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Side by Side Diff: src/effects/gradients/SkGradientShader.cpp

Issue 648463003: FPs now use the correct builder types(just a rename) (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2006 The Android Open Source Project 2 * Copyright 2006 The Android Open Source Project
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "SkGradientShaderPriv.h" 8 #include "SkGradientShaderPriv.h"
9 #include "SkLinearGradient.h" 9 #include "SkLinearGradient.h"
10 #include "SkRadialGradient.h" 10 #include "SkRadialGradient.h"
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949 #include "gl/builders/GrGLProgramBuilder.h" 949 #include "gl/builders/GrGLProgramBuilder.h"
950 #include "SkGr.h" 950 #include "SkGr.h"
951 951
952 GrGLGradientEffect::GrGLGradientEffect(const GrBackendProcessorFactory& factory) 952 GrGLGradientEffect::GrGLGradientEffect(const GrBackendProcessorFactory& factory)
953 : INHERITED(factory) 953 : INHERITED(factory)
954 , fCachedYCoord(SK_ScalarMax) { 954 , fCachedYCoord(SK_ScalarMax) {
955 } 955 }
956 956
957 GrGLGradientEffect::~GrGLGradientEffect() { } 957 GrGLGradientEffect::~GrGLGradientEffect() { }
958 958
959 void GrGLGradientEffect::emitUniforms(GrGLProgramBuilder* builder, uint32_t base Key) { 959 void GrGLGradientEffect::emitUniforms(GrGLFPBuilder* builder, uint32_t baseKey) {
960 960
961 if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(baseKey)) { // 2 Color case 961 if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(baseKey)) { // 2 Color case
962 fColorStartUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib ility, 962 fColorStartUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib ility,
963 kVec4f_GrSLType, "GradientStartColo r"); 963 kVec4f_GrSLType, "GradientStartColo r");
964 fColorEndUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibil ity, 964 fColorEndUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibil ity,
965 kVec4f_GrSLType, "GradientEndColor"); 965 kVec4f_GrSLType, "GradientEndColor");
966 966
967 } else if (SkGradientShaderBase::kThree_GpuColorType == ColorTypeFromKey(bas eKey)){ // 3 Color Case 967 } else if (SkGradientShaderBase::kThree_GpuColorType == ColorTypeFromKey(bas eKey)){ // 3 Color Case
968 fColorStartUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib ility, 968 fColorStartUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib ility,
969 kVec4f_GrSLType, "GradientStartColo r"); 969 kVec4f_GrSLType, "GradientStartColo r");
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1049 key |= kThreeColorKey; 1049 key |= kThreeColorKey;
1050 } 1050 }
1051 1051
1052 if (GrGradientEffect::kBeforeInterp_PremulType == e.getPremulType()) { 1052 if (GrGradientEffect::kBeforeInterp_PremulType == e.getPremulType()) {
1053 key |= kPremulBeforeInterpKey; 1053 key |= kPremulBeforeInterpKey;
1054 } 1054 }
1055 1055
1056 return key; 1056 return key;
1057 } 1057 }
1058 1058
1059 void GrGLGradientEffect::emitColor(GrGLProgramBuilder* builder, 1059 void GrGLGradientEffect::emitColor(GrGLFPBuilder* builder,
1060 const char* gradientTValue, 1060 const char* gradientTValue,
1061 uint32_t baseKey, 1061 uint32_t baseKey,
1062 const char* outputColor, 1062 const char* outputColor,
1063 const char* inputColor, 1063 const char* inputColor,
1064 const TextureSamplerArray& samplers) { 1064 const TextureSamplerArray& samplers) {
1065 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); 1065 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder();
1066 if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(baseKey)){ 1066 if (SkGradientShaderBase::kTwo_GpuColorType == ColorTypeFromKey(baseKey)){
1067 fsBuilder->codeAppendf("\tvec4 colorTemp = mix(%s, %s, clamp(%s, 0.0, 1. 0));\n", 1067 fsBuilder->codeAppendf("\tvec4 colorTemp = mix(%s, %s, clamp(%s, 0.0, 1. 0));\n",
1068 builder->getUniformVariable(fColorStartUni).c_str (), 1068 builder->getUniformVariable(fColorStartUni).c_str (),
1069 builder->getUniformVariable(fColorEndUni).c_str() , 1069 builder->getUniformVariable(fColorEndUni).c_str() ,
1070 gradientTValue); 1070 gradientTValue);
1071 // Note that we could skip this step if both colors are known to be opaq ue. Two 1071 // Note that we could skip this step if both colors are known to be opaq ue. Two
1072 // considerations: 1072 // considerations:
1073 // The gradient SkShader reporting opaque is more restrictive than neces sary in the two pt 1073 // The gradient SkShader reporting opaque is more restrictive than neces sary in the two pt
1074 // case. Make sure the key reflects this optimization (and note that it can use the same 1074 // case. Make sure the key reflects this optimization (and note that it can use the same
1075 // shader as thekBeforeIterp case). This same optimization applies to th e 3 color case below. 1075 // shader as thekBeforeIterp case). This same optimization applies to th e 3 color case below.
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1239 (*stops)[i] = stop; 1239 (*stops)[i] = stop;
1240 stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - st op) : 1.f; 1240 stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - st op) : 1.f;
1241 } 1241 }
1242 } 1242 }
1243 *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileM odeCount)); 1243 *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileM odeCount));
1244 1244
1245 return outColors; 1245 return outColors;
1246 } 1246 }
1247 1247
1248 #endif 1248 #endif
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