| /* |
| * Copyright 2019 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /************************************************************************************************** |
| *** This file was autogenerated from GrColorMatrixFragmentProcessor.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrColorMatrixFragmentProcessor.h" |
| |
| #include "include/gpu/GrTexture.h" |
| #include "src/gpu/glsl/GrGLSLFragmentProcessor.h" |
| #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "src/gpu/glsl/GrGLSLProgramBuilder.h" |
| #include "src/sksl/SkSLCPP.h" |
| #include "src/sksl/SkSLUtil.h" |
| class GrGLSLColorMatrixFragmentProcessor : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLColorMatrixFragmentProcessor() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrColorMatrixFragmentProcessor& _outer = |
| args.fFp.cast<GrColorMatrixFragmentProcessor>(); |
| (void)_outer; |
| auto m = _outer.m; |
| (void)m; |
| auto v = _outer.v; |
| (void)v; |
| auto unpremulInput = _outer.unpremulInput; |
| (void)unpremulInput; |
| auto clampRGBOutput = _outer.clampRGBOutput; |
| (void)clampRGBOutput; |
| auto premulOutput = _outer.premulOutput; |
| (void)premulOutput; |
| mVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4x4_GrSLType, "m"); |
| vVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, "v"); |
| fragBuilder->codeAppendf( |
| "half4 inputColor = %s;\n@if (%s) {\n half nonZeroAlpha = max(inputColor.w, " |
| "9.9999997473787516e-05);\n inputColor = half4(inputColor.xyz / nonZeroAlpha, " |
| "nonZeroAlpha);\n}\n%s = %s * inputColor + %s;\n@if (%s) {\n %s = clamp(%s, " |
| "0.0, 1.0);\n} else {\n %s.w = clamp(%s.w, 0.0, 1.0);\n}\n@if (%s) {\n " |
| "%s.xyz *= %s.w;\n}\n", |
| args.fInputColor, (_outer.unpremulInput ? "true" : "false"), args.fOutputColor, |
| args.fUniformHandler->getUniformCStr(mVar), |
| args.fUniformHandler->getUniformCStr(vVar), |
| (_outer.clampRGBOutput ? "true" : "false"), args.fOutputColor, args.fOutputColor, |
| args.fOutputColor, args.fOutputColor, (_outer.premulOutput ? "true" : "false"), |
| args.fOutputColor, args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrColorMatrixFragmentProcessor& _outer = _proc.cast<GrColorMatrixFragmentProcessor>(); |
| { |
| const SkMatrix44& mValue = _outer.m; |
| if (mPrev != (mValue)) { |
| mPrev = mValue; |
| pdman.setSkMatrix44(mVar, mValue); |
| } |
| const SkVector4& vValue = _outer.v; |
| if (vPrev != (vValue)) { |
| vPrev = vValue; |
| pdman.set4fv(vVar, 1, vValue.fData); |
| } |
| } |
| } |
| SkMatrix44 mPrev = SkMatrix44(SkMatrix44::kNaN_Constructor); |
| SkVector4 vPrev = SkVector4(SK_MScalarNaN, SK_MScalarNaN, SK_MScalarNaN, SK_MScalarNaN); |
| UniformHandle mVar; |
| UniformHandle vVar; |
| }; |
| GrGLSLFragmentProcessor* GrColorMatrixFragmentProcessor::onCreateGLSLInstance() const { |
| return new GrGLSLColorMatrixFragmentProcessor(); |
| } |
| void GrColorMatrixFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| b->add32((int32_t)unpremulInput); |
| b->add32((int32_t)clampRGBOutput); |
| b->add32((int32_t)premulOutput); |
| } |
| bool GrColorMatrixFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrColorMatrixFragmentProcessor& that = other.cast<GrColorMatrixFragmentProcessor>(); |
| (void)that; |
| if (m != that.m) return false; |
| if (v != that.v) return false; |
| if (unpremulInput != that.unpremulInput) return false; |
| if (clampRGBOutput != that.clampRGBOutput) return false; |
| if (premulOutput != that.premulOutput) return false; |
| return true; |
| } |
| GrColorMatrixFragmentProcessor::GrColorMatrixFragmentProcessor( |
| const GrColorMatrixFragmentProcessor& src) |
| : INHERITED(kGrColorMatrixFragmentProcessor_ClassID, src.optimizationFlags()) |
| , m(src.m) |
| , v(src.v) |
| , unpremulInput(src.unpremulInput) |
| , clampRGBOutput(src.clampRGBOutput) |
| , premulOutput(src.premulOutput) {} |
| std::unique_ptr<GrFragmentProcessor> GrColorMatrixFragmentProcessor::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrColorMatrixFragmentProcessor(*this)); |
| } |
| GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrColorMatrixFragmentProcessor); |
| #if GR_TEST_UTILS |
| std::unique_ptr<GrFragmentProcessor> GrColorMatrixFragmentProcessor::TestCreate( |
| GrProcessorTestData* d) { |
| float m[20]; |
| for (int i = 0; i < 20; ++i) { |
| m[i] = d->fRandom->nextRangeScalar(-10.f, 10.f); |
| } |
| bool unpremul = d->fRandom->nextBool(); |
| bool clampRGB = d->fRandom->nextBool(); |
| bool premul = d->fRandom->nextBool(); |
| return Make(m, unpremul, clampRGB, premul); |
| } |
| #endif |