| OLD | NEW |
| 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" |
| (...skipping 938 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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"); |
| (...skipping 79 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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. |
| (...skipping 163 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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