Inheritance diagram for skgpu::graphite::PrecompileBlendShader:

Public Member Functions
	PrecompileBlendShader (SkSpan< const sk_sp< PrecompileBlender > > runtimeBlendEffects, SkSpan< const sk_sp< PrecompileShader > > dsts, SkSpan< const sk_sp< PrecompileShader > > srcs, bool needsPorterDuffBased, bool needsSeparableMode)

Public Member Functions inherited from skgpu::graphite::PrecompileShader
	PrecompileShader ()

virtual bool	isConstant (int desiredCombination) const

sk_sp< PrecompileShader >	makeWithLocalMatrix ()

sk_sp< PrecompileShader >	makeWithColorFilter (sk_sp< PrecompileColorFilter >)

sk_sp< PrecompileShader >	makeWithWorkingColorSpace (sk_sp< SkColorSpace >)

sk_sp< PrecompileShader >	makeWithCTM ()

Public Member Functions inherited from skgpu::graphite::PrecompileBase
	PrecompileBase (Type type)

Type	type () const

virtual int	numIntrinsicCombinations () const

int	numCombinations () const

PrecompileBasePriv	priv ()

const PrecompileBasePriv	priv () const

Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()

virtual	~SkRefCntBase ()

bool	unique () const

void	ref () const

void	unref () const

Private Member Functions
int	numChildCombinations () const override

void	addToKey (const KeyContext &keyContext, PaintParamsKeyBuilder builder, PipelineDataGatherer gatherer, int desiredCombination) const override

Additional Inherited Members
Public Types inherited from skgpu::graphite::PrecompileBase
enum class	Type { kBlender , kColorFilter , kImageFilter , kMaskFilter , kShader }

Static Protected Member Functions inherited from skgpu::graphite::PrecompileBase
template<typename T >
static std::pair< sk_sp< T >, int >	SelectOption (SkSpan< const sk_sp< T > > options, int desiredOption)

template<typename T >
static void	AddToKey (const KeyContext &, PaintParamsKeyBuilder , PipelineDataGatherer , SkSpan< const sk_sp< T > > options, int desiredOption)

Detailed Description

Definition at line 182 of file FactoryFunctions.cpp.

Constructor & Destructor Documentation

◆ PrecompileBlendShader()

skgpu::graphite::PrecompileBlendShader::PrecompileBlendShader	(	SkSpan< const sk_sp< PrecompileBlender > >	runtimeBlendEffects,
		SkSpan< const sk_sp< PrecompileShader > >	dsts,
		SkSpan< const sk_sp< PrecompileShader > >	srcs,
		bool	needsPorterDuffBased,
		bool	needsSeparableMode
	)

inline

Definition at line 184 of file FactoryFunctions.cpp.

            : fRuntimeBlendEffects(runtimeBlendEffects.begin(), runtimeBlendEffects.end())
            , fDstOptions(dsts.begin(), dsts.end())
            , fSrcOptions(srcs.begin(), srcs.end()) {
 
        fNumBlenderCombos = 0;
        for (const auto& rt : fRuntimeBlendEffects) {
            fNumBlenderCombos += rt->numCombinations();
        }
        if (needsPorterDuffBased) {
            ++fNumBlenderCombos;
        }
        if (needsSeparableMode) {
            ++fNumBlenderCombos;
        }
 
        SkASSERT(fNumBlenderCombos >= 1);
 
        fNumDstCombos = 0;
        for (const auto& d : fDstOptions) {
            fNumDstCombos += d->numCombinations();
        }
 
        fNumSrcCombos = 0;
        for (const auto& s : fSrcOptions) {
            fNumSrcCombos += s->numCombinations();
        }
 
        if (needsPorterDuffBased) {
            fPorterDuffIndex = 0;
            if (needsSeparableMode) {
                fSeparableModeIndex = 1;
                if (!fRuntimeBlendEffects.empty()) {
                    fBlenderIndex = 2;
                }
            } else if (!fRuntimeBlendEffects.empty()) {
                fBlenderIndex = 1;
            }
        } else if (needsSeparableMode) {
            fSeparableModeIndex = 0;
            if (!fRuntimeBlendEffects.empty()) {
                fBlenderIndex = 1;
            }
        } else {
            SkASSERT(!fRuntimeBlendEffects.empty());
            fBlenderIndex = 0;
        }
    }

Member Function Documentation

◆ addToKey()

void skgpu::graphite::PrecompileBlendShader::addToKey	(	const KeyContext &	keyContext,
		PaintParamsKeyBuilder *	builder,
		PipelineDataGatherer *	gatherer,
		int	desiredCombination
	)		const

inlineoverrideprivatevirtual

Implements skgpu::graphite::PrecompileBase.

Definition at line 242 of file FactoryFunctions.cpp.

                                                         {
        SkASSERT(desiredCombination < this->numCombinations());
 
        const int desiredDstCombination = desiredCombination % fNumDstCombos;
        int remainingCombinations = desiredCombination / fNumDstCombos;
 
        const int desiredSrcCombination = remainingCombinations % fNumSrcCombos;
        remainingCombinations /= fNumSrcCombos;
 
        int desiredBlendCombination = remainingCombinations;
        SkASSERT(desiredBlendCombination < fNumBlenderCombos);
 
        if (desiredBlendCombination == fPorterDuffIndex ||
            desiredBlendCombination == fSeparableModeIndex) {
            BlendShaderBlock::BeginBlock(keyContext, builder, gatherer);
 
        } else {
            const SkRuntimeEffect* blendEffect =
                    GetKnownRuntimeEffect(SkKnownRuntimeEffects::StableKey::kBlend);
 
            RuntimeEffectBlock::BeginBlock(keyContext, builder, gatherer,
                                           { sk_ref_sp(blendEffect) });
            SkASSERT(desiredBlendCombination >= fBlenderIndex);
            desiredBlendCombination -= fBlenderIndex;
        }
 
        AddToKey<PrecompileShader>(keyContext, builder, gatherer, fSrcOptions,
                                   desiredSrcCombination);
        AddToKey<PrecompileShader>(keyContext, builder, gatherer, fDstOptions,
                                   desiredDstCombination);
 
        if (desiredBlendCombination == fPorterDuffIndex) {
            CoeffBlenderBlock::AddBlock(keyContext, builder, gatherer,
                                        { 0.0f, 0.0f, 0.0f, 0.0f }); // coeffs aren't used
        } else if (desiredBlendCombination == fSeparableModeIndex) {
            BlendModeBlenderBlock::AddBlock(keyContext, builder, gatherer,
                                            SkBlendMode::kOverlay); // the blendmode is unused
        } else {
            AddToKey<PrecompileBlender>(keyContext, builder, gatherer, fRuntimeBlendEffects,
                                        desiredBlendCombination);
        }
 
        builder->endBlock();  // BlendShaderBlock or RuntimeEffectBlock
    }

◆ numChildCombinations()

int skgpu::graphite::PrecompileBlendShader::numChildCombinations ( ) const

inlineoverrideprivatevirtual

Reimplemented from skgpu::graphite::PrecompileBase.

Definition at line 238 of file FactoryFunctions.cpp.

                                              {
        return fNumBlenderCombos * fNumDstCombos * fNumSrcCombos;
    }

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

third_party/skia/src/gpu/graphite/FactoryFunctions.cpp

Public Member Functions