wgl: split into shared, (fake)wgl and icd directories

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 0000000000..63ee066824
--- /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 0000000000..2babc654da
--- /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 0000000000..1ecafa451e
--- /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 0000000000..2e16e421f2
--- /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 0000000000..7a054af3d3
--- /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 0000000000..0b67da8d25
--- /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 0000000000..bf1ec3fee7
--- /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 0000000000..8557327ccd
--- /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 */