Allow GrGLEffects to produce variable length keys.
R=robertphillips@google.com, jvanverth@google.com
Author: bsalomon@google.com
Review URL: https://codereview.chromium.org/385713005
diff --git a/src/effects/gradients/SkGradientShader.cpp b/src/effects/gradients/SkGradientShader.cpp
index fb8a7e5..5014c35 100644
--- a/src/effects/gradients/SkGradientShader.cpp
+++ b/src/effects/gradients/SkGradientShader.cpp
@@ -862,15 +862,15 @@
GrGLGradientEffect::~GrGLGradientEffect() { }
-void GrGLGradientEffect::emitUniforms(GrGLShaderBuilder* builder, EffectKey key) {
+void GrGLGradientEffect::emitUniforms(GrGLShaderBuilder* builder, uint32_t baseKey) {
- if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(key)) { // 2 Color case
+ if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(baseKey)) { // 2 Color case
fColorStartUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
kVec4f_GrSLType, "GradientStartColor");
fColorEndUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
kVec4f_GrSLType, "GradientEndColor");
- } else if (SkGradientShaderBase::kThree_GpuColorType == ColorTypeFromKey(key)){ // 3 Color Case
+ } else if (SkGradientShaderBase::kThree_GpuColorType == ColorTypeFromKey(baseKey)){ // 3 Color Case
fColorStartUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
kVec4f_GrSLType, "GradientStartColor");
fColorMidUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
@@ -944,10 +944,10 @@
}
-GrGLEffect::EffectKey GrGLGradientEffect::GenBaseGradientKey(const GrDrawEffect& drawEffect) {
+uint32_t GrGLGradientEffect::GenBaseGradientKey(const GrDrawEffect& drawEffect) {
const GrGradientEffect& e = drawEffect.castEffect<GrGradientEffect>();
- EffectKey key = 0;
+ uint32_t key = 0;
if (SkGradientShaderBase::kTwo_GpuColorType == e.getColorType()) {
key |= kTwoColorKey;
@@ -964,11 +964,11 @@
void GrGLGradientEffect::emitColor(GrGLShaderBuilder* builder,
const char* gradientTValue,
- EffectKey key,
+ uint32_t baseKey,
const char* outputColor,
const char* inputColor,
const TextureSamplerArray& samplers) {
- if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(key)){
+ if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(baseKey)){
builder->fsCodeAppendf("\tvec4 colorTemp = mix(%s, %s, clamp(%s, 0.0, 1.0));\n",
builder->getUniformVariable(fColorStartUni).c_str(),
builder->getUniformVariable(fColorEndUni).c_str(),
@@ -978,13 +978,13 @@
// The gradient SkShader reporting opaque is more restrictive than necessary in the two pt
// case. Make sure the key reflects this optimization (and note that it can use the same
// shader as thekBeforeIterp case). This same optimization applies to the 3 color case below.
- if (GrGradientEffect::kAfterInterp_PremulType == PremulTypeFromKey(key)) {
+ if (GrGradientEffect::kAfterInterp_PremulType == PremulTypeFromKey(baseKey)) {
builder->fsCodeAppend("\tcolorTemp.rgb *= colorTemp.a;\n");
}
builder->fsCodeAppendf("\t%s = %s;\n", outputColor,
(GrGLSLExpr4(inputColor) * GrGLSLExpr4("colorTemp")).c_str());
- } else if (SkGradientShaderBase::kThree_GpuColorType == ColorTypeFromKey(key)){
+ } else if (SkGradientShaderBase::kThree_GpuColorType == ColorTypeFromKey(baseKey)){
builder->fsCodeAppendf("\tfloat oneMinus2t = 1.0 - (2.0 * (%s));\n",
gradientTValue);
builder->fsCodeAppendf("\tvec4 colorTemp = clamp(oneMinus2t, 0.0, 1.0) * %s;\n",
@@ -1002,7 +1002,7 @@
}
builder->fsCodeAppendf("\tcolorTemp += clamp(-oneMinus2t, 0.0, 1.0) * %s;\n",
builder->getUniformVariable(fColorEndUni).c_str());
- if (GrGradientEffect::kAfterInterp_PremulType == PremulTypeFromKey(key)) {
+ if (GrGradientEffect::kAfterInterp_PremulType == PremulTypeFromKey(baseKey)) {
builder->fsCodeAppend("\tcolorTemp.rgb *= colorTemp.a;\n");
}