Roderick Colenbrander : wined3d: Optimize P8 fragment shader.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b4678b7b10515ae3556a8642a36ee2baf45cd989
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=b4678b7b10515ae3556a8642a3...

Author: Roderick Colenbrander <thunderbird2k(a)gmx.net>
Date:   Fri Oct 12 13:34:43 2007 +0200

wined3d: Optimize P8 fragment shader.

---

 dlls/wined3d/surface.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index fc1b10d..ade950e 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -1980,8 +1980,7 @@ const char *fragment_palette_conversion =
     "TEMP index;\n"
     "PARAM constants = { 0.996, 0.00195, 0, 0 };\n" /* { 255/256, 0.5/255*255/256, 0, 0 } */
     "TEX index.x, fragment.texcoord[0], texture[0], 2D;\n" /* store the red-component of the current pixel */
-    "MUL index.x, index.x, constants.x;\n" /* Scale the index by 255/256 */
-    "ADD index.x, index.x, constants.y;\n" /* Add a bias of '0.5' in order to sample in the middle */
+    "MAD index.x, index.x, constants.x, constants.y;\n" /* Scale the index by 255/256 and add a bias of '0.5' in order to sample in the middle */
     "TEX result.color, index, texture[1], 1D;\n" /* use the red-component as a index in the palette to get the final color */
     "END";