Merge commit 'origin/gallium-master-merge'

This is the big merge of the gallium-0.2 branch into master.
gallium-master-merge was just the staging area for it.
Both gallium-0.2 and gallium-master-merge are considered closed now.

Conflicts:

	progs/demos/Makefile
	src/mesa/main/state.c
	src/mesa/main/texenvprogram.c

1 files changed, 773 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/wgl/icd/stw_icd.c b/src/gallium/state_trackers/wgl/icd/stw_icd.c
new file mode 100644
index 0000000000..1aa4b8a6e2
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/icd/stw_icd.c
@@ -0,0 +1,773 @@
+/**************************************************************************
+ *
+ * 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 <stdio.h>
+
+#include "GL/gl.h"
+
+#include "pipe/p_debug.h"
+#include "pipe/p_thread.h"
+
+#include "shared/stw_public.h"
+#include "icd/stw_icd.h"
+#include "stw.h"
+
+
+#define DRV_CONTEXT_MAX 32
+
+struct stw_icd
+{
+   pipe_mutex mutex;
+
+   GLCLTPROCTABLE cpt;
+   boolean cpt_initialized;
+
+   struct {
+      struct stw_context *ctx;
+   } ctx_array[DRV_CONTEXT_MAX];
+};
+
+
+static struct stw_icd *stw_icd = NULL;
+
+
+boolean
+stw_icd_init( void )
+{
+   static struct stw_icd stw_icd_storage;
+
+   assert(!stw_icd);
+
+   stw_icd = &stw_icd_storage;
+   memset(stw_icd, 0, sizeof *stw_icd);
+
+   pipe_mutex_init( stw_icd->mutex );
+
+   return TRUE;
+}
+
+void
+stw_icd_cleanup(void)
+{
+   int i;
+
+   if (!stw_icd)
+      return;
+   
+   pipe_mutex_lock( stw_icd->mutex );
+   {
+      /* Ensure all contexts are destroyed */
+      for (i = 0; i < DRV_CONTEXT_MAX; i++)
+         if (stw_icd->ctx_array[i].ctx) 
+            stw_delete_context( stw_icd->ctx_array[i].ctx );
+   }
+   pipe_mutex_unlock( stw_icd->mutex );
+
+   pipe_mutex_init( stw_icd->mutex );
+   stw_icd = NULL;
+}
+
+
+static struct stw_context *
+lookup_context( struct stw_icd *icd, 
+                DHGLRC dhglrc )
+{
+   if (dhglrc == 0 || 
+       dhglrc >= DRV_CONTEXT_MAX)
+      return NULL;
+
+   if (icd == NULL)
+      return NULL;
+
+   return icd->ctx_array[dhglrc - 1].ctx;
+}
+
+BOOL APIENTRY
+DrvCopyContext(
+   DHGLRC dhrcSource,
+   DHGLRC dhrcDest,
+   UINT fuMask )
+{
+   BOOL ret = FALSE;
+
+   if (!stw_icd)
+      return FALSE;
+
+   pipe_mutex_lock( stw_icd->mutex );
+   {
+      struct stw_context *src = lookup_context( stw_icd, dhrcSource );
+      struct stw_context *dst = lookup_context( stw_icd, dhrcDest );
+   
+      if (src == NULL || dst == NULL) 
+         goto done;
+
+      ret = stw_copy_context( src, dst, fuMask );
+   }
+done:
+   pipe_mutex_unlock( stw_icd->mutex );
+
+   return ret;
+}
+
+DHGLRC APIENTRY
+DrvCreateLayerContext(
+   HDC hdc,
+   INT iLayerPlane )
+{
+   DHGLRC handle = 0;
+
+   if (!stw_icd)
+      return handle;
+
+   pipe_mutex_lock( stw_icd->mutex );
+   {
+      int i;
+
+      for (i = 0; i < DRV_CONTEXT_MAX; i++) {
+         if (stw_icd->ctx_array[i].ctx == NULL)
+            break;
+      }
+   
+      /* No slot available, fail:
+       */
+      if (i == DRV_CONTEXT_MAX)
+         goto done;
+
+      stw_icd->ctx_array[i].ctx = stw_create_context( hdc, iLayerPlane );
+      if (stw_icd->ctx_array[i].ctx == NULL) 
+         goto done;
+      
+      /* success:
+       */
+      handle = (DHGLRC) i + 1;
+   }
+done:
+   pipe_mutex_unlock( stw_icd->mutex );
+
+   return handle;
+}
+
+DHGLRC APIENTRY
+DrvCreateContext(
+   HDC hdc )
+{
+   return DrvCreateLayerContext( hdc, 0 );
+}
+
+BOOL APIENTRY
+DrvDeleteContext(
+   DHGLRC dhglrc )
+{
+   BOOL ret = FALSE;
+
+   if (!stw_icd)
+      return ret;
+
+   pipe_mutex_lock( stw_icd->mutex );
+   {
+      struct stw_context *ctx;
+
+      ctx = lookup_context( stw_icd, dhglrc );
+      if (ctx == NULL) 
+         goto done;
+      
+      if (stw_delete_context( ctx ) == FALSE)
+         goto done;
+      
+      stw_icd->ctx_array[dhglrc - 1].ctx = NULL;
+      ret = TRUE;
+
+   }
+done:
+   pipe_mutex_unlock( stw_icd->mutex );
+   
+   return ret;
+}
+
+BOOL APIENTRY
+DrvDescribeLayerPlane(
+   HDC hdc,
+   INT iPixelFormat,
+   INT iLayerPlane,
+   UINT nBytes,
+   LPLAYERPLANEDESCRIPTOR plpd )
+{
+   debug_printf( "%s\n", __FUNCTION__ );
+
+   return FALSE;
+}
+
+LONG APIENTRY
+DrvDescribePixelFormat(
+   HDC hdc,
+   INT iPixelFormat,
+   ULONG cjpfd,
+   PIXELFORMATDESCRIPTOR *ppfd )
+{
+   LONG r;
+
+   r = stw_pixelformat_describe( hdc, iPixelFormat, cjpfd, ppfd );
+
+   debug_printf( "%s( %p, %d, %u, %p ) = %d\n",
+                 __FUNCTION__, hdc, iPixelFormat, cjpfd, ppfd, r );
+
+   return r;
+}
+
+int APIENTRY
+DrvGetLayerPaletteEntries(
+   HDC hdc,
+   INT iLayerPlane,
+   INT iStart,
+   INT cEntries,
+   COLORREF *pcr )
+{
+   debug_printf( "%s\n", __FUNCTION__ );
+
+   return 0;
+}
+
+PROC APIENTRY
+DrvGetProcAddress(
+   LPCSTR lpszProc )
+{
+   PROC r;
+
+   r = stw_get_proc_address( lpszProc );
+
+   debug_printf( "%s( \", __FUNCTION__%s\" ) = %p\n", lpszProc, r );
+
+   return r;
+}
+
+BOOL APIENTRY
+DrvRealizeLayerPalette(
+   HDC hdc,
+   INT iLayerPlane,
+   BOOL bRealize )
+{
+   debug_printf( "%s\n", __FUNCTION__ );
+
+   return FALSE;
+}
+
+BOOL APIENTRY
+DrvReleaseContext(
+   DHGLRC dhglrc )
+{
+   BOOL ret = FALSE;
+
+   if (!stw_icd)
+      return ret;
+
+   pipe_mutex_lock( stw_icd->mutex );
+   {
+      struct stw_context *ctx;
+
+      /* XXX: The expectation is that ctx is the same context which is
+       * current for this thread.  We should check that and return False
+       * if not the case.
+       */
+      ctx = lookup_context( stw_icd, dhglrc );
+      if (ctx == NULL) 
+         goto done;
+
+      if (stw_make_current( NULL, NULL ) == FALSE)
+         goto done;
+
+      ret = TRUE;
+   }
+done:
+   pipe_mutex_unlock( stw_icd->mutex );
+
+   return ret;
+}
+
+void APIENTRY
+DrvSetCallbackProcs(
+   INT nProcs,
+   PROC *pProcs )
+{
+   debug_printf( "%s( %d, %p )\n", __FUNCTION__, nProcs, pProcs );
+
+   return;
+}
+
+
+static void init_proc_table( GLCLTPROCTABLE *cpt )
+{ 
+   GLDISPATCHTABLE *disp = &cpt->glDispatchTable;
+
+   memset( cpt, 0, sizeof *cpt );
+   cpt->cEntries = OPENGL_VERSION_110_ENTRIES;
+
+#define GPA_GL( NAME ) disp->NAME = gl##NAME
+   GPA_GL( NewList );
+   GPA_GL( EndList );
+   GPA_GL( CallList );
+   GPA_GL( CallLists );
+   GPA_GL( DeleteLists );
+   GPA_GL( GenLists );
+   GPA_GL( ListBase );
+   GPA_GL( Begin );
+   GPA_GL( Bitmap );
+   GPA_GL( Color3b );
+   GPA_GL( Color3bv );
+   GPA_GL( Color3d );
+   GPA_GL( Color3dv );
+   GPA_GL( Color3f );
+   GPA_GL( Color3fv );
+   GPA_GL( Color3i );
+   GPA_GL( Color3iv );
+   GPA_GL( Color3s );
+   GPA_GL( Color3sv );
+   GPA_GL( Color3ub );
+   GPA_GL( Color3ubv );
+   GPA_GL( Color3ui );
+   GPA_GL( Color3uiv );
+   GPA_GL( Color3us );
+   GPA_GL( Color3usv );
+   GPA_GL( Color4b );
+   GPA_GL( Color4bv );
+   GPA_GL( Color4d );
+   GPA_GL( Color4dv );
+   GPA_GL( Color4f );
+   GPA_GL( Color4fv );
+   GPA_GL( Color4i );
+   GPA_GL( Color4iv );
+   GPA_GL( Color4s );
+   GPA_GL( Color4sv );
+   GPA_GL( Color4ub );
+   GPA_GL( Color4ubv );
+   GPA_GL( Color4ui );
+   GPA_GL( Color4uiv );
+   GPA_GL( Color4us );
+   GPA_GL( Color4usv );
+   GPA_GL( EdgeFlag );
+   GPA_GL( EdgeFlagv );
+   GPA_GL( End );
+   GPA_GL( Indexd );
+   GPA_GL( Indexdv );
+   GPA_GL( Indexf );
+   GPA_GL( Indexfv );
+   GPA_GL( Indexi );
+   GPA_GL( Indexiv );
+   GPA_GL( Indexs );
+   GPA_GL( Indexsv );
+   GPA_GL( Normal3b );
+   GPA_GL( Normal3bv );
+   GPA_GL( Normal3d );
+   GPA_GL( Normal3dv );
+   GPA_GL( Normal3f );
+   GPA_GL( Normal3fv );
+   GPA_GL( Normal3i );
+   GPA_GL( Normal3iv );
+   GPA_GL( Normal3s );
+   GPA_GL( Normal3sv );
+   GPA_GL( RasterPos2d );
+   GPA_GL( RasterPos2dv );
+   GPA_GL( RasterPos2f );
+   GPA_GL( RasterPos2fv );
+   GPA_GL( RasterPos2i );
+   GPA_GL( RasterPos2iv );
+   GPA_GL( RasterPos2s );
+   GPA_GL( RasterPos2sv );
+   GPA_GL( RasterPos3d );
+   GPA_GL( RasterPos3dv );
+   GPA_GL( RasterPos3f );
+   GPA_GL( RasterPos3fv );
+   GPA_GL( RasterPos3i );
+   GPA_GL( RasterPos3iv );
+   GPA_GL( RasterPos3s );
+   GPA_GL( RasterPos3sv );
+   GPA_GL( RasterPos4d );
+   GPA_GL( RasterPos4dv );
+   GPA_GL( RasterPos4f );
+   GPA_GL( RasterPos4fv );
+   GPA_GL( RasterPos4i );
+   GPA_GL( RasterPos4iv );
+   GPA_GL( RasterPos4s );
+   GPA_GL( RasterPos4sv );
+   GPA_GL( Rectd );
+   GPA_GL( Rectdv );
+   GPA_GL( Rectf );
+   GPA_GL( Rectfv );
+   GPA_GL( Recti );
+   GPA_GL( Rectiv );
+   GPA_GL( Rects );
+   GPA_GL( Rectsv );
+   GPA_GL( TexCoord1d );
+   GPA_GL( TexCoord1dv );
+   GPA_GL( TexCoord1f );
+   GPA_GL( TexCoord1fv );
+   GPA_GL( TexCoord1i );
+   GPA_GL( TexCoord1iv );
+   GPA_GL( TexCoord1s );
+   GPA_GL( TexCoord1sv );
+   GPA_GL( TexCoord2d );
+   GPA_GL( TexCoord2dv );
+   GPA_GL( TexCoord2f );
+   GPA_GL( TexCoord2fv );
+   GPA_GL( TexCoord2i );
+   GPA_GL( TexCoord2iv );
+   GPA_GL( TexCoord2s );
+   GPA_GL( TexCoord2sv );
+   GPA_GL( TexCoord3d );
+   GPA_GL( TexCoord3dv );
+   GPA_GL( TexCoord3f );
+   GPA_GL( TexCoord3fv );
+   GPA_GL( TexCoord3i );
+   GPA_GL( TexCoord3iv );
+   GPA_GL( TexCoord3s );
+   GPA_GL( TexCoord3sv );
+   GPA_GL( TexCoord4d );
+   GPA_GL( TexCoord4dv );
+   GPA_GL( TexCoord4f );
+   GPA_GL( TexCoord4fv );
+   GPA_GL( TexCoord4i );
+   GPA_GL( TexCoord4iv );
+   GPA_GL( TexCoord4s );
+   GPA_GL( TexCoord4sv );
+   GPA_GL( Vertex2d );
+   GPA_GL( Vertex2dv );
+   GPA_GL( Vertex2f );
+   GPA_GL( Vertex2fv );
+   GPA_GL( Vertex2i );
+   GPA_GL( Vertex2iv );
+   GPA_GL( Vertex2s );
+   GPA_GL( Vertex2sv );
+   GPA_GL( Vertex3d );
+   GPA_GL( Vertex3dv );
+   GPA_GL( Vertex3f );
+   GPA_GL( Vertex3fv );
+   GPA_GL( Vertex3i );
+   GPA_GL( Vertex3iv );
+   GPA_GL( Vertex3s );
+   GPA_GL( Vertex3sv );
+   GPA_GL( Vertex4d );
+   GPA_GL( Vertex4dv );
+   GPA_GL( Vertex4f );
+   GPA_GL( Vertex4fv );
+   GPA_GL( Vertex4i );
+   GPA_GL( Vertex4iv );
+   GPA_GL( Vertex4s );
+   GPA_GL( Vertex4sv );
+   GPA_GL( ClipPlane );
+   GPA_GL( ColorMaterial );
+   GPA_GL( CullFace );
+   GPA_GL( Fogf );
+   GPA_GL( Fogfv );
+   GPA_GL( Fogi );
+   GPA_GL( Fogiv );
+   GPA_GL( FrontFace );
+   GPA_GL( Hint );
+   GPA_GL( Lightf );
+   GPA_GL( Lightfv );
+   GPA_GL( Lighti );
+   GPA_GL( Lightiv );
+   GPA_GL( LightModelf );
+   GPA_GL( LightModelfv );
+   GPA_GL( LightModeli );
+   GPA_GL( LightModeliv );
+   GPA_GL( LineStipple );
+   GPA_GL( LineWidth );
+   GPA_GL( Materialf );
+   GPA_GL( Materialfv );
+   GPA_GL( Materiali );
+   GPA_GL( Materialiv );
+   GPA_GL( PointSize );
+   GPA_GL( PolygonMode );
+   GPA_GL( PolygonStipple );
+   GPA_GL( Scissor );
+   GPA_GL( ShadeModel );
+   GPA_GL( TexParameterf );
+   GPA_GL( TexParameterfv );
+   GPA_GL( TexParameteri );
+   GPA_GL( TexParameteriv );
+   GPA_GL( TexImage1D );
+   GPA_GL( TexImage2D );
+   GPA_GL( TexEnvf );
+   GPA_GL( TexEnvfv );
+   GPA_GL( TexEnvi );
+   GPA_GL( TexEnviv );
+   GPA_GL( TexGend );
+   GPA_GL( TexGendv );
+   GPA_GL( TexGenf );
+   GPA_GL( TexGenfv );
+   GPA_GL( TexGeni );
+   GPA_GL( TexGeniv );
+   GPA_GL( FeedbackBuffer );
+   GPA_GL( SelectBuffer );
+   GPA_GL( RenderMode );
+   GPA_GL( InitNames );
+   GPA_GL( LoadName );
+   GPA_GL( PassThrough );
+   GPA_GL( PopName );
+   GPA_GL( PushName );
+   GPA_GL( DrawBuffer );
+   GPA_GL( Clear );
+   GPA_GL( ClearAccum );
+   GPA_GL( ClearIndex );
+   GPA_GL( ClearColor );
+   GPA_GL( ClearStencil );
+   GPA_GL( ClearDepth );
+   GPA_GL( StencilMask );
+   GPA_GL( ColorMask );
+   GPA_GL( DepthMask );
+   GPA_GL( IndexMask );
+   GPA_GL( Accum );
+   GPA_GL( Disable );
+   GPA_GL( Enable );
+   GPA_GL( Finish );
+   GPA_GL( Flush );
+   GPA_GL( PopAttrib );
+   GPA_GL( PushAttrib );
+   GPA_GL( Map1d );
+   GPA_GL( Map1f );
+   GPA_GL( Map2d );
+   GPA_GL( Map2f );
+   GPA_GL( MapGrid1d );
+   GPA_GL( MapGrid1f );
+   GPA_GL( MapGrid2d );
+   GPA_GL( MapGrid2f );
+   GPA_GL( EvalCoord1d );
+   GPA_GL( EvalCoord1dv );
+   GPA_GL( EvalCoord1f );
+   GPA_GL( EvalCoord1fv );
+   GPA_GL( EvalCoord2d );
+   GPA_GL( EvalCoord2dv );
+   GPA_GL( EvalCoord2f );
+   GPA_GL( EvalCoord2fv );
+   GPA_GL( EvalMesh1 );
+   GPA_GL( EvalPoint1 );
+   GPA_GL( EvalMesh2 );
+   GPA_GL( EvalPoint2 );
+   GPA_GL( AlphaFunc );
+   GPA_GL( BlendFunc );
+   GPA_GL( LogicOp );
+   GPA_GL( StencilFunc );
+   GPA_GL( StencilOp );
+   GPA_GL( DepthFunc );
+   GPA_GL( PixelZoom );
+   GPA_GL( PixelTransferf );
+   GPA_GL( PixelTransferi );
+   GPA_GL( PixelStoref );
+   GPA_GL( PixelStorei );
+   GPA_GL( PixelMapfv );
+   GPA_GL( PixelMapuiv );
+   GPA_GL( PixelMapusv );
+   GPA_GL( ReadBuffer );
+   GPA_GL( CopyPixels );
+   GPA_GL( ReadPixels );
+   GPA_GL( DrawPixels );
+   GPA_GL( GetBooleanv );
+   GPA_GL( GetClipPlane );
+   GPA_GL( GetDoublev );
+   GPA_GL( GetError );
+   GPA_GL( GetFloatv );
+   GPA_GL( GetIntegerv );
+   GPA_GL( GetLightfv );
+   GPA_GL( GetLightiv );
+   GPA_GL( GetMapdv );
+   GPA_GL( GetMapfv );
+   GPA_GL( GetMapiv );
+   GPA_GL( GetMaterialfv );
+   GPA_GL( GetMaterialiv );
+   GPA_GL( GetPixelMapfv );
+   GPA_GL( GetPixelMapuiv );
+   GPA_GL( GetPixelMapusv );
+   GPA_GL( GetPolygonStipple );
+   GPA_GL( GetString );
+   GPA_GL( GetTexEnvfv );
+   GPA_GL( GetTexEnviv );
+   GPA_GL( GetTexGendv );
+   GPA_GL( GetTexGenfv );
+   GPA_GL( GetTexGeniv );
+   GPA_GL( GetTexImage );
+   GPA_GL( GetTexParameterfv );
+   GPA_GL( GetTexParameteriv );
+   GPA_GL( GetTexLevelParameterfv );
+   GPA_GL( GetTexLevelParameteriv );
+   GPA_GL( IsEnabled );
+   GPA_GL( IsList );
+   GPA_GL( DepthRange );
+   GPA_GL( Frustum );
+   GPA_GL( LoadIdentity );
+   GPA_GL( LoadMatrixf );
+   GPA_GL( LoadMatrixd );
+   GPA_GL( MatrixMode );
+   GPA_GL( MultMatrixf );
+   GPA_GL( MultMatrixd );
+   GPA_GL( Ortho );
+   GPA_GL( PopMatrix );
+   GPA_GL( PushMatrix );
+   GPA_GL( Rotated );
+   GPA_GL( Rotatef );
+   GPA_GL( Scaled );
+   GPA_GL( Scalef );
+   GPA_GL( Translated );
+   GPA_GL( Translatef );
+   GPA_GL( Viewport );
+   GPA_GL( ArrayElement );
+   GPA_GL( BindTexture );
+   GPA_GL( ColorPointer );
+   GPA_GL( DisableClientState );
+   GPA_GL( DrawArrays );
+   GPA_GL( DrawElements );
+   GPA_GL( EdgeFlagPointer );
+   GPA_GL( EnableClientState );
+   GPA_GL( IndexPointer );
+   GPA_GL( Indexub );
+   GPA_GL( Indexubv );
+   GPA_GL( InterleavedArrays );
+   GPA_GL( NormalPointer );
+   GPA_GL( PolygonOffset );
+   GPA_GL( TexCoordPointer );
+   GPA_GL( VertexPointer );
+   GPA_GL( AreTexturesResident );
+   GPA_GL( CopyTexImage1D );
+   GPA_GL( CopyTexImage2D );
+   GPA_GL( CopyTexSubImage1D );
+   GPA_GL( CopyTexSubImage2D );
+   GPA_GL( DeleteTextures );
+   GPA_GL( GenTextures );
+   GPA_GL( GetPointerv );
+   GPA_GL( IsTexture );
+   GPA_GL( PrioritizeTextures );
+   GPA_GL( TexSubImage1D );
+   GPA_GL( TexSubImage2D );
+   GPA_GL( PopClientAttrib );
+   GPA_GL( PushClientAttrib );
+}
+
+PGLCLTPROCTABLE APIENTRY
+DrvSetContext(
+   HDC hdc,
+   DHGLRC dhglrc,
+   PFN_SETPROCTABLE pfnSetProcTable )
+{
+   PGLCLTPROCTABLE result = NULL;
+
+   if (!stw_icd)
+      return result;
+
+   pipe_mutex_lock( stw_icd->mutex ); 
+   {
+      struct stw_context *ctx;
+
+      debug_printf( "%s( 0x%p, %u, 0x%p )\n", 
+                    __FUNCTION__, hdc, dhglrc, pfnSetProcTable );
+
+      /* Although WGL allows different dispatch entrypoints per 
+       */
+      if (!stw_icd->cpt_initialized) {
+         init_proc_table( &stw_icd->cpt );
+         stw_icd->cpt_initialized = TRUE;
+      }
+
+      ctx = lookup_context( stw_icd, dhglrc );
+      if (ctx == NULL)
+         goto done;
+
+      if (!stw_make_current( hdc, ctx ))
+         goto done;
+
+      result = &stw_icd->cpt;
+   }
+done:
+   pipe_mutex_unlock( stw_icd->mutex );
+
+   return result;
+}
+
+int APIENTRY
+DrvSetLayerPaletteEntries(
+   HDC hdc,
+   INT iLayerPlane,
+   INT iStart,
+   INT cEntries,
+   CONST COLORREF *pcr )
+{
+   debug_printf( "%s\n", __FUNCTION__ );
+
+   return 0;
+}
+
+BOOL APIENTRY
+DrvSetPixelFormat(
+   HDC hdc,
+   LONG iPixelFormat )
+{
+   BOOL r;
+
+   r = stw_pixelformat_set( hdc, iPixelFormat );
+
+   debug_printf( "%s( %p, %d ) = %s\n", __FUNCTION__, hdc, iPixelFormat, r ? "TRUE" : "FALSE" );
+
+   return r;
+}
+
+BOOL APIENTRY
+DrvShareLists(
+   DHGLRC dhglrc1,
+   DHGLRC dhglrc2 )
+{
+   debug_printf( "%s\n", __FUNCTION__ );
+
+   return FALSE;
+}
+
+BOOL APIENTRY
+DrvSwapBuffers(
+   HDC hdc )
+{
+   debug_printf( "%s( %p )\n", __FUNCTION__, hdc );
+
+   return stw_swap_buffers( hdc );
+}
+
+BOOL APIENTRY
+DrvSwapLayerBuffers(
+   HDC hdc,
+   UINT fuPlanes )
+{
+   debug_printf( "%s\n", __FUNCTION__ );
+
+   return FALSE;
+}
+
+BOOL APIENTRY
+DrvValidateVersion(
+   ULONG ulVersion )
+{
+   debug_printf( "%s( %u )\n", __FUNCTION__, ulVersion );
+
+   /* TODO: get the expected version from the winsys */
+   
+   return ulVersion == 1;
+}