| /* |
| * 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 GrYUVtoRGBEffect.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrYUVtoRGBEffect.h" |
| |
| static const float kJPEGConversionMatrix[16] = { |
| 1.0f, 0.0f, 1.402f, -0.703749f, 1.0f, -0.344136f, -0.714136f, 0.531211f, |
| 1.0f, 1.772f, 0.0f, -0.889475f, 0.0f, 0.0f, 0.0f, 1.0}; |
| |
| static const float kRec601ConversionMatrix[16] = { |
| 1.164f, 0.0f, 1.596f, -0.87075f, 1.164f, -0.391f, -0.813f, 0.52925f, |
| 1.164f, 2.018f, 0.0f, -1.08175f, 0.0f, 0.0f, 0.0f, 1.0}; |
| |
| static const float kRec709ConversionMatrix[16] = { |
| 1.164f, 0.0f, 1.793f, -0.96925f, 1.164f, -0.213f, -0.533f, 0.30025f, |
| 1.164f, 2.112f, 0.0f, -1.12875f, 0.0f, 0.0f, 0.0f, 1.0f}; |
| |
| std::unique_ptr<GrFragmentProcessor> GrYUVtoRGBEffect::Make(sk_sp<GrTextureProxy> yProxy, |
| sk_sp<GrTextureProxy> |
| uProxy, |
| sk_sp<GrTextureProxy> |
| vProxy, |
| const SkISize sizes[3], |
| SkYUVColorSpace colorSpace, |
| bool nv12) { |
| SkScalar w[3], h[3]; |
| w[0] = SkIntToScalar(sizes[0].fWidth); |
| h[0] = SkIntToScalar(sizes[0].fHeight); |
| w[1] = SkIntToScalar(sizes[1].fWidth); |
| h[1] = SkIntToScalar(sizes[1].fHeight); |
| w[2] = SkIntToScalar(sizes[2].fWidth); |
| h[2] = SkIntToScalar(sizes[2].fHeight); |
| SkMatrix yTransform = SkMatrix::I(); |
| SkMatrix uTransform = SkMatrix::MakeScale(w[1] / w[0], h[1] / h[0]); |
| SkMatrix vTransform = SkMatrix::MakeScale(w[2] / w[0], h[2] / h[0]); |
| GrSamplerState::Filter uvFilterMode = |
| ((sizes[1].fWidth != sizes[0].fWidth) || (sizes[1].fHeight != sizes[0].fHeight) || |
| (sizes[2].fWidth != sizes[0].fWidth) || (sizes[2].fHeight != sizes[0].fHeight)) |
| ? GrSamplerState::Filter::kBilerp |
| : GrSamplerState::Filter::kNearest; |
| SkMatrix44 mat(SkMatrix44::kUninitialized_Constructor); |
| switch (colorSpace) { |
| case kJPEG_SkYUVColorSpace: |
| mat.setColMajorf(kJPEGConversionMatrix); |
| break; |
| case kRec601_SkYUVColorSpace: |
| mat.setColMajorf(kRec601ConversionMatrix); |
| break; |
| case kRec709_SkYUVColorSpace: |
| mat.setColMajorf(kRec709ConversionMatrix); |
| break; |
| } |
| return std::unique_ptr<GrFragmentProcessor>(new GrYUVtoRGBEffect( |
| std::move(yProxy), yTransform, std::move(uProxy), uTransform, std::move(vProxy), |
| vTransform, mat, nv12, GrSamplerState(GrSamplerState::WrapMode::kClamp, uvFilterMode))); |
| } |
| #include "glsl/GrGLSLFragmentProcessor.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "glsl/GrGLSLProgramBuilder.h" |
| #include "GrTexture.h" |
| #include "SkSLCPP.h" |
| #include "SkSLUtil.h" |
| class GrGLSLYUVtoRGBEffect : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLYUVtoRGBEffect() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrYUVtoRGBEffect& _outer = args.fFp.cast<GrYUVtoRGBEffect>(); |
| (void)_outer; |
| auto ySamplerTransform = _outer.ySamplerTransform(); |
| (void)ySamplerTransform; |
| auto uSamplerTransform = _outer.uSamplerTransform(); |
| (void)uSamplerTransform; |
| auto vSamplerTransform = _outer.vSamplerTransform(); |
| (void)vSamplerTransform; |
| auto colorSpaceMatrix = _outer.colorSpaceMatrix(); |
| (void)colorSpaceMatrix; |
| auto nv12 = _outer.nv12(); |
| (void)nv12; |
| fColorSpaceMatrixVar = |
| args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4x4_GrSLType, |
| kDefault_GrSLPrecision, "colorSpaceMatrix"); |
| SkString sk_TransformedCoords2D_0 = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]); |
| SkString sk_TransformedCoords2D_1 = fragBuilder->ensureCoords2D(args.fTransformedCoords[1]); |
| SkString sk_TransformedCoords2D_2 = fragBuilder->ensureCoords2D(args.fTransformedCoords[2]); |
| fragBuilder->codeAppendf( |
| "@if (%s) {\n %s = half4(texture(%s, %s).%s.x, texture(%s, %s).%s.xy, 1.0) * " |
| "%s;\n} else {\n %s = half4(texture(%s, %s).%s.x, texture(%s, %s).%s.x, " |
| "texture(%s, %s).%s.x, 1.0) * %s;\n}\n", |
| (_outer.nv12() ? "true" : "false"), args.fOutputColor, |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), |
| sk_TransformedCoords2D_0.c_str(), |
| fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[1]).c_str(), |
| sk_TransformedCoords2D_1.c_str(), |
| fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[1]).c_str(), |
| args.fUniformHandler->getUniformCStr(fColorSpaceMatrixVar), args.fOutputColor, |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), |
| sk_TransformedCoords2D_0.c_str(), |
| fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[1]).c_str(), |
| sk_TransformedCoords2D_1.c_str(), |
| fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[1]).c_str(), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[2]).c_str(), |
| sk_TransformedCoords2D_2.c_str(), |
| fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[2]).c_str(), |
| args.fUniformHandler->getUniformCStr(fColorSpaceMatrixVar)); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrYUVtoRGBEffect& _outer = _proc.cast<GrYUVtoRGBEffect>(); |
| { |
| float colorSpaceMatrixValue[16]; |
| _outer.colorSpaceMatrix().asColMajorf(colorSpaceMatrixValue); |
| pdman.setMatrix4f(fColorSpaceMatrixVar, colorSpaceMatrixValue); |
| } |
| } |
| UniformHandle fColorSpaceMatrixVar; |
| }; |
| GrGLSLFragmentProcessor* GrYUVtoRGBEffect::onCreateGLSLInstance() const { |
| return new GrGLSLYUVtoRGBEffect(); |
| } |
| void GrYUVtoRGBEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| b->add32((int32_t)fNv12); |
| } |
| bool GrYUVtoRGBEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrYUVtoRGBEffect& that = other.cast<GrYUVtoRGBEffect>(); |
| (void)that; |
| if (fYSampler != that.fYSampler) return false; |
| if (fYSamplerTransform != that.fYSamplerTransform) return false; |
| if (fUSampler != that.fUSampler) return false; |
| if (fUSamplerTransform != that.fUSamplerTransform) return false; |
| if (fVSampler != that.fVSampler) return false; |
| if (fVSamplerTransform != that.fVSamplerTransform) return false; |
| if (fColorSpaceMatrix != that.fColorSpaceMatrix) return false; |
| if (fNv12 != that.fNv12) return false; |
| return true; |
| } |
| GrYUVtoRGBEffect::GrYUVtoRGBEffect(const GrYUVtoRGBEffect& src) |
| : INHERITED(kGrYUVtoRGBEffect_ClassID, src.optimizationFlags()) |
| , fYSampler(src.fYSampler) |
| , fYSamplerTransform(src.fYSamplerTransform) |
| , fUSampler(src.fUSampler) |
| , fUSamplerTransform(src.fUSamplerTransform) |
| , fVSampler(src.fVSampler) |
| , fVSamplerTransform(src.fVSamplerTransform) |
| , fColorSpaceMatrix(src.fColorSpaceMatrix) |
| , fNv12(src.fNv12) |
| , fYSamplerCoordTransform(src.fYSamplerCoordTransform) |
| , fUSamplerCoordTransform(src.fUSamplerCoordTransform) |
| , fVSamplerCoordTransform(src.fVSamplerCoordTransform) { |
| this->addTextureSampler(&fYSampler); |
| this->addTextureSampler(&fUSampler); |
| this->addTextureSampler(&fVSampler); |
| this->addCoordTransform(&fYSamplerCoordTransform); |
| this->addCoordTransform(&fUSamplerCoordTransform); |
| this->addCoordTransform(&fVSamplerCoordTransform); |
| } |
| std::unique_ptr<GrFragmentProcessor> GrYUVtoRGBEffect::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrYUVtoRGBEffect(*this)); |
| } |
