| /* |
| * 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 GrRectBlurEffect.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrRectBlurEffect.h" |
| |
| #include "src/core/SkUtils.h" |
| #include "src/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 GrGLSLRectBlurEffect : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLRectBlurEffect() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrRectBlurEffect& _outer = args.fFp.cast<GrRectBlurEffect>(); |
| (void)_outer; |
| auto rect = _outer.rect; |
| (void)rect; |
| auto applyInvVM = _outer.applyInvVM; |
| (void)applyInvVM; |
| auto invVM = _outer.invVM; |
| (void)invVM; |
| auto isFast = _outer.isFast; |
| (void)isFast; |
| highPrecision = ((abs(rect.left()) > 16000.0 || abs(rect.top()) > 16000.0) || |
| abs(rect.right()) > 16000.0) || |
| abs(rect.bottom()) > 16000.0; |
| if (highPrecision) { |
| rectFVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag, |
| kFloat4_GrSLType, "rectF"); |
| } |
| if (!highPrecision) { |
| rectHVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag, |
| kHalf4_GrSLType, "rectH"); |
| } |
| if (applyInvVM) { |
| invVMVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag, |
| kFloat3x3_GrSLType, "invVM"); |
| } |
| fragBuilder->codeAppendf( |
| R"SkSL(/* key */ bool highPrecision = %s; |
| half xCoverage; |
| half yCoverage; |
| |
| float2 pos = sk_FragCoord.xy; |
| @if (%s) { |
| pos = (%s * float3(pos, 1.0)).xy; |
| } |
| @if (%s) { |
| half2 xy; |
| @if (highPrecision) { |
| xy = max(half2(%s.xy - pos), half2(pos - %s.zw)); |
| } else { |
| xy = max(half2(float2(%s.xy) - pos), half2(pos - float2(%s.zw))); |
| })SkSL", |
| (highPrecision ? "true" : "false"), (_outer.applyInvVM ? "true" : "false"), |
| invVMVar.isValid() ? args.fUniformHandler->getUniformCStr(invVMVar) : "float3x3(1)", |
| (_outer.isFast ? "true" : "false"), |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)"); |
| SkString _coords0("float2(half2(xy.x, 0.5))"); |
| SkString _sample0 = this->invokeChild(1, args, _coords0.c_str()); |
| fragBuilder->codeAppendf( |
| R"SkSL( |
| xCoverage = %s.w;)SkSL", |
| _sample0.c_str()); |
| SkString _coords1("float2(half2(xy.y, 0.5))"); |
| SkString _sample1 = this->invokeChild(1, args, _coords1.c_str()); |
| fragBuilder->codeAppendf( |
| R"SkSL( |
| yCoverage = %s.w; |
| } else { |
| half4 rect; |
| @if (highPrecision) { |
| rect.xy = half2(%s.xy - pos); |
| rect.zw = half2(pos - %s.zw); |
| } else { |
| rect.xy = half2(float2(%s.xy) - pos); |
| rect.zw = half2(pos - float2(%s.zw)); |
| })SkSL", |
| _sample1.c_str(), |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)"); |
| SkString _coords2("float2(half2(rect.x, 0.5))"); |
| SkString _sample2 = this->invokeChild(1, args, _coords2.c_str()); |
| SkString _coords3("float2(half2(rect.z, 0.5))"); |
| SkString _sample3 = this->invokeChild(1, args, _coords3.c_str()); |
| fragBuilder->codeAppendf( |
| R"SkSL( |
| xCoverage = (1.0 - %s.w) - %s.w;)SkSL", |
| _sample2.c_str(), _sample3.c_str()); |
| SkString _coords4("float2(half2(rect.y, 0.5))"); |
| SkString _sample4 = this->invokeChild(1, args, _coords4.c_str()); |
| SkString _coords5("float2(half2(rect.w, 0.5))"); |
| SkString _sample5 = this->invokeChild(1, args, _coords5.c_str()); |
| fragBuilder->codeAppendf( |
| R"SkSL( |
| yCoverage = (1.0 - %s.w) - %s.w; |
| })SkSL", |
| _sample4.c_str(), _sample5.c_str()); |
| SkString _sample6 = this->invokeChild(0, args); |
| fragBuilder->codeAppendf( |
| R"SkSL( |
| return (%s * xCoverage) * yCoverage; |
| )SkSL", |
| _sample6.c_str()); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrRectBlurEffect& _outer = _proc.cast<GrRectBlurEffect>(); |
| { |
| if (invVMVar.isValid()) { |
| static_assert(1 == 1); |
| pdman.setSkMatrix(invVMVar, (_outer.invVM)); |
| } |
| } |
| auto rect = _outer.rect; |
| (void)rect; |
| UniformHandle& rectF = rectFVar; |
| (void)rectF; |
| UniformHandle& rectH = rectHVar; |
| (void)rectH; |
| auto applyInvVM = _outer.applyInvVM; |
| (void)applyInvVM; |
| UniformHandle& invVM = invVMVar; |
| (void)invVM; |
| auto isFast = _outer.isFast; |
| (void)isFast; |
| |
| float r[]{rect.fLeft, rect.fTop, rect.fRight, rect.fBottom}; |
| pdman.set4fv(highPrecision ? rectF : rectH, 1, r); |
| } |
| bool highPrecision = false; |
| UniformHandle rectFVar; |
| UniformHandle rectHVar; |
| UniformHandle invVMVar; |
| }; |
| std::unique_ptr<GrGLSLFragmentProcessor> GrRectBlurEffect::onMakeProgramImpl() const { |
| return std::make_unique<GrGLSLRectBlurEffect>(); |
| } |
| void GrRectBlurEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| bool highPrecision = ((abs(rect.left()) > 16000.0 || abs(rect.top()) > 16000.0) || |
| abs(rect.right()) > 16000.0) || |
| abs(rect.bottom()) > 16000.0; |
| b->add32((uint32_t)highPrecision); |
| b->add32((uint32_t)applyInvVM); |
| b->add32((uint32_t)isFast); |
| } |
| bool GrRectBlurEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrRectBlurEffect& that = other.cast<GrRectBlurEffect>(); |
| (void)that; |
| if (rect != that.rect) return false; |
| if (applyInvVM != that.applyInvVM) return false; |
| if (invVM != that.invVM) return false; |
| if (isFast != that.isFast) return false; |
| return true; |
| } |
| GrRectBlurEffect::GrRectBlurEffect(const GrRectBlurEffect& src) |
| : INHERITED(kGrRectBlurEffect_ClassID, src.optimizationFlags()) |
| , rect(src.rect) |
| , applyInvVM(src.applyInvVM) |
| , invVM(src.invVM) |
| , isFast(src.isFast) { |
| this->cloneAndRegisterAllChildProcessors(src); |
| } |
| std::unique_ptr<GrFragmentProcessor> GrRectBlurEffect::clone() const { |
| return std::make_unique<GrRectBlurEffect>(*this); |
| } |
| #if GR_TEST_UTILS |
| SkString GrRectBlurEffect::onDumpInfo() const { |
| return SkStringPrintf( |
| "(rect=float4(%f, %f, %f, %f), applyInvVM=%s, invVM=float3x3(%f, %f, %f, %f, %f, %f, " |
| "%f, %f, %f), isFast=%s)", |
| rect.left(), rect.top(), rect.right(), rect.bottom(), (applyInvVM ? "true" : "false"), |
| invVM.rc(0, 0), invVM.rc(1, 0), invVM.rc(2, 0), invVM.rc(0, 1), invVM.rc(1, 1), |
| invVM.rc(2, 1), invVM.rc(0, 2), invVM.rc(1, 2), invVM.rc(2, 2), |
| (isFast ? "true" : "false")); |
| } |
| #endif |
| GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrRectBlurEffect); |
| #if GR_TEST_UTILS |
| std::unique_ptr<GrFragmentProcessor> GrRectBlurEffect::TestCreate(GrProcessorTestData* data) { |
| float sigma = data->fRandom->nextRangeF(3, 8); |
| int x = data->fRandom->nextRangeF(1, 200); |
| int y = data->fRandom->nextRangeF(1, 200); |
| float width = data->fRandom->nextRangeF(200, 300); |
| float height = data->fRandom->nextRangeF(200, 300); |
| SkMatrix vm = GrTest::TestMatrixPreservesRightAngles(data->fRandom); |
| auto rect = SkRect::MakeXYWH(x, y, width, height); |
| return GrRectBlurEffect::Make(data->inputFP(), data->context(), *data->caps()->shaderCaps(), |
| rect, vm, sigma); |
| } |
| #endif |
