mesa update 11 july 2011

1 files changed, 404 insertions, 371 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_surface.c b/mesalib/src/gallium/auxiliary/util/u_surface.c
index 26f2aee99..8e123867d 100644
--- a/mesalib/src/gallium/auxiliary/util/u_surface.c
+++ b/mesalib/src/gallium/auxiliary/util/u_surface.c
@@ -1,371 +1,404 @@
-/**************************************************************************

- *

- * 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 VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR

- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- **************************************************************************/

-

-/**

- * @file

- * Surface utility functions.

- *  

- * @author Brian Paul

- */

-

-

-#include "pipe/p_defines.h"

-#include "pipe/p_screen.h"

-#include "pipe/p_state.h"

-

-#include "util/u_format.h"

-#include "util/u_inlines.h"

-#include "util/u_rect.h"

-#include "util/u_surface.h"

-#include "util/u_pack_color.h"

-

-void

-u_surface_default_template(struct pipe_surface *view,

-                           const struct pipe_resource *texture,

-                           unsigned bind)

-{

-   view->format = texture->format;

-   view->u.tex.level = 0;

-   view->u.tex.first_layer = 0;

-   view->u.tex.last_layer = 0;

-   /* XXX should filter out all non-rt/ds bind flags ? */

-   view->usage = bind;

-}

-

-/**

- * Helper to quickly create an RGBA rendering surface of a certain size.

- * \param textureOut  returns the new texture

- * \param surfaceOut  returns the new surface

- * \return TRUE for success, FALSE if failure

- */

-boolean

-util_create_rgba_surface(struct pipe_context *pipe,

-                         uint width, uint height,

-                         uint bind,

-                         struct pipe_resource **textureOut,

-                         struct pipe_surface **surfaceOut)

-{

-   static const enum pipe_format rgbaFormats[] = {

-      PIPE_FORMAT_B8G8R8A8_UNORM,

-      PIPE_FORMAT_A8R8G8B8_UNORM,

-      PIPE_FORMAT_A8B8G8R8_UNORM,

-      PIPE_FORMAT_NONE

-   };

-   const uint target = PIPE_TEXTURE_2D;

-   enum pipe_format format = PIPE_FORMAT_NONE;

-   struct pipe_resource templ;

-   struct pipe_surface surf_templ;

-   struct pipe_screen *screen = pipe->screen;

-   uint i;

-

-   /* Choose surface format */

-   for (i = 0; rgbaFormats[i]; i++) {

-      if (screen->is_format_supported(screen, rgbaFormats[i],

-                                      target, 0, bind)) {

-         format = rgbaFormats[i];

-         break;

-      }

-   }

-   if (format == PIPE_FORMAT_NONE)

-      return FALSE;  /* unable to get an rgba format!?! */

-

-   /* create texture */

-   memset(&templ, 0, sizeof(templ));

-   templ.target = target;

-   templ.format = format;

-   templ.last_level = 0;

-   templ.width0 = width;

-   templ.height0 = height;

-   templ.depth0 = 1;

-   templ.array_size = 1;

-   templ.bind = bind;

-

-   *textureOut = screen->resource_create(screen, &templ);

-   if (!*textureOut)

-      return FALSE;

-

-   /* create surface */

-   memset(&surf_templ, 0, sizeof(surf_templ));

-   u_surface_default_template(&surf_templ, *textureOut, bind);

-   /* create surface / view into texture */

-   *surfaceOut = pipe->create_surface(pipe,

-                                      *textureOut,

-                                      &surf_templ);

-   if (!*surfaceOut) {

-      pipe_resource_reference(textureOut, NULL);

-      return FALSE;

-   }

-

-   return TRUE;

-}

-

-

-/**

- * Release the surface and texture from util_create_rgba_surface().

- */

-void

-util_destroy_rgba_surface(struct pipe_resource *texture,

-                          struct pipe_surface *surface)

-{

-   pipe_surface_reference(&surface, NULL);

-   pipe_resource_reference(&texture, NULL);

-}

-

-

-

-/**

- * Fallback function for pipe->resource_copy_region().

- * Note: (X,Y)=(0,0) is always the upper-left corner.

- */

-void

-util_resource_copy_region(struct pipe_context *pipe,

-                          struct pipe_resource *dst,

-                          unsigned dst_level,

-                          unsigned dst_x, unsigned dst_y, unsigned dst_z,

-                          struct pipe_resource *src,

-                          unsigned src_level,

-                          const struct pipe_box *src_box)

-{

-   struct pipe_transfer *src_trans, *dst_trans;

-   void *dst_map;

-   const void *src_map;

-   enum pipe_format src_format, dst_format;

-   unsigned w = src_box->width;

-   unsigned h = src_box->height;

-

-   assert(src && dst);

-   assert((src->target == PIPE_BUFFER && dst->target == PIPE_BUFFER) ||

-          (src->target != PIPE_BUFFER && dst->target != PIPE_BUFFER));

-

-   if (!src || !dst)

-      return;

-

-   src_format = src->format;

-   dst_format = dst->format;

-

-   src_trans = pipe_get_transfer(pipe,

-                                 src,

-                                 src_level,

-                                 src_box->z,

-                                 PIPE_TRANSFER_READ,

-                                 src_box->x, src_box->y, w, h);

-

-   dst_trans = pipe_get_transfer(pipe,

-                                 dst,

-                                 dst_level,

-                                 dst_z,

-                                 PIPE_TRANSFER_WRITE,

-                                 dst_x, dst_y, w, h);

-

-   assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format));

-   assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format));

-   assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format));

-

-   src_map = pipe->transfer_map(pipe, src_trans);

-   dst_map = pipe->transfer_map(pipe, dst_trans);

-

-   assert(src_map);

-   assert(dst_map);

-

-   if (src_map && dst_map) {

-      if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {

-         memcpy(dst_map, src_map, w);

-      } else {

-         util_copy_rect(dst_map,

-                        dst_format,

-                        dst_trans->stride,

-                        0, 0,

-                        w, h,

-                        src_map,

-                        src_trans->stride,

-                        0,

-                        0);

-      }

-   }

-

-   pipe->transfer_unmap(pipe, src_trans);

-   pipe->transfer_unmap(pipe, dst_trans);

-

-   pipe->transfer_destroy(pipe, src_trans);

-   pipe->transfer_destroy(pipe, dst_trans);

-}

-

-

-

-#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))

-

-

-/**

- * Fallback for pipe->clear_render_target() function.

- * XXX this looks too hackish to be really useful.

- * cpp > 4 looks like a gross hack at best...

- * Plus can't use these transfer fallbacks when clearing

- * multisampled surfaces for instance.

- */

-void

-util_clear_render_target(struct pipe_context *pipe,

-                         struct pipe_surface *dst,

-                         const float *rgba,

-                         unsigned dstx, unsigned dsty,

-                         unsigned width, unsigned height)

-{

-   struct pipe_transfer *dst_trans;

-   void *dst_map;

-   union util_color uc;

-

-   assert(dst->texture);

-   if (!dst->texture)

-      return;

-   /* XXX: should handle multiple layers */

-   dst_trans = pipe_get_transfer(pipe,

-                                 dst->texture,

-                                 dst->u.tex.level,

-                                 dst->u.tex.first_layer,

-                                 PIPE_TRANSFER_WRITE,

-                                 dstx, dsty, width, height);

-

-   dst_map = pipe->transfer_map(pipe, dst_trans);

-

-   assert(dst_map);

-

-   if (dst_map) {

-      assert(dst_trans->stride > 0);

-

-      util_pack_color(rgba, dst->texture->format, &uc);

-      util_fill_rect(dst_map, dst->texture->format,

-                     dst_trans->stride,

-                     0, 0, width, height, &uc);

-   }

-

-   pipe->transfer_unmap(pipe, dst_trans);

-   pipe->transfer_destroy(pipe, dst_trans);

-}

-

-/**

- * Fallback for pipe->clear_stencil() function.

- * sw fallback doesn't look terribly useful here.

- * Plus can't use these transfer fallbacks when clearing

- * multisampled surfaces for instance.

- */

-void

-util_clear_depth_stencil(struct pipe_context *pipe,

-                         struct pipe_surface *dst,

-                         unsigned clear_flags,

-                         double depth,

-                         unsigned stencil,

-                         unsigned dstx, unsigned dsty,

-                         unsigned width, unsigned height)

-{

-   struct pipe_transfer *dst_trans;

-   ubyte *dst_map;

-   boolean need_rmw = FALSE;

-

-   if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) &&

-       ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&

-       util_format_is_depth_and_stencil(dst->format))

-      need_rmw = TRUE;

-

-   assert(dst->texture);

-   if (!dst->texture)

-      return;

-   dst_trans = pipe_get_transfer(pipe,

-                                 dst->texture,

-                                 dst->u.tex.level,

-                                 dst->u.tex.first_layer,

-                                 (need_rmw ? PIPE_TRANSFER_READ_WRITE :

-                                     PIPE_TRANSFER_WRITE),

-                                 dstx, dsty, width, height);

-

-   dst_map = pipe->transfer_map(pipe, dst_trans);

-

-   assert(dst_map);

-

-   if (dst_map) {

-      unsigned dst_stride = dst_trans->stride;

-      unsigned zstencil = util_pack_z_stencil(dst->texture->format, depth, stencil);

-      unsigned i, j;

-      assert(dst_trans->stride > 0);

-

-      switch (util_format_get_blocksize(dst->format)) {

-      case 1:

-         assert(dst->format == PIPE_FORMAT_S8_USCALED);

-         if(dst_stride == width)

-            memset(dst_map, (ubyte) zstencil, height * width);

-         else {

-            for (i = 0; i < height; i++) {

-               memset(dst_map, (ubyte) zstencil, width);

-               dst_map += dst_stride;

-            }

-         }

-         break;

-      case 2:

-         assert(dst->format == PIPE_FORMAT_Z16_UNORM);

-         for (i = 0; i < height; i++) {

-            uint16_t *row = (uint16_t *)dst_map;

-            for (j = 0; j < width; j++)

-               *row++ = (uint16_t) zstencil;

-            dst_map += dst_stride;

-            }

-         break;

-      case 4:

-         if (!need_rmw) {

-            for (i = 0; i < height; i++) {

-               uint32_t *row = (uint32_t *)dst_map;

-               for (j = 0; j < width; j++)

-                  *row++ = zstencil;

-               dst_map += dst_stride;

-            }

-         }

-         else {

-            uint32_t dst_mask;

-            if (dst->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED)

-               dst_mask = 0xffffff00;

-            else {

-               assert(dst->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM);

-               dst_mask = 0xffffff;

-            }

-            if (clear_flags & PIPE_CLEAR_DEPTH)

-               dst_mask = ~dst_mask;

-            for (i = 0; i < height; i++) {

-               uint32_t *row = (uint32_t *)dst_map;

-               for (j = 0; j < width; j++) {

-                  uint32_t tmp = *row & dst_mask;

-                  *row++ = tmp | (zstencil & ~dst_mask);

-               }

-               dst_map += dst_stride;

-            }

-         }

-        break;

-      case 8:

-      default:

-         assert(0);

-         break;

-      }

-   }

-

-   pipe->transfer_unmap(pipe, dst_trans);

-   pipe->transfer_destroy(pipe, dst_trans);

-}

+/**************************************************************************
+ *
+ * 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 VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Surface utility functions.
+ *  
+ * @author Brian Paul
+ */
+
+
+#include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_state.h"
+
+#include "util/u_format.h"
+#include "util/u_inlines.h"
+#include "util/u_rect.h"
+#include "util/u_surface.h"
+#include "util/u_pack_color.h"
+
+void
+u_surface_default_template(struct pipe_surface *view,
+                           const struct pipe_resource *texture,
+                           unsigned bind)
+{
+   view->format = texture->format;
+   view->u.tex.level = 0;
+   view->u.tex.first_layer = 0;
+   view->u.tex.last_layer = 0;
+   /* XXX should filter out all non-rt/ds bind flags ? */
+   view->usage = bind;
+}
+
+/**
+ * Helper to quickly create an RGBA rendering surface of a certain size.
+ * \param textureOut  returns the new texture
+ * \param surfaceOut  returns the new surface
+ * \return TRUE for success, FALSE if failure
+ */
+boolean
+util_create_rgba_surface(struct pipe_context *pipe,
+                         uint width, uint height,
+                         uint bind,
+                         struct pipe_resource **textureOut,
+                         struct pipe_surface **surfaceOut)
+{
+   static const enum pipe_format rgbaFormats[] = {
+      PIPE_FORMAT_B8G8R8A8_UNORM,
+      PIPE_FORMAT_A8R8G8B8_UNORM,
+      PIPE_FORMAT_A8B8G8R8_UNORM,
+      PIPE_FORMAT_NONE
+   };
+   const uint target = PIPE_TEXTURE_2D;
+   enum pipe_format format = PIPE_FORMAT_NONE;
+   struct pipe_resource templ;
+   struct pipe_surface surf_templ;
+   struct pipe_screen *screen = pipe->screen;
+   uint i;
+
+   /* Choose surface format */
+   for (i = 0; rgbaFormats[i]; i++) {
+      if (screen->is_format_supported(screen, rgbaFormats[i],
+                                      target, 0, bind)) {
+         format = rgbaFormats[i];
+         break;
+      }
+   }
+   if (format == PIPE_FORMAT_NONE)
+      return FALSE;  /* unable to get an rgba format!?! */
+
+   /* create texture */
+   memset(&templ, 0, sizeof(templ));
+   templ.target = target;
+   templ.format = format;
+   templ.last_level = 0;
+   templ.width0 = width;
+   templ.height0 = height;
+   templ.depth0 = 1;
+   templ.array_size = 1;
+   templ.bind = bind;
+
+   *textureOut = screen->resource_create(screen, &templ);
+   if (!*textureOut)
+      return FALSE;
+
+   /* create surface */
+   memset(&surf_templ, 0, sizeof(surf_templ));
+   u_surface_default_template(&surf_templ, *textureOut, bind);
+   /* create surface / view into texture */
+   *surfaceOut = pipe->create_surface(pipe,
+                                      *textureOut,
+                                      &surf_templ);
+   if (!*surfaceOut) {
+      pipe_resource_reference(textureOut, NULL);
+      return FALSE;
+   }
+
+   return TRUE;
+}
+
+
+/**
+ * Release the surface and texture from util_create_rgba_surface().
+ */
+void
+util_destroy_rgba_surface(struct pipe_resource *texture,
+                          struct pipe_surface *surface)
+{
+   pipe_surface_reference(&surface, NULL);
+   pipe_resource_reference(&texture, NULL);
+}
+
+
+
+/**
+ * Fallback function for pipe->resource_copy_region().
+ * Note: (X,Y)=(0,0) is always the upper-left corner.
+ */
+void
+util_resource_copy_region(struct pipe_context *pipe,
+                          struct pipe_resource *dst,
+                          unsigned dst_level,
+                          unsigned dst_x, unsigned dst_y, unsigned dst_z,
+                          struct pipe_resource *src,
+                          unsigned src_level,
+                          const struct pipe_box *src_box)
+{
+   struct pipe_transfer *src_trans, *dst_trans;
+   void *dst_map;
+   const void *src_map;
+   enum pipe_format src_format, dst_format;
+   unsigned w = src_box->width;
+   unsigned h = src_box->height;
+
+   assert(src && dst);
+   assert((src->target == PIPE_BUFFER && dst->target == PIPE_BUFFER) ||
+          (src->target != PIPE_BUFFER && dst->target != PIPE_BUFFER));
+
+   if (!src || !dst)
+      return;
+
+   src_format = src->format;
+   dst_format = dst->format;
+
+   src_trans = pipe_get_transfer(pipe,
+                                 src,
+                                 src_level,
+                                 src_box->z,
+                                 PIPE_TRANSFER_READ,
+                                 src_box->x, src_box->y, w, h);
+
+   dst_trans = pipe_get_transfer(pipe,
+                                 dst,
+                                 dst_level,
+                                 dst_z,
+                                 PIPE_TRANSFER_WRITE,
+                                 dst_x, dst_y, w, h);
+
+   assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format));
+   assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format));
+   assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format));
+
+   src_map = pipe->transfer_map(pipe, src_trans);
+   dst_map = pipe->transfer_map(pipe, dst_trans);
+
+   assert(src_map);
+   assert(dst_map);
+
+   if (src_map && dst_map) {
+      if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
+         memcpy(dst_map, src_map, w);
+      } else {
+         util_copy_rect(dst_map,
+                        dst_format,
+                        dst_trans->stride,
+                        0, 0,
+                        w, h,
+                        src_map,
+                        src_trans->stride,
+                        0,
+                        0);
+      }
+   }
+
+   pipe->transfer_unmap(pipe, src_trans);
+   pipe->transfer_unmap(pipe, dst_trans);
+
+   pipe->transfer_destroy(pipe, src_trans);
+   pipe->transfer_destroy(pipe, dst_trans);
+}
+
+
+
+#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
+
+
+/**
+ * Fallback for pipe->clear_render_target() function.
+ * XXX this looks too hackish to be really useful.
+ * cpp > 4 looks like a gross hack at best...
+ * Plus can't use these transfer fallbacks when clearing
+ * multisampled surfaces for instance.
+ */
+void
+util_clear_render_target(struct pipe_context *pipe,
+                         struct pipe_surface *dst,
+                         const float *rgba,
+                         unsigned dstx, unsigned dsty,
+                         unsigned width, unsigned height)
+{
+   struct pipe_transfer *dst_trans;
+   void *dst_map;
+   union util_color uc;
+
+   assert(dst->texture);
+   if (!dst->texture)
+      return;
+   /* XXX: should handle multiple layers */
+   dst_trans = pipe_get_transfer(pipe,
+                                 dst->texture,
+                                 dst->u.tex.level,
+                                 dst->u.tex.first_layer,
+                                 PIPE_TRANSFER_WRITE,
+                                 dstx, dsty, width, height);
+
+   dst_map = pipe->transfer_map(pipe, dst_trans);
+
+   assert(dst_map);
+
+   if (dst_map) {
+      assert(dst_trans->stride > 0);
+
+      util_pack_color(rgba, dst->texture->format, &uc);
+      util_fill_rect(dst_map, dst->texture->format,
+                     dst_trans->stride,
+                     0, 0, width, height, &uc);
+   }
+
+   pipe->transfer_unmap(pipe, dst_trans);
+   pipe->transfer_destroy(pipe, dst_trans);
+}
+
+/**
+ * Fallback for pipe->clear_stencil() function.
+ * sw fallback doesn't look terribly useful here.
+ * Plus can't use these transfer fallbacks when clearing
+ * multisampled surfaces for instance.
+ */
+void
+util_clear_depth_stencil(struct pipe_context *pipe,
+                         struct pipe_surface *dst,
+                         unsigned clear_flags,
+                         double depth,
+                         unsigned stencil,
+                         unsigned dstx, unsigned dsty,
+                         unsigned width, unsigned height)
+{
+   struct pipe_transfer *dst_trans;
+   ubyte *dst_map;
+   boolean need_rmw = FALSE;
+
+   if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) &&
+       ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
+       util_format_is_depth_and_stencil(dst->format))
+      need_rmw = TRUE;
+
+   assert(dst->texture);
+   if (!dst->texture)
+      return;
+   dst_trans = pipe_get_transfer(pipe,
+                                 dst->texture,
+                                 dst->u.tex.level,
+                                 dst->u.tex.first_layer,
+                                 (need_rmw ? PIPE_TRANSFER_READ_WRITE :
+                                     PIPE_TRANSFER_WRITE),
+                                 dstx, dsty, width, height);
+
+   dst_map = pipe->transfer_map(pipe, dst_trans);
+
+   assert(dst_map);
+
+   if (dst_map) {
+      unsigned dst_stride = dst_trans->stride;
+      unsigned zstencil = util_pack_z_stencil(dst->texture->format, depth, stencil);
+      unsigned i, j;
+      assert(dst_trans->stride > 0);
+
+      switch (util_format_get_blocksize(dst->format)) {
+      case 1:
+         assert(dst->format == PIPE_FORMAT_S8_USCALED);
+         if(dst_stride == width)
+            memset(dst_map, (ubyte) zstencil, height * width);
+         else {
+            for (i = 0; i < height; i++) {
+               memset(dst_map, (ubyte) zstencil, width);
+               dst_map += dst_stride;
+            }
+         }
+         break;
+      case 2:
+         assert(dst->format == PIPE_FORMAT_Z16_UNORM);
+         for (i = 0; i < height; i++) {
+            uint16_t *row = (uint16_t *)dst_map;
+            for (j = 0; j < width; j++)
+               *row++ = (uint16_t) zstencil;
+            dst_map += dst_stride;
+            }
+         break;
+      case 4:
+         if (!need_rmw) {
+            for (i = 0; i < height; i++) {
+               uint32_t *row = (uint32_t *)dst_map;
+               for (j = 0; j < width; j++)
+                  *row++ = zstencil;
+               dst_map += dst_stride;
+            }
+         }
+         else {
+            uint32_t dst_mask;
+            if (dst->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED)
+               dst_mask = 0xffffff00;
+            else {
+               assert(dst->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM);
+               dst_mask = 0xffffff;
+            }
+            if (clear_flags & PIPE_CLEAR_DEPTH)
+               dst_mask = ~dst_mask;
+            for (i = 0; i < height; i++) {
+               uint32_t *row = (uint32_t *)dst_map;
+               for (j = 0; j < width; j++) {
+                  uint32_t tmp = *row & dst_mask;
+                  *row++ = tmp | (zstencil & ~dst_mask);
+               }
+               dst_map += dst_stride;
+            }
+         }
+         break;
+      case 8:
+      {
+         uint64_t zstencil = util_pack64_z_stencil(dst->texture->format,
+                                                   depth, stencil);
+
+         assert(dst->format == PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED);
+
+         if (!need_rmw) {
+            for (i = 0; i < height; i++) {
+               uint64_t *row = (uint64_t *)dst_map;
+               for (j = 0; j < width; j++)
+                  *row++ = zstencil;
+               dst_map += dst_stride;
+            }
+         }
+         else {
+            uint64_t src_mask;
+
+            if (clear_flags & PIPE_CLEAR_DEPTH)
+               src_mask = 0x00000000ffffffffull;
+            else
+               src_mask = 0x000000ff00000000ull;
+
+            for (i = 0; i < height; i++) {
+               uint64_t *row = (uint64_t *)dst_map;
+               for (j = 0; j < width; j++) {
+                  uint64_t tmp = *row & ~src_mask;
+                  *row++ = tmp | (zstencil & src_mask);
+               }
+               dst_map += dst_stride;
+            }
+         }
+         break;
+      }
+      default:
+         assert(0);
+         break;
+      }
+   }
+
+   pipe->transfer_unmap(pipe, dst_trans);
+   pipe->transfer_destroy(pipe, dst_trans);
+}