SkRuntimeBlender Class Reference

#include <SkRuntimeBlender.h>

Inheritance diagram for SkRuntimeBlender:

Public Member Functions
	SkRuntimeBlender (sk_sp< SkRuntimeEffect > effect, sk_sp< const SkData > uniforms, SkSpan< const SkRuntimeEffect::ChildPtr > children)
SkRuntimeEffect *	asRuntimeEffect () const override
BlenderType	type () const override
bool	onAppendStages (const SkStageRec &rec) const override
void	flatten (SkWriteBuffer &buffer) const override
sk_sp< SkRuntimeEffect >	effect () const
sk_sp< const SkData >	uniforms () const
SkSpan< const SkRuntimeEffect::ChildPtr >	children () const
Public Member Functions inherited from SkBlenderBase
virtual std::optional< SkBlendMode >	asBlendMode () const
bool	affectsTransparentBlack () const
bool	appendStages (const SkStageRec &rec) const
virtual bool	onAppendStages (const SkStageRec &rec) const =0
virtual SkRuntimeEffect *	asRuntimeEffect () const
SkFlattenable::Type	getFlattenableType () const override
virtual BlenderType	type () const =0
Public Member Functions inherited from SkFlattenable
	SkFlattenable ()
virtual Factory	getFactory () const =0
virtual const char *	getTypeName () const =0
virtual void	flatten (SkWriteBuffer &) const
virtual Type	getFlattenableType () const =0
sk_sp< SkData >	serialize (const SkSerialProcs *=nullptr) const
size_t	serialize (void *memory, size_t memory_size, const SkSerialProcs *=nullptr) const
Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()
virtual	~SkRefCntBase ()
bool	unique () const
void	ref () const
void	unref () const

Additional Inherited Members
Public Types inherited from SkBlenderBase
enum class	BlenderType { M }
Public Types inherited from SkFlattenable
enum	Type {   kSkColorFilter_Type , kSkBlender_Type , kSkDrawable_Type , kSkDrawLooper_Type ,   kSkImageFilter_Type , kSkMaskFilter_Type , kSkPathEffect_Type , kSkShader_Type }
typedef sk_sp< SkFlattenable >(*	Factory) (SkReadBuffer &)
Static Public Member Functions inherited from SkBlenderBase
static SkFlattenable::Type	GetFlattenableType ()
Static Public Member Functions inherited from SkBlender
static sk_sp< SkBlender >	Mode (SkBlendMode mode)
Static Public Member Functions inherited from SkFlattenable
static Factory	NameToFactory (const char name[])
static const char *	FactoryToName (Factory)
static void	Register (const char name[], Factory)
static sk_sp< SkFlattenable >	Deserialize (Type, const void *data, size_t length, const SkDeserialProcs *procs=nullptr)

Detailed Description

Definition at line 24 of file SkRuntimeBlender.h.

Constructor & Destructor Documentation

SkRuntimeBlender()

SkRuntimeBlender::SkRuntimeBlender ( sk_sp< SkRuntimeEffect >  effect, sk_sp< const SkData >  uniforms, SkSpan< const SkRuntimeEffect::ChildPtr >  children  )

inline

Definition at line 26 of file SkRuntimeBlender.h.

            : fEffect(std::move(effect))
            , fUniforms(std::move(uniforms))
            , fChildren(children.begin(), children.end()) {}

Member Function Documentation

asRuntimeEffect()

SkRuntimeEffect * SkRuntimeBlender::asRuntimeEffect ( ) const

inlineoverridevirtual

Reimplemented from SkBlenderBase.

Definition at line 33 of file SkRuntimeBlender.h.

{ return fEffect.get(); }

children()

SkSpan< const SkRuntimeEffect::ChildPtr > SkRuntimeBlender::children ( ) const

inline

Definition at line 45 of file SkRuntimeBlender.h.

{ return fChildren; }

effect()

sk_sp< SkRuntimeEffect > SkRuntimeBlender::effect ( ) const

inline

Definition at line 43 of file SkRuntimeBlender.h.

{ return fEffect; }

flatten()

void SkRuntimeBlender::flatten ( SkWriteBuffer &  ) const

overridevirtual

Override this if your subclass needs to record data that it will need to recreate itself from its CreateProc (returned by getFactory()).

DEPRECATED public : will move to protected ... use serialize() instead

Reimplemented from SkFlattenable.

Definition at line 87 of file SkRuntimeBlender.cpp.

                                                          {
    buffer.writeString(fEffect->source().c_str());
    buffer.writeDataAsByteArray(fUniforms.get());
    SkRuntimeEffectPriv::WriteChildEffects(buffer, fChildren);
}

onAppendStages()

bool SkRuntimeBlender::onAppendStages ( const SkStageRec &  rec ) const

overridevirtual

Implements SkBlenderBase.

Definition at line 65 of file SkRuntimeBlender.cpp.

                                                                 {
    if (!SkRuntimeEffectPriv::CanDraw(SkCapabilities::RasterBackend().get(), fEffect.get())) {
        // SkRP has support for many parts of #version 300 already, but for now, we restrict its
        // usage in runtime effects to just #version 100.
        return false;
    }
    if (const SkSL::RP::Program* program = fEffect->getRPProgram(/*debugTrace=*/nullptr)) {
        SkSpan<const float> uniforms = SkRuntimeEffectPriv::UniformsAsSpan(
                fEffect->uniforms(),
                fUniforms,
                /*alwaysCopyIntoAlloc=*/false,
                rec.fDstCS,
                rec.fAlloc);
        SkShaders::MatrixRec matrix(SkMatrix::I());
        matrix.markCTMApplied();
        RuntimeEffectRPCallbacks callbacks(rec, matrix, fChildren, fEffect->fSampleUsages);
        bool success = program->appendStages(rec.fPipeline, rec.fAlloc, &callbacks, uniforms);
        return success;
    }
    return false;
}

type()

BlenderType SkRuntimeBlender::type ( ) const

inlineoverridevirtual

Implements SkBlenderBase.

Definition at line 35 of file SkRuntimeBlender.h.

{ return BlenderType::kRuntime; }

uniforms()

sk_sp< const SkData > SkRuntimeBlender::uniforms ( ) const

inline

Definition at line 44 of file SkRuntimeBlender.h.

{ return fUniforms; }

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

• third_party/skia/src/core/SkRuntimeBlender.h
• third_party/skia/src/core/SkRuntimeBlender.cpp