Inheritance diagram for ShaderPDXferProcessor:

Public Member Functions
	ShaderPDXferProcessor (SkBlendMode xfermode, GrProcessorAnalysisCoverage coverage)

const char *	name () const override

std::unique_ptr< ProgramImpl >	makeProgramImpl () const override

Public Member Functions inherited from GrXferProcessor
void	addToKey (const GrShaderCaps &, skgpu::KeyBuilder , const GrSurfaceOrigin originIfDstTexture, bool usesInputAttachmentForDstRead) const

virtual std::unique_ptr< ProgramImpl >	makeProgramImpl () const =0

virtual GrXferBarrierType	xferBarrierType (const GrCaps &caps) const

skgpu::BlendInfo	getBlendInfo () const

bool	willReadDstColor () const

bool	hasSecondaryOutput () const

bool	isLCD () const

bool	isEqual (const GrXferProcessor &that) const

Public Member Functions inherited from GrProcessor
virtual	~GrProcessor ()=default

virtual const char *	name () const =0

void *	operator new (size_t size)

void *	operator new (size_t object_size, size_t footer_size)

void	operator delete (void *target)

void *	operator new (size_t size, void *placement)

void	operator delete (void target, void placement)

template<typename T >
const T &	cast () const

ClassID	classID () const

Public Member Functions inherited from GrNonAtomicRef< GrXferProcessor >
	GrNonAtomicRef ()

bool	unique () const

int	refCnt () const

void	ref () const

void	unref () const

Public Member Functions inherited from SkNoncopyable
	SkNoncopyable ()=default

	SkNoncopyable (SkNoncopyable &&)=default

SkNoncopyable &	operator= (SkNoncopyable &&)=default

Additional Inherited Members
Public Types inherited from GrProcessor
enum	ClassID { kNull_ClassID , kAttributeTestProcessor_ClassID , kBigKeyProcessor_ClassID , kBlendFragmentProcessor_ClassID , kBlockInputFragmentProcessor_ClassID , kButtCapStrokedCircleGeometryProcessor_ClassID , kCircleGeometryProcessor_ClassID , kCircularRRectEffect_ClassID , kClockwiseTestProcessor_ClassID , kColorTableEffect_ClassID , kCoverageSetOpXP_ClassID , kCustomXP_ClassID , kDashingCircleEffect_ClassID , kDashingLineEffect_ClassID , kDefaultGeoProc_ClassID , kDeviceSpace_ClassID , kDIEllipseGeometryProcessor_ClassID , kDisableColorXP_ClassID , kDrawAtlasPathShader_ClassID , kEllipseGeometryProcessor_ClassID , kEllipticalRRectEffect_ClassID , kFwidthSquircleTestProcessor_ClassID , kGP_ClassID , kGrBicubicEffect_ClassID , kGrBitmapTextGeoProc_ClassID , kGrColorSpaceXformEffect_ClassID , kGrConicEffect_ClassID , kGrConvexPolyEffect_ClassID , kGrDiffuseLightingEffect_ClassID , kGrDisplacementMapEffect_ClassID , kGrDistanceFieldA8TextGeoProc_ClassID , kGrDistanceFieldLCDTextGeoProc_ClassID , kGrDistanceFieldPathGeoProc_ClassID , kGrFillRRectOp_Processor_ClassID , kGrGaussianConvolutionFragmentProcessor_ClassID , kGrMatrixConvolutionEffect_ClassID , kGrMatrixEffect_ClassID , kGrMeshTestProcessor_ClassID , kGrMorphologyEffect_ClassID , kGrPerlinNoise2Effect_ClassID , kGrPipelineDynamicStateTestProcessor_ClassID , kGrQuadEffect_ClassID , kGrRRectShadowGeoProc_ClassID , kGrSkSLFP_ClassID , kGrSpecularLightingEffect_ClassID , kGrTextureEffect_ClassID , kGrUnrolledBinaryGradientColorizer_ClassID , kGrYUVtoRGBEffect_ClassID , kHighPrecisionFragmentProcessor_ClassID , kLatticeGP_ClassID , kPDLCDXferProcessor_ClassID , kPorterDuffXferProcessor_ClassID , kPremulFragmentProcessor_ClassID , kQuadEdgeEffect_ClassID , kQuadPerEdgeAAGeometryProcessor_ClassID , kSeriesFragmentProcessor_ClassID , kShaderPDXferProcessor_ClassID , kSurfaceColorProcessor_ClassID , kSwizzleFragmentProcessor_ClassID , kTessellate_BoundingBoxShader_ClassID , kTessellate_GrModulateAtlasCoverageEffect_ClassID , kTessellate_GrStrokeTessellationShader_ClassID , kTessellate_HullShader_ClassID , kTessellate_MiddleOutShader_ClassID , kTessellate_SimpleTriangleShader_ClassID , kTessellationTestTriShader_ClassID , kTestFP_ClassID , kTestRectOp_ClassID , kVertexColorSpaceBenchGP_ClassID , kVerticesGP_ClassID }

Protected Member Functions inherited from GrXferProcessor
	GrXferProcessor (ClassID classID)

	GrXferProcessor (ClassID classID, bool willReadDstColor, GrProcessorAnalysisCoverage)

Protected Member Functions inherited from GrProcessor
	GrProcessor (ClassID classID)

	GrProcessor (const GrProcessor &)=delete

GrProcessor &	operator= (const GrProcessor &)=delete

Protected Attributes inherited from GrProcessor
const ClassID	fClassID

Detailed Description

Definition at line 139 of file GrPorterDuffXferProcessor.cpp.

Constructor & Destructor Documentation

◆ ShaderPDXferProcessor()

ShaderPDXferProcessor::ShaderPDXferProcessor	(	SkBlendMode	xfermode,
		GrProcessorAnalysisCoverage	coverage
	)

inline

Definition at line 141 of file GrPorterDuffXferProcessor.cpp.

            : INHERITED(kShaderPDXferProcessor_ClassID, /*willReadDstColor=*/true, coverage)
            , fXfermode(xfermode) {
    }

Member Function Documentation

◆ makeProgramImpl()

std::unique_ptr< GrXferProcessor::ProgramImpl > ShaderPDXferProcessor::makeProgramImpl ( ) const

overridevirtual

Returns a new instance of the appropriate GL implementation class for the given GrXferProcessor; caller is responsible for deleting the object.

Implements GrXferProcessor.

Definition at line 170 of file GrPorterDuffXferProcessor.cpp.

                                                                                       {
    class Impl : public ProgramImpl {
    private:
        void emitBlendCodeForDstRead(GrGLSLXPFragmentBuilder* fragBuilder,
                                     GrGLSLUniformHandler* uniformHandler,
                                     const char* srcColor,
                                     const char* srcCoverage,
                                     const char* dstColor,
                                     const char* outColor,
                                     const char* outColorSecondary,
                                     const GrXferProcessor& proc) override {
            const ShaderPDXferProcessor& xp = proc.cast<ShaderPDXferProcessor>();
 
            std::string blendExpr = GrGLSLBlend::BlendExpression(
                    &xp, uniformHandler, &fBlendUniform, srcColor, dstColor, xp.fXfermode);
            fragBuilder->codeAppendf("%s = %s;", outColor, blendExpr.c_str());
 
            // Apply coverage.
            DefaultCoverageModulation(fragBuilder,
                                      srcCoverage,
                                      dstColor,
                                      outColor,
                                      outColorSecondary,
                                      xp);
        }
 
        void onSetData(const GrGLSLProgramDataManager& pdman,
                       const GrXferProcessor& proc) override {
            if (fBlendUniform.isValid()) {
                const ShaderPDXferProcessor& xp = proc.cast<ShaderPDXferProcessor>();
                GrGLSLBlend::SetBlendModeUniformData(pdman, fBlendUniform, xp.fXfermode);
            }
        }
 
        GrGLSLUniformHandler::UniformHandle fBlendUniform;
    };
 
    return std::make_unique<Impl>();
}

◆ name()

const char * ShaderPDXferProcessor::name ( ) const

inlineoverridevirtual

Human-meaningful string to identify this processor; may be embedded in generated shader code and must be a legal SkSL identifier prefix.

Implements GrProcessor.

Definition at line 146 of file GrPorterDuffXferProcessor.cpp.

146{ return "Porter Duff Shader"; }

The documentation for this class was generated from the following file:

third_party/skia/src/gpu/ganesh/effects/GrPorterDuffXferProcessor.cpp