Mesa (mesa_7_5_branch): util: Support Z24S8/Z24X8 -> unsigned conversion.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Tue Jun 2 18:50:50 UTC 2009
Module: Mesa
Branch: mesa_7_5_branch
Commit: 840af5fd62edc01769cc3818702ea399a0c68c40
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=840af5fd62edc01769cc3818702ea399a0c68c40
Author: José Fonseca <jfonseca at vmware.com>
Date: Tue Jun 2 11:46:53 2009 -0700
util: Support Z24S8/Z24X8 -> unsigned conversion.
---
src/gallium/auxiliary/util/u_tile.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_tile.c b/src/gallium/auxiliary/util/u_tile.c
index 9becd9f..a2fcdad 100644
--- a/src/gallium/auxiliary/util/u_tile.c
+++ b/src/gallium/auxiliary/util/u_tile.c
@@ -1133,6 +1133,21 @@ pipe_get_tile_z(struct pipe_transfer *pt,
}
}
break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ case PIPE_FORMAT_Z24X8_UNORM:
+ {
+ const uint *ptrc
+ = (const uint *)(map + y * pt->stride + x*4);
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ /* convert 24-bit Z to 32-bit Z */
+ pDest[j] = (ptrc[j] & 0xffffff00) | (ptrc[j] & 0xff);
+ }
+ pDest += dstStride;
+ ptrc += pt->stride/4;
+ }
+ }
+ break;
case PIPE_FORMAT_Z16_UNORM:
{
const ushort *ptrc
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