skgpu::graphite::GradientShaderBlocks Struct Reference

#include <KeyHelpers.h>

Classes
struct	GradientData

Static Public Member Functions
static void	AddBlock (const KeyContext &, PaintParamsKeyBuilder *, PipelineDataGatherer *, const GradientData &)

Detailed Description

Definition at line 86 of file KeyHelpers.h.

Member Function Documentation

AddBlock()

void skgpu::graphite::GradientShaderBlocks::AddBlock ( const KeyContext &  keyContext, PaintParamsKeyBuilder *  builder, PipelineDataGatherer *  gatherer, const GradientData &  gradData  )

static

Definition at line 410 of file KeyHelpers.cpp.

                                                                  {
    auto dict = keyContext.dict();
 
    int bufferOffset = 0;
    if (gradData.fNumStops > GradientData::kNumInternalStorageStops && keyContext.recorder()) {
        if (gradData.fUseStorageBuffer) {
            bufferOffset = write_color_and_offset_bufdata(gradData.fNumStops,
                                                          gradData.fSrcColors,
                                                          gradData.fSrcOffsets,
                                                          gradData.fSrcShader,
                                                          gatherer);
        } else {
            SkASSERT(gradData.fColorsAndOffsetsProxy);
            static constexpr SkTileMode kClampTiling[2] = {SkTileMode::kClamp, SkTileMode::kClamp};
            gatherer->add(gradData.fColorsAndOffsetsProxy, {SkFilterMode::kNearest, kClampTiling});
        }
    }
 
    BuiltInCodeSnippetID codeSnippetID = BuiltInCodeSnippetID::kSolidColorShader;
    switch (gradData.fType) {
        case SkShaderBase::GradientType::kLinear:
            codeSnippetID =
                    gradData.fNumStops <= 4 ? BuiltInCodeSnippetID::kLinearGradientShader4
                    : gradData.fNumStops <= 8 ? BuiltInCodeSnippetID::kLinearGradientShader8
                        : gradData.fUseStorageBuffer
                            ? BuiltInCodeSnippetID::kLinearGradientShaderBuffer
                            : BuiltInCodeSnippetID::kLinearGradientShaderTexture;
            add_linear_gradient_uniform_data(dict, codeSnippetID, gradData, bufferOffset, gatherer);
            break;
        case SkShaderBase::GradientType::kRadial:
            codeSnippetID =
                    gradData.fNumStops <= 4 ? BuiltInCodeSnippetID::kRadialGradientShader4
                    : gradData.fNumStops <= 8 ? BuiltInCodeSnippetID::kRadialGradientShader8
                        : gradData.fUseStorageBuffer
                            ? BuiltInCodeSnippetID::kRadialGradientShaderBuffer
                            : BuiltInCodeSnippetID::kRadialGradientShaderTexture;
            add_radial_gradient_uniform_data(dict, codeSnippetID, gradData, bufferOffset, gatherer);
            break;
        case SkShaderBase::GradientType::kSweep:
            codeSnippetID =
                    gradData.fNumStops <= 4 ? BuiltInCodeSnippetID::kSweepGradientShader4
                    : gradData.fNumStops <= 8 ? BuiltInCodeSnippetID::kSweepGradientShader8
                        : gradData.fUseStorageBuffer
                            ? BuiltInCodeSnippetID::kSweepGradientShaderBuffer
                            : BuiltInCodeSnippetID::kSweepGradientShaderTexture;
            add_sweep_gradient_uniform_data(dict, codeSnippetID, gradData, bufferOffset, gatherer);
            break;
        case SkShaderBase::GradientType::kConical:
            codeSnippetID =
                    gradData.fNumStops <= 4 ? BuiltInCodeSnippetID::kConicalGradientShader4
                    : gradData.fNumStops <= 8 ? BuiltInCodeSnippetID::kConicalGradientShader8
                        : gradData.fUseStorageBuffer
                            ? BuiltInCodeSnippetID::kConicalGradientShaderBuffer
                            : BuiltInCodeSnippetID::kConicalGradientShaderTexture;
            add_conical_gradient_uniform_data(dict, codeSnippetID, gradData, bufferOffset, gatherer);
            break;
        case SkShaderBase::GradientType::kNone:
        default:
            SkDEBUGFAIL("Expected a gradient shader, but it wasn't one.");
            break;
    }
 
    builder->addBlock(codeSnippetID);
}

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The documentation for this struct was generated from the following files:

• third_party/skia/src/gpu/graphite/KeyHelpers.h
• third_party/skia/src/gpu/graphite/KeyHelpers.cpp