Mesa (master): mesa: implement depth unpacking for GL_FLOAT_32_UNSIGNED_INT_24_8_REV
Marek Olšák
mareko at kemper.freedesktop.org
Sun Jul 10 19:44:50 UTC 2011
Module: Mesa
Branch: master
Commit: bfb63b7d62ccd9618a110f9f5297f87574384058
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=bfb63b7d62ccd9618a110f9f5297f87574384058
Author: Marek Olšák <maraeo at gmail.com>
Date: Tue Jun 21 05:09:24 2011 +0200
mesa: implement depth unpacking for GL_FLOAT_32_UNSIGNED_INT_24_8_REV
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/main/pack.c | 27 +++++++++++++++++++++++++--
1 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index c284c7d..d42ae7b 100644
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -4827,6 +4827,20 @@ _mesa_unpack_depth_span( struct gl_context *ctx, GLuint n,
}
}
break;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ {
+ GLuint i;
+ const GLfloat *src = (const GLfloat *)source;
+ for (i = 0; i < n; i++) {
+ GLfloat value = src[i * 2];
+ if (srcPacking->SwapBytes) {
+ SWAP4BYTE(value);
+ }
+ depthValues[i] = value;
+ }
+ needClamp = GL_TRUE;
+ }
+ break;
case GL_FLOAT:
DEPTH_VALUES(GLfloat, 1*);
needClamp = GL_TRUE;
@@ -4903,9 +4917,18 @@ _mesa_unpack_depth_span( struct gl_context *ctx, GLuint n,
zValues[i] = (GLushort) (depthValues[i] * (GLfloat) depthMax);
}
}
+ else if (dstType == GL_FLOAT) {
+ /* Nothing to do. depthValues is pointing to dest. */
+ }
+ else if (dstType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV) {
+ GLfloat *zValues = (GLfloat*) dest;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ zValues[i*2] = depthValues[i];
+ }
+ }
else {
- ASSERT(dstType == GL_FLOAT);
- /*ASSERT(depthMax == 1.0F);*/
+ ASSERT(0);
}
free(depthTemp);
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