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authorKeith Whitwell <[email protected]>2009-01-28 11:40:54 +0000
committerKeith Whitwell <[email protected]>2009-01-28 11:40:54 +0000
commit19d06f4e1692070afc7b3cab0ea1d78044820b0a (patch)
tree3521511119d22e13dbcafe9f4afc12559c256686 /src/gallium/state_trackers/wgl/shared
parent0e471ac45771393ea74178eb98f41b904168cf64 (diff)
wgl: split into shared, (fake)wgl and icd directories
Diffstat (limited to 'src/gallium/state_trackers/wgl/shared')
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_device.c102
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_device.h60
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_framebuffer.c181
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_framebuffer.h71
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_pixelformat.c120
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_pixelformat.h76
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_quirks.c108
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_winsys.h60
8 files changed, 778 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_device.c b/src/gallium/state_trackers/wgl/shared/stw_device.c
new file mode 100644
index 00000000000..63ee066824e
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/shared/stw_device.c
@@ -0,0 +1,102 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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 <windows.h>
+
+#include "pipe/p_debug.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_screen.h"
+
+#include "shared/stw_device.h"
+#include "shared/stw_winsys.h"
+#include "shared/stw_pixelformat.h"
+
+
+struct stw_device *stw_dev = NULL;
+
+
+/**
+ * XXX: Dispatch pipe_winsys::flush_front_buffer to our
+ * stw_winsys::flush_front_buffer.
+ */
+static void
+st_flush_frontbuffer(struct pipe_winsys *ws,
+ struct pipe_surface *surf,
+ void *context_private )
+{
+ const struct stw_winsys *stw_winsys = stw_dev->stw_winsys;
+ struct pipe_winsys *winsys = stw_dev->screen->winsys;
+ HDC hdc = (HDC)context_private;
+
+ stw_winsys->flush_frontbuffer(winsys, surf, hdc);
+}
+
+
+boolean
+st_init(const struct stw_winsys *stw_winsys)
+{
+ static struct stw_device stw_dev_storage;
+
+ assert(!stw_dev);
+
+ stw_dev = &stw_dev_storage;
+ memset(stw_dev, 0, sizeof(*stw_dev));
+
+ stw_dev->stw_winsys = stw_winsys;
+
+ stw_dev->screen = stw_winsys->create_screen();
+ if(!stw_dev->screen)
+ goto error1;
+
+ /* XXX: pipe_winsys::flush_frontbuffer should go away */
+ stw_dev->screen->winsys->flush_frontbuffer = st_flush_frontbuffer;
+
+ pixelformat_init();
+
+ return TRUE;
+
+error1:
+ stw_dev = NULL;
+ return FALSE;
+}
+
+
+void
+st_cleanup(void)
+{
+ DHGLRC dhglrc;
+
+ if(!stw_dev)
+ return;
+
+ /* Ensure all contexts are destroyed */
+ for (dhglrc = 1; dhglrc <= DRV_CONTEXT_MAX; dhglrc++)
+ if (stw_dev->ctx_array[dhglrc - 1].hglrc)
+ DrvDeleteContext( dhglrc );
+
+ stw_dev = NULL;
+}
diff --git a/src/gallium/state_trackers/wgl/shared/stw_device.h b/src/gallium/state_trackers/wgl/shared/stw_device.h
new file mode 100644
index 00000000000..2babc654daf
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/shared/stw_device.h
@@ -0,0 +1,60 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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 ST_DEVICE_H_
+#define ST_DEVICE_H_
+
+
+#include "icd/stw_icd.h"
+
+struct pipe_screen;
+
+
+struct drv_context
+{
+ HGLRC hglrc;
+};
+
+#define DRV_CONTEXT_MAX 32
+
+
+struct stw_device
+{
+ const struct stw_winsys *stw_winsys;
+
+ struct pipe_screen *screen;
+
+ struct drv_context ctx_array[DRV_CONTEXT_MAX];
+
+ DHGLRC ctx_current;
+};
+
+
+extern struct stw_device *stw_dev;
+
+
+#endif /* ST_DEVICE_H_ */
diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
new file mode 100644
index 00000000000..1ecafa451ee
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
@@ -0,0 +1,181 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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 <windows.h>
+
+#include "main/context.h"
+#include "pipe/p_format.h"
+#include "state_tracker/st_context.h"
+#include "state_tracker/st_public.h"
+#include "stw_framebuffer.h"
+
+void
+framebuffer_resize(
+ struct stw_framebuffer *fb,
+ GLuint width,
+ GLuint height )
+{
+ if (fb->hbmDIB == NULL || fb->stfb->Base.Width != width || fb->stfb->Base.Height != height) {
+ if (fb->hbmDIB)
+ DeleteObject( fb->hbmDIB );
+
+ fb->hbmDIB = CreateCompatibleBitmap(
+ fb->hDC,
+ width,
+ height );
+ }
+
+ st_resize_framebuffer( fb->stfb, width, height );
+}
+
+static struct stw_framebuffer *fb_head = NULL;
+
+static LRESULT CALLBACK
+window_proc(
+ HWND hWnd,
+ UINT uMsg,
+ WPARAM wParam,
+ LPARAM lParam )
+{
+ struct stw_framebuffer *fb;
+
+ for (fb = fb_head; fb != NULL; fb = fb->next)
+ if (fb->hWnd == hWnd)
+ break;
+ assert( fb != NULL );
+
+ if (uMsg == WM_SIZE && wParam != SIZE_MINIMIZED)
+ framebuffer_resize( fb, LOWORD( lParam ), HIWORD( lParam ) );
+
+ return CallWindowProc( fb->WndProc, hWnd, uMsg, wParam, lParam );
+}
+
+/* Create a new framebuffer object which will correspond to the given HDC.
+ */
+struct stw_framebuffer *
+framebuffer_create(
+ HDC hdc,
+ GLvisual *visual,
+ GLuint width,
+ GLuint height )
+{
+ struct stw_framebuffer *fb;
+ enum pipe_format colorFormat, depthFormat, stencilFormat;
+
+ fb = CALLOC_STRUCT( stw_framebuffer );
+ if (fb == NULL)
+ return NULL;
+
+ /* Determine PIPE_FORMATs for buffers.
+ */
+ colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
+
+ if (visual->depthBits == 0)
+ depthFormat = PIPE_FORMAT_NONE;
+ else if (visual->depthBits <= 16)
+ depthFormat = PIPE_FORMAT_Z16_UNORM;
+ else if (visual->depthBits <= 24)
+ depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+ else
+ depthFormat = PIPE_FORMAT_Z32_UNORM;
+
+ if (visual->stencilBits == 8) {
+ if (depthFormat == PIPE_FORMAT_S8Z24_UNORM)
+ stencilFormat = depthFormat;
+ else
+ stencilFormat = PIPE_FORMAT_S8_UNORM;
+ }
+ else {
+ stencilFormat = PIPE_FORMAT_NONE;
+ }
+
+ fb->stfb = st_create_framebuffer(
+ visual,
+ colorFormat,
+ depthFormat,
+ stencilFormat,
+ width,
+ height,
+ (void *) fb );
+
+ fb->cColorBits = GetDeviceCaps( hdc, BITSPIXEL );
+ fb->hDC = hdc;
+
+ /* Subclass a window associated with the device context.
+ */
+ fb->hWnd = WindowFromDC( hdc );
+ if (fb->hWnd != NULL) {
+ fb->WndProc = (WNDPROC) SetWindowLong(
+ fb->hWnd,
+ GWL_WNDPROC,
+ (LONG) window_proc );
+ }
+
+ fb->next = fb_head;
+ fb_head = fb;
+ return fb;
+}
+
+void
+framebuffer_destroy(
+ struct stw_framebuffer *fb )
+{
+ struct stw_framebuffer **link = &fb_head;
+ struct stw_framebuffer *pfb = fb_head;
+
+ while (pfb != NULL) {
+ if (pfb == fb) {
+ if (fb->hWnd != NULL) {
+ SetWindowLong(
+ fb->hWnd,
+ GWL_WNDPROC,
+ (LONG) fb->WndProc );
+ }
+
+ *link = fb->next;
+ FREE( fb );
+ return;
+ }
+
+ link = &pfb->next;
+ pfb = pfb->next;
+ }
+}
+
+/* Given an hdc, return the corresponding wgl_context.
+ */
+struct stw_framebuffer *
+framebuffer_from_hdc(
+ HDC hdc )
+{
+ struct stw_framebuffer *fb;
+
+ for (fb = fb_head; fb != NULL; fb = fb->next)
+ if (fb->hDC == hdc)
+ return fb;
+ return NULL;
+}
diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h
new file mode 100644
index 00000000000..2e16e421f2c
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.h
@@ -0,0 +1,71 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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 STW_FRAMEBUFFER_H
+#define STW_FRAMEBUFFER_H
+
+#include "main/mtypes.h"
+
+/* Windows framebuffer, derived from gl_framebuffer.
+ */
+struct stw_framebuffer
+{
+ struct st_framebuffer *stfb;
+ HDC hDC;
+ int pixelformat;
+ BYTE cColorBits;
+ HDC dib_hDC;
+ HBITMAP hbmDIB;
+ HBITMAP hOldBitmap;
+ PBYTE pbPixels;
+ HWND hWnd;
+ WNDPROC WndProc;
+ struct stw_framebuffer *next;
+};
+
+struct stw_framebuffer *
+framebuffer_create(
+ HDC hdc,
+ GLvisual *visual,
+ GLuint width,
+ GLuint height );
+
+void
+framebuffer_destroy(
+ struct stw_framebuffer *fb );
+
+void
+framebuffer_resize(
+ struct stw_framebuffer *fb,
+ GLuint width,
+ GLuint height );
+
+struct stw_framebuffer *
+framebuffer_from_hdc(
+ HDC hdc );
+
+#endif /* STW_FRAMEBUFFER_H */
diff --git a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
new file mode 100644
index 00000000000..7a054af3d3e
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
@@ -0,0 +1,120 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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 "pipe/p_debug.h"
+#include "stw_pixelformat.h"
+
+#define MAX_PIXELFORMATS 16
+
+static struct pixelformat_info pixelformats[MAX_PIXELFORMATS];
+static uint pixelformat_count = 0;
+static uint pixelformat_extended_count = 0;
+
+static void
+add_standard_pixelformats(
+ struct pixelformat_info **ppf,
+ uint flags )
+{
+ struct pixelformat_info *pf = *ppf;
+ struct pixelformat_color_info color24 = { 8, 0, 8, 8, 8, 16 };
+ struct pixelformat_alpha_info alpha8 = { 8, 24 };
+ struct pixelformat_alpha_info noalpha = { 0, 0 };
+ struct pixelformat_depth_info depth24s8 = { 24, 8 };
+ struct pixelformat_depth_info depth16 = { 16, 0 };
+
+ pf->flags = PF_FLAG_DOUBLEBUFFER | flags;
+ pf->color = color24;
+ pf->alpha = alpha8;
+ pf->depth = depth16;
+ pf++;
+
+ pf->flags = PF_FLAG_DOUBLEBUFFER | flags;
+ pf->color = color24;
+ pf->alpha = alpha8;
+ pf->depth = depth24s8;
+ pf++;
+
+ pf->flags = PF_FLAG_DOUBLEBUFFER | flags;
+ pf->color = color24;
+ pf->alpha = noalpha;
+ pf->depth = depth16;
+ pf++;
+
+ pf->flags = PF_FLAG_DOUBLEBUFFER | flags;
+ pf->color = color24;
+ pf->alpha = noalpha;
+ pf->depth = depth24s8;
+ pf++;
+
+ pf->flags = flags;
+ pf->color = color24;
+ pf->alpha = noalpha;
+ pf->depth = depth16;
+ pf++;
+
+ pf->flags = flags;
+ pf->color = color24;
+ pf->alpha = noalpha;
+ pf->depth = depth24s8;
+ pf++;
+
+ *ppf = pf;
+}
+
+void
+pixelformat_init( void )
+{
+ struct pixelformat_info *pf = pixelformats;
+
+ add_standard_pixelformats( &pf, 0 );
+ pixelformat_count = pf - pixelformats;
+
+ add_standard_pixelformats( &pf, PF_FLAG_MULTISAMPLED );
+ pixelformat_extended_count = pf - pixelformats;
+
+ assert( pixelformat_extended_count <= MAX_PIXELFORMATS );
+}
+
+uint
+pixelformat_get_count( void )
+{
+ return pixelformat_count;
+}
+
+uint
+pixelformat_get_extended_count( void )
+{
+ return pixelformat_extended_count;
+}
+
+const struct pixelformat_info *
+pixelformat_get_info( uint index )
+{
+ assert( index < pixelformat_extended_count );
+
+ return &pixelformats[index];
+}
diff --git a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.h b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.h
new file mode 100644
index 00000000000..0b67da8d25c
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.h
@@ -0,0 +1,76 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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 PIXELFORMAT_H
+#define PIXELFORMAT_H
+
+#define PF_FLAG_DOUBLEBUFFER 0x00000001
+#define PF_FLAG_MULTISAMPLED 0x00000002
+
+struct pixelformat_color_info
+{
+ uint redbits;
+ uint redshift;
+ uint greenbits;
+ uint greenshift;
+ uint bluebits;
+ uint blueshift;
+};
+
+struct pixelformat_alpha_info
+{
+ uint alphabits;
+ uint alphashift;
+};
+
+struct pixelformat_depth_info
+{
+ uint depthbits;
+ uint stencilbits;
+};
+
+struct pixelformat_info
+{
+ uint flags;
+ struct pixelformat_color_info color;
+ struct pixelformat_alpha_info alpha;
+ struct pixelformat_depth_info depth;
+};
+
+void
+pixelformat_init( void );
+
+uint
+pixelformat_get_count( void );
+
+uint
+pixelformat_get_extended_count( void );
+
+const struct pixelformat_info *
+pixelformat_get_info( uint index );
+
+#endif /* PIXELFORMAT_H */
diff --git a/src/gallium/state_trackers/wgl/shared/stw_quirks.c b/src/gallium/state_trackers/wgl/shared/stw_quirks.c
new file mode 100644
index 00000000000..bf1ec3fee76
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/shared/stw_quirks.c
@@ -0,0 +1,108 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ *
+ * This is hopefully a temporary hack to define some needed dispatch
+ * table entries. Hopefully, I'll find a better solution. The
+ * dispatch table generation scripts ought to be making these dummy
+ * stubs as well.
+ */
+
+void gl_dispatch_stub_543(void){}
+void gl_dispatch_stub_544(void){}
+void gl_dispatch_stub_545(void){}
+void gl_dispatch_stub_546(void){}
+void gl_dispatch_stub_547(void){}
+void gl_dispatch_stub_548(void){}
+void gl_dispatch_stub_549(void){}
+void gl_dispatch_stub_550(void){}
+void gl_dispatch_stub_551(void){}
+void gl_dispatch_stub_552(void){}
+void gl_dispatch_stub_553(void){}
+void gl_dispatch_stub_554(void){}
+void gl_dispatch_stub_555(void){}
+void gl_dispatch_stub_556(void){}
+void gl_dispatch_stub_557(void){}
+void gl_dispatch_stub_558(void){}
+void gl_dispatch_stub_559(void){}
+void gl_dispatch_stub_560(void){}
+void gl_dispatch_stub_561(void){}
+void gl_dispatch_stub_565(void){}
+void gl_dispatch_stub_566(void){}
+void gl_dispatch_stub_577(void){}
+void gl_dispatch_stub_578(void){}
+void gl_dispatch_stub_603(void){}
+void gl_dispatch_stub_645(void){}
+void gl_dispatch_stub_646(void){}
+void gl_dispatch_stub_647(void){}
+void gl_dispatch_stub_648(void){}
+void gl_dispatch_stub_649(void){}
+void gl_dispatch_stub_650(void){}
+void gl_dispatch_stub_651(void){}
+void gl_dispatch_stub_652(void){}
+void gl_dispatch_stub_653(void){}
+void gl_dispatch_stub_733(void){}
+void gl_dispatch_stub_734(void){}
+void gl_dispatch_stub_735(void){}
+void gl_dispatch_stub_736(void){}
+void gl_dispatch_stub_737(void){}
+void gl_dispatch_stub_738(void){}
+void gl_dispatch_stub_744(void){}
+void gl_dispatch_stub_745(void){}
+void gl_dispatch_stub_746(void){}
+void gl_dispatch_stub_760(void){}
+void gl_dispatch_stub_761(void){}
+void gl_dispatch_stub_763(void){}
+void gl_dispatch_stub_765(void){}
+void gl_dispatch_stub_766(void){}
+void gl_dispatch_stub_767(void){}
+void gl_dispatch_stub_768(void){}
+
+void gl_dispatch_stub_562(void){}
+void gl_dispatch_stub_563(void){}
+void gl_dispatch_stub_564(void){}
+void gl_dispatch_stub_567(void){}
+void gl_dispatch_stub_568(void){}
+void gl_dispatch_stub_569(void){}
+void gl_dispatch_stub_580(void){}
+void gl_dispatch_stub_581(void){}
+void gl_dispatch_stub_606(void){}
+void gl_dispatch_stub_654(void){}
+void gl_dispatch_stub_655(void){}
+void gl_dispatch_stub_656(void){}
+void gl_dispatch_stub_739(void){}
+void gl_dispatch_stub_740(void){}
+void gl_dispatch_stub_741(void){}
+void gl_dispatch_stub_748(void){}
+void gl_dispatch_stub_749(void){}
+void gl_dispatch_stub_769(void){}
+void gl_dispatch_stub_770(void){}
+void gl_dispatch_stub_771(void){}
+void gl_dispatch_stub_772(void){}
+void gl_dispatch_stub_773(void){}
diff --git a/src/gallium/state_trackers/wgl/shared/stw_winsys.h b/src/gallium/state_trackers/wgl/shared/stw_winsys.h
new file mode 100644
index 00000000000..8557327ccdd
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/shared/stw_winsys.h
@@ -0,0 +1,60 @@
+/**************************************************************************
+ *
+ * Copyright 2008 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 STW_WINSYS_H
+#define STW_WINSYS_H
+
+#include <windows.h> /* for HDC */
+
+#include "pipe/p_compiler.h"
+
+struct pipe_screen;
+struct pipe_context;
+struct pipe_winsys;
+struct pipe_surface;
+
+struct stw_winsys
+{
+ struct pipe_screen *
+ (*create_screen)( void );
+
+ struct pipe_context *
+ (*create_context)( struct pipe_screen *screen );
+
+ void
+ (*flush_frontbuffer)( struct pipe_winsys *winsys,
+ struct pipe_surface *surf,
+ HDC hDC );
+};
+
+boolean
+st_init(const struct stw_winsys *stw_winsys);
+
+void
+st_cleanup(void);
+
+#endif /* STW_WINSYS_H */