Mesa (master): util: Support Z24S8/Z24X8.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: a7900748106a9ad339a4552ca944f2fa30486cfc
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a7900748106a9ad339a4552ca944f2fa30486cfc

Author: José Fonseca <jfons...@vmware.com>
Date:   Fri Mar 27 20:23:16 2009 +0000

util: Support Z24S8/Z24X8.

---

 src/gallium/auxiliary/util/u_tile.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_tile.c 
b/src/gallium/auxiliary/util/u_tile.c
index d31ca9c..f0a5a33 100644
--- a/src/gallium/auxiliary/util/u_tile.c
+++ b/src/gallium/auxiliary/util/u_tile.c
@@ -957,6 +957,7 @@ pipe_tile_raw_to_rgba(enum pipe_format format,
       s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
       break;
    case PIPE_FORMAT_Z24S8_UNORM:
+   case PIPE_FORMAT_Z24X8_UNORM:
       z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
       break;
    case PIPE_FORMAT_Z32_FLOAT:
@@ -1069,6 +1070,7 @@ pipe_put_tile_rgba(struct pipe_transfer *pt,
       /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
       break;
    case PIPE_FORMAT_Z24S8_UNORM:
+   case PIPE_FORMAT_Z24X8_UNORM:
       /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
       break;
    default:
@@ -1198,6 +1200,20 @@ pipe_put_tile_z(struct pipe_transfer *pt,
          }
       }
       break;
+   case PIPE_FORMAT_Z24S8_UNORM:
+   case PIPE_FORMAT_Z24X8_UNORM:
+      {
+         uint *pDest = (uint *) (map + y * pt->stride + x*4);
+         for (i = 0; i < h; i++) {
+            for (j = 0; j < w; j++) {
+               /* convert 32-bit Z to 24-bit Z (0 stencil) */
+               pDest[j] = ptrc[j] << 8;
+            }
+            pDest += pt->stride/4;
+            ptrc += srcStride;
+         }
+      }
+      break;
    case PIPE_FORMAT_Z16_UNORM:
       {
          ushort *pDest = (ushort *) (map + y * pt->stride + x*2);

_______________________________________________
mesa-commit mailing list
mesa-commit@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-commit