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authorGravatar bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>2012-08-30 19:11:34 +0000
committerGravatar bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>2012-08-30 19:11:34 +0000
commit868a8e7fc83e9ac6ee1418e75b84a0595605626c (patch)
tree6099dee09e40beed726e2f6d300485935b73cbb2 /src/gpu/effects/GrConfigConversionEffect.cpp
parent7426743837051f43dbc1209775b391b917c69c54 (diff)
Recommit r5350 with fix for image failures (which affected GLs that don't support ARB_texture_swizzle).
git-svn-id: http://skia.googlecode.com/svn/trunk@5353 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'src/gpu/effects/GrConfigConversionEffect.cpp')
-rw-r--r--src/gpu/effects/GrConfigConversionEffect.cpp24
1 files changed, 13 insertions, 11 deletions
diff --git a/src/gpu/effects/GrConfigConversionEffect.cpp b/src/gpu/effects/GrConfigConversionEffect.cpp
index fbf5a4090a..318c03e653 100644
--- a/src/gpu/effects/GrConfigConversionEffect.cpp
+++ b/src/gpu/effects/GrConfigConversionEffect.cpp
@@ -23,37 +23,39 @@ public:
const char* outputColor,
const char* inputColor,
const char* samplerName) SK_OVERRIDE {
- builder->fFSCode.append("\tvec4 tempColor;\n");
- builder->emitTextureLookupAndModulate("tempColor", samplerName);
+ builder->fFSCode.appendf("\t\t%s = ", outputColor);
+ builder->appendTextureLookup(&builder->fFSCode, samplerName);
+ builder->fFSCode.appendf("%s;\n", builder->fSwizzle.c_str());
if (GrConfigConversionEffect::kNone_PMConversion == fPMConversion) {
GrAssert(fSwapRedAndBlue);
- builder->fFSCode.appendf("\t%s = tempColor.bgra;\n", outputColor);
+ builder->fFSCode.appendf("\t%s = %s.bgra;\n", outputColor, outputColor);
} else {
const char* swiz = fSwapRedAndBlue ? "bgr" : "rgb";
switch (fPMConversion) {
case GrConfigConversionEffect::kMulByAlpha_RoundUp_PMConversion:
builder->fFSCode.appendf(
- "\t%s = vec4(ceil(tempColor.%s*tempColor.a*255.0)/255.0, tempColor.a);\n",
- outputColor, swiz);
+ "\t\t%s = vec4(ceil(%s.%s * %s.a * 255.0) / 255.0, %s.a);\n",
+ outputColor, outputColor, swiz, outputColor, outputColor);
break;
case GrConfigConversionEffect::kMulByAlpha_RoundDown_PMConversion:
builder->fFSCode.appendf(
- "\t%s = vec4(floor(tempColor.%s*tempColor.a*255.0)/255.0, tempColor.a);\n",
- outputColor, swiz);
+ "\t\t%s = vec4(floor(%s.%s * %s.a * 255.0) / 255.0, %s.a);\n",
+ outputColor, outputColor, swiz, outputColor, outputColor);
break;
case GrConfigConversionEffect::kDivByAlpha_RoundUp_PMConversion:
- builder->fFSCode.appendf("\t%s = tempColor.a <= 0.0 ? vec4(0,0,0,0) : vec4(ceil(tempColor.%s / tempColor.a * 255.0)/255.0, tempColor.a);\n",
- outputColor, swiz);
+ builder->fFSCode.appendf("\t\t%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(ceil(%s.%s / %s.a * 255.0) / 255.0, %s.a);\n",
+ outputColor, outputColor, outputColor, swiz, outputColor, outputColor);
break;
case GrConfigConversionEffect::kDivByAlpha_RoundDown_PMConversion:
- builder->fFSCode.appendf("\t%s = tempColor.a <= 0.0 ? vec4(0,0,0,0) : vec4(floor(tempColor.%s / tempColor.a * 255.0)/255.0, tempColor.a);\n",
- outputColor, swiz);
+ builder->fFSCode.appendf("\t\t%s = %s.a <= 0.0 ? vec4(0,0,0,0) : vec4(floor(%s.%s / %s.a * 255.0) / 255.0, %s.a);\n",
+ outputColor, outputColor, outputColor, swiz, outputColor, outputColor);
break;
default:
GrCrash("Unknown conversion op.");
break;
}
}
+ GrGLSLMulVarBy4f(&builder->fFSCode, 2, outputColor, inputColor);
}
static inline StageKey GenKey(const GrCustomStage& s, const GrGLCaps&) {