Merge branch 'master' of git://anongit.freedesktop.org/mesa/mesa

14 files changed, 348 insertions, 28 deletions

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 0aca929e6aa..f09ae14f10c 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -592,6 +592,13 @@ dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
          wl_display_destroy(dri2_dpy->wl_dpy);
          break;
 #endif
+#ifdef HAVE_DRM_PLATFORM
+      case _EGL_PLATFORM_DRM:
+         if (dri2_dpy->own_gbm_device) {
+            gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
+         }
+         break;
+#endif
       default:
          break;
       }
@@ -719,6 +726,23 @@ dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
 }
 
 /**
+ * Called via eglDestroyContext(), drv->API.DestroyContext().
+ */
+static EGLBoolean
+dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
+{
+   struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+
+   if (_eglPutContext(ctx)) {
+      dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
+      free(dri2_ctx);
+   }
+
+   return EGL_TRUE;
+}
+
+/**
  * Called via eglMakeCurrent(), drv->API.MakeCurrent().
  */
 static EGLBoolean
@@ -758,9 +782,8 @@ dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
          drv->API.DestroySurface(drv, disp, old_dsurf);
       if (old_rsurf)
          drv->API.DestroySurface(drv, disp, old_rsurf);
-      /* no destroy? */
       if (old_ctx)
-         _eglPutContext(old_ctx);
+         drv->API.DestroyContext(drv, disp, old_ctx);
 
       return EGL_TRUE;
    } else {
@@ -1341,6 +1364,7 @@ _EGL_MAIN(const char *args)
    dri2_drv->base.API.Initialize = dri2_initialize;
    dri2_drv->base.API.Terminate = dri2_terminate;
    dri2_drv->base.API.CreateContext = dri2_create_context;
+   dri2_drv->base.API.DestroyContext = dri2_destroy_context;
    dri2_drv->base.API.MakeCurrent = dri2_make_current;
    dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
    dri2_drv->base.API.WaitClient = dri2_wait_client;
diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index 3854200bc69..db93eec14ba 100644
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -86,6 +86,7 @@ struct dri2_egl_display
 
 #ifdef HAVE_DRM_PLATFORM
    struct gbm_dri_device    *gbm_dri;
+   int                       own_gbm_device;
 #endif
 
    char                     *device_name;
@@ -122,8 +123,6 @@ enum wayland_buffer_type {
    WL_BUFFER_THIRD,
    WL_BUFFER_COUNT
 };
-
-#define __DRI_BUFFER_COUNT 10
 #endif
 
 enum dri2_surface_type {
diff --git a/src/egl/drivers/dri2/platform_drm.c b/src/egl/drivers/dri2/platform_drm.c
index 579baf9f9d2..04b10e279ec 100644
--- a/src/egl/drivers/dri2/platform_drm.c
+++ b/src/egl/drivers/dri2/platform_drm.c
@@ -30,6 +30,10 @@
 #include <string.h>
 #include <xf86drm.h>
 #include <dlfcn.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
 
 #include "egl_dri2.h"
 
@@ -90,6 +94,7 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
 {
    struct dri2_egl_display *dri2_dpy;
    struct gbm_device *gbm;
+   int fd = -1;
    int i;
 
    dri2_dpy = malloc(sizeof *dri2_dpy);
@@ -100,7 +105,15 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
 
    disp->DriverData = (void *) dri2_dpy;
 
-   gbm = (struct gbm_device *) disp->PlatformDisplay;
+   gbm = disp->PlatformDisplay;
+   if (gbm == NULL) {
+      fd = open("/dev/dri/card0", O_RDWR);
+      dri2_dpy->own_gbm_device = 1;
+      gbm = gbm_create_device(fd);
+      if (gbm == NULL)
+         return EGL_FALSE;
+   }
+
    if (strcmp(gbm_device_get_backend_name(gbm), "drm") != 0) {
       free(dri2_dpy);
       return EGL_FALSE;
@@ -112,7 +125,15 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
       return EGL_FALSE;
    }
 
-   dri2_dpy->fd = gbm_device_get_fd(gbm);
+   if (fd < 0) {
+      fd = dup(gbm_device_get_fd(gbm));
+      if (fd < 0) {
+         free(dri2_dpy);
+         return EGL_FALSE;
+      }
+   }
+
+   dri2_dpy->fd = fd;
    dri2_dpy->device_name = dri2_get_device_name_for_fd(dri2_dpy->fd);
    dri2_dpy->driver_name = dri2_dpy->gbm_dri->base.driver_name;
 
diff --git a/src/egl/drivers/glx/egl_glx.c b/src/egl/drivers/glx/egl_glx.c
index 7cf8f4d5514..042936f960e 100644
--- a/src/egl/drivers/glx/egl_glx.c
+++ b/src/egl/drivers/glx/egl_glx.c
@@ -713,6 +713,24 @@ GLX_eglCreateContext(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
    return &GLX_ctx->Base;
 }
 
+/**
+ * Called via eglDestroyContext(), drv->API.DestroyContext().
+ */
+static EGLBoolean
+GLX_eglDestroyContext(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
+{
+   struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
+   struct GLX_egl_context *GLX_ctx = GLX_egl_context(ctx);
+
+   if (_eglPutContext(ctx)) {
+      assert(GLX_ctx);
+      GLX_drv->glXDestroyContext(disp, ctx);
+
+      free(GLX_ctx);
+   }
+
+   return EGL_TRUE;
+}
 
 /**
  * Destroy a surface.  The display is allowed to be uninitialized.
@@ -1142,6 +1160,7 @@ _EGL_MAIN(const char *args)
    GLX_drv->Base.API.Initialize = GLX_eglInitialize;
    GLX_drv->Base.API.Terminate = GLX_eglTerminate;
    GLX_drv->Base.API.CreateContext = GLX_eglCreateContext;
+   GLX_drv->Base.API.DestroyContext = GLX_eglDestroyContext;
    GLX_drv->Base.API.MakeCurrent = GLX_eglMakeCurrent;
    GLX_drv->Base.API.CreateWindowSurface = GLX_eglCreateWindowSurface;
    GLX_drv->Base.API.CreatePixmapSurface = GLX_eglCreatePixmapSurface;
diff --git a/src/egl/main/Android.mk b/src/egl/main/Android.mk
new file mode 100644
index 00000000000..25a7c657676
--- /dev/null
+++ b/src/egl/main/Android.mk
@@ -0,0 +1,64 @@
+# Mesa 3-D graphics library
+#
+# Copyright (C) 2010-2011 Chia-I Wu <[email protected]>
+# Copyright (C) 2010-2011 LunarG Inc.
+#
+# 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
+# THE AUTHORS OR COPYRIGHT HOLDERS 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.
+
+# Android.mk for core EGL
+
+LOCAL_PATH := $(call my-dir)
+
+# from Makefile
+SOURCES = \
+	eglapi.c \
+	eglarray.c \
+	eglconfig.c \
+	eglcontext.c \
+	eglcurrent.c \
+	egldisplay.c \
+	egldriver.c \
+	eglfallbacks.c \
+	eglglobals.c \
+	eglimage.c \
+	egllog.c \
+	eglmisc.c \
+	eglmode.c \
+	eglscreen.c \
+	eglstring.c \
+	eglsurface.c \
+	eglsync.c
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(SOURCES)
+
+LOCAL_CFLAGS := \
+	-D_EGL_NATIVE_PLATFORM=_EGL_PLATFORM_ANDROID \
+	-D_EGL_DRIVER_SEARCH_DIR=\"/system/lib/egl\" \
+	-D_EGL_OS_UNIX=1
+
+ifeq ($(strip $(MESA_BUILD_GALLIUM)),true)
+LOCAL_CFLAGS += -D_EGL_BUILT_IN_DRIVER_GALLIUM
+endif
+
+LOCAL_MODULE := libmesa_egl
+
+include $(MESA_COMMON_MK)
+include $(BUILD_STATIC_LIBRARY)
diff --git a/src/egl/main/Makefile b/src/egl/main/Makefile
index 775fbbe178b..3172ad2ec03 100644
--- a/src/egl/main/Makefile
+++ b/src/egl/main/Makefile
@@ -63,6 +63,7 @@ EGL_LIB_DEPS += $(XCB_DRI2_LIBS)
 endif
 ifneq ($(findstring drm, $(EGL_PLATFORMS)),)
 EGL_LIB_DEPS += -lgbm
+INCLUDE_DIRS += -I$(TOP)/src/gbm/main
 endif
 EGL_LIB_DEPS += $(LIBUDEV_LIBS) $(DLOPEN_LIBS) $(LIBDRM_LIB) $(WAYLAND_LIBS)
 endif
@@ -70,6 +71,7 @@ endif
 
 ifneq ($(findstring wayland, $(EGL_PLATFORMS)),)
 LOCAL_LIBS += $(TOP)/src/egl/wayland/wayland-drm/libwayland-drm.a
+INCLUDE_DIRS += $(WAYLAND_CFLAGS)
 endif
 
 ifeq ($(filter glx, $(EGL_DRIVERS_DIRS)),glx)
@@ -93,6 +95,19 @@ ifeq ($(firstword $(EGL_PLATFORMS)),fbdev)
 EGL_NATIVE_PLATFORM=_EGL_PLATFORM_FBDEV
 endif
 
+ifneq ($(findstring x11, $(EGL_PLATFORMS)),)
+LOCAL_CFLAGS += -DHAVE_X11_PLATFORM
+endif
+ifneq ($(findstring wayland, $(EGL_PLATFORMS)),)
+LOCAL_CFLAGS += -DHAVE_WAYLAND_PLATFORM
+endif
+ifneq ($(findstring drm, $(EGL_PLATFORMS)),)
+LOCAL_CFLAGS += -DHAVE_DRM_PLATFORM
+endif
+ifneq ($(findstring fbdev, $(EGL_PLATFORMS)),)
+LOCAL_CFLAGS += -DHAVE_FBDEV_PLATFORM
+endif
+
 LOCAL_CFLAGS += \
 	-D_EGL_NATIVE_PLATFORM=$(EGL_NATIVE_PLATFORM) \
 	-D_EGL_DRIVER_SEARCH_DIR=\"$(EGL_DRIVER_INSTALL_DIR)\"
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 0ba7794e2c9..3cb1a5baaf3 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -301,7 +301,7 @@ _eglUnlockDisplay(_EGLDisplay *dpy)
 EGLDisplay EGLAPIENTRY
 eglGetDisplay(EGLNativeDisplayType nativeDisplay)
 {
-   _EGLPlatformType plat = _eglGetNativePlatform();
+   _EGLPlatformType plat = _eglGetNativePlatform(nativeDisplay);
    _EGLDisplay *dpy = _eglFindDisplay(plat, (void *) nativeDisplay);
    return _eglGetDisplayHandle(dpy);
 }
@@ -538,7 +538,7 @@ eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config,
    EGLSurface ret;
 
    _EGL_CHECK_CONFIG(disp, conf, EGL_NO_SURFACE, drv);
-   if (disp->Platform != _eglGetNativePlatform())
+   if (disp->Platform != _eglGetNativePlatform(disp->PlatformDisplay))
       RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
 
    surf = drv->API.CreateWindowSurface(drv, disp, conf, window, attrib_list);
@@ -559,7 +559,7 @@ eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config,
    EGLSurface ret;
 
    _EGL_CHECK_CONFIG(disp, conf, EGL_NO_SURFACE, drv);
-   if (disp->Platform != _eglGetNativePlatform())
+   if (disp->Platform != _eglGetNativePlatform(disp->PlatformDisplay))
       RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE);
 
    surf = drv->API.CreatePixmapSurface(drv, disp, conf, pixmap, attrib_list);
@@ -720,7 +720,7 @@ eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
    EGLBoolean ret;
 
    _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
-   if (disp->Platform != _eglGetNativePlatform())
+   if (disp->Platform != _eglGetNativePlatform(disp->PlatformDisplay))
       RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_PIXMAP, EGL_FALSE);
    ret = drv->API.CopyBuffers(drv, disp, surf, target);
 
@@ -948,6 +948,9 @@ eglGetProcAddress(const char *procname)
       { "eglBindWaylandDisplayWL", (_EGLProc) eglBindWaylandDisplayWL },
       { "eglUnbindWaylandDisplayWL", (_EGLProc) eglUnbindWaylandDisplayWL },
 #endif
+#ifdef EGL_ANDROID_swap_rectangle
+      { "eglSetSwapRectangleANDROID", (_EGLProc) eglSetSwapRectangleANDROID },
+#endif
       { NULL, NULL }
    };
    EGLint i;
@@ -1565,3 +1568,25 @@ eglUnbindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display)
    RETURN_EGL_EVAL(disp, ret);
 }
 #endif
+
+#ifdef EGL_ANDROID_swap_rectangle
+EGLBoolean EGLAPIENTRY
+eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw,
+                           EGLint left, EGLint top,
+                           EGLint width, EGLint height)
+{
+   _EGLDisplay *disp = _eglLockDisplay(dpy);
+   _EGLSurface *surf = _eglLookupSurface(draw, disp);
+   _EGLDriver *drv;
+   EGLBoolean ret;
+
+   _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
+
+   if (!disp->Extensions.ANDROID_swap_rectangle)
+      RETURN_EGL_EVAL(disp, EGL_FALSE);
+
+   ret = drv->API.SetSwapRectangleANDROID(drv, disp, surf, left, top, width, height);
+
+   RETURN_EGL_EVAL(disp, ret);
+}
+#endif
diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h
index 4fcbe40cd4c..1e0aef69dd7 100644
--- a/src/egl/main/eglapi.h
+++ b/src/egl/main/eglapi.h
@@ -131,6 +131,10 @@ typedef EGLBoolean (*BindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *disp,
 typedef EGLBoolean (*UnbindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *disp, struct wl_display *display);
 #endif
 
+#ifdef EGL_ANDROID_swap_rectangle
+typedef EGLBoolean (*SetSwapRectangleANDROID_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw, EGLint left, EGLint top, EGLint width, EGLint height);
+#endif
+
 /**
  * The API dispatcher jumps through these functions
  */
@@ -210,6 +214,10 @@ struct _egl_api
    BindWaylandDisplayWL_t BindWaylandDisplayWL;
    UnbindWaylandDisplayWL_t UnbindWaylandDisplayWL;
 #endif
+
+#ifdef EGL_ANDROID_swap_rectangle
+   SetSwapRectangleANDROID_t SetSwapRectangleANDROID;
+#endif
 };
 
 #endif /* EGLAPI_INCLUDED */
diff --git a/src/egl/main/eglconfig.c b/src/egl/main/eglconfig.c
index 483d9807cf0..e1d53da3cd5 100644
--- a/src/egl/main/eglconfig.c
+++ b/src/egl/main/eglconfig.c
@@ -529,8 +529,9 @@ _eglParseConfigAttribList(_EGLConfig *conf, _EGLDisplay *dpy,
    if (!_eglValidateConfig(conf, EGL_TRUE))
       return EGL_FALSE;
 
-   /* the spec says that EGL_LEVEL cannot be EGL_DONT_CARE */
-   if (conf->Level == EGL_DONT_CARE)
+   /* EGL_LEVEL and EGL_MATCH_NATIVE_PIXMAP cannot be EGL_DONT_CARE */
+   if (conf->Level == EGL_DONT_CARE ||
+       conf->MatchNativePixmap == EGL_DONT_CARE)
       return EGL_FALSE;
 
    /* ignore other attributes when EGL_CONFIG_ID is given */
diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c
index 60f31777272..1d05e57c429 100644
--- a/src/egl/main/egldisplay.c
+++ b/src/egl/main/egldisplay.c
@@ -43,6 +43,39 @@
 #include "eglmutex.h"
 #include "egllog.h"
 
+/* Includes for _eglNativePlatformDetectNativeDisplay */
+#ifdef HAVE_MINCORE
+#include <unistd.h>
+#include <sys/mman.h>
+#endif
+#ifdef HAVE_WAYLAND_PLATFORM
+#include <wayland-client.h>
+#endif
+#ifdef HAVE_DRM_PLATFORM
+#include <gbm.h>
+#endif
+#ifdef HAVE_FBDEV_PLATFORM
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#endif
+
+
+/**
+ * Map --with-egl-platforms names to platform types.
+ */
+static const struct {
+   _EGLPlatformType platform;
+   const char *name;
+} egl_platforms[_EGL_NUM_PLATFORMS] = {
+   { _EGL_PLATFORM_WINDOWS, "gdi" },
+   { _EGL_PLATFORM_X11, "x11" },
+   { _EGL_PLATFORM_WAYLAND, "wayland" },
+   { _EGL_PLATFORM_DRM, "drm" },
+   { _EGL_PLATFORM_FBDEV, "fbdev" },
+   { _EGL_PLATFORM_ANDROID, "android" }
+};
+
 
 /**
  * Return the native platform by parsing EGL_PLATFORM.
@@ -50,17 +83,6 @@
 static _EGLPlatformType
 _eglGetNativePlatformFromEnv(void)
 {
-   /* map --with-egl-platforms names to platform types */
-   static const struct {
-      _EGLPlatformType platform;
-      const char *name;
-   } egl_platforms[_EGL_NUM_PLATFORMS] = {
-      { _EGL_PLATFORM_WINDOWS, "gdi" },
-      { _EGL_PLATFORM_X11, "x11" },
-      { _EGL_PLATFORM_WAYLAND, "wayland" },
-      { _EGL_PLATFORM_DRM, "drm" },
-      { _EGL_PLATFORM_FBDEV, "fbdev" }
-   };
    _EGLPlatformType plat = _EGL_INVALID_PLATFORM;
    const char *plat_name;
    EGLint i;
@@ -84,19 +106,105 @@ _eglGetNativePlatformFromEnv(void)
 
 
 /**
+ * Perform validity checks on a generic pointer.
+ */
+static EGLBoolean
+_eglPointerIsDereferencable(void *p)
+{
+#ifdef HAVE_MINCORE
+   uintptr_t addr = (uintptr_t) p;
+   unsigned char valid = 0;
+   const long page_size = getpagesize();
+
+   if (p == NULL)
+      return EGL_FALSE;
+
+   /* align addr to page_size */
+   addr &= ~(page_size - 1);
+
+   if (mincore((void *) addr, page_size, &valid) < 0) {
+      _eglLog(_EGL_DEBUG, "mincore failed: %m");
+      return EGL_FALSE;
+   }
+
+   return (valid & 0x01) == 0x01;
+#else
+   return p != NULL;
+#endif
+}
+
+
+/**
+ * Try detecting native platform with the help of native display characteristcs.
+ */
+static _EGLPlatformType
+_eglNativePlatformDetectNativeDisplay(EGLNativeDisplayType nativeDisplay)
+{
+#ifdef HAVE_FBDEV_PLATFORM
+   struct stat buf;
+#endif
+
+   if (nativeDisplay == EGL_DEFAULT_DISPLAY)
+      return _EGL_INVALID_PLATFORM;
+
+#ifdef HAVE_FBDEV_PLATFORM
+   /* fbdev is the only platform that can be a file descriptor. */
+   if (fstat((intptr_t) nativeDisplay, &buf) == 0 && S_ISCHR(buf.st_mode))
+      return _EGL_PLATFORM_FBDEV;
+#endif
+
+   if (_eglPointerIsDereferencable(nativeDisplay)) {
+      void *first_pointer = *(void **) nativeDisplay;
+
+#ifdef HAVE_WAYLAND_PLATFORM
+      /* wl_display is a wl_proxy, which is a wl_object.
+       * wl_object's first element points to the interfacetype. */
+      if (first_pointer == &wl_display_interface)
+         return _EGL_PLATFORM_WAYLAND;
+#endif
+
+#ifdef HAVE_DRM_PLATFORM
+      /* gbm has a pointer to its constructor as first element. */
+      if (first_pointer == gbm_create_device)
+         return _EGL_PLATFORM_DRM;
+#endif
+
+#ifdef HAVE_X11_PLATFORM
+      /* If not matched to any other platform, fallback to x11. */
+      return _EGL_PLATFORM_X11;
+#endif
+   }
+
+   return _EGL_INVALID_PLATFORM;
+}
+
+
+/**
  * Return the native platform.  It is the platform of the EGL native types.
  */
 _EGLPlatformType
-_eglGetNativePlatform(void)
+_eglGetNativePlatform(EGLNativeDisplayType nativeDisplay)
 {
    static _EGLPlatformType native_platform = _EGL_INVALID_PLATFORM;
+   char *detection_method = NULL;
 
    if (native_platform == _EGL_INVALID_PLATFORM) {
       native_platform = _eglGetNativePlatformFromEnv();
-      if (native_platform == _EGL_INVALID_PLATFORM)
-         native_platform = _EGL_NATIVE_PLATFORM;
+      detection_method = "environment overwrite";
+      if (native_platform == _EGL_INVALID_PLATFORM) {
+         native_platform = _eglNativePlatformDetectNativeDisplay(nativeDisplay);
+         detection_method = "autodetected";
+         if (native_platform == _EGL_INVALID_PLATFORM) {
+            native_platform = _EGL_NATIVE_PLATFORM;
+            detection_method = "build-time configuration";
+         }
+      }
    }
 
+   if (detection_method != NULL)
+      _eglLog(_EGL_DEBUG, "Native platform type: %s (%s)",
+              egl_platforms[native_platform].name, detection_method);
+
    return native_platform;
 }
 
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 9cd4dbfcc8a..cddea803c24 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -44,6 +44,7 @@ enum _egl_platform_type {
    _EGL_PLATFORM_WAYLAND,
    _EGL_PLATFORM_DRM,
    _EGL_PLATFORM_FBDEV,
+   _EGL_PLATFORM_ANDROID,
 
    _EGL_NUM_PLATFORMS,
    _EGL_INVALID_PLATFORM = -1
@@ -107,6 +108,9 @@ struct _egl_extensions
 
    EGLBoolean NOK_swap_region;
    EGLBoolean NOK_texture_from_pixmap;
+
+   EGLBoolean ANDROID_image_native_buffer;
+   EGLBoolean ANDROID_swap_rectangle;
 };
 
 
@@ -150,7 +154,7 @@ struct _egl_display
 
 
 extern _EGLPlatformType
-_eglGetNativePlatform(void);
+_eglGetNativePlatform(EGLNativeDisplayType nativeDisplay);
 
 
 extern void
diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c
index da189b689a3..ab48bc68218 100644
--- a/src/egl/main/eglmisc.c
+++ b/src/egl/main/eglmisc.c
@@ -113,6 +113,9 @@ _eglUpdateExtensionsString(_EGLDisplay *dpy)
 
    _EGL_CHECK_EXTENSION(NOK_swap_region);
    _EGL_CHECK_EXTENSION(NOK_texture_from_pixmap);
+
+   _EGL_CHECK_EXTENSION(ANDROID_image_native_buffer);
+   _EGL_CHECK_EXTENSION(ANDROID_swap_rectangle);
 #undef _EGL_CHECK_EXTENSION
 }
 
diff --git a/src/egl/main/eglsurface.c b/src/egl/main/eglsurface.c
index c9cfb01388e..3564ecd01b0 100644
--- a/src/egl/main/eglsurface.c
+++ b/src/egl/main/eglsurface.c
@@ -269,11 +269,13 @@ _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
 {
    const char *func;
    EGLint renderBuffer = EGL_BACK_BUFFER;
+   EGLint swapBehavior = EGL_BUFFER_PRESERVED;
    EGLint err;
 
    switch (type) {
    case EGL_WINDOW_BIT:
       func = "eglCreateWindowSurface";
+      swapBehavior = EGL_BUFFER_DESTROYED;
       break;
    case EGL_PIXMAP_BIT:
       func = "eglCreatePixmapSurface";
@@ -315,7 +317,7 @@ _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
 
    surf->MipmapLevel = 0;
    surf->MultisampleResolve = EGL_MULTISAMPLE_RESOLVE_DEFAULT;
-   surf->SwapBehavior = EGL_BUFFER_DESTROYED;
+   surf->SwapBehavior = swapBehavior;
 
    surf->HorizontalResolution = EGL_UNKNOWN;
    surf->VerticalResolution = EGL_UNKNOWN;
diff --git a/src/egl/wayland/wayland-drm/protocol/wayland-drm.xml b/src/egl/wayland/wayland-drm/protocol/wayland-drm.xml
index 0331f124e80..cde943060ca 100644
--- a/src/egl/wayland/wayland-drm/protocol/wayland-drm.xml
+++ b/src/egl/wayland/wayland-drm/protocol/wayland-drm.xml
@@ -1,5 +1,32 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <protocol name="drm">
+
+  <copyright>
+    Copyright © 2008-2011 Kristian Høgsberg
+    Copyright © 2010-2011 Intel Corporation
+
+    Permission to use, copy, modify, distribute, and sell this
+    software and its documentation for any purpose is hereby granted
+    without fee, provided that\n the above copyright notice appear in
+    all copies and that both that copyright notice and this permission
+    notice appear in supporting documentation, and that the name of
+    the copyright holders not be used in advertising or publicity
+    pertaining to distribution of the software without specific,
+    written prior permission.  The copyright holders make no
+    representations about the suitability of this software for any
+    purpose.  It is provided "as is" without express or implied
+    warranty.
+
+    THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+    SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+    FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+    SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+    AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+    ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+    THIS SOFTWARE.
+  </copyright>
+
   <!-- drm support. This object is created by the server and published
        using the display's global event. -->
   <interface name="wl_drm" version="1">