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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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893 GrGLGradientEffect::GrGLGradientEffect() | 893 GrGLGradientEffect::GrGLGradientEffect() |
894 : fCachedYCoord(SK_ScalarMax) { | 894 : fCachedYCoord(SK_ScalarMax) { |
895 } | 895 } |
896 | 896 |
897 GrGLGradientEffect::~GrGLGradientEffect() { } | 897 GrGLGradientEffect::~GrGLGradientEffect() { } |
898 | 898 |
899 void GrGLGradientEffect::emitUniforms(GrGLFPBuilder* builder, const GrGradientEf
fect& ge) { | 899 void GrGLGradientEffect::emitUniforms(GrGLFPBuilder* builder, const GrGradientEf
fect& ge) { |
900 | 900 |
901 if (SkGradientShaderBase::kTwo_GpuColorType == ge.getColorType()) { // 2 Col
or case | 901 if (SkGradientShaderBase::kTwo_GpuColorType == ge.getColorType()) { // 2 Col
or case |
902 fColorStartUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib
ility, | 902 fColorStartUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib
ility, |
903 kVec4f_GrSLType, "GradientStartColo
r"); | 903 kVec4f_GrSLType, kDefault_GrSLPreci
sion, |
| 904 "GradientStartColor"); |
904 fColorEndUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibil
ity, | 905 fColorEndUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibil
ity, |
905 kVec4f_GrSLType, "GradientEndColor"); | 906 kVec4f_GrSLType, kDefault_GrSLPrecisi
on, |
| 907 "GradientEndColor"); |
906 | 908 |
907 } else if (SkGradientShaderBase::kThree_GpuColorType == ge.getColorType()) {
// 3 Color Case | 909 } else if (SkGradientShaderBase::kThree_GpuColorType == ge.getColorType()) {
// 3 Color Case |
908 fColorStartUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib
ility, | 910 fColorStartUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visib
ility, |
909 kVec4f_GrSLType, "GradientStartColo
r"); | 911 kVec4f_GrSLType, kDefault_GrSLPrec
ision, |
| 912 "GradientStartColor"); |
910 fColorMidUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibil
ity, | 913 fColorMidUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibil
ity, |
911 kVec4f_GrSLType, "GradientMidColor"); | 914 kVec4f_GrSLType, kDefault_GrSLPrecisi
on, |
| 915 "GradientMidColor"); |
912 fColorEndUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibil
ity, | 916 fColorEndUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibil
ity, |
913 kVec4f_GrSLType, "GradientEndColor"
); | 917 kVec4f_GrSLType, kDefault_GrSLPrecisi
on, |
| 918 "GradientEndColor"); |
914 | 919 |
915 } else { // if not a fast case | 920 } else { // if not a fast case |
916 fFSYUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, | 921 fFSYUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility, |
917 kFloat_GrSLType, "GradientYCoordFS"); | 922 kFloat_GrSLType, kDefault_GrSLPrecision, |
| 923 "GradientYCoordFS"); |
918 } | 924 } |
919 } | 925 } |
920 | 926 |
921 static inline void set_color_uni(const GrGLProgramDataManager& pdman, | 927 static inline void set_color_uni(const GrGLProgramDataManager& pdman, |
922 const GrGLProgramDataManager::UniformHandle uni
, | 928 const GrGLProgramDataManager::UniformHandle uni
, |
923 const SkColor* color) { | 929 const SkColor* color) { |
924 pdman.set4f(uni, | 930 pdman.set4f(uni, |
925 SkColorGetR(*color) / 255.f, | 931 SkColorGetR(*color) / 255.f, |
926 SkColorGetG(*color) / 255.f, | 932 SkColorGetG(*color) / 255.f, |
927 SkColorGetB(*color) / 255.f, | 933 SkColorGetB(*color) / 255.f, |
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1174 (*stops)[i] = stop; | 1180 (*stops)[i] = stop; |
1175 stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - st
op) : 1.f; | 1181 stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - st
op) : 1.f; |
1176 } | 1182 } |
1177 } | 1183 } |
1178 *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileM
odeCount)); | 1184 *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileM
odeCount)); |
1179 | 1185 |
1180 return outColors; | 1186 return outColors; |
1181 } | 1187 } |
1182 | 1188 |
1183 #endif | 1189 #endif |
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