Merge branch 'sunweaver-pr/createpixmap-alloc-hints-abi-change' into 3.6.x

Attributes GH PR #410: https://github.com/ArcticaProject/nx-libs/pull/410

34 files changed, 109 insertions, 61 deletions

diff --git a/nx-X11/extras/Mesa.patches/4001_CreatePixmap-AllocationHints.patch b/nx-X11/extras/Mesa.patches/4001_CreatePixmap-AllocationHints.patch
new file mode 100644
index 000000000..f2caf2812
--- /dev/null
+++ b/nx-X11/extras/Mesa.patches/4001_CreatePixmap-AllocationHints.patch
@@ -0,0 +1,13 @@
+Index: Mesa/include/GL/xmesa_xf86.h
+===================================================================
+--- Mesa.orig/include/GL/xmesa_xf86.h
++++ Mesa/include/GL/xmesa_xf86.h
+@@ -130,7 +130,7 @@ do { \
+ 
+ /* CreatePixmap returns a PixmapPtr; so, it cannot be inside braces */
+ #define XMesaCreatePixmap(__d,__b,__w,__h,__depth) \
+-    (*__d->CreatePixmap)(__d, __w, __h, __depth)
++    (*__d->CreatePixmap)(__d, __w, __h, __depth, 0)
+ 
+ #define XMesaFreePixmap(__d,__b) \
+     (*__d->DestroyPixmap)(__b)
diff --git a/nx-X11/extras/Mesa.patches/series b/nx-X11/extras/Mesa.patches/series
new file mode 100644
index 000000000..2ddad71d6
--- /dev/null
+++ b/nx-X11/extras/Mesa.patches/series
@@ -0,0 +1 @@
+4001_CreatePixmap-AllocationHints.patch
diff --git a/nx-X11/programs/Xserver/Xext/shm.c b/nx-X11/programs/Xserver/Xext/shm.c
index 274284151..ca1ff9a7f 100644
--- a/nx-X11/programs/Xserver/Xext/shm.c
+++ b/nx-X11/programs/Xserver/Xext/shm.c
@@ -505,7 +505,8 @@ miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data)
     putGC = GetScratchGC(depth, dst->pScreen);
     if (!putGC)
 	return;
-    pmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth);
+    pmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth,
+                                        CREATE_PIXMAP_USAGE_SCRATCH);
     if (!pmap)
     {
 	FreeScratchGC(putGC);
@@ -1051,7 +1052,7 @@ fbShmCreatePixmap (pScreen, width, height, depth, addr)
 {
     register PixmapPtr pPixmap;
 
-    pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth);
+    pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0);
     if (!pPixmap)
 	return NullPixmap;
 
diff --git a/nx-X11/programs/Xserver/composite/compalloc.c b/nx-X11/programs/Xserver/composite/compalloc.c
index e24c490d2..22b036265 100644
--- a/nx-X11/programs/Xserver/composite/compalloc.c
+++ b/nx-X11/programs/Xserver/composite/compalloc.c
@@ -539,8 +539,8 @@ compNewPixmap (WindowPtr pWin, int x, int y, int w, int h)
     PixmapPtr	    pPixmap;
 
     /* usage_hint unsupported by our old server infrastructure. */
-    pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, pWin->drawable.depth /*,
-                                        CREATE_PIXMAP_USAGE_BACKING_PIXMAP */);
+    pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, pWin->drawable.depth,
+                                        CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
 
     if (!pPixmap)
 	return 0;
diff --git a/nx-X11/programs/Xserver/dbe/midbe.c b/nx-X11/programs/Xserver/dbe/midbe.c
index bc8dd242e..e241e5f28 100644
--- a/nx-X11/programs/Xserver/dbe/midbe.c
+++ b/nx-X11/programs/Xserver/dbe/midbe.c
@@ -188,7 +188,7 @@ miDbeAllocBackBufferName(pWin, bufId, swapAction)
         if (!(pDbeWindowPrivPriv->pFrontBuffer =
             (*pScreen->CreatePixmap)(pScreen, pDbeWindowPriv->width,
                                      pDbeWindowPriv->height,
-                                     pWin->drawable.depth)))
+                                     pWin->drawable.depth, 0)))
         {
             return(BadAlloc);
         }
@@ -197,7 +197,7 @@ miDbeAllocBackBufferName(pWin, bufId, swapAction)
         if (!(pDbeWindowPrivPriv->pBackBuffer =
             (*pScreen->CreatePixmap)(pScreen, pDbeWindowPriv->width,
                                      pDbeWindowPriv->height,
-                                     pWin->drawable.depth)))
+                                     pWin->drawable.depth, 0)))
         {
             (*pScreen->DestroyPixmap)(pDbeWindowPrivPriv->pFrontBuffer); 
             return(BadAlloc);
@@ -668,10 +668,10 @@ miDbePositionWindow(pWin, x, y)
 
     /* Create DBE buffer pixmaps equal to size of resized window. */
     pFrontBuffer = (*pScreen->CreatePixmap)(pScreen, width, height,
-					    pWin->drawable.depth);
+					    pWin->drawable.depth, 0);
 
     pBackBuffer = (*pScreen->CreatePixmap)(pScreen, width, height,
-					   pWin->drawable.depth);
+					   pWin->drawable.depth, 0);
 
     if (!pFrontBuffer || !pBackBuffer)
     {
diff --git a/nx-X11/programs/Xserver/dix/dispatch.c b/nx-X11/programs/Xserver/dix/dispatch.c
index 51468f1c7..c9ce8981c 100644
--- a/nx-X11/programs/Xserver/dix/dispatch.c
+++ b/nx-X11/programs/Xserver/dix/dispatch.c
@@ -1508,7 +1508,7 @@ ProcCreatePixmap(register ClientPtr client)
 CreatePmap:
     pMap = (PixmapPtr)(*pDraw->pScreen->CreatePixmap)
 		(pDraw->pScreen, stuff->width,
-		 stuff->height, stuff->depth);
+		 stuff->height, stuff->depth, 0);
     if (pMap)
     {
 	pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
diff --git a/nx-X11/programs/Xserver/dix/gc.c b/nx-X11/programs/Xserver/dix/gc.c
index b3a4edf4d..d40334f5f 100644
--- a/nx-X11/programs/Xserver/dix/gc.c
+++ b/nx-X11/programs/Xserver/dix/gc.c
@@ -694,7 +694,7 @@ CreateDefaultTile (GCPtr pGC)
     (*pGC->pScreen->QueryBestSize)(TileShape, &w, &h, pGC->pScreen);
     pTile = (PixmapPtr)
 	    (*pGC->pScreen->CreatePixmap)(pGC->pScreen,
-					  w, h, pGC->depth);
+					  w, h, pGC->depth, 0);
     pgcScratch = GetScratchGC(pGC->depth, pGC->pScreen);
     if (!pTile || !pgcScratch)
     {
@@ -1047,7 +1047,7 @@ CreateDefaultStipple(int screenNum)
     h = 16;
     (* pScreen->QueryBestSize)(StippleShape, &w, &h, pScreen);
     if (!(pScreen->PixmapPerDepth[0] =
-			(*pScreen->CreatePixmap)(pScreen, w, h, 1)))
+			(*pScreen->CreatePixmap)(pScreen, w, h, 1, 0)))
 	return FALSE;
     /* fill stipple with 1 */
     tmpval[0] = GXcopy; tmpval[1] = 1; tmpval[2] = FillSolid;
diff --git a/nx-X11/programs/Xserver/dix/glyphcurs.c b/nx-X11/programs/Xserver/dix/glyphcurs.c
index 08d67b922..5e36f158c 100644
--- a/nx-X11/programs/Xserver/dix/glyphcurs.c
+++ b/nx-X11/programs/Xserver/dix/glyphcurs.c
@@ -99,7 +99,8 @@ ServerBitsFromGlyph(FontPtr pfont, unsigned ch, register CursorMetricPtr cm, uns
     bzero(pbits, nby);
 
     ppix = (PixmapPtr)(*pScreen->CreatePixmap)(pScreen, cm->width,
-					       cm->height, 1);
+					       cm->height, 1,
+					       CREATE_PIXMAP_USAGE_SCRATCH);
     pGC = GetScratchGC(1, pScreen);
     if (!ppix || !pGC)
     {
diff --git a/nx-X11/programs/Xserver/dix/pixmap.c b/nx-X11/programs/Xserver/dix/pixmap.c
index 1f2239c12..747120b48 100644
--- a/nx-X11/programs/Xserver/dix/pixmap.c
+++ b/nx-X11/programs/Xserver/dix/pixmap.c
@@ -59,7 +59,7 @@ GetScratchPixmapHeader(ScreenPtr pScreen, int width, int height, int depth,
 	pScreen->pScratchPixmap = NULL;
     else
 	/* width and height of 0 means don't allocate any pixmap data */
-	pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth);
+	pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0);
 
     if (pPixmap) {
 	if ((*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth,
diff --git a/nx-X11/programs/Xserver/dix/window.c b/nx-X11/programs/Xserver/dix/window.c
index a7346e778..ba9cfc2d2 100644
--- a/nx-X11/programs/Xserver/dix/window.c
+++ b/nx-X11/programs/Xserver/dix/window.c
@@ -295,7 +295,7 @@ MakeRootTile(WindowPtr pWin)
     register int i, j;
 
     pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4,
-						    pScreen->rootDepth);
+						    pScreen->rootDepth, 0);
 
     pWin->backgroundState = BackgroundPixmap;
     pGC = GetScratchGC(pScreen->rootDepth, pScreen);
diff --git a/nx-X11/programs/Xserver/fb/fb.h b/nx-X11/programs/Xserver/fb/fb.h
index a52c8d0e3..14738df2e 100644
--- a/nx-X11/programs/Xserver/fb/fb.h
+++ b/nx-X11/programs/Xserver/fb/fb.h
@@ -1596,10 +1596,11 @@ fbPictureInit (ScreenPtr pScreen,
  */
 
 PixmapPtr
-fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp);
+fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp,
+                   unsigned usage_hint);
 
 PixmapPtr
-fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth);
+fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth, unsigned usage_hint);
 
 Bool
 fbDestroyPixmap (PixmapPtr pPixmap);
diff --git a/nx-X11/programs/Xserver/fb/fb24_32.c b/nx-X11/programs/Xserver/fb/fb24_32.c
index 13af3acb2..f80874e2f 100644
--- a/nx-X11/programs/Xserver/fb/fb24_32.c
+++ b/nx-X11/programs/Xserver/fb/fb24_32.c
@@ -537,7 +537,7 @@ fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel)
 				  pOldTile->drawable.width,
 				  pOldTile->drawable.height,
 				  pOldTile->drawable.depth,
-				  bitsPerPixel);
+				  bitsPerPixel, 0);
     if (!pNewTile)
 	return 0;
     fbGetDrawable (&pOldTile->drawable, 
diff --git a/nx-X11/programs/Xserver/fb/fboverlay.c b/nx-X11/programs/Xserver/fb/fboverlay.c
index af7693ab8..392ffc70b 100644
--- a/nx-X11/programs/Xserver/fb/fboverlay.c
+++ b/nx-X11/programs/Xserver/fb/fboverlay.c
@@ -140,7 +140,7 @@ fbOverlayCreateScreenResources(ScreenPtr pScreen)
 	pbits = pScrPriv->layer[i].u.init.pbits;
 	width = pScrPriv->layer[i].u.init.width;
 	depth = pScrPriv->layer[i].u.init.depth;
-	pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth);
+	pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0);
 	if (!pPixmap)
 	    return FALSE;
 	if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width,
diff --git a/nx-X11/programs/Xserver/fb/fbpixmap.c b/nx-X11/programs/Xserver/fb/fbpixmap.c
index a2b98bc3c..5f24433e3 100644
--- a/nx-X11/programs/Xserver/fb/fbpixmap.c
+++ b/nx-X11/programs/Xserver/fb/fbpixmap.c
@@ -31,7 +31,8 @@
 #include "fb.h"
 
 PixmapPtr
-fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp)
+fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp,
+                   unsigned usage_hint)
 {
     PixmapPtr	pPixmap;
     size_t	datasize;
@@ -81,12 +82,14 @@ fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp)
     pPixmap->screen_x = 0;
     pPixmap->screen_y = 0;
 #endif
+    pPixmap->usage_hint = usage_hint;
 
     return pPixmap;
 }
 
 PixmapPtr
-fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth)
+fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth,
+                unsigned usage_hint)
 {
     int	bpp;
     bpp = BitsPerPixel (depth);
@@ -94,7 +97,7 @@ fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth)
     if (bpp == 32 && depth <= 24)
 	bpp = fbGetScreenPrivate(pScreen)->pix32bpp;
 #endif
-    return fbCreatePixmapBpp (pScreen, width, height, depth, bpp);
+    return fbCreatePixmapBpp (pScreen, width, height, depth, bpp, usage_hint);
 }
 
 Bool
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Drawable.c b/nx-X11/programs/Xserver/hw/nxagent/Drawable.c
index 8d6f4139d..917f460ba 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Drawable.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Drawable.c
@@ -2702,7 +2702,7 @@ void nxagentCreateDrawableBitmap(DrawablePtr pDrawable)
    * would fail.
    */
 
-  pBitmap = nxagentCreatePixmap(pDrawable -> pScreen, pDrawable -> width, pDrawable -> height, pDrawable -> depth);
+  pBitmap = nxagentCreatePixmap(pDrawable -> pScreen, pDrawable -> width, pDrawable -> height, pDrawable -> depth, 0);
 
   if (pBitmap == NULL)
   {
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
index 7bf285d1f..34195808d 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
@@ -245,7 +245,9 @@ miGlyphs (CARD8		op,
 	    return;
 	width = extents.x2 - extents.x1;
 	height = extents.y2 - extents.y1;
-	pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, maskFormat->depth);
+	pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
+	                                        maskFormat->depth,
+	                                        CREATE_PIXMAP_USAGE_SCRATCH);
 
 	if (!pMaskPixmap)
 	    return;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXglyphcurs.c b/nx-X11/programs/Xserver/hw/nxagent/NXglyphcurs.c
index 8b875555f..549ab4333 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXglyphcurs.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXglyphcurs.c
@@ -114,7 +114,8 @@ ServerBitsFromGlyph(FontPtr pfont, unsigned ch, register CursorMetricPtr cm, uns
     /* zeroing the (pad) bits seems to help some ddx cursor handling */
     bzero(pbits, nby);
 
-    ppix = fbCreatePixmap(pScreen, cm->width, cm->height, 1);
+    ppix = fbCreatePixmap(pScreen, cm->width, cm->height, 1,
+                          CREATE_PIXMAP_USAGE_SCRATCH);
     pGC = GetScratchGC(1, pScreen);
     if (!ppix || !pGC)
     {
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXrender.c b/nx-X11/programs/Xserver/hw/nxagent/NXrender.c
index ef288db0b..c1a4577bd 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXrender.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXrender.c
@@ -1266,7 +1266,8 @@ ProcRenderCreateCursor (ClientPtr client)
 	    free (mskbits);
 	    return (BadImplementation);
 	}
-	pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32);
+	pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32,
+	                                   CREATE_PIXMAP_USAGE_SCRATCH);
 	if (!pPixmap)
 	{
 	    free (argbbits);
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXshm.c b/nx-X11/programs/Xserver/hw/nxagent/NXshm.c
index f251f3b9f..2ffca8066 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXshm.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXshm.c
@@ -173,7 +173,8 @@ miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data)
         nxagentShmTrap = 1;
 	return;
     }
-    pmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth);
+    pmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth,
+                                        CREATE_PIXMAP_USAGE_SCRATCH);
     if (!pmap)
     {
         nxagentShmTrap = 1;
@@ -387,7 +388,7 @@ fbShmCreatePixmap (pScreen, width, height, depth, addr)
 
     nxagentShmPixmapTrap = 1;
 
-    pPixmap = (*pScreen->CreatePixmap)(pScreen, width, height, depth);
+    pPixmap = (*pScreen->CreatePixmap)(pScreen, width, height, depth, 0);
 
     if (!pPixmap)
     {
@@ -397,7 +398,7 @@ fbShmCreatePixmap (pScreen, width, height, depth, addr)
     }
 
     #ifdef TEST
-    fprintf(stderr,"fbShmCreatePixmap: Width [%d] Height [%d] Depth [%d]\n", width, height, depth);
+    fprintf(stderr,"fbShmCreatePixmap: Width [%d] Height [%d] Depth [%d] Hint[%d]\n", width, height, depth, 0);
     #endif
 
     if (!(*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth,
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXwindow.c b/nx-X11/programs/Xserver/hw/nxagent/NXwindow.c
index adff36569..7de25ca28 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXwindow.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXwindow.c
@@ -162,7 +162,7 @@ MakeRootTile(WindowPtr pWin)
     register int i, j;
 
     pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4,
-						    pScreen->rootDepth);
+						    pScreen->rootDepth, 0);
 
     pWin->backgroundState = BackgroundPixmap;
     pGC = GetScratchGC(pScreen->rootDepth, pScreen);
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Pixmap.c b/nx-X11/programs/Xserver/hw/nxagent/Pixmap.c
index 05558e34f..be5408d13 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Pixmap.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Pixmap.c
@@ -96,8 +96,8 @@ struct nxagentPixmapPair
   PixmapPtr pMap;
 };
 
-PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
-                                  int height, int depth)
+PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width, int height,
+                              int depth, unsigned usage_hint)
 {
   nxagentPrivPixmapPtr pPixmapPriv, pVirtualPriv;
 
@@ -106,7 +106,8 @@ PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
 
   #ifdef DEBUG
   fprintf(stderr, "nxagentCreatePixmap: Creating pixmap with width [%d] "
-              "height [%d] depth [%d].\n", width, height, depth);
+              "height [%d] depth [%d] and allocation hint [%d].\n",
+              width, height, depth, usage_hint);
   #endif
 
   /*
@@ -120,7 +121,8 @@ PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
   {
     #ifdef WARNING
     fprintf(stderr, "nxagentCreatePixmap: WARNING! Failed to create pixmap with "
-                "width [%d] height [%d] depth [%d].\n", width, height, depth);
+                "width [%d] height [%d] depth [%d] and allocation hint [%d].\n",
+                width, height, depth, usage_hint);
     #endif
 
     return NullPixmap;
@@ -144,6 +146,7 @@ PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
   pPixmap -> devKind = 0;
   pPixmap -> refcnt = 1;
   pPixmap -> devPrivate.ptr = NULL;
+  pPixmap -> usage_hint = usage_hint;
 
   /*
    * Initialize the privates of the real picture.
@@ -242,13 +245,14 @@ PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
    * Create the pixmap in the virtual framebuffer.
    */
 
-  pVirtual = fbCreatePixmap(pScreen, width, height, depth);
+  pVirtual = fbCreatePixmap(pScreen, width, height, depth, usage_hint);
 
   if (pVirtual == NULL)
   {
     #ifdef PANIC
     fprintf(stderr, "nxagentCreatePixmap: PANIC! Failed to create virtual pixmap with "
-                "width [%d] height [%d] depth [%d].\n", width, height, depth);
+                "width [%d] height [%d] depth [%d] and allocation hint [%d].\n",
+                width, height, depth, usage_hint);
     #endif
 
     nxagentDestroyPixmap(pPixmap);
@@ -257,8 +261,9 @@ PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
   }
 
   #ifdef TEST
-  fprintf(stderr,"nxagentCreatePixmap: Allocated memory for the Virtual %sPixmap %p of real Pixmap %p (%dx%d)\n",
-              nxagentShmPixmapTrap ? "Shm " : "", (void *) pVirtual, (void *) pPixmap, width, height);
+  fprintf(stderr,"nxagentCreatePixmap: Allocated memory for the Virtual %sPixmap %p of real Pixmap %p (%dx%d),",
+              "allocation hint [%d].\n",
+              nxagentShmPixmapTrap ? "Shm " : "", (void *) pVirtual, (void *) pPixmap, width, height, usage_hint);
   #endif
 
   pPixmapPriv -> pVirtualPixmap = pVirtual;
@@ -330,10 +335,11 @@ PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
                 "bits per pixel.\n", (void *) pVirtual);
 
     fprintf(stderr, "nxagentCreatePixmap: WARNING! Real pixmap created with width [%d] "
-                "height [%d] depth [%d] bits per pixel [%d].\n", pPixmap -> drawable.width,
+                "height [%d] depth [%d] bits per pixel [%d] and allocation hint [%d].\n",
+                pPixmap -> drawable.width,
                     pPixmap -> drawable.height = height, pPixmap -> drawable.depth,
-                        pPixmap -> drawable.bitsPerPixel);
-
+                        pPixmap -> drawable.bitsPerPixel,
+                           usage_hint);
     #endif
 
     if (!nxagentRenderTrap)
@@ -352,8 +358,8 @@ PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
 
   #ifdef TEST
   fprintf(stderr, "nxagentCreatePixmap: Created pixmap at [%p] virtual at [%p] with width [%d] "
-              "height [%d] depth [%d].\n", (void *) pPixmap, (void *) pVirtual,
-                  width, height, depth);
+              "height [%d] depth [%d] and allocation hint [%d].\n",
+              (void *) pPixmap, (void *) pVirtual, width, height, depth, usage_hint);
   #endif
 
   return pPixmap;
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Pixmaps.h b/nx-X11/programs/Xserver/hw/nxagent/Pixmaps.h
index d823cd77b..00cc39c5f 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Pixmaps.h
+++ b/nx-X11/programs/Xserver/hw/nxagent/Pixmaps.h
@@ -117,7 +117,7 @@ extern int nxagentPixmapPrivateIndex;
 PixmapPtr nxagentPixmapPtr(Pixmap pixmap);
 
 PixmapPtr nxagentCreatePixmap(ScreenPtr pScreen, int width,
-                                  int height, int depth);
+                                  int height, int depth, unsigned usage_hint);
 
 Bool nxagentDestroyPixmap(PixmapPtr pPixmap);
 
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.c b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
index 8fb4ce710..1c3e76580 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Screen.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
@@ -2855,7 +2855,7 @@ int nxagentShadowCreateMainWindow(ScreenPtr pScreen, WindowPtr pWin, int width,
     DeleteWindow(nxagentShadowWindowPtr, accessWindowID);
   }
 
-  nxagentShadowPixmapPtr = nxagentCreatePixmap(pScreen, nxagentShadowWidth, nxagentShadowHeight, nxagentShadowDepth);
+  nxagentShadowPixmapPtr = nxagentCreatePixmap(pScreen, nxagentShadowWidth, nxagentShadowHeight, nxagentShadowDepth, 0);
 
   if (nxagentShadowPixmapPtr)
   {
diff --git a/nx-X11/programs/Xserver/include/pixmapstr.h b/nx-X11/programs/Xserver/include/pixmapstr.h
index 5189c3e09..82b96d456 100644
--- a/nx-X11/programs/Xserver/include/pixmapstr.h
+++ b/nx-X11/programs/Xserver/include/pixmapstr.h
@@ -82,6 +82,7 @@ typedef struct _Pixmap {
     short		screen_x;
     short		screen_y;
 #endif
+    unsigned		usage_hint;   /* see CREATE_PIXMAP_USAGE_* */
 } PixmapRec;
 
 #endif /* PIXMAPSTRUCT_H */
diff --git a/nx-X11/programs/Xserver/include/scrnintstr.h b/nx-X11/programs/Xserver/include/scrnintstr.h
index 341d1145c..5a3f32309 100644
--- a/nx-X11/programs/Xserver/include/scrnintstr.h
+++ b/nx-X11/programs/Xserver/include/scrnintstr.h
@@ -196,11 +196,19 @@ typedef    void (* ClipNotifyProcPtr)(
 	int /*dx*/,
 	int /*dy*/);
 
+/* pixmap will exist only for the duration of the current rendering operation */
+#define CREATE_PIXMAP_USAGE_SCRATCH                     1
+/* pixmap will be the backing pixmap for a redirected window */
+#define CREATE_PIXMAP_USAGE_BACKING_PIXMAP              2
+/* pixmap will contain a glyph */
+#define CREATE_PIXMAP_USAGE_GLYPH_PICTURE               3
+
 typedef    PixmapPtr (* CreatePixmapProcPtr)(
 	ScreenPtr /*pScreen*/,
 	int /*width*/,
 	int /*height*/,
-	int /*depth*/);
+	int /*depth*/,
+	unsigned /*usage_hint*/);
 
 typedef    Bool (* DestroyPixmapProcPtr)(
 	PixmapPtr /*pPixmap*/);
diff --git a/nx-X11/programs/Xserver/mi/miarc.c b/nx-X11/programs/Xserver/mi/miarc.c
index bd46a243a..5695e24af 100644
--- a/nx-X11/programs/Xserver/mi/miarc.c
+++ b/nx-X11/programs/Xserver/mi/miarc.c
@@ -1184,7 +1184,8 @@ miPolyArc(pDraw, pGC, narcs, parcs)
 	    /* allocate a 1 bit deep pixmap of the appropriate size, and
 	     * validate it */
 	    pDrawTo = (DrawablePtr)(*pDraw->pScreen->CreatePixmap)
-				(pDraw->pScreen, pixmapWidth, pixmapHeight, 1);
+				(pDraw->pScreen, pixmapWidth, pixmapHeight, 1,
+				CREATE_PIXMAP_USAGE_SCRATCH);
 	    if (!pDrawTo)
 	    {
 		FreeScratchGC(pGCTo);
diff --git a/nx-X11/programs/Xserver/mi/mibitblt.c b/nx-X11/programs/Xserver/mi/mibitblt.c
index 2fdc32500..67d36a742 100644
--- a/nx-X11/programs/Xserver/mi/mibitblt.c
+++ b/nx-X11/programs/Xserver/mi/mibitblt.c
@@ -420,7 +420,8 @@ miOpqStipDrawable(pDraw, pGC, prgnSrc, pbits, srcx, w, h, dstx, dsty)
     RegionPtr	prgnSrcClip;
 
     pPixmap = (*pDraw->pScreen->CreatePixmap)
-			   (pDraw->pScreen, w + srcx, h, 1);
+			   (pDraw->pScreen, w + srcx, h, 1,
+			   CREATE_PIXMAP_USAGE_SCRATCH);
     if (!pPixmap)
 	return;
 
@@ -671,7 +672,8 @@ miGetImage(pDraw, sx, sy, w, h, format, planeMask, pDst)
 	    if (!pGC)
 		return;
             pPixmap = (*pDraw->pScreen->CreatePixmap)
-			       (pDraw->pScreen, w, 1, depth);
+			       (pDraw->pScreen, w, 1, depth,
+			       CREATE_PIXMAP_USAGE_SCRATCH);
 	    if (!pPixmap)
 	    {
 		FreeScratchGC(pGC);
diff --git a/nx-X11/programs/Xserver/mi/mibstore.c b/nx-X11/programs/Xserver/mi/mibstore.c
index 3c4b74814..3eafac235 100644
--- a/nx-X11/programs/Xserver/mi/mibstore.c
+++ b/nx-X11/programs/Xserver/mi/mibstore.c
@@ -493,7 +493,8 @@ miBSGetImage (pDrawable, sx, sy, w, h, format, planemask, pdstLine)
 		    XID	subWindowMode = IncludeInferiors;
 		    int	x, y;
 
-		    pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, depth);
+		    pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, depth,
+		                                       CREATE_PIXMAP_USAGE_SCRATCH);
 		    if (!pPixmap)
 			goto punt;
 		    pGC = GetScratchGC (depth, pScreen);
@@ -2737,7 +2738,7 @@ miResizeBackingStore(
 	    pNewPixmap = (PixmapPtr)(*pScreen->CreatePixmap)
 					    (pScreen,
 					     nw, nh,
-					     pWin->drawable.depth);
+					     pWin->drawable.depth, 0);
 	    if (!pNewPixmap)
 	    {
 #ifdef BSEAGER
@@ -3737,7 +3738,7 @@ miCreateBSPixmap (pWin, pExtents)
 			   (pScreen,
 			    extents->x2 - extents->x1,
 			    extents->y2 - extents->y1,
-			    pWin->drawable.depth);
+			    pWin->drawable.depth, 0);
     }
     if (!pBackingStore->pBackingPixmap)
     {
diff --git a/nx-X11/programs/Xserver/mi/midispcur.c b/nx-X11/programs/Xserver/mi/midispcur.c
index df15ea311..92d0fb15c 100644
--- a/nx-X11/programs/Xserver/mi/midispcur.c
+++ b/nx-X11/programs/Xserver/mi/midispcur.c
@@ -266,7 +266,8 @@ miDCRealize (
 	pPriv->sourceBits = 0;
 	pPriv->maskBits = 0;
 	pPixmap = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width,
-					    pCursor->bits->height, 32);
+					    pCursor->bits->height, 32,
+					    CREATE_PIXMAP_USAGE_SCRATCH);
 	if (!pPixmap)
 	{
 	    free ((void *) pPriv);
@@ -298,13 +299,13 @@ miDCRealize (
     }
     pPriv->pPicture = 0;
 #endif
-    pPriv->sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1);
+    pPriv->sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1, 0);
     if (!pPriv->sourceBits)
     {
 	free ((void *) pPriv);
 	return (miDCCursorPtr)NULL;
     }
-    pPriv->maskBits =  (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1);
+    pPriv->maskBits =  (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1, 0);
     if (!pPriv->maskBits)
     {
 	(*pScreen->DestroyPixmap) (pPriv->sourceBits);
@@ -525,7 +526,7 @@ miDCSaveUnderCursor (pScreen, x, y, w, h)
 	if (pSave)
 	    (*pScreen->DestroyPixmap) (pSave);
 	pScreenPriv->pSave = pSave =
-		(*pScreen->CreatePixmap) (pScreen, w, h, pScreen->rootDepth);
+		(*pScreen->CreatePixmap) (pScreen, w, h, pScreen->rootDepth, 0);
 	if (!pSave)
 	    return FALSE;
     }
@@ -735,7 +736,7 @@ miDCMoveCursor (pScreen, pCursor, x, y, w, h, dx, dy, source, mask)
 	}
 #endif
 	pScreenPriv->pTemp = pTemp = (*pScreen->CreatePixmap)
-	    (pScreen, w, h, pScreenPriv->pSave->drawable.depth);
+	    (pScreen, w, h, pScreenPriv->pSave->drawable.depth, 0);
 	if (!pTemp)
 	    return FALSE;
     }
diff --git a/nx-X11/programs/Xserver/mi/miglblt.c b/nx-X11/programs/Xserver/mi/miglblt.c
index 60c28fad4..462534bb6 100644
--- a/nx-X11/programs/Xserver/mi/miglblt.c
+++ b/nx-X11/programs/Xserver/mi/miglblt.c
@@ -125,7 +125,8 @@ miPolyGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
 	     FONTMAXBOUNDS(pfont,descent);
 
     pPixmap = (*pDrawable->pScreen->CreatePixmap)(pDrawable->pScreen,
-						  width, height, 1);
+						  width, height, 1,
+						  CREATE_PIXMAP_USAGE_SCRATCH);
     if (!pPixmap)
 	return;
 
diff --git a/nx-X11/programs/Xserver/mi/miscrinit.c b/nx-X11/programs/Xserver/mi/miscrinit.c
index c5b78fa8f..e38284c50 100644
--- a/nx-X11/programs/Xserver/mi/miscrinit.c
+++ b/nx-X11/programs/Xserver/mi/miscrinit.c
@@ -160,7 +160,7 @@ miCreateScreenResources(pScreen)
 	/* create a pixmap with no data, then redirect it to point to
 	 * the screen
 	 */
-	pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth);
+	pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0);
 	if (!pPixmap)
 	    return FALSE;
 
diff --git a/nx-X11/programs/Xserver/render/mirect.c b/nx-X11/programs/Xserver/render/mirect.c
index 3ce7a7f4c..888492140 100644
--- a/nx-X11/programs/Xserver/render/mirect.c
+++ b/nx-X11/programs/Xserver/render/mirect.c
@@ -137,7 +137,8 @@ miCompositeRects (CARD8		op,
 	    goto bail1;
 	
 	pPixmap = (*pScreen->CreatePixmap) (pScreen, 1, 1,
-					    rgbaFormat->depth);
+					    rgbaFormat->depth,
+					    CREATE_PIXMAP_USAGE_SCRATCH);
 	if (!pPixmap)
 	    goto bail2;
 	
diff --git a/nx-X11/programs/Xserver/render/mitrap.c b/nx-X11/programs/Xserver/render/mitrap.c
index 96f1159a4..d3d052800 100644
--- a/nx-X11/programs/Xserver/render/mitrap.c
+++ b/nx-X11/programs/Xserver/render/mitrap.c
@@ -62,7 +62,7 @@ miCreateAlphaPicture (ScreenPtr	    pScreen,
     }
 
     pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 
-					pPictFormat->depth);
+					pPictFormat->depth, 0);
     if (!pPixmap)
 	return 0;
     pGC = GetScratchGC (pPixmap->drawable.depth, pScreen);
diff --git a/nx-X11/programs/Xserver/render/render.c b/nx-X11/programs/Xserver/render/render.c
index 43cb430aa..24a8675f6 100644
--- a/nx-X11/programs/Xserver/render/render.c
+++ b/nx-X11/programs/Xserver/render/render.c
@@ -1570,7 +1570,8 @@ ProcRenderCreateCursor (ClientPtr client)
 	    free (mskbits);
 	    return (BadImplementation);
 	}
-	pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32);
+	pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32,
+	                                    CREATE_PIXMAP_USAGE_SCRATCH);
 	if (!pPixmap)
 	{
 	    free (argbbits);