clean-up swizzle fields in fog code, fix NegateBase

diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c
index fc5b0497fe369d51eca446e926300e6316e9e637..9eeb71db1b6e7051db3de4531a4906007bb13cc4 100644 (file)
--- a/src/mesa/shader/programopt.c
+++ b/src/mesa/shader/programopt.c
@@ -192,13 +192,13 @@ _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++;
    }
@@ -214,10 +214,10 @@ _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; */
@@ -227,10 +227,10 @@ _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; */
@@ -240,8 +240,8 @@ _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++;
    }
@@ -252,8 +252,7 @@ _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;