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

Issue 1862373003: Rename EmitArgs::fSamplers to fTexSamplers (Closed) Base URL: https://skia.googlesource.com/skia.git@upload3_infer
Patch Set: rebase Created 4 years, 8 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 "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
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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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