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-rw-r--r--src/gallium/winsys/sw/Makefile12
-rw-r--r--src/gallium/winsys/sw/drm/Makefile12
-rw-r--r--src/gallium/winsys/sw/drm/sw_drm_api.c97
-rw-r--r--src/gallium/winsys/sw/drm/sw_drm_api.h34
-rw-r--r--src/gallium/winsys/sw/gdi/SConscript23
-rw-r--r--src/gallium/winsys/sw/gdi/gdi_sw_winsys.c247
-rw-r--r--src/gallium/winsys/sw/gdi/gdi_sw_winsys.h16
-rw-r--r--src/gallium/winsys/sw/null/Makefile16
-rw-r--r--src/gallium/winsys/sw/null/SConscript21
-rw-r--r--src/gallium/winsys/sw/null/null_sw_winsys.c148
-rw-r--r--src/gallium/winsys/sw/null/null_sw_winsys.h40
-rw-r--r--src/gallium/winsys/sw/wrapper/Makefile12
-rw-r--r--src/gallium/winsys/sw/wrapper/wrapper_sw_winsys.c282
-rw-r--r--src/gallium/winsys/sw/wrapper/wrapper_sw_winsys.h35
-rw-r--r--src/gallium/winsys/sw/xlib/Makefile17
-rw-r--r--src/gallium/winsys/sw/xlib/SConscript23
-rw-r--r--src/gallium/winsys/sw/xlib/xlib_sw_winsys.c464
17 files changed, 1499 insertions, 0 deletions
diff --git a/src/gallium/winsys/sw/Makefile b/src/gallium/winsys/sw/Makefile
new file mode 100644
index 00000000000..e9182ea5b1b
--- /dev/null
+++ b/src/gallium/winsys/sw/Makefile
@@ -0,0 +1,12 @@
+# src/gallium/winsys/sw/Makefile
+TOP = ../../../..
+include $(TOP)/configs/current
+
+SUBDIRS = null wrapper
+
+default install clean:
+ @for dir in $(SUBDIRS) ; do \
+ if [ -d $$dir ] ; then \
+ (cd $$dir && $(MAKE) $@) || exit 1; \
+ fi \
+ done
diff --git a/src/gallium/winsys/sw/drm/Makefile b/src/gallium/winsys/sw/drm/Makefile
new file mode 100644
index 00000000000..79664536aa0
--- /dev/null
+++ b/src/gallium/winsys/sw/drm/Makefile
@@ -0,0 +1,12 @@
+TOP = ../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = swdrm
+
+C_SOURCES = sw_drm_api.c
+
+LIBRARY_INCLUDES =
+
+LIBRARY_DEFINES =
+
+include ../../../Makefile.template
diff --git a/src/gallium/winsys/sw/drm/sw_drm_api.c b/src/gallium/winsys/sw/drm/sw_drm_api.c
new file mode 100644
index 00000000000..eb81d26a593
--- /dev/null
+++ b/src/gallium/winsys/sw/drm/sw_drm_api.c
@@ -0,0 +1,97 @@
+/**********************************************************
+ * Copyright 2010 VMware, Inc. 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 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.
+ *
+ **********************************************************/
+
+
+#include "util/u_memory.h"
+#include "softpipe/sp_public.h"
+#include "state_tracker/drm_api.h"
+#include "../../sw/wrapper/wrapper_sw_winsys.h"
+#include "sw_drm_api.h"
+
+
+/*
+ * Defines
+ */
+
+
+struct sw_drm_api
+{
+ struct drm_api base;
+ struct drm_api *api;
+ struct sw_winsys *sw;
+};
+
+static INLINE struct sw_drm_api *
+sw_drm_api(struct drm_api *api)
+{
+ return (struct sw_drm_api *)api;
+}
+
+
+/*
+ * Exported functions
+ */
+
+
+static struct pipe_screen *
+sw_drm_create_screen(struct drm_api *_api, int drmFD,
+ struct drm_create_screen_arg *arg)
+{
+ struct sw_drm_api *swapi = sw_drm_api(_api);
+ struct drm_api *api = swapi->api;
+ struct sw_winsys *sww;
+ struct pipe_screen *screen;
+
+ screen = api->create_screen(api, drmFD, arg);
+
+ sww = wrapper_sw_winsys_warp_pipe_screen(screen);
+
+ return softpipe_create_screen(sww);
+}
+
+static void
+sw_drm_destroy(struct drm_api *api)
+{
+ struct sw_drm_api *swapi = sw_drm_api(api);
+ if (swapi->api->destroy)
+ swapi->api->destroy(swapi->api);
+
+ FREE(swapi);
+}
+
+struct drm_api *
+sw_drm_api_create(struct drm_api *api)
+{
+ struct sw_drm_api *swapi = CALLOC_STRUCT(sw_drm_api);
+
+ swapi->base.name = "sw";
+ swapi->base.driver_name = api->driver_name;
+ swapi->base.create_screen = sw_drm_create_screen;
+ swapi->base.destroy = sw_drm_destroy;
+
+ swapi->api = api;
+
+ return &swapi->base;
+}
diff --git a/src/gallium/winsys/sw/drm/sw_drm_api.h b/src/gallium/winsys/sw/drm/sw_drm_api.h
new file mode 100644
index 00000000000..ce90a04ae0c
--- /dev/null
+++ b/src/gallium/winsys/sw/drm/sw_drm_api.h
@@ -0,0 +1,34 @@
+/**********************************************************
+ * Copyright 2010 VMware, Inc. 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 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.
+ *
+ **********************************************************/
+
+
+#ifndef SW_DRM_API_H
+#define SW_DRM_API_H
+
+struct drm_api;
+
+struct drm_api * sw_drm_api_create(struct drm_api *api);
+
+#endif
diff --git a/src/gallium/winsys/sw/gdi/SConscript b/src/gallium/winsys/sw/gdi/SConscript
new file mode 100644
index 00000000000..1267fc6eea4
--- /dev/null
+++ b/src/gallium/winsys/sw/gdi/SConscript
@@ -0,0 +1,23 @@
+#######################################################################
+# SConscript for xlib winsys
+
+
+Import('*')
+
+if env['platform'] == 'windows':
+
+ env = env.Clone()
+
+ env.Append(CPPPATH = [
+ '#/src/gallium/include',
+ '#/src/gallium/auxiliary',
+ '#/src/gallium/drivers',
+ ])
+
+ ws_gdi = env.ConvenienceLibrary(
+ target = 'ws_gdi',
+ source = [
+ 'gdi_sw_winsys.c',
+ ]
+ )
+ Export('ws_gdi')
diff --git a/src/gallium/winsys/sw/gdi/gdi_sw_winsys.c b/src/gallium/winsys/sw/gdi/gdi_sw_winsys.c
new file mode 100644
index 00000000000..4dba4b577b8
--- /dev/null
+++ b/src/gallium/winsys/sw/gdi/gdi_sw_winsys.c
@@ -0,0 +1,247 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * 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.
+ *
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * GDI software rasterizer support.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+
+#include <windows.h>
+
+#include "pipe/p_format.h"
+#include "pipe/p_context.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "state_tracker/sw_winsys.h"
+#include "gdi_sw_winsys.h"
+
+
+struct gdi_sw_displaytarget
+{
+ enum pipe_format format;
+ unsigned width;
+ unsigned height;
+ unsigned stride;
+
+ unsigned size;
+
+ void *data;
+
+ BITMAPINFO bmi;
+};
+
+
+/** Cast wrapper */
+static INLINE struct gdi_sw_displaytarget *
+gdi_sw_displaytarget( struct sw_displaytarget *buf )
+{
+ return (struct gdi_sw_displaytarget *)buf;
+}
+
+
+static boolean
+gdi_sw_is_displaytarget_format_supported( struct sw_winsys *ws,
+ unsigned tex_usage,
+ enum pipe_format format )
+{
+ switch(format) {
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ return TRUE;
+
+ /* TODO: Support other formats possible with BMPs, as described in
+ * http://msdn.microsoft.com/en-us/library/dd183376(VS.85).aspx */
+
+ default:
+ return FALSE;
+ }
+}
+
+
+static void *
+gdi_sw_displaytarget_map(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ unsigned flags )
+{
+ struct gdi_sw_displaytarget *gdt = gdi_sw_displaytarget(dt);
+
+ return gdt->data;
+}
+
+
+static void
+gdi_sw_displaytarget_unmap(struct sw_winsys *ws,
+ struct sw_displaytarget *dt )
+{
+
+}
+
+
+static void
+gdi_sw_displaytarget_destroy(struct sw_winsys *winsys,
+ struct sw_displaytarget *dt)
+{
+ struct gdi_sw_displaytarget *gdt = gdi_sw_displaytarget(dt);
+
+ align_free(gdt->data);
+ FREE(gdt);
+}
+
+
+static struct sw_displaytarget *
+gdi_sw_displaytarget_create(struct sw_winsys *winsys,
+ unsigned tex_usage,
+ enum pipe_format format,
+ unsigned width, unsigned height,
+ unsigned alignment,
+ unsigned *stride)
+{
+ struct gdi_sw_displaytarget *gdt;
+ unsigned cpp;
+ unsigned bpp;
+
+ gdt = CALLOC_STRUCT(gdi_sw_displaytarget);
+ if(!gdt)
+ goto no_gdt;
+
+ gdt->format = format;
+ gdt->width = width;
+ gdt->height = height;
+
+ bpp = util_format_get_blocksizebits(format);
+ cpp = util_format_get_blocksize(format);
+
+ gdt->stride = align(width * cpp, alignment);
+ gdt->size = gdt->stride * height;
+
+ gdt->data = align_malloc(gdt->size, alignment);
+ if(!gdt->data)
+ goto no_data;
+
+ gdt->bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ gdt->bmi.bmiHeader.biWidth = gdt->stride / cpp;
+ gdt->bmi.bmiHeader.biHeight= -(long)height;
+ gdt->bmi.bmiHeader.biPlanes = 1;
+ gdt->bmi.bmiHeader.biBitCount = bpp;
+ gdt->bmi.bmiHeader.biCompression = BI_RGB;
+ gdt->bmi.bmiHeader.biSizeImage = 0;
+ gdt->bmi.bmiHeader.biXPelsPerMeter = 0;
+ gdt->bmi.bmiHeader.biYPelsPerMeter = 0;
+ gdt->bmi.bmiHeader.biClrUsed = 0;
+ gdt->bmi.bmiHeader.biClrImportant = 0;
+
+ *stride = gdt->stride;
+ return (struct sw_displaytarget *)gdt;
+
+no_data:
+ FREE(gdt);
+no_gdt:
+ return NULL;
+}
+
+
+static struct sw_displaytarget *
+gdi_sw_displaytarget_from_handle(struct sw_winsys *winsys,
+ const struct pipe_texture *templet,
+ struct winsys_handle *whandle,
+ unsigned *stride)
+{
+ assert(0);
+ return NULL;
+}
+
+
+static boolean
+gdi_sw_displaytarget_get_handle(struct sw_winsys *winsys,
+ struct sw_displaytarget *dt,
+ struct winsys_handle *whandle)
+{
+ assert(0);
+ return FALSE;
+}
+
+
+void
+gdi_sw_display( struct sw_winsys *winsys,
+ struct sw_displaytarget *dt,
+ HDC hDC )
+{
+ struct gdi_sw_displaytarget *gdt = gdi_sw_displaytarget(dt);
+
+ StretchDIBits(hDC,
+ 0, 0, gdt->width, gdt->height,
+ 0, 0, gdt->width, gdt->height,
+ gdt->data, &gdt->bmi, 0, SRCCOPY);
+}
+
+static void
+gdi_sw_displaytarget_display(struct sw_winsys *winsys,
+ struct sw_displaytarget *dt,
+ void *context_private)
+{
+ /* nasty:
+ */
+ HDC hDC = (HDC)context_private;
+
+ gdi_sw_display(winsys, dt, hDC);
+}
+
+
+static void
+gdi_sw_destroy(struct sw_winsys *winsys)
+{
+ FREE(winsys);
+}
+
+struct sw_winsys *
+gdi_create_sw_winsys(void)
+{
+ static struct sw_winsys *winsys;
+
+ winsys = CALLOC_STRUCT(sw_winsys);
+ if(!winsys)
+ return NULL;
+
+ winsys->destroy = gdi_sw_destroy;
+ winsys->is_displaytarget_format_supported = gdi_sw_is_displaytarget_format_supported;
+ winsys->displaytarget_create = gdi_sw_displaytarget_create;
+ winsys->displaytarget_from_handle = gdi_sw_displaytarget_from_handle;
+ winsys->displaytarget_get_handle = gdi_sw_displaytarget_get_handle;
+ winsys->displaytarget_map = gdi_sw_displaytarget_map;
+ winsys->displaytarget_unmap = gdi_sw_displaytarget_unmap;
+ winsys->displaytarget_display = gdi_sw_displaytarget_display;
+ winsys->displaytarget_destroy = gdi_sw_displaytarget_destroy;
+
+ return winsys;
+}
+
diff --git a/src/gallium/winsys/sw/gdi/gdi_sw_winsys.h b/src/gallium/winsys/sw/gdi/gdi_sw_winsys.h
new file mode 100644
index 00000000000..4bbcb47848b
--- /dev/null
+++ b/src/gallium/winsys/sw/gdi/gdi_sw_winsys.h
@@ -0,0 +1,16 @@
+#ifndef GDI_SW_WINSYS_H
+#define GDI_SW_WINSYS_H
+
+#include <windows.h>
+
+#include "pipe/p_compiler.h"
+#include "state_tracker/sw_winsys.h"
+
+void gdi_sw_display( struct sw_winsys *winsys,
+ struct sw_displaytarget *dt,
+ HDC hDC );
+
+struct sw_winsys *
+gdi_create_sw_winsys(void);
+
+#endif
diff --git a/src/gallium/winsys/sw/null/Makefile b/src/gallium/winsys/sw/null/Makefile
new file mode 100644
index 00000000000..b1882b582e9
--- /dev/null
+++ b/src/gallium/winsys/sw/null/Makefile
@@ -0,0 +1,16 @@
+TOP = ../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = ws_null
+
+LIBRARY_INCLUDES = \
+ -I$(TOP)/src/gallium/include \
+ -I$(TOP)/src/gallium/drivers \
+ -I$(TOP)/src/gallium/auxiliary
+
+C_SOURCES = \
+ null_sw_winsys.c
+
+include ../../../Makefile.template
+
+
diff --git a/src/gallium/winsys/sw/null/SConscript b/src/gallium/winsys/sw/null/SConscript
new file mode 100644
index 00000000000..21837dc60c2
--- /dev/null
+++ b/src/gallium/winsys/sw/null/SConscript
@@ -0,0 +1,21 @@
+#######################################################################
+# SConscript for xlib winsys
+
+
+Import('*')
+
+env = env.Clone()
+
+env.Append(CPPPATH = [
+ '#/src/gallium/include',
+ '#/src/gallium/auxiliary',
+ '#/src/gallium/drivers',
+])
+
+ws_null = env.ConvenienceLibrary(
+ target = 'ws_null',
+ source = [
+ 'null_sw_winsys.c',
+ ]
+)
+Export('ws_null')
diff --git a/src/gallium/winsys/sw/null/null_sw_winsys.c b/src/gallium/winsys/sw/null/null_sw_winsys.c
new file mode 100644
index 00000000000..5027e57b303
--- /dev/null
+++ b/src/gallium/winsys/sw/null/null_sw_winsys.c
@@ -0,0 +1,148 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Null software rasterizer winsys.
+ *
+ * There is no present support. Framebuffer data needs to be obtained via
+ * transfers.
+ *
+ * @author Jose Fonseca
+ */
+
+
+#include "pipe/p_format.h"
+#include "util/u_memory.h"
+#include "state_tracker/sw_winsys.h"
+#include "null_sw_winsys.h"
+
+
+static boolean
+null_sw_is_displaytarget_format_supported(struct sw_winsys *ws,
+ unsigned tex_usage,
+ enum pipe_format format )
+{
+ return FALSE;
+}
+
+
+static void *
+null_sw_displaytarget_map(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ unsigned flags )
+{
+ assert(0);
+ return NULL;
+}
+
+
+static void
+null_sw_displaytarget_unmap(struct sw_winsys *ws,
+ struct sw_displaytarget *dt )
+{
+ assert(0);
+}
+
+
+static void
+null_sw_displaytarget_destroy(struct sw_winsys *winsys,
+ struct sw_displaytarget *dt)
+{
+ assert(0);
+}
+
+
+static struct sw_displaytarget *
+null_sw_displaytarget_create(struct sw_winsys *winsys,
+ unsigned tex_usage,
+ enum pipe_format format,
+ unsigned width, unsigned height,
+ unsigned alignment,
+ unsigned *stride)
+{
+ return NULL;
+}
+
+
+static struct sw_displaytarget *
+null_sw_displaytarget_from_handle(struct sw_winsys *winsys,
+ const struct pipe_texture *templet,
+ struct winsys_handle *whandle,
+ unsigned *stride)
+{
+ return NULL;
+}
+
+
+static boolean
+null_sw_displaytarget_get_handle(struct sw_winsys *winsys,
+ struct sw_displaytarget *dt,
+ struct winsys_handle *whandle)
+{
+ assert(0);
+ return FALSE;
+}
+
+
+static void
+null_sw_displaytarget_display(struct sw_winsys *winsys,
+ struct sw_displaytarget *dt,
+ void *context_private)
+{
+ assert(0);
+}
+
+
+static void
+null_sw_destroy(struct sw_winsys *winsys)
+{
+ FREE(winsys);
+}
+
+
+struct sw_winsys *
+null_sw_create(void)
+{
+ static struct sw_winsys *winsys;
+
+ winsys = CALLOC_STRUCT(sw_winsys);
+ if (!winsys)
+ return NULL;
+
+ winsys->destroy = null_sw_destroy;
+ winsys->is_displaytarget_format_supported = null_sw_is_displaytarget_format_supported;
+ winsys->displaytarget_create = null_sw_displaytarget_create;
+ winsys->displaytarget_from_handle = null_sw_displaytarget_from_handle;
+ winsys->displaytarget_get_handle = null_sw_displaytarget_get_handle;
+ winsys->displaytarget_map = null_sw_displaytarget_map;
+ winsys->displaytarget_unmap = null_sw_displaytarget_unmap;
+ winsys->displaytarget_display = null_sw_displaytarget_display;
+ winsys->displaytarget_destroy = null_sw_displaytarget_destroy;
+
+ return winsys;
+}
diff --git a/src/gallium/winsys/sw/null/null_sw_winsys.h b/src/gallium/winsys/sw/null/null_sw_winsys.h
new file mode 100644
index 00000000000..1986186febe
--- /dev/null
+++ b/src/gallium/winsys/sw/null/null_sw_winsys.h
@@ -0,0 +1,40 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * 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.
+ *
+ **************************************************************************/
+
+
+#ifndef NULL_SW_WINSYS_H_
+#define NULL_SW_WINSYS_H_
+
+
+struct sw_winsys;
+
+
+struct sw_winsys *
+null_sw_create(void);
+
+
+#endif /* NULL_SW_WINSYS_H_ */
diff --git a/src/gallium/winsys/sw/wrapper/Makefile b/src/gallium/winsys/sw/wrapper/Makefile
new file mode 100644
index 00000000000..4771fbcf700
--- /dev/null
+++ b/src/gallium/winsys/sw/wrapper/Makefile
@@ -0,0 +1,12 @@
+TOP = ../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = wsw
+
+C_SOURCES = wrapper_sw_winsys.c
+
+LIBRARY_INCLUDES =
+
+LIBRARY_DEFINES =
+
+include ../../../Makefile.template
diff --git a/src/gallium/winsys/sw/wrapper/wrapper_sw_winsys.c b/src/gallium/winsys/sw/wrapper/wrapper_sw_winsys.c
new file mode 100644
index 00000000000..459b1c1e2a3
--- /dev/null
+++ b/src/gallium/winsys/sw/wrapper/wrapper_sw_winsys.c
@@ -0,0 +1,282 @@
+/**********************************************************
+ * Copyright 2010 VMware, Inc. 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 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.
+ *
+ **********************************************************/
+
+
+#include "wrapper_sw_winsys.h"
+
+#include "pipe/p_format.h"
+#include "pipe/p_state.h"
+
+#include "state_tracker/sw_winsys.h"
+
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+
+/*
+ * This code wraps a pipe_screen and exposes a sw_winsys interface for use
+ * with software resterizers. This code is used by the DRM based winsys to
+ * allow access to the drm driver.
+ *
+ * We must borrow the whole stack because only the pipe screen knows how
+ * to decode the content of a buffer. Or how to create a buffer that
+ * can still be used by drivers using real hardware (as the case is
+ * with software st/xorg but hw st/dri).
+ *
+ * We also need a pipe context for the transfers.
+ */
+
+struct wrapper_sw_winsys
+{
+ struct sw_winsys base;
+ struct pipe_screen *screen;
+ struct pipe_context *pipe;
+};
+
+struct wrapper_sw_displaytarget
+{
+ struct wrapper_sw_winsys *winsys;
+ struct pipe_texture *tex;
+ struct pipe_transfer *transfer;
+
+ unsigned width;
+ unsigned height;
+ unsigned map_count;
+ unsigned stride; /**< because we give stride at create */
+ void *ptr;
+};
+
+static INLINE struct wrapper_sw_winsys *
+wrapper_sw_winsys(struct sw_winsys *ws)
+{
+ return (struct wrapper_sw_winsys *)ws;
+}
+
+static INLINE struct wrapper_sw_displaytarget *
+wrapper_sw_displaytarget(struct sw_displaytarget *dt)
+{
+ return (struct wrapper_sw_displaytarget *)dt;
+}
+
+
+/*
+ * Functions
+ */
+
+
+static boolean
+wsw_dt_get_stride(struct wrapper_sw_displaytarget *wdt, unsigned *stride)
+{
+ struct pipe_context *pipe = wdt->winsys->pipe;
+ struct pipe_texture *tex = wdt->tex;
+ struct pipe_transfer *tr;
+
+ tr = pipe->get_tex_transfer(pipe, tex, 0, 0, 0,
+ PIPE_TRANSFER_READ_WRITE,
+ 0, 0, wdt->width, wdt->height);
+ if (!tr)
+ return FALSE;
+
+ *stride = tr->stride;
+ wdt->stride = tr->stride;
+
+ pipe->tex_transfer_destroy(pipe, tr);
+
+ return TRUE;
+}
+
+static struct sw_displaytarget *
+wsw_dt_wrap_texture(struct wrapper_sw_winsys *wsw,
+ struct pipe_texture *tex, unsigned *stride)
+{
+ struct wrapper_sw_displaytarget *wdt = CALLOC_STRUCT(wrapper_sw_displaytarget);
+ if (!wdt)
+ goto err_unref;
+
+ wdt->tex = tex;
+ wdt->winsys = wsw;
+
+ if (!wsw_dt_get_stride(wdt, stride))
+ goto err_free;
+
+ return (struct sw_displaytarget *)wdt;
+
+err_free:
+ FREE(wdt);
+err_unref:
+ pipe_texture_reference(&tex, NULL);
+ return NULL;
+}
+
+static struct sw_displaytarget *
+wsw_dt_create(struct sw_winsys *ws,
+ unsigned tex_usage,
+ enum pipe_format format,
+ unsigned width, unsigned height,
+ unsigned alignment,
+ unsigned *stride)
+{
+ struct wrapper_sw_winsys *wsw = wrapper_sw_winsys(ws);
+ struct pipe_texture templ;
+ struct pipe_texture *tex;
+
+ /*
+ * XXX Why don't we just get the template.
+ */
+ memset(&templ, 0, sizeof(templ));
+ templ.width0 = width;
+ templ.height0 = height;
+ templ.format = format;
+ templ.tex_usage = tex_usage;
+
+ /* XXX alignment: we can't do anything about this */
+
+ tex = wsw->screen->texture_create(wsw->screen, &templ);
+ if (!tex)
+ return NULL;
+
+ return wsw_dt_wrap_texture(wsw, tex, stride);
+}
+
+static struct sw_displaytarget *
+wsw_dt_from_handle(struct sw_winsys *ws,
+ const struct pipe_texture *templ,
+ struct winsys_handle *whandle,
+ unsigned *stride)
+{
+ struct wrapper_sw_winsys *wsw = wrapper_sw_winsys(ws);
+ struct pipe_texture *tex;
+
+ tex = wsw->screen->texture_from_handle(wsw->screen, templ, whandle);
+ if (!tex)
+ return NULL;
+
+ return wsw_dt_wrap_texture(wsw, tex, stride);
+}
+
+static void *
+wsw_dt_map(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ unsigned flags)
+{
+ struct wrapper_sw_displaytarget *wdt = wrapper_sw_displaytarget(dt);
+ struct pipe_context *pipe = wdt->winsys->pipe;
+ struct pipe_texture *tex = wdt->tex;
+ struct pipe_transfer *tr;
+ void *ptr;
+
+ if (!wdt->map_count) {
+
+ assert(!wdt->transfer);
+
+ tr = pipe->get_tex_transfer(pipe, tex, 0, 0, 0,
+ PIPE_TRANSFER_READ_WRITE,
+ 0, 0, wdt->width, wdt->height);
+ if (!tr)
+ return NULL;
+
+ ptr = pipe->transfer_map(pipe, tr);
+ if (!ptr)
+ goto err;
+
+ wdt->transfer = tr;
+ wdt->ptr = ptr;
+
+ /* XXX Handle this case */
+ assert(tr->stride == wdt->stride);
+ }
+
+ wdt->map_count++;
+
+ return wdt->ptr;
+
+err:
+ pipe->tex_transfer_destroy(pipe, tr);
+ return NULL;
+}
+
+static void
+wsw_dt_unmap(struct sw_winsys *ws,
+ struct sw_displaytarget *dt)
+{
+ struct wrapper_sw_displaytarget *wdt = wrapper_sw_displaytarget(dt);
+ struct pipe_context *pipe = wdt->winsys->pipe;
+
+ assert(wdt->transfer);
+
+ wdt->map_count--;
+
+ if (wdt->map_count)
+ return;
+
+ pipe->transfer_unmap(pipe, wdt->transfer);
+ pipe->tex_transfer_destroy(pipe, wdt->transfer);
+ wdt->transfer = NULL;
+}
+
+static void
+wsw_dt_destroy(struct sw_winsys *ws,
+ struct sw_displaytarget *dt)
+{
+ struct wrapper_sw_displaytarget *wdt = wrapper_sw_displaytarget(dt);
+
+ pipe_texture_reference(&wdt->tex, NULL);
+
+ FREE(wdt);
+}
+
+static void
+wsw_destroy(struct sw_winsys *ws)
+{
+ struct wrapper_sw_winsys *wsw = wrapper_sw_winsys(ws);
+
+ wsw->pipe->destroy(wsw->pipe);
+ wsw->screen->destroy(wsw->screen);
+
+ FREE(wsw);
+}
+
+struct sw_winsys *
+wrapper_sw_winsys_warp_pipe_screen(struct pipe_screen *screen)
+{
+ struct wrapper_sw_winsys *wsw = CALLOC_STRUCT(wrapper_sw_winsys);
+
+ wsw->base.displaytarget_create = wsw_dt_create;
+ wsw->base.displaytarget_from_handle = wsw_dt_from_handle;
+ wsw->base.displaytarget_map = wsw_dt_map;
+ wsw->base.displaytarget_unmap = wsw_dt_unmap;
+ wsw->base.displaytarget_destroy = wsw_dt_destroy;
+ wsw->base.destroy = wsw_destroy;
+
+ wsw->screen = screen;
+ wsw->pipe = screen->context_create(screen, NULL);
+ if (!wsw->pipe)
+ goto err;
+
+ return &wsw->base;
+
+err:
+ FREE(wsw);
+ return NULL;
+}
diff --git a/src/gallium/winsys/sw/wrapper/wrapper_sw_winsys.h b/src/gallium/winsys/sw/wrapper/wrapper_sw_winsys.h
new file mode 100644
index 00000000000..b5c25a3c50f
--- /dev/null
+++ b/src/gallium/winsys/sw/wrapper/wrapper_sw_winsys.h
@@ -0,0 +1,35 @@
+/**********************************************************
+ * Copyright 2010 VMware, Inc. 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 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.
+ *
+ **********************************************************/
+
+
+#ifndef WRAPPER_SW_WINSYS
+#define WRAPPER_SW_WINSYS
+
+struct sw_winsys;
+struct pipe_screen;
+
+struct sw_winsys *wrapper_sw_winsys_warp_pipe_screen(struct pipe_screen *screen);
+
+#endif
diff --git a/src/gallium/winsys/sw/xlib/Makefile b/src/gallium/winsys/sw/xlib/Makefile
new file mode 100644
index 00000000000..c6693899281
--- /dev/null
+++ b/src/gallium/winsys/sw/xlib/Makefile
@@ -0,0 +1,17 @@
+TOP = ../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = ws_xlib
+
+LIBRARY_INCLUDES = \
+ -I$(TOP)/src/gallium/include \
+ -I$(TOP)/src/gallium/drivers \
+ -I$(TOP)/src/gallium/auxiliary \
+ $(X11_CFLAGS)
+
+C_SOURCES = \
+ xlib_sw_winsys.c
+
+include ../../../Makefile.template
+
+
diff --git a/src/gallium/winsys/sw/xlib/SConscript b/src/gallium/winsys/sw/xlib/SConscript
new file mode 100644
index 00000000000..2af6153b4c7
--- /dev/null
+++ b/src/gallium/winsys/sw/xlib/SConscript
@@ -0,0 +1,23 @@
+#######################################################################
+# SConscript for xlib winsys
+
+
+Import('*')
+
+if env['platform'] == 'linux':
+
+ env = env.Clone()
+
+ env.Append(CPPPATH = [
+ '#/src/gallium/include',
+ '#/src/gallium/auxiliary',
+ '#/src/gallium/drivers',
+ ])
+
+ ws_xlib = env.ConvenienceLibrary(
+ target = 'ws_xlib',
+ source = [
+ 'xlib_sw_winsys.c',
+ ]
+ )
+ Export('ws_xlib')
diff --git a/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c b/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c
new file mode 100644
index 00000000000..54789d7a87c
--- /dev/null
+++ b/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c
@@ -0,0 +1,464 @@
+/**************************************************************************
+ *
+ * Copyright 2007 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
+ * Brian Paul
+ */
+
+#include "pipe/p_format.h"
+#include "pipe/p_context.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
+#include "state_tracker/xlib_sw_winsys.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xlibint.h>
+#include <X11/Xutil.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <X11/extensions/XShm.h>
+
+/**
+ * Subclass of pipe_buffer for Xlib winsys.
+ * Low-level OS/window system memory buffer
+ */
+struct xm_displaytarget
+{
+ enum pipe_format format;
+ unsigned width;
+ unsigned height;
+ unsigned stride;
+
+ void *data;
+ void *mapped;
+
+ Display *display;
+ Visual *visual;
+ XImage *tempImage;
+ GC gc;
+
+ /* This is the last drawable that this display target was presented
+ * against. May need to recreate gc, tempImage when this changes??
+ */
+ Drawable drawable;
+
+ XShmSegmentInfo shminfo;
+ int shm;
+};
+
+
+/**
+ * Subclass of sw_winsys for Xlib winsys
+ */
+struct xlib_sw_winsys
+{
+ struct sw_winsys base;
+
+
+
+ Display *display;
+};
+
+
+
+/** Cast wrapper */
+static INLINE struct xm_displaytarget *
+xm_displaytarget( struct sw_displaytarget *dt )
+{
+ return (struct xm_displaytarget *)dt;
+}
+
+
+/**
+ * X Shared Memory Image extension code
+ */
+
+static volatile int mesaXErrorFlag = 0;
+
+/**
+ * Catches potential Xlib errors.
+ */
+static int
+mesaHandleXError(Display *dpy, XErrorEvent *event)
+{
+ (void) dpy;
+ (void) event;
+ mesaXErrorFlag = 1;
+ return 0;
+}
+
+
+static char *alloc_shm(struct xm_displaytarget *buf, unsigned size)
+{
+ XShmSegmentInfo *const shminfo = & buf->shminfo;
+
+ shminfo->shmid = shmget(IPC_PRIVATE, size, IPC_CREAT|0777);
+ if (shminfo->shmid < 0) {
+ return NULL;
+ }
+
+ shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0);
+ if (shminfo->shmaddr == (char *) -1) {
+ shmctl(shminfo->shmid, IPC_RMID, 0);
+ return NULL;
+ }
+
+ shminfo->readOnly = False;
+ return shminfo->shmaddr;
+}
+
+
+/**
+ * Allocate a shared memory XImage back buffer for the given XMesaBuffer.
+ */
+static void
+alloc_shm_ximage(struct xm_displaytarget *xm_dt,
+ struct xlib_drawable *xmb,
+ unsigned width, unsigned height)
+{
+ /*
+ * We have to do a _lot_ of error checking here to be sure we can
+ * really use the XSHM extension. It seems different servers trigger
+ * errors at different points if the extension won't work. Therefore
+ * we have to be very careful...
+ */
+ int (*old_handler)(Display *, XErrorEvent *);
+
+ xm_dt->tempImage = XShmCreateImage(xm_dt->display,
+ xmb->visual,
+ xmb->depth,
+ ZPixmap,
+ NULL,
+ &xm_dt->shminfo,
+ width, height);
+ if (xm_dt->tempImage == NULL) {
+ xm_dt->shm = 0;
+ return;
+ }
+
+
+ mesaXErrorFlag = 0;
+ old_handler = XSetErrorHandler(mesaHandleXError);
+ /* This may trigger the X protocol error we're ready to catch: */
+ XShmAttach(xm_dt->display, &xm_dt->shminfo);
+ XSync(xm_dt->display, False);
+
+ if (mesaXErrorFlag) {
+ /* we are on a remote display, this error is normal, don't print it */
+ XFlush(xm_dt->display);
+ mesaXErrorFlag = 0;
+ XDestroyImage(xm_dt->tempImage);
+ xm_dt->tempImage = NULL;
+ xm_dt->shm = 0;
+ (void) XSetErrorHandler(old_handler);
+ return;
+ }
+
+ xm_dt->shm = 1;
+}
+
+
+static void
+alloc_ximage(struct xm_displaytarget *xm_dt,
+ struct xlib_drawable *xmb,
+ unsigned width, unsigned height)
+{
+ if (xm_dt->shm) {
+ alloc_shm_ximage(xm_dt, xmb, width, height);
+ return;
+ }
+
+ xm_dt->tempImage = XCreateImage(xm_dt->display,
+ xmb->visual,
+ xmb->depth,
+ ZPixmap, 0,
+ NULL, width, height,
+ 8, 0);
+}
+
+static boolean
+xm_is_displaytarget_format_supported( struct sw_winsys *ws,
+ unsigned tex_usage,
+ enum pipe_format format )
+{
+ /* TODO: check visuals or other sensible thing here */
+ return TRUE;
+}
+
+
+static void *
+xm_displaytarget_map(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ unsigned flags)
+{
+ struct xm_displaytarget *xm_dt = xm_displaytarget(dt);
+ xm_dt->mapped = xm_dt->data;
+ return xm_dt->mapped;
+}
+
+static void
+xm_displaytarget_unmap(struct sw_winsys *ws,
+ struct sw_displaytarget *dt)
+{
+ struct xm_displaytarget *xm_dt = xm_displaytarget(dt);
+ xm_dt->mapped = NULL;
+}
+
+static void
+xm_displaytarget_destroy(struct sw_winsys *ws,
+ struct sw_displaytarget *dt)
+{
+ struct xm_displaytarget *xm_dt = xm_displaytarget(dt);
+
+ if (xm_dt->data) {
+ if (xm_dt->shminfo.shmid >= 0) {
+ shmdt(xm_dt->shminfo.shmaddr);
+ shmctl(xm_dt->shminfo.shmid, IPC_RMID, 0);
+
+ xm_dt->shminfo.shmid = -1;
+ xm_dt->shminfo.shmaddr = (char *) -1;
+ }
+ else {
+ FREE(xm_dt->data);
+ }
+ }
+
+ if (xm_dt->tempImage)
+ XDestroyImage(xm_dt->tempImage);
+
+ if (xm_dt->gc)
+ XFreeGC(xm_dt->display, xm_dt->gc);
+
+ FREE(xm_dt);
+}
+
+
+/**
+ * Display/copy the image in the surface into the X window specified
+ * by the XMesaBuffer.
+ */
+static void
+xlib_sw_display(struct xlib_drawable *xlib_drawable,
+ struct sw_displaytarget *dt)
+{
+ static boolean no_swap = 0;
+ static boolean firsttime = 1;
+ struct xm_displaytarget *xm_dt = xm_displaytarget(dt);
+ Display *display = xm_dt->display;
+ XImage *ximage;
+
+ if (firsttime) {
+ no_swap = getenv("SP_NO_RAST") != NULL;
+ firsttime = 0;
+ }
+
+ if (no_swap)
+ return;
+
+ if (xm_dt->drawable != xlib_drawable->drawable) {
+ if (xm_dt->gc) {
+ XFreeGC( display, xm_dt->gc );
+ xm_dt->gc = NULL;
+ }
+
+ if (xm_dt->tempImage) {
+ XDestroyImage( xm_dt->tempImage );
+ xm_dt->tempImage = NULL;
+ }
+
+ xm_dt->drawable = xlib_drawable->drawable;
+ }
+
+ if (xm_dt->tempImage == NULL) {
+ assert(util_format_get_blockwidth(xm_dt->format) == 1);
+ assert(util_format_get_blockheight(xm_dt->format) == 1);
+ alloc_ximage(xm_dt, xlib_drawable,
+ xm_dt->stride / util_format_get_blocksize(xm_dt->format),
+ xm_dt->height);
+ if (!xm_dt->tempImage)
+ return;
+ }
+
+ if (xm_dt->gc == NULL) {
+ xm_dt->gc = XCreateGC( display, xlib_drawable->drawable, 0, NULL );
+ XSetFunction( display, xm_dt->gc, GXcopy );
+ }
+
+ if (xm_dt->shm)
+ {
+ ximage = xm_dt->tempImage;
+ ximage->data = xm_dt->data;
+
+ /* _debug_printf("XSHM\n"); */
+ XShmPutImage(xm_dt->display, xlib_drawable->drawable, xm_dt->gc,
+ ximage, 0, 0, 0, 0, xm_dt->width, xm_dt->height, False);
+ }
+ else {
+ /* display image in Window */
+ ximage = xm_dt->tempImage;
+ ximage->data = xm_dt->data;
+
+ /* check that the XImage has been previously initialized */
+ assert(ximage->format);
+ assert(ximage->bitmap_unit);
+
+ /* update XImage's fields */
+ ximage->width = xm_dt->width;
+ ximage->height = xm_dt->height;
+ ximage->bytes_per_line = xm_dt->stride;
+
+ /* _debug_printf("XPUT\n"); */
+ XPutImage(xm_dt->display, xlib_drawable->drawable, xm_dt->gc,
+ ximage, 0, 0, 0, 0, xm_dt->width, xm_dt->height);
+ }
+}
+
+/**
+ * Display/copy the image in the surface into the X window specified
+ * by the XMesaBuffer.
+ */
+static void
+xm_displaytarget_display(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ void *context_private)
+{
+ struct xlib_drawable *xlib_drawable = (struct xlib_drawable *)context_private;
+ xlib_sw_display(xlib_drawable, dt);
+}
+
+
+static struct sw_displaytarget *
+xm_displaytarget_create(struct sw_winsys *winsys,
+ unsigned tex_usage,
+ enum pipe_format format,
+ unsigned width, unsigned height,
+ unsigned alignment,
+ unsigned *stride)
+{
+ struct xm_displaytarget *xm_dt;
+ unsigned nblocksy, size;
+
+ xm_dt = CALLOC_STRUCT(xm_displaytarget);
+ if(!xm_dt)
+ goto no_xm_dt;
+
+ xm_dt->display = ((struct xlib_sw_winsys *)winsys)->display;
+ xm_dt->format = format;
+ xm_dt->width = width;
+ xm_dt->height = height;
+
+ nblocksy = util_format_get_nblocksy(format, height);
+ xm_dt->stride = align(util_format_get_stride(format, width), alignment);
+ size = xm_dt->stride * nblocksy;
+
+ if (!debug_get_bool_option("XLIB_NO_SHM", FALSE))
+ {
+ xm_dt->shminfo.shmid = -1;
+ xm_dt->shminfo.shmaddr = (char *) -1;
+ xm_dt->shm = TRUE;
+
+ xm_dt->data = alloc_shm(xm_dt, size);
+ if(!xm_dt->data)
+ goto no_data;
+ }
+
+ if(!xm_dt->data) {
+ xm_dt->data = align_malloc(size, alignment);
+ if(!xm_dt->data)
+ goto no_data;
+ }
+
+ *stride = xm_dt->stride;
+ return (struct sw_displaytarget *)xm_dt;
+
+no_data:
+ FREE(xm_dt);
+no_xm_dt:
+ return NULL;
+}
+
+
+static struct sw_displaytarget *
+xm_displaytarget_from_handle(struct sw_winsys *winsys,
+ const struct pipe_texture *templet,
+ struct winsys_handle *whandle,
+ unsigned *stride)
+{
+ assert(0);
+ return NULL;
+}
+
+
+static boolean
+xm_displaytarget_get_handle(struct sw_winsys *winsys,
+ struct sw_displaytarget *dt,
+ struct winsys_handle *whandle)
+{
+ assert(0);
+ return FALSE;
+}
+
+
+static void
+xm_destroy( struct sw_winsys *ws )
+{
+ FREE(ws);
+}
+
+
+struct sw_winsys *
+xlib_create_sw_winsys( Display *display )
+{
+ struct xlib_sw_winsys *ws;
+
+ ws = CALLOC_STRUCT(xlib_sw_winsys);
+ if (!ws)
+ return NULL;
+
+ ws->display = display;
+ ws->base.destroy = xm_destroy;
+
+ ws->base.is_displaytarget_format_supported = xm_is_displaytarget_format_supported;
+
+ ws->base.displaytarget_create = xm_displaytarget_create;
+ ws->base.displaytarget_from_handle = xm_displaytarget_from_handle;
+ ws->base.displaytarget_get_handle = xm_displaytarget_get_handle;
+ ws->base.displaytarget_map = xm_displaytarget_map;
+ ws->base.displaytarget_unmap = xm_displaytarget_unmap;
+ ws->base.displaytarget_destroy = xm_displaytarget_destroy;
+
+ ws->base.displaytarget_display = xm_displaytarget_display;
+
+ return &ws->base;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 06:02:55 +0000