| /* |
| * Copyright 2018 Google Inc. |
| * |
| * 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 GrConstColorProcessor.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrConstColorProcessor.h" |
| #if SK_SUPPORT_GPU |
| #include "glsl/GrGLSLFragmentProcessor.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "glsl/GrGLSLProgramBuilder.h" |
| #include "GrTexture.h" |
| #include "SkSLCPP.h" |
| #include "SkSLUtil.h" |
| class GrGLSLConstColorProcessor : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLConstColorProcessor() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrConstColorProcessor& _outer = args.fFp.cast<GrConstColorProcessor>(); |
| (void)_outer; |
| auto color = _outer.color(); |
| (void)color; |
| auto mode = _outer.mode(); |
| (void)mode; |
| fColorUniformVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, |
| kDefault_GrSLPrecision, "colorUniform"); |
| fragBuilder->codeAppendf( |
| "half4 prevColor;\n@switch (%d) {\n case 0:\n %s = %s;\n break;\n " |
| " case 1:\n %s = %s * %s;\n break;\n case 2:\n %s = %s.w " |
| "* %s;\n break;\n}\n", |
| (int)_outer.mode(), args.fOutputColor, |
| args.fUniformHandler->getUniformCStr(fColorUniformVar), args.fOutputColor, |
| args.fInputColor ? args.fInputColor : "half4(1)", |
| args.fUniformHandler->getUniformCStr(fColorUniformVar), args.fOutputColor, |
| args.fInputColor ? args.fInputColor : "half4(1)", |
| args.fUniformHandler->getUniformCStr(fColorUniformVar)); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrConstColorProcessor& _outer = _proc.cast<GrConstColorProcessor>(); |
| auto color = _outer.color(); |
| (void)color; |
| UniformHandle& colorUniform = fColorUniformVar; |
| (void)colorUniform; |
| auto mode = _outer.mode(); |
| (void)mode; |
| |
| // We use the "illegal" color value as an uninit sentinel. With GrColor4f, the "illegal" |
| // color is *really* illegal (not just unpremultiplied), so this check is simple. |
| if (prevColor != color) { |
| pdman.set4fv(colorUniform, 1, color.fRGBA); |
| prevColor = color; |
| } |
| } |
| GrColor4f prevColor = GrColor4f::kIllegalConstructor; |
| UniformHandle fColorUniformVar; |
| }; |
| GrGLSLFragmentProcessor* GrConstColorProcessor::onCreateGLSLInstance() const { |
| return new GrGLSLConstColorProcessor(); |
| } |
| void GrConstColorProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| b->add32((int32_t)fMode); |
| } |
| bool GrConstColorProcessor::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrConstColorProcessor& that = other.cast<GrConstColorProcessor>(); |
| (void)that; |
| if (fColor != that.fColor) return false; |
| if (fMode != that.fMode) return false; |
| return true; |
| } |
| GrConstColorProcessor::GrConstColorProcessor(const GrConstColorProcessor& src) |
| : INHERITED(kGrConstColorProcessor_ClassID, src.optimizationFlags()) |
| , fColor(src.fColor) |
| , fMode(src.fMode) {} |
| std::unique_ptr<GrFragmentProcessor> GrConstColorProcessor::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrConstColorProcessor(*this)); |
| } |
| GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConstColorProcessor); |
| #if GR_TEST_UTILS |
| std::unique_ptr<GrFragmentProcessor> GrConstColorProcessor::TestCreate(GrProcessorTestData* d) { |
| GrColor4f color; |
| int colorPicker = d->fRandom->nextULessThan(3); |
| switch (colorPicker) { |
| case 0: { |
| uint32_t a = d->fRandom->nextULessThan(0x100); |
| uint32_t r = d->fRandom->nextULessThan(a + 1); |
| uint32_t g = d->fRandom->nextULessThan(a + 1); |
| uint32_t b = d->fRandom->nextULessThan(a + 1); |
| color = GrColor4f::FromGrColor(GrColorPackRGBA(r, g, b, a)); |
| break; |
| } |
| case 1: |
| color = GrColor4f::TransparentBlack(); |
| break; |
| case 2: |
| uint32_t c = d->fRandom->nextULessThan(0x100); |
| color = GrColor4f::FromGrColor(c | (c << 8) | (c << 16) | (c << 24)); |
| break; |
| } |
| InputMode mode = static_cast<InputMode>(d->fRandom->nextULessThan(kInputModeCnt)); |
| return GrConstColorProcessor::Make(color, mode); |
| } |
| #endif |
| #endif |