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authorBrian Paul <[email protected]>2008-05-14 13:01:13 -0600
committerBrian Paul <[email protected]>2008-05-14 13:01:13 -0600
commite0f160663e50d0481afd8a9e1ec90c334be489e1 (patch)
tree6f1365c9d7c97e31bc18ee92d6083e607524708e /src/mesa
parentbff695b926249ead1944eef2aa05b2e0eaf9ba7f (diff)
clean-up swizzle fields in fog code, fix NegateBase
cherry-picked from gallium-0.1
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/shader/programopt.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c
index e6f065a33b8..7d560c74a54 100644
--- a/src/mesa/shader/programopt.c
+++ b/src/mesa/shader/programopt.c
@@ -193,13 +193,13 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
inst->DstReg.WriteMask = WRITEMASK_X;
inst->SrcReg[0].File = PROGRAM_INPUT;
inst->SrcReg[0].Index = FRAG_ATTRIB_FOGC;
- inst->SrcReg[0].Swizzle = SWIZZLE_X;
+ inst->SrcReg[0].Swizzle = SWIZZLE_XXXX;
inst->SrcReg[1].File = PROGRAM_STATE_VAR;
inst->SrcReg[1].Index = fogPRefOpt;
- inst->SrcReg[1].Swizzle = SWIZZLE_X;
+ inst->SrcReg[1].Swizzle = SWIZZLE_XXXX;
inst->SrcReg[2].File = PROGRAM_STATE_VAR;
inst->SrcReg[2].Index = fogPRefOpt;
- inst->SrcReg[2].Swizzle = SWIZZLE_Y;
+ inst->SrcReg[2].Swizzle = SWIZZLE_YYYY;
inst->SaturateMode = SATURATE_ZERO_ONE;
inst++;
}
@@ -215,10 +215,10 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
inst->SrcReg[0].File = PROGRAM_STATE_VAR;
inst->SrcReg[0].Index = fogPRefOpt;
inst->SrcReg[0].Swizzle
- = (fprog->FogOption == GL_EXP) ? SWIZZLE_Z : SWIZZLE_W;
+ = (fprog->FogOption == GL_EXP) ? SWIZZLE_ZZZZ : SWIZZLE_WWWW;
inst->SrcReg[1].File = PROGRAM_INPUT;
inst->SrcReg[1].Index = FRAG_ATTRIB_FOGC;
- inst->SrcReg[1].Swizzle = SWIZZLE_X;
+ inst->SrcReg[1].Swizzle = SWIZZLE_XXXX;
inst++;
if (fprog->FogOption == GL_EXP2) {
/* MUL fogFactorTemp.x, fogFactorTemp.x, fogFactorTemp.x; */
@@ -228,10 +228,10 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
inst->DstReg.WriteMask = WRITEMASK_X;
inst->SrcReg[0].File = PROGRAM_TEMPORARY;
inst->SrcReg[0].Index = fogFactorTemp;
- inst->SrcReg[0].Swizzle = SWIZZLE_X;
+ inst->SrcReg[0].Swizzle = SWIZZLE_XXXX;
inst->SrcReg[1].File = PROGRAM_TEMPORARY;
inst->SrcReg[1].Index = fogFactorTemp;
- inst->SrcReg[1].Swizzle = SWIZZLE_X;
+ inst->SrcReg[1].Swizzle = SWIZZLE_XXXX;
inst++;
}
/* EX2_SAT fogFactorTemp.x, -fogFactorTemp.x; */
@@ -241,8 +241,8 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
inst->DstReg.WriteMask = WRITEMASK_X;
inst->SrcReg[0].File = PROGRAM_TEMPORARY;
inst->SrcReg[0].Index = fogFactorTemp;
- inst->SrcReg[0].NegateBase = GL_TRUE;
- inst->SrcReg[0].Swizzle = SWIZZLE_X;
+ inst->SrcReg[0].NegateBase = NEGATE_XYZW;
+ inst->SrcReg[0].Swizzle = SWIZZLE_XXXX;
inst->SaturateMode = SATURATE_ZERO_ONE;
inst++;
}
@@ -253,8 +253,7 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
inst->DstReg.WriteMask = WRITEMASK_XYZ;
inst->SrcReg[0].File = PROGRAM_TEMPORARY;
inst->SrcReg[0].Index = fogFactorTemp;
- inst->SrcReg[0].Swizzle
- = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X);
+ inst->SrcReg[0].Swizzle = SWIZZLE_XXXX;
inst->SrcReg[1].File = PROGRAM_TEMPORARY;
inst->SrcReg[1].Index = colorTemp;
inst->SrcReg[1].Swizzle = SWIZZLE_NOOP;