Merge remote branch 'main/master' into radeon-rewrite

Conflicts:
	src/mesa/drivers/dri/r300/r300_cmdbuf.c
	src/mesa/drivers/dri/r300/r300_state.c
	src/mesa/drivers/dri/r300/r300_swtcl.c
	src/mesa/drivers/dri/r300/radeon_ioctl.c
	src/mesa/drivers/dri/radeon/radeon_screen.c

15 files changed, 731 insertions, 469 deletions

diff --git a/src/gallium/state_trackers/wgl/SConscript b/src/gallium/state_trackers/wgl/SConscript
index c72f495735..2141b02d68 100644
--- a/src/gallium/state_trackers/wgl/SConscript
+++ b/src/gallium/state_trackers/wgl/SConscript
@@ -14,13 +14,10 @@ if env['platform'] in ['windows']:
     env.Append(CPPDEFINES = [
         '_GDI32_', # prevent wgl* being declared __declspec(dllimport)
         'BUILD_GL32', # declare gl* as __declspec(dllexport) in Mesa headers 
-        '__GL_EXPORTS',
-        '_GNU_H_WINDOWS32_DEFINES',
+        'WIN32_THREADS', # use Win32 thread API
     ])
      
     sources = [
-        'stw.c',
-
         'icd/stw_icd.c',
 
         'wgl/stw_wgl.c',
diff --git a/src/gallium/state_trackers/wgl/icd/stw_icd.c b/src/gallium/state_trackers/wgl/icd/stw_icd.c
index 1aa4b8a6e2..faf7f2f410 100644
--- a/src/gallium/state_trackers/wgl/icd/stw_icd.c
+++ b/src/gallium/state_trackers/wgl/icd/stw_icd.c
@@ -30,82 +30,17 @@
 
 #include "GL/gl.h"
 
-#include "pipe/p_debug.h"
+#include "util/u_debug.h"
 #include "pipe/p_thread.h"
 
 #include "shared/stw_public.h"
 #include "icd/stw_icd.h"
-#include "stw.h"
 
+#define DBG 0
 
-#define DRV_CONTEXT_MAX 32
+static GLCLTPROCTABLE cpt;
+static boolean cpt_initialized = FALSE;
 
-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(
@@ -113,63 +48,16 @@ DrvCopyContext(
    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;
+   return stw_copy_context(dhrcSource, dhrcDest, fuMask);
 }
 
+
 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;
+   return stw_create_layer_context( hdc, iLayerPlane );
 }
 
 DHGLRC APIENTRY
@@ -183,30 +71,7 @@ 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;
+   return stw_delete_context( dhglrc );
 }
 
 BOOL APIENTRY
@@ -217,7 +82,8 @@ DrvDescribeLayerPlane(
    UINT nBytes,
    LPLAYERPLANEDESCRIPTOR plpd )
 {
-   debug_printf( "%s\n", __FUNCTION__ );
+   if (DBG) 
+      debug_printf( "%s\n", __FUNCTION__ );
 
    return FALSE;
 }
@@ -233,8 +99,9 @@ DrvDescribePixelFormat(
 
    r = stw_pixelformat_describe( hdc, iPixelFormat, cjpfd, ppfd );
 
-   debug_printf( "%s( %p, %d, %u, %p ) = %d\n",
-                 __FUNCTION__, hdc, iPixelFormat, cjpfd, ppfd, r );
+   if (DBG)
+      debug_printf( "%s( %p, %d, %u, %p ) = %d\n",
+                    __FUNCTION__, hdc, iPixelFormat, cjpfd, ppfd, r );
 
    return r;
 }
@@ -247,7 +114,8 @@ DrvGetLayerPaletteEntries(
    INT cEntries,
    COLORREF *pcr )
 {
-   debug_printf( "%s\n", __FUNCTION__ );
+   if (DBG)
+      debug_printf( "%s\n", __FUNCTION__ );
 
    return 0;
 }
@@ -260,7 +128,8 @@ DrvGetProcAddress(
 
    r = stw_get_proc_address( lpszProc );
 
-   debug_printf( "%s( \", __FUNCTION__%s\" ) = %p\n", lpszProc, r );
+   if (DBG)
+      debug_printf( "%s( \", __FUNCTION__%s\" ) = %p\n", lpszProc, r );
 
    return r;
 }
@@ -271,7 +140,8 @@ DrvRealizeLayerPalette(
    INT iLayerPlane,
    BOOL bRealize )
 {
-   debug_printf( "%s\n", __FUNCTION__ );
+   if (DBG)
+      debug_printf( "%s\n", __FUNCTION__ );
 
    return FALSE;
 }
@@ -280,32 +150,7 @@ 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;
+   return stw_release_context(dhglrc);
 }
 
 void APIENTRY
@@ -313,7 +158,8 @@ DrvSetCallbackProcs(
    INT nProcs,
    PROC *pProcs )
 {
-   debug_printf( "%s( %d, %p )\n", __FUNCTION__, nProcs, pProcs );
+   if (DBG)
+      debug_printf( "%s( %d, %p )\n", __FUNCTION__, nProcs, pProcs );
 
    return;
 }
@@ -671,38 +517,21 @@ DrvSetContext(
    DHGLRC dhglrc,
    PFN_SETPROCTABLE pfnSetProcTable )
 {
-   PGLCLTPROCTABLE result = NULL;
-
-   if (!stw_icd)
-      return result;
-
-   pipe_mutex_lock( stw_icd->mutex ); 
-   {
-      struct stw_context *ctx;
-
+   if (DBG)
       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;
+   /* Although WGL allows different dispatch entrypoints per 
+    */
+   if (!cpt_initialized) {
+      init_proc_table( &cpt );
+      cpt_initialized = TRUE;
    }
-done:
-   pipe_mutex_unlock( stw_icd->mutex );
 
-   return result;
+   if (!stw_make_current( hdc, dhglrc ))
+      return NULL;
+      
+   return &cpt;
 }
 
 int APIENTRY
@@ -713,7 +542,8 @@ DrvSetLayerPaletteEntries(
    INT cEntries,
    CONST COLORREF *pcr )
 {
-   debug_printf( "%s\n", __FUNCTION__ );
+   if (DBG)
+      debug_printf( "%s\n", __FUNCTION__ );
 
    return 0;
 }
@@ -727,7 +557,8 @@ DrvSetPixelFormat(
 
    r = stw_pixelformat_set( hdc, iPixelFormat );
 
-   debug_printf( "%s( %p, %d ) = %s\n", __FUNCTION__, hdc, iPixelFormat, r ? "TRUE" : "FALSE" );
+   if (DBG)
+      debug_printf( "%s( %p, %d ) = %s\n", __FUNCTION__, hdc, iPixelFormat, r ? "TRUE" : "FALSE" );
 
    return r;
 }
@@ -737,7 +568,8 @@ DrvShareLists(
    DHGLRC dhglrc1,
    DHGLRC dhglrc2 )
 {
-   debug_printf( "%s\n", __FUNCTION__ );
+   if (DBG)
+      debug_printf( "%s\n", __FUNCTION__ );
 
    return FALSE;
 }
@@ -746,7 +578,8 @@ BOOL APIENTRY
 DrvSwapBuffers(
    HDC hdc )
 {
-   debug_printf( "%s( %p )\n", __FUNCTION__, hdc );
+   if (DBG)
+      debug_printf( "%s( %p )\n", __FUNCTION__, hdc );
 
    return stw_swap_buffers( hdc );
 }
@@ -756,7 +589,8 @@ DrvSwapLayerBuffers(
    HDC hdc,
    UINT fuPlanes )
 {
-   debug_printf( "%s\n", __FUNCTION__ );
+   if (DBG)
+      debug_printf( "%s\n", __FUNCTION__ );
 
    return FALSE;
 }
@@ -765,7 +599,8 @@ BOOL APIENTRY
 DrvValidateVersion(
    ULONG ulVersion )
 {
-   debug_printf( "%s( %u )\n", __FUNCTION__, ulVersion );
+   if (DBG)
+      debug_printf( "%s( %u )\n", __FUNCTION__, ulVersion );
 
    /* TODO: get the expected version from the winsys */
    
diff --git a/src/gallium/state_trackers/wgl/opengl32.mingw.def b/src/gallium/state_trackers/wgl/opengl32.mingw.def
new file mode 100644
index 0000000000..1f03ea3b37
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/opengl32.mingw.def
@@ -0,0 +1,387 @@
+EXPORTS
+;	GlmfBeginGlsBlock = GlmfBeginGlsBlock@4
+;	GlmfCloseMetaFile = GlmfCloseMetaFile@4
+;	GlmfEndGlsBlock = GlmfEndGlsBlock@4
+;	GlmfEndPlayback = GlmfEndPlayback@4
+;	GlmfInitPlayback = GlmfInitPlayback@12
+;	GlmfPlayGlsRecord = GlmfPlayGlsRecord@16
+	glAccum = glAccum@8
+	glAlphaFunc = glAlphaFunc@8
+	glAreTexturesResident = glAreTexturesResident@12
+	glArrayElement = glArrayElement@4
+	glBegin = glBegin@4
+	glBindTexture = glBindTexture@8
+	glBitmap = glBitmap@28
+	glBlendFunc = glBlendFunc@8
+	glCallList = glCallList@4
+	glCallLists = glCallLists@12
+	glClear = glClear@4
+	glClearAccum = glClearAccum@16
+	glClearColor = glClearColor@16
+	glClearDepth = glClearDepth@8
+	glClearIndex = glClearIndex@4
+	glClearStencil = glClearStencil@4
+	glClipPlane = glClipPlane@8
+	glColor3b = glColor3b@12
+	glColor3bv = glColor3bv@4
+	glColor3d = glColor3d@24
+	glColor3dv = glColor3dv@4
+	glColor3f = glColor3f@12
+	glColor3fv = glColor3fv@4
+	glColor3i = glColor3i@12
+	glColor3iv = glColor3iv@4
+	glColor3s = glColor3s@12
+	glColor3sv = glColor3sv@4
+	glColor3ub = glColor3ub@12
+	glColor3ubv = glColor3ubv@4
+	glColor3ui = glColor3ui@12
+	glColor3uiv = glColor3uiv@4
+	glColor3us = glColor3us@12
+	glColor3usv = glColor3usv@4
+	glColor4b = glColor4b@16
+	glColor4bv = glColor4bv@4
+	glColor4d = glColor4d@32
+	glColor4dv = glColor4dv@4
+	glColor4f = glColor4f@16
+	glColor4fv = glColor4fv@4
+	glColor4i = glColor4i@16
+	glColor4iv = glColor4iv@4
+	glColor4s = glColor4s@16
+	glColor4sv = glColor4sv@4
+	glColor4ub = glColor4ub@16
+	glColor4ubv = glColor4ubv@4
+	glColor4ui = glColor4ui@16
+	glColor4uiv = glColor4uiv@4
+	glColor4us = glColor4us@16
+	glColor4usv = glColor4usv@4
+	glColorMask = glColorMask@16
+	glColorMaterial = glColorMaterial@8
+	glColorPointer = glColorPointer@16
+	glCopyPixels = glCopyPixels@20
+	glCopyTexImage1D = glCopyTexImage1D@28
+	glCopyTexImage2D = glCopyTexImage2D@32
+	glCopyTexSubImage1D = glCopyTexSubImage1D@24
+	glCopyTexSubImage2D = glCopyTexSubImage2D@32
+	glCullFace = glCullFace@4
+;	glDebugEntry = glDebugEntry@8
+	glDeleteLists = glDeleteLists@8
+	glDeleteTextures = glDeleteTextures@8
+	glDepthFunc = glDepthFunc@4
+	glDepthMask = glDepthMask@4
+	glDepthRange = glDepthRange@16
+	glDisable = glDisable@4
+	glDisableClientState = glDisableClientState@4
+	glDrawArrays = glDrawArrays@12
+	glDrawBuffer = glDrawBuffer@4
+	glDrawElements = glDrawElements@16
+	glDrawPixels = glDrawPixels@20
+	glEdgeFlag = glEdgeFlag@4
+	glEdgeFlagPointer = glEdgeFlagPointer@8
+	glEdgeFlagv = glEdgeFlagv@4
+	glEnable = glEnable@4
+	glEnableClientState = glEnableClientState@4
+	glEnd = glEnd@0
+	glEndList = glEndList@0
+	glEvalCoord1d = glEvalCoord1d@8
+	glEvalCoord1dv = glEvalCoord1dv@4
+	glEvalCoord1f = glEvalCoord1f@4
+	glEvalCoord1fv = glEvalCoord1fv@4
+	glEvalCoord2d = glEvalCoord2d@16
+	glEvalCoord2dv = glEvalCoord2dv@4
+	glEvalCoord2f = glEvalCoord2f@8
+	glEvalCoord2fv = glEvalCoord2fv@4
+	glEvalMesh1 = glEvalMesh1@12
+	glEvalMesh2 = glEvalMesh2@20
+	glEvalPoint1 = glEvalPoint1@4
+	glEvalPoint2 = glEvalPoint2@8
+	glFeedbackBuffer = glFeedbackBuffer@12
+	glFinish = glFinish@0
+	glFlush = glFlush@0
+	glFogf = glFogf@8
+	glFogfv = glFogfv@8
+	glFogi = glFogi@8
+	glFogiv = glFogiv@8
+	glFrontFace = glFrontFace@4
+	glFrustum = glFrustum@48
+	glGenLists = glGenLists@4
+	glGenTextures = glGenTextures@8
+	glGetBooleanv = glGetBooleanv@8
+	glGetClipPlane = glGetClipPlane@8
+	glGetDoublev = glGetDoublev@8
+	glGetError = glGetError@0
+	glGetFloatv = glGetFloatv@8
+	glGetIntegerv = glGetIntegerv@8
+	glGetLightfv = glGetLightfv@12
+	glGetLightiv = glGetLightiv@12
+	glGetMapdv = glGetMapdv@12
+	glGetMapfv = glGetMapfv@12
+	glGetMapiv = glGetMapiv@12
+	glGetMaterialfv = glGetMaterialfv@12
+	glGetMaterialiv = glGetMaterialiv@12
+	glGetPixelMapfv = glGetPixelMapfv@8
+	glGetPixelMapuiv = glGetPixelMapuiv@8
+	glGetPixelMapusv = glGetPixelMapusv@8
+	glGetPointerv = glGetPointerv@8
+	glGetPolygonStipple = glGetPolygonStipple@4
+	glGetString = glGetString@4
+	glGetTexEnvfv = glGetTexEnvfv@12
+	glGetTexEnviv = glGetTexEnviv@12
+	glGetTexGendv = glGetTexGendv@12
+	glGetTexGenfv = glGetTexGenfv@12
+	glGetTexGeniv = glGetTexGeniv@12
+	glGetTexImage = glGetTexImage@20
+	glGetTexLevelParameterfv = glGetTexLevelParameterfv@16
+	glGetTexLevelParameteriv = glGetTexLevelParameteriv@16
+	glGetTexParameterfv = glGetTexParameterfv@12
+	glGetTexParameteriv = glGetTexParameteriv@12
+	glHint = glHint@8
+	glIndexMask = glIndexMask@4
+	glIndexPointer = glIndexPointer@12
+	glIndexd = glIndexd@8
+	glIndexdv = glIndexdv@4
+	glIndexf = glIndexf@4
+	glIndexfv = glIndexfv@4
+	glIndexi = glIndexi@4
+	glIndexiv = glIndexiv@4
+	glIndexs = glIndexs@4
+	glIndexsv = glIndexsv@4
+	glIndexub = glIndexub@4
+	glIndexubv = glIndexubv@4
+	glInitNames = glInitNames@0
+	glInterleavedArrays = glInterleavedArrays@12
+	glIsEnabled = glIsEnabled@4
+	glIsList = glIsList@4
+	glIsTexture = glIsTexture@4
+	glLightModelf = glLightModelf@8
+	glLightModelfv = glLightModelfv@8
+	glLightModeli = glLightModeli@8
+	glLightModeliv = glLightModeliv@8
+	glLightf = glLightf@12
+	glLightfv = glLightfv@12
+	glLighti = glLighti@12
+	glLightiv = glLightiv@12
+	glLineStipple = glLineStipple@8
+	glLineWidth = glLineWidth@4
+	glListBase = glListBase@4
+	glLoadIdentity = glLoadIdentity@0
+	glLoadMatrixd = glLoadMatrixd@4
+	glLoadMatrixf = glLoadMatrixf@4
+	glLoadName = glLoadName@4
+	glLogicOp = glLogicOp@4
+	glMap1d = glMap1d@32
+	glMap1f = glMap1f@24
+	glMap2d = glMap2d@56
+	glMap2f = glMap2f@40
+	glMapGrid1d = glMapGrid1d@20
+	glMapGrid1f = glMapGrid1f@12
+	glMapGrid2d = glMapGrid2d@40
+	glMapGrid2f = glMapGrid2f@24
+	glMaterialf = glMaterialf@12
+	glMaterialfv = glMaterialfv@12
+	glMateriali = glMateriali@12
+	glMaterialiv = glMaterialiv@12
+	glMatrixMode = glMatrixMode@4
+	glMultMatrixd = glMultMatrixd@4
+	glMultMatrixf = glMultMatrixf@4
+	glNewList = glNewList@8
+	glNormal3b = glNormal3b@12
+	glNormal3bv = glNormal3bv@4
+	glNormal3d = glNormal3d@24
+	glNormal3dv = glNormal3dv@4
+	glNormal3f = glNormal3f@12
+	glNormal3fv = glNormal3fv@4
+	glNormal3i = glNormal3i@12
+	glNormal3iv = glNormal3iv@4
+	glNormal3s = glNormal3s@12
+	glNormal3sv = glNormal3sv@4
+	glNormalPointer = glNormalPointer@12
+	glOrtho = glOrtho@48
+	glPassThrough = glPassThrough@4
+	glPixelMapfv = glPixelMapfv@12
+	glPixelMapuiv = glPixelMapuiv@12
+	glPixelMapusv = glPixelMapusv@12
+	glPixelStoref = glPixelStoref@8
+	glPixelStorei = glPixelStorei@8
+	glPixelTransferf = glPixelTransferf@8
+	glPixelTransferi = glPixelTransferi@8
+	glPixelZoom = glPixelZoom@8
+	glPointSize = glPointSize@4
+	glPolygonMode = glPolygonMode@8
+	glPolygonOffset = glPolygonOffset@8
+	glPolygonStipple = glPolygonStipple@4
+	glPopAttrib = glPopAttrib@0
+	glPopClientAttrib = glPopClientAttrib@0
+	glPopMatrix = glPopMatrix@0
+	glPopName = glPopName@0
+	glPrioritizeTextures = glPrioritizeTextures@12
+	glPushAttrib = glPushAttrib@4
+	glPushClientAttrib = glPushClientAttrib@4
+	glPushMatrix = glPushMatrix@0
+	glPushName = glPushName@4
+	glRasterPos2d = glRasterPos2d@16
+	glRasterPos2dv = glRasterPos2dv@4
+	glRasterPos2f = glRasterPos2f@8
+	glRasterPos2fv = glRasterPos2fv@4
+	glRasterPos2i = glRasterPos2i@8
+	glRasterPos2iv = glRasterPos2iv@4
+	glRasterPos2s = glRasterPos2s@8
+	glRasterPos2sv = glRasterPos2sv@4
+	glRasterPos3d = glRasterPos3d@24
+	glRasterPos3dv = glRasterPos3dv@4
+	glRasterPos3f = glRasterPos3f@12
+	glRasterPos3fv = glRasterPos3fv@4
+	glRasterPos3i = glRasterPos3i@12
+	glRasterPos3iv = glRasterPos3iv@4
+	glRasterPos3s = glRasterPos3s@12
+	glRasterPos3sv = glRasterPos3sv@4
+	glRasterPos4d = glRasterPos4d@32
+	glRasterPos4dv = glRasterPos4dv@4
+	glRasterPos4f = glRasterPos4f@16
+	glRasterPos4fv = glRasterPos4fv@4
+	glRasterPos4i = glRasterPos4i@16
+	glRasterPos4iv = glRasterPos4iv@4
+	glRasterPos4s = glRasterPos4s@16
+	glRasterPos4sv = glRasterPos4sv@4
+	glReadBuffer = glReadBuffer@4
+	glReadPixels = glReadPixels@28
+	glRectd = glRectd@32
+	glRectdv = glRectdv@8
+	glRectf = glRectf@16
+	glRectfv = glRectfv@8
+	glRecti = glRecti@16
+	glRectiv = glRectiv@8
+	glRects = glRects@16
+	glRectsv = glRectsv@8
+	glRenderMode = glRenderMode@4
+	glRotated = glRotated@32
+	glRotatef = glRotatef@16
+	glScaled = glScaled@24
+	glScalef = glScalef@12
+	glScissor = glScissor@16
+	glSelectBuffer = glSelectBuffer@8
+	glShadeModel = glShadeModel@4
+	glStencilFunc = glStencilFunc@12
+	glStencilMask = glStencilMask@4
+	glStencilOp = glStencilOp@12
+	glTexCoord1d = glTexCoord1d@8
+	glTexCoord1dv = glTexCoord1dv@4
+	glTexCoord1f = glTexCoord1f@4
+	glTexCoord1fv = glTexCoord1fv@4
+	glTexCoord1i = glTexCoord1i@4
+	glTexCoord1iv = glTexCoord1iv@4
+	glTexCoord1s = glTexCoord1s@4
+	glTexCoord1sv = glTexCoord1sv@4
+	glTexCoord2d = glTexCoord2d@16
+	glTexCoord2dv = glTexCoord2dv@4
+	glTexCoord2f = glTexCoord2f@8
+	glTexCoord2fv = glTexCoord2fv@4
+	glTexCoord2i = glTexCoord2i@8
+	glTexCoord2iv = glTexCoord2iv@4
+	glTexCoord2s = glTexCoord2s@8
+	glTexCoord2sv = glTexCoord2sv@4
+	glTexCoord3d = glTexCoord3d@24
+	glTexCoord3dv = glTexCoord3dv@4
+	glTexCoord3f = glTexCoord3f@12
+	glTexCoord3fv = glTexCoord3fv@4
+	glTexCoord3i = glTexCoord3i@12
+	glTexCoord3iv = glTexCoord3iv@4
+	glTexCoord3s = glTexCoord3s@12
+	glTexCoord3sv = glTexCoord3sv@4
+	glTexCoord4d = glTexCoord4d@32
+	glTexCoord4dv = glTexCoord4dv@4
+	glTexCoord4f = glTexCoord4f@16
+	glTexCoord4fv = glTexCoord4fv@4
+	glTexCoord4i = glTexCoord4i@16
+	glTexCoord4iv = glTexCoord4iv@4
+	glTexCoord4s = glTexCoord4s@16
+	glTexCoord4sv = glTexCoord4sv@4
+	glTexCoordPointer = glTexCoordPointer@16
+	glTexEnvf = glTexEnvf@12
+	glTexEnvfv = glTexEnvfv@12
+	glTexEnvi = glTexEnvi@12
+	glTexEnviv = glTexEnviv@12
+	glTexGend = glTexGend@16
+	glTexGendv = glTexGendv@12
+	glTexGenf = glTexGenf@12
+	glTexGenfv = glTexGenfv@12
+	glTexGeni = glTexGeni@12
+	glTexGeniv = glTexGeniv@12
+	glTexImage1D = glTexImage1D@32
+	glTexImage2D = glTexImage2D@36
+	glTexParameterf = glTexParameterf@12
+	glTexParameterfv = glTexParameterfv@12
+	glTexParameteri = glTexParameteri@12
+	glTexParameteriv = glTexParameteriv@12
+	glTexSubImage1D = glTexSubImage1D@28
+	glTexSubImage2D = glTexSubImage2D@36
+	glTranslated = glTranslated@24
+	glTranslatef = glTranslatef@12
+	glVertex2d = glVertex2d@16
+	glVertex2dv = glVertex2dv@4
+	glVertex2f = glVertex2f@8
+	glVertex2fv = glVertex2fv@4
+	glVertex2i = glVertex2i@8
+	glVertex2iv = glVertex2iv@4
+	glVertex2s = glVertex2s@8
+	glVertex2sv = glVertex2sv@4
+	glVertex3d = glVertex3d@24
+	glVertex3dv = glVertex3dv@4
+	glVertex3f = glVertex3f@12
+	glVertex3fv = glVertex3fv@4
+	glVertex3i = glVertex3i@12
+	glVertex3iv = glVertex3iv@4
+	glVertex3s = glVertex3s@12
+	glVertex3sv = glVertex3sv@4
+	glVertex4d = glVertex4d@32
+	glVertex4dv = glVertex4dv@4
+	glVertex4f = glVertex4f@16
+	glVertex4fv = glVertex4fv@4
+	glVertex4i = glVertex4i@16
+	glVertex4iv = glVertex4iv@4
+	glVertex4s = glVertex4s@16
+	glVertex4sv = glVertex4sv@4
+	glVertexPointer = glVertexPointer@16
+	glViewport = glViewport@16
+	wglChoosePixelFormat = wglChoosePixelFormat@8
+	wglCopyContext = wglCopyContext@12
+	wglCreateContext = wglCreateContext@4
+	wglCreateLayerContext = wglCreateLayerContext@8
+	wglDeleteContext = wglDeleteContext@4
+	wglDescribeLayerPlane = wglDescribeLayerPlane@20
+	wglDescribePixelFormat = wglDescribePixelFormat@16
+	wglGetCurrentContext = wglGetCurrentContext@0
+	wglGetCurrentDC = wglGetCurrentDC@0
+;	wglGetDefaultProcAddress = wglGetDefaultProcAddress@4
+	wglGetLayerPaletteEntries = wglGetLayerPaletteEntries@20
+	wglGetPixelFormat = wglGetPixelFormat@4
+	wglGetProcAddress = wglGetProcAddress@4
+	wglMakeCurrent = wglMakeCurrent@8
+	wglRealizeLayerPalette = wglRealizeLayerPalette@12
+	wglSetLayerPaletteEntries = wglSetLayerPaletteEntries@20
+	wglSetPixelFormat = wglSetPixelFormat@12
+	wglShareLists = wglShareLists@8
+	wglSwapBuffers = wglSwapBuffers@4
+	wglSwapLayerBuffers = wglSwapLayerBuffers@8
+;	wglSwapMultipleBuffers = wglSwapMultipleBuffers@8
+	wglUseFontBitmapsA = wglUseFontBitmapsA@16
+	wglUseFontBitmapsW = wglUseFontBitmapsW@16
+	wglUseFontOutlinesA = wglUseFontOutlinesA@32
+	wglUseFontOutlinesW = wglUseFontOutlinesW@32
+	DrvCopyContext = DrvCopyContext@12
+	DrvCreateContext = DrvCreateContext@4
+	DrvCreateLayerContext = DrvCreateLayerContext@8
+	DrvDeleteContext = DrvDeleteContext@4
+	DrvDescribeLayerPlane = DrvDescribeLayerPlane@20
+	DrvDescribePixelFormat = DrvDescribePixelFormat@16
+	DrvGetLayerPaletteEntries = DrvGetLayerPaletteEntries@20
+	DrvGetProcAddress = DrvGetProcAddress@4
+	DrvRealizeLayerPalette = DrvRealizeLayerPalette@12
+	DrvReleaseContext = DrvReleaseContext@4
+	DrvSetCallbackProcs = DrvSetCallbackProcs@8
+	DrvSetContext = DrvSetContext@12
+	DrvSetLayerPaletteEntries = DrvSetLayerPaletteEntries@20
+	DrvSetPixelFormat = DrvSetPixelFormat@8
+	DrvShareLists = DrvShareLists@8
+	DrvSwapBuffers = DrvSwapBuffers@4
+	DrvSwapLayerBuffers = DrvSwapLayerBuffers@8
+	DrvValidateVersion = DrvValidateVersion@4
diff --git a/src/gallium/state_trackers/wgl/shared/stw_context.c b/src/gallium/state_trackers/wgl/shared/stw_context.c
index 2abf97b5ad..d77daac39c 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_context.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_context.c
@@ -40,26 +40,38 @@
 #include "stw_public.h"
 #include "stw_context.h"
 
-static struct stw_context *ctx_head = NULL;
-
 static HDC current_hdc = NULL;
-static struct stw_context *current_hrc = NULL;
+static UINT_PTR current_hglrc = 0;
 
 BOOL
 stw_copy_context(
-   struct stw_context *src,
-   struct stw_context *dst,
+   UINT_PTR hglrcSrc,
+   UINT_PTR hglrcDst,
    UINT mask )
 {
-   (void) src;
-   (void) dst;
-   (void) mask;
+   struct stw_context *src;
+   struct stw_context *dst;
+   BOOL ret = FALSE;
+
+   pipe_mutex_lock( stw_dev->mutex );
+   
+   src = stw_lookup_context( hglrcSrc );
+   dst = stw_lookup_context( hglrcDst );
+
+   if (src && dst) { 
+      /* FIXME */
+      (void) src;
+      (void) dst;
+      (void) mask;
+   }
 
-   return FALSE;
+   pipe_mutex_unlock( stw_dev->mutex );
+   
+   return ret;
 }
 
-struct stw_context *
-stw_create_context(
+UINT_PTR
+stw_create_layer_context(
    HDC hdc,
    int iLayerPlane )
 {
@@ -68,19 +80,23 @@ stw_create_context(
    struct stw_context *ctx = NULL;
    GLvisual *visual = NULL;
    struct pipe_context *pipe = NULL;
+   UINT_PTR hglrc = 0;
 
+   if(!stw_dev)
+      return 0;
+   
    if (iLayerPlane != 0)
-      return NULL;
+      return 0;
 
    pfi = stw_pixelformat_get( hdc );
    if (pfi == 0)
-      return NULL;
+      return 0;
 
    pf = pixelformat_get_info( pfi - 1 );
 
    ctx = CALLOC_STRUCT( stw_context );
    if (ctx == NULL)
-      return NULL;
+      return 0;
 
    ctx->hdc = hdc;
    ctx->color_bits = GetDeviceCaps( ctx->hdc, BITSPIXEL );
@@ -119,10 +135,26 @@ stw_create_context(
 
    ctx->st->ctx->DriverCtx = ctx;
 
-   ctx->next = ctx_head;
-   ctx_head = ctx;
+   pipe_mutex_lock( stw_dev->mutex );
+   {
+      UINT_PTR i;
+
+      for (i = 0; i < STW_CONTEXT_MAX; i++) {
+         if (stw_dev->ctx_array[i].ctx == NULL) {
+            /* success:
+             */
+            stw_dev->ctx_array[i].ctx = ctx;
+            hglrc = i + 1;
+            break;
+         }
+      }
+   }
+   pipe_mutex_unlock( stw_dev->mutex );
 
-   return ctx;
+   /* Success?
+    */
+   if (hglrc != 0)
+      return hglrc;
 
 fail:
    if (visual)
@@ -132,47 +164,83 @@ fail:
       pipe->destroy( pipe );
       
    FREE( ctx );
-   return NULL;
+   return 0;
 }
 
-
 BOOL
 stw_delete_context(
-   struct stw_context *hglrc )
+   UINT_PTR hglrc )
 {
-   struct stw_context **link = &ctx_head;
-   struct stw_context *ctx = ctx_head;
+   struct stw_context *ctx ;
+   BOOL ret = FALSE;
+   
+   if (!stw_dev)
+      return FALSE;
 
-   while (ctx != NULL) {
-      if (ctx == hglrc) {
-         GLcontext *glctx = ctx->st->ctx;
-         GET_CURRENT_CONTEXT( glcurctx );
-         struct stw_framebuffer *fb;
+   pipe_mutex_lock( stw_dev->mutex );
 
-         /* Unbind current if deleting current context.
-          */
-         if (glcurctx == glctx)
-            st_make_current( NULL, NULL, NULL );
+   ctx = stw_lookup_context(hglrc);
+   if (ctx) {
+      GLcontext *glctx = ctx->st->ctx;
+      GET_CURRENT_CONTEXT( glcurctx );
+      struct stw_framebuffer *fb;
 
-         fb = framebuffer_from_hdc( ctx->hdc );
-         if (fb)
-            framebuffer_destroy( fb );
+      /* Unbind current if deleting current context.
+       */
+      if (glcurctx == glctx)
+         st_make_current( NULL, NULL, NULL );
 
-         if (WindowFromDC( ctx->hdc ) != NULL)
-            ReleaseDC( WindowFromDC( ctx->hdc ), ctx->hdc );
+      fb = framebuffer_from_hdc( ctx->hdc );
+      if (fb)
+         framebuffer_destroy( fb );
 
-         st_destroy_context( ctx->st );
+      if (WindowFromDC( ctx->hdc ) != NULL)
+         ReleaseDC( WindowFromDC( ctx->hdc ), ctx->hdc );
 
-         *link = ctx->next;
-         FREE( ctx );
-         return TRUE;
-      }
+      st_destroy_context( ctx->st );
 
-      link = &ctx->next;
-      ctx = ctx->next;
+      FREE( ctx );
+      
+      stw_dev->ctx_array[hglrc - 1].ctx = NULL;
+      
+      ret = TRUE;
    }
 
-   return FALSE;
+   pipe_mutex_unlock( stw_dev->mutex );
+   
+   return ret;
+}
+
+BOOL
+stw_release_context(
+   UINT_PTR hglrc )
+{
+   BOOL ret = FALSE;
+
+   if (!stw_dev)
+      return ret;
+
+   pipe_mutex_lock( stw_dev->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 = stw_lookup_context( hglrc );
+      if (ctx == NULL) 
+         goto done;
+
+      if (stw_make_current( NULL, 0 ) == FALSE)
+         goto done;
+
+      ret = TRUE;
+   }
+done:
+   pipe_mutex_unlock( stw_dev->mutex );
+
+   return ret;
 }
 
 /* Find the width and height of the window named by hdc.
@@ -193,10 +261,10 @@ get_window_size( HDC hdc, GLuint *width, GLuint *height )
    }
 }
 
-struct stw_context *
+UINT_PTR
 stw_get_current_context( void )
 {
-   return current_hrc;
+   return current_hglrc;
 }
 
 HDC
@@ -208,35 +276,43 @@ stw_get_current_dc( void )
 BOOL
 stw_make_current(
    HDC hdc,
-   struct stw_context *hglrc )
+   UINT_PTR hglrc )
 {
-   struct stw_context *ctx = ctx_head;
+   struct stw_context *ctx;
    GET_CURRENT_CONTEXT( glcurctx );
    struct stw_framebuffer *fb;
    GLuint width = 0;
    GLuint height = 0;
+   struct stw_context *curctx;
+
+   if (!stw_dev)
+      return FALSE;
+
+   pipe_mutex_lock( stw_dev->mutex ); 
+   ctx = stw_lookup_context( hglrc );
+   pipe_mutex_unlock( stw_dev->mutex );
+   
+   if (ctx == NULL)
+      return FALSE;
 
    current_hdc = hdc;
-   current_hrc = hglrc;
+   current_hglrc = hglrc;
 
-   if (hdc == NULL || hglrc == NULL) {
-      st_make_current( NULL, NULL, NULL );
-      return TRUE;
+   if (glcurctx != NULL) {
+      curctx = (struct stw_context *) glcurctx->DriverCtx;
+
+      if (curctx != ctx)
+	 st_flush(glcurctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
    }
 
-   while (ctx != NULL) {
-      if (ctx == hglrc)
-         break;
-      ctx = ctx->next;
+   if (hdc == NULL || hglrc == 0) {
+      st_make_current( NULL, NULL, NULL );
+      return TRUE;
    }
-   if (ctx == NULL)
-      return FALSE;
 
    /* Return if already current.
     */
    if (glcurctx != NULL) {
-      struct stw_context *curctx = (struct stw_context *) glcurctx->DriverCtx;
-
       if (curctx != NULL && curctx == ctx && ctx->hdc == hdc)
          return TRUE;
    }
@@ -273,20 +349,3 @@ stw_make_current(
 
    return TRUE;
 }
-
-struct stw_context *
-stw_context_from_hdc(
-   HDC hdc )
-{
-   struct stw_context *ctx = ctx_head;
-
-   while (ctx != NULL) {
-      if (ctx->hdc == hdc)
-         return ctx;
-      ctx = ctx->next;
-   }
-   return NULL;
-}
-
-
-
diff --git a/src/gallium/state_trackers/wgl/shared/stw_context.h b/src/gallium/state_trackers/wgl/shared/stw_context.h
index 89a8f900d8..b289615272 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_context.h
+++ b/src/gallium/state_trackers/wgl/shared/stw_context.h
@@ -37,17 +37,6 @@ struct stw_context
    struct st_context *st;
    HDC hdc;
    DWORD color_bits;
-   struct stw_context *next;
 };
 
-struct stw_context *
-stw_context_from_hdc(HDC hdc );
-
-
-
-
-
-
-
-
 #endif /* STW_CONTEXT_H */
diff --git a/src/gallium/state_trackers/wgl/shared/stw_device.c b/src/gallium/state_trackers/wgl/shared/stw_device.c
index 6873e813ee..0dca856d73 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_device.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_device.c
@@ -27,14 +27,19 @@
 
 #include <windows.h>
 
-#include "pipe/p_debug.h"
+#include "glapi/glthread.h"
+#include "util/u_debug.h"
 #include "pipe/p_screen.h"
 
 #include "shared/stw_device.h"
 #include "shared/stw_winsys.h"
 #include "shared/stw_pixelformat.h"
 #include "shared/stw_public.h"
-#include "stw.h"
+
+#ifdef WIN32_THREADS
+extern _glthread_Mutex OneTimeLock;
+extern void FreeAllTSD(void);
+#endif
 
 
 struct stw_device *stw_dev = NULL;
@@ -57,23 +62,35 @@ st_flush_frontbuffer(struct pipe_screen *screen,
 
 
 boolean
-stw_shared_init(const struct stw_winsys *stw_winsys)
+st_init(const struct stw_winsys *stw_winsys)
 {
    static struct stw_device stw_dev_storage;
 
+   debug_printf("%s\n", __FUNCTION__);
+   
    assert(!stw_dev);
 
    stw_dev = &stw_dev_storage;
    memset(stw_dev, 0, sizeof(*stw_dev));
 
+#ifdef DEBUG
+   stw_dev->memdbg_no = debug_memory_begin();
+#endif
+   
    stw_dev->stw_winsys = stw_winsys;
 
+#ifdef WIN32_THREADS
+   _glthread_INIT_MUTEX(OneTimeLock);
+#endif
+
    stw_dev->screen = stw_winsys->create_screen();
    if(!stw_dev->screen)
       goto error1;
 
    stw_dev->screen->flush_frontbuffer = st_flush_frontbuffer;
    
+   pipe_mutex_init( stw_dev->mutex );
+
    pixelformat_init();
 
    return TRUE;
@@ -85,7 +102,51 @@ error1:
 
 
 void
-stw_shared_cleanup(void)
+st_cleanup(void)
 {
+   UINT_PTR i;
+
+   debug_printf("%s\n", __FUNCTION__);
+
+   if (!stw_dev)
+      return;
+   
+   pipe_mutex_lock( stw_dev->mutex );
+   {
+      /* Ensure all contexts are destroyed */
+      for (i = 0; i < STW_CONTEXT_MAX; i++)
+         if (stw_dev->ctx_array[i].ctx) 
+            stw_delete_context( i + 1 );
+   }
+   pipe_mutex_unlock( stw_dev->mutex );
+
+   pipe_mutex_destroy( stw_dev->mutex );
+   
+   stw_dev->screen->destroy(stw_dev->screen);
+
+#ifdef WIN32_THREADS
+   _glthread_DESTROY_MUTEX(OneTimeLock);
+   FreeAllTSD();
+#endif
+
+#ifdef DEBUG
+   debug_memory_end(stw_dev->memdbg_no);
+#endif
+
    stw_dev = NULL;
 }
+
+
+struct stw_context *
+stw_lookup_context( UINT_PTR dhglrc )
+{
+   if (dhglrc == 0 || 
+       dhglrc >= STW_CONTEXT_MAX)
+      return NULL;
+
+   if (stw_dev == NULL)
+      return NULL;
+
+   return stw_dev->ctx_array[dhglrc - 1].ctx;
+}
+
diff --git a/src/gallium/state_trackers/wgl/shared/stw_device.h b/src/gallium/state_trackers/wgl/shared/stw_device.h
index bc0bce37c6..80da14b84f 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_device.h
+++ b/src/gallium/state_trackers/wgl/shared/stw_device.h
@@ -25,8 +25,15 @@
  *
  **************************************************************************/
 
-#ifndef ST_DEVICE_H_
-#define ST_DEVICE_H_
+#ifndef STW_DEVICE_H_
+#define STW_DEVICE_H_
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_thread.h"
+
+
+#define STW_CONTEXT_MAX 32
 
 
 struct pipe_screen;
@@ -35,10 +42,22 @@ struct stw_device
 {
    const struct stw_winsys *stw_winsys;
    struct pipe_screen *screen;
+   
+   pipe_mutex mutex;
+
+   struct {
+      struct stw_context *ctx;
+   } ctx_array[STW_CONTEXT_MAX];
+   
+#ifdef DEBUG
+   unsigned long memdbg_no;
+#endif
 };
 
+struct stw_context *
+stw_lookup_context( UINT_PTR hglrc );
 
 extern struct stw_device *stw_dev;
 
 
-#endif /* ST_DEVICE_H_ */
+#endif /* STW_DEVICE_H_ */
diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
index c70b31a488..17c96c411f 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c
@@ -79,6 +79,14 @@ window_proc(
    return CallWindowProc( fb->WndProc, hWnd, uMsg, wParam, lParam );
 }
 
+static INLINE boolean
+stw_is_supported_depth_stencil(enum pipe_format format)
+{
+   struct pipe_screen *screen = stw_dev->screen;
+   return screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 
+                                      PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+}
+
 /* Create a new framebuffer object which will correspond to the given HDC.
  */
 struct stw_framebuffer *
@@ -101,18 +109,43 @@ framebuffer_create(
 
    if (visual->depthBits == 0)
       depthFormat = PIPE_FORMAT_NONE;
-   else if (visual->depthBits <= 16)
+   else if (visual->depthBits <= 16 &&
+            stw_is_supported_depth_stencil(PIPE_FORMAT_Z16_UNORM))
       depthFormat = PIPE_FORMAT_Z16_UNORM;
-   else if (visual->depthBits <= 24)
+   else if (visual->depthBits <= 24 && visual->stencilBits != 8 &&
+            stw_is_supported_depth_stencil(PIPE_FORMAT_X8Z24_UNORM)) {
+      depthFormat = PIPE_FORMAT_X8Z24_UNORM;
+   }
+   else if (visual->depthBits <= 24 && visual->stencilBits != 8 && 
+            stw_is_supported_depth_stencil(PIPE_FORMAT_Z24X8_UNORM)) {
+      depthFormat = PIPE_FORMAT_Z24X8_UNORM;
+   }
+   else if (visual->depthBits <= 24 && visual->stencilBits == 8 && 
+            stw_is_supported_depth_stencil(PIPE_FORMAT_S8Z24_UNORM)) {
       depthFormat = PIPE_FORMAT_S8Z24_UNORM;
-   else
+   }
+   else if (visual->depthBits <= 24 && visual->stencilBits == 8 && 
+            stw_is_supported_depth_stencil(PIPE_FORMAT_Z24S8_UNORM)) {
+      depthFormat = PIPE_FORMAT_Z24S8_UNORM;
+   }
+   else if(stw_is_supported_depth_stencil(PIPE_FORMAT_Z32_UNORM)) {
       depthFormat = PIPE_FORMAT_Z32_UNORM;
+   }
+   else if(stw_is_supported_depth_stencil(PIPE_FORMAT_Z32_FLOAT)) {
+      depthFormat = PIPE_FORMAT_Z32_FLOAT;
+   }
+   else {
+      assert(0);
+      depthFormat = PIPE_FORMAT_NONE;
+   }
 
-   if (visual->stencilBits == 8) {
-      if (depthFormat == PIPE_FORMAT_S8Z24_UNORM)
-         stencilFormat = depthFormat;
-      else
-         stencilFormat = PIPE_FORMAT_S8_UNORM;
+   if (depthFormat == PIPE_FORMAT_S8Z24_UNORM || 
+       depthFormat == PIPE_FORMAT_Z24S8_UNORM) {
+      stencilFormat = depthFormat;
+   }
+   else if (visual->stencilBits == 8 && 
+            stw_is_supported_depth_stencil(PIPE_FORMAT_S8_UNORM)) {
+      stencilFormat = PIPE_FORMAT_S8_UNORM;
    }
    else {
       stencilFormat = PIPE_FORMAT_NONE;
diff --git a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
index 84b7b287b9..2992a1ac0a 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
@@ -25,7 +25,7 @@
  * 
  **************************************************************************/
 
-#include "pipe/p_debug.h"
+#include "util/u_debug.h"
 #include "stw_pixelformat.h"
 #include "stw_public.h"
 
@@ -76,6 +76,18 @@ add_standard_pixelformats(
 
    pf->flags = flags;
    pf->color = color24;
+   pf->alpha = alpha8;
+   pf->depth = depth16;
+   pf++;
+
+   pf->flags = flags;
+   pf->color = color24;
+   pf->alpha = alpha8;
+   pf->depth = depth24s8;
+   pf++;
+
+   pf->flags = flags;
+   pf->color = color24;
    pf->alpha = noalpha;
    pf->depth = depth16;
    pf++;
diff --git a/src/gallium/state_trackers/wgl/shared/stw_public.h b/src/gallium/state_trackers/wgl/shared/stw_public.h
index 75b504a50f..39d377c16b 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_public.h
+++ b/src/gallium/state_trackers/wgl/shared/stw_public.h
@@ -29,31 +29,24 @@
 #define STW_PUBLIC_H
 
 #include <windows.h>
-#include "pipe/p_compiler.h"
 
-struct stw_winsys;
-struct stw_context;
-
-boolean
-st_shared_init(const struct stw_winsys *stw_winsys);
-
-void
-st_shared_cleanup(void);
-
-
-BOOL stw_copy_context( struct stw_context *src,
-                       struct stw_context *dst,
+BOOL stw_copy_context( UINT_PTR hglrcSrc,
+                       UINT_PTR hglrcDst,
                        UINT mask );
 
-struct stw_context *stw_create_context( HDC hdc, int iLayerPlane );
+UINT_PTR stw_create_layer_context( HDC hdc, 
+                                   int iLayerPlane );
+
+BOOL stw_delete_context( UINT_PTR hglrc );
 
-BOOL stw_delete_context( struct stw_context *ctx );
+BOOL
+stw_release_context( UINT_PTR dhglrc );
 
-struct stw_context *stw_get_current_context( void );
+UINT_PTR stw_get_current_context( void );
 
 HDC stw_get_current_dc( void );
 
-BOOL stw_make_current( HDC hdc, struct stw_context *ctx );
+BOOL stw_make_current( HDC hdc, UINT_PTR hglrc );
 
 BOOL stw_swap_buffers( HDC hdc );
 
diff --git a/src/gallium/state_trackers/wgl/shared/stw_quirks.c b/src/gallium/state_trackers/wgl/shared/stw_quirks.c
index 0961ce3bb0..2f7091a52c 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_quirks.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_quirks.c
@@ -111,3 +111,6 @@ void gl_dispatch_stub_770(void){}
 void gl_dispatch_stub_771(void){}
 void gl_dispatch_stub_772(void){}
 void gl_dispatch_stub_773(void){}
+void gl_dispatch_stub_774(void){}
+void gl_dispatch_stub_750(void){}
+void gl_dispatch_stub_742(void){}
diff --git a/src/gallium/state_trackers/wgl/stw.c b/src/gallium/state_trackers/wgl/stw.c
deleted file mode 100644
index 8bccdad221..0000000000
--- a/src/gallium/state_trackers/wgl/stw.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/**************************************************************************
- *
- * 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 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 "stw.h"
-#include "shared/stw_winsys.h"
-
-boolean
-st_init(const struct stw_winsys *stw_winsys)
-{
-   if (!stw_shared_init( stw_winsys ))
-      goto fail;
-
-   if (!stw_icd_init())
-      goto fail;
-
-   if (!stw_wgl_init())
-      goto fail;
-
-   return TRUE;
-
-fail:
-   st_cleanup();
-   return FALSE;
-}
-
-
-void
-st_cleanup(void)
-{
-   stw_icd_cleanup();
-   stw_shared_cleanup();
-   stw_wgl_cleanup();
-}
diff --git a/src/gallium/state_trackers/wgl/stw.h b/src/gallium/state_trackers/wgl/stw.h
deleted file mode 100644
index 450af4ccb6..0000000000
--- a/src/gallium/state_trackers/wgl/stw.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/**************************************************************************
- *
- * 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_H
-#define STW_H
-
-#include "pipe/p_compiler.h"
-
-struct stw_winsys;
-
-/* Public interface:
- */
-boolean stw_init( const struct stw_winsys *stw_winsys );
-void stw_cleanup( void );
-
-
-
-/* Internal functions
- */
-boolean stw_shared_init( const struct stw_winsys *stw_winsys );
-boolean stw_icd_init( void ); 
-boolean stw_wgl_init( void );
-
-void stw_shared_cleanup( void );
-void stw_icd_cleanup( void ); 
-void stw_wgl_cleanup( void );
-
-
-#endif /* STW_H */
diff --git a/src/gallium/state_trackers/wgl/wgl/stw_wgl.c b/src/gallium/state_trackers/wgl/wgl/stw_wgl.c
index f50b79b4e1..e06d2640b4 100644
--- a/src/gallium/state_trackers/wgl/wgl/stw_wgl.c
+++ b/src/gallium/state_trackers/wgl/wgl/stw_wgl.c
@@ -27,25 +27,9 @@
 
 #include <windows.h>
 
-#include "pipe/p_debug.h"
+#include "util/u_debug.h"
 #include "shared/stw_public.h"
 #include "stw_wgl.h"
-#include "stw.h"
-
-boolean stw_wgl_init( void )
-{
-   debug_printf("%s\n", __FUNCTION__);
-   return TRUE;
-}
-
-void stw_wgl_cleanup( void )
-{
-}
-
-static INLINE struct stw_context *stw_context( HGLRC hglrc )
-{
-   return (struct stw_context *)hglrc;
-}
 
 
 WINGDIAPI BOOL APIENTRY
@@ -54,8 +38,8 @@ wglCopyContext(
    HGLRC hglrcDst,
    UINT mask )
 {
-   return stw_copy_context( stw_context(hglrcSrc), 
-                            stw_context(hglrcDst), 
+   return stw_copy_context( (UINT_PTR)hglrcSrc, 
+                            (UINT_PTR)hglrcDst, 
                             mask );
 }
 
@@ -63,7 +47,7 @@ WINGDIAPI HGLRC APIENTRY
 wglCreateContext(
    HDC hdc )
 {
-   return (HGLRC) stw_create_context( hdc, 0 );
+   return wglCreateLayerContext(hdc, 0);
 }
 
 WINGDIAPI HGLRC APIENTRY
@@ -71,21 +55,21 @@ wglCreateLayerContext(
    HDC hdc,
    int iLayerPlane )
 {
-   return (HGLRC) stw_create_context( hdc, iLayerPlane );
+   return (HGLRC) stw_create_layer_context( hdc, iLayerPlane );
 }
 
 WINGDIAPI BOOL APIENTRY
 wglDeleteContext(
    HGLRC hglrc )
 {
-   return stw_delete_context( stw_context(hglrc) );
+   return stw_delete_context( (UINT_PTR)hglrc );
 }
 
 
 WINGDIAPI HGLRC APIENTRY
 wglGetCurrentContext( VOID )
 {
-   return (HGLRC) stw_get_current_context();
+   return (HGLRC)stw_get_current_context();
 }
 
 WINGDIAPI HDC APIENTRY
@@ -99,7 +83,7 @@ wglMakeCurrent(
    HDC hdc,
    HGLRC hglrc )
 {
-   return stw_make_current( hdc, stw_context(hglrc) );
+   return stw_make_current( hdc, (UINT_PTR)hglrc );
 }
 
 
diff --git a/src/gallium/state_trackers/wgl/wgl/stw_wgl.h b/src/gallium/state_trackers/wgl/wgl/stw_wgl.h
index b86cc240f2..a98179944a 100644
--- a/src/gallium/state_trackers/wgl/wgl/stw_wgl.h
+++ b/src/gallium/state_trackers/wgl/wgl/stw_wgl.h
@@ -31,7 +31,7 @@
 
 #include <windows.h>
 
-#include "GL/gl.h"
+#include <GL/gl.h>
 
 
 /*