| 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 "Sk4fLinearGradient.h" | 8 #include "Sk4fLinearGradient.h" |
| 9 #include "SkGradientShaderPriv.h" | 9 #include "SkGradientShaderPriv.h" |
| 10 #include "SkLinearGradient.h" | 10 #include "SkLinearGradient.h" |
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| 1024 return key; | 1024 return key; |
| 1025 } | 1025 } |
| 1026 | 1026 |
| 1027 void GrGLGradientEffect::emitColor(GrGLSLFPFragmentBuilder* fragBuilder, | 1027 void GrGLGradientEffect::emitColor(GrGLSLFPFragmentBuilder* fragBuilder, |
| 1028 GrGLSLUniformHandler* uniformHandler, | 1028 GrGLSLUniformHandler* uniformHandler, |
| 1029 const GrGLSLCaps* glslCaps, | 1029 const GrGLSLCaps* glslCaps, |
| 1030 const GrGradientEffect& ge, | 1030 const GrGradientEffect& ge, |
| 1031 const char* gradientTValue, | 1031 const char* gradientTValue, |
| 1032 const char* outputColor, | 1032 const char* outputColor, |
| 1033 const char* inputColor, | 1033 const char* inputColor, |
| 1034 const TextureSamplerArray& samplers) { | 1034 const SamplerArray& texSamplers) { |
| 1035 if (SkGradientShaderBase::kTwo_GpuColorType == ge.getColorType()){ | 1035 if (SkGradientShaderBase::kTwo_GpuColorType == ge.getColorType()){ |
| 1036 fragBuilder->codeAppendf("\tvec4 colorTemp = mix(%s, %s, clamp(%s, 0.0,
1.0));\n", | 1036 fragBuilder->codeAppendf("\tvec4 colorTemp = mix(%s, %s, clamp(%s, 0.0,
1.0));\n", |
| 1037 uniformHandler->getUniformVariable(fColorStartU
ni).c_str(), | 1037 uniformHandler->getUniformVariable(fColorStartU
ni).c_str(), |
| 1038 uniformHandler->getUniformVariable(fColorEndUni
).c_str(), | 1038 uniformHandler->getUniformVariable(fColorEndUni
).c_str(), |
| 1039 gradientTValue); | 1039 gradientTValue); |
| 1040 // Note that we could skip this step if both colors are known to be opaq
ue. Two | 1040 // Note that we could skip this step if both colors are known to be opaq
ue. Two |
| 1041 // considerations: | 1041 // considerations: |
| 1042 // The gradient SkShader reporting opaque is more restrictive than neces
sary in the two pt | 1042 // The gradient SkShader reporting opaque is more restrictive than neces
sary in the two pt |
| 1043 // case. Make sure the key reflects this optimization (and note that it
can use the same | 1043 // case. Make sure the key reflects this optimization (and note that it
can use the same |
| 1044 // shader as thekBeforeIterp case). This same optimization applies to th
e 3 color case | 1044 // shader as thekBeforeIterp case). This same optimization applies to th
e 3 color case |
| (...skipping 27 matching lines...) Expand all Loading... |
| 1072 } | 1072 } |
| 1073 | 1073 |
| 1074 fragBuilder->codeAppendf("\t%s = %s;\n", outputColor, | 1074 fragBuilder->codeAppendf("\t%s = %s;\n", outputColor, |
| 1075 (GrGLSLExpr4(inputColor) * GrGLSLExpr4("colorTe
mp")).c_str()); | 1075 (GrGLSLExpr4(inputColor) * GrGLSLExpr4("colorTe
mp")).c_str()); |
| 1076 } else { | 1076 } else { |
| 1077 fragBuilder->codeAppendf("\tvec2 coord = vec2(%s, %s);\n", | 1077 fragBuilder->codeAppendf("\tvec2 coord = vec2(%s, %s);\n", |
| 1078 gradientTValue, | 1078 gradientTValue, |
| 1079 uniformHandler->getUniformVariable(fFSYUni).c_s
tr()); | 1079 uniformHandler->getUniformVariable(fFSYUni).c_s
tr()); |
| 1080 fragBuilder->codeAppendf("\t%s = ", outputColor); | 1080 fragBuilder->codeAppendf("\t%s = ", outputColor); |
| 1081 fragBuilder->appendTextureLookupAndModulate(inputColor, | 1081 fragBuilder->appendTextureLookupAndModulate(inputColor, |
| 1082 samplers[0], | 1082 texSamplers[0], |
| 1083 "coord"); | 1083 "coord"); |
| 1084 fragBuilder->codeAppend(";\n"); | 1084 fragBuilder->codeAppend(";\n"); |
| 1085 } | 1085 } |
| 1086 } | 1086 } |
| 1087 | 1087 |
| 1088 ///////////////////////////////////////////////////////////////////// | 1088 ///////////////////////////////////////////////////////////////////// |
| 1089 | 1089 |
| 1090 GrGradientEffect::GrGradientEffect(GrContext* ctx, | 1090 GrGradientEffect::GrGradientEffect(GrContext* ctx, |
| 1091 const SkGradientShaderBase& shader, | 1091 const SkGradientShaderBase& shader, |
| 1092 const SkMatrix& matrix, | 1092 const SkMatrix& matrix, |
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| 1207 (*stops)[i] = stop; | 1207 (*stops)[i] = stop; |
| 1208 stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - st
op) : 1.f; | 1208 stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - st
op) : 1.f; |
| 1209 } | 1209 } |
| 1210 } | 1210 } |
| 1211 *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileM
odeCount)); | 1211 *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileM
odeCount)); |
| 1212 | 1212 |
| 1213 return outColors; | 1213 return outColors; |
| 1214 } | 1214 } |
| 1215 | 1215 |
| 1216 #endif | 1216 #endif |
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