| /* |
| * 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 "src/core/SkDebugUtils.h" |
| #include "src/core/SkPaintParamsKey.h" |
| #include "src/core/SkShaderCodeDictionary.h" |
| #include "src/core/SkUniform.h" |
| #include "src/core/SkUniformData.h" |
| #include "src/shaders/SkShaderBase.h" |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| #include "experimental/graphite/src/UniformManager.h" |
| #endif |
| |
| namespace { |
| |
| #if defined(SK_DEBUG) && defined(SK_GRAPHITE_ENABLED) |
| SkBuiltInCodeSnippetID read_code_snippet_id(const SkPaintParamsKey& key, int headerOffset) { |
| uint8_t byte = key.byte(headerOffset); |
| |
| SkASSERT(byte <= static_cast<int>(SkBuiltInCodeSnippetID::kLast)); |
| |
| return static_cast<SkBuiltInCodeSnippetID>(byte); |
| } |
| |
| void validate_block_header_key(const SkPaintParamsKey& key, |
| int headerOffset, |
| SkBuiltInCodeSnippetID codeSnippetID, |
| int blockDataSize) { |
| SkASSERT(key.byte(headerOffset) == static_cast<int>(codeSnippetID)); |
| SkASSERT(key.byte(headerOffset+SkPaintParamsKey::kBlockSizeOffsetInBytes) == |
| SkPaintParamsKey::kBlockHeaderSizeInBytes + blockDataSize); |
| } |
| #endif |
| |
| // This can be used to catch errors in blocks that have a fixed, known block data size |
| void validate_block_header(const SkPaintParamsKeyBuilder* builder, |
| SkBuiltInCodeSnippetID codeSnippetID, |
| int blockDataSize) { |
| SkDEBUGCODE(int fullBlockSize = SkPaintParamsKey::kBlockHeaderSizeInBytes + blockDataSize;) |
| SkDEBUGCODE(int headerOffset = builder->sizeInBytes() - fullBlockSize;) |
| SkASSERT(builder->byte(headerOffset) == static_cast<int>(codeSnippetID)); |
| SkASSERT(builder->byte(headerOffset+SkPaintParamsKey::kBlockSizeOffsetInBytes) == |
| fullBlockSize); |
| } |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| void add_blendmode_to_key(SkPaintParamsKeyBuilder* builder, SkBlendMode bm) { |
| SkASSERT(static_cast<int>(bm) <= std::numeric_limits<uint8_t>::max()); |
| builder->addByte(static_cast<uint8_t>(bm)); |
| } |
| |
| #ifdef SK_DEBUG |
| SkBlendMode to_blendmode(uint8_t data) { |
| SkASSERT(data <= static_cast<int>(SkBlendMode::kLastMode)); |
| return static_cast<SkBlendMode>(data); |
| } |
| |
| SkTileMode to_tilemode(uint8_t data) { |
| SkASSERT(data <= static_cast<int>(SkTileMode::kLastTileMode)); |
| return static_cast<SkTileMode>(data); |
| } |
| #endif // SK_DEBUG |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| } // anonymous namespace |
| |
| //-------------------------------------------------------------------------------------------------- |
| namespace DepthStencilOnlyBlock { |
| |
| static const int kBlockDataSize = 0; |
| |
| void AddToKey(SkShaderCodeDictionary* /* dict */, |
| SkBackend /* backend */, |
| SkPaintParamsKeyBuilder* builder, |
| SkUniformBlock* /* uniformBlock */) { |
| builder->beginBlock(SkBuiltInCodeSnippetID::kDepthStencilOnlyDraw); |
| builder->endBlock(); |
| |
| validate_block_header(builder, |
| SkBuiltInCodeSnippetID::kDepthStencilOnlyDraw, |
| kBlockDataSize); |
| } |
| |
| #ifdef SK_DEBUG |
| void Dump(const SkPaintParamsKey& key, int headerOffset) { |
| #ifdef SK_GRAPHITE_ENABLED |
| validate_block_header_key(key, |
| headerOffset, |
| SkBuiltInCodeSnippetID::kDepthStencilOnlyDraw, |
| kBlockDataSize); |
| |
| SkDebugf("kDepthStencilOnlyDraw\n"); |
| #endif // SK_GRAPHITE_ENABLED |
| } |
| #endif // SK_DEBUG |
| |
| } // namespace DepthStencilOnlyBlock |
| |
| //-------------------------------------------------------------------------------------------------- |
| namespace SolidColorShaderBlock { |
| |
| namespace { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| static const int kBlockDataSize = 0; |
| |
| sk_sp<SkUniformData> make_solid_uniform_data(SkShaderCodeDictionary* dict, SkColor4f color) { |
| static constexpr size_t kExpectedNumUniforms = 1; |
| |
| SkSpan<const SkUniform> uniforms = dict->getUniforms(SkBuiltInCodeSnippetID::kSolidColorShader); |
| SkASSERT(uniforms.size() == kExpectedNumUniforms); |
| |
| skgpu::UniformManager mgr(skgpu::Layout::kMetal); |
| |
| size_t dataSize = mgr.writeUniforms(uniforms, nullptr, nullptr, nullptr); |
| |
| sk_sp<SkUniformData> result = SkUniformData::Make(uniforms, dataSize); |
| |
| const void* srcs[kExpectedNumUniforms] = { &color }; |
| |
| mgr.writeUniforms(result->uniforms(), srcs, result->offsets(), result->data()); |
| return result; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| } // anonymous namespace |
| |
| void AddToKey(SkShaderCodeDictionary* dict, |
| SkBackend backend, |
| SkPaintParamsKeyBuilder* builder, |
| SkUniformBlock* uniformBlock, |
| const SkColor4f& color) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (backend == SkBackend::kGraphite) { |
| builder->beginBlock(SkBuiltInCodeSnippetID::kSolidColorShader); |
| builder->endBlock(); |
| |
| validate_block_header(builder, |
| SkBuiltInCodeSnippetID::kSolidColorShader, |
| kBlockDataSize); |
| |
| if (uniformBlock) { |
| uniformBlock->add(make_solid_uniform_data(dict, color)); |
| } |
| return; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (backend == SkBackend::kSkVM || backend == SkBackend::kGanesh) { |
| // TODO: add implementation of other backends |
| } |
| |
| } |
| |
| #ifdef SK_DEBUG |
| void Dump(const SkPaintParamsKey& key, int headerOffset) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| validate_block_header_key(key, |
| headerOffset, |
| SkBuiltInCodeSnippetID::kSolidColorShader, |
| kBlockDataSize); |
| |
| SkDebugf("kSolidColorShader\n"); |
| #endif |
| |
| } |
| #endif |
| |
| } // namespace SolidColorShaderBlock |
| |
| //-------------------------------------------------------------------------------------------------- |
| namespace GradientShaderBlocks { |
| |
| namespace { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| static const int kBlockDataSize = 1; |
| static const int kExpectedNumGradientUniforms = 7; |
| |
| sk_sp<SkUniformData> make_gradient_uniform_data_common( |
| SkSpan<const SkUniform> uniforms, |
| const void* srcs[kExpectedNumGradientUniforms]) { |
| skgpu::UniformManager mgr(skgpu::Layout::kMetal); |
| |
| // TODO: Given that, for the sprint, we always know the uniforms we could cache 'dataSize' |
| // for each layout and skip the first call. |
| size_t dataSize = mgr.writeUniforms(uniforms, nullptr, nullptr, nullptr); |
| |
| sk_sp<SkUniformData> result = SkUniformData::Make(uniforms, dataSize); |
| |
| mgr.writeUniforms(result->uniforms(), srcs, result->offsets(), result->data()); |
| return result; |
| } |
| |
| sk_sp<SkUniformData> make_linear_gradient_uniform_data(SkShaderCodeDictionary* dict, |
| const GradientData& gradData) { |
| |
| auto uniforms = dict->getUniforms(SkBuiltInCodeSnippetID::kLinearGradientShader); |
| SkASSERT(uniforms.size() == kExpectedNumGradientUniforms); |
| |
| SkPoint padding{0, 0}; |
| const void* srcs[kExpectedNumGradientUniforms] = { |
| gradData.fColor4fs, |
| gradData.fOffsets, |
| &gradData.fPoints[0], |
| &gradData.fPoints[1], |
| &gradData.fRadii[0], // unused |
| &gradData.fRadii[1], // unused |
| &padding |
| }; |
| |
| return make_gradient_uniform_data_common(uniforms, srcs); |
| }; |
| |
| sk_sp<SkUniformData> make_radial_gradient_uniform_data(SkShaderCodeDictionary* dict, |
| const GradientData& gradData) { |
| |
| auto uniforms = dict->getUniforms(SkBuiltInCodeSnippetID::kRadialGradientShader); |
| SkASSERT(uniforms.size() == kExpectedNumGradientUniforms); |
| |
| SkPoint padding{0, 0}; |
| const void* srcs[kExpectedNumGradientUniforms] = { |
| gradData.fColor4fs, |
| gradData.fOffsets, |
| &gradData.fPoints[0], |
| &gradData.fPoints[1], // unused |
| &gradData.fRadii[0], |
| &gradData.fRadii[1], // unused |
| &padding |
| }; |
| |
| return make_gradient_uniform_data_common(uniforms, srcs); |
| }; |
| |
| sk_sp<SkUniformData> make_sweep_gradient_uniform_data(SkShaderCodeDictionary* dict, |
| const GradientData& gradData) { |
| |
| auto uniforms = dict->getUniforms(SkBuiltInCodeSnippetID::kSweepGradientShader); |
| SkASSERT(uniforms.size() == kExpectedNumGradientUniforms); |
| |
| SkPoint padding{0, 0}; |
| const void* srcs[kExpectedNumGradientUniforms] = { |
| gradData.fColor4fs, |
| gradData.fOffsets, |
| &gradData.fPoints[0], |
| &gradData.fPoints[1], // unused |
| &gradData.fRadii[0], // unused |
| &gradData.fRadii[1], // unused |
| &padding |
| }; |
| |
| return make_gradient_uniform_data_common(uniforms, srcs); |
| }; |
| |
| sk_sp<SkUniformData> make_conical_gradient_uniform_data(SkShaderCodeDictionary* dict, |
| const GradientData& gradData) { |
| |
| auto uniforms = dict->getUniforms(SkBuiltInCodeSnippetID::kConicalGradientShader); |
| SkASSERT(uniforms.size() == kExpectedNumGradientUniforms); |
| |
| SkPoint padding{0, 0}; |
| const void* srcs[kExpectedNumGradientUniforms] = { |
| gradData.fColor4fs, |
| gradData.fOffsets, |
| &gradData.fPoints[0], |
| &gradData.fPoints[1], |
| &gradData.fRadii[0], |
| &gradData.fRadii[1], |
| &padding, |
| }; |
| |
| return make_gradient_uniform_data_common(uniforms, srcs); |
| }; |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| } // anonymous namespace |
| |
| GradientData::GradientData(SkShader::GradientType type, |
| SkTileMode tm, |
| int numStops) |
| : fType(type) |
| , fPoints{{0.0f, 0.0f}, {0.0f, 0.0f}} |
| , fRadii{0.0f, 0.0f} |
| , fTM(tm) |
| , fNumStops(numStops) { |
| sk_bzero(fColor4fs, sizeof(fColor4fs)); |
| sk_bzero(fOffsets, sizeof(fOffsets)); |
| } |
| |
| GradientData::GradientData(SkShader::GradientType type, |
| SkPoint point0, SkPoint point1, |
| float radius0, float radius1, |
| SkTileMode tm, |
| int numStops, |
| SkColor4f* color4fs, |
| float* offsets) |
| : fType(type) |
| , 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 AddToKey(SkShaderCodeDictionary* dict, |
| SkBackend backend, |
| SkPaintParamsKeyBuilder *builder, |
| SkUniformBlock* uniformBlock, |
| const GradientData& gradData) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (backend == SkBackend::kGraphite) { |
| SkBuiltInCodeSnippetID codeSnippetID = SkBuiltInCodeSnippetID::kSolidColorShader; |
| switch (gradData.fType) { |
| case SkShader::kLinear_GradientType: |
| codeSnippetID = SkBuiltInCodeSnippetID::kLinearGradientShader; |
| if (uniformBlock) { |
| uniformBlock->add(make_linear_gradient_uniform_data(dict, gradData)); |
| } |
| break; |
| case SkShader::kRadial_GradientType: |
| codeSnippetID = SkBuiltInCodeSnippetID::kRadialGradientShader; |
| if (uniformBlock) { |
| uniformBlock->add(make_radial_gradient_uniform_data(dict, gradData)); |
| } |
| break; |
| case SkShader::kSweep_GradientType: |
| codeSnippetID = SkBuiltInCodeSnippetID::kSweepGradientShader; |
| if (uniformBlock) { |
| uniformBlock->add(make_sweep_gradient_uniform_data(dict, gradData)); |
| } |
| break; |
| case SkShader::GradientType::kConical_GradientType: |
| codeSnippetID = SkBuiltInCodeSnippetID::kConicalGradientShader; |
| if (uniformBlock) { |
| uniformBlock->add(make_conical_gradient_uniform_data(dict, gradData)); |
| } |
| break; |
| case SkShader::GradientType::kColor_GradientType: |
| case SkShader::GradientType::kNone_GradientType: |
| default: |
| SkASSERT(0); |
| break; |
| } |
| |
| builder->beginBlock(codeSnippetID); |
| |
| SkASSERT(static_cast<int>(gradData.fTM) <= std::numeric_limits<uint8_t>::max()); |
| builder->addByte(static_cast<uint8_t>(gradData.fTM)); |
| |
| builder->endBlock(); |
| |
| validate_block_header(builder, codeSnippetID, kBlockDataSize); |
| return; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (backend == SkBackend::kSkVM || backend == SkBackend::kGanesh) { |
| // TODO: add implementation of other backends |
| SolidColorShaderBlock::AddToKey(dict, backend, builder, uniformBlock, SkColors::kRed); |
| } |
| } |
| |
| #ifdef SK_DEBUG |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| |
| std::pair<SkBuiltInCodeSnippetID, SkTileMode> ExtractFromKey(const SkPaintParamsKey& key, |
| uint32_t headerOffset) { |
| SkBuiltInCodeSnippetID id = read_code_snippet_id(key, headerOffset); |
| |
| SkASSERT(id == SkBuiltInCodeSnippetID::kLinearGradientShader || |
| id == SkBuiltInCodeSnippetID::kRadialGradientShader || |
| id == SkBuiltInCodeSnippetID::kSweepGradientShader || |
| id == SkBuiltInCodeSnippetID::kConicalGradientShader); |
| SkASSERT(key.byte(headerOffset+SkPaintParamsKey::kBlockSizeOffsetInBytes) == |
| SkPaintParamsKey::kBlockHeaderSizeInBytes+kBlockDataSize); |
| |
| uint8_t data = key.byte(headerOffset + SkPaintParamsKey::kBlockHeaderSizeInBytes); |
| SkTileMode tm = to_tilemode(data); |
| |
| return { id, tm }; |
| } |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| void Dump(const SkPaintParamsKey& key, int headerOffset) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| auto [id, tm] = ExtractFromKey(key, headerOffset); |
| |
| switch (id) { |
| case SkBuiltInCodeSnippetID::kLinearGradientShader: |
| SkDebugf("kLinearGradientShader: %s\n", SkTileModeToStr(tm)); |
| break; |
| case SkBuiltInCodeSnippetID::kRadialGradientShader: |
| SkDebugf("kRadialGradientShader: %s\n", SkTileModeToStr(tm)); |
| break; |
| case SkBuiltInCodeSnippetID::kSweepGradientShader: |
| SkDebugf("kSweepGradientShader: %s\n", SkTileModeToStr(tm)); |
| break; |
| case SkBuiltInCodeSnippetID::kConicalGradientShader: |
| SkDebugf("kConicalGradientShader: %s\n", SkTileModeToStr(tm)); |
| break; |
| default: |
| SkDebugf("Unknown!!\n"); |
| break; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| } |
| #endif |
| |
| } // namespace GradientShaderBlocks |
| |
| //-------------------------------------------------------------------------------------------------- |
| namespace ImageShaderBlock { |
| |
| namespace { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| |
| inline static constexpr int kTileModeBits = 2; |
| |
| static const int kXTileModeShift = 0; |
| static const int kYTileModeShift = kTileModeBits; |
| |
| #ifdef SK_DEBUG |
| static const int kBlockDataSize = 1; |
| |
| inline static constexpr int kTileModeMask = 0x3; |
| |
| ImageData ExtractFromKey(const SkPaintParamsKey& key, uint32_t headerOffset) { |
| validate_block_header_key(key, |
| headerOffset, |
| SkBuiltInCodeSnippetID::kImageShader, |
| kBlockDataSize); |
| |
| uint8_t data = key.byte(headerOffset+SkPaintParamsKey::kBlockHeaderSizeInBytes); |
| |
| SkTileMode tmX = to_tilemode(((data) >> kXTileModeShift) & kTileModeMask); |
| SkTileMode tmY = to_tilemode(((data) >> kYTileModeShift) & kTileModeMask); |
| |
| return { tmX, tmY }; |
| } |
| #endif // SK_DEBUG |
| |
| sk_sp<SkUniformData> make_image_uniform_data(SkShaderCodeDictionary* dict, |
| const ImageData& imgData) { |
| SkDEBUGCODE(static constexpr size_t kExpectedNumUniforms = 0;) |
| |
| SkSpan<const SkUniform> uniforms = dict->getUniforms(SkBuiltInCodeSnippetID::kImageShader); |
| SkASSERT(uniforms.size() == kExpectedNumUniforms); |
| |
| skgpu::UniformManager mgr(skgpu::Layout::kMetal); |
| |
| size_t dataSize = mgr.writeUniforms(uniforms, nullptr, nullptr, nullptr); |
| |
| sk_sp<SkUniformData> result = SkUniformData::Make(uniforms, dataSize); |
| |
| // TODO: add the required data to ImageData and assemble the uniforms here |
| |
| mgr.writeUniforms(result->uniforms(), nullptr, result->offsets(), result->data()); |
| return result; |
| } |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| } // anonymous namespace |
| |
| void AddToKey(SkShaderCodeDictionary* dict, |
| SkBackend backend, |
| SkPaintParamsKeyBuilder* builder, |
| SkUniformBlock* uniformBlock, |
| const ImageData& imgData) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (backend == SkBackend::kGraphite) { |
| |
| uint8_t data = (static_cast<uint8_t>(imgData.fTileModes[0]) << kXTileModeShift) | |
| (static_cast<uint8_t>(imgData.fTileModes[1]) << kYTileModeShift); |
| |
| builder->beginBlock(SkBuiltInCodeSnippetID::kImageShader); |
| |
| builder->addByte(data); |
| |
| builder->endBlock(); |
| |
| if (uniformBlock) { |
| uniformBlock->add(make_image_uniform_data(dict, imgData)); |
| } |
| return; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (backend == SkBackend::kSkVM || backend == SkBackend::kGanesh) { |
| // TODO: add implementation for other backends |
| SolidColorShaderBlock::AddToKey(dict, backend, builder, uniformBlock, SkColors::kRed); |
| } |
| } |
| |
| #ifdef SK_DEBUG |
| void Dump(const SkPaintParamsKey& key, int headerOffset) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| ImageData imgData = ExtractFromKey(key, headerOffset); |
| |
| SkDebugf("kImageShader: tileModes(%s, %s) ", |
| SkTileModeToStr(imgData.fTileModes[0]), |
| SkTileModeToStr(imgData.fTileModes[1])); |
| #endif // SK_GRAPHITE_ENABLED |
| |
| } |
| #endif // SK_DEBUG |
| |
| } // namespace ImageShaderBlock |
| |
| //-------------------------------------------------------------------------------------------------- |
| namespace BlendShaderBlock { |
| |
| void AddToKey(SkShaderCodeDictionary* dict, |
| SkBackend backend, |
| SkPaintParamsKeyBuilder *builder, |
| SkUniformBlock* uniformBlock, |
| const BlendData& blendData) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (backend == SkBackend::kGraphite) { |
| builder->beginBlock(SkBuiltInCodeSnippetID::kBlendShader); |
| |
| // Child blocks always go right after the parent block's header |
| // TODO: add startChild/endChild entry points to SkPaintParamsKeyBuilder. They could be |
| // used to compute and store the number of children w/in a block's header. |
| int start = builder->sizeInBytes(); |
| as_SB(blendData.fDst)->addToKey(dict, backend, builder, uniformBlock); |
| int firstShaderSize = builder->sizeInBytes() - start; |
| |
| start = builder->sizeInBytes(); |
| as_SB(blendData.fSrc)->addToKey(dict, backend, builder, uniformBlock); |
| int secondShaderSize = builder->sizeInBytes() - start; |
| |
| add_blendmode_to_key(builder, blendData.fBM); |
| |
| builder->endBlock(); |
| |
| int expectedBlockSize = 1 + firstShaderSize + secondShaderSize; |
| validate_block_header(builder, |
| SkBuiltInCodeSnippetID::kBlendShader, |
| expectedBlockSize); |
| return; |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| if (backend == SkBackend::kSkVM || backend == SkBackend::kGanesh) { |
| // TODO: add implementation for other backends |
| SolidColorShaderBlock::AddToKey(dict, backend, builder, uniformBlock, SkColors::kRed); |
| } |
| } |
| |
| #ifdef SK_DEBUG |
| void Dump(const SkPaintParamsKey& key, int headerOffset) { |
| #ifdef SK_GRAPHITE_ENABLED |
| auto [id, storedBlockSize] = key.readCodeSnippetID(headerOffset); |
| SkASSERT(id == SkBuiltInCodeSnippetID::kBlendShader); |
| |
| int runningOffset = headerOffset + SkPaintParamsKey::kBlockHeaderSizeInBytes; |
| |
| SkDebugf("\nDst: "); |
| int firstBlockSize = SkPaintParamsKey::DumpBlock(key, runningOffset); |
| runningOffset += firstBlockSize; |
| |
| SkDebugf("Src: "); |
| int secondBlockSize = SkPaintParamsKey::DumpBlock(key, runningOffset); |
| runningOffset += secondBlockSize; |
| |
| uint8_t data = key.byte(runningOffset); |
| SkBlendMode bm = to_blendmode(data); |
| |
| SkDebugf("BlendMode: %s\n", SkBlendMode_Name(bm)); |
| runningOffset += 1; // 1 byte for blendmode |
| |
| int calculatedBlockSize = SkPaintParamsKey::kBlockHeaderSizeInBytes + |
| firstBlockSize + secondBlockSize + 1; |
| SkASSERT(calculatedBlockSize == storedBlockSize); |
| #endif// SK_GRAPHITE_ENABLED |
| } |
| #endif |
| |
| } // namespace BlendShaderBlock |
| |
| //-------------------------------------------------------------------------------------------------- |
| namespace BlendModeBlock { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| static const int kBlockDataSize = 1; |
| #endif |
| |
| void AddToKey(SkShaderCodeDictionary* dict, |
| SkBackend backend, |
| SkPaintParamsKeyBuilder *builder, |
| SkUniformBlock* uniformBlock, |
| SkBlendMode bm) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| if (backend == SkBackend::kGraphite) { |
| builder->beginBlock(SkBuiltInCodeSnippetID::kSimpleBlendMode); |
| add_blendmode_to_key(builder, bm); |
| builder->endBlock(); |
| |
| validate_block_header(builder, |
| SkBuiltInCodeSnippetID::kSimpleBlendMode, |
| kBlockDataSize); |
| return; |
| } |
| #endif// SK_GRAPHITE_ENABLED |
| |
| if (backend == SkBackend::kSkVM || backend == SkBackend::kGanesh) { |
| // TODO: add implementation for other backends |
| SolidColorShaderBlock::AddToKey(dict, backend, builder, uniformBlock, SkColors::kRed); |
| } |
| } |
| |
| #ifdef SK_DEBUG |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| SkBlendMode ExtractFromKey(const SkPaintParamsKey& key, uint32_t headerOffset) { |
| validate_block_header_key(key, |
| headerOffset, |
| SkBuiltInCodeSnippetID::kSimpleBlendMode, |
| kBlockDataSize); |
| |
| uint8_t data = key.byte(headerOffset + SkPaintParamsKey::kBlockHeaderSizeInBytes); |
| return to_blendmode(data); |
| } |
| #endif // SK_GRAPHITE_ENABLED |
| |
| void Dump(const SkPaintParamsKey& key, int headerOffset) { |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| SkBlendMode bm = ExtractFromKey(key, headerOffset); |
| |
| SkDebugf("kSimpleBlendMode: %s\n", SkBlendMode_Name(bm)); |
| #endif |
| |
| } |
| #endif |
| |
| } // namespace BlendModeBlock |
| |
| //-------------------------------------------------------------------------------------------------- |
| #ifdef SK_GRAPHITE_ENABLED |
| std::unique_ptr<SkPaintParamsKey> CreateKey(SkShaderCodeDictionary* dict, |
| SkBackend backend, |
| skgpu::ShaderCombo::ShaderType s, |
| SkTileMode tm, |
| SkBlendMode bm) { |
| SkPaintParamsKeyBuilder builder(dict); |
| |
| switch (s) { |
| case skgpu::ShaderCombo::ShaderType::kNone: |
| DepthStencilOnlyBlock::AddToKey(dict, backend, &builder, nullptr); |
| break; |
| case skgpu::ShaderCombo::ShaderType::kSolidColor: |
| SolidColorShaderBlock::AddToKey(dict, backend, &builder, nullptr, SkColors::kRed); |
| break; |
| case skgpu::ShaderCombo::ShaderType::kLinearGradient: |
| GradientShaderBlocks::AddToKey(dict, backend, &builder, nullptr, |
| { SkShader::kLinear_GradientType, tm, 0 }); |
| break; |
| case skgpu::ShaderCombo::ShaderType::kRadialGradient: |
| GradientShaderBlocks::AddToKey(dict, backend, &builder, nullptr, |
| { SkShader::kRadial_GradientType, tm, 0 }); |
| break; |
| case skgpu::ShaderCombo::ShaderType::kSweepGradient: |
| GradientShaderBlocks::AddToKey(dict, backend, &builder, nullptr, |
| { SkShader::kSweep_GradientType, tm, 0 }); |
| break; |
| case skgpu::ShaderCombo::ShaderType::kConicalGradient: |
| GradientShaderBlocks::AddToKey(dict, backend, &builder, nullptr, |
| { SkShader::kConical_GradientType, tm, 0 }); |
| break; |
| } |
| |
| BlendModeBlock::AddToKey(dict, backend, &builder, nullptr, bm); |
| return builder.snap(); |
| } |
| #endif |
