| /* |
| * Copyright 2022 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/core/SkKeyHelpers.h" |
| |
| #include "include/core/SkCombinationBuilder.h" |
| #include "include/core/SkData.h" |
| #include "include/effects/SkRuntimeEffect.h" |
| #include "src/core/SkDebugUtils.h" |
| #include "src/core/SkKeyContext.h" |
| #include "src/core/SkPaintParamsKey.h" |
| #include "src/core/SkPipelineData.h" |
| #include "src/core/SkRuntimeEffectPriv.h" |
| #include "src/core/SkShaderCodeDictionary.h" |
| #include "src/core/SkUniform.h" |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| #include "src/gpu/Blend.h" |
| #include "src/gpu/graphite/Texture.h" |
| #include "src/gpu/graphite/TextureProxy.h" |
| #include "src/gpu/graphite/UniformManager.h" |
| #endif |
| |
| #define VALIDATE_UNIFORMS(gatherer, dict, codeSnippetID) \ |
| SkDEBUGCODE(UniformExpectationsValidator uev(gatherer, dict->getUniforms(codeSnippetID));) |
| |
| constexpr SkPMColor4f kErrorColor = { 1, 0, 0, 1 }; |
| |
| //-------------------------------------------------------------------------------------------------- |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| |
| namespace { |
| |
| void add_solid_uniform_data(const SkShaderCodeDictionary* dict, |
| const SkPMColor4f& premulColor, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, SkBuiltInCodeSnippetID::kSolidColorShader) |
| gatherer->write(premulColor); |
| |
| gatherer->addFlags(dict->getSnippetRequirementFlags(SkBuiltInCodeSnippetID::kSolidColorShader)); |
| } |
| |
| } // anonymous namespace |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| void SolidColorShaderBlock::BeginBlock(const SkKeyContext& keyContext, |
| SkPaintParamsKeyBuilder* builder, |
| SkPipelineDataGatherer* gatherer, |
| const SkPMColor4f& premulColor) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (builder->backend() == SkBackend::kGraphite) { |
| if (gatherer) { |
| auto dict = keyContext.dict(); |
| |
| add_solid_uniform_data(dict, premulColor, gatherer); |
| } |
| |
| builder->beginBlock(SkBuiltInCodeSnippetID::kSolidColorShader); |
| return; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (builder->backend() == SkBackend::kSkVM || builder->backend() == SkBackend::kGanesh) { |
| // TODO: add implementation of other backends |
| } |
| |
| } |
| |
| //-------------------------------------------------------------------------------------------------- |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| |
| namespace { |
| |
| void add_linear_gradient_uniform_data(const SkShaderCodeDictionary* dict, |
| SkBuiltInCodeSnippetID codeSnippetID, |
| const GradientShaderBlocks::GradientData& gradData, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, codeSnippetID) |
| int stops = codeSnippetID == SkBuiltInCodeSnippetID::kLinearGradientShader4 ? 4 : 8; |
| |
| SkM44 lmInverse; |
| bool wasInverted = gradData.fLocalMatrix.invert(&lmInverse); // TODO: handle failure up stack |
| if (!wasInverted) { |
| lmInverse.setIdentity(); |
| } |
| |
| gatherer->write(lmInverse); |
| gatherer->write(gradData.fColor4fs, stops); |
| gatherer->write(gradData.fOffsets, stops); |
| gatherer->write(gradData.fPoints[0]); |
| gatherer->write(gradData.fPoints[1]); |
| gatherer->write(static_cast<int>(gradData.fTM)); |
| gatherer->write(0.0f); // padding |
| gatherer->write(0.0f); |
| gatherer->write(0.0f); |
| |
| gatherer->addFlags(dict->getSnippetRequirementFlags(codeSnippetID)); |
| }; |
| |
| void add_radial_gradient_uniform_data(const SkShaderCodeDictionary* dict, |
| SkBuiltInCodeSnippetID codeSnippetID, |
| const GradientShaderBlocks::GradientData& gradData, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, codeSnippetID) |
| int stops = codeSnippetID == SkBuiltInCodeSnippetID::kRadialGradientShader4 ? 4 : 8; |
| |
| SkM44 lmInverse; |
| bool wasInverted = gradData.fLocalMatrix.invert(&lmInverse); // TODO: handle failure up stack |
| if (!wasInverted) { |
| lmInverse.setIdentity(); |
| } |
| |
| gatherer->write(lmInverse); |
| gatherer->write(gradData.fColor4fs, stops); |
| gatherer->write(gradData.fOffsets, stops); |
| gatherer->write(gradData.fPoints[0]); |
| gatherer->write(gradData.fRadii[0]); |
| gatherer->write(static_cast<int>(gradData.fTM)); |
| |
| gatherer->addFlags(dict->getSnippetRequirementFlags(codeSnippetID)); |
| }; |
| |
| void add_sweep_gradient_uniform_data(const SkShaderCodeDictionary* dict, |
| SkBuiltInCodeSnippetID codeSnippetID, |
| const GradientShaderBlocks::GradientData& gradData, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, codeSnippetID) |
| int stops = codeSnippetID == SkBuiltInCodeSnippetID::kSweepGradientShader4 ? 4 : 8; |
| |
| SkM44 lmInverse; |
| bool wasInverted = gradData.fLocalMatrix.invert(&lmInverse); // TODO: handle failure up stack |
| if (!wasInverted) { |
| lmInverse.setIdentity(); |
| } |
| |
| gatherer->write(lmInverse); |
| gatherer->write(gradData.fColor4fs, stops); |
| gatherer->write(gradData.fOffsets, stops); |
| gatherer->write(gradData.fPoints[0]); |
| gatherer->write(gradData.fBias); |
| gatherer->write(gradData.fScale); |
| gatherer->write(static_cast<int>(gradData.fTM)); |
| gatherer->write(0.0f); // padding |
| gatherer->write(0.0f); |
| gatherer->write(0.0f); |
| |
| gatherer->addFlags(dict->getSnippetRequirementFlags(codeSnippetID)); |
| }; |
| |
| void add_conical_gradient_uniform_data(const SkShaderCodeDictionary* dict, |
| SkBuiltInCodeSnippetID codeSnippetID, |
| const GradientShaderBlocks::GradientData& gradData, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, codeSnippetID) |
| int stops = codeSnippetID == SkBuiltInCodeSnippetID::kConicalGradientShader4 ? 4 : 8; |
| |
| SkM44 lmInverse; |
| bool wasInverted = gradData.fLocalMatrix.invert(&lmInverse); // TODO: handle failure up stack |
| if (!wasInverted) { |
| lmInverse.setIdentity(); |
| } |
| |
| gatherer->write(lmInverse); |
| gatherer->write(gradData.fColor4fs, stops); |
| gatherer->write(gradData.fOffsets, stops); |
| gatherer->write(gradData.fPoints[0]); |
| gatherer->write(gradData.fPoints[1]); |
| gatherer->write(gradData.fRadii[0]); |
| gatherer->write(gradData.fRadii[1]); |
| gatherer->write(static_cast<int>(gradData.fTM)); |
| gatherer->write(0.0f); // padding |
| |
| gatherer->addFlags(dict->getSnippetRequirementFlags(codeSnippetID)); |
| }; |
| |
| } // anonymous namespace |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| GradientShaderBlocks::GradientData::GradientData(SkShader::GradientType type, |
| int numStops) |
| : fType(type) |
| , fPoints{{0.0f, 0.0f}, {0.0f, 0.0f}} |
| , fRadii{0.0f, 0.0f} |
| , fBias(0.0f) |
| , fScale(0.0f) |
| , fTM(SkTileMode::kClamp) |
| , fNumStops(numStops) { |
| sk_bzero(fColor4fs, sizeof(fColor4fs)); |
| sk_bzero(fOffsets, sizeof(fOffsets)); |
| } |
| |
| GradientShaderBlocks::GradientData::GradientData(SkShader::GradientType type, |
| const SkM44& localMatrix, |
| SkPoint point0, SkPoint point1, |
| float radius0, float radius1, |
| float bias, float scale, |
| SkTileMode tm, |
| int numStops, |
| SkColor4f* color4fs, |
| float* offsets) |
| : fType(type) |
| , fLocalMatrix(localMatrix) |
| , fBias(bias) |
| , fScale(scale) |
| , fTM(tm) |
| , fNumStops(std::min(numStops, kMaxStops)) { |
| SkASSERT(fNumStops >= 1); |
| |
| fPoints[0] = point0; |
| fPoints[1] = point1; |
| fRadii[0] = radius0; |
| fRadii[1] = radius1; |
| memcpy(fColor4fs, color4fs, fNumStops * sizeof(SkColor4f)); |
| if (offsets) { |
| memcpy(fOffsets, offsets, fNumStops * sizeof(float)); |
| } else { |
| for (int i = 0; i < fNumStops; ++i) { |
| fOffsets[i] = SkIntToFloat(i) / (fNumStops-1); |
| } |
| } |
| |
| // Extend the colors and offset, if necessary, to fill out the arrays |
| // TODO: this should be done later when the actual code snippet has been selected!! |
| for (int i = fNumStops ; i < kMaxStops; ++i) { |
| fColor4fs[i] = fColor4fs[fNumStops-1]; |
| fOffsets[i] = fOffsets[fNumStops-1]; |
| } |
| } |
| |
| void GradientShaderBlocks::BeginBlock(const SkKeyContext& keyContext, |
| SkPaintParamsKeyBuilder *builder, |
| SkPipelineDataGatherer* gatherer, |
| const GradientData& gradData) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (builder->backend() == SkBackend::kGraphite) { |
| auto dict = keyContext.dict(); |
| SkBuiltInCodeSnippetID codeSnippetID = SkBuiltInCodeSnippetID::kSolidColorShader; |
| switch (gradData.fType) { |
| case SkShader::kLinear_GradientType: |
| codeSnippetID = gradData.fNumStops <= 4 |
| ? SkBuiltInCodeSnippetID::kLinearGradientShader4 |
| : SkBuiltInCodeSnippetID::kLinearGradientShader8; |
| if (gatherer) { |
| add_linear_gradient_uniform_data(dict, codeSnippetID, gradData, gatherer); |
| } |
| break; |
| case SkShader::kRadial_GradientType: |
| codeSnippetID = gradData.fNumStops <= 4 |
| ? SkBuiltInCodeSnippetID::kRadialGradientShader4 |
| : SkBuiltInCodeSnippetID::kRadialGradientShader8; |
| if (gatherer) { |
| add_radial_gradient_uniform_data(dict, codeSnippetID, gradData, gatherer); |
| } |
| break; |
| case SkShader::kSweep_GradientType: |
| codeSnippetID = gradData.fNumStops <= 4 |
| ? SkBuiltInCodeSnippetID::kSweepGradientShader4 |
| : SkBuiltInCodeSnippetID::kSweepGradientShader8; |
| if (gatherer) { |
| add_sweep_gradient_uniform_data(dict, codeSnippetID, gradData, gatherer); |
| } |
| break; |
| case SkShader::GradientType::kConical_GradientType: |
| codeSnippetID = gradData.fNumStops <= 4 |
| ? SkBuiltInCodeSnippetID::kConicalGradientShader4 |
| : SkBuiltInCodeSnippetID::kConicalGradientShader8; |
| if (gatherer) { |
| add_conical_gradient_uniform_data(dict, codeSnippetID, gradData, gatherer); |
| } |
| break; |
| case SkShader::GradientType::kColor_GradientType: |
| case SkShader::GradientType::kNone_GradientType: |
| default: |
| SkASSERT(0); |
| break; |
| } |
| |
| builder->beginBlock(codeSnippetID); |
| return; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (builder->backend() == SkBackend::kSkVM || builder->backend() == SkBackend::kGanesh) { |
| // TODO: add implementation of other backends |
| SolidColorShaderBlock::BeginBlock(keyContext, builder, gatherer, kErrorColor); |
| } |
| } |
| |
| //-------------------------------------------------------------------------------------------------- |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| |
| namespace { |
| |
| void add_localmatrixshader_uniform_data(const SkShaderCodeDictionary* dict, |
| const SkM44& localMatrix, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, SkBuiltInCodeSnippetID::kLocalMatrixShader) |
| |
| SkM44 lmInverse; |
| bool wasInverted = localMatrix.invert(&lmInverse); // TODO: handle failure up stack |
| if (!wasInverted) { |
| lmInverse.setIdentity(); |
| } |
| |
| gatherer->write(lmInverse); |
| |
| gatherer->addFlags( |
| dict->getSnippetRequirementFlags(SkBuiltInCodeSnippetID::kLocalMatrixShader)); |
| } |
| |
| } // anonymous namespace |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| void LocalMatrixShaderBlock::BeginBlock(const SkKeyContext& keyContext, |
| SkPaintParamsKeyBuilder* builder, |
| SkPipelineDataGatherer* gatherer, |
| const LMShaderData& lmShaderData) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (builder->backend() == SkBackend::kGraphite) { |
| auto dict = keyContext.dict(); |
| // When extracted into SkShaderInfo::SnippetEntries the children will appear after their |
| // parent. Thus, the parent's uniform data must appear in the uniform block before the |
| // uniform data of the children. |
| if (gatherer) { |
| add_localmatrixshader_uniform_data(dict, lmShaderData.fLocalMatrix, gatherer); |
| } |
| |
| builder->beginBlock(SkBuiltInCodeSnippetID::kLocalMatrixShader); |
| return; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (builder->backend() == SkBackend::kSkVM || builder->backend() == SkBackend::kGanesh) { |
| // TODO: add implementation for other backends |
| SolidColorShaderBlock::BeginBlock(keyContext, builder, gatherer, kErrorColor); |
| } |
| } |
| |
| //-------------------------------------------------------------------------------------------------- |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| |
| namespace { |
| |
| void add_image_uniform_data(const SkShaderCodeDictionary* dict, |
| const ImageShaderBlock::ImageData& imgData, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, SkBuiltInCodeSnippetID::kImageShader) |
| |
| SkMatrix lmInverse; |
| bool wasInverted = imgData.fLocalMatrix.invert(&lmInverse); // TODO: handle failure up stack |
| if (!wasInverted) { |
| lmInverse.setIdentity(); |
| } |
| |
| gatherer->write(SkM44(lmInverse)); |
| gatherer->write(imgData.fSubset); |
| gatherer->write(static_cast<int>(imgData.fTileModes[0])); |
| gatherer->write(static_cast<int>(imgData.fTileModes[1])); |
| gatherer->write(imgData.fTextureProxy->dimensions().fWidth); |
| gatherer->write(imgData.fTextureProxy->dimensions().fHeight); |
| |
| gatherer->addFlags(dict->getSnippetRequirementFlags(SkBuiltInCodeSnippetID::kImageShader)); |
| } |
| |
| } // anonymous namespace |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| ImageShaderBlock::ImageData::ImageData(const SkSamplingOptions& sampling, |
| SkTileMode tileModeX, |
| SkTileMode tileModeY, |
| SkRect subset, |
| const SkMatrix& localMatrix) |
| : fSampling(sampling) |
| , fTileModes{tileModeX, tileModeY} |
| , fSubset(subset) |
| , fLocalMatrix(localMatrix) { |
| } |
| |
| void ImageShaderBlock::BeginBlock(const SkKeyContext& keyContext, |
| SkPaintParamsKeyBuilder* builder, |
| SkPipelineDataGatherer* gatherer, |
| const ImageData& imgData) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (builder->backend() == SkBackend::kGraphite) { |
| // TODO: allow through lazy proxies |
| if (gatherer && !imgData.fTextureProxy) { |
| // We're dropping the ImageShader here. This could be an instance of trying to draw |
| // a raster-backed image w/ a Graphite-backed canvas. |
| // TODO: At some point the pre-compile path should also be creating a texture |
| // proxy (i.e., we can remove the 'pipelineData' in the above test). |
| SolidColorShaderBlock::BeginBlock(keyContext, builder, gatherer, kErrorColor); |
| return; |
| } |
| |
| auto dict = keyContext.dict(); |
| if (gatherer) { |
| gatherer->add(imgData.fSampling, |
| imgData.fTileModes, |
| imgData.fTextureProxy); |
| |
| add_image_uniform_data(dict, imgData, gatherer); |
| } |
| |
| builder->beginBlock(SkBuiltInCodeSnippetID::kImageShader); |
| return; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (builder->backend() == SkBackend::kSkVM || builder->backend() == SkBackend::kGanesh) { |
| // TODO: add implementation for other backends |
| SolidColorShaderBlock::BeginBlock(keyContext, builder, gatherer, kErrorColor); |
| } |
| } |
| |
| //-------------------------------------------------------------------------------------------------- |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| |
| namespace { |
| |
| void add_blendshader_uniform_data(const SkShaderCodeDictionary* dict, |
| SkBlendMode bm, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, SkBuiltInCodeSnippetID::kBlendShader) |
| gatherer->write(SkTo<int>(bm)); |
| gatherer->write(0); // padding - remove |
| gatherer->write(0); // padding - remove |
| gatherer->write(0); // padding - remove |
| |
| gatherer->addFlags(dict->getSnippetRequirementFlags(SkBuiltInCodeSnippetID::kBlendShader)); |
| } |
| |
| } // anonymous namespace |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| void BlendShaderBlock::BeginBlock(const SkKeyContext& keyContext, |
| SkPaintParamsKeyBuilder *builder, |
| SkPipelineDataGatherer* gatherer, |
| const BlendShaderData& blendData) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (builder->backend() == SkBackend::kGraphite) { |
| auto dict = keyContext.dict(); |
| // When extracted into SkShaderInfo::SnippetEntries the children will appear after their |
| // parent. Thus, the parent's uniform data must appear in the uniform block before the |
| // uniform data of the children. |
| if (gatherer) { |
| add_blendshader_uniform_data(dict, blendData.fBM, gatherer); |
| } |
| |
| builder->beginBlock(SkBuiltInCodeSnippetID::kBlendShader); |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (builder->backend() == SkBackend::kSkVM || builder->backend() == SkBackend::kGanesh) { |
| // TODO: add implementation for other backends |
| SolidColorShaderBlock::BeginBlock(keyContext, builder, gatherer, kErrorColor); |
| } |
| } |
| |
| //-------------------------------------------------------------------------------------------------- |
| #ifdef SK_GRAPHITE_ENABLED |
| namespace { |
| |
| constexpr skgpu::BlendInfo make_simple_blendInfo(skgpu::BlendCoeff srcCoeff, |
| skgpu::BlendCoeff dstCoeff) { |
| return { skgpu::BlendEquation::kAdd, |
| srcCoeff, |
| dstCoeff, |
| SK_PMColor4fTRANSPARENT, |
| skgpu::BlendModifiesDst(skgpu::BlendEquation::kAdd, srcCoeff, dstCoeff) }; |
| } |
| |
| static constexpr int kNumCoeffModes = (int)SkBlendMode::kLastCoeffMode + 1; |
| /*>> No coverage, input color unknown <<*/ |
| static constexpr skgpu::BlendInfo gBlendTable[kNumCoeffModes] = { |
| /* clear */ make_simple_blendInfo(skgpu::BlendCoeff::kZero, skgpu::BlendCoeff::kZero), |
| /* src */ make_simple_blendInfo(skgpu::BlendCoeff::kOne, skgpu::BlendCoeff::kZero), |
| /* dst */ make_simple_blendInfo(skgpu::BlendCoeff::kZero, skgpu::BlendCoeff::kOne), |
| /* src-over */ make_simple_blendInfo(skgpu::BlendCoeff::kOne, skgpu::BlendCoeff::kISA), |
| /* dst-over */ make_simple_blendInfo(skgpu::BlendCoeff::kIDA, skgpu::BlendCoeff::kOne), |
| /* src-in */ make_simple_blendInfo(skgpu::BlendCoeff::kDA, skgpu::BlendCoeff::kZero), |
| /* dst-in */ make_simple_blendInfo(skgpu::BlendCoeff::kZero, skgpu::BlendCoeff::kSA), |
| /* src-out */ make_simple_blendInfo(skgpu::BlendCoeff::kIDA, skgpu::BlendCoeff::kZero), |
| /* dst-out */ make_simple_blendInfo(skgpu::BlendCoeff::kZero, skgpu::BlendCoeff::kISA), |
| /* src-atop */ make_simple_blendInfo(skgpu::BlendCoeff::kDA, skgpu::BlendCoeff::kISA), |
| /* dst-atop */ make_simple_blendInfo(skgpu::BlendCoeff::kIDA, skgpu::BlendCoeff::kSA), |
| /* xor */ make_simple_blendInfo(skgpu::BlendCoeff::kIDA, skgpu::BlendCoeff::kISA), |
| /* plus */ make_simple_blendInfo(skgpu::BlendCoeff::kOne, skgpu::BlendCoeff::kOne), |
| /* modulate */ make_simple_blendInfo(skgpu::BlendCoeff::kZero, skgpu::BlendCoeff::kSC), |
| /* screen */ make_simple_blendInfo(skgpu::BlendCoeff::kOne, skgpu::BlendCoeff::kISC) |
| }; |
| |
| const skgpu::BlendInfo& get_blend_info(SkBlendMode bm) { |
| if (bm <= SkBlendMode::kLastCoeffMode) { |
| return gBlendTable[(int) bm]; |
| } |
| |
| return gBlendTable[(int) SkBlendMode::kSrc]; |
| } |
| |
| void add_shaderbasedblender_uniform_data(const SkShaderCodeDictionary* dict, |
| SkBlendMode bm, |
| SkPipelineDataGatherer* gatherer) { |
| VALIDATE_UNIFORMS(gatherer, dict, SkBuiltInCodeSnippetID::kShaderBasedBlender) |
| gatherer->write(SkTo<int>(bm)); |
| gatherer->write(0); // padding - remove |
| gatherer->write(0); // padding - remove |
| gatherer->write(0); // padding - remove |
| |
| gatherer->addFlags( |
| dict->getSnippetRequirementFlags(SkBuiltInCodeSnippetID::kShaderBasedBlender)); |
| } |
| |
| } // anonymous namespace |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| void BlendModeBlock::BeginBlock(const SkKeyContext& keyContext, |
| SkPaintParamsKeyBuilder *builder, |
| SkPipelineDataGatherer* gatherer, |
| SkBlendMode bm) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (builder->backend() == SkBackend::kGraphite) { |
| auto dict = keyContext.dict(); |
| |
| if (bm <= SkBlendMode::kLastCoeffMode) { |
| builder->setBlendInfo(get_blend_info(bm)); |
| |
| builder->beginBlock(SkBuiltInCodeSnippetID::kFixedFunctionBlender); |
| } else { |
| // TODO: set up the correct blend info |
| builder->setBlendInfo({}); |
| |
| if (gatherer) { |
| add_shaderbasedblender_uniform_data(dict, bm, gatherer); |
| } |
| |
| builder->beginBlock(SkBuiltInCodeSnippetID::kShaderBasedBlender); |
| } |
| return; |
| } |
| #endif// SK_GRAPHITE_ENABLED |
| |
| if (builder->backend() == SkBackend::kSkVM || builder->backend() == SkBackend::kGanesh) { |
| // TODO: add implementation for other backends |
| SolidColorShaderBlock::BeginBlock(keyContext, builder, gatherer, kErrorColor); |
| } |
| } |
| |
| RuntimeShaderBlock::ShaderData::ShaderData(sk_sp<const SkRuntimeEffect> effect) |
| : fEffect(std::move(effect)) {} |
| |
| RuntimeShaderBlock::ShaderData::ShaderData(sk_sp<const SkRuntimeEffect> effect, |
| const SkMatrix& localMatrix, |
| sk_sp<const SkData> uniforms) |
| : fEffect(std::move(effect)) |
| , fLocalMatrix(localMatrix) |
| , fUniforms(std::move(uniforms)) {} |
| |
| static bool skdata_matches(const SkData* a, const SkData* b) { |
| // Returns true if both SkData objects hold the same contents, or if they are both null. |
| // (SkData::equals supports passing null, and returns false.) |
| return a ? a->equals(b) : (a == b); |
| } |
| |
| bool RuntimeShaderBlock::ShaderData::operator==(const ShaderData& rhs) const { |
| return fEffect == rhs.fEffect && |
| fLocalMatrix == rhs.fLocalMatrix && |
| skdata_matches(fUniforms.get(), rhs.fUniforms.get()); |
| } |
| |
| void RuntimeShaderBlock::BeginBlock(const SkKeyContext& keyContext, |
| SkPaintParamsKeyBuilder* builder, |
| SkPipelineDataGatherer* gatherer, |
| const ShaderData& shaderData) { |
| switch (builder->backend()) { |
| case SkBackend::kGraphite: { |
| #ifdef SK_GRAPHITE_ENABLED |
| // TODO(skia:13405): add support for child effects |
| |
| static constexpr auto kCodeSnippetID = SkBuiltInCodeSnippetID::kRuntimeShader; |
| |
| if (gatherer) { |
| [[maybe_unused]] const SkShaderCodeDictionary* dict = keyContext.dict(); |
| VALIDATE_UNIFORMS(gatherer, dict, kCodeSnippetID) |
| gatherer->addFlags(dict->getSnippetRequirementFlags(kCodeSnippetID)); |
| |
| // Pass the local matrix inverse so we can use local coordinates. |
| SkMatrix inverseLocalMatrix; |
| if (!shaderData.fLocalMatrix.invert(&inverseLocalMatrix)) { |
| inverseLocalMatrix.setIdentity(); |
| } |
| gatherer->write(SkM44(inverseLocalMatrix)); |
| } |
| // Use the combination of {SkSL program hash, uniform size} as our key. |
| // In the unfortunate event of a hash collision, at least we'll have the right amount of |
| // uniform data available. |
| uint32_t hash = SkRuntimeEffectPriv::Hash(*shaderData.fEffect); |
| uint32_t uniformSize = shaderData.fEffect->uniformSize(); |
| |
| builder->beginBlock(kCodeSnippetID); |
| builder->addBytes(sizeof(hash), reinterpret_cast<const uint8_t*>(&hash)); |
| builder->addBytes(sizeof(uniformSize), reinterpret_cast<const uint8_t*>(&uniformSize)); |
| builder->addPointer(shaderData.fEffect.get()); |
| #endif // SK_GRAPHITE_ENABLED |
| break; |
| } |
| |
| case SkBackend::kSkVM: |
| case SkBackend::kGanesh: |
| // TODO: add implementation for other backends |
| SolidColorShaderBlock::BeginBlock(keyContext, builder, gatherer, kErrorColor); |
| break; |
| } |
| } |
| |
| const SkRuntimeEffect* TestingOnly_GetCommonRuntimeEffect() { |
| static const SkRuntimeEffect* effect = SkMakeRuntimeEffect(SkRuntimeEffect::MakeForShader, R"( |
| half4 main(float2 coords) { |
| return half4(coords.xy01); |
| } |
| )"); |
| return effect; |
| } |
