consolidate intel directories.

we now have

src/gallium/winsys/drm/intel/{common,dri,egl}

47 files changed, 8671 insertions, 0 deletions

diff --git a/src/gallium/winsys/drm/Makefile b/src/gallium/winsys/drm/Makefile
new file mode 100644
index 00000000000..f466ce6c3cc
--- /dev/null
+++ b/src/gallium/winsys/drm/Makefile
@@ -0,0 +1,38 @@
+# src/mesa/drivers/dri/Makefile
+
+TOP = ../../../..
+
+include $(TOP)/configs/current
+
+
+
+default: $(TOP)/$(LIB_DIR) subdirs
+
+
+$(TOP)/$(LIB_DIR):
+	-mkdir $(TOP)/$(LIB_DIR)
+
+
+subdirs:
+	@for dir in $(DRI_DIRS) ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE)) || exit 1 ; \
+		fi \
+	done
+
+
+install:
+	@for dir in $(DRI_DIRS) ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE) install) || exit 1 ; \
+		fi \
+	done
+
+
+clean:
+	@for dir in $(DRI_DIRS) ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE) clean) ; \
+		fi \
+	done
+	-rm -f common/*.o
diff --git a/src/gallium/winsys/drm/Makefile.template b/src/gallium/winsys/drm/Makefile.template
new file mode 100644
index 00000000000..80e817b8082
--- /dev/null
+++ b/src/gallium/winsys/drm/Makefile.template
@@ -0,0 +1,125 @@
+# -*-makefile-*-
+
+MESA_MODULES = \
+	$(TOP)/src/mesa/libmesa.a \
+	$(GALLIUM_AUXILIARIES)
+	
+COMMON_GALLIUM_SOURCES = \
+        $(TOP)/src/mesa/drivers/dri/common/utils.c \
+        $(TOP)/src/mesa/drivers/dri/common/vblank.c \
+        $(TOP)/src/mesa/drivers/dri/common/dri_util.c \
+        $(TOP)/src/mesa/drivers/dri/common/xmlconfig.c
+
+COMMON_SOURCES = $(COMMON_GALLIUM_SOURCES) \
+        $(TOP)/src/mesa/drivers/common/driverfuncs.c \
+        $(TOP)/src/mesa/drivers/dri/common/texmem.c \
+        $(TOP)/src/mesa/drivers/dri/common/drirenderbuffer.c
+
+COMMON_BM_SOURCES = \
+	$(TOP)/src/mesa/drivers/dri/common/dri_bufmgr.c \
+	$(TOP)/src/mesa/drivers/dri/common/dri_drmpool.c
+
+
+ifeq ($(WINDOW_SYSTEM),dri)
+WINOBJ=
+WINLIB=
+INCLUDES = $(SHARED_INCLUDES) $(EXPAT_INCLUDES)
+
+OBJECTS = \
+	$(C_SOURCES:.c=.o) \
+	$(ASM_SOURCES:.S=.o) 
+
+else
+# miniglx
+WINOBJ=
+WINLIB=-L$(MESA)/src/glx/mini
+MINIGLX_INCLUDES = -I$(TOP)/src/glx/mini
+INCLUDES = $(MINIGLX_INCLUDES) \
+	   $(SHARED_INCLUDES) \
+	   $(PCIACCESS_CFLAGS)
+
+OBJECTS = $(C_SOURCES:.c=.o) \
+	  $(MINIGLX_SOURCES:.c=.o) \
+	  $(ASM_SOURCES:.S=.o) 
+endif
+
+
+### Include directories
+SHARED_INCLUDES = \
+	-I. \
+	-I$(TOP)/src/mesa/drivers/dri/common \
+	-Iserver \
+	-I$(TOP)/include \
+	-I$(TOP)/include/GL/internal \
+	-I$(TOP)/src/gallium/include \
+	-I$(TOP)/src/gallium/auxiliary \
+	-I$(TOP)/src/gallium/drivers \
+	-I$(TOP)/src/gallium/winsys/common \
+	-I$(TOP)/src/mesa \
+	-I$(TOP)/src/mesa/main \
+	-I$(TOP)/src/mesa/glapi \
+	-I$(TOP)/src/mesa/math \
+	-I$(TOP)/src/mesa/transform \
+	-I$(TOP)/src/mesa/shader \
+	-I$(TOP)/src/mesa/swrast \
+	-I$(TOP)/src/mesa/swrast_setup \
+	-I$(TOP)/src/egl/main \
+	-I$(TOP)/src/egl/drivers/dri \
+	$(LIBDRM_CFLAGS)
+
+
+##### RULES #####
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DRIVER_DEFINES) $< -o $@
+
+.S.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DRIVER_DEFINES)  $< -o $@
+
+
+##### TARGETS #####
+
+default: depend symlinks $(LIBNAME) $(TOP)/$(LIB_DIR)/$(LIBNAME) $(LIBNAME_EGL) $(TOP)/$(LIB_DIR)/$(LIBNAME_EGL)
+
+
+$(LIBNAME): $(OBJECTS) $(MESA_MODULES) $(PIPE_DRIVERS) $(WINOBJ) Makefile $(TOP)/src/mesa/drivers/dri/Makefile.template
+	$(TOP)/bin/mklib -noprefix -o $@ \
+		$(OBJECTS) $(PIPE_DRIVERS) $(MESA_MODULES)  $(WINOBJ) $(DRI_LIB_DEPS)
+
+$(LIBNAME_EGL): $(WINSYS_OBJECTS) $(LIBS)
+	$(TOP)/bin/mklib -o $(LIBNAME_EGL) \
+		-linker "$(CC)" \
+		-noprefix \
+		$(OBJECTS) $(MKLIB_OPTIONS) $(WINSYS_OBJECTS) $(PIPE_DRIVERS) $(WINOBJ) $(DRI_LIB_DEPS) \
+		--whole-archive $(LIBS) $(GALLIUM_AUXILIARIES) --no-whole-archive
+
+$(TOP)/$(LIB_DIR)/$(LIBNAME): $(LIBNAME)
+	$(INSTALL) $(LIBNAME) $(TOP)/$(LIB_DIR) 
+
+$(TOP)/$(LIB_DIR)/$(LIBNAME_EGL): $(LIBNAME_EGL)
+	$(INSTALL) $(LIBNAME_EGL) $(TOP)/$(LIB_DIR) 
+
+depend: $(C_SOURCES) $(ASM_SOURCES) $(SYMLINKS)
+	rm -f depend
+	touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(DRIVER_DEFINES) $(INCLUDES) $(C_SOURCES) \
+		$(ASM_SOURCES) 2> /dev/null
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` `find ../include`
+
+
+# Remove .o and backup files
+clean:
+	-rm -f *.o */*.o *~ *.so *~ server/*.o $(SYMLINKS)
+	-rm -f depend depend.bak
+
+
+install: $(LIBNAME)
+	$(INSTALL) -d $(DRI_DRIVER_INSTALL_DIR)
+	$(INSTALL) -m 755 $(LIBNAME) $(DRI_DRIVER_INSTALL_DIR)
+
+
+include depend
diff --git a/src/gallium/winsys/drm/SConscript b/src/gallium/winsys/drm/SConscript
new file mode 100644
index 00000000000..aef5210a32d
--- /dev/null
+++ b/src/gallium/winsys/drm/SConscript
@@ -0,0 +1,54 @@
+Import('*')
+
+if env['dri']:
+
+	drienv = env.Clone()
+
+	drienv.Replace(CPPPATH = [
+		'#src/mesa/drivers/dri/common',
+		'#include',
+		'#include/GL/internal',
+		'#src/gallium/include',
+		'#src/gallium/auxiliary',
+		'#src/gallium/drivers',
+		'#src/mesa',
+		'#src/mesa/main',
+		'#src/mesa/glapi',
+		'#src/mesa/math',
+		'#src/mesa/transform',
+		'#src/mesa/shader',
+		'#src/mesa/swrast',
+		'#src/mesa/swrast_setup',
+		'#src/egl/main',
+		'#src/egl/drivers/dri',
+	])
+
+	drienv.ParseConfig('pkg-config --cflags --libs libdrm')
+
+	COMMON_GALLIUM_SOURCES = [
+		'#src/mesa/drivers/dri/common/utils.c',
+		'#src/mesa/drivers/dri/common/vblank.c',
+		'#src/mesa/drivers/dri/common/dri_util.c',
+		'#src/mesa/drivers/dri/common/xmlconfig.c',
+	]
+
+	COMMON_BM_SOURCES = [
+		'#src/mesa/drivers/dri/common/dri_bufmgr.c',
+		'#src/mesa/drivers/dri/common/dri_drmpool.c',
+	]
+
+	Export([
+		'drienv',
+		'COMMON_GALLIUM_SOURCES',
+		'COMMON_BM_SOURCES',
+	])
+
+	# TODO: Installation
+	#install: $(LIBNAME)
+	#	$(INSTALL) -d $(DRI_DRIVER_INSTALL_DIR)
+	#	$(INSTALL) -m 755 $(LIBNAME) $(DRI_DRIVER_INSTALL_DIR)
+
+	if 'intel' in env['winsys']:
+		SConscript([
+			'intel/SConscript',
+		])
diff --git a/src/gallium/winsys/drm/intel/Makefile b/src/gallium/winsys/drm/intel/Makefile
new file mode 100644
index 00000000000..a670ac044d0
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/Makefile
@@ -0,0 +1,25 @@
+TOP = ../../../../..
+include $(TOP)/configs/current
+
+
+SUBDIRS = common dri egl
+
+
+default: subdirs
+
+
+subdirs:
+	@for dir in $(SUBDIRS) ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE)) || exit 1 ; \
+		fi \
+	done
+
+
+clean:
+	rm -f `find . -name \*.[oa]`
+	rm -f `find . -name depend`
+
+
+# Dummy install target
+install:
diff --git a/src/gallium/winsys/drm/intel/common/Makefile b/src/gallium/winsys/drm/intel/common/Makefile
new file mode 100644
index 00000000000..bf1a7d691f0
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/Makefile
@@ -0,0 +1,23 @@
+TOP = ../../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = inteldrm
+
+C_SOURCES = \
+	intel_be_batchbuffer.c \
+	intel_be_context.c \
+	intel_be_device.c \
+	ws_dri_bufmgr.c \
+	ws_dri_drmpool.c \
+	ws_dri_fencemgr.c \
+	ws_dri_mallocpool.c \
+	ws_dri_slabpool.c
+
+
+include ./Makefile.template
+
+DRIVER_DEFINES = $(shell pkg-config libdrm --cflags \
+                && pkg-config libdrm --atleast-version=2.3.1 \
+                && echo "-DDRM_VBLANK_FLIP=DRM_VBLANK_FLIP")
+symlinks:
+
diff --git a/src/gallium/winsys/drm/intel/common/Makefile.template b/src/gallium/winsys/drm/intel/common/Makefile.template
new file mode 100644
index 00000000000..02ed363a435
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/Makefile.template
@@ -0,0 +1,64 @@
+# -*-makefile-*-
+
+
+# We still have a dependency on the "dri" buffer manager.  Most likely
+# the interface can be reused in non-dri environments, and also as a
+# frontend to simpler memory managers.
+#
+COMMON_SOURCES = 
+
+OBJECTS = $(C_SOURCES:.c=.o) \
+          $(CPP_SOURCES:.cpp=.o) \
+	  $(ASM_SOURCES:.S=.o) 
+
+
+### Include directories
+INCLUDES = \
+	-I. \
+	-I$(TOP)/src/gallium/include \
+	-I$(TOP)/src/gallium/auxiliary \
+	-I$(TOP)/src/gallium/drivers \
+	-I$(TOP)/include \
+        $(DRIVER_INCLUDES)
+
+
+##### RULES #####
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DRIVER_DEFINES) $< -o $@
+
+.cpp.o:
+	$(CXX) -c $(INCLUDES) $(CXXFLAGS) $(DRIVER_DEFINES) $< -o $@
+
+.S.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DRIVER_DEFINES)  $< -o $@
+
+
+##### TARGETS #####
+
+default: depend symlinks $(LIBNAME)
+
+
+$(LIBNAME): $(OBJECTS) Makefile Makefile.template
+	$(TOP)/bin/mklib -o $@ -static $(OBJECTS) $(DRIVER_LIBS)
+
+
+depend: $(C_SOURCES) $(CPP_SOURCES) $(ASM_SOURCES) $(SYMLINKS)
+	rm -f depend
+	touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(DRIVER_DEFINES) $(INCLUDES) $(C_SOURCES) $(CPP_SOURCES) \
+		$(ASM_SOURCES) 2> /dev/null
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` `find ../include`
+
+
+# Remove .o and backup files
+clean::
+	-rm -f *.o */*.o *~ *.so *~ server/*.o $(SYMLINKS)
+	-rm -f depend depend.bak
+
+
+include depend
diff --git a/src/gallium/winsys/drm/intel/common/glthread.h b/src/gallium/winsys/drm/intel/common/glthread.h
new file mode 100644
index 00000000000..b8e9d5f59b8
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/glthread.h
@@ -0,0 +1,359 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5.2
+ *
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * Thread support for gl dispatch.
+ *
+ * Initial version by John Stone ([email protected]) ([email protected])
+ *                and Christoph Poliwoda ([email protected])
+ * Revised by Keith Whitwell
+ * Adapted for new gl dispatcher by Brian Paul
+ *
+ *
+ *
+ * DOCUMENTATION
+ *
+ * This thread module exports the following types:
+ *   _glthread_TSD     Thread-specific data area
+ *   _glthread_Thread  Thread datatype
+ *   _glthread_Mutex   Mutual exclusion lock
+ *
+ * Macros:
+ *   _glthread_DECLARE_STATIC_MUTEX(name)   Declare a non-local mutex
+ *   _glthread_INIT_MUTEX(name)             Initialize a mutex
+ *   _glthread_LOCK_MUTEX(name)             Lock a mutex
+ *   _glthread_UNLOCK_MUTEX(name)           Unlock a mutex
+ *
+ * Functions:
+ *   _glthread_GetID(v)      Get integer thread ID
+ *   _glthread_InitTSD()     Initialize thread-specific data
+ *   _glthread_GetTSD()      Get thread-specific data
+ *   _glthread_SetTSD()      Set thread-specific data
+ *
+ */
+
+/*
+ * If this file is accidentally included by a non-threaded build,
+ * it should not cause the build to fail, or otherwise cause problems.
+ * In general, it should only be included when needed however.
+ */
+
+#ifndef GLTHREAD_H
+#define GLTHREAD_H
+
+
+#if defined(USE_MGL_NAMESPACE)
+#define _glapi_Dispatch _mglapi_Dispatch
+#endif
+
+
+
+#if (defined(PTHREADS) || defined(SOLARIS_THREADS) ||\
+     defined(WIN32_THREADS) || defined(USE_XTHREADS) || defined(BEOS_THREADS)) \
+    && !defined(THREADS)
+# define THREADS
+#endif
+
+#ifdef VMS
+#include <GL/vms_x_fix.h>
+#endif
+
+/*
+ * POSIX threads. This should be your choice in the Unix world
+ * whenever possible.  When building with POSIX threads, be sure
+ * to enable any compiler flags which will cause the MT-safe
+ * libc (if one exists) to be used when linking, as well as any
+ * header macros for MT-safe errno, etc.  For Solaris, this is the -mt
+ * compiler flag.  On Solaris with gcc, use -D_REENTRANT to enable
+ * proper compiling for MT-safe libc etc.
+ */
+#if defined(PTHREADS)
+#include <pthread.h> /* POSIX threads headers */
+
+typedef struct {
+   pthread_key_t  key;
+   int initMagic;
+} _glthread_TSD;
+
+typedef pthread_t _glthread_Thread;
+
+typedef pthread_mutex_t _glthread_Mutex;
+
+#define _glthread_DECLARE_STATIC_MUTEX(name) \
+   static _glthread_Mutex name = PTHREAD_MUTEX_INITIALIZER
+
+#define _glthread_INIT_MUTEX(name) \
+   pthread_mutex_init(&(name), NULL)
+
+#define _glthread_DESTROY_MUTEX(name) \
+   pthread_mutex_destroy(&(name))
+
+#define _glthread_LOCK_MUTEX(name) \
+   (void) pthread_mutex_lock(&(name))
+
+#define _glthread_UNLOCK_MUTEX(name) \
+   (void) pthread_mutex_unlock(&(name))
+
+typedef pthread_cond_t _glthread_Cond;
+
+#define _glthread_DECLARE_STATIC_COND(name) \
+   static _glthread_Cond name = PTHREAD_COND_INITIALIZER
+
+#define _glthread_INIT_COND(cond)			\
+   pthread_cond_init(&(cond), NULL)
+
+#define _glthread_DESTROY_COND(name) \
+   pthread_cond_destroy(&(name))
+
+#define _glthread_COND_WAIT(cond, mutex) \
+  pthread_cond_wait(&(cond), &(mutex))
+
+#define _glthread_COND_SIGNAL(cond) \
+  pthread_cond_signal(&(cond))
+
+#define _glthread_COND_BROADCAST(cond) \
+  pthread_cond_broadcast(&(cond))
+
+
+#else /* PTHREADS */
+
+typedef unsigned int _glthread_Cond;
+#define _glthread_DECLARE_STATIC_COND(name) \
+//  #warning Condition variables not implemented.
+
+#define _glthread_INIT_COND(cond)	    \
+  abort();
+
+#define _glthread_DESTROY_COND(name) \
+  abort();
+
+#define _glthread_COND_WAIT(cond, mutex) \
+  abort();
+
+#define _glthread_COND_SIGNAL(cond) \
+  abort();
+
+#define _glthread_COND_BROADCAST(cond) \
+  abort();
+
+#endif
+
+
+/*
+ * Solaris threads. Use only up to Solaris 2.4.
+ * Solaris 2.5 and higher provide POSIX threads.
+ * Be sure to compile with -mt on the Solaris compilers, or
+ * use -D_REENTRANT if using gcc.
+ */
+#ifdef SOLARIS_THREADS
+#include <thread.h>
+
+typedef struct {
+   thread_key_t key;
+   mutex_t      keylock;
+   int          initMagic;
+} _glthread_TSD;
+
+typedef thread_t _glthread_Thread;
+
+typedef mutex_t _glthread_Mutex;
+
+/* XXX need to really implement mutex-related macros */
+#define _glthread_DECLARE_STATIC_MUTEX(name)  static _glthread_Mutex name = 0
+#define _glthread_INIT_MUTEX(name)  (void) name
+#define _glthread_DESTROY_MUTEX(name) (void) name
+#define _glthread_LOCK_MUTEX(name)  (void) name
+#define _glthread_UNLOCK_MUTEX(name)  (void) name
+
+#endif /* SOLARIS_THREADS */
+
+
+
+
+/*
+ * Windows threads. Should work with Windows NT and 95.
+ * IMPORTANT: Link with multithreaded runtime library when THREADS are
+ * used!
+ */
+#ifdef WIN32_THREADS
+#include <windows.h>
+
+typedef struct {
+   DWORD key;
+   int   initMagic;
+} _glthread_TSD;
+
+typedef HANDLE _glthread_Thread;
+
+typedef CRITICAL_SECTION _glthread_Mutex;
+
+#define _glthread_DECLARE_STATIC_MUTEX(name)  /*static*/ _glthread_Mutex name = {0,0,0,0,0,0}
+#define _glthread_INIT_MUTEX(name)  InitializeCriticalSection(&name)
+#define _glthread_DESTROY_MUTEX(name)  DeleteCriticalSection(&name)
+#define _glthread_LOCK_MUTEX(name)  EnterCriticalSection(&name)
+#define _glthread_UNLOCK_MUTEX(name)  LeaveCriticalSection(&name)
+
+#endif /* WIN32_THREADS */
+
+
+
+
+/*
+ * XFree86 has its own thread wrapper, Xthreads.h
+ * We wrap it again for GL.
+ */
+#ifdef USE_XTHREADS
+#include <X11/Xthreads.h>
+
+typedef struct {
+   xthread_key_t key;
+   int initMagic;
+} _glthread_TSD;
+
+typedef xthread_t _glthread_Thread;
+
+typedef xmutex_rec _glthread_Mutex;
+
+#ifdef XMUTEX_INITIALIZER
+#define _glthread_DECLARE_STATIC_MUTEX(name) \
+   static _glthread_Mutex name = XMUTEX_INITIALIZER
+#else
+#define _glthread_DECLARE_STATIC_MUTEX(name) \
+   static _glthread_Mutex name
+#endif
+
+#define _glthread_INIT_MUTEX(name) \
+   xmutex_init(&(name))
+
+#define _glthread_DESTROY_MUTEX(name) \
+   xmutex_clear(&(name))
+
+#define _glthread_LOCK_MUTEX(name) \
+   (void) xmutex_lock(&(name))
+
+#define _glthread_UNLOCK_MUTEX(name) \
+   (void) xmutex_unlock(&(name))
+
+#endif /* USE_XTHREADS */
+
+
+
+/*
+ * BeOS threads. R5.x required.
+ */
+#ifdef BEOS_THREADS
+
+#include <kernel/OS.h>
+#include <support/TLS.h>
+
+typedef struct {
+   int32        key;
+   int          initMagic;
+} _glthread_TSD;
+
+typedef thread_id _glthread_Thread;
+
+/* Use Benaphore, aka speeder semaphore */
+typedef struct {
+    int32   lock;
+    sem_id  sem;
+} benaphore;
+typedef benaphore _glthread_Mutex;
+
+#define _glthread_DECLARE_STATIC_MUTEX(name)  static _glthread_Mutex name = { 0, 0 }
+#define _glthread_INIT_MUTEX(name)    	name.sem = create_sem(0, #name"_benaphore"), name.lock = 0
+#define _glthread_DESTROY_MUTEX(name) 	delete_sem(name.sem), name.lock = 0
+#define _glthread_LOCK_MUTEX(name)    	if (name.sem == 0) _glthread_INIT_MUTEX(name); \
+									  	if (atomic_add(&(name.lock), 1) >= 1) acquire_sem(name.sem)
+#define _glthread_UNLOCK_MUTEX(name)  	if (atomic_add(&(name.lock), -1) > 1) release_sem(name.sem)
+
+#endif /* BEOS_THREADS */
+
+
+
+#ifndef THREADS
+
+/*
+ * THREADS not defined
+ */
+
+typedef GLuint _glthread_TSD;
+
+typedef GLuint _glthread_Thread;
+
+typedef GLuint _glthread_Mutex;
+
+#define _glthread_DECLARE_STATIC_MUTEX(name)  static _glthread_Mutex name = 0
+
+#define _glthread_INIT_MUTEX(name)  (void) name
+
+#define _glthread_DESTROY_MUTEX(name)  (void) name
+
+#define _glthread_LOCK_MUTEX(name)  (void) name
+
+#define _glthread_UNLOCK_MUTEX(name)  (void) name
+
+#endif /* THREADS */
+
+
+
+/*
+ * Platform independent thread specific data API.
+ */
+
+extern unsigned long
+_glthread_GetID(void);
+
+
+extern void
+_glthread_InitTSD(_glthread_TSD *);
+
+
+extern void *
+_glthread_GetTSD(_glthread_TSD *);
+
+
+extern void
+_glthread_SetTSD(_glthread_TSD *, void *);
+
+#if defined(GLX_USE_TLS)
+
+extern __thread struct _glapi_table * _glapi_tls_Dispatch
+    __attribute__((tls_model("initial-exec")));
+
+#define GET_DISPATCH() _glapi_tls_Dispatch
+
+#elif !defined(GL_CALL)
+# if defined(THREADS)
+#  define GET_DISPATCH() \
+   ((__builtin_expect( _glapi_Dispatch != NULL, 1 )) \
+       ? _glapi_Dispatch : _glapi_get_dispatch())
+# else
+#  define GET_DISPATCH() _glapi_Dispatch
+# endif /* defined(THREADS) */
+#endif  /* ndef GL_CALL */
+
+
+#endif /* THREADS_H */
diff --git a/src/gallium/winsys/drm/intel/common/intel_be_batchbuffer.c b/src/gallium/winsys/drm/intel/common/intel_be_batchbuffer.c
new file mode 100644
index 00000000000..bc13a5761ef
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/intel_be_batchbuffer.c
@@ -0,0 +1,429 @@
+
+#include "intel_be_batchbuffer.h"
+#include "intel_be_context.h"
+#include "intel_be_device.h"
+#include <errno.h>
+
+#include "xf86drm.h"
+
+static void
+intel_realloc_relocs(struct intel_be_batchbuffer *batch, int num_relocs)
+{
+    unsigned long size = num_relocs * I915_RELOC0_STRIDE + I915_RELOC_HEADER;
+
+    size *= sizeof(uint32_t);
+    batch->reloc = realloc(batch->reloc, size);
+    batch->reloc_size = num_relocs;
+}
+
+
+void
+intel_be_batchbuffer_reset(struct intel_be_batchbuffer *batch)
+{
+   /*
+    * Get a new, free batchbuffer.
+    */
+    drmBO *bo;
+    struct drm_bo_info_req *req;
+
+   driBOUnrefUserList(batch->list);
+   driBOResetList(batch->list);
+
+   /* base.size is the size available to the i915simple driver */
+   batch->base.size = batch->device->max_batch_size - BATCH_RESERVED;
+   batch->base.actual_size = batch->device->max_batch_size;
+   driBOData(batch->buffer, batch->base.actual_size, NULL, NULL, 0);
+
+   /*
+    * Add the batchbuffer to the validate list.
+    */
+
+   driBOAddListItem(batch->list, batch->buffer,
+		    DRM_BO_FLAG_EXE | DRM_BO_FLAG_MEM_TT,
+		    DRM_BO_FLAG_EXE | DRM_BO_MASK_MEM,
+		    &batch->dest_location, &batch->node);
+
+   req = &batch->node->bo_arg.d.req.bo_req;
+
+   /*
+    * Set up information needed for us to make relocations
+    * relative to the underlying drm buffer objects.
+    */
+
+   driReadLockKernelBO();
+   bo = driBOKernel(batch->buffer);
+   req->presumed_offset = (uint64_t) bo->offset;
+   req->hint = DRM_BO_HINT_PRESUMED_OFFSET;
+   batch->drmBOVirtual = (uint8_t *) bo->virtual;
+   driReadUnlockKernelBO();
+
+   /*
+    * Adjust the relocation buffer size.
+    */
+
+   if (batch->reloc_size > INTEL_MAX_RELOCS ||
+       batch->reloc == NULL)
+     intel_realloc_relocs(batch, INTEL_DEFAULT_RELOCS);
+
+   assert(batch->reloc != NULL);
+   batch->reloc[0] = 0; /* No relocs yet. */
+   batch->reloc[1] = 1; /* Reloc type 1 */
+   batch->reloc[2] = 0; /* Only a single relocation list. */
+   batch->reloc[3] = 0; /* Only a single relocation list. */
+
+   batch->base.map = driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, 0);
+   batch->poolOffset = driBOPoolOffset(batch->buffer);
+   batch->base.ptr = batch->base.map;
+   batch->dirty_state = ~0;
+   batch->nr_relocs = 0;
+   batch->flags = 0;
+   batch->id = 0;//batch->intel->intelScreen->batch_id++;
+}
+
+/*======================================================================
+ * Public functions
+ */
+struct intel_be_batchbuffer *
+intel_be_batchbuffer_alloc(struct intel_be_context *intel)
+{
+   struct intel_be_batchbuffer *batch = calloc(sizeof(*batch), 1);
+
+   batch->intel = intel;
+   batch->device = intel->device;
+
+   driGenBuffers(intel->device->batchPool, "batchbuffer", 1,
+                 &batch->buffer, 4096,
+                 DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE, 0);
+   batch->last_fence = NULL;
+   batch->list = driBOCreateList(20);
+   batch->reloc = NULL;
+   intel_be_batchbuffer_reset(batch);
+   return batch;
+}
+
+void
+intel_be_batchbuffer_free(struct intel_be_batchbuffer *batch)
+{
+   if (batch->last_fence) {
+      driFenceFinish(batch->last_fence,
+		     DRM_FENCE_TYPE_EXE, FALSE);
+      driFenceUnReference(&batch->last_fence);
+   }
+   if (batch->base.map) {
+      driBOUnmap(batch->buffer);
+      batch->base.map = NULL;
+   }
+   driBOUnReference(batch->buffer);
+   driBOFreeList(batch->list);
+   if (batch->reloc)
+       free(batch->reloc);
+   batch->buffer = NULL;
+   free(batch);
+}
+
+void
+intel_be_offset_relocation(struct intel_be_batchbuffer *batch,
+			unsigned pre_add,
+			struct _DriBufferObject *driBO,
+			uint64_t val_flags,
+			uint64_t val_mask)
+{
+    int itemLoc;
+    struct _drmBONode *node;
+    uint32_t *reloc;
+    struct drm_bo_info_req *req;
+
+    driBOAddListItem(batch->list, driBO, val_flags, val_mask,
+		     &itemLoc, &node);
+    req = &node->bo_arg.d.req.bo_req;
+
+    if (!(req->hint &  DRM_BO_HINT_PRESUMED_OFFSET)) {
+
+	/*
+	 * Stop other threads from tampering with the underlying
+	 * drmBO while we're reading its offset.
+	 */
+
+	driReadLockKernelBO();
+	req->presumed_offset = (uint64_t) driBOKernel(driBO)->offset;
+	driReadUnlockKernelBO();
+	req->hint = DRM_BO_HINT_PRESUMED_OFFSET;
+    }
+
+    pre_add += driBOPoolOffset(driBO);
+
+    if (batch->nr_relocs == batch->reloc_size)
+	intel_realloc_relocs(batch, batch->reloc_size * 2);
+
+    reloc = batch->reloc +
+	(I915_RELOC_HEADER + batch->nr_relocs * I915_RELOC0_STRIDE);
+
+    reloc[0] = ((uint8_t *)batch->base.ptr - batch->drmBOVirtual);
+    i915_batchbuffer_dword(&batch->base, req->presumed_offset + pre_add);
+    reloc[1] = pre_add;
+    reloc[2] = itemLoc;
+    reloc[3] = batch->dest_location;
+    batch->nr_relocs++;
+}
+
+static void
+i915_drm_copy_reply(const struct drm_bo_info_rep * rep, drmBO * buf)
+{
+    buf->handle = rep->handle;
+    buf->flags = rep->flags;
+    buf->size = rep->size;
+    buf->offset = rep->offset;
+    buf->mapHandle = rep->arg_handle;
+    buf->proposedFlags = rep->proposed_flags;
+    buf->start = rep->buffer_start;
+    buf->fenceFlags = rep->fence_flags;
+    buf->replyFlags = rep->rep_flags;
+    buf->pageAlignment = rep->page_alignment;
+}
+
+static int
+i915_execbuf(struct intel_be_batchbuffer *batch,
+	     unsigned int used,
+	     boolean ignore_cliprects,
+	     drmBOList *list,
+	     struct drm_i915_execbuffer *ea)
+{
+// struct intel_be_context *intel = batch->intel;
+   drmBONode *node;
+   drmMMListHead *l;
+   struct drm_i915_op_arg *arg, *first;
+   struct drm_bo_op_req *req;
+   struct drm_bo_info_rep *rep;
+   uint64_t *prevNext = NULL;
+   drmBO *buf;
+   int ret = 0;
+   uint32_t count = 0;
+
+   first = NULL;
+   for (l = list->list.next; l != &list->list; l = l->next) {
+      node = DRMLISTENTRY(drmBONode, l, head);
+
+      arg = &node->bo_arg;
+      req = &arg->d.req;
+
+      if (!first)
+	 first = arg;
+
+      if (prevNext)
+	 *prevNext = (unsigned long)arg;
+
+      prevNext = &arg->next;
+      req->bo_req.handle = node->buf->handle;
+      req->op = drm_bo_validate;
+      req->bo_req.flags = node->arg0;
+      req->bo_req.mask = node->arg1;
+      req->bo_req.hint |= 0;
+      count++;
+   }
+
+   memset(ea, 0, sizeof(*ea));
+   ea->num_buffers = count;
+   ea->batch.start = batch->poolOffset;
+   ea->batch.used = used;
+#if 0 /* ZZZ JB: no cliprects used */
+   ea->batch.cliprects = intel->pClipRects;
+   ea->batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
+   ea->batch.DR1 = 0;
+   ea->batch.DR4 = 0;((((GLuint) intel->drawX) & 0xffff) |
+		   (((GLuint) intel->drawY) << 16));
+#else
+   ea->batch.cliprects = NULL;
+   ea->batch.num_cliprects = 0;
+   ea->batch.DR1 = 0;
+   ea->batch.DR4 = 0;
+#endif
+   ea->fence_arg.flags = DRM_I915_FENCE_FLAG_FLUSHED;
+   ea->ops_list = (unsigned long) first;
+   first->reloc_ptr = (unsigned long) batch->reloc;
+   batch->reloc[0] = batch->nr_relocs;
+
+   //return -EFAULT;
+   do {
+      ret = drmCommandWriteRead(batch->device->fd, DRM_I915_EXECBUFFER, ea,
+				sizeof(*ea));
+   } while (ret == -EAGAIN);
+
+   if (ret != 0)
+      return ret;
+
+   for (l = list->list.next; l != &list->list; l = l->next) {
+      node = DRMLISTENTRY(drmBONode, l, head);
+      arg = &node->bo_arg;
+      rep = &arg->d.rep.bo_info;
+
+      if (!arg->handled) {
+	 return -EFAULT;
+      }
+      if (arg->d.rep.ret)
+	 return arg->d.rep.ret;
+
+      buf = node->buf;
+      i915_drm_copy_reply(rep, buf);
+   }
+   return 0;
+}
+
+/* TODO: Push this whole function into bufmgr.
+ */
+static struct _DriFenceObject *
+do_flush_locked(struct intel_be_batchbuffer *batch,
+                unsigned int used,
+                boolean ignore_cliprects, boolean allow_unlock)
+{
+   struct intel_be_context *intel = batch->intel;
+   struct _DriFenceObject *fo;
+   drmFence fence;
+   drmBOList *boList;
+   struct drm_i915_execbuffer ea;
+   int ret = 0;
+
+   driBOValidateUserList(batch->list);
+   boList = driGetdrmBOList(batch->list);
+
+#if 0 /* ZZZ JB Allways run */
+   if (!(intel->numClipRects == 0 && !ignore_cliprects)) {
+#else
+   if (1) {
+#endif
+      ret = i915_execbuf(batch, used, ignore_cliprects, boList, &ea);
+   } else {
+     driPutdrmBOList(batch->list);
+     fo = NULL;
+     goto out;
+   }
+   driPutdrmBOList(batch->list);
+   if (ret)
+      abort();
+
+   if (ea.fence_arg.error != 0) {
+
+     /*
+      * The hardware has been idled by the kernel.
+      * Don't fence the driBOs.
+      */
+
+       if (batch->last_fence)
+	   driFenceUnReference(&batch->last_fence);
+#if 0 /* ZZZ JB: no _mesa_* funcs in gallium */
+       _mesa_printf("fence error\n");
+#endif
+       batch->last_fence = NULL;
+       fo = NULL;
+       goto out;
+   }
+
+   fence.handle = ea.fence_arg.handle;
+   fence.fence_class = ea.fence_arg.fence_class;
+   fence.type = ea.fence_arg.type;
+   fence.flags = ea.fence_arg.flags;
+   fence.signaled = ea.fence_arg.signaled;
+
+   fo = driBOFenceUserList(batch->device->fenceMgr, batch->list,
+			   "SuperFence", &fence);
+
+   if (driFenceType(fo) & DRM_I915_FENCE_TYPE_RW) {
+       if (batch->last_fence)
+	   driFenceUnReference(&batch->last_fence);
+   /*
+	* FIXME: Context last fence??
+	*/
+       batch->last_fence = fo;
+       driFenceReference(fo);
+   }
+ out:
+#if 0 /* ZZZ JB: fix this */
+   intel->vtbl.lost_hardware(intel);
+#else
+   (void)intel;
+#endif
+   return fo;
+}
+
+
+struct _DriFenceObject *
+intel_be_batchbuffer_flush(struct intel_be_batchbuffer *batch)
+{
+   struct intel_be_context *intel = batch->intel;
+   unsigned int used = batch->base.ptr - batch->base.map;
+   boolean was_locked = batch->intel->hardware_locked(intel);
+   struct _DriFenceObject *fence;
+
+   if (used == 0) {
+      driFenceReference(batch->last_fence);
+      return batch->last_fence;
+   }
+
+   /* Add the MI_BATCH_BUFFER_END.  Always add an MI_FLUSH - this is a
+    * performance drain that we would like to avoid.
+    */
+#if 0 /* ZZZ JB: what should we do here? */
+   if (used & 4) {
+      ((int *) batch->base.ptr)[0] = intel->vtbl.flush_cmd();
+      ((int *) batch->base.ptr)[1] = 0;
+      ((int *) batch->base.ptr)[2] = MI_BATCH_BUFFER_END;
+      used += 12;
+   }
+   else {
+      ((int *) batch->base.ptr)[0] = intel->vtbl.flush_cmd();
+      ((int *) batch->base.ptr)[1] = MI_BATCH_BUFFER_END;
+      used += 8;
+   }
+#else
+   if (used & 4) {
+      ((int *) batch->base.ptr)[0] = ((0<<29)|(4<<23)); // MI_FLUSH;
+      ((int *) batch->base.ptr)[1] = 0;
+      ((int *) batch->base.ptr)[2] = (0xA<<23); // MI_BATCH_BUFFER_END;
+      used += 12;
+   }
+   else {
+      ((int *) batch->base.ptr)[0] = ((0<<29)|(4<<23)); // MI_FLUSH;
+      ((int *) batch->base.ptr)[1] = (0xA<<23); // MI_BATCH_BUFFER_END;
+      used += 8;
+   }
+#endif
+   driBOUnmap(batch->buffer);
+   batch->base.ptr = NULL;
+   batch->base.map = NULL;
+
+   /* TODO: Just pass the relocation list and dma buffer up to the
+    * kernel.
+    */
+   if (!was_locked)
+      intel->hardware_lock(intel);
+
+   fence = do_flush_locked(batch, used, !(batch->flags & INTEL_BATCH_CLIPRECTS),
+			   FALSE);
+
+   if (!was_locked)
+      intel->hardware_unlock(intel);
+
+   /* Reset the buffer:
+    */
+   intel_be_batchbuffer_reset(batch);
+   return fence;
+}
+
+void
+intel_be_batchbuffer_finish(struct intel_be_batchbuffer *batch)
+{
+   struct _DriFenceObject *fence = intel_be_batchbuffer_flush(batch);
+   driFenceFinish(fence, driFenceType(fence), FALSE);
+   driFenceUnReference(&fence);
+}
+
+#if 0
+void
+intel_be_batchbuffer_data(struct intel_be_batchbuffer *batch,
+                       const void *data, unsigned int bytes, unsigned int flags)
+{
+   assert((bytes & 3) == 0);
+   intel_batchbuffer_require_space(batch, bytes, flags);
+   memcpy(batch->base.ptr, data, bytes);
+   batch->base.ptr += bytes;
+}
+#endif
diff --git a/src/gallium/winsys/drm/intel/common/intel_be_batchbuffer.h b/src/gallium/winsys/drm/intel/common/intel_be_batchbuffer.h
new file mode 100644
index 00000000000..f150e3a6745
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/intel_be_batchbuffer.h
@@ -0,0 +1,69 @@
+
+#ifndef INTEL_BE_BATCHBUFFER_H
+#define INTEL_BE_BATCHBUFFER_H
+
+#include "i915simple/i915_batch.h"
+
+#include "ws_dri_bufmgr.h"
+
+#define BATCH_RESERVED 16
+
+#define INTEL_DEFAULT_RELOCS 100
+#define INTEL_MAX_RELOCS 400
+
+#define INTEL_BATCH_NO_CLIPRECTS 0x1
+#define INTEL_BATCH_CLIPRECTS    0x2
+
+struct intel_be_context;
+struct intel_be_device;
+
+struct intel_be_batchbuffer
+{
+	struct i915_batchbuffer base;
+
+	struct intel_be_context *intel;
+	struct intel_be_device *device;
+
+	struct _DriBufferObject *buffer;
+	struct _DriFenceObject *last_fence;
+	uint32_t flags;
+
+	struct _DriBufferList *list;
+	size_t list_count;
+
+	uint32_t *reloc;
+	size_t reloc_size;
+	size_t nr_relocs;
+
+	uint32_t dirty_state;
+	uint32_t id;
+
+	uint32_t poolOffset;
+	uint8_t *drmBOVirtual;
+	struct _drmBONode *node; /* Validation list node for this buffer */
+	int dest_location;     /* Validation list sequence for this buffer */
+};
+
+struct intel_be_batchbuffer *
+intel_be_batchbuffer_alloc(struct intel_be_context *intel);
+
+void
+intel_be_batchbuffer_free(struct intel_be_batchbuffer *batch);
+
+void
+intel_be_batchbuffer_finish(struct intel_be_batchbuffer *batch);
+
+struct _DriFenceObject *
+intel_be_batchbuffer_flush(struct intel_be_batchbuffer *batch);
+
+void
+intel_be_batchbuffer_reset(struct intel_be_batchbuffer *batch);
+
+void
+intel_be_offset_relocation(struct intel_be_batchbuffer *batch,
+			unsigned pre_add,
+			struct _DriBufferObject *driBO,
+			uint64_t val_flags,
+			uint64_t val_mask);
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/common/intel_be_context.c b/src/gallium/winsys/drm/intel/common/intel_be_context.c
new file mode 100644
index 00000000000..1af39674f49
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/intel_be_context.c
@@ -0,0 +1,107 @@
+
+/*
+ * Authors: Jakob Bornecrantz <jakob-at-tungstengraphics.com>
+ */
+
+#include "ws_dri_fencemgr.h"
+#include "intel_be_device.h"
+#include "intel_be_context.h"
+#include "intel_be_batchbuffer.h"
+
+static INLINE struct intel_be_context *
+intel_be_context(struct i915_winsys *sws)
+{
+	return (struct intel_be_context *)sws;
+}
+
+/* Simple batchbuffer interface:
+ */
+
+static struct i915_batchbuffer*
+intel_i915_batch_get(struct i915_winsys *sws)
+{
+	struct intel_be_context *intel = intel_be_context(sws);
+	return &intel->batch->base;
+}
+
+static void intel_i915_batch_reloc(struct i915_winsys *sws,
+				   struct pipe_buffer *buf,
+				   unsigned access_flags,
+				   unsigned delta)
+{
+	struct intel_be_context *intel = intel_be_context(sws);
+
+	unsigned flags = DRM_BO_FLAG_MEM_TT;
+	unsigned mask = DRM_BO_MASK_MEM;
+
+	if (access_flags & I915_BUFFER_ACCESS_WRITE) {
+		flags |= DRM_BO_FLAG_WRITE;
+		mask |= DRM_BO_FLAG_WRITE;
+	}
+
+	if (access_flags & I915_BUFFER_ACCESS_READ) {
+		flags |= DRM_BO_FLAG_READ;
+		mask |= DRM_BO_FLAG_READ;
+	}
+
+	intel_be_offset_relocation(intel->batch,
+				delta,
+				dri_bo(buf),
+				flags,
+				mask);
+}
+
+static void intel_i915_batch_flush(struct i915_winsys *sws,
+				   struct pipe_fence_handle **fence)
+{
+	struct intel_be_context *intel = intel_be_context(sws);
+
+	union {
+		struct _DriFenceObject *dri;
+		struct pipe_fence_handle *pipe;
+	} fu;
+
+	if (fence)
+		assert(!*fence);
+
+	fu.dri = intel_be_batchbuffer_flush(intel->batch);
+
+	if (!fu.dri) {
+		assert(0);
+		*fence = NULL;
+		return;
+	}
+
+	if (fu.dri) {
+		if (fence)
+			*fence = fu.pipe;
+		else
+			driFenceUnReference(&fu.dri);
+	}
+
+}
+
+boolean
+intel_be_init_context(struct intel_be_context *intel, struct intel_be_device *device)
+{
+	assert(intel);
+	assert(device);
+
+	intel->device = device;
+
+	/* TODO move framebuffer createion to the driver */
+
+	intel->base.batch_get = intel_i915_batch_get;
+	intel->base.batch_reloc = intel_i915_batch_reloc;
+	intel->base.batch_flush = intel_i915_batch_flush;
+
+	intel->batch = intel_be_batchbuffer_alloc(intel);
+
+	return true;
+}
+
+void
+intel_be_destroy_context(struct intel_be_context *intel)
+{
+	intel_be_batchbuffer_free(intel->batch);
+}
diff --git a/src/gallium/winsys/drm/intel/common/intel_be_context.h b/src/gallium/winsys/drm/intel/common/intel_be_context.h
new file mode 100644
index 00000000000..d5cbc93594f
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/intel_be_context.h
@@ -0,0 +1,40 @@
+/* These need to be diffrent from the intel winsys */
+#ifndef INTEL_BE_CONTEXT_H
+#define INTEL_BE_CONTEXT_H
+
+#include "i915simple/i915_winsys.h"
+
+struct intel_be_context
+{
+	/** Interface to i915simple driver */
+	struct i915_winsys base;
+
+	struct intel_be_device *device;
+	struct intel_be_batchbuffer *batch;
+
+	/*
+     * Hardware lock functions.
+     *
+     * Needs to be filled in by the winsys.
+     */
+	void (*hardware_lock)(struct intel_be_context *context);
+	void (*hardware_unlock)(struct intel_be_context *context);
+	boolean (*hardware_locked)(struct intel_be_context *context);
+};
+
+/**
+ * Intialize a allocated intel_be_context struct.
+ *
+ * Remember to set the hardware_* functions.
+ */
+boolean
+intel_be_init_context(struct intel_be_context *intel,
+		      struct intel_be_device *device);
+
+/**
+ * Destroy a intel_be_context.
+ * Does not free the struct that is up to the winsys.
+ */
+void
+intel_be_destroy_context(struct intel_be_context *intel);
+#endif
diff --git a/src/gallium/winsys/drm/intel/common/intel_be_device.c b/src/gallium/winsys/drm/intel/common/intel_be_device.c
new file mode 100644
index 00000000000..8db03296156
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/intel_be_device.c
@@ -0,0 +1,308 @@
+
+
+/*
+ * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ *			 Jakob Bornecrantz <jakob-at-tungstengraphics-dot-com>
+ */
+
+#include "intel_be_device.h"
+#include "ws_dri_bufmgr.h"
+#include "ws_dri_bufpool.h"
+#include "ws_dri_fencemgr.h"
+
+#include "pipe/p_winsys.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_state.h"
+#include "pipe/p_util.h"
+#include "pipe/p_inlines.h"
+
+#include "i915simple/i915_screen.h"
+
+/* Turn a pipe winsys into an intel/pipe winsys:
+ */
+static INLINE struct intel_be_device *
+intel_be_device( struct pipe_winsys *winsys )
+{
+	return (struct intel_be_device *)winsys;
+}
+
+
+/*
+ * Buffer functions.
+ *
+ * Most callbacks map direcly onto dri_bufmgr operations:
+ */
+
+static void *intel_be_buffer_map(struct pipe_winsys *winsys,
+					struct pipe_buffer *buf,
+					unsigned flags )
+{
+	unsigned drm_flags = 0;
+	
+	if (flags & PIPE_BUFFER_USAGE_CPU_WRITE)
+		drm_flags |= DRM_BO_FLAG_WRITE;
+
+	if (flags & PIPE_BUFFER_USAGE_CPU_READ)
+		drm_flags |= DRM_BO_FLAG_READ;
+
+	return driBOMap( dri_bo(buf), drm_flags, 0 );
+}
+
+static void intel_be_buffer_unmap(struct pipe_winsys *winsys,
+					 struct pipe_buffer *buf)
+{
+	driBOUnmap( dri_bo(buf) );
+}
+
+static void
+intel_be_buffer_destroy(struct pipe_winsys *winsys,
+			  struct pipe_buffer *buf)
+{
+	driBOUnReference( dri_bo(buf) );
+	FREE(buf);
+}
+
+static struct pipe_buffer *
+intel_be_buffer_create(struct pipe_winsys *winsys,
+						  unsigned alignment,
+						  unsigned usage,
+						  unsigned size )
+{
+	struct intel_be_buffer *buffer = CALLOC_STRUCT( intel_be_buffer );
+	struct intel_be_device *iws = intel_be_device(winsys);
+	unsigned flags = 0;
+	struct _DriBufferPool *pool;
+
+	buffer->base.refcount = 1;
+	buffer->base.alignment = alignment;
+	buffer->base.usage = usage;
+	buffer->base.size = size;
+
+	if (usage & (PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_CONSTANT)) {
+		flags |= DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED;
+		pool = iws->mallocPool;
+	} else if (usage & PIPE_BUFFER_USAGE_CUSTOM) {
+		/* For vertex buffers */
+		flags |= DRM_BO_FLAG_MEM_VRAM | DRM_BO_FLAG_MEM_TT;
+		pool = iws->vertexPool;
+	} else {
+		flags |= DRM_BO_FLAG_MEM_VRAM | DRM_BO_FLAG_MEM_TT;
+		pool = iws->regionPool;
+	}
+
+	if (usage & PIPE_BUFFER_USAGE_GPU_READ)
+		flags |= DRM_BO_FLAG_READ;
+
+	if (usage & PIPE_BUFFER_USAGE_GPU_WRITE)
+		flags |= DRM_BO_FLAG_WRITE;
+
+	/* drm complains if we don't set any read/write flags.
+	 */
+	if ((flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE)) == 0)
+		flags |= DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE;
+
+	buffer->pool = pool;
+	driGenBuffers( buffer->pool,
+		"pipe buffer", 1, &buffer->driBO, alignment, flags, 0 );
+
+	driBOData( buffer->driBO, size, NULL, buffer->pool, 0 );
+
+	return &buffer->base;
+}
+
+
+static struct pipe_buffer *
+intel_be_user_buffer_create(struct pipe_winsys *winsys, void *ptr, unsigned bytes)
+{
+	struct intel_be_buffer *buffer = CALLOC_STRUCT( intel_be_buffer );
+	struct intel_be_device *iws = intel_be_device(winsys);
+
+	driGenUserBuffer( iws->regionPool,
+			  "pipe user buffer", &buffer->driBO, ptr, bytes );
+
+	buffer->base.refcount = 1;
+
+	return &buffer->base;
+}
+
+struct pipe_buffer *
+intel_be_buffer_from_handle(struct intel_be_device *device,
+                            const char* name, unsigned handle)
+{
+	struct intel_be_buffer *be_buf = malloc(sizeof(*be_buf));
+	struct pipe_buffer *buffer;
+
+	if (!be_buf)
+		goto err;
+
+	memset(be_buf, 0, sizeof(*be_buf));
+
+	driGenBuffers(device->staticPool, name, 1, &be_buf->driBO, 0, 0, 0);
+    driBOSetReferenced(be_buf->driBO, handle);
+
+	if (0) /** XXX TODO check error */
+		goto err_bo;
+	
+	buffer = &be_buf->base;
+	buffer->refcount = 1;
+	buffer->alignment = 0;
+	buffer->usage = 0;
+	buffer->size = driBOSize(be_buf->driBO);
+
+	return buffer;
+err_bo:
+	free(be_buf);
+err:
+	return NULL;
+}
+
+
+/*
+ * Surface functions.
+ *
+ * Deprecated!
+ */
+
+static struct pipe_surface *
+intel_i915_surface_alloc(struct pipe_winsys *winsys)
+{
+	assert((size_t)"intel_i915_surface_alloc is deprecated" & 0);
+	return NULL;
+}
+
+static int
+intel_i915_surface_alloc_storage(struct pipe_winsys *winsys,
+				 struct pipe_surface *surf,
+				 unsigned width, unsigned height,
+				 enum pipe_format format,
+				 unsigned flags,
+				 unsigned tex_usage)
+{
+	assert((size_t)"intel_i915_surface_alloc_storage is deprecated" & 0);
+	return -1;
+}
+
+static void
+intel_i915_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s)
+{
+	assert((size_t)"intel_i915_surface_release is deprecated" & 0);
+}
+
+
+/*
+ * Fence functions
+ */
+
+static void
+intel_be_fence_reference( struct pipe_winsys *sws,
+		       struct pipe_fence_handle **ptr,
+		       struct pipe_fence_handle *fence )
+{
+	if (*ptr)
+		driFenceUnReference((struct _DriFenceObject **)ptr);
+
+	if (fence)
+		*ptr = (struct pipe_fence_handle *)driFenceReference((struct _DriFenceObject *)fence);
+}
+
+static int
+intel_be_fence_signalled( struct pipe_winsys *sws,
+		       struct pipe_fence_handle *fence,
+		       unsigned flag )
+{
+	return driFenceSignaled((struct _DriFenceObject *)fence, flag);
+}
+
+static int
+intel_be_fence_finish( struct pipe_winsys *sws,
+		    struct pipe_fence_handle *fence,
+		    unsigned flag )
+{
+	return driFenceFinish((struct _DriFenceObject *)fence, flag, 0);
+}
+
+
+/*
+ * Misc functions
+ */
+
+boolean
+intel_be_init_device(struct intel_be_device *dev, int fd, unsigned id)
+{
+	dev->fd = fd;
+	dev->max_batch_size = 16 * 4096;
+	dev->max_vertex_size = 128 * 4096;
+
+	dev->base.buffer_create = intel_be_buffer_create;
+	dev->base.user_buffer_create = intel_be_user_buffer_create;
+	dev->base.buffer_map = intel_be_buffer_map;
+	dev->base.buffer_unmap = intel_be_buffer_unmap;
+	dev->base.buffer_destroy = intel_be_buffer_destroy;
+	dev->base.surface_alloc = intel_i915_surface_alloc;
+	dev->base.surface_alloc_storage = intel_i915_surface_alloc_storage;
+	dev->base.surface_release = intel_i915_surface_release;
+	dev->base.fence_reference = intel_be_fence_reference;
+	dev->base.fence_signalled = intel_be_fence_signalled;
+	dev->base.fence_finish = intel_be_fence_finish;
+
+#if 0 /* Set by the winsys */
+	dev->base.flush_frontbuffer = intel_flush_frontbuffer;
+	dev->base.get_name = intel_get_name;
+#endif
+
+	dev->fMan = driInitFreeSlabManager(10, 10);
+	dev->fenceMgr = driFenceMgrTTMInit(dev->fd);
+
+	dev->mallocPool = driMallocPoolInit();
+	dev->staticPool = driDRMPoolInit(dev->fd);
+	/* Sizes: 64 128 256 512 1024 2048 4096 8192 16384 32768 */
+	dev->regionPool = driSlabPoolInit(dev->fd,
+					  DRM_BO_FLAG_READ |
+					  DRM_BO_FLAG_WRITE |
+					  DRM_BO_FLAG_MEM_TT,
+					  DRM_BO_FLAG_READ |
+					  DRM_BO_FLAG_WRITE |
+					  DRM_BO_FLAG_MEM_TT,
+					  64,
+					  10, 120, 4096 * 64, 0,
+					  dev->fMan);
+
+	dev->vertexPool = driSlabPoolInit(dev->fd,
+					  DRM_BO_FLAG_READ |
+					  DRM_BO_FLAG_WRITE |
+					  DRM_BO_FLAG_MEM_TT,
+					  DRM_BO_FLAG_READ |
+					  DRM_BO_FLAG_WRITE |
+					  DRM_BO_FLAG_MEM_TT,
+					  dev->max_vertex_size,
+					  1, 120, dev->max_vertex_size * 4, 0,
+					  dev->fMan);
+
+	dev->batchPool = driSlabPoolInit(dev->fd,
+					 DRM_BO_FLAG_EXE |
+					 DRM_BO_FLAG_MEM_TT,
+					 DRM_BO_FLAG_EXE |
+					 DRM_BO_FLAG_MEM_TT,
+					 dev->max_batch_size,
+					 1, 40, dev->max_batch_size * 16, 0,
+					 dev->fMan);
+
+	/* Fill in this struct with callbacks that i915simple will need to
+	 * communicate with the window system, buffer manager, etc.
+	 */
+	dev->screen = i915_create_screen(&dev->base, id);
+
+	return true;
+}
+
+void
+intel_be_destroy_device(struct intel_be_device *dev)
+{
+	driPoolTakeDown(dev->mallocPool);
+	driPoolTakeDown(dev->staticPool);
+	driPoolTakeDown(dev->regionPool);
+	driPoolTakeDown(dev->vertexPool);
+	driPoolTakeDown(dev->batchPool);
+
+	/** TODO takedown fenceMgr and fMan */
+}
diff --git a/src/gallium/winsys/drm/intel/common/intel_be_device.h b/src/gallium/winsys/drm/intel/common/intel_be_device.h
new file mode 100644
index 00000000000..3f8b3f585c7
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/intel_be_device.h
@@ -0,0 +1,72 @@
+#ifndef INTEL_DRM_DEVICE_H
+#define INTEL_DRM_DEVICE_H
+
+#include "pipe/p_winsys.h"
+#include "pipe/p_context.h"
+
+/*
+ * Device
+ */
+
+struct intel_be_device
+{
+	struct pipe_winsys base;
+
+	/**
+	 * Hw level screen
+	 */
+	struct pipe_screen *screen;
+
+	int fd; /**< Drm file discriptor */
+
+	size_t max_batch_size;
+	size_t max_vertex_size;
+
+	struct _DriFenceMgr *fenceMgr;
+
+	struct _DriBufferPool *batchPool;
+	struct _DriBufferPool *regionPool;
+	struct _DriBufferPool *mallocPool;
+	struct _DriBufferPool *vertexPool;
+	struct _DriBufferPool *staticPool;
+	struct _DriFreeSlabManager *fMan;
+};
+
+boolean
+intel_be_init_device(struct intel_be_device *device, int fd, unsigned id);
+
+void
+intel_be_destroy_device(struct intel_be_device *dev);
+
+/*
+ * Buffer
+ */
+
+struct intel_be_buffer {
+	struct pipe_buffer base;
+	struct _DriBufferPool *pool;
+	struct _DriBufferObject *driBO;
+};
+
+/**
+ * Create a be buffer from a drm bo handle
+ *
+ * Takes a reference
+ */
+struct pipe_buffer *
+intel_be_buffer_from_handle(struct intel_be_device *device,
+                            const char* name, unsigned handle);
+
+static INLINE struct intel_be_buffer *
+intel_be_buffer(struct pipe_buffer *buf)
+{
+	return (struct intel_be_buffer *)buf;
+}
+
+static INLINE struct _DriBufferObject *
+dri_bo(struct pipe_buffer *buf)
+{
+	return intel_be_buffer(buf)->driBO;
+}
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_bufmgr.c b/src/gallium/winsys/drm/intel/common/ws_dri_bufmgr.c
new file mode 100644
index 00000000000..b6d901f85e4
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/ws_dri_bufmgr.c
@@ -0,0 +1,949 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellstr�m <thomas-at-tungstengraphics-dot-com>
+ *          Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ */
+
+#include <xf86drm.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "glthread.h"
+#include "errno.h"
+#include "ws_dri_bufmgr.h"
+#include "string.h"
+#include "pipe/p_debug.h"
+#include "ws_dri_bufpool.h"
+#include "ws_dri_fencemgr.h"
+
+
+/*
+ * This lock is here to protect drmBO structs changing underneath us during a
+ * validate list call, since validatelist cannot take individiual locks for
+ * each drmBO. Validatelist takes this lock in write mode. Any access to an
+ * individual drmBO should take this lock in read mode, since in that case, the
+ * driBufferObject mutex will protect the access. Locking order is
+ * driBufferObject mutex - > this rw lock.
+ */
+
+_glthread_DECLARE_STATIC_MUTEX(bmMutex);
+_glthread_DECLARE_STATIC_COND(bmCond);
+
+static int kernelReaders = 0;
+static int num_buffers = 0;
+static int num_user_buffers = 0;
+
+static drmBO *drmBOListBuf(void *iterator)
+{
+    drmBONode *node;
+    drmMMListHead *l = (drmMMListHead *) iterator;
+    node = DRMLISTENTRY(drmBONode, l, head);
+    return node->buf;
+}
+
+static void *drmBOListIterator(drmBOList *list)
+{
+    void *ret = list->list.next;
+
+    if (ret == &list->list)
+	return NULL;
+    return ret;
+}
+
+static void *drmBOListNext(drmBOList *list, void *iterator)
+{
+    void *ret;
+
+    drmMMListHead *l = (drmMMListHead *) iterator;
+    ret = l->next;
+    if (ret == &list->list)
+	return NULL;
+    return ret;
+}
+
+static drmBONode *drmAddListItem(drmBOList *list, drmBO *item,
+				 uint64_t arg0,
+				 uint64_t arg1)
+{
+    drmBONode *node;
+    drmMMListHead *l;
+
+    l = list->free.next;
+    if (l == &list->free) {
+	node = (drmBONode *) malloc(sizeof(*node));
+	if (!node) {
+	    return NULL;
+	}
+	list->numCurrent++;
+    }
+    else {
+	DRMLISTDEL(l);
+	node = DRMLISTENTRY(drmBONode, l, head);
+    }
+    node->buf = item;
+    node->arg0 = arg0;
+    node->arg1 = arg1;
+    DRMLISTADD(&node->head, &list->list);
+    list->numOnList++;
+    return node;
+}
+
+static int drmAddValidateItem(drmBOList *list, drmBO *buf, uint64_t flags,
+			      uint64_t mask, int *newItem)
+{
+    drmBONode *node, *cur;
+    drmMMListHead *l;
+
+    *newItem = 0;
+    cur = NULL;
+
+    for (l = list->list.next; l != &list->list; l = l->next) {
+	node = DRMLISTENTRY(drmBONode, l, head);
+	if (node->buf == buf) {
+	    cur = node;
+	    break;
+	}
+    }
+    if (!cur) {
+	cur = drmAddListItem(list, buf, flags, mask);
+	if (!cur) {
+	    return -ENOMEM;
+	}
+	*newItem = 1;
+	cur->arg0 = flags;
+	cur->arg1 = mask;
+    }
+    else {
+        uint64_t memFlags = cur->arg0 & flags & DRM_BO_MASK_MEM;
+	uint64_t accFlags = (cur->arg0 | flags) & ~DRM_BO_MASK_MEM;
+
+	if (mask & cur->arg1 & ~DRM_BO_MASK_MEM  & (cur->arg0 ^ flags)) {
+	    return -EINVAL;
+	}
+
+	cur->arg1 |= mask;
+	cur->arg0 = (cur->arg0 & ~mask) | ((memFlags | accFlags) & mask);
+
+	if (((cur->arg1 & DRM_BO_MASK_MEM) != 0) &&
+	    (cur->arg0 & DRM_BO_MASK_MEM) == 0) {
+	    return -EINVAL;
+	}
+    }
+    return 0;
+}
+
+static void drmBOFreeList(drmBOList *list)
+{
+    drmBONode *node;
+    drmMMListHead *l;
+
+    l = list->list.next;
+    while(l != &list->list) {
+	DRMLISTDEL(l);
+	node = DRMLISTENTRY(drmBONode, l, head);
+	free(node);
+	l = list->list.next;
+	list->numCurrent--;
+	list->numOnList--;
+    }
+
+    l = list->free.next;
+    while(l != &list->free) {
+	DRMLISTDEL(l);
+	node = DRMLISTENTRY(drmBONode, l, head);
+	free(node);
+	l = list->free.next;
+	list->numCurrent--;
+    }
+}
+
+static int drmAdjustListNodes(drmBOList *list)
+{
+    drmBONode *node;
+    drmMMListHead *l;
+    int ret = 0;
+
+    while(list->numCurrent < list->numTarget) {
+	node = (drmBONode *) malloc(sizeof(*node));
+	if (!node) {
+	    ret = -ENOMEM;
+	    break;
+	}
+	list->numCurrent++;
+	DRMLISTADD(&node->head, &list->free);
+    }
+
+    while(list->numCurrent > list->numTarget) {
+	l = list->free.next;
+	if (l == &list->free)
+	    break;
+	DRMLISTDEL(l);
+	node = DRMLISTENTRY(drmBONode, l, head);
+	free(node);
+	list->numCurrent--;
+    }
+    return ret;
+}
+
+static int drmBOCreateList(int numTarget, drmBOList *list)
+{
+    DRMINITLISTHEAD(&list->list);
+    DRMINITLISTHEAD(&list->free);
+    list->numTarget = numTarget;
+    list->numCurrent = 0;
+    list->numOnList = 0;
+    return drmAdjustListNodes(list);
+}
+
+static int drmBOResetList(drmBOList *list)
+{
+    drmMMListHead *l;
+    int ret;
+
+    ret = drmAdjustListNodes(list);
+    if (ret)
+	return ret;
+
+    l = list->list.next;
+    while (l != &list->list) {
+	DRMLISTDEL(l);
+	DRMLISTADD(l, &list->free);
+	list->numOnList--;
+	l = list->list.next;
+    }
+    return drmAdjustListNodes(list);
+}
+
+void driWriteLockKernelBO(void)
+{
+    _glthread_LOCK_MUTEX(bmMutex);
+    while(kernelReaders != 0)
+	_glthread_COND_WAIT(bmCond, bmMutex);
+}
+
+void driWriteUnlockKernelBO(void)
+{
+    _glthread_UNLOCK_MUTEX(bmMutex);
+}
+
+void driReadLockKernelBO(void)
+{
+    _glthread_LOCK_MUTEX(bmMutex);
+    kernelReaders++;
+    _glthread_UNLOCK_MUTEX(bmMutex);
+}
+
+void driReadUnlockKernelBO(void)
+{
+    _glthread_LOCK_MUTEX(bmMutex);
+    if (--kernelReaders == 0)
+        _glthread_COND_BROADCAST(bmCond);
+    _glthread_UNLOCK_MUTEX(bmMutex);
+}
+
+
+
+
+/*
+ * TODO: Introduce fence pools in the same way as
+ * buffer object pools.
+ */
+
+typedef struct _DriBufferObject
+{
+   DriBufferPool *pool;
+   _glthread_Mutex mutex;
+   int refCount;
+   const char *name;
+   uint64_t flags;
+   unsigned hint;
+   unsigned alignment;
+   unsigned createdByReference;
+   void *private;
+   /* user-space buffer: */
+   unsigned userBuffer;
+   void *userData;
+   unsigned userSize;
+} DriBufferObject;
+
+typedef struct _DriBufferList {
+    drmBOList drmBuffers;  /* List of kernel buffers needing validation */
+    drmBOList driBuffers;  /* List of user-space buffers needing validation */
+} DriBufferList;
+
+
+void
+bmError(int val, const char *file, const char *function, int line)
+{
+   printf("Fatal video memory manager error \"%s\".\n"
+          "Check kernel logs or set the LIBGL_DEBUG\n"
+          "environment variable to \"verbose\" for more info.\n"
+          "Detected in file %s, line %d, function %s.\n",
+          strerror(-val), file, line, function);
+#ifndef NDEBUG
+   abort();
+#else
+   abort();
+#endif
+}
+
+extern drmBO *
+driBOKernel(struct _DriBufferObject *buf)
+{
+   drmBO *ret;
+
+   driReadLockKernelBO();
+   _glthread_LOCK_MUTEX(buf->mutex);
+   assert(buf->private != NULL);
+   ret = buf->pool->kernel(buf->pool, buf->private);
+   if (!ret)
+      BM_CKFATAL(-EINVAL);
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+   driReadUnlockKernelBO();
+
+   return ret;
+}
+
+void
+driBOWaitIdle(struct _DriBufferObject *buf, int lazy)
+{
+
+  /*
+   * This function may block. Is it sane to keep the mutex held during
+   * that time??
+   */
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   BM_CKFATAL(buf->pool->waitIdle(buf->pool, buf->private, &buf->mutex, lazy));
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+}
+
+void *
+driBOMap(struct _DriBufferObject *buf, unsigned flags, unsigned hint)
+{
+   void *virtual;
+   int retval;
+
+   if (buf->userBuffer) {
+      return buf->userData;
+   }
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   assert(buf->private != NULL);
+   retval = buf->pool->map(buf->pool, buf->private, flags, hint,
+			   &buf->mutex, &virtual);
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+
+   return retval == 0 ? virtual : NULL;
+}
+
+void
+driBOUnmap(struct _DriBufferObject *buf)
+{
+   if (buf->userBuffer)
+      return;
+
+   assert(buf->private != NULL);
+   _glthread_LOCK_MUTEX(buf->mutex);
+   BM_CKFATAL(buf->pool->unmap(buf->pool, buf->private));
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+}
+
+unsigned long
+driBOOffset(struct _DriBufferObject *buf)
+{
+   unsigned long ret;
+
+   assert(buf->private != NULL);
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   ret = buf->pool->offset(buf->pool, buf->private);
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+   return ret;
+}
+
+unsigned long
+driBOPoolOffset(struct _DriBufferObject *buf)
+{
+   unsigned long ret;
+
+   assert(buf->private != NULL);
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   ret = buf->pool->poolOffset(buf->pool, buf->private);
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+   return ret;
+}
+
+uint64_t
+driBOFlags(struct _DriBufferObject *buf)
+{
+   uint64_t ret;
+
+   assert(buf->private != NULL);
+
+   driReadLockKernelBO();
+   _glthread_LOCK_MUTEX(buf->mutex);
+   ret = buf->pool->flags(buf->pool, buf->private);
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+   driReadUnlockKernelBO();
+   return ret;
+}
+
+struct _DriBufferObject *
+driBOReference(struct _DriBufferObject *buf)
+{
+   _glthread_LOCK_MUTEX(buf->mutex);
+   if (++buf->refCount == 1) {
+      _glthread_UNLOCK_MUTEX(buf->mutex);
+      BM_CKFATAL(-EINVAL);
+   }
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+   return buf;
+}
+
+void
+driBOUnReference(struct _DriBufferObject *buf)
+{
+   int tmp;
+
+   if (!buf)
+      return;
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   tmp = --buf->refCount;
+   if (!tmp) {
+      _glthread_UNLOCK_MUTEX(buf->mutex);
+      if (buf->private) {
+	 if (buf->createdByReference)
+	    buf->pool->unreference(buf->pool, buf->private);
+	 else
+	    buf->pool->destroy(buf->pool, buf->private);
+      }
+      if (buf->userBuffer)
+	 num_user_buffers--;
+      else
+	 num_buffers--;
+      free(buf);
+   } else
+     _glthread_UNLOCK_MUTEX(buf->mutex);
+
+}
+
+
+int
+driBOData(struct _DriBufferObject *buf,
+          unsigned size, const void *data,
+	  DriBufferPool *newPool,
+	  uint64_t flags)
+{
+   void *virtual = NULL;
+   int newBuffer;
+   int retval = 0;
+   struct _DriBufferPool *pool;
+
+   assert(!buf->userBuffer); /* XXX just do a memcpy? */
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   pool = buf->pool;
+
+   if (pool == NULL && newPool != NULL) {
+       buf->pool = newPool;
+       pool = newPool;
+   }
+   if (newPool == NULL)
+       newPool = pool;
+
+   if (!pool->create) {
+      assert((size_t)"driBOData called on invalid buffer\n" & 0);
+      BM_CKFATAL(-EINVAL);
+   }
+
+   newBuffer = (!buf->private || pool != newPool ||
+ 		pool->size(pool, buf->private) < size);
+
+   if (!flags)
+       flags = buf->flags;
+
+   if (newBuffer) {
+
+       if (buf->createdByReference) {
+	  assert((size_t)"driBOData requiring resizing called on shared buffer.\n" & 0);
+	  BM_CKFATAL(-EINVAL);
+       }
+
+       if (buf->private)
+	   buf->pool->destroy(buf->pool, buf->private);
+
+       pool = newPool;
+       buf->pool = newPool;
+       buf->private = pool->create(pool, size, flags, DRM_BO_HINT_DONT_FENCE,
+				  buf->alignment);
+      if (!buf->private)
+	  retval = -ENOMEM;
+
+      if (retval == 0)
+	  retval = pool->map(pool, buf->private,
+			     DRM_BO_FLAG_WRITE,
+			     DRM_BO_HINT_DONT_BLOCK, &buf->mutex, &virtual);
+   } else if (pool->map(pool, buf->private, DRM_BO_FLAG_WRITE,
+			DRM_BO_HINT_DONT_BLOCK, &buf->mutex, &virtual)) {
+       /*
+	* Buffer is busy. need to create a new one.
+	*/
+
+       void *newBuf;
+
+       newBuf = pool->create(pool, size, flags, DRM_BO_HINT_DONT_FENCE,
+			     buf->alignment);
+       if (newBuf) {
+	   buf->pool->destroy(buf->pool, buf->private);
+	   buf->private = newBuf;
+       }
+
+       retval = pool->map(pool, buf->private,
+			  DRM_BO_FLAG_WRITE, 0, &buf->mutex, &virtual);
+   } else {
+       uint64_t flag_diff = flags ^ buf->flags;
+
+       /*
+	* We might need to change buffer flags.
+	*/
+
+       if (flag_diff){
+	   assert(pool->setStatus != NULL);
+	   BM_CKFATAL(pool->unmap(pool, buf->private));
+	   BM_CKFATAL(pool->setStatus(pool, buf->private, flag_diff,
+				      buf->flags));
+	   if (!data)
+	     goto out;
+
+	   retval = pool->map(pool, buf->private,
+			      DRM_BO_FLAG_WRITE, 0, &buf->mutex, &virtual);
+       }
+   }
+
+   if (retval == 0) {
+      if (data)
+	 memcpy(virtual, data, size);
+
+      BM_CKFATAL(pool->unmap(pool, buf->private));
+   }
+
+ out:
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+
+   return retval;
+}
+
+void
+driBOSubData(struct _DriBufferObject *buf,
+             unsigned long offset, unsigned long size, const void *data)
+{
+   void *virtual;
+
+   assert(!buf->userBuffer); /* XXX just do a memcpy? */
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   if (size && data) {
+      BM_CKFATAL(buf->pool->map(buf->pool, buf->private,
+                                DRM_BO_FLAG_WRITE, 0, &buf->mutex,
+				&virtual));
+      memcpy((unsigned char *) virtual + offset, data, size);
+      BM_CKFATAL(buf->pool->unmap(buf->pool, buf->private));
+   }
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+}
+
+void
+driBOGetSubData(struct _DriBufferObject *buf,
+                unsigned long offset, unsigned long size, void *data)
+{
+   void *virtual;
+
+   assert(!buf->userBuffer); /* XXX just do a memcpy? */
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   if (size && data) {
+      BM_CKFATAL(buf->pool->map(buf->pool, buf->private,
+                                DRM_BO_FLAG_READ, 0, &buf->mutex, &virtual));
+      memcpy(data, (unsigned char *) virtual + offset, size);
+      BM_CKFATAL(buf->pool->unmap(buf->pool, buf->private));
+   }
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+}
+
+void
+driBOSetReferenced(struct _DriBufferObject *buf,
+		   unsigned long handle)
+{
+   _glthread_LOCK_MUTEX(buf->mutex);
+   if (buf->private != NULL) {
+      assert((size_t)"Invalid buffer for setReferenced\n" & 0);
+      BM_CKFATAL(-EINVAL);
+
+   }
+   if (buf->pool->reference == NULL) {
+      assert((size_t)"Invalid buffer pool for setReferenced\n" & 0);
+      BM_CKFATAL(-EINVAL);
+   }
+   buf->private = buf->pool->reference(buf->pool, handle);
+   if (!buf->private) {
+      assert((size_t)"Invalid buffer pool for setStatic\n" & 0);
+      BM_CKFATAL(-ENOMEM);
+   }
+   buf->createdByReference = TRUE;
+   buf->flags = buf->pool->kernel(buf->pool, buf->private)->flags;
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+}
+
+int
+driGenBuffers(struct _DriBufferPool *pool,
+              const char *name,
+              unsigned n,
+              struct _DriBufferObject *buffers[],
+              unsigned alignment, uint64_t flags, unsigned hint)
+{
+   struct _DriBufferObject *buf;
+   int i;
+
+   flags = (flags) ? flags : DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_MEM_VRAM |
+      DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE;
+
+   ++num_buffers;
+
+   assert(pool);
+
+   for (i = 0; i < n; ++i) {
+      buf = (struct _DriBufferObject *) calloc(1, sizeof(*buf));
+      if (!buf)
+	 return -ENOMEM;
+
+      _glthread_INIT_MUTEX(buf->mutex);
+      _glthread_LOCK_MUTEX(buf->mutex);
+      buf->refCount = 1;
+      buf->flags = flags;
+      buf->hint = hint;
+      buf->name = name;
+      buf->alignment = alignment;
+      buf->pool = pool;
+      buf->createdByReference = 0;
+      _glthread_UNLOCK_MUTEX(buf->mutex);
+      buffers[i] = buf;
+   }
+   return 0;
+}
+
+void
+driGenUserBuffer(struct _DriBufferPool *pool,
+                 const char *name,
+                 struct _DriBufferObject **buffers,
+                 void *ptr, unsigned bytes)
+{
+   const unsigned alignment = 1, flags = 0, hint = 0;
+
+   --num_buffers; /* JB: is inced in GenBuffes */
+   driGenBuffers(pool, name, 1, buffers, alignment, flags, hint);
+   ++num_user_buffers;
+
+   (*buffers)->userBuffer = 1;
+   (*buffers)->userData = ptr;
+   (*buffers)->userSize = bytes;
+}
+
+void
+driDeleteBuffers(unsigned n, struct _DriBufferObject *buffers[])
+{
+   int i;
+
+   for (i = 0; i < n; ++i) {
+      driBOUnReference(buffers[i]);
+   }
+}
+
+
+void
+driInitBufMgr(int fd)
+{
+   ;
+}
+
+/*
+ * Note that lists are per-context and don't need mutex protection.
+ */
+
+struct _DriBufferList *
+driBOCreateList(int target)
+{
+    struct _DriBufferList *list = calloc(sizeof(*list), 1);
+
+    BM_CKFATAL(drmBOCreateList(target, &list->drmBuffers));
+    BM_CKFATAL(drmBOCreateList(target, &list->driBuffers));
+    return list;
+}
+
+int
+driBOResetList(struct _DriBufferList * list)
+{
+    int ret;
+    ret = drmBOResetList(&list->drmBuffers);
+    if (ret)
+	return ret;
+    ret = drmBOResetList(&list->driBuffers);
+    return ret;
+}
+
+void
+driBOFreeList(struct _DriBufferList * list)
+{
+   drmBOFreeList(&list->drmBuffers);
+   drmBOFreeList(&list->driBuffers);
+   free(list);
+}
+
+
+/*
+ * Copied from libdrm, because it is needed by driAddValidateItem.
+ */
+
+static drmBONode *
+driAddListItem(drmBOList * list, drmBO * item,
+	       uint64_t arg0, uint64_t arg1)
+{
+    drmBONode *node;
+    drmMMListHead *l;
+
+    l = list->free.next;
+    if (l == &list->free) {
+	node = (drmBONode *) malloc(sizeof(*node));
+	if (!node) {
+	    return NULL;
+	}
+	list->numCurrent++;
+    } else {
+	DRMLISTDEL(l);
+	node = DRMLISTENTRY(drmBONode, l, head);
+    }
+    memset(&node->bo_arg, 0, sizeof(node->bo_arg));
+    node->buf = item;
+    node->arg0 = arg0;
+    node->arg1 = arg1;
+    DRMLISTADDTAIL(&node->head, &list->list);
+    list->numOnList++;
+    return node;
+}
+
+/*
+ * Slightly modified version compared to the libdrm version.
+ * This one returns the list index of the buffer put on the list.
+ */
+
+static int
+driAddValidateItem(drmBOList * list, drmBO * buf, uint64_t flags,
+		   uint64_t mask, int *itemLoc,
+		   struct _drmBONode **pnode)
+{
+    drmBONode *node, *cur;
+    drmMMListHead *l;
+    int count = 0;
+
+    cur = NULL;
+
+    for (l = list->list.next; l != &list->list; l = l->next) {
+	node = DRMLISTENTRY(drmBONode, l, head);
+	if (node->buf == buf) {
+	    cur = node;
+	    break;
+	}
+	count++;
+    }
+    if (!cur) {
+	cur = driAddListItem(list, buf, flags, mask);
+	if (!cur)
+	    return -ENOMEM;
+
+	cur->arg0 = flags;
+	cur->arg1 = mask;
+    } else {
+        uint64_t memFlags = cur->arg0 & flags & DRM_BO_MASK_MEM;
+	uint64_t accFlags = (cur->arg0 | flags) & ~DRM_BO_MASK_MEM;
+
+	if (mask & cur->arg1 & ~DRM_BO_MASK_MEM  & (cur->arg0 ^ flags)) {
+	    return -EINVAL;
+	}
+
+	cur->arg1 |= mask;
+	cur->arg0 = (cur->arg0 & ~mask) | ((memFlags | accFlags) & mask);
+
+	if (((cur->arg1 & DRM_BO_MASK_MEM) != 0) &&
+	    (cur->arg0 & DRM_BO_MASK_MEM) == 0) {
+	    return -EINVAL;
+	}
+    }
+    *itemLoc = count;
+    *pnode = cur;
+    return 0;
+}
+
+
+void
+driBOAddListItem(struct _DriBufferList * list, struct _DriBufferObject *buf,
+                 uint64_t flags, uint64_t mask, int *itemLoc,
+		 struct _drmBONode **node)
+{
+   int newItem;
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   BM_CKFATAL(driAddValidateItem(&list->drmBuffers,
+				 buf->pool->kernel(buf->pool, buf->private),
+                                 flags, mask, itemLoc, node));
+   BM_CKFATAL(drmAddValidateItem(&list->driBuffers, (drmBO *) buf,
+				 flags, mask, &newItem));
+   if (newItem)
+     buf->refCount++;
+
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+}
+
+drmBOList *driGetdrmBOList(struct _DriBufferList *list)
+{
+	driWriteLockKernelBO();
+	return &list->drmBuffers;
+}
+
+void driPutdrmBOList(struct _DriBufferList *list)
+{
+	driWriteUnlockKernelBO();
+}
+
+
+void
+driBOFence(struct _DriBufferObject *buf, struct _DriFenceObject *fence)
+{
+   _glthread_LOCK_MUTEX(buf->mutex);
+   if (buf->pool->fence)
+       BM_CKFATAL(buf->pool->fence(buf->pool, buf->private, fence));
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+
+}
+
+void
+driBOUnrefUserList(struct _DriBufferList *list)
+{
+    struct _DriBufferObject *buf;
+    void *curBuf;
+
+    curBuf = drmBOListIterator(&list->driBuffers);
+    while (curBuf) {
+	buf = (struct _DriBufferObject *)drmBOListBuf(curBuf);
+	driBOUnReference(buf);
+	curBuf = drmBOListNext(&list->driBuffers, curBuf);
+    }
+}
+
+struct _DriFenceObject *
+driBOFenceUserList(struct _DriFenceMgr *mgr,
+		   struct _DriBufferList *list, const char *name,
+		   drmFence *kFence)
+{
+    struct _DriFenceObject *fence;
+    struct _DriBufferObject *buf;
+    void *curBuf;
+
+    fence = driFenceCreate(mgr, kFence->fence_class, kFence->type,
+			   kFence, sizeof(*kFence));
+    curBuf = drmBOListIterator(&list->driBuffers);
+
+   /*
+    * User-space fencing callbacks.
+    */
+
+   while (curBuf) {
+        buf = (struct _DriBufferObject *) drmBOListBuf(curBuf);
+	driBOFence(buf, fence);
+	driBOUnReference(buf);
+	curBuf = drmBOListNext(&list->driBuffers, curBuf);
+   }
+
+   driBOResetList(list);
+   return fence;
+}
+
+void
+driBOValidateUserList(struct _DriBufferList * list)
+{
+    void *curBuf;
+    struct _DriBufferObject *buf;
+
+    curBuf = drmBOListIterator(&list->driBuffers);
+
+    /*
+     * User-space validation callbacks.
+     */
+
+    while (curBuf) {
+	buf = (struct _DriBufferObject *) drmBOListBuf(curBuf);
+	_glthread_LOCK_MUTEX(buf->mutex);
+	if (buf->pool->validate)
+	    BM_CKFATAL(buf->pool->validate(buf->pool, buf->private, &buf->mutex));
+	_glthread_UNLOCK_MUTEX(buf->mutex);
+	curBuf = drmBOListNext(&list->driBuffers, curBuf);
+    }
+}
+
+
+void
+driPoolTakeDown(struct _DriBufferPool *pool)
+{
+   pool->takeDown(pool);
+
+}
+
+unsigned long
+driBOSize(struct _DriBufferObject *buf)
+{
+  unsigned long size;
+
+   _glthread_LOCK_MUTEX(buf->mutex);
+   size = buf->pool->size(buf->pool, buf->private);
+   _glthread_UNLOCK_MUTEX(buf->mutex);
+
+  return size;
+
+}
+
+drmBOList *driBOGetDRMBuffers(struct _DriBufferList *list)
+{
+    return &list->drmBuffers;
+}
+
+drmBOList *driBOGetDRIBuffers(struct _DriBufferList *list)
+{
+    return &list->driBuffers;
+}
+
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_bufmgr.h b/src/gallium/winsys/drm/intel/common/ws_dri_bufmgr.h
new file mode 100644
index 00000000000..e6c0cff0a05
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/ws_dri_bufmgr.h
@@ -0,0 +1,138 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellstr�m <thomas-at-tungstengraphics-dot-com>
+ *          Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ */
+
+#ifndef _PSB_BUFMGR_H_
+#define _PSB_BUFMGR_H_
+#include <xf86mm.h>
+#include "i915_drm.h"
+#include "ws_dri_fencemgr.h"
+
+typedef struct _drmBONode
+{
+    drmMMListHead head;
+    drmBO *buf;
+    struct drm_i915_op_arg bo_arg;
+    uint64_t arg0;
+    uint64_t arg1;
+} drmBONode;
+
+typedef struct _drmBOList {
+    unsigned numTarget;
+    unsigned numCurrent;
+    unsigned numOnList;
+    drmMMListHead list;
+    drmMMListHead free;
+} drmBOList;
+
+
+struct _DriFenceObject;
+struct _DriBufferObject;
+struct _DriBufferPool;
+struct _DriBufferList;
+
+/*
+ * Return a pointer to the libdrm buffer object this DriBufferObject
+ * uses.
+ */
+
+extern drmBO *driBOKernel(struct _DriBufferObject *buf);
+extern void *driBOMap(struct _DriBufferObject *buf, unsigned flags,
+                      unsigned hint);
+extern void driBOUnmap(struct _DriBufferObject *buf);
+extern unsigned long driBOOffset(struct _DriBufferObject *buf);
+extern unsigned long driBOPoolOffset(struct _DriBufferObject *buf);
+
+extern uint64_t driBOFlags(struct _DriBufferObject *buf);
+extern struct _DriBufferObject *driBOReference(struct _DriBufferObject *buf);
+extern void driBOUnReference(struct _DriBufferObject *buf);
+
+extern int driBOData(struct _DriBufferObject *r_buf,
+		     unsigned size, const void *data,
+		     struct _DriBufferPool *pool, uint64_t flags);
+
+extern void driBOSubData(struct _DriBufferObject *buf,
+                         unsigned long offset, unsigned long size,
+                         const void *data);
+extern void driBOGetSubData(struct _DriBufferObject *buf,
+                            unsigned long offset, unsigned long size,
+                            void *data);
+extern int driGenBuffers(struct _DriBufferPool *pool,
+			 const char *name,
+			 unsigned n,
+			 struct _DriBufferObject *buffers[],
+			 unsigned alignment, uint64_t flags, unsigned hint);
+extern void driGenUserBuffer(struct _DriBufferPool *pool,
+                             const char *name,
+                             struct _DriBufferObject *buffers[],
+                             void *ptr, unsigned bytes);
+extern void driDeleteBuffers(unsigned n, struct _DriBufferObject *buffers[]);
+extern void driInitBufMgr(int fd);
+extern struct _DriBufferList *driBOCreateList(int target);
+extern int driBOResetList(struct _DriBufferList * list);
+extern void driBOAddListItem(struct _DriBufferList * list,
+			     struct _DriBufferObject *buf,
+                             uint64_t flags, uint64_t mask, int *itemLoc,
+			     struct _drmBONode **node);
+
+extern void driBOValidateList(int fd, struct _DriBufferList * list);
+extern void driBOFreeList(struct _DriBufferList * list);
+extern struct _DriFenceObject *driBOFenceUserList(struct _DriFenceMgr *mgr,
+						  struct _DriBufferList *list,
+						  const char *name,
+						  drmFence *kFence);
+extern void driBOUnrefUserList(struct _DriBufferList *list);
+extern void driBOValidateUserList(struct _DriBufferList * list);
+extern drmBOList *driGetdrmBOList(struct _DriBufferList *list);
+extern void driPutdrmBOList(struct _DriBufferList *list);
+
+extern void driBOFence(struct _DriBufferObject *buf,
+                       struct _DriFenceObject *fence);
+
+extern void driPoolTakeDown(struct _DriBufferPool *pool);
+extern void driBOSetReferenced(struct _DriBufferObject *buf,
+			       unsigned long handle);
+unsigned long driBOSize(struct _DriBufferObject *buf);
+extern void driBOWaitIdle(struct _DriBufferObject *buf, int lazy);
+extern void driPoolTakeDown(struct _DriBufferPool *pool);
+
+extern void driReadLockKernelBO(void);
+extern void driReadUnlockKernelBO(void);
+extern void driWriteLockKernelBO(void);
+extern void driWriteUnlockKernelBO(void);
+
+/*
+ * For debugging purposes.
+ */
+
+extern drmBOList *driBOGetDRMBuffers(struct _DriBufferList *list);
+extern drmBOList *driBOGetDRIBuffers(struct _DriBufferList *list);
+#endif
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_bufpool.h b/src/gallium/winsys/drm/intel/common/ws_dri_bufpool.h
new file mode 100644
index 00000000000..bf607989241
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/ws_dri_bufpool.h
@@ -0,0 +1,102 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellstr�m <thomas-at-tungstengraphics-dot-com>
+ */
+
+#ifndef _PSB_BUFPOOL_H_
+#define _PSB_BUFPOOL_H_
+
+#include <xf86drm.h>
+#include <glthread.h>
+struct _DriFenceObject;
+
+typedef struct _DriBufferPool
+{
+   int fd;
+   int (*map) (struct _DriBufferPool * pool, void *private,
+               unsigned flags, int hint, _glthread_Mutex *mutex,
+	       void **virtual);
+   int (*unmap) (struct _DriBufferPool * pool, void *private);
+   int (*destroy) (struct _DriBufferPool * pool, void *private);
+   unsigned long (*offset) (struct _DriBufferPool * pool, void *private);
+   unsigned long (*poolOffset) (struct _DriBufferPool * pool, void *private);
+   uint64_t (*flags) (struct _DriBufferPool * pool, void *private);
+   unsigned long (*size) (struct _DriBufferPool * pool, void *private);
+   void *(*create) (struct _DriBufferPool * pool, unsigned long size,
+                    uint64_t flags, unsigned hint, unsigned alignment);
+   void *(*reference) (struct _DriBufferPool * pool, unsigned handle);
+   int (*unreference) (struct _DriBufferPool * pool, void *private);
+   int (*fence) (struct _DriBufferPool * pool, void *private,
+                 struct _DriFenceObject * fence);
+   drmBO *(*kernel) (struct _DriBufferPool * pool, void *private);
+   int (*validate) (struct _DriBufferPool * pool, void *private, _glthread_Mutex *mutex);
+   int (*waitIdle) (struct _DriBufferPool *pool, void *private, _glthread_Mutex *mutex,
+		    int lazy);
+   int (*setStatus)  (struct _DriBufferPool *pool, void *private,
+		      uint64_t flag_diff, uint64_t old_flags);
+   void (*takeDown) (struct _DriBufferPool * pool);
+   void *data;
+} DriBufferPool;
+
+extern void bmError(int val, const char *file, const char *function,
+                    int line);
+#define BM_CKFATAL(val)					       \
+  do{							       \
+    int tstVal = (val);					       \
+    if (tstVal) 					       \
+      bmError(tstVal, __FILE__, __FUNCTION__, __LINE__);       \
+  } while(0);
+
+
+/*
+ * Builtin pools.
+ */
+
+/*
+ * Kernel buffer objects. Size in multiples of page size. Page size aligned.
+ */
+
+extern struct _DriBufferPool *driDRMPoolInit(int fd);
+extern struct _DriBufferPool *driMallocPoolInit(void);
+
+struct _DriFreeSlabManager;
+extern struct _DriBufferPool * driSlabPoolInit(int fd, uint64_t flags,
+					       uint64_t validMask,
+					       uint32_t smallestSize,
+					       uint32_t numSizes,
+					       uint32_t desiredNumBuffers,
+					       uint32_t maxSlabSize,
+					       uint32_t pageAlignment,
+					       struct _DriFreeSlabManager *fMan);
+extern void driFinishFreeSlabManager(struct _DriFreeSlabManager *fMan);
+extern struct _DriFreeSlabManager *
+driInitFreeSlabManager(uint32_t checkIntervalMsec, uint32_t slabTimeoutMsec);
+
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_drmpool.c b/src/gallium/winsys/drm/intel/common/ws_dri_drmpool.c
new file mode 100644
index 00000000000..40929efa2f9
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/ws_dri_drmpool.c
@@ -0,0 +1,268 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellstr�m <thomas-at-tungstengraphics-dot-com>
+ */
+
+#include <xf86drm.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "ws_dri_bufpool.h"
+#include "ws_dri_bufmgr.h"
+#include "assert.h"
+
+/*
+ * Buffer pool implementation using DRM buffer objects as DRI buffer objects.
+ */
+
+static void *
+pool_create(struct _DriBufferPool *pool,
+            unsigned long size, uint64_t flags, unsigned hint,
+            unsigned alignment)
+{
+   drmBO *buf = (drmBO *) malloc(sizeof(*buf));
+   int ret;
+   unsigned pageSize = getpagesize();
+
+   if (!buf)
+      return NULL;
+
+   if ((alignment > pageSize) && (alignment % pageSize)) {
+      free(buf);
+      return NULL;
+   }
+
+   ret = drmBOCreate(pool->fd, size, alignment / pageSize,
+		     NULL,
+                     flags, hint, buf);
+   if (ret) {
+      free(buf);
+      return NULL;
+   }
+
+   return (void *) buf;
+}
+
+static void *
+pool_reference(struct _DriBufferPool *pool, unsigned handle)
+{
+   drmBO *buf = (drmBO *) malloc(sizeof(*buf));
+   int ret;
+
+   if (!buf)
+      return NULL;
+
+   ret = drmBOReference(pool->fd, handle, buf);
+
+   if (ret) {
+      free(buf);
+      return NULL;
+   }
+
+   return (void *) buf;
+}
+
+static int
+pool_destroy(struct _DriBufferPool *pool, void *private)
+{
+   int ret;
+   drmBO *buf = (drmBO *) private;
+   driReadLockKernelBO();
+   ret = drmBOUnreference(pool->fd, buf);
+   free(buf);
+   driReadUnlockKernelBO();
+   return ret;
+}
+
+static int
+pool_unreference(struct _DriBufferPool *pool, void *private)
+{
+   int ret;
+   drmBO *buf = (drmBO *) private;
+   driReadLockKernelBO();
+   ret = drmBOUnreference(pool->fd, buf);
+   free(buf);
+   driReadUnlockKernelBO();
+   return ret;
+}
+
+static int
+pool_map(struct _DriBufferPool *pool, void *private, unsigned flags,
+         int hint, _glthread_Mutex *mutex, void **virtual)
+{
+   drmBO *buf = (drmBO *) private;
+   int ret;
+
+   driReadLockKernelBO();
+   ret = drmBOMap(pool->fd, buf, flags, hint, virtual);
+   driReadUnlockKernelBO();
+   return ret;
+}
+
+static int
+pool_unmap(struct _DriBufferPool *pool, void *private)
+{
+   drmBO *buf = (drmBO *) private;
+   int ret;
+
+   driReadLockKernelBO();
+   ret = drmBOUnmap(pool->fd, buf);
+   driReadUnlockKernelBO();
+
+   return ret;
+}
+
+static unsigned long
+pool_offset(struct _DriBufferPool *pool, void *private)
+{
+   drmBO *buf = (drmBO *) private;
+   unsigned long offset;
+
+   driReadLockKernelBO();
+   assert(buf->flags & DRM_BO_FLAG_NO_MOVE);
+   offset = buf->offset;
+   driReadUnlockKernelBO();
+
+   return buf->offset;
+}
+
+static unsigned long
+pool_poolOffset(struct _DriBufferPool *pool, void *private)
+{
+   return 0;
+}
+
+static uint64_t
+pool_flags(struct _DriBufferPool *pool, void *private)
+{
+   drmBO *buf = (drmBO *) private;
+   uint64_t flags;
+
+   driReadLockKernelBO();
+   flags = buf->flags;
+   driReadUnlockKernelBO();
+
+   return flags;
+}
+
+
+static unsigned long
+pool_size(struct _DriBufferPool *pool, void *private)
+{
+   drmBO *buf = (drmBO *) private;
+   unsigned long size;
+
+   driReadLockKernelBO();
+   size = buf->size;
+   driReadUnlockKernelBO();
+
+   return buf->size;
+}
+
+static int
+pool_fence(struct _DriBufferPool *pool, void *private,
+           struct _DriFenceObject *fence)
+{
+   /*
+    * Noop. The kernel handles all fencing.
+    */
+
+   return 0;
+}
+
+static drmBO *
+pool_kernel(struct _DriBufferPool *pool, void *private)
+{
+   return (drmBO *) private;
+}
+
+static int
+pool_waitIdle(struct _DriBufferPool *pool, void *private, _glthread_Mutex *mutex,
+	      int lazy)
+{
+   drmBO *buf = (drmBO *) private;
+   int ret;
+
+   driReadLockKernelBO();
+   ret = drmBOWaitIdle(pool->fd, buf, (lazy) ? DRM_BO_HINT_WAIT_LAZY:0);
+   driReadUnlockKernelBO();
+
+   return ret;
+}
+
+
+static void
+pool_takedown(struct _DriBufferPool *pool)
+{
+   free(pool);
+}
+
+/*static int
+pool_setStatus(struct _DriBufferPool *pool, void *private,
+	       uint64_t flag_diff, uint64_t old_flags)
+{
+   drmBO *buf = (drmBO *) private;
+   uint64_t new_flags = old_flags ^ flag_diff;
+   int ret;
+
+   driReadLockKernelBO();
+   ret = drmBOSetStatus(pool->fd, buf, new_flags, flag_diff,
+			0, 0, 0);
+   driReadUnlockKernelBO();
+   return ret;
+}*/
+
+struct _DriBufferPool *
+driDRMPoolInit(int fd)
+{
+   struct _DriBufferPool *pool;
+
+   pool = (struct _DriBufferPool *) malloc(sizeof(*pool));
+
+   if (!pool)
+      return NULL;
+
+   pool->fd = fd;
+   pool->map = &pool_map;
+   pool->unmap = &pool_unmap;
+   pool->destroy = &pool_destroy;
+   pool->offset = &pool_offset;
+   pool->poolOffset = &pool_poolOffset;
+   pool->flags = &pool_flags;
+   pool->size = &pool_size;
+   pool->create = &pool_create;
+   pool->fence = &pool_fence;
+   pool->kernel = &pool_kernel;
+   pool->validate = NULL;
+   pool->waitIdle = &pool_waitIdle;
+   pool->takeDown = &pool_takedown;
+   pool->reference = &pool_reference;
+   pool->unreference = &pool_unreference;
+   pool->data = NULL;
+   return pool;
+}
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c b/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c
new file mode 100644
index 00000000000..b56bc269da5
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c
@@ -0,0 +1,377 @@
+#include "ws_dri_fencemgr.h"
+#include "glthread.h"
+#include <xf86mm.h>
+#include <string.h>
+#include <unistd.h>
+
+/*
+ * Note: Locking order is
+ * _DriFenceObject::mutex
+ * _DriFenceMgr::mutex
+ */
+
+struct _DriFenceMgr {
+    /*
+     * Constant members. Need no mutex protection.
+     */
+    struct _DriFenceMgrCreateInfo info;
+    void *private;
+
+    /*
+     * These members are protected by this->mutex
+     */
+    _glthread_Mutex mutex;
+    int refCount;
+    drmMMListHead *heads;
+    int num_fences;
+};
+
+struct _DriFenceObject {
+
+    /*
+     * These members are constant and need no mutex protection.
+     */
+    struct _DriFenceMgr *mgr;
+    uint32_t fence_class;
+    uint32_t fence_type;
+
+    /*
+     * These members are protected by mgr->mutex.
+     */
+    drmMMListHead head;
+    int refCount;
+
+    /*
+     * These members are protected by this->mutex.
+     */
+    _glthread_Mutex mutex;
+    uint32_t signaled_type;
+    void *private;
+};
+
+uint32_t
+driFenceType(struct _DriFenceObject *fence)
+{
+  return fence->fence_type;
+}
+
+struct _DriFenceMgr *
+driFenceMgrCreate(const struct _DriFenceMgrCreateInfo *info)
+{
+  struct _DriFenceMgr *tmp;
+  uint32_t i;
+
+  tmp = calloc(1, sizeof(*tmp));
+  if (!tmp)
+      return NULL;
+
+  _glthread_INIT_MUTEX(tmp->mutex);
+  _glthread_LOCK_MUTEX(tmp->mutex);
+  tmp->refCount = 1;
+  tmp->info = *info;
+  tmp->num_fences = 0;
+  tmp->heads = calloc(tmp->info.num_classes, sizeof(*tmp->heads));
+  if (!tmp->heads)
+      goto out_err;
+
+  for (i=0; i<tmp->info.num_classes; ++i) {
+      DRMINITLISTHEAD(&tmp->heads[i]);
+  }
+  _glthread_UNLOCK_MUTEX(tmp->mutex);
+  return tmp;
+
+  out_err:
+  if (tmp)
+      free(tmp);
+  return NULL;
+}
+
+static void
+driFenceMgrUnrefUnlock(struct _DriFenceMgr **pMgr)
+{
+    struct _DriFenceMgr *mgr = *pMgr;
+
+    *pMgr = NULL;
+    if (--mgr->refCount == 0)
+	free(mgr);
+    else
+	_glthread_UNLOCK_MUTEX(mgr->mutex);
+}
+
+void
+driFenceMgrUnReference(struct _DriFenceMgr **pMgr)
+{
+    _glthread_LOCK_MUTEX((*pMgr)->mutex);
+    driFenceMgrUnrefUnlock(pMgr);
+}
+
+static void
+driFenceUnReferenceLocked(struct _DriFenceObject **pFence)
+{
+    struct _DriFenceObject *fence = *pFence;
+    struct _DriFenceMgr *mgr = fence->mgr;
+
+    *pFence = NULL;
+    if (--fence->refCount == 0) {
+	DRMLISTDELINIT(&fence->head);
+	if (fence->private)
+	    mgr->info.unreference(mgr, &fence->private);
+    --mgr->num_fences;
+	fence->mgr = NULL;
+	--mgr->refCount;
+	free(fence);
+
+    }
+}
+
+
+static void
+driSignalPreviousFencesLocked(struct _DriFenceMgr *mgr,
+			      drmMMListHead *list,
+			      uint32_t fence_class,
+			      uint32_t fence_type)
+{
+    struct _DriFenceObject *entry;
+    drmMMListHead *prev;
+
+    while(list != &mgr->heads[fence_class]) {
+	entry = DRMLISTENTRY(struct _DriFenceObject, list, head);
+
+	/*
+	 * Up refcount so that entry doesn't disappear from under us
+	 * when we unlock-relock mgr to get the correct locking order.
+	 */
+
+	++entry->refCount;
+	_glthread_UNLOCK_MUTEX(mgr->mutex);
+	_glthread_LOCK_MUTEX(entry->mutex);
+	_glthread_LOCK_MUTEX(mgr->mutex);
+
+	prev = list->prev;
+
+
+
+	if (list->prev == list) {
+
+		/*
+		 * Somebody else removed the entry from the list.
+		 */
+
+		_glthread_UNLOCK_MUTEX(entry->mutex);
+		driFenceUnReferenceLocked(&entry);
+		return;
+	}
+
+	entry->signaled_type |= (fence_type & entry->fence_type);
+	if (entry->signaled_type == entry->fence_type) {
+	    DRMLISTDELINIT(list);
+	    mgr->info.unreference(mgr, &entry->private);
+	}
+	_glthread_UNLOCK_MUTEX(entry->mutex);
+	driFenceUnReferenceLocked(&entry);
+	list = prev;
+    }
+}
+
+
+int
+driFenceFinish(struct _DriFenceObject *fence, uint32_t fence_type,
+	       int lazy_hint)
+{
+    struct _DriFenceMgr *mgr = fence->mgr;
+    int ret = 0;
+
+    _glthread_LOCK_MUTEX(fence->mutex);
+
+    if ((fence->signaled_type & fence_type) == fence_type)
+	goto out0;
+
+    ret = mgr->info.finish(mgr, fence->private, fence_type, lazy_hint);
+    if (ret)
+	goto out0;
+
+    _glthread_LOCK_MUTEX(mgr->mutex);
+    _glthread_UNLOCK_MUTEX(fence->mutex);
+
+    driSignalPreviousFencesLocked(mgr, &fence->head, fence->fence_class,
+				  fence_type);
+    _glthread_UNLOCK_MUTEX(mgr->mutex);
+    return 0;
+
+  out0:
+    _glthread_UNLOCK_MUTEX(fence->mutex);
+    return ret;
+}
+
+uint32_t driFenceSignaledTypeCached(struct _DriFenceObject *fence)
+{
+    uint32_t ret;
+
+    _glthread_LOCK_MUTEX(fence->mutex);
+    ret = fence->signaled_type;
+    _glthread_UNLOCK_MUTEX(fence->mutex);
+
+    return ret;
+}
+
+int
+driFenceSignaledType(struct _DriFenceObject *fence, uint32_t flush_type,
+		 uint32_t *signaled)
+{
+    int ret = 0;
+    struct _DriFenceMgr *mgr;
+
+    _glthread_LOCK_MUTEX(fence->mutex);
+    mgr = fence->mgr;
+    *signaled = fence->signaled_type;
+    if ((fence->signaled_type & flush_type) == flush_type)
+	goto out0;
+
+    ret = mgr->info.signaled(mgr, fence->private, flush_type, signaled);
+    if (ret) {
+	*signaled = fence->signaled_type;
+	goto out0;
+    }
+
+    if ((fence->signaled_type | *signaled) == fence->signaled_type)
+	goto out0;
+
+    _glthread_LOCK_MUTEX(mgr->mutex);
+    _glthread_UNLOCK_MUTEX(fence->mutex);
+
+    driSignalPreviousFencesLocked(mgr, &fence->head, fence->fence_class,
+				  *signaled);
+
+    _glthread_UNLOCK_MUTEX(mgr->mutex);
+    return 0;
+  out0:
+    _glthread_UNLOCK_MUTEX(fence->mutex);
+    return ret;
+}
+
+struct _DriFenceObject *
+driFenceReference(struct _DriFenceObject *fence)
+{
+    _glthread_LOCK_MUTEX(fence->mgr->mutex);
+    ++fence->refCount;
+    _glthread_UNLOCK_MUTEX(fence->mgr->mutex);
+    return fence;
+}
+
+void
+driFenceUnReference(struct _DriFenceObject **pFence)
+{
+    struct _DriFenceMgr *mgr;
+
+    if (*pFence == NULL)
+	return;
+
+    mgr = (*pFence)->mgr;
+    _glthread_LOCK_MUTEX(mgr->mutex);
+    ++mgr->refCount;
+    driFenceUnReferenceLocked(pFence);
+    driFenceMgrUnrefUnlock(&mgr);
+}
+
+struct _DriFenceObject
+*driFenceCreate(struct _DriFenceMgr *mgr, uint32_t fence_class,
+		uint32_t fence_type, void *private, size_t private_size)
+{
+    struct _DriFenceObject *fence;
+    size_t fence_size = sizeof(*fence);
+
+    if (private_size)
+	fence_size = ((fence_size + 15) & ~15);
+
+    fence = calloc(1, fence_size + private_size);
+
+    if (!fence) {
+	int ret = mgr->info.finish(mgr, private, fence_type, 0);
+
+	if (ret)
+	    usleep(10000000);
+
+	return NULL;
+    }
+
+    _glthread_INIT_MUTEX(fence->mutex);
+    _glthread_LOCK_MUTEX(fence->mutex);
+    _glthread_LOCK_MUTEX(mgr->mutex);
+    fence->refCount = 1;
+    DRMLISTADDTAIL(&fence->head, &mgr->heads[fence_class]);
+    fence->mgr = mgr;
+    ++mgr->refCount;
+    ++mgr->num_fences;
+    _glthread_UNLOCK_MUTEX(mgr->mutex);
+    fence->fence_class = fence_class;
+    fence->fence_type = fence_type;
+    fence->signaled_type = 0;
+    fence->private = private;
+    if (private_size) {
+        fence->private = (void *)(((uint8_t *) fence) + fence_size);
+	memcpy(fence->private, private, private_size);
+    }
+
+    _glthread_UNLOCK_MUTEX(fence->mutex);
+    return fence;
+}
+
+
+static int
+tSignaled(struct _DriFenceMgr *mgr, void *private, uint32_t flush_type,
+	  uint32_t *signaled_type)
+{
+  long fd = (long) mgr->private;
+  int dummy;
+  drmFence *fence = (drmFence *) private;
+  int ret;
+
+  *signaled_type = 0;
+  ret = drmFenceSignaled((int) fd, fence, flush_type, &dummy);
+  if (ret)
+    return ret;
+
+  *signaled_type = fence->signaled;
+
+  return 0;
+}
+
+static int
+tFinish(struct _DriFenceMgr *mgr, void *private, uint32_t fence_type,
+	int lazy_hint)
+{
+  long fd = (long) mgr->private;
+  unsigned flags = lazy_hint ? DRM_FENCE_FLAG_WAIT_LAZY : 0;
+
+  return drmFenceWait((int)fd, flags, (drmFence *) private, fence_type);
+}
+
+static int
+tUnref(struct _DriFenceMgr *mgr, void **private)
+{
+  long fd = (long) mgr->private;
+  drmFence *fence = (drmFence *) *private;
+  *private = NULL;
+
+  return drmFenceUnreference(fd, fence);
+}
+
+struct _DriFenceMgr *driFenceMgrTTMInit(int fd)
+{
+  struct _DriFenceMgrCreateInfo info;
+  struct _DriFenceMgr *mgr;
+
+  info.flags = DRI_FENCE_CLASS_ORDERED;
+  info.num_classes = 4;
+  info.signaled = tSignaled;
+  info.finish = tFinish;
+  info.unreference = tUnref;
+
+  mgr = driFenceMgrCreate(&info);
+  if (mgr == NULL)
+    return NULL;
+
+  mgr->private = (void *) (long) fd;
+  return mgr;
+}
+
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.h b/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.h
new file mode 100644
index 00000000000..4ea58dfe183
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.h
@@ -0,0 +1,115 @@
+#ifndef DRI_FENCEMGR_H
+#define DRI_FENCEMGR_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+struct _DriFenceObject;
+struct _DriFenceMgr;
+
+/*
+ * Do a quick check to see if the fence manager has registered the fence
+ * object as signaled. Note that this function may return a false negative
+ * answer.
+ */
+extern uint32_t driFenceSignaledTypeCached(struct _DriFenceObject *fence);
+
+/*
+ * Check if the fence object is signaled. This function can be substantially
+ * more expensive to call than the above function, but will not return a false
+ * negative answer. The argument "flush_type" sets the types that the
+ * underlying mechanism must make sure will eventually signal.
+ */
+extern int driFenceSignaledType(struct _DriFenceObject *fence,
+				uint32_t flush_type, uint32_t *signaled);
+
+/*
+ * Convenience functions.
+ */
+
+static inline int driFenceSignaled(struct _DriFenceObject *fence,
+				   uint32_t flush_type)
+{
+    uint32_t signaled_types;
+    int ret = driFenceSignaledType(fence, flush_type, &signaled_types);
+    if (ret)
+	return 0;
+    return ((signaled_types & flush_type) == flush_type);
+}
+
+static inline int driFenceSignaledCached(struct _DriFenceObject *fence,
+					 uint32_t flush_type)
+{
+    uint32_t signaled_types =
+	driFenceSignaledTypeCached(fence);
+
+    return ((signaled_types & flush_type) == flush_type);
+}
+
+/*
+ * Reference a fence object.
+ */
+extern struct _DriFenceObject *driFenceReference(struct _DriFenceObject *fence);
+
+/*
+ * Unreference a fence object. The fence object pointer will be reset to NULL.
+ */
+
+extern void driFenceUnReference(struct _DriFenceObject **pFence);
+
+
+/*
+ * Wait for a fence to signal the indicated fence_type.
+ * If "lazy_hint" is true, it indicates that the wait may sleep to avoid
+ * busy-wait polling.
+ */
+extern int driFenceFinish(struct _DriFenceObject *fence, uint32_t fence_type,
+			  int lazy_hint);
+
+/*
+ * Create a DriFenceObject for manager "mgr".
+ *
+ * "private" is a pointer that should be used for the callbacks in
+ * struct _DriFenceMgrCreateInfo.
+ *
+ * if private_size is nonzero, then the info stored at *private, with size
+ * private size will be copied and the fence manager will instead use a
+ * pointer to the copied data for the callbacks in
+ * struct _DriFenceMgrCreateInfo. In that case, the object pointed to by
+ * "private" may be destroyed after the call to driFenceCreate.
+ */
+extern struct _DriFenceObject *driFenceCreate(struct _DriFenceMgr *mgr,
+					      uint32_t fence_class,
+					      uint32_t fence_type,
+					      void *private,
+					      size_t private_size);
+
+extern uint32_t driFenceType(struct _DriFenceObject *fence);
+
+/*
+ * Fence creations are ordered. If a fence signals a fence_type,
+ * it is safe to assume that all fences of the same class that was
+ * created before that fence has signaled the same type.
+ */
+
+#define DRI_FENCE_CLASS_ORDERED (1 << 0)
+
+struct _DriFenceMgrCreateInfo {
+    uint32_t flags;
+    uint32_t num_classes;
+    int (*signaled) (struct _DriFenceMgr *mgr, void *private, uint32_t flush_type,
+		     uint32_t *signaled_type);
+    int (*finish) (struct _DriFenceMgr *mgr, void *private, uint32_t fence_type, int lazy_hint);
+    int (*unreference) (struct _DriFenceMgr *mgr, void **private);
+};
+
+extern struct _DriFenceMgr *
+driFenceMgrCreate(const struct _DriFenceMgrCreateInfo *info);
+
+void
+driFenceMgrUnReference(struct _DriFenceMgr **pMgr);
+
+extern struct _DriFenceMgr *
+driFenceMgrTTMInit(int fd);
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_mallocpool.c b/src/gallium/winsys/drm/intel/common/ws_dri_mallocpool.c
new file mode 100644
index 00000000000..a80555c9c71
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/ws_dri_mallocpool.c
@@ -0,0 +1,161 @@
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellstr�m <thomas-at-tungstengraphics-dot-com>
+ */
+
+#include <xf86drm.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "pipe/p_debug.h"
+#include "glthread.h"
+#include "ws_dri_bufpool.h"
+#include "ws_dri_bufmgr.h"
+
+static void *
+pool_create(struct _DriBufferPool *pool,
+            unsigned long size, uint64_t flags, unsigned hint,
+            unsigned alignment)
+{
+    unsigned long *private = malloc(size + 2*sizeof(unsigned long));
+    if ((flags & DRM_BO_MASK_MEM) != DRM_BO_FLAG_MEM_LOCAL)
+      abort();
+
+    *private = size;
+    return (void *)private;
+}
+
+
+static int
+pool_destroy(struct _DriBufferPool *pool, void *private)
+{
+    free(private);
+    return 0;
+}
+
+static int
+pool_waitIdle(struct _DriBufferPool *pool, void *private,
+	      _glthread_Mutex *mutex, int lazy)
+{
+    return 0;
+}
+
+static int
+pool_map(struct _DriBufferPool *pool, void *private, unsigned flags,
+         int hint, _glthread_Mutex *mutex, void **virtual)
+{
+    *virtual = (void *)((unsigned long *)private + 2);
+    return 0;
+}
+
+static int
+pool_unmap(struct _DriBufferPool *pool, void *private)
+{
+    return 0;
+}
+
+static unsigned long
+pool_offset(struct _DriBufferPool *pool, void *private)
+{
+    /*
+     * BUG
+     */
+    abort();
+    return 0UL;
+}
+
+static unsigned long
+pool_poolOffset(struct _DriBufferPool *pool, void *private)
+{
+    /*
+     * BUG
+     */
+    abort();
+}
+
+static uint64_t
+pool_flags(struct _DriBufferPool *pool, void *private)
+{
+    return DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED;
+}
+
+static unsigned long
+pool_size(struct _DriBufferPool *pool, void *private)
+{
+    return *(unsigned long *) private;
+}
+
+
+static int
+pool_fence(struct _DriBufferPool *pool, void *private,
+           struct _DriFenceObject *fence)
+{
+    abort();
+    return 0UL;
+}
+
+static drmBO *
+pool_kernel(struct _DriBufferPool *pool, void *private)
+{
+    abort();
+    return NULL;
+}
+
+static void
+pool_takedown(struct _DriBufferPool *pool)
+{
+    free(pool);
+}
+
+
+struct _DriBufferPool *
+driMallocPoolInit(void)
+{
+   struct _DriBufferPool *pool;
+
+   pool = (struct _DriBufferPool *) malloc(sizeof(*pool));
+   if (!pool)
+       return NULL;
+
+   pool->data = NULL;
+   pool->fd = -1;
+   pool->map = &pool_map;
+   pool->unmap = &pool_unmap;
+   pool->destroy = &pool_destroy;
+   pool->offset = &pool_offset;
+   pool->poolOffset = &pool_poolOffset;
+   pool->flags = &pool_flags;
+   pool->size = &pool_size;
+   pool->create = &pool_create;
+   pool->fence = &pool_fence;
+   pool->kernel = &pool_kernel;
+   pool->validate = NULL;
+   pool->waitIdle = &pool_waitIdle;
+   pool->takeDown = &pool_takedown;
+   return pool;
+}
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_slabpool.c b/src/gallium/winsys/drm/intel/common/ws_dri_slabpool.c
new file mode 100644
index 00000000000..dfcf6d6b19a
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/common/ws_dri_slabpool.c
@@ -0,0 +1,968 @@
+/**************************************************************************
+ *
+ * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
+ */
+
+#include <stdint.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <unistd.h>
+#include <assert.h>
+#include "ws_dri_bufpool.h"
+#include "ws_dri_fencemgr.h"
+#include "ws_dri_bufmgr.h"
+#include "glthread.h"
+
+#define DRI_SLABPOOL_ALLOC_RETRIES 100
+
+struct _DriSlab;
+
+struct _DriSlabBuffer {
+    int isSlabBuffer;
+    drmBO *bo;
+    struct _DriFenceObject *fence;
+    struct _DriSlab *parent;
+    drmMMListHead head;
+    uint32_t mapCount;
+    uint32_t start;
+    uint32_t fenceType;
+    int unFenced;
+    _glthread_Cond event;
+};
+
+struct _DriKernelBO {
+    int fd;
+    drmBO bo;
+    drmMMListHead timeoutHead;
+    drmMMListHead head;
+    struct timeval timeFreed;
+    uint32_t pageAlignment;
+    void *virtual;
+};
+
+struct _DriSlab{
+    drmMMListHead head;
+    drmMMListHead freeBuffers;
+    uint32_t numBuffers;
+    uint32_t numFree;
+    struct _DriSlabBuffer *buffers;
+    struct _DriSlabSizeHeader *header;
+    struct _DriKernelBO *kbo;
+};
+
+
+struct _DriSlabSizeHeader {
+    drmMMListHead slabs;
+    drmMMListHead freeSlabs;
+    drmMMListHead delayedBuffers;
+    uint32_t numDelayed;
+    struct _DriSlabPool *slabPool;
+    uint32_t bufSize;
+    _glthread_Mutex mutex;
+};
+
+struct _DriFreeSlabManager {
+    struct timeval slabTimeout;
+    struct timeval checkInterval;
+    struct timeval nextCheck;
+    drmMMListHead timeoutList;
+    drmMMListHead unCached;
+    drmMMListHead cached;
+    _glthread_Mutex mutex;
+};
+
+
+struct _DriSlabPool {
+
+    /*
+     * The data of this structure remains constant after
+     * initialization and thus needs no mutex protection.
+     */
+
+    struct _DriFreeSlabManager *fMan;
+    uint64_t proposedFlags;
+    uint64_t validMask;
+    uint32_t *bucketSizes;
+    uint32_t numBuckets;
+    uint32_t pageSize;
+    int fd;
+    int pageAlignment;
+    int maxSlabSize;
+    int desiredNumBuffers;
+    struct _DriSlabSizeHeader *headers;
+};
+
+/*
+ * FIXME: Perhaps arrange timeout slabs in size buckets for fast
+ * retreival??
+ */
+
+
+static inline int
+driTimeAfterEq(struct timeval *arg1, struct timeval *arg2)
+{
+    return ((arg1->tv_sec > arg2->tv_sec) ||
+	    ((arg1->tv_sec == arg2->tv_sec) &&
+	     (arg1->tv_usec > arg2->tv_usec)));
+}
+
+static inline void
+driTimeAdd(struct timeval *arg, struct timeval *add)
+{
+    unsigned int sec;
+
+    arg->tv_sec += add->tv_sec;
+    arg->tv_usec += add->tv_usec;
+    sec = arg->tv_usec / 1000000;
+    arg->tv_sec += sec;
+    arg->tv_usec -= sec*1000000;
+}
+
+static void
+driFreeKernelBO(struct _DriKernelBO *kbo)
+{
+    if (!kbo)
+	return;
+
+    (void) drmBOUnreference(kbo->fd, &kbo->bo);
+    free(kbo);
+}
+
+
+static void
+driFreeTimeoutKBOsLocked(struct _DriFreeSlabManager *fMan,
+			 struct timeval *time)
+{
+    drmMMListHead *list, *next;
+    struct _DriKernelBO *kbo;
+
+    if (!driTimeAfterEq(time, &fMan->nextCheck))
+	return;
+
+    for (list = fMan->timeoutList.next, next = list->next;
+	 list != &fMan->timeoutList;
+	 list = next, next = list->next) {
+
+	kbo = DRMLISTENTRY(struct _DriKernelBO, list, timeoutHead);
+
+	if (!driTimeAfterEq(time, &kbo->timeFreed))
+	    break;
+
+	DRMLISTDELINIT(&kbo->timeoutHead);
+	DRMLISTDELINIT(&kbo->head);
+	driFreeKernelBO(kbo);
+    }
+
+    fMan->nextCheck = *time;
+    driTimeAdd(&fMan->nextCheck, &fMan->checkInterval);
+}
+
+
+/*
+ * Add a _DriKernelBO to the free slab manager.
+ * This means that it is available for reuse, but if it's not
+ * reused in a while, it will be freed.
+ */
+
+static void
+driSetKernelBOFree(struct _DriFreeSlabManager *fMan,
+		   struct _DriKernelBO *kbo)
+{
+    struct timeval time;
+
+    _glthread_LOCK_MUTEX(fMan->mutex);
+    gettimeofday(&time, NULL);
+    driTimeAdd(&time, &fMan->slabTimeout);
+
+    kbo->timeFreed = time;
+
+    if (kbo->bo.flags & DRM_BO_FLAG_CACHED)
+	DRMLISTADD(&kbo->head, &fMan->cached);
+    else
+	DRMLISTADD(&kbo->head, &fMan->unCached);
+
+    DRMLISTADDTAIL(&kbo->timeoutHead, &fMan->timeoutList);
+    driFreeTimeoutKBOsLocked(fMan, &time);
+
+    _glthread_UNLOCK_MUTEX(fMan->mutex);
+}
+
+/*
+ * Get a _DriKernelBO for us to use as storage for a slab.
+ *
+ */
+
+static struct _DriKernelBO *
+driAllocKernelBO(struct _DriSlabSizeHeader *header)
+
+{
+    struct _DriSlabPool *slabPool = header->slabPool;
+    struct _DriFreeSlabManager *fMan = slabPool->fMan;
+    drmMMListHead *list, *next, *head;
+    uint32_t size = header->bufSize * slabPool->desiredNumBuffers;
+    struct _DriKernelBO *kbo;
+    struct _DriKernelBO *kboTmp;
+    int ret;
+
+    /*
+     * FIXME: We should perhaps allow some variation in slabsize in order
+     * to efficiently reuse slabs.
+     */
+
+    size = (size <= slabPool->maxSlabSize) ? size : slabPool->maxSlabSize;
+    size = (size + slabPool->pageSize - 1) & ~(slabPool->pageSize - 1);
+    _glthread_LOCK_MUTEX(fMan->mutex);
+
+    kbo = NULL;
+
+  retry:
+    head = (slabPool->proposedFlags & DRM_BO_FLAG_CACHED) ?
+	&fMan->cached : &fMan->unCached;
+
+    for (list = head->next, next = list->next;
+	 list != head;
+	 list = next, next = list->next) {
+
+	kboTmp = DRMLISTENTRY(struct _DriKernelBO, list, head);
+
+	if ((kboTmp->bo.size == size) &&
+	    (slabPool->pageAlignment == 0 ||
+	     (kboTmp->pageAlignment % slabPool->pageAlignment) == 0)) {
+
+	    if (!kbo)
+		kbo = kboTmp;
+
+	    if ((kbo->bo.proposedFlags ^ slabPool->proposedFlags) == 0)
+		break;
+
+	}
+    }
+
+    if (kbo) {
+	DRMLISTDELINIT(&kbo->head);
+	DRMLISTDELINIT(&kbo->timeoutHead);
+    }
+
+    _glthread_UNLOCK_MUTEX(fMan->mutex);
+
+    if (kbo) {
+        uint64_t new_mask = kbo->bo.proposedFlags ^ slabPool->proposedFlags;
+
+	ret = 0;
+	if (new_mask) {
+	    ret = drmBOSetStatus(kbo->fd, &kbo->bo, slabPool->proposedFlags,
+				 new_mask, DRM_BO_HINT_DONT_FENCE, 0, 0);
+	}
+	if (ret == 0)
+	    return kbo;
+
+	driFreeKernelBO(kbo);
+	kbo = NULL;
+	goto retry;
+    }
+
+    kbo = calloc(1, sizeof(struct _DriKernelBO));
+    if (!kbo)
+	return NULL;
+
+    kbo->fd = slabPool->fd;
+    DRMINITLISTHEAD(&kbo->head);
+    DRMINITLISTHEAD(&kbo->timeoutHead);
+    ret = drmBOCreate(kbo->fd, size, slabPool->pageAlignment, NULL,
+		      slabPool->proposedFlags,
+		      DRM_BO_HINT_DONT_FENCE, &kbo->bo);
+    if (ret)
+	goto out_err0;
+
+    ret = drmBOMap(kbo->fd, &kbo->bo,
+		   DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE,
+		   0, &kbo->virtual);
+
+    if (ret)
+	goto out_err1;
+
+    ret = drmBOUnmap(kbo->fd, &kbo->bo);
+    if (ret)
+	goto out_err1;
+
+    return kbo;
+
+  out_err1:
+    drmBOUnreference(kbo->fd, &kbo->bo);
+  out_err0:
+    free(kbo);
+    return NULL;
+}
+
+
+static int
+driAllocSlab(struct _DriSlabSizeHeader *header)
+{
+    struct _DriSlab *slab;
+    struct _DriSlabBuffer *buf;
+    uint32_t numBuffers;
+    int ret;
+    int i;
+
+    slab = calloc(1, sizeof(*slab));
+    if (!slab)
+	return -ENOMEM;
+
+    slab->kbo = driAllocKernelBO(header);
+    if (!slab->kbo) {
+	ret = -ENOMEM;
+	goto out_err0;
+    }
+
+    numBuffers = slab->kbo->bo.size / header->bufSize;
+
+    slab->buffers = calloc(numBuffers, sizeof(*slab->buffers));
+    if (!slab->buffers) {
+	ret = -ENOMEM;
+	goto out_err1;
+    }
+
+    DRMINITLISTHEAD(&slab->head);
+    DRMINITLISTHEAD(&slab->freeBuffers);
+    slab->numBuffers = numBuffers;
+    slab->numFree = 0;
+    slab->header = header;
+
+    buf = slab->buffers;
+    for (i=0; i < numBuffers; ++i) {
+	buf->parent = slab;
+	buf->start = i* header->bufSize;
+	buf->mapCount = 0;
+	buf->isSlabBuffer = 1;
+	_glthread_INIT_COND(buf->event);
+	DRMLISTADDTAIL(&buf->head, &slab->freeBuffers);
+	slab->numFree++;
+	buf++;
+    }
+
+    DRMLISTADDTAIL(&slab->head, &header->slabs);
+
+    return 0;
+
+  out_err1:
+    driSetKernelBOFree(header->slabPool->fMan, slab->kbo);
+    free(slab->buffers);
+  out_err0:
+    free(slab);
+    return ret;
+}
+
+/*
+ * Delete a buffer from the slab header delayed list and put
+ * it on the slab free list.
+ */
+
+static void
+driSlabFreeBufferLocked(struct _DriSlabBuffer *buf)
+{
+    struct _DriSlab *slab = buf->parent;
+    struct _DriSlabSizeHeader *header = slab->header;
+    drmMMListHead *list = &buf->head;
+
+    DRMLISTDEL(list);
+    DRMLISTADDTAIL(list, &slab->freeBuffers);
+    slab->numFree++;
+
+    if (slab->head.next == &slab->head)
+	DRMLISTADDTAIL(&slab->head, &header->slabs);
+
+    if (slab->numFree == slab->numBuffers) {
+	list = &slab->head;
+	DRMLISTDEL(list);
+	DRMLISTADDTAIL(list, &header->freeSlabs);
+    }
+
+    if (header->slabs.next == &header->slabs ||
+	slab->numFree != slab->numBuffers) {
+
+	drmMMListHead *next;
+	struct _DriFreeSlabManager *fMan = header->slabPool->fMan;
+
+	for (list = header->freeSlabs.next, next = list->next;
+	     list != &header->freeSlabs;
+	     list = next, next = list->next) {
+
+	    slab = DRMLISTENTRY(struct _DriSlab, list, head);
+
+	    DRMLISTDELINIT(list);
+	    driSetKernelBOFree(fMan, slab->kbo);
+	    free(slab->buffers);
+	    free(slab);
+	}
+    }
+}
+
+static void
+driSlabCheckFreeLocked(struct _DriSlabSizeHeader *header, int wait)
+{
+  drmMMListHead *list, *prev, *first;
+   struct _DriSlabBuffer *buf;
+   struct _DriSlab *slab;
+   int firstWasSignaled = 1;
+   int signaled;
+   int i;
+   int ret;
+
+   /*
+    * Rerun the freeing test if the youngest tested buffer
+    * was signaled, since there might be more idle buffers
+    * in the delay list.
+    */
+
+   while (firstWasSignaled) {
+       firstWasSignaled = 0;
+       signaled = 0;
+       first = header->delayedBuffers.next;
+
+       /* Only examine the oldest 1/3 of delayed buffers:
+	*/
+       if (header->numDelayed > 3) {
+	   for (i = 0; i < header->numDelayed; i += 3) {
+	       first = first->next;
+	   }
+       }
+
+       for (list = first, prev = list->prev;
+	    list != &header->delayedBuffers;
+	    list = prev, prev = list->prev) {
+	   buf = DRMLISTENTRY(struct _DriSlabBuffer, list, head);
+	   slab = buf->parent;
+
+	   if (!signaled) {
+	       if (wait) {
+		   ret = driFenceFinish(buf->fence, buf->fenceType, 0);
+		   if (ret)
+		       break;
+		   signaled = 1;
+		   wait = 0;
+	       } else {
+		   signaled = driFenceSignaled(buf->fence, buf->fenceType);
+	       }
+	       if (signaled) {
+		   if (list == first)
+		       firstWasSignaled = 1;
+		   driFenceUnReference(&buf->fence);
+		   header->numDelayed--;
+		   driSlabFreeBufferLocked(buf);
+	       }
+	   } else if (driFenceSignaledCached(buf->fence, buf->fenceType)) {
+	       driFenceUnReference(&buf->fence);
+	       header->numDelayed--;
+	       driSlabFreeBufferLocked(buf);
+	   }
+       }
+   }
+}
+
+
+static struct _DriSlabBuffer *
+driSlabAllocBuffer(struct _DriSlabSizeHeader *header)
+{
+    static struct _DriSlabBuffer *buf;
+    struct _DriSlab *slab;
+    drmMMListHead *list;
+    int count = DRI_SLABPOOL_ALLOC_RETRIES;
+
+    _glthread_LOCK_MUTEX(header->mutex);
+    while(header->slabs.next == &header->slabs && count > 0) {
+        driSlabCheckFreeLocked(header, 0);
+	if (header->slabs.next != &header->slabs)
+	  break;
+
+	_glthread_UNLOCK_MUTEX(header->mutex);
+	if (count != DRI_SLABPOOL_ALLOC_RETRIES)
+	    usleep(1);
+	_glthread_LOCK_MUTEX(header->mutex);
+	(void) driAllocSlab(header);
+	count--;
+    }
+
+    list = header->slabs.next;
+    if (list == &header->slabs) {
+	_glthread_UNLOCK_MUTEX(header->mutex);
+	return NULL;
+    }
+    slab = DRMLISTENTRY(struct _DriSlab, list, head);
+    if (--slab->numFree == 0)
+	DRMLISTDELINIT(list);
+
+    list = slab->freeBuffers.next;
+    DRMLISTDELINIT(list);
+
+    _glthread_UNLOCK_MUTEX(header->mutex);
+    buf = DRMLISTENTRY(struct _DriSlabBuffer, list, head);
+    return buf;
+}
+
+static void *
+pool_create(struct _DriBufferPool *driPool, unsigned long size,
+	    uint64_t flags, unsigned hint, unsigned alignment)
+{
+    struct _DriSlabPool *pool = (struct _DriSlabPool *) driPool->data;
+    struct _DriSlabSizeHeader *header;
+    struct _DriSlabBuffer *buf;
+    void *dummy;
+    int i;
+    int ret;
+
+    /*
+     * FIXME: Check for compatibility.
+     */
+
+    header = pool->headers;
+    for (i=0; i<pool->numBuckets; ++i) {
+      if (header->bufSize >= size)
+	break;
+      header++;
+    }
+
+    if (i < pool->numBuckets)
+	return driSlabAllocBuffer(header);
+
+
+    /*
+     * Fall back to allocate a buffer object directly from DRM.
+     * and wrap it in a driBO structure.
+     */
+
+
+    buf = calloc(1, sizeof(*buf));
+
+    if (!buf)
+	return NULL;
+
+    buf->bo = calloc(1, sizeof(*buf->bo));
+    if (!buf->bo)
+	goto out_err0;
+
+    if (alignment) {
+	if ((alignment < pool->pageSize) && (pool->pageSize % alignment))
+	    goto out_err1;
+	if ((alignment > pool->pageSize) && (alignment % pool->pageSize))
+	    goto out_err1;
+    }
+
+    ret = drmBOCreate(pool->fd, size, alignment / pool->pageSize, NULL,
+			flags, hint, buf->bo);
+    if (ret)
+	goto out_err1;
+
+    ret  = drmBOMap(pool->fd, buf->bo, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE,
+		    0, &dummy);
+    if (ret)
+	goto out_err2;
+
+    ret = drmBOUnmap(pool->fd, buf->bo);
+    if (ret)
+	goto out_err2;
+
+    return buf;
+  out_err2:
+    drmBOUnreference(pool->fd, buf->bo);
+  out_err1:
+    free(buf->bo);
+  out_err0:
+    free(buf);
+    return NULL;
+}
+
+static int
+pool_destroy(struct _DriBufferPool *driPool, void *private)
+{
+    struct _DriSlabBuffer *buf =
+	(struct _DriSlabBuffer *) private;
+    struct _DriSlab *slab;
+    struct _DriSlabSizeHeader *header;
+
+    if (!buf->isSlabBuffer) {
+	struct _DriSlabPool *pool = (struct _DriSlabPool *) driPool->data;
+	int ret;
+
+	ret = drmBOUnreference(pool->fd, buf->bo);
+	free(buf->bo);
+	free(buf);
+	return ret;
+    }
+
+    slab = buf->parent;
+    header = slab->header;
+
+    _glthread_LOCK_MUTEX(header->mutex);
+    buf->unFenced = 0;
+    buf->mapCount = 0;
+
+    if (buf->fence && !driFenceSignaledCached(buf->fence, buf->fenceType)) {
+	DRMLISTADDTAIL(&buf->head, &header->delayedBuffers);
+	header->numDelayed++;
+    } else {
+	if (buf->fence)
+	    driFenceUnReference(&buf->fence);
+	driSlabFreeBufferLocked(buf);
+    }
+
+    _glthread_UNLOCK_MUTEX(header->mutex);
+    return 0;
+}
+
+static int
+pool_waitIdle(struct _DriBufferPool *driPool, void *private,
+	      _glthread_Mutex *mutex, int lazy)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+
+   while(buf->unFenced)
+       _glthread_COND_WAIT(buf->event, *mutex);
+
+   if (!buf->fence)
+     return 0;
+
+   driFenceFinish(buf->fence, buf->fenceType, lazy);
+   driFenceUnReference(&buf->fence);
+
+   return 0;
+}
+
+static int
+pool_map(struct _DriBufferPool *pool, void *private, unsigned flags,
+         int hint, _glthread_Mutex *mutex, void **virtual)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+   int busy;
+
+   if (buf->isSlabBuffer)
+       busy = buf->unFenced || (buf->fence && !driFenceSignaledCached(buf->fence, buf->fenceType));
+   else
+       busy = buf->fence && !driFenceSignaled(buf->fence, buf->fenceType);
+
+
+   if (busy) {
+       if (hint & DRM_BO_HINT_DONT_BLOCK)
+	   return -EBUSY;
+       else {
+	   (void) pool_waitIdle(pool, private, mutex, 0);
+       }
+   }
+
+   ++buf->mapCount;
+   *virtual = (buf->isSlabBuffer) ?
+       (void *) ((uint8_t *) buf->parent->kbo->virtual + buf->start) :
+       (void *) buf->bo->virtual;
+
+   return 0;
+}
+
+static int
+pool_unmap(struct _DriBufferPool *pool, void *private)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+
+   --buf->mapCount;
+   if (buf->mapCount == 0 && buf->isSlabBuffer)
+       _glthread_COND_BROADCAST(buf->event);
+
+   return 0;
+}
+
+static unsigned long
+pool_offset(struct _DriBufferPool *pool, void *private)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+   struct _DriSlab *slab;
+   struct _DriSlabSizeHeader *header;
+
+   if (!buf->isSlabBuffer) {
+       assert(buf->bo->proposedFlags & DRM_BO_FLAG_NO_MOVE);
+       return buf->bo->offset;
+   }
+
+   slab = buf->parent;
+   header = slab->header;
+
+   (void) header;
+   assert(header->slabPool->proposedFlags & DRM_BO_FLAG_NO_MOVE);
+   return slab->kbo->bo.offset + buf->start;
+}
+
+static unsigned long
+pool_poolOffset(struct _DriBufferPool *pool, void *private)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+
+   return buf->start;
+}
+
+static uint64_t
+pool_flags(struct _DriBufferPool *pool, void *private)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+
+   if (!buf->isSlabBuffer)
+       return buf->bo->flags;
+
+   return buf->parent->kbo->bo.flags;
+}
+
+static unsigned long
+pool_size(struct _DriBufferPool *pool, void *private)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+   if (!buf->isSlabBuffer)
+       return buf->bo->size;
+
+   return buf->parent->header->bufSize;
+}
+
+static int
+pool_fence(struct _DriBufferPool *pool, void *private,
+           struct _DriFenceObject *fence)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+   drmBO *bo;
+
+   if (buf->fence)
+      driFenceUnReference(&buf->fence);
+
+   buf->fence = driFenceReference(fence);
+   bo = (buf->isSlabBuffer) ?
+     &buf->parent->kbo->bo:
+     buf->bo;
+   buf->fenceType = bo->fenceFlags;
+
+   buf->unFenced = 0;
+   _glthread_COND_BROADCAST(buf->event);
+
+   return 0;
+}
+
+static drmBO *
+pool_kernel(struct _DriBufferPool *pool, void *private)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+
+   return (buf->isSlabBuffer) ? &buf->parent->kbo->bo : buf->bo;
+}
+
+static int
+pool_validate(struct _DriBufferPool *pool, void *private,
+	      _glthread_Mutex *mutex)
+{
+   struct _DriSlabBuffer *buf = (struct _DriSlabBuffer *) private;
+
+   if (!buf->isSlabBuffer)
+       return 0;
+
+   while(buf->mapCount != 0)
+       _glthread_COND_WAIT(buf->event, *mutex);
+
+   buf->unFenced = 1;
+   return 0;
+}
+
+
+struct _DriFreeSlabManager *
+driInitFreeSlabManager(uint32_t checkIntervalMsec, uint32_t slabTimeoutMsec)
+{
+    struct _DriFreeSlabManager *tmp;
+
+    tmp = calloc(1, sizeof(*tmp));
+    if (!tmp)
+	return NULL;
+
+    _glthread_INIT_MUTEX(tmp->mutex);
+    _glthread_LOCK_MUTEX(tmp->mutex);
+    tmp->slabTimeout.tv_usec = slabTimeoutMsec*1000;
+    tmp->slabTimeout.tv_sec = tmp->slabTimeout.tv_usec / 1000000;
+    tmp->slabTimeout.tv_usec -=  tmp->slabTimeout.tv_sec*1000000;
+
+    tmp->checkInterval.tv_usec = checkIntervalMsec*1000;
+    tmp->checkInterval.tv_sec = tmp->checkInterval.tv_usec / 1000000;
+    tmp->checkInterval.tv_usec -=  tmp->checkInterval.tv_sec*1000000;
+
+    gettimeofday(&tmp->nextCheck, NULL);
+    driTimeAdd(&tmp->nextCheck, &tmp->checkInterval);
+    DRMINITLISTHEAD(&tmp->timeoutList);
+    DRMINITLISTHEAD(&tmp->unCached);
+    DRMINITLISTHEAD(&tmp->cached);
+    _glthread_UNLOCK_MUTEX(tmp->mutex);
+
+    return tmp;
+}
+
+void
+driFinishFreeSlabManager(struct _DriFreeSlabManager *fMan)
+{
+    struct timeval time;
+
+    time = fMan->nextCheck;
+    driTimeAdd(&time, &fMan->checkInterval);
+
+    _glthread_LOCK_MUTEX(fMan->mutex);
+    driFreeTimeoutKBOsLocked(fMan, &time);
+    _glthread_UNLOCK_MUTEX(fMan->mutex);
+
+    assert(fMan->timeoutList.next == &fMan->timeoutList);
+    assert(fMan->unCached.next == &fMan->unCached);
+    assert(fMan->cached.next == &fMan->cached);
+
+    free(fMan);
+}
+
+static void
+driInitSizeHeader(struct _DriSlabPool *pool, uint32_t size,
+		  struct _DriSlabSizeHeader *header)
+{
+    _glthread_INIT_MUTEX(header->mutex);
+    _glthread_LOCK_MUTEX(header->mutex);
+
+    DRMINITLISTHEAD(&header->slabs);
+    DRMINITLISTHEAD(&header->freeSlabs);
+    DRMINITLISTHEAD(&header->delayedBuffers);
+
+    header->numDelayed = 0;
+    header->slabPool = pool;
+    header->bufSize = size;
+
+    _glthread_UNLOCK_MUTEX(header->mutex);
+}
+
+static void
+driFinishSizeHeader(struct _DriSlabSizeHeader *header)
+{
+    drmMMListHead *list, *next;
+    struct _DriSlabBuffer *buf;
+
+    _glthread_LOCK_MUTEX(header->mutex);
+    for (list = header->delayedBuffers.next, next = list->next;
+	 list != &header->delayedBuffers;
+	 list = next, next = list->next) {
+
+	buf = DRMLISTENTRY(struct _DriSlabBuffer, list , head);
+	if (buf->fence) {
+	    (void) driFenceFinish(buf->fence, buf->fenceType, 0);
+	    driFenceUnReference(&buf->fence);
+	}
+	header->numDelayed--;
+	driSlabFreeBufferLocked(buf);
+    }
+    _glthread_UNLOCK_MUTEX(header->mutex);
+}
+
+static void
+pool_takedown(struct _DriBufferPool *driPool)
+{
+   struct _DriSlabPool *pool = driPool->data;
+   int i;
+
+   for (i=0; i<pool->numBuckets; ++i) {
+     driFinishSizeHeader(&pool->headers[i]);
+   }
+
+   free(pool->headers);
+   free(pool->bucketSizes);
+   free(pool);
+   free(driPool);
+}
+
+struct _DriBufferPool *
+driSlabPoolInit(int fd, uint64_t flags,
+		uint64_t validMask,
+		uint32_t smallestSize,
+		uint32_t numSizes,
+		uint32_t desiredNumBuffers,
+		uint32_t maxSlabSize,
+		uint32_t pageAlignment,
+		struct _DriFreeSlabManager *fMan)
+{
+    struct _DriBufferPool *driPool;
+    struct _DriSlabPool *pool;
+    uint32_t i;
+
+    driPool = calloc(1, sizeof(*driPool));
+    if (!driPool)
+	return NULL;
+
+    pool = calloc(1, sizeof(*pool));
+    if (!pool)
+	goto out_err0;
+
+    pool->bucketSizes = calloc(numSizes, sizeof(*pool->bucketSizes));
+    if (!pool->bucketSizes)
+	goto out_err1;
+
+    pool->headers = calloc(numSizes, sizeof(*pool->headers));
+    if (!pool->headers)
+	goto out_err2;
+
+    pool->fMan = fMan;
+    pool->proposedFlags = flags;
+    pool->validMask = validMask;
+    pool->numBuckets = numSizes;
+    pool->pageSize = getpagesize();
+    pool->fd = fd;
+    pool->pageAlignment = pageAlignment;
+    pool->maxSlabSize = maxSlabSize;
+    pool->desiredNumBuffers = desiredNumBuffers;
+
+    for (i=0; i<pool->numBuckets; ++i) {
+	pool->bucketSizes[i] = (smallestSize << i);
+	driInitSizeHeader(pool, pool->bucketSizes[i],
+			  &pool->headers[i]);
+    }
+
+    driPool->data = (void *) pool;
+    driPool->map = &pool_map;
+    driPool->unmap = &pool_unmap;
+    driPool->destroy = &pool_destroy;
+    driPool->offset = &pool_offset;
+    driPool->poolOffset = &pool_poolOffset;
+    driPool->flags = &pool_flags;
+    driPool->size = &pool_size;
+    driPool->create = &pool_create;
+    driPool->fence = &pool_fence;
+    driPool->kernel = &pool_kernel;
+    driPool->validate = &pool_validate;
+    driPool->waitIdle = &pool_waitIdle;
+    driPool->takeDown = &pool_takedown;
+
+    return driPool;
+
+  out_err2:
+    free(pool->bucketSizes);
+  out_err1:
+    free(pool);
+  out_err0:
+    free(driPool);
+
+    return NULL;
+}
diff --git a/src/gallium/winsys/drm/intel/dri/Makefile b/src/gallium/winsys/drm/intel/dri/Makefile
new file mode 100644
index 00000000000..2046441a220
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/Makefile
@@ -0,0 +1,33 @@
+TOP = ../../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = i915_dri.so
+LIBNAME_EGL = egl_i915_dri.so
+
+PIPE_DRIVERS = \
+	$(TOP)/src/gallium/drivers/softpipe/libsoftpipe.a \
+	../common/libinteldrm.a \
+	$(TOP)/src/gallium/drivers/i915simple/libi915simple.a
+
+
+DRIVER_SOURCES = \
+	intel_winsys_softpipe.c \
+	intel_swapbuffers.c \
+	intel_context.c \
+	intel_lock.c \
+	intel_screen.c
+
+C_SOURCES = \
+	$(COMMON_GALLIUM_SOURCES) \
+	$(DRIVER_SOURCES)
+
+ASM_SOURCES = 
+
+DRIVER_DEFINES = -I../common $(shell pkg-config libdrm --atleast-version=2.3.1 \
+				&& echo "-DDRM_VBLANK_FLIP=DRM_VBLANK_FLIP")
+
+include ../../Makefile.template
+
+#intel_tex_layout.o: $(TOP)/src/mesa/drivers/dri/intel/intel_tex_layout.c
+
+symlinks:
diff --git a/src/gallium/winsys/drm/intel/dri/SConscript b/src/gallium/winsys/drm/intel/dri/SConscript
new file mode 100644
index 00000000000..6a4f50afcc9
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/SConscript
@@ -0,0 +1,41 @@
+Import('*')
+
+if 'mesa' in env['statetrackers']:
+
+	env = drienv.Clone()
+
+	env.Append(CPPPATH = [
+		'../intel',
+		'server'
+	])
+
+	#MINIGLX_SOURCES = server/intel_dri.c
+
+	DRIVER_SOURCES = [
+		'intel_winsys_pipe.c',
+		'intel_winsys_softpipe.c',
+		'intel_winsys_i915.c',
+		'intel_batchbuffer.c',
+		'intel_swapbuffers.c',
+		'intel_context.c',
+		'intel_lock.c',
+		'intel_screen.c',
+		'intel_batchpool.c',
+	]
+
+	sources = \
+		COMMON_GALLIUM_SOURCES + \
+		COMMON_BM_SOURCES + \
+		DRIVER_SOURCES
+
+	drivers = [
+		softpipe,
+		i915simple
+	]
+
+	# TODO: write a wrapper function http://www.scons.org/wiki/WrapperFunctions
+	env.SharedLibrary(
+		target ='i915tex_dri.so',
+		source = sources,
+		LIBS = drivers + mesa + auxiliaries + env['LIBS'],
+	)
diff --git a/src/gallium/winsys/drm/intel/dri/intel_batchbuffer.h b/src/gallium/winsys/drm/intel/dri/intel_batchbuffer.h
new file mode 100644
index 00000000000..3e953261689
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_batchbuffer.h
@@ -0,0 +1,24 @@
+#ifndef INTEL_BATCHBUFFER_H
+#define INTEL_BATCHBUFFER_H
+
+#include "intel_be_batchbuffer.h"
+
+/*
+ * Need to redefine the BATCH defines
+ */
+
+#undef BEGIN_BATCH
+#define BEGIN_BATCH(dwords, relocs) \
+   (i915_batchbuffer_check(&intel->base.batch->base, dwords, relocs))
+
+#undef OUT_BATCH
+#define OUT_BATCH(d) \
+   i915_batchbuffer_dword(&intel->base.batch->base, d)
+
+#undef OUT_RELOC
+#define OUT_RELOC(buf,flags,mask,delta) do { 					\
+   assert((delta) >= 0);							\
+   intel_be_offset_relocation(intel->base.batch, delta, buf, flags, mask); 	\
+} while (0)
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/dri/intel_context.c b/src/gallium/winsys/drm/intel/dri/intel_context.c
new file mode 100644
index 00000000000..97ef731aaad
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_context.c
@@ -0,0 +1,337 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "i830_dri.h"
+
+#include "intel_screen.h"
+#include "intel_context.h"
+#include "intel_swapbuffers.h"
+#include "intel_batchbuffer.h"
+#include "intel_winsys_softpipe.h"
+
+#include "i915simple/i915_screen.h"
+
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_context.h"
+
+#include "utils.h"
+
+
+#ifdef DEBUG
+int __intel_debug = 0;
+#endif
+
+
+#define need_GL_ARB_multisample
+#define need_GL_ARB_point_parameters
+#define need_GL_ARB_texture_compression
+#define need_GL_ARB_vertex_buffer_object
+#define need_GL_ARB_vertex_program
+#define need_GL_ARB_window_pos
+#define need_GL_EXT_blend_color
+#define need_GL_EXT_blend_equation_separate
+#define need_GL_EXT_blend_func_separate
+#define need_GL_EXT_blend_minmax
+#define need_GL_EXT_cull_vertex
+#define need_GL_EXT_fog_coord
+#define need_GL_EXT_framebuffer_object
+#define need_GL_EXT_multi_draw_arrays
+#define need_GL_EXT_secondary_color
+#define need_GL_NV_vertex_program
+#include "extension_helper.h"
+
+
+/**
+ * Extension strings exported by the intel driver.
+ *
+ * \note
+ * It appears that ARB_texture_env_crossbar has "disappeared" compared to the
+ * old i830-specific driver.
+ */
+const struct dri_extension card_extensions[] = {
+   {"GL_ARB_multisample", GL_ARB_multisample_functions},
+   {"GL_ARB_multitexture", NULL},
+   {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions},
+   {"GL_ARB_texture_border_clamp", NULL},
+   {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions},
+   {"GL_ARB_texture_cube_map", NULL},
+   {"GL_ARB_texture_env_add", NULL},
+   {"GL_ARB_texture_env_combine", NULL},
+   {"GL_ARB_texture_env_dot3", NULL},
+   {"GL_ARB_texture_mirrored_repeat", NULL},
+   {"GL_ARB_texture_rectangle", NULL},
+   {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions},
+   {"GL_ARB_pixel_buffer_object", NULL},
+   {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions},
+   {"GL_ARB_window_pos", GL_ARB_window_pos_functions},
+   {"GL_EXT_blend_color", GL_EXT_blend_color_functions},
+   {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions},
+   {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions},
+   {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions},
+   {"GL_EXT_blend_subtract", NULL},
+   {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions},
+   {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions},
+   {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
+   {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions},
+   {"GL_EXT_packed_depth_stencil", NULL},
+   {"GL_EXT_pixel_buffer_object", NULL},
+   {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions},
+   {"GL_EXT_stencil_wrap", NULL},
+   {"GL_EXT_texture_edge_clamp", NULL},
+   {"GL_EXT_texture_env_combine", NULL},
+   {"GL_EXT_texture_env_dot3", NULL},
+   {"GL_EXT_texture_filter_anisotropic", NULL},
+   {"GL_EXT_texture_lod_bias", NULL},
+   {"GL_3DFX_texture_compression_FXT1", NULL},
+   {"GL_APPLE_client_storage", NULL},
+   {"GL_MESA_pack_invert", NULL},
+   {"GL_MESA_ycbcr_texture", NULL},
+   {"GL_NV_blend_square", NULL},
+   {"GL_NV_vertex_program", GL_NV_vertex_program_functions},
+   {"GL_NV_vertex_program1_1", NULL},
+   {"GL_SGIS_generate_mipmap", NULL },
+   {NULL, NULL}
+};
+
+
+
+#ifdef DEBUG
+static const struct dri_debug_control debug_control[] = {
+   {"ioctl", DEBUG_IOCTL},
+   {"bat", DEBUG_BATCH},
+   {"lock", DEBUG_LOCK},
+   {"swap", DEBUG_SWAP},
+   {NULL, 0}
+};
+#endif
+
+
+
+static void
+intel_lock_hardware(struct intel_be_context *context)
+{
+   struct intel_context *intel = (struct intel_context *)context;
+   LOCK_HARDWARE(intel);
+}
+
+static void
+intel_unlock_hardware(struct intel_be_context *context)
+{
+   struct intel_context *intel = (struct intel_context *)context;
+   UNLOCK_HARDWARE(intel);
+}
+
+static boolean
+intel_locked_hardware(struct intel_be_context *context)
+{
+   struct intel_context *intel = (struct intel_context *)context;
+   return intel->locked ? TRUE : FALSE;
+}
+
+GLboolean
+intelCreateContext(const __GLcontextModes * visual,
+                   __DRIcontextPrivate * driContextPriv,
+                   void *sharedContextPrivate)
+{
+   struct intel_context *intel = CALLOC_STRUCT(intel_context);
+   __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
+   struct intel_screen *intelScreen = intel_screen(sPriv);
+   drmI830Sarea *saPriv = intelScreen->sarea;
+   int fthrottle_mode;
+   GLboolean havePools;
+   struct pipe_context *pipe;
+   struct st_context *st_share = NULL;
+
+   if (sharedContextPrivate) {
+      st_share = ((struct intel_context *) sharedContextPrivate)->st;
+   }
+
+   driContextPriv->driverPrivate = intel;
+   intel->intelScreen = intelScreen;
+   intel->driScreen = sPriv;
+   intel->sarea = saPriv;
+
+   driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
+                       intel->driScreen->myNum, "i915");
+
+
+   /*
+    * memory pools
+    */
+   DRM_LIGHT_LOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext);
+   // ZZZ JB should be per screen and not be done per context
+   havePools = intelCreatePools(sPriv);
+   DRM_UNLOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext);
+   if (!havePools)
+      return GL_FALSE;
+
+
+   /* Dri stuff */
+   intel->hHWContext = driContextPriv->hHWContext;
+   intel->driFd = sPriv->fd;
+   intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock;
+
+   fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode");
+   intel->iw.irq_seq = -1;
+   intel->irqsEmitted = 0;
+
+   intel->last_swap_fence = NULL;
+   intel->first_swap_fence = NULL;
+
+#ifdef DEBUG
+   __intel_debug = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
+#endif
+   intel->base.hardware_lock = intel_lock_hardware;
+   intel->base.hardware_unlock = intel_unlock_hardware;
+   intel->base.hardware_locked = intel_locked_hardware;
+
+   intel_be_init_context(&intel->base, &intelScreen->base);
+
+   /*
+    * Pipe-related setup
+    */
+   if (getenv("INTEL_SP")) {
+      /* use softpipe driver instead of hw */
+      pipe = intel_create_softpipe( intel, &intelScreen->base.base );
+   }
+   else {
+      switch (intel->intelScreen->deviceID) {
+      case PCI_CHIP_I945_G:
+      case PCI_CHIP_I945_GM:
+      case PCI_CHIP_I945_GME:
+      case PCI_CHIP_G33_G:
+      case PCI_CHIP_Q33_G:
+      case PCI_CHIP_Q35_G:
+      case PCI_CHIP_I915_G:
+      case PCI_CHIP_I915_GM:
+	 pipe = i915_create_context(intelScreen->base.screen,
+				    &intelScreen->base.base,
+				    &intel->base.base);
+	 break;
+      default:
+	 fprintf(stderr, "Unknown PCIID %x in %s, using software driver\n",
+                 intel->intelScreen->deviceID, __FUNCTION__);
+
+	 pipe = intel_create_softpipe( intel, &intelScreen->base.base );
+	 break;
+      }
+   }
+
+   pipe->priv = intel;
+
+   intel->st = st_create_context(pipe, visual, st_share);
+
+   driInitExtensions( intel->st->ctx, card_extensions, GL_TRUE );
+
+   return GL_TRUE;
+}
+
+
+void
+intelDestroyContext(__DRIcontextPrivate * driContextPriv)
+{
+   struct intel_context *intel = intel_context(driContextPriv);
+
+   assert(intel);               /* should never be null */
+   if (intel) {
+      st_finish(intel->st);
+
+      if (intel->last_swap_fence) {
+	 driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE);
+	 driFenceUnReference(&intel->last_swap_fence);
+	 intel->last_swap_fence = NULL;
+      }
+      if (intel->first_swap_fence) {
+	 driFenceFinish(intel->first_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE);
+	 driFenceUnReference(&intel->first_swap_fence);
+	 intel->first_swap_fence = NULL;
+      }
+
+      if (intel->intelScreen->dummyContext == intel)
+         intel->intelScreen->dummyContext = NULL;
+
+      st_destroy_context(intel->st);
+      intel_be_destroy_context(&intel->base);
+      free(intel);
+   }
+}
+
+
+GLboolean
+intelUnbindContext(__DRIcontextPrivate * driContextPriv)
+{
+   struct intel_context *intel = intel_context(driContextPriv);
+   st_flush(intel->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+   /* XXX make_current(NULL)? */
+   return GL_TRUE;
+}
+
+
+GLboolean
+intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
+                 __DRIdrawablePrivate * driDrawPriv,
+                 __DRIdrawablePrivate * driReadPriv)
+{
+   if (driContextPriv) {
+      struct intel_context *intel = intel_context(driContextPriv);
+      struct intel_framebuffer *draw_fb = intel_framebuffer(driDrawPriv);
+      struct intel_framebuffer *read_fb = intel_framebuffer(driReadPriv);
+
+      assert(draw_fb->stfb);
+      assert(read_fb->stfb);
+
+      /* This is for situations in which we need a rendering context but
+       * there may not be any currently bound.
+       */
+      intel->intelScreen->dummyContext = intel;
+
+      st_make_current(intel->st, draw_fb->stfb, read_fb->stfb);
+
+      if ((intel->driDrawable != driDrawPriv) ||
+	  (intel->lastStamp != driDrawPriv->lastStamp)) {
+         intel->driDrawable = driDrawPriv;
+         intelUpdateWindowSize(driDrawPriv);
+         intel->lastStamp = driDrawPriv->lastStamp;
+      }
+
+      /* The size of the draw buffer will have been updated above.
+       * If the readbuffer is a different window, check/update its size now.
+       */
+      if (driReadPriv != driDrawPriv) {
+         intelUpdateWindowSize(driReadPriv);
+      }
+
+   }
+   else {
+      st_make_current(NULL, NULL, NULL);
+   }
+
+   return GL_TRUE;
+}
diff --git a/src/gallium/winsys/drm/intel/dri/intel_context.h b/src/gallium/winsys/drm/intel/dri/intel_context.h
new file mode 100644
index 00000000000..5d22a422af9
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_context.h
@@ -0,0 +1,164 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_CONTEXT_H
+#define INTEL_CONTEXT_H
+
+#include <stdint.h>
+#include "drm.h"
+
+#include "pipe/p_debug.h"
+
+#include "intel_screen.h"
+#include "i915_drm.h"
+
+#include "intel_be_context.h"
+
+
+struct pipe_context;
+struct intel_context;
+struct _DriBufferObject;
+struct st_context;
+
+
+#define INTEL_MAX_FIXUP 64
+
+/**
+ * Intel rendering context, contains a state tracker and intel-specific info.
+ */
+struct intel_context
+{
+   struct intel_be_context base;
+   struct st_context *st;
+
+   struct _DriFenceObject *last_swap_fence;
+   struct _DriFenceObject *first_swap_fence;
+
+//   struct intel_batchbuffer *batch;
+
+   boolean locked;
+   char *prevLockFile;
+   int prevLockLine;
+
+   uint irqsEmitted;
+   drm_i915_irq_wait_t iw;
+
+   drm_context_t hHWContext;
+   drmLock *driHwLock;
+   int driFd;
+
+   __DRIdrawablePrivate *driDrawable;
+   __DRIscreenPrivate *driScreen;
+   struct intel_screen *intelScreen;
+   drmI830Sarea *sarea;
+
+   uint lastStamp;
+
+   /**
+    * Configuration cache
+    */
+   driOptionCache optionCache;
+};
+
+
+
+/**
+ * Intel framebuffer.
+ */
+struct intel_framebuffer
+{
+   struct st_framebuffer *stfb;
+
+   /* other fields TBD */
+   int other;
+};
+
+
+
+
+/* These are functions now:
+ */
+void LOCK_HARDWARE( struct intel_context *intel );
+void UNLOCK_HARDWARE( struct intel_context *intel );
+
+extern char *__progname;
+
+
+
+/* ================================================================
+ * Debugging:
+ */
+#ifdef DEBUG
+extern int __intel_debug;
+
+#define DEBUG_SWAP	0x1
+#define DEBUG_LOCK      0x2
+#define DEBUG_IOCTL	0x4
+#define DEBUG_BATCH     0x8
+
+#define DBG(flag, ...)  do { 			\
+   if (__intel_debug & (DEBUG_##flag)) 		\
+      printf(__VA_ARGS__); 		\
+} while(0)
+
+#else
+#define DBG(flag, ...)
+#endif
+
+
+
+#define PCI_CHIP_845_G			0x2562
+#define PCI_CHIP_I830_M			0x3577
+#define PCI_CHIP_I855_GM		0x3582
+#define PCI_CHIP_I865_G			0x2572
+#define PCI_CHIP_I915_G			0x2582
+#define PCI_CHIP_I915_GM		0x2592
+#define PCI_CHIP_I945_G			0x2772
+#define PCI_CHIP_I945_GM		0x27A2
+#define PCI_CHIP_I945_GME		0x27AE
+#define PCI_CHIP_G33_G			0x29C2
+#define PCI_CHIP_Q35_G			0x29B2
+#define PCI_CHIP_Q33_G			0x29D2
+
+
+/** Cast wrapper */
+static INLINE struct intel_context *
+intel_context(__DRIcontextPrivate *driContextPriv)
+{
+   return (struct intel_context *) driContextPriv->driverPrivate;
+}
+
+
+/** Cast wrapper */
+static INLINE struct intel_framebuffer *
+intel_framebuffer(__DRIdrawablePrivate * driDrawPriv)
+{
+   return (struct intel_framebuffer *) driDrawPriv->driverPrivate;
+}
+
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/dri/intel_lock.c b/src/gallium/winsys/drm/intel/dri/intel_lock.c
new file mode 100644
index 00000000000..406284c98fb
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_lock.c
@@ -0,0 +1,102 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "main/glheader.h"
+#include "glapi/glthread.h"
+#include <GL/internal/glcore.h>
+#include "state_tracker/st_public.h"
+#include "intel_context.h"
+#include "i830_dri.h"
+
+
+
+_glthread_DECLARE_STATIC_MUTEX( lockMutex );
+
+
+static void
+intelContendedLock(struct intel_context *intel, uint flags)
+{
+   __DRIdrawablePrivate *dPriv = intel->driDrawable;
+   __DRIscreenPrivate *sPriv = intel->driScreen;
+   struct intel_screen *intelScreen = intel_screen(sPriv);
+   drmI830Sarea *sarea = intel->sarea;
+
+   drmGetLock(intel->driFd, intel->hHWContext, flags);
+
+   DBG(LOCK, "%s - got contended lock\n", __progname);
+
+   /* If the window moved, may need to set a new cliprect now.
+    *
+    * NOTE: This releases and regains the hw lock, so all state
+    * checking must be done *after* this call:
+    */
+   if (dPriv)
+      DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
+
+   if (sarea->width != intelScreen->front.width ||
+       sarea->height != intelScreen->front.height) {
+
+      intelUpdateScreenRotation(sPriv, sarea);
+   }
+}
+
+
+/* Lock the hardware and validate our state.
+ */
+void LOCK_HARDWARE( struct intel_context *intel )
+{
+    char __ret = 0;
+
+    _glthread_LOCK_MUTEX(lockMutex);
+    assert(!intel->locked);
+
+    DRM_CAS(intel->driHwLock, intel->hHWContext,
+            (DRM_LOCK_HELD|intel->hHWContext), __ret);
+
+    if (__ret)
+       intelContendedLock( intel, 0 );
+
+    DBG(LOCK, "%s - locked\n", __progname);
+
+    intel->locked = 1;
+}
+
+
+/* Unlock the hardware using the global current context
+ */
+void UNLOCK_HARDWARE( struct intel_context *intel )
+{
+   assert(intel->locked);
+   intel->locked = 0;
+
+   DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
+
+   _glthread_UNLOCK_MUTEX(lockMutex);
+
+   DBG(LOCK, "%s - unlocked\n", __progname);
+}
diff --git a/src/gallium/winsys/drm/intel/dri/intel_reg.h b/src/gallium/winsys/drm/intel/dri/intel_reg.h
new file mode 100644
index 00000000000..4f33bee4385
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_reg.h
@@ -0,0 +1,53 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef _INTEL_REG_H_
+#define _INTEL_REG_H_
+
+
+#define BR00_BITBLT_CLIENT   0x40000000
+#define BR00_OP_COLOR_BLT    0x10000000
+#define BR00_OP_SRC_COPY_BLT 0x10C00000
+#define BR13_SOLID_PATTERN   0x80000000
+
+#define XY_COLOR_BLT_CMD		((2<<29)|(0x50<<22)|0x4)
+#define XY_COLOR_BLT_WRITE_ALPHA	(1<<21)
+#define XY_COLOR_BLT_WRITE_RGB		(1<<20)
+
+#define XY_SRC_COPY_BLT_CMD             ((2<<29)|(0x53<<22)|6)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA     (1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB       (1<<20)
+
+#define MI_WAIT_FOR_EVENT               ((0x3<<23))
+#define MI_WAIT_FOR_PLANE_B_FLIP        (1<<6)
+#define MI_WAIT_FOR_PLANE_A_FLIP        (1<<2)
+
+#define MI_BATCH_BUFFER_END 	        (0xA<<23)
+
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/dri/intel_screen.c b/src/gallium/winsys/drm/intel/dri/intel_screen.c
new file mode 100644
index 00000000000..46d4861e77c
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_screen.c
@@ -0,0 +1,607 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "utils.h"
+#include "vblank.h"
+#include "xmlpool.h"
+
+#include "intel_context.h"
+#include "intel_screen.h"
+#include "intel_batchbuffer.h"
+#include "intel_swapbuffers.h"
+
+#include "i830_dri.h"
+#include "ws_dri_bufpool.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_inlines.h"
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_cb_fbo.h"
+
+static void
+intelCreateSurface(struct intel_screen *intelScreen, struct pipe_winsys *winsys, unsigned handle);
+
+static void
+intelCreateSurface(struct intel_screen *intelScreen, struct pipe_winsys *winsys, unsigned handle)
+{
+   struct pipe_screen *screen = intelScreen->base.screen;
+   struct pipe_texture *texture;
+   struct pipe_texture templat;
+   struct pipe_surface *surface;
+   struct pipe_buffer *buffer;
+   unsigned pitch;
+
+   assert(intelScreen->front.cpp == 4);
+
+   buffer = intel_be_buffer_from_handle(&intelScreen->base,
+                                        "front", handle);
+
+   if (!buffer)
+      return;
+
+   intelScreen->front.buffer = dri_bo(buffer);
+
+   memset(&templat, 0, sizeof(templat));
+   templat.tex_usage |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
+   templat.target = PIPE_TEXTURE_2D;
+   templat.last_level = 0;
+   templat.depth[0] = 1;
+   templat.format = PIPE_FORMAT_A8R8G8B8_UNORM;
+   templat.width[0] = intelScreen->front.width;
+   templat.height[0] = intelScreen->front.height;
+   pf_get_block(templat.format, &templat.block);
+   pitch = intelScreen->front.pitch;
+
+   texture = screen->texture_blanket(screen,
+                                     &templat,
+                                     &pitch,
+                                     buffer);
+
+   /* Unref the buffer we don't need it anyways */
+   pipe_buffer_reference(screen->winsys, &buffer, NULL);
+
+   surface = screen->get_tex_surface(screen,
+                                     texture,
+                                     0,
+                                     0,
+                                     0,
+                                     PIPE_BUFFER_USAGE_GPU_WRITE);
+
+   intelScreen->front.texture = texture;
+   intelScreen->front.surface = surface;
+}
+
+PUBLIC const char __driConfigOptions[] =
+   DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
+   DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
+   DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
+   DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
+//   DRI_CONF_FORCE_S3TC_ENABLE(false)
+   DRI_CONF_ALLOW_LARGE_TEXTURES(1)
+   DRI_CONF_SECTION_END DRI_CONF_END;
+
+const uint __driNConfigOptions = 3;
+
+#ifdef USE_NEW_INTERFACE
+static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
+#endif /*USE_NEW_INTERFACE */
+
+extern const struct dri_extension card_extensions[];
+
+
+
+
+static void
+intelPrintDRIInfo(struct intel_screen * intelScreen,
+                  __DRIscreenPrivate * sPriv, I830DRIPtr gDRIPriv)
+{
+   fprintf(stderr, "*** Front size:   0x%x  offset: 0x%x  pitch: %d\n",
+           intelScreen->front.size, intelScreen->front.offset,
+           intelScreen->front.pitch);
+   fprintf(stderr, "*** Memory : 0x%x\n", gDRIPriv->mem);
+}
+
+
+#if 0
+static void
+intelPrintSAREA(const drmI830Sarea * sarea)
+{
+   fprintf(stderr, "SAREA: sarea width %d  height %d\n", sarea->width,
+           sarea->height);
+   fprintf(stderr, "SAREA: pitch: %d\n", sarea->pitch);
+   fprintf(stderr,
+           "SAREA: front offset: 0x%08x  size: 0x%x  handle: 0x%x\n",
+           sarea->front_offset, sarea->front_size,
+           (unsigned) sarea->front_handle);
+   fprintf(stderr,
+           "SAREA: back  offset: 0x%08x  size: 0x%x  handle: 0x%x\n",
+           sarea->back_offset, sarea->back_size,
+           (unsigned) sarea->back_handle);
+   fprintf(stderr, "SAREA: depth offset: 0x%08x  size: 0x%x  handle: 0x%x\n",
+           sarea->depth_offset, sarea->depth_size,
+           (unsigned) sarea->depth_handle);
+   fprintf(stderr, "SAREA: tex   offset: 0x%08x  size: 0x%x  handle: 0x%x\n",
+           sarea->tex_offset, sarea->tex_size, (unsigned) sarea->tex_handle);
+   fprintf(stderr, "SAREA: rotation: %d\n", sarea->rotation);
+   fprintf(stderr,
+           "SAREA: rotated offset: 0x%08x  size: 0x%x\n",
+           sarea->rotated_offset, sarea->rotated_size);
+   fprintf(stderr, "SAREA: rotated pitch: %d\n", sarea->rotated_pitch);
+}
+#endif
+
+
+/**
+ * Use the information in the sarea to update the screen parameters
+ * related to screen rotation. Needs to be called locked.
+ */
+void
+intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea)
+{
+   struct intel_screen *intelScreen = intel_screen(sPriv);
+
+   if (intelScreen->front.map) {
+      drmUnmap(intelScreen->front.map, intelScreen->front.size);
+      intelScreen->front.map = NULL;
+   }
+
+   if (intelScreen->front.buffer)
+      driDeleteBuffers(1, &intelScreen->front.buffer);
+
+   intelScreen->front.width = sarea->width;
+   intelScreen->front.height = sarea->height;
+   intelScreen->front.offset = sarea->front_offset;
+   intelScreen->front.pitch = sarea->pitch * intelScreen->front.cpp;
+   intelScreen->front.size = sarea->front_size;
+   intelScreen->front.handle = sarea->front_handle;
+
+   assert( sarea->front_size >=
+	   intelScreen->front.pitch * intelScreen->front.height );
+
+#if 0 /* JB not important */
+   if (!sarea->front_handle)
+      return;
+
+   if (drmMap(sPriv->fd,
+	      sarea->front_handle,
+	      intelScreen->front.size,
+	      (drmAddress *) & intelScreen->front.map) != 0) {
+      fprintf(stderr, "drmMap(frontbuffer) failed!\n");
+      return;
+   }
+#endif
+
+#if 0 /* JB */
+   if (intelScreen->staticPool) {
+      driGenBuffers(intelScreen->staticPool, "static region", 1,
+		    &intelScreen->front.buffer, 64,
+		    DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_NO_MOVE |
+		    DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0);
+
+      driBOSetStatic(intelScreen->front.buffer,
+		     intelScreen->front.offset,
+		     intelScreen->front.pitch * intelScreen->front.height,
+		     intelScreen->front.map, 0);
+   }
+#else
+   if (intelScreen->base.staticPool) {
+      if (intelScreen->front.buffer) {
+	 driBOUnReference(intelScreen->front.buffer);
+	 pipe_surface_reference(&intelScreen->front.surface, NULL);
+	 pipe_texture_reference(&intelScreen->front.texture, NULL);
+      }
+      intelCreateSurface(intelScreen, &intelScreen->base.base, sarea->front_bo_handle);
+   }
+#endif
+}
+
+
+boolean
+intelCreatePools(__DRIscreenPrivate * sPriv)
+{
+   //unsigned batchPoolSize = 1024*1024;
+   struct intel_screen *intelScreen = intel_screen(sPriv);
+
+   if (intelScreen->havePools)
+      return GL_TRUE;
+
+   intelScreen->havePools = GL_TRUE;
+
+   intelUpdateScreenRotation(sPriv, intelScreen->sarea);
+
+   return GL_TRUE;
+}
+
+static const char *
+intel_get_name( struct pipe_winsys *winsys )
+{
+   return "Intel/DRI/ttm";
+}
+
+/*
+ * The state tracker (should!) keep track of whether the fake
+ * frontbuffer has been touched by any rendering since the last time
+ * we copied its contents to the real frontbuffer.  Our task is easy:
+ */
+static void
+intel_flush_frontbuffer( struct pipe_winsys *winsys,
+                         struct pipe_surface *surf,
+                         void *context_private)
+{
+   struct intel_context *intel = (struct intel_context *) context_private;
+   __DRIdrawablePrivate *dPriv = intel->driDrawable;
+
+   intelDisplaySurface(dPriv, surf, NULL);
+}
+
+static boolean
+intelInitDriver(__DRIscreenPrivate * sPriv)
+{
+   struct intel_screen *intelScreen;
+   I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv;
+
+   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
+      (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->
+                                      getProcAddress("glxEnableExtension"));
+   void *const psc = sPriv->psc->screenConfigs;
+
+   if (sPriv->devPrivSize != sizeof(I830DRIRec)) {
+      fprintf(stderr,
+              "\nERROR!  sizeof(I830DRIRec) does not match passed size from device driver\n");
+      return GL_FALSE;
+   }
+
+   /* Allocate the private area */
+   intelScreen = CALLOC_STRUCT(intel_screen);
+   if (!intelScreen)
+      return GL_FALSE;
+
+   /* parse information in __driConfigOptions */
+   driParseOptionInfo(&intelScreen->optionCache,
+                      __driConfigOptions, __driNConfigOptions);
+
+   sPriv->private = (void *) intelScreen;
+
+   intelScreen->sarea = (drmI830Sarea *) (((GLubyte *) sPriv->pSAREA) +
+					  gDRIPriv->sarea_priv_offset);
+   intelScreen->deviceID = gDRIPriv->deviceID;
+   intelScreen->front.cpp = gDRIPriv->cpp;
+   intelScreen->drmMinor = sPriv->drmMinor;
+
+   assert(gDRIPriv->bitsPerPixel == 16 ||
+	  gDRIPriv->bitsPerPixel == 32);
+
+   intelUpdateScreenRotation(sPriv, intelScreen->sarea);
+
+   if (0)
+      intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv);
+
+   if (glx_enable_extension != NULL) {
+      (*glx_enable_extension) (psc, "GLX_SGI_swap_control");
+      (*glx_enable_extension) (psc, "GLX_SGI_video_sync");
+      (*glx_enable_extension) (psc, "GLX_MESA_swap_control");
+      (*glx_enable_extension) (psc, "GLX_MESA_swap_frame_usage");
+      (*glx_enable_extension) (psc, "GLX_SGI_make_current_read");
+   }
+
+   intelScreen->base.base.flush_frontbuffer = intel_flush_frontbuffer;
+   intelScreen->base.base.get_name = intel_get_name;
+   intel_be_init_device(&intelScreen->base, sPriv->fd, intelScreen->deviceID);
+
+   return GL_TRUE;
+}
+
+
+static void
+intelDestroyScreen(__DRIscreenPrivate * sPriv)
+{
+   struct intel_screen *intelScreen = intel_screen(sPriv);
+
+   intel_be_destroy_device(&intelScreen->base);
+   /*  intelUnmapScreenRegions(intelScreen); */
+
+   FREE(intelScreen);
+   sPriv->private = NULL;
+}
+
+
+/**
+ * This is called when we need to set up GL rendering to a new X window.
+ */
+static boolean
+intelCreateBuffer(__DRIscreenPrivate * driScrnPriv,
+                  __DRIdrawablePrivate * driDrawPriv,
+                  const __GLcontextModes * visual, boolean isPixmap)
+{
+   if (isPixmap) {
+      return GL_FALSE;          /* not implemented */
+   }
+   else {
+      enum pipe_format colorFormat, depthFormat, stencilFormat;
+      struct intel_framebuffer *intelfb = CALLOC_STRUCT(intel_framebuffer);
+
+      if (!intelfb)
+         return GL_FALSE;
+
+      if (visual->redBits == 5)
+         colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
+      else
+         colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
+
+      if (visual->depthBits == 16)
+         depthFormat = PIPE_FORMAT_Z16_UNORM;
+      else if (visual->depthBits == 24)
+         depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+      else
+         depthFormat = PIPE_FORMAT_NONE;
+
+      if (visual->stencilBits == 8)
+         stencilFormat = PIPE_FORMAT_S8Z24_UNORM;
+      else
+         stencilFormat = PIPE_FORMAT_NONE;
+
+      intelfb->stfb = st_create_framebuffer(visual,
+                                            colorFormat,
+                                            depthFormat,
+                                            stencilFormat,
+                                            driDrawPriv->w,
+                                            driDrawPriv->h,
+                                            (void*) intelfb);
+      if (!intelfb->stfb) {
+         free(intelfb);
+         return GL_FALSE;
+      }
+
+      driDrawPriv->driverPrivate = (void *) intelfb;
+      return GL_TRUE;
+   }
+}
+
+static void
+intelDestroyBuffer(__DRIdrawablePrivate * driDrawPriv)
+{
+   struct intel_framebuffer *intelfb = intel_framebuffer(driDrawPriv);
+   assert(intelfb->stfb);
+   st_unreference_framebuffer(&intelfb->stfb);
+   free(intelfb);
+}
+
+
+/**
+ * Get information about previous buffer swaps.
+ */
+static int
+intelGetSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo)
+{
+   if ((dPriv == NULL) || (dPriv->driverPrivate == NULL)
+       || (sInfo == NULL)) {
+      return -1;
+   }
+
+   return 0;
+}
+
+
+static void
+intelSetTexOffset(__DRIcontext *pDRICtx, int texname,
+		  unsigned long long offset, int depth, uint pitch)
+{
+   abort();
+#if 0
+   struct intel_context *intel = (struct intel_context*)
+      ((__DRIcontextPrivate*)pDRICtx->private)->driverPrivate;
+   struct gl_texture_object *tObj = _mesa_lookup_texture(&intel->ctx, texname);
+   struct st_texture_object *stObj = st_texture_object(tObj);
+
+   if (!stObj)
+      return;
+
+   if (stObj->pt)
+      st->pipe->texture_release(intel->st->pipe, &stObj->pt);
+
+   stObj->imageOverride = GL_TRUE;
+   stObj->depthOverride = depth;
+   stObj->pitchOverride = pitch;
+
+   if (offset)
+      stObj->textureOffset = offset;
+#endif
+}
+
+
+static const struct __DriverAPIRec intelAPI = {
+   .InitDriver = intelInitDriver,
+   .DestroyScreen = intelDestroyScreen,
+   .CreateContext = intelCreateContext,
+   .DestroyContext = intelDestroyContext,
+   .CreateBuffer = intelCreateBuffer,
+   .DestroyBuffer = intelDestroyBuffer,
+   .SwapBuffers = intelSwapBuffers,
+   .MakeCurrent = intelMakeCurrent,
+   .UnbindContext = intelUnbindContext,
+   .GetSwapInfo = intelGetSwapInfo,
+   .GetMSC = driGetMSC32,
+   .WaitForMSC = driWaitForMSC32,
+   .WaitForSBC = NULL,
+   .SwapBuffersMSC = NULL,
+   .CopySubBuffer = intelCopySubBuffer,
+   .setTexOffset = intelSetTexOffset,
+};
+
+
+static __GLcontextModes *
+intelFillInModes(unsigned pixel_bits, unsigned depth_bits,
+                 unsigned stencil_bits, boolean have_back_buffer)
+{
+   __GLcontextModes *modes;
+   __GLcontextModes *m;
+   unsigned num_modes;
+   unsigned depth_buffer_factor;
+   unsigned back_buffer_factor;
+   GLenum fb_format;
+   GLenum fb_type;
+
+   /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
+    * support pageflipping at all.
+    */
+   static const GLenum back_buffer_modes[] = {
+      GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+   };
+
+   uint8_t depth_bits_array[3];
+   uint8_t stencil_bits_array[3];
+   uint8_t msaa_samples_array[1];
+
+
+   depth_bits_array[0] = 0;
+   depth_bits_array[1] = depth_bits;
+   depth_bits_array[2] = depth_bits;
+   msaa_samples_array[0] = 0;
+
+   /* Just like with the accumulation buffer, always provide some modes
+    * with a stencil buffer.  It will be a sw fallback, but some apps won't
+    * care about that.
+    */
+   stencil_bits_array[0] = 0;
+   stencil_bits_array[1] = 0;
+   if (depth_bits == 24)
+      stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+   stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+   depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1;
+   back_buffer_factor = (have_back_buffer) ? 3 : 1;
+
+   num_modes = depth_buffer_factor * back_buffer_factor * 4;
+
+   if (pixel_bits == 16) {
+      fb_format = GL_RGB;
+      fb_type = GL_UNSIGNED_SHORT_5_6_5;
+   }
+   else {
+      fb_format = GL_BGRA;
+      fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+   }
+
+   modes =
+      (*dri_interface->createContextModes) (num_modes,
+                                            sizeof(__GLcontextModes));
+   m = modes;
+   if (!driFillInModes(&m, fb_format, fb_type,
+                       depth_bits_array, stencil_bits_array,
+                       depth_buffer_factor, back_buffer_modes,
+                       back_buffer_factor, msaa_samples_array, 1, GLX_TRUE_COLOR)) {
+      fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
+              __LINE__);
+      return NULL;
+   }
+   if (!driFillInModes(&m, fb_format, fb_type,
+                       depth_bits_array, stencil_bits_array,
+                       depth_buffer_factor, back_buffer_modes,
+                       back_buffer_factor, msaa_samples_array, 1, GLX_DIRECT_COLOR)) {
+      fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
+              __LINE__);
+      return NULL;
+   }
+
+   /* Mark the visual as slow if there are "fake" stencil bits.
+    */
+   for (m = modes; m != NULL; m = m->next) {
+      if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) {
+         m->visualRating = GLX_SLOW_CONFIG;
+      }
+   }
+
+   return modes;
+}
+
+
+/**
+ * This is the bootstrap function for the driver.  libGL supplies all of the
+ * requisite information about the system, and the driver initializes itself.
+ * This routine also fills in the linked list pointed to by \c driver_modes
+ * with the \c __GLcontextModes that the driver can support for windows or
+ * pbuffers.
+ *
+ * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
+ *         failure.
+ */
+PUBLIC void *
+__driCreateNewScreen_20050727(__DRInativeDisplay * dpy, int scrn,
+                              __DRIscreen * psc,
+                              const __GLcontextModes * modes,
+                              const __DRIversion * ddx_version,
+                              const __DRIversion * dri_version,
+                              const __DRIversion * drm_version,
+                              const __DRIframebuffer * frame_buffer,
+                              drmAddress pSAREA, int fd,
+                              int internal_api_version,
+                              const __DRIinterfaceMethods * interface,
+                              __GLcontextModes ** driver_modes)
+{
+   __DRIscreenPrivate *psp;
+   static const __DRIversion ddx_expected = { 1, 7, 0 };
+   static const __DRIversion dri_expected = { 4, 0, 0 };
+   static const __DRIversion drm_expected = { 1, 7, 0 };
+
+   dri_interface = interface;
+
+   if (!driCheckDriDdxDrmVersions2("i915",
+                                   dri_version, &dri_expected,
+                                   ddx_version, &ddx_expected,
+                                   drm_version, &drm_expected)) {
+      return NULL;
+   }
+
+   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
+                                  ddx_version, dri_version, drm_version,
+                                  frame_buffer, pSAREA, fd,
+                                  internal_api_version, &intelAPI);
+
+   if (psp != NULL) {
+      I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv;
+      *driver_modes = intelFillInModes(dri_priv->cpp * 8,
+                                       (dri_priv->cpp == 2) ? 16 : 24,
+                                       (dri_priv->cpp == 2) ? 0 : 8, 1);
+
+      /* Calling driInitExtensions here, with a NULL context pointer,
+       * does not actually enable the extensions.  It just makes sure
+       * that all the dispatch offsets for all the extensions that
+       * *might* be enables are known.  This is needed because the
+       * dispatch offsets need to be known when _mesa_context_create
+       * is called, but we can't enable the extensions until we have a
+       * context pointer.
+       *
+       * Hello chicken.  Hello egg.  How are you two today?
+       */
+      driInitExtensions(NULL, card_extensions, GL_FALSE);
+   }
+
+   return (void *) psp;
+}
+
diff --git a/src/gallium/winsys/drm/intel/dri/intel_screen.h b/src/gallium/winsys/drm/intel/dri/intel_screen.h
new file mode 100644
index 00000000000..0bb43a915cd
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_screen.h
@@ -0,0 +1,122 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef _INTEL_SCREEN_H_
+#define _INTEL_SCREEN_H_
+
+#include "dri_util.h"
+#include "i830_common.h"
+#include "xmlconfig.h"
+#include "ws_dri_bufpool.h"
+
+#include "pipe/p_compiler.h"
+
+#include "intel_be_device.h"
+
+struct intel_screen
+{
+   struct intel_be_device base;
+
+   struct {
+      drm_handle_t handle;
+
+      /* We create a static dri buffer for the frontbuffer.
+       */
+      struct _DriBufferObject *buffer;
+      struct pipe_surface *surface;
+      struct pipe_texture *texture;
+
+      char *map;                   /* memory map */
+      int offset;                  /* from start of video mem, in bytes */
+      int pitch;                   /* row stride, in bytes */
+      int width;
+      int height;
+      int size;
+      int cpp;                     /* for front and back buffers */
+   } front;
+
+   int deviceID;
+   int drmMinor;
+
+   drmI830Sarea *sarea;
+
+   /**
+   * Configuration cache with default values for all contexts
+   */
+   driOptionCache optionCache;
+
+   boolean havePools;
+
+   /**
+    * Temporary(?) context to use for SwapBuffers or other situations in
+    * which we need a rendering context, but none is currently bound.
+    */
+   struct intel_context *dummyContext;
+
+   /*
+    * New stuff form the i915tex integration
+    */
+   unsigned batch_id;
+
+
+   struct pipe_winsys *winsys;
+};
+
+
+
+/** cast wrapper */
+static INLINE struct intel_screen *
+intel_screen(__DRIscreenPrivate *sPriv)
+{
+   return (struct intel_screen *) sPriv->private;
+}
+
+
+extern void
+intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea);
+
+
+extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv);
+
+extern boolean intelUnbindContext(__DRIcontextPrivate * driContextPriv);
+
+extern boolean
+intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
+                 __DRIdrawablePrivate * driDrawPriv,
+                 __DRIdrawablePrivate * driReadPriv);
+
+
+extern boolean
+intelCreatePools(__DRIscreenPrivate *sPriv);
+
+extern boolean
+intelCreateContext(const __GLcontextModes * visual,
+                   __DRIcontextPrivate * driContextPriv,
+                   void *sharedContextPrivate);
+
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/dri/intel_swapbuffers.c b/src/gallium/winsys/drm/intel/dri/intel_swapbuffers.c
new file mode 100644
index 00000000000..8a18bfd9a43
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_swapbuffers.c
@@ -0,0 +1,261 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "intel_screen.h"
+#include "intel_context.h"
+#include "intel_swapbuffers.h"
+
+#include "intel_reg.h"
+
+#include "pipe/p_context.h"
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_context.h"
+#include "state_tracker/st_cb_fbo.h"
+
+#include "ws_dri_bufmgr.h"
+#include "intel_batchbuffer.h"
+
+/**
+ * Display a colorbuffer surface in an X window.
+ * Used for SwapBuffers and flushing front buffer rendering.
+ *
+ * \param dPriv  the window/drawable to display into
+ * \param surf  the surface to display
+ * \param rect  optional subrect of surface to display (may be NULL).
+ */
+void
+intelDisplaySurface(__DRIdrawablePrivate *dPriv,
+                    struct pipe_surface *surf,
+                    const drm_clip_rect_t *rect)
+{
+   struct intel_screen *intelScreen = intel_screen(dPriv->driScreenPriv);
+   struct intel_context *intel = intelScreen->dummyContext;
+
+   DBG(SWAP, "%s\n", __FUNCTION__);
+
+   if (!intel) {
+      /* XXX this is where some kind of extra/meta context could be useful */
+      return;
+   }
+
+   if (intel->last_swap_fence) {
+      driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, TRUE);
+      driFenceUnReference(&intel->last_swap_fence);
+      intel->last_swap_fence = NULL;
+   }
+   intel->last_swap_fence = intel->first_swap_fence;
+   intel->first_swap_fence = NULL;
+
+   /* The LOCK_HARDWARE is required for the cliprects.  Buffer offsets
+    * should work regardless.
+    */
+   LOCK_HARDWARE(intel);
+   /* if this drawable isn't currently bound the LOCK_HARDWARE done on the
+    * current context (which is what intelScreenContext should return) might
+    * not get a contended lock and thus cliprects not updated (tests/manywin)
+    */
+   if (intel_context(dPriv->driContextPriv) != intel)
+      DRI_VALIDATE_DRAWABLE_INFO(intel->driScreen, dPriv);
+
+
+   if (dPriv && dPriv->numClipRects) {
+      const int srcWidth = surf->width;
+      const int srcHeight = surf->height;
+      const int nbox = dPriv->numClipRects;
+      const drm_clip_rect_t *pbox = dPriv->pClipRects;
+      const int pitch = intelScreen->front.pitch / intelScreen->front.cpp;
+      const int cpp = intelScreen->front.cpp;
+      const int srcpitch = surf->stride / cpp;
+      int BR13, CMD;
+      int i;
+
+      ASSERT(surf->buffer);
+      ASSERT(surf->cpp == cpp);
+
+      DBG(SWAP, "screen pitch %d  src surface pitch %d\n",
+	  pitch, surf->stride);
+
+      if (cpp == 2) {
+	 BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24);
+	 CMD = XY_SRC_COPY_BLT_CMD;
+      }
+      else {
+	 BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25);
+	 CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+		XY_SRC_COPY_BLT_WRITE_RGB);
+      }
+
+      for (i = 0; i < nbox; i++, pbox++) {
+	 drm_clip_rect_t box;
+	 drm_clip_rect_t sbox;
+
+	 if (pbox->x1 > pbox->x2 ||
+	     pbox->y1 > pbox->y2 ||
+	     pbox->x2 > intelScreen->front.width ||
+	     pbox->y2 > intelScreen->front.height) {
+            /* invalid cliprect, skip it */
+	    continue;
+         }
+
+	 box = *pbox;
+
+	 if (rect) {
+            /* intersect cliprect with user-provided src rect */
+	    drm_clip_rect_t rrect;
+
+	    rrect.x1 = dPriv->x + rect->x1;
+	    rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y;
+	    rrect.x2 = rect->x2 + rrect.x1;
+	    rrect.y2 = rect->y2 + rrect.y1;
+	    if (rrect.x1 > box.x1)
+	       box.x1 = rrect.x1;
+	    if (rrect.y1 > box.y1)
+	       box.y1 = rrect.y1;
+	    if (rrect.x2 < box.x2)
+	       box.x2 = rrect.x2;
+	    if (rrect.y2 < box.y2)
+	       box.y2 = rrect.y2;
+
+	    if (box.x1 > box.x2 || box.y1 > box.y2)
+	       continue;
+	 }
+
+	 /* restrict blit to size of actually rendered area */
+	 if (box.x2 - box.x1 > srcWidth)
+	    box.x2 = srcWidth + box.x1;
+	 if (box.y2 - box.y1 > srcHeight)
+	    box.y2 = srcHeight + box.y1;
+
+	 DBG(SWAP, "box x1 x2 y1 y2 %d %d %d %d\n",
+	     box.x1, box.x2, box.y1, box.y2);
+
+	 sbox.x1 = box.x1 - dPriv->x;
+	 sbox.y1 = box.y1 - dPriv->y;
+
+         assert(box.x1 < box.x2);
+         assert(box.y1 < box.y2);
+
+         /* XXX this could be done with pipe->surface_copy() */
+	 /* XXX should have its own batch buffer */
+	 if (!BEGIN_BATCH(8, 2)) {
+	    /*
+	     * Since we share this batch buffer with a context
+	     * we can't flush it since that risks a GPU lockup
+	     */
+	    assert(0);
+	    continue;
+	 }
+
+	 OUT_BATCH(CMD);
+	 OUT_BATCH(BR13);
+	 OUT_BATCH((box.y1 << 16) | box.x1);
+	 OUT_BATCH((box.y2 << 16) | box.x2);
+
+	 OUT_RELOC(intelScreen->front.buffer,
+		   DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE,
+		   DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0);
+	 OUT_BATCH((sbox.y1 << 16) | sbox.x1);
+	 OUT_BATCH((srcpitch * cpp) & 0xffff);
+	 OUT_RELOC(dri_bo(surf->buffer),
+                   DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ,
+		   DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, 0);
+
+      }
+
+      if (intel->first_swap_fence)
+	 driFenceUnReference(&intel->first_swap_fence);
+      intel->first_swap_fence = intel_be_batchbuffer_flush(intel->base.batch);
+   }
+
+   UNLOCK_HARDWARE(intel);
+
+   if (intel->lastStamp != dPriv->lastStamp) {
+      intelUpdateWindowSize(dPriv);
+      intel->lastStamp = dPriv->lastStamp;
+   }
+}
+
+
+
+/**
+ * This will be called whenever the currently bound window is moved/resized.
+ */
+void
+intelUpdateWindowSize(__DRIdrawablePrivate *dPriv)
+{
+   struct intel_framebuffer *intelfb = intel_framebuffer(dPriv);
+   assert(intelfb->stfb);
+   st_resize_framebuffer(intelfb->stfb, dPriv->w, dPriv->h);
+}
+
+
+
+void
+intelSwapBuffers(__DRIdrawablePrivate * dPriv)
+{
+   struct intel_framebuffer *intel_fb = intel_framebuffer(dPriv);
+   struct pipe_surface *back_surf;
+
+   assert(intel_fb);
+   assert(intel_fb->stfb);
+
+   back_surf = st_get_framebuffer_surface(intel_fb->stfb,
+                                          ST_SURFACE_BACK_LEFT);
+   if (back_surf) {
+      st_notify_swapbuffers(intel_fb->stfb);
+      intelDisplaySurface(dPriv, back_surf, NULL);
+      st_notify_swapbuffers_complete(intel_fb->stfb);
+   }
+}
+
+
+/**
+ * Called via glXCopySubBufferMESA() to copy a subrect of the back
+ * buffer to the front buffer/screen.
+ */
+void
+intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h)
+{
+   struct intel_framebuffer *intel_fb = intel_framebuffer(dPriv);
+   struct pipe_surface *back_surf;
+
+   assert(intel_fb);
+   assert(intel_fb->stfb);
+
+   back_surf = st_get_framebuffer_surface(intel_fb->stfb,
+                                          ST_SURFACE_BACK_LEFT);
+   if (back_surf) {
+      drm_clip_rect_t rect;
+      rect.x1 = x;
+      rect.y1 = y;
+      rect.x2 = w;
+      rect.y2 = h;
+
+      st_notify_swapbuffers(intel_fb->stfb);
+      intelDisplaySurface(dPriv, back_surf, &rect);
+   }
+}
diff --git a/src/gallium/winsys/drm/intel/dri/intel_swapbuffers.h b/src/gallium/winsys/drm/intel/dri/intel_swapbuffers.h
new file mode 100644
index 00000000000..46c9bab3af2
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_swapbuffers.h
@@ -0,0 +1,47 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_SWAPBUFFERS_H
+#define INTEL_SWAPBUFFERS_H
+
+
+struct pipe_surface;
+
+
+extern void intelDisplaySurface(__DRIdrawablePrivate * dPriv,
+                                struct pipe_surface *surf,
+                                const drm_clip_rect_t * rect);
+
+extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv);
+
+extern void intelCopySubBuffer(__DRIdrawablePrivate * dPriv,
+                               int x, int y, int w, int h);
+
+extern void intelUpdateWindowSize(__DRIdrawablePrivate *dPriv);
+
+
+#endif /* INTEL_SWAPBUFFERS_H */
diff --git a/src/gallium/winsys/drm/intel/dri/intel_winsys_softpipe.c b/src/gallium/winsys/drm/intel/dri/intel_winsys_softpipe.c
new file mode 100644
index 00000000000..0d98d16cf1f
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_winsys_softpipe.c
@@ -0,0 +1,82 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ */
+
+#include "intel_context.h"
+#include "intel_winsys_softpipe.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_util.h"
+#include "pipe/p_format.h"
+#include "softpipe/sp_winsys.h"
+
+
+struct intel_softpipe_winsys {
+   struct softpipe_winsys sws;
+   struct intel_context *intel;
+};
+
+/**
+ * Return list of surface formats supported by this driver.
+ */
+static boolean
+intel_is_format_supported(struct softpipe_winsys *sws,
+                          enum pipe_format format)
+{
+   switch(format) {
+   case PIPE_FORMAT_A8R8G8B8_UNORM:
+   case PIPE_FORMAT_R5G6B5_UNORM:
+   case PIPE_FORMAT_S8Z24_UNORM:
+      return TRUE;
+   default:
+      return FALSE;
+   }
+}
+
+
+/**
+ * Create rendering context which uses software rendering.
+ */
+struct pipe_context *
+intel_create_softpipe( struct intel_context *intel,
+                       struct pipe_winsys *winsys )
+{
+   struct intel_softpipe_winsys *isws = CALLOC_STRUCT( intel_softpipe_winsys );
+   struct pipe_screen *screen = softpipe_create_screen(winsys);
+
+   /* Fill in this struct with callbacks that softpipe will need to
+    * communicate with the window system, buffer manager, etc.
+    */
+   isws->sws.is_format_supported = intel_is_format_supported;
+   isws->intel = intel;
+
+   /* Create the softpipe context:
+    */
+   return softpipe_create( screen, winsys, &isws->sws );
+}
diff --git a/src/gallium/winsys/drm/intel/dri/intel_winsys_softpipe.h b/src/gallium/winsys/drm/intel/dri/intel_winsys_softpipe.h
new file mode 100644
index 00000000000..5fa14cb7497
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/intel_winsys_softpipe.h
@@ -0,0 +1,39 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_SOFTPIPE_H
+#define INTEL_SOFTPIPE_H
+
+struct pipe_winsys;
+struct pipe_context;
+struct intel_context;
+
+struct pipe_context *
+intel_create_softpipe( struct intel_context *intel,
+                       struct pipe_winsys *winsys );
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/dri/server/i830_common.h b/src/gallium/winsys/drm/intel/dri/server/i830_common.h
new file mode 100644
index 00000000000..3452ddb3c90
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/server/i830_common.h
@@ -0,0 +1,255 @@
+/**************************************************************************
+
+Copyright 2001 VA Linux Systems Inc., Fremont, California.
+Copyright 2002 Tungsten Graphics Inc., Cedar Park, Texas.
+
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, sub
+license, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ATI, VA LINUX SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+
+#ifndef _I830_COMMON_H_
+#define _I830_COMMON_H_
+
+
+#define I830_NR_TEX_REGIONS 255	/* maximum due to use of chars for next/prev */
+#define I830_LOG_MIN_TEX_REGION_SIZE 14
+
+
+/* Driver specific DRM command indices
+ * NOTE: these are not OS specific, but they are driver specific
+ */
+#define DRM_I830_INIT                     0x00
+#define DRM_I830_FLUSH                    0x01
+#define DRM_I830_FLIP                     0x02
+#define DRM_I830_BATCHBUFFER              0x03
+#define DRM_I830_IRQ_EMIT                 0x04
+#define DRM_I830_IRQ_WAIT                 0x05
+#define DRM_I830_GETPARAM                 0x06
+#define DRM_I830_SETPARAM                 0x07
+#define DRM_I830_ALLOC                    0x08
+#define DRM_I830_FREE                     0x09
+#define DRM_I830_INIT_HEAP                0x0a
+#define DRM_I830_CMDBUFFER                0x0b
+#define DRM_I830_DESTROY_HEAP             0x0c
+#define DRM_I830_SET_VBLANK_PIPE          0x0d
+#define DRM_I830_GET_VBLANK_PIPE          0x0e
+#define DRM_I830_MMIO		       	  0x10
+
+typedef struct {
+   enum {
+      I830_INIT_DMA = 0x01,
+      I830_CLEANUP_DMA = 0x02,
+      I830_RESUME_DMA = 0x03
+   } func;
+   unsigned int mmio_offset;
+   int sarea_priv_offset;
+   unsigned int ring_start;
+   unsigned int ring_end;
+   unsigned int ring_size;
+   unsigned int front_offset;
+   unsigned int back_offset;
+   unsigned int depth_offset;
+   unsigned int w;
+   unsigned int h;
+   unsigned int pitch;
+   unsigned int pitch_bits;
+   unsigned int back_pitch;
+   unsigned int depth_pitch;
+   unsigned int cpp;
+   unsigned int chipset;
+} drmI830Init;
+
+typedef struct {
+	drmTextureRegion texList[I830_NR_TEX_REGIONS+1];
+        int last_upload;	/* last time texture was uploaded */
+        int last_enqueue;	/* last time a buffer was enqueued */
+	int last_dispatch;	/* age of the most recently dispatched buffer */
+	int ctxOwner;		/* last context to upload state */
+	/** Last context that used the buffer manager. */
+	int texAge;
+        int pf_enabled;		/* is pageflipping allowed? */
+        int pf_active;
+        int pf_current_page;	/* which buffer is being displayed? */
+        int perf_boxes;	        /* performance boxes to be displayed */
+	int width, height;      /* screen size in pixels */
+
+	drm_handle_t front_handle;
+	int front_offset;
+	int front_size;
+
+	drm_handle_t back_handle;
+	int back_offset;
+	int back_size;
+
+	drm_handle_t depth_handle;
+	int depth_offset;
+	int depth_size;
+
+	drm_handle_t tex_handle;
+	int tex_offset;
+	int tex_size;
+	int log_tex_granularity;
+	int pitch;
+	int rotation;           /* 0, 90, 180 or 270 */
+	int rotated_offset;
+	int rotated_size;
+	int rotated_pitch;
+	int virtualX, virtualY;
+
+	unsigned int front_tiled;
+	unsigned int back_tiled;
+	unsigned int depth_tiled;
+	unsigned int rotated_tiled;
+	unsigned int rotated2_tiled;
+
+	int planeA_x;
+	int planeA_y;
+	int planeA_w;
+	int planeA_h;
+	int planeB_x;
+	int planeB_y;
+	int planeB_w;
+	int planeB_h;
+
+	/* Triple buffering */
+	drm_handle_t third_handle;
+	int third_offset;
+	int third_size;
+	unsigned int third_tiled;
+
+	/* buffer object handles for the static buffers.  May change
+	 * over the lifetime of the client, though it doesn't in our current
+	 * implementation.
+	 */
+	unsigned int front_bo_handle;
+	unsigned int back_bo_handle;
+	unsigned int third_bo_handle;
+	unsigned int depth_bo_handle;
+} drmI830Sarea;
+
+/* Flags for perf_boxes
+ */
+#define I830_BOX_RING_EMPTY    0x1 /* populated by kernel */
+#define I830_BOX_FLIP          0x2 /* populated by kernel */
+#define I830_BOX_WAIT          0x4 /* populated by kernel & client */
+#define I830_BOX_TEXTURE_LOAD  0x8 /* populated by kernel */
+#define I830_BOX_LOST_CONTEXT  0x10 /* populated by client */
+
+
+typedef struct {
+   	int start;		/* agp offset */
+	int used;		/* nr bytes in use */
+	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
+        int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO*/
+	int num_cliprects;	/* mulitpass with multiple cliprects? */
+        drm_clip_rect_t *cliprects; /* pointer to userspace cliprects */
+} drmI830BatchBuffer;
+
+typedef struct {
+   	char *buf;		/* agp offset */
+	int sz; 		/* nr bytes in use */
+	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
+        int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO*/
+	int num_cliprects;	/* mulitpass with multiple cliprects? */
+        drm_clip_rect_t *cliprects; /* pointer to userspace cliprects */
+} drmI830CmdBuffer;
+
+typedef struct {
+	int *irq_seq;
+} drmI830IrqEmit;
+
+typedef struct {
+	int irq_seq;
+} drmI830IrqWait;
+
+typedef struct {
+	int param;
+	int *value;
+} drmI830GetParam;
+
+#define I830_PARAM_IRQ_ACTIVE     1
+#define I830_PARAM_ALLOW_BATCHBUFFER   2
+
+typedef struct {
+	int param;
+	int value;
+} drmI830SetParam;
+
+#define I830_SETPARAM_USE_MI_BATCHBUFFER_START  1
+#define I830_SETPARAM_TEX_LRU_LOG_GRANULARITY   2
+#define I830_SETPARAM_ALLOW_BATCHBUFFER         3
+
+
+/* A memory manager for regions of shared memory:
+ */
+#define I830_MEM_REGION_AGP 1
+
+typedef struct {
+	int region;
+	int alignment;
+	int size;
+	int *region_offset;	/* offset from start of fb or agp */
+} drmI830MemAlloc;
+
+typedef struct {
+	int region;
+	int region_offset;
+} drmI830MemFree;
+
+typedef struct {
+	int region;
+	int size;
+	int start;	
+} drmI830MemInitHeap;
+
+typedef struct {
+	int region;
+} drmI830MemDestroyHeap;
+
+#define DRM_I830_VBLANK_PIPE_A  1
+#define DRM_I830_VBLANK_PIPE_B  2
+
+typedef struct {
+        int pipe;
+} drmI830VBlankPipe;
+
+#define MMIO_READ  0
+#define MMIO_WRITE 1
+
+#define MMIO_REGS_IA_PRIMATIVES_COUNT           0
+#define MMIO_REGS_IA_VERTICES_COUNT             1
+#define MMIO_REGS_VS_INVOCATION_COUNT           2
+#define MMIO_REGS_GS_PRIMITIVES_COUNT           3
+#define MMIO_REGS_GS_INVOCATION_COUNT           4
+#define MMIO_REGS_CL_PRIMITIVES_COUNT           5
+#define MMIO_REGS_CL_INVOCATION_COUNT           6
+#define MMIO_REGS_PS_INVOCATION_COUNT           7
+#define MMIO_REGS_PS_DEPTH_COUNT                8
+
+typedef struct {
+        unsigned int read_write:1;
+        unsigned int reg:31;
+        void __user *data;
+} drmI830MMIO;
+
+#endif /* _I830_DRM_H_ */
diff --git a/src/gallium/winsys/drm/intel/dri/server/i830_dri.h b/src/gallium/winsys/drm/intel/dri/server/i830_dri.h
new file mode 100644
index 00000000000..0d514b6c38f
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/dri/server/i830_dri.h
@@ -0,0 +1,62 @@
+
+#ifndef _I830_DRI_H
+#define _I830_DRI_H
+
+#include "xf86drm.h"
+#include "i830_common.h"
+
+#define I830_MAX_DRAWABLES 256
+
+#define I830_MAJOR_VERSION 1
+#define I830_MINOR_VERSION 7
+#define I830_PATCHLEVEL 2
+
+#define I830_REG_SIZE 0x80000
+
+typedef struct _I830DRIRec {
+   drm_handle_t regs;
+   drmSize regsSize;
+
+   drmSize unused1; /* backbufferSize */
+   drm_handle_t unused2; /* backbuffer */
+
+   drmSize unused3; /* depthbufferSize */
+   drm_handle_t unused4; /* depthbuffer */
+
+   drmSize unused5; /* rotatedSize */
+   drm_handle_t unused6; /* rotatedbuffer */
+
+   drm_handle_t unused7; /* textures */
+   int unused8; /* textureSize */
+
+   drm_handle_t unused9; /* agp_buffers */
+   drmSize unused10; /* agp_buf_size */
+
+   int deviceID;
+   int width;
+   int height;
+   int mem;
+   int cpp;
+   int bitsPerPixel;
+
+   int unused11[8]; /* was front/back/depth/rotated offset/pitch */
+
+   int unused12; /* logTextureGranularity */
+   int unused13; /* textureOffset */
+
+   int irq;
+   int sarea_priv_offset;
+} I830DRIRec, *I830DRIPtr;
+
+typedef struct {
+   /* Nothing here yet */
+   int dummy;
+} I830ConfigPrivRec, *I830ConfigPrivPtr;
+
+typedef struct {
+   /* Nothing here yet */
+   int dummy;
+} I830DRIContextRec, *I830DRIContextPtr;
+
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/egl/Makefile b/src/gallium/winsys/drm/intel/egl/Makefile
new file mode 100644
index 00000000000..f0b5a443894
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/Makefile
@@ -0,0 +1,28 @@
+TOP = ../../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = EGL_i915.so
+
+PIPE_DRIVERS = \
+	$(TOP)/src/gallium/drivers/softpipe/libsoftpipe.a \
+	$(TOP)/src/gallium/drivers/i915simple/libi915simple.a \
+	../common/libinteldrm.a
+
+DRIVER_SOURCES = \
+	intel_swapbuffers.c \
+	intel_context.c \
+	intel_device.c \
+	intel_egl.c
+
+C_SOURCES = \
+	$(COMMON_GALLIUM_SOURCES) \
+	$(DRIVER_SOURCES)
+
+ASM_SOURCES = 
+
+DRIVER_DEFINES = -I../common $(shell pkg-config libdrm --atleast-version=2.3.1 \
+				&& echo "-DDRM_VBLANK_FLIP=DRM_VBLANK_FLIP")
+
+include ../../Makefile.template
+
+symlinks:
diff --git a/src/gallium/winsys/drm/intel/egl/SConscript b/src/gallium/winsys/drm/intel/egl/SConscript
new file mode 100644
index 00000000000..0ad19d42a85
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/SConscript
@@ -0,0 +1,39 @@
+Import('*')
+
+env = drienv.Clone()
+
+env.Append(CPPPATH = [
+	'../intel',
+	'server'
+])
+
+#MINIGLX_SOURCES = server/intel_dri.c
+
+DRIVER_SOURCES = [
+	'intel_winsys_pipe.c',
+	'intel_winsys_softpipe.c',
+	'intel_winsys_i915.c',
+	'intel_batchbuffer.c',
+	'intel_swapbuffers.c',
+	'intel_context.c',
+	'intel_lock.c',
+	'intel_screen.c',
+	'intel_batchpool.c',
+]
+
+sources = \
+	COMMON_GALLIUM_SOURCES + \
+	COMMON_BM_SOURCES + \
+	DRIVER_SOURCES
+
+drivers = [
+	softpipe,
+	i915simple
+]
+
+# TODO: write a wrapper function http://www.scons.org/wiki/WrapperFunctions
+env.SharedLibrary(
+	target ='i915tex_dri.so',
+	source = sources,
+	LIBS = drivers + mesa + auxiliaries + env['LIBS'],
+)
\ No newline at end of file
diff --git a/src/gallium/winsys/drm/intel/egl/intel_batchbuffer.h b/src/gallium/winsys/drm/intel/egl/intel_batchbuffer.h
new file mode 100644
index 00000000000..3e953261689
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_batchbuffer.h
@@ -0,0 +1,24 @@
+#ifndef INTEL_BATCHBUFFER_H
+#define INTEL_BATCHBUFFER_H
+
+#include "intel_be_batchbuffer.h"
+
+/*
+ * Need to redefine the BATCH defines
+ */
+
+#undef BEGIN_BATCH
+#define BEGIN_BATCH(dwords, relocs) \
+   (i915_batchbuffer_check(&intel->base.batch->base, dwords, relocs))
+
+#undef OUT_BATCH
+#define OUT_BATCH(d) \
+   i915_batchbuffer_dword(&intel->base.batch->base, d)
+
+#undef OUT_RELOC
+#define OUT_RELOC(buf,flags,mask,delta) do { 					\
+   assert((delta) >= 0);							\
+   intel_be_offset_relocation(intel->base.batch, delta, buf, flags, mask); 	\
+} while (0)
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/egl/intel_context.c b/src/gallium/winsys/drm/intel/egl/intel_context.c
new file mode 100644
index 00000000000..927addb834c
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_context.c
@@ -0,0 +1,242 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "i915simple/i915_screen.h"
+
+#include "intel_device.h"
+#include "intel_context.h"
+#include "intel_batchbuffer.h"
+
+#include "state_tracker/st_public.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_context.h"
+#include "intel_egl.h"
+#include "utils.h"
+
+#ifdef DEBUG
+int __intel_debug = 0;
+#endif
+
+
+#define need_GL_ARB_multisample
+#define need_GL_ARB_point_parameters
+#define need_GL_ARB_texture_compression
+#define need_GL_ARB_vertex_buffer_object
+#define need_GL_ARB_vertex_program
+#define need_GL_ARB_window_pos
+#define need_GL_EXT_blend_color
+#define need_GL_EXT_blend_equation_separate
+#define need_GL_EXT_blend_func_separate
+#define need_GL_EXT_blend_minmax
+#define need_GL_EXT_cull_vertex
+#define need_GL_EXT_fog_coord
+#define need_GL_EXT_framebuffer_object
+#define need_GL_EXT_multi_draw_arrays
+#define need_GL_EXT_secondary_color
+#define need_GL_NV_vertex_program
+#include "extension_helper.h"
+
+
+/**
+ * Extension strings exported by the intel driver.
+ *
+ * \note
+ * It appears that ARB_texture_env_crossbar has "disappeared" compared to the
+ * old i830-specific driver.
+ */
+const struct dri_extension card_extensions[] = {
+	{"GL_ARB_multisample", GL_ARB_multisample_functions},
+	{"GL_ARB_multitexture", NULL},
+	{"GL_ARB_point_parameters", GL_ARB_point_parameters_functions},
+	{"GL_ARB_texture_border_clamp", NULL},
+	{"GL_ARB_texture_compression", GL_ARB_texture_compression_functions},
+	{"GL_ARB_texture_cube_map", NULL},
+	{"GL_ARB_texture_env_add", NULL},
+	{"GL_ARB_texture_env_combine", NULL},
+	{"GL_ARB_texture_env_dot3", NULL},
+	{"GL_ARB_texture_mirrored_repeat", NULL},
+	{"GL_ARB_texture_rectangle", NULL},
+	{"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions},
+	{"GL_ARB_pixel_buffer_object", NULL},
+	{"GL_ARB_vertex_program", GL_ARB_vertex_program_functions},
+	{"GL_ARB_window_pos", GL_ARB_window_pos_functions},
+	{"GL_EXT_blend_color", GL_EXT_blend_color_functions},
+	{"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions},
+	{"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions},
+	{"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions},
+	{"GL_EXT_blend_subtract", NULL},
+	{"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions},
+	{"GL_EXT_fog_coord", GL_EXT_fog_coord_functions},
+	{"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
+	{"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions},
+	{"GL_EXT_packed_depth_stencil", NULL},
+	{"GL_EXT_pixel_buffer_object", NULL},
+	{"GL_EXT_secondary_color", GL_EXT_secondary_color_functions},
+	{"GL_EXT_stencil_wrap", NULL},
+	{"GL_EXT_texture_edge_clamp", NULL},
+	{"GL_EXT_texture_env_combine", NULL},
+	{"GL_EXT_texture_env_dot3", NULL},
+	{"GL_EXT_texture_filter_anisotropic", NULL},
+	{"GL_EXT_texture_lod_bias", NULL},
+	{"GL_3DFX_texture_compression_FXT1", NULL},
+	{"GL_APPLE_client_storage", NULL},
+	{"GL_MESA_pack_invert", NULL},
+	{"GL_MESA_ycbcr_texture", NULL},
+	{"GL_NV_blend_square", NULL},
+	{"GL_NV_vertex_program", GL_NV_vertex_program_functions},
+	{"GL_NV_vertex_program1_1", NULL},
+	{"GL_SGIS_generate_mipmap", NULL },
+	{NULL, NULL}
+};
+
+
+/*
+ * Hardware lock functions.
+ * Doesn't do anything in EGL
+ */
+
+static void
+intel_lock_hardware(struct intel_be_context *context)
+{
+	(void)context;
+}
+
+static void
+intel_unlock_hardware(struct intel_be_context *context)
+{
+	(void)context;
+}
+
+static boolean
+intel_locked_hardware(struct intel_be_context *context)
+{
+	(void)context;
+	return FALSE;
+}
+
+
+/*
+ * Misc functions.
+ */
+
+int
+intel_create_context(struct egl_drm_context *egl_context, const __GLcontextModes *visual, void *sharedContextPrivate)
+{
+	struct intel_context *intel = CALLOC_STRUCT(intel_context);
+	struct intel_device *device = (struct intel_device *)egl_context->device->priv;
+	struct pipe_context *pipe;
+	struct st_context *st_share = NULL;
+
+	egl_context->priv = intel;
+
+	intel->intel_device = device;
+	intel->egl_context = egl_context;
+	intel->egl_device = egl_context->device;
+
+	intel->base.hardware_lock = intel_lock_hardware;
+	intel->base.hardware_unlock = intel_unlock_hardware;
+	intel->base.hardware_locked = intel_locked_hardware;
+
+	intel_be_init_context(&intel->base, &device->base);
+
+#if 0
+	pipe = intel_create_softpipe(intel, screen->winsys);
+#else
+	pipe = i915_create_context(device->pipe, &device->base.base, &intel->base.base);
+#endif
+
+	pipe->priv = intel;
+
+	intel->st = st_create_context(pipe, visual, st_share);
+
+	device->dummy = intel;
+
+	return TRUE;
+}
+
+int
+intel_destroy_context(struct egl_drm_context *egl_context)
+{
+	struct intel_context *intel = egl_context->priv;
+
+	if (intel->intel_device->dummy == intel)
+		intel->intel_device->dummy = NULL;
+
+	st_destroy_context(intel->st);
+	intel_be_destroy_context(&intel->base);
+	free(intel);
+	return TRUE;
+}
+
+void
+intel_make_current(struct egl_drm_context *context, struct egl_drm_drawable *draw, struct egl_drm_drawable *read)
+{
+	if (context) {
+		struct intel_context *intel = (struct intel_context *)context->priv;
+		struct intel_framebuffer *draw_fb = (struct intel_framebuffer *)draw->priv;
+		struct intel_framebuffer *read_fb = (struct intel_framebuffer *)read->priv;
+
+		assert(draw_fb->stfb);
+		assert(read_fb->stfb);
+
+		st_make_current(intel->st, draw_fb->stfb, read_fb->stfb);
+
+		intel->egl_drawable = draw;
+
+		st_resize_framebuffer(draw_fb->stfb, draw->w, draw->h);
+
+		if (draw != read)
+			st_resize_framebuffer(read_fb->stfb, read->w, read->h);
+
+	} else {
+		st_make_current(NULL, NULL, NULL);
+	}
+}
+
+void
+intel_bind_frontbuffer(struct egl_drm_drawable *draw, struct egl_drm_frontbuffer *front)
+{
+	struct intel_device *device = (struct intel_device *)draw->device->priv;
+	struct intel_framebuffer *draw_fb = (struct intel_framebuffer *)draw->priv;
+
+	if (draw_fb->front_buffer)
+		driBOUnReference(draw_fb->front_buffer);
+
+	draw_fb->front_buffer = NULL;
+	draw_fb->front = NULL;
+
+	/* to unbind just call this function with front == NULL */
+	if (!front)
+		return;
+
+	draw_fb->front = front;
+
+	driGenBuffers(device->base.staticPool, "front", 1, &draw_fb->front_buffer, 0, 0, 0);
+	driBOSetReferenced(draw_fb->front_buffer, front->handle);
+
+	st_resize_framebuffer(draw_fb->stfb, draw->w, draw->h);
+}
diff --git a/src/gallium/winsys/drm/intel/egl/intel_context.h b/src/gallium/winsys/drm/intel/egl/intel_context.h
new file mode 100644
index 00000000000..477fdec7f70
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_context.h
@@ -0,0 +1,118 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_CONTEXT_H
+#define INTEL_CONTEXT_H
+
+#include "pipe/p_debug.h"
+#include "intel_be_context.h"
+
+
+struct st_context;
+struct egl_drm_device;
+struct egl_drm_context;
+struct egl_drm_frontbuffer;
+
+
+/**
+ * Intel rendering context, contains a state tracker and intel-specific info.
+ */
+struct intel_context
+{
+	struct intel_be_context base;
+
+	struct st_context *st;
+
+	struct intel_device *intel_device;
+
+	/* new egl stuff */
+	struct egl_drm_device *egl_device;
+	struct egl_drm_context *egl_context;
+	struct egl_drm_drawable *egl_drawable;
+};
+
+
+
+/**
+ * Intel framebuffer.
+ */
+struct intel_framebuffer
+{
+	struct st_framebuffer *stfb;
+
+	struct intel_device *device;
+	struct _DriBufferObject *front_buffer;
+	struct egl_drm_frontbuffer *front;
+};
+
+
+
+
+/* These are functions now:
+ */
+void LOCK_HARDWARE( struct intel_context *intel );
+void UNLOCK_HARDWARE( struct intel_context *intel );
+
+extern char *__progname;
+
+
+
+/* ================================================================
+ * Debugging:
+ */
+#ifdef DEBUG
+extern int __intel_debug;
+
+#define DEBUG_SWAP	0x1
+#define DEBUG_LOCK      0x2
+#define DEBUG_IOCTL	0x4
+#define DEBUG_BATCH     0x8
+
+#define DBG(flag, ...)  do { 			\
+   if (__intel_debug & (DEBUG_##flag)) 		\
+      printf(__VA_ARGS__); 		\
+} while(0)
+
+#else
+#define DBG(flag, ...)
+#endif
+
+
+#define PCI_CHIP_845_G			0x2562
+#define PCI_CHIP_I830_M			0x3577
+#define PCI_CHIP_I855_GM		0x3582
+#define PCI_CHIP_I865_G			0x2572
+#define PCI_CHIP_I915_G			0x2582
+#define PCI_CHIP_I915_GM		0x2592
+#define PCI_CHIP_I945_G			0x2772
+#define PCI_CHIP_I945_GM		0x27A2
+#define PCI_CHIP_I945_GME		0x27AE
+#define PCI_CHIP_G33_G			0x29C2
+#define PCI_CHIP_Q35_G			0x29B2
+#define PCI_CHIP_Q33_G			0x29D2
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/egl/intel_device.c b/src/gallium/winsys/drm/intel/egl/intel_device.c
new file mode 100644
index 00000000000..b9649cbec71
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_device.c
@@ -0,0 +1,137 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "utils.h"
+
+#include "state_tracker/st_public.h"
+#include "i915simple/i915_screen.h"
+
+#include "intel_context.h"
+#include "intel_device.h"
+#include "intel_batchbuffer.h"
+#include "intel_egl.h"
+
+
+extern const struct dri_extension card_extensions[];
+
+
+int
+intel_create_device(struct egl_drm_device *device)
+{
+	struct intel_device *intel_device;
+
+	/* Allocate the private area */
+	intel_device = CALLOC_STRUCT(intel_device);
+	if (!intel_device)
+		return FALSE;
+
+	device->priv = (void *)intel_device;
+	intel_device->device = device;
+
+	intel_device->deviceID = device->deviceID;
+
+	intel_be_init_device(&intel_device->base, device->drmFD, intel_device->deviceID);
+
+	intel_device->pipe = i915_create_screen(&intel_device->base.base, intel_device->deviceID);
+
+	/* hack */
+	driInitExtensions(NULL, card_extensions, GL_FALSE);
+
+	return TRUE;
+}
+
+int
+intel_destroy_device(struct egl_drm_device *device)
+{
+	struct intel_device *intel_device = (struct intel_device *)device->priv;
+	
+	intel_be_destroy_device(&intel_device->base);
+
+	free(intel_device);
+	device->priv = NULL;
+
+	return TRUE;
+}
+
+int
+intel_create_drawable(struct egl_drm_drawable *drawable,
+                      const __GLcontextModes * visual)
+{
+	enum pipe_format colorFormat, depthFormat, stencilFormat;
+	struct intel_framebuffer *intelfb = CALLOC_STRUCT(intel_framebuffer);
+
+	if (!intelfb)
+		return GL_FALSE;
+
+	intelfb->device = drawable->device->priv;
+
+	if (visual->redBits == 5)
+		colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
+	else
+		colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
+
+	if (visual->depthBits == 16)
+		depthFormat = PIPE_FORMAT_Z16_UNORM;
+	else if (visual->depthBits == 24)
+		depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+	else
+		depthFormat = PIPE_FORMAT_NONE;
+
+	if (visual->stencilBits == 8)
+		stencilFormat = PIPE_FORMAT_S8Z24_UNORM;
+	else
+		stencilFormat = PIPE_FORMAT_NONE;
+
+	intelfb->stfb = st_create_framebuffer(visual,
+			colorFormat,
+			depthFormat,
+			stencilFormat,
+			drawable->w,
+			drawable->h,
+			(void*) intelfb);
+
+	if (!intelfb->stfb) {
+		free(intelfb);
+		return GL_FALSE;
+	}
+
+	drawable->priv = (void *) intelfb;
+	return GL_TRUE;
+}
+
+int
+intel_destroy_drawable(struct egl_drm_drawable *drawable)
+{
+	struct intel_framebuffer *intelfb = (struct intel_framebuffer *)drawable->priv;
+	drawable->priv = NULL;
+
+	assert(intelfb->stfb);
+	st_unreference_framebuffer(&intelfb->stfb);
+	free(intelfb);
+	return TRUE;
+}
diff --git a/src/gallium/winsys/drm/intel/egl/intel_device.h b/src/gallium/winsys/drm/intel/egl/intel_device.h
new file mode 100644
index 00000000000..323a7c2aef7
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_device.h
@@ -0,0 +1,50 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef _INTEL_SCREEN_H_
+#define _INTEL_SCREEN_H_
+
+#include "intel_be_device.h"
+
+#include "pipe/p_compiler.h"
+
+struct pipe_screen;
+struct egl_drm_device;
+struct intel_context;
+
+struct intel_device
+{
+	struct intel_be_device base;
+	struct pipe_screen *pipe;
+
+	int deviceID;
+	struct egl_drm_device *device;
+
+	struct intel_context *dummy;
+};
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/egl/intel_egl.c b/src/gallium/winsys/drm/intel/egl/intel_egl.c
new file mode 100644
index 00000000000..b89c5c508ac
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_egl.c
@@ -0,0 +1,796 @@
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdint.h>
+
+#include "eglconfig.h"
+#include "eglcontext.h"
+#include "egldisplay.h"
+#include "egldriver.h"
+#include "eglglobals.h"
+#include "eglmode.h"
+#include "eglscreen.h"
+#include "eglsurface.h"
+#include "egllog.h"
+
+#include "intel_egl.h"
+
+#include "xf86drm.h"
+#include "xf86drmMode.h"
+
+#include "intel_context.h"
+
+#include "state_tracker/st_public.h"
+
+#define MAX_SCREENS 16
+
+static void
+drm_get_device_id(struct egl_drm_device *device)
+{
+	char path[512];
+	FILE *file;
+
+	/* TODO get the real minor */
+	int minor = 0;
+
+	snprintf(path, sizeof(path), "/sys/class/drm/card%d/device/device", minor);
+	file = fopen(path, "r");
+	if (!file) {
+		_eglLog(_EGL_WARNING, "Could not retrive device ID\n");
+		return;
+	}
+
+	fgets(path, sizeof( path ), file);
+	sscanf(path, "%x", &device->deviceID);
+	fclose(file);
+}
+
+static struct egl_drm_device*
+egl_drm_create_device(int drmFD)
+{
+	struct egl_drm_device *device = malloc(sizeof(*device));
+	memset(device, 0, sizeof(*device));
+	device->drmFD = drmFD;
+
+	device->version = drmGetVersion(device->drmFD);
+
+	drm_get_device_id(device);
+
+	if (!intel_create_device(device)) {
+		free(device);
+		return NULL;
+	}
+
+	return device;
+}
+
+static void
+_egl_context_modes_destroy(__GLcontextModes *modes)
+{
+   _eglLog(_EGL_DEBUG, "%s", __FUNCTION__);
+
+   while (modes) {
+      __GLcontextModes * const next = modes->next;
+      free(modes);
+      modes = next;
+   }
+}
+/**
+ * Create a linked list of 'count' GLcontextModes.
+ * These are used during the client/server visual negotiation phase,
+ * then discarded.
+ */
+static __GLcontextModes *
+_egl_context_modes_create(unsigned count, size_t minimum_size)
+{
+   /* This code copied from libGLX, and modified */
+   const size_t size = (minimum_size > sizeof(__GLcontextModes))
+       ? minimum_size : sizeof(__GLcontextModes);
+   __GLcontextModes * head = NULL;
+   __GLcontextModes ** next;
+   unsigned   i;
+
+   _eglLog(_EGL_DEBUG, "%s %d %d", __FUNCTION__, count, minimum_size);
+
+   next = & head;
+   for (i = 0 ; i < count ; i++) {
+      *next = (__GLcontextModes *) calloc(1, size);
+      if (*next == NULL) {
+	 _egl_context_modes_destroy(head);
+	 head = NULL;
+	 break;
+      }
+      
+      (*next)->doubleBufferMode = 1;
+      (*next)->visualID = GLX_DONT_CARE;
+      (*next)->visualType = GLX_DONT_CARE;
+      (*next)->visualRating = GLX_NONE;
+      (*next)->transparentPixel = GLX_NONE;
+      (*next)->transparentRed = GLX_DONT_CARE;
+      (*next)->transparentGreen = GLX_DONT_CARE;
+      (*next)->transparentBlue = GLX_DONT_CARE;
+      (*next)->transparentAlpha = GLX_DONT_CARE;
+      (*next)->transparentIndex = GLX_DONT_CARE;
+      (*next)->xRenderable = GLX_DONT_CARE;
+      (*next)->fbconfigID = GLX_DONT_CARE;
+      (*next)->swapMethod = GLX_SWAP_UNDEFINED_OML;
+      (*next)->bindToTextureRgb = GLX_DONT_CARE;
+      (*next)->bindToTextureRgba = GLX_DONT_CARE;
+      (*next)->bindToMipmapTexture = GLX_DONT_CARE;
+      (*next)->bindToTextureTargets = 0;
+      (*next)->yInverted = GLX_DONT_CARE;
+
+      next = & ((*next)->next);
+   }
+
+   return head;
+}
+
+struct drm_screen;
+
+struct drm_driver
+{
+	_EGLDriver base;  /* base class/object */
+
+	drmModeResPtr res;
+
+	struct drm_screen *screens[MAX_SCREENS];
+	size_t count_screens;
+
+	struct egl_drm_device *device;
+};
+
+struct drm_surface
+{
+	_EGLSurface base;  /* base class/object */
+
+	struct egl_drm_drawable *drawable;
+};
+
+struct drm_context
+{
+	_EGLContext base;  /* base class/object */
+
+	struct egl_drm_context *context;
+};
+
+struct drm_screen
+{
+	_EGLScreen base;
+
+	/* currently only support one connector */
+	drmModeConnectorPtr connector;
+
+	/* Has this screen been shown */
+	int shown;
+
+	/* Surface that is currently attached to this screen */
+	struct drm_surface *surf;
+
+	/* backing buffer */
+	drmBO buffer;
+
+	/* framebuffer */
+	drmModeFBPtr fb;
+	uint32_t fbID;
+
+	/* crtc and mode used */
+	drmModeCrtcPtr crtc;
+	uint32_t crtcID;
+
+	struct drm_mode_modeinfo *mode;
+
+	/* geometry of the screen */
+	struct egl_drm_frontbuffer front;
+};
+
+static void
+drm_update_res(struct drm_driver *drm_drv)
+{
+	drmModeFreeResources(drm_drv->res);
+	drm_drv->res = drmModeGetResources(drm_drv->device->drmFD);
+}
+
+static void
+drm_add_modes_from_connector(_EGLScreen *screen, drmModeConnectorPtr connector)
+{
+	struct drm_mode_modeinfo *m;
+	int i;
+
+	for (i = 0; i < connector->count_modes; i++) {
+		m = &connector->modes[i];
+		_eglAddNewMode(screen, m->hdisplay, m->vdisplay, m->vrefresh, m->name);
+	}
+}
+
+
+static EGLBoolean
+drm_initialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor)
+{
+	_EGLDisplay *disp = _eglLookupDisplay(dpy);
+	struct drm_driver *drm_drv = (struct drm_driver *)drv;
+	struct drm_screen *screen = NULL;
+	drmModeConnectorPtr connector = NULL;
+	drmModeResPtr res = NULL;
+	unsigned count_connectors = 0;
+	int num_screens = 0;
+
+	EGLint i;
+	int fd;
+
+	fd = drmOpen("i915", NULL);
+	if (fd < 0) {
+		return EGL_FALSE;
+	}
+
+	drm_drv->device = egl_drm_create_device(fd);
+	if (!drm_drv->device) {
+		drmClose(fd);
+		return EGL_FALSE;
+	}
+
+	drm_update_res(drm_drv);
+	res = drm_drv->res;
+	if (res)
+		count_connectors = res->count_connectors;
+
+	for(i = 0; i < count_connectors && i < MAX_SCREENS; i++) {
+		connector = drmModeGetConnector(fd, res->connectors[i]);
+
+		if (!connector)
+			continue;
+
+		if (connector->connection != DRM_MODE_CONNECTED) {
+			drmModeFreeConnector(connector);
+			continue;
+		}
+
+		screen = malloc(sizeof(struct drm_screen));
+		memset(screen, 0, sizeof(*screen));
+		screen->connector = connector;
+		_eglInitScreen(&screen->base);
+		_eglAddScreen(disp, &screen->base);
+		drm_add_modes_from_connector(&screen->base, connector);
+		drm_drv->screens[num_screens++] = screen;
+	}
+	drm_drv->count_screens = num_screens;
+
+	/* for now we only have one config */
+	_EGLConfig *config = calloc(1, sizeof(*config));
+	memset(config, 1, sizeof(*config));
+	_eglInitConfig(config, 1);
+	_eglSetConfigAttrib(config, EGL_RED_SIZE, 8);
+	_eglSetConfigAttrib(config, EGL_GREEN_SIZE, 8);
+	_eglSetConfigAttrib(config, EGL_BLUE_SIZE, 8);
+	_eglSetConfigAttrib(config, EGL_ALPHA_SIZE, 8);
+	_eglSetConfigAttrib(config, EGL_BUFFER_SIZE, 32);
+	_eglSetConfigAttrib(config, EGL_DEPTH_SIZE, 24);
+	_eglSetConfigAttrib(config, EGL_STENCIL_SIZE, 8);
+	_eglSetConfigAttrib(config, EGL_SURFACE_TYPE, EGL_PBUFFER_BIT);
+	_eglAddConfig(disp, config);
+
+	drv->Initialized = EGL_TRUE;
+
+	*major = 1;
+	*minor = 4;
+
+	return EGL_TRUE;
+}
+
+static void
+drm_takedown_shown_screen(_EGLDriver *drv, struct drm_screen *screen)
+{
+	struct drm_driver *drm_drv = (struct drm_driver *)drv;
+	unsigned int i;
+
+	intel_bind_frontbuffer(screen->surf->drawable, NULL);
+	screen->surf = NULL;
+
+	for (i = 0; i < drm_drv->res->count_crtcs; i++) {
+		drmModeSetCrtc(
+			drm_drv->device->drmFD,
+			drm_drv->res->crtcs[i],
+			0, // FD
+			0, 0,
+			NULL, 0, // List of output ids
+			NULL);
+	}
+
+	drmModeRmFB(drm_drv->device->drmFD, screen->fbID);
+	drmModeFreeFB(screen->fb);
+	screen->fb = NULL;
+
+	drmBOUnreference(drm_drv->device->drmFD, &screen->buffer);
+
+	screen->shown = 0;
+}
+
+static EGLBoolean
+drm_terminate(_EGLDriver *drv, EGLDisplay dpy)
+{
+	struct drm_driver *drm_drv = (struct drm_driver *)drv;
+	struct drm_screen *screen;
+	int i = 0;
+
+	intel_destroy_device(drm_drv->device);
+	drmFreeVersion(drm_drv->device->version);
+
+	for (i = 0; i < drm_drv->count_screens; i++) {
+		screen = drm_drv->screens[i];
+
+		if (screen->shown)
+			drm_takedown_shown_screen(drv, screen);
+
+		drmModeFreeConnector(screen->connector);
+		_eglDestroyScreen(&screen->base);
+		drm_drv->screens[i] = NULL;
+	}
+
+	drmClose(drm_drv->device->drmFD);
+
+	free(drm_drv->device);
+
+	_eglCleanupDisplay(_eglLookupDisplay(dpy));
+	free(drm_drv);
+
+	return EGL_TRUE;
+}
+
+
+static struct drm_context *
+lookup_drm_context(EGLContext context)
+{
+	_EGLContext *c = _eglLookupContext(context);
+	return (struct drm_context *) c;
+}
+
+
+static struct drm_surface *
+lookup_drm_surface(EGLSurface surface)
+{
+	_EGLSurface *s = _eglLookupSurface(surface);
+	return (struct drm_surface *) s;
+}
+
+static struct drm_screen *
+lookup_drm_screen(EGLDisplay dpy, EGLScreenMESA screen)
+{
+	_EGLScreen *s = _eglLookupScreen(dpy, screen);
+	return (struct drm_screen *) s;
+}
+
+static __GLcontextModes*
+visual_from_config(_EGLConfig *conf)
+{
+	__GLcontextModes *visual;
+	(void)conf;
+
+	visual = _egl_context_modes_create(1, sizeof(*visual));
+	visual->redBits = 8;
+	visual->greenBits = 8;
+	visual->blueBits = 8;
+	visual->alphaBits = 8;
+
+	visual->rgbBits = 32;
+	visual->doubleBufferMode = 1;
+
+	visual->depthBits = 24;
+	visual->haveDepthBuffer = visual->depthBits > 0;
+	visual->stencilBits = 8;
+	visual->haveStencilBuffer = visual->stencilBits > 0;
+
+	return visual;
+}
+
+
+
+static EGLContext
+drm_create_context(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list)
+{
+	struct drm_driver *drm_drv = (struct drm_driver *)drv;
+	struct drm_context *c;
+	struct drm_egl_context *share = NULL;
+	_EGLConfig *conf;
+	int i;
+	int ret;
+	__GLcontextModes *visual;
+	struct egl_drm_context *context;
+
+	conf = _eglLookupConfig(drv, dpy, config);
+	if (!conf) {
+		_eglError(EGL_BAD_CONFIG, "eglCreateContext");
+		return EGL_NO_CONTEXT;
+	}
+
+	for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
+		switch (attrib_list[i]) {
+			/* no attribs defined for now */
+			default:
+				_eglError(EGL_BAD_ATTRIBUTE, "eglCreateContext");
+				return EGL_NO_CONTEXT;
+		}
+	}
+
+	c = (struct drm_context *) calloc(1, sizeof(struct drm_context));
+	if (!c)
+		return EGL_NO_CONTEXT;
+
+	_eglInitContext(drv, dpy, &c->base, config, attrib_list);
+
+	context = malloc(sizeof(*context));
+	memset(context, 0, sizeof(*context));
+
+	if (!context)
+		goto err_c;
+
+	context->device = drm_drv->device;
+	visual = visual_from_config(conf);
+
+	ret = intel_create_context(context, visual, share);
+	free(visual);
+
+	if (!ret)
+		goto err_gl;
+
+	c->context = context;
+
+	/* generate handle and insert into hash table */
+	_eglSaveContext(&c->base);
+	assert(_eglGetContextHandle(&c->base));
+
+	return _eglGetContextHandle(&c->base);
+err_gl:
+	free(context);
+err_c:
+	free(c);
+	return EGL_NO_CONTEXT;
+}
+
+static EGLBoolean
+drm_destroy_context(_EGLDriver *drv, EGLDisplay dpy, EGLContext context)
+{
+	struct drm_context *fc = lookup_drm_context(context);
+	_eglRemoveContext(&fc->base);
+	if (fc->base.IsBound) {
+		fc->base.DeletePending = EGL_TRUE;
+	} else {
+		intel_destroy_context(fc->context);
+		free(fc->context);
+		free(fc);
+	}
+	return EGL_TRUE;
+}
+
+
+static EGLSurface
+drm_create_window_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list)
+{
+	return EGL_NO_SURFACE;
+}
+
+
+static EGLSurface
+drm_create_pixmap_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list)
+{
+	return EGL_NO_SURFACE;
+}
+
+
+static EGLSurface
+drm_create_pbuffer_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
+                         const EGLint *attrib_list)
+{
+	struct drm_driver *drm_drv = (struct drm_driver *)drv;
+	int i;
+	int ret;
+	int width = -1;
+	int height = -1;
+	struct drm_surface *surf = NULL;
+	struct egl_drm_drawable *drawable = NULL;
+	__GLcontextModes *visual;
+	_EGLConfig *conf;
+
+	conf = _eglLookupConfig(drv, dpy, config);
+	if (!conf) {
+		_eglError(EGL_BAD_CONFIG, "eglCreatePbufferSurface");
+		return EGL_NO_CONTEXT;
+	}
+
+	for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
+		switch (attrib_list[i]) {
+			case EGL_WIDTH:
+				width = attrib_list[++i];
+				break;
+			case EGL_HEIGHT:
+				height = attrib_list[++i];
+				break;
+			default:
+				_eglError(EGL_BAD_ATTRIBUTE, "eglCreatePbufferSurface");
+				return EGL_NO_SURFACE;
+		}
+	}
+
+	if (width < 1 || height < 1) {
+		_eglError(EGL_BAD_ATTRIBUTE, "eglCreatePbufferSurface");
+		return EGL_NO_SURFACE;
+	}
+
+	surf = (struct drm_surface *) calloc(1, sizeof(struct drm_surface));
+	if (!surf)
+		goto err;
+
+	if (!_eglInitSurface(drv, dpy, &surf->base, EGL_PBUFFER_BIT, config, attrib_list))
+		goto err_surf;
+
+	drawable = malloc(sizeof(*drawable));
+	memset(drawable, 0, sizeof(*drawable));
+
+	drawable->w = width;
+	drawable->h = height;
+
+	visual = visual_from_config(conf);
+
+	drawable->device = drm_drv->device;
+	ret = intel_create_drawable(drawable, visual);
+	free(visual);
+
+	if (!ret)
+		goto err_draw;
+
+	surf->drawable = drawable;
+
+	_eglSaveSurface(&surf->base);
+	return surf->base.Handle;
+
+err_draw:
+	free(drawable);
+err_surf:
+	free(surf);
+err:
+	return EGL_NO_SURFACE;
+}
+
+static EGLSurface
+drm_create_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg,
+                               const EGLint *attrib_list)
+{
+	EGLSurface surf = drm_create_pbuffer_surface(drv, dpy, cfg, attrib_list);
+
+	return surf;
+}
+
+static struct drm_mode_modeinfo *
+drm_find_mode(drmModeConnectorPtr connector, _EGLMode *mode)
+{
+	int i;
+	struct drm_mode_modeinfo *m;
+
+	for (i = 0; i < connector->count_modes; i++) {
+		m = &connector->modes[i];
+		if (m->hdisplay == mode->Width && m->vdisplay == mode->Height && m->vrefresh == mode->RefreshRate)
+			break;
+		m = NULL;
+	}
+
+	return m;
+}
+static void
+draw(size_t x, size_t y, size_t w, size_t h, size_t pitch, size_t v, unsigned int *ptr)
+{
+    int i, j;
+
+    for (i = x; i < x + w; i++)
+        for(j = y; j < y + h; j++)
+            ptr[(i * pitch / 4) + j] = v;
+
+}
+
+static void
+prettyColors(int fd, unsigned int handle, size_t pitch)
+{
+	drmBO bo;
+	unsigned int *ptr;
+	void *p;
+	int i;
+
+	drmBOReference(fd, handle, &bo);
+	drmBOMap(fd, &bo, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &p);
+	ptr = (unsigned int*)p;
+
+	for (i = 0; i < (bo.size / 4); i++)
+		ptr[i] = 0xFFFFFFFF;
+
+	for (i = 0; i < 4; i++)
+		draw(i * 40, i * 40, 40, 40, pitch, 0, ptr);
+
+
+	draw(200, 100, 40, 40, pitch, 0xff00ff, ptr);
+	draw(100, 200, 40, 40, pitch, 0xff00ff, ptr);
+
+	drmBOUnmap(fd, &bo);
+}
+
+static EGLBoolean
+drm_show_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy,
+                         EGLScreenMESA screen,
+                         EGLSurface surface, EGLModeMESA m)
+{
+	struct drm_driver *drm_drv = (struct drm_driver *)drv;
+	struct drm_surface *surf = lookup_drm_surface(surface);
+	struct drm_screen *scrn = lookup_drm_screen(dpy, screen);
+	_EGLMode *mode = _eglLookupMode(dpy, m);
+	size_t pitch = mode->Width * 4;
+	size_t size = mode->Height * pitch;
+	int ret;
+	unsigned int i,j,k;
+
+	if (scrn->shown)
+		drm_takedown_shown_screen(drv, scrn);
+
+	ret = drmBOCreate(drm_drv->device->drmFD, size, 0, 0,
+		DRM_BO_FLAG_READ |
+		DRM_BO_FLAG_WRITE |
+		DRM_BO_FLAG_MEM_TT |
+		DRM_BO_FLAG_MEM_VRAM |
+		DRM_BO_FLAG_NO_EVICT,
+		DRM_BO_HINT_DONT_FENCE, &scrn->buffer);
+
+	if (ret)
+		return EGL_FALSE;
+
+	prettyColors(drm_drv->device->drmFD, scrn->buffer.handle, pitch);
+
+	ret = drmModeAddFB(drm_drv->device->drmFD, mode->Width, mode->Height,
+			32, 32, pitch,
+			scrn->buffer.handle,
+			&scrn->fbID);
+
+	if (ret)
+		goto err_bo;
+
+	scrn->fb = drmModeGetFB(drm_drv->device->drmFD, scrn->fbID);
+	if (!scrn->fb)
+		goto err_bo;
+
+	scrn->mode = drm_find_mode(scrn->connector, mode);
+	if (!scrn->mode)
+		goto err_fb;
+
+	for (j = 0; j < drm_drv->res->count_connectors; j++) {
+		drmModeConnector *con = drmModeGetConnector(drm_drv->device->drmFD, drm_drv->res->connectors[j]);
+		for (k = 0; k < con->count_encoders; k++) {
+			drmModeEncoder *enc = drmModeGetEncoder(drm_drv->device->drmFD, con->encoders[k]);
+			for (i = 0; i < drm_drv->res->count_crtcs; i++) {
+				if (enc->possible_crtcs & (1<<i)) {
+					ret = drmModeSetCrtc(
+						drm_drv->device->drmFD,
+						drm_drv->res->crtcs[i],
+						scrn->fbID,
+						0, 0,
+						&drm_drv->res->connectors[j], 1,
+						scrn->mode);	
+					/* skip the other crtcs now */
+					i = drm_drv->res->count_crtcs;
+				}
+			}
+		}
+	}
+
+	scrn->front.handle = scrn->buffer.handle;
+	scrn->front.pitch = pitch;
+	scrn->front.width = mode->Width;
+	scrn->front.height = mode->Height;
+
+	scrn->surf = surf;
+	intel_bind_frontbuffer(surf->drawable, &scrn->front);
+
+	scrn->shown = 1;
+
+	return EGL_TRUE;
+
+err_fb:
+	/* TODO remove fb */
+
+err_bo:
+	drmBOUnreference(drm_drv->device->drmFD, &scrn->buffer);
+	return EGL_FALSE;
+}
+
+static EGLBoolean
+drm_destroy_surface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
+{
+	struct drm_surface *fs = lookup_drm_surface(surface);
+	_eglRemoveSurface(&fs->base);
+	if (fs->base.IsBound) {
+		fs->base.DeletePending = EGL_TRUE;
+	} else {
+		intel_bind_frontbuffer(fs->drawable, NULL);
+		intel_destroy_drawable(fs->drawable);
+		free(fs->drawable);
+		free(fs);
+	}
+	return EGL_TRUE;
+}
+
+
+static EGLBoolean
+drm_make_current(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext context)
+{
+	struct drm_surface *readSurf = lookup_drm_surface(read);
+	struct drm_surface *drawSurf = lookup_drm_surface(draw);
+	struct drm_context *ctx = lookup_drm_context(context);
+	EGLBoolean b;
+
+	b = _eglMakeCurrent(drv, dpy, draw, read, context);
+	if (!b)
+		return EGL_FALSE;
+
+	if (ctx) {
+		if (!drawSurf || !readSurf)
+			return EGL_FALSE;
+
+		intel_make_current(ctx->context, drawSurf->drawable, readSurf->drawable);
+	} else {
+		intel_make_current(NULL, NULL, NULL);
+	}
+
+	return EGL_TRUE;
+}
+
+static EGLBoolean
+drm_swap_buffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw)
+{
+	struct drm_surface *surf = lookup_drm_surface(draw);
+	if (!surf)
+		return EGL_FALSE;
+
+	/* error checking */
+	if (!_eglSwapBuffers(drv, dpy, draw))
+		return EGL_FALSE;
+
+	intel_swap_buffers(surf->drawable);
+	return EGL_TRUE;
+}
+
+
+/**
+ * The bootstrap function.  Return a new drm_driver object and
+ * plug in API functions.
+ */
+_EGLDriver *
+_eglMain(_EGLDisplay *dpy, const char *args)
+{
+	struct drm_driver *drm;
+
+	drm = (struct drm_driver *) calloc(1, sizeof(struct drm_driver));
+	if (!drm) {
+		return NULL;
+	}
+
+	/* First fill in the dispatch table with defaults */
+	_eglInitDriverFallbacks(&drm->base);
+	/* then plug in our Drm-specific functions */
+	drm->base.API.Initialize = drm_initialize;
+	drm->base.API.Terminate = drm_terminate;
+	drm->base.API.CreateContext = drm_create_context;
+	drm->base.API.MakeCurrent = drm_make_current;
+	drm->base.API.CreateWindowSurface = drm_create_window_surface;
+	drm->base.API.CreatePixmapSurface = drm_create_pixmap_surface;
+	drm->base.API.CreatePbufferSurface = drm_create_pbuffer_surface;
+	drm->base.API.DestroySurface = drm_destroy_surface;
+	drm->base.API.DestroyContext = drm_destroy_context;
+	drm->base.API.CreateScreenSurfaceMESA = drm_create_screen_surface_mesa;
+	drm->base.API.ShowScreenSurfaceMESA = drm_show_screen_surface_mesa;
+	drm->base.API.SwapBuffers = drm_swap_buffers;
+
+	drm->base.ClientAPIsMask = EGL_OPENGL_BIT /*| EGL_OPENGL_ES_BIT*/;
+	drm->base.Name = "DRM/Gallium";
+
+	/* enable supported extensions */
+	drm->base.Extensions.MESA_screen_surface = EGL_TRUE;
+	drm->base.Extensions.MESA_copy_context = EGL_TRUE;
+
+	return &drm->base;
+}
diff --git a/src/gallium/winsys/drm/intel/egl/intel_egl.h b/src/gallium/winsys/drm/intel/egl/intel_egl.h
new file mode 100644
index 00000000000..1ee27e0847a
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_egl.h
@@ -0,0 +1,53 @@
+
+#ifndef _INTEL_EGL_H_
+#define _INTEL_EGL_H_
+
+#include <xf86drm.h>
+
+struct egl_drm_device
+{
+	void *priv;
+	int drmFD;
+
+	drmVersionPtr version;
+	int deviceID;
+};
+
+struct egl_drm_context
+{
+	void *priv;
+	struct egl_drm_device *device;
+};
+
+struct egl_drm_drawable
+{
+	void *priv;
+	struct egl_drm_device *device;
+	size_t h;
+	size_t w;
+};
+
+struct egl_drm_frontbuffer
+{
+	uint32_t handle;
+	uint32_t pitch;
+	uint32_t width;
+	uint32_t height;
+};
+
+#include "GL/internal/glcore.h"
+
+int intel_create_device(struct egl_drm_device *device);
+int intel_destroy_device(struct egl_drm_device *device);
+
+int intel_create_context(struct egl_drm_context *context, const __GLcontextModes *visual, void *sharedContextPrivate);
+int intel_destroy_context(struct egl_drm_context *context);
+
+int intel_create_drawable(struct egl_drm_drawable *drawable, const __GLcontextModes * visual);
+int intel_destroy_drawable(struct egl_drm_drawable *drawable);
+
+void intel_make_current(struct egl_drm_context *context, struct egl_drm_drawable *draw, struct egl_drm_drawable *read);
+void intel_swap_buffers(struct egl_drm_drawable *draw);
+void intel_bind_frontbuffer(struct egl_drm_drawable *draw, struct egl_drm_frontbuffer *front);
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/egl/intel_reg.h b/src/gallium/winsys/drm/intel/egl/intel_reg.h
new file mode 100644
index 00000000000..4f33bee4385
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_reg.h
@@ -0,0 +1,53 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef _INTEL_REG_H_
+#define _INTEL_REG_H_
+
+
+#define BR00_BITBLT_CLIENT   0x40000000
+#define BR00_OP_COLOR_BLT    0x10000000
+#define BR00_OP_SRC_COPY_BLT 0x10C00000
+#define BR13_SOLID_PATTERN   0x80000000
+
+#define XY_COLOR_BLT_CMD		((2<<29)|(0x50<<22)|0x4)
+#define XY_COLOR_BLT_WRITE_ALPHA	(1<<21)
+#define XY_COLOR_BLT_WRITE_RGB		(1<<20)
+
+#define XY_SRC_COPY_BLT_CMD             ((2<<29)|(0x53<<22)|6)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA     (1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB       (1<<20)
+
+#define MI_WAIT_FOR_EVENT               ((0x3<<23))
+#define MI_WAIT_FOR_PLANE_B_FLIP        (1<<6)
+#define MI_WAIT_FOR_PLANE_A_FLIP        (1<<2)
+
+#define MI_BATCH_BUFFER_END 	        (0xA<<23)
+
+
+#endif
diff --git a/src/gallium/winsys/drm/intel/egl/intel_swapbuffers.c b/src/gallium/winsys/drm/intel/egl/intel_swapbuffers.c
new file mode 100644
index 00000000000..2edcbc79fff
--- /dev/null
+++ b/src/gallium/winsys/drm/intel/egl/intel_swapbuffers.c
@@ -0,0 +1,111 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "intel_device.h"
+#include "intel_context.h"
+#include "intel_batchbuffer.h"
+#include "intel_reg.h"
+
+#include "pipe/p_context.h"
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_context.h"
+#include "state_tracker/st_cb_fbo.h"
+#include "intel_egl.h"
+
+
+static void
+intel_display_surface(struct egl_drm_drawable *draw,
+                      struct pipe_surface *surf);
+
+void intel_swap_buffers(struct egl_drm_drawable *draw)
+{
+	struct intel_framebuffer *intel_fb = (struct intel_framebuffer *)draw->priv;
+	struct pipe_surface *back_surf;
+
+	assert(intel_fb);
+	assert(intel_fb->stfb);
+
+	back_surf = st_get_framebuffer_surface(intel_fb->stfb, ST_SURFACE_BACK_LEFT);
+	if (back_surf) {
+		st_notify_swapbuffers(intel_fb->stfb);
+		if (intel_fb->front)
+			intel_display_surface(draw, back_surf);
+		st_notify_swapbuffers_complete(intel_fb->stfb);
+	}
+}
+
+static void
+intel_display_surface(struct egl_drm_drawable *draw,
+                      struct pipe_surface *surf)
+{
+	struct intel_context *intel = NULL;
+	struct intel_framebuffer *intel_fb = (struct intel_framebuffer *)draw->priv;
+	struct _DriFenceObject *fence;
+
+	//const int srcWidth = surf->width;
+	//const int srcHeight = surf->height;
+
+	intel = intel_fb->device->dummy;
+	if (!intel) {
+		printf("No dummy context\n");
+		return;
+	}
+
+	const int dstWidth = intel_fb->front->width;
+	const int dstHeight = intel_fb->front->height;
+	const int dstPitch = intel_fb->front->pitch / 4;//draw->front.cpp;
+
+	const int cpp = 4;//intel_fb->front->cpp;
+	const int srcPitch = surf->stride / cpp;
+
+	int BR13, CMD;
+	//int i;
+
+	BR13 = (dstPitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25);
+	CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+			XY_SRC_COPY_BLT_WRITE_RGB);
+
+	BEGIN_BATCH(8, 2);
+	OUT_BATCH(CMD);
+	OUT_BATCH(BR13);
+	OUT_BATCH((0 << 16) | 0);
+	OUT_BATCH((dstHeight << 16) | dstWidth);
+
+	OUT_RELOC(intel_fb->front_buffer,
+		DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE,
+		DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0);
+
+	OUT_BATCH((0 << 16) | 0);
+	OUT_BATCH((srcPitch * cpp) & 0xffff);
+	OUT_RELOC(dri_bo(surf->buffer),
+			DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ,
+			DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, 0);
+
+	fence = intel_be_batchbuffer_flush(intel->base.batch);
+	driFenceUnReference(&fence);
+	intel_be_batchbuffer_finish(intel->base.batch);
+}