#include <GrPerlinNoise2Effect.h>

Inheritance diagram for GrPerlinNoise2Effect:

Public Member Functions
const char *	name () const override

std::unique_ptr< GrFragmentProcessor >	clone () const override

const SkPerlinNoiseShader::StitchData &	stitchData () const

SkPerlinNoiseShaderType	type () const

bool	stitchTiles () const

const SkVector &	baseFrequency () const

int	numOctaves () const

Public Member Functions inherited from GrFragmentProcessor
const GrFragmentProcessor *	parent () const

std::unique_ptr< ProgramImpl >	makeProgramImpl () const

void	addToKey (const GrShaderCaps &caps, skgpu::KeyBuilder *b) const

int	numChildProcessors () const

int	numNonNullChildProcessors () const

GrFragmentProcessor *	childProcessor (int index)

const GrFragmentProcessor *	childProcessor (int index) const

	SkDEBUGCODE (bool isInstantiated() const ;) bool willReadDstColor() const

bool	isBlendFunction () const

bool	usesSampleCoordsDirectly () const

bool	usesSampleCoords () const

const SkSL::SampleUsage &	sampleUsage () const

bool	compatibleWithCoverageAsAlpha () const

bool	preservesOpaqueInput () const

bool	hasConstantOutputForConstantInput (SkPMColor4f inputColor, SkPMColor4f *outputColor) const

bool	hasConstantOutputForConstantInput () const

void	clearConstantOutputForConstantInputFlag ()

bool	isEqual (const GrFragmentProcessor &that) const

void	visitProxies (const GrVisitProxyFunc &) const

void	visitTextureEffects (const std::function< void(const GrTextureEffect &)> &) const

void	visitWithImpls (const std::function< void(const GrFragmentProcessor &, ProgramImpl &)> &, ProgramImpl &) const

GrTextureEffect *	asTextureEffect ()

const GrTextureEffect *	asTextureEffect () const

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

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

Static Public Member Functions
static std::unique_ptr< GrFragmentProcessor >	Make (SkPerlinNoiseShaderType type, int numOctaves, bool stitchTiles, std::unique_ptr< SkPerlinNoiseShader::PaintingData > paintingData, GrSurfaceProxyView permutationsView, GrSurfaceProxyView noiseView, const GrCaps &caps)

Static Public Member Functions inherited from GrFragmentProcessor
static std::unique_ptr< GrFragmentProcessor >	MakeColor (SkPMColor4f color)

static std::unique_ptr< GrFragmentProcessor >	MulInputByChildAlpha (std::unique_ptr< GrFragmentProcessor > child)

static std::unique_ptr< GrFragmentProcessor >	ApplyPaintAlpha (std::unique_ptr< GrFragmentProcessor > child)

static std::unique_ptr< GrFragmentProcessor >	ModulateRGBA (std::unique_ptr< GrFragmentProcessor > child, const SkPMColor4f &color)

static std::unique_ptr< GrFragmentProcessor >	OverrideInput (std::unique_ptr< GrFragmentProcessor >, const SkPMColor4f &)

static std::unique_ptr< GrFragmentProcessor >	DisableCoverageAsAlpha (std::unique_ptr< GrFragmentProcessor >)

static std::unique_ptr< GrFragmentProcessor >	DestColor ()

static std::unique_ptr< GrFragmentProcessor >	SwizzleOutput (std::unique_ptr< GrFragmentProcessor >, const skgpu::Swizzle &)

static std::unique_ptr< GrFragmentProcessor >	ClampOutput (std::unique_ptr< GrFragmentProcessor >)

static std::unique_ptr< GrFragmentProcessor >	Compose (std::unique_ptr< GrFragmentProcessor > f, std::unique_ptr< GrFragmentProcessor > g)

static std::unique_ptr< GrFragmentProcessor >	ColorMatrix (std::unique_ptr< GrFragmentProcessor > child, const float matrix[20], bool unpremulInput, bool clampRGBOutput, bool premulOutput)

static std::unique_ptr< GrFragmentProcessor >	SurfaceColor ()

static std::unique_ptr< GrFragmentProcessor >	DeviceSpace (std::unique_ptr< GrFragmentProcessor >)

static std::unique_ptr< GrFragmentProcessor >	Rect (std::unique_ptr< GrFragmentProcessor >, GrClipEdgeType, SkRect)

static GrFPResult	Circle (std::unique_ptr< GrFragmentProcessor >, GrClipEdgeType, SkPoint center, float radius)

static GrFPResult	Ellipse (std::unique_ptr< GrFragmentProcessor >, GrClipEdgeType, SkPoint center, SkPoint radii, const GrShaderCaps &)

static std::unique_ptr< GrFragmentProcessor >	HighPrecision (std::unique_ptr< GrFragmentProcessor >)

Private Member Functions
std::unique_ptr< ProgramImpl >	onMakeProgramImpl () const override

void	onAddToKey (const GrShaderCaps &caps, skgpu::KeyBuilder *b) const override

bool	onIsEqual (const GrFragmentProcessor &sBase) const override

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 Types inherited from GrFragmentProcessor
enum	OptimizationFlags : uint32_t { kNone_OptimizationFlags , kCompatibleWithCoverageAsAlpha_OptimizationFlag = 0x1 , kPreservesOpaqueInput_OptimizationFlag = 0x2 , kConstantOutputForConstantInput_OptimizationFlag = 0x4 , kAll_OptimizationFlags }

Protected Member Functions inherited from GrFragmentProcessor
	GrFragmentProcessor (ClassID classID, OptimizationFlags optimizationFlags)

	GrFragmentProcessor (const GrFragmentProcessor &src)

OptimizationFlags	optimizationFlags () const

void	registerChild (std::unique_ptr< GrFragmentProcessor > child, SkSL::SampleUsage sampleUsage=SkSL::SampleUsage::PassThrough())

void	cloneAndRegisterAllChildProcessors (const GrFragmentProcessor &src)

void	setUsesSampleCoordsDirectly ()

void	setWillReadDstColor ()

void	setIsBlendFunction ()

void	mergeOptimizationFlags (OptimizationFlags flags)

Protected Member Functions inherited from GrProcessor
	GrProcessor (ClassID classID)

	GrProcessor (const GrProcessor &)=delete

GrProcessor &	operator= (const GrProcessor &)=delete

Static Protected Member Functions inherited from GrFragmentProcessor
static OptimizationFlags	ModulateForSamplerOptFlags (SkAlphaType alphaType, bool samplingDecal)

static OptimizationFlags	ModulateForClampedSamplerOptFlags (SkAlphaType alphaType)

static OptimizationFlags	ProcessorOptimizationFlags (const GrFragmentProcessor *fp)

static SkPMColor4f	ConstantOutputForConstantInput (const GrFragmentProcessor *fp, const SkPMColor4f &input)

Protected Attributes inherited from GrProcessor
const ClassID	fClassID

Detailed Description

Definition at line 35 of file GrPerlinNoise2Effect.h.

Member Function Documentation

◆ baseFrequency()

const SkVector & GrPerlinNoise2Effect::baseFrequency ( ) const

inline

Definition at line 77 of file GrPerlinNoise2Effect.h.

77{ return fPaintingData->fBaseFrequency; }

◆ clone()

std::unique_ptr< GrFragmentProcessor > GrPerlinNoise2Effect::clone ( ) const

inlineoverridevirtual

Makes a copy of this fragment processor that draws equivalently to the original. If the processor has child processors they are cloned as well.

Implements GrFragmentProcessor.

Definition at line 67 of file GrPerlinNoise2Effect.h.

                                                              {
        return std::unique_ptr<GrFragmentProcessor>(new GrPerlinNoise2Effect(*this));
    }

◆ Make()

static std::unique_ptr< GrFragmentProcessor > GrPerlinNoise2Effect::Make	(	SkPerlinNoiseShaderType	type,
		int	numOctaves,
		bool	stitchTiles,
		std::unique_ptr< SkPerlinNoiseShader::PaintingData >	paintingData,
		GrSurfaceProxyView	permutationsView,
		GrSurfaceProxyView	noiseView,
		const GrCaps &	caps
	)

inlinestatic

Definition at line 37 of file GrPerlinNoise2Effect.h.

                                {
        static constexpr GrSamplerState kRepeatXSampler = {GrSamplerState::WrapMode::kRepeat,
                                                           GrSamplerState::WrapMode::kClamp,
                                                           GrSamplerState::Filter::kNearest};
        auto permutationsFP = GrTextureEffect::Make(std::move(permutationsView),
                                                    kPremul_SkAlphaType,
                                                    SkMatrix::I(),
                                                    kRepeatXSampler,
                                                    caps);
        auto noiseFP = GrTextureEffect::Make(
                std::move(noiseView), kPremul_SkAlphaType, SkMatrix::I(), kRepeatXSampler, caps);
 
        return std::unique_ptr<GrFragmentProcessor>(
                new GrPerlinNoise2Effect(type,
                                         numOctaves,
                                         stitchTiles,
                                         std::move(paintingData),
                                         std::move(permutationsFP),
                                         std::move(noiseFP)));
    }

◆ name()

const char * GrPerlinNoise2Effect::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 65 of file GrPerlinNoise2Effect.h.

65{ return "PerlinNoise"; }

◆ numOctaves()

int GrPerlinNoise2Effect::numOctaves ( ) const

inline

Definition at line 78 of file GrPerlinNoise2Effect.h.

78{ return fNumOctaves; }

◆ onAddToKey()

void GrPerlinNoise2Effect::onAddToKey	(	const GrShaderCaps &	caps,
		skgpu::KeyBuilder *	b
	)		const

overrideprivatevirtual

Implements GrFragmentProcessor.

Definition at line 290 of file GrPerlinNoise2Effect.cpp.

                                                                                        {
    uint32_t key = fNumOctaves;
    key = key << 3;  // Make room for next 3 bits
    switch (fType) {
        case SkPerlinNoiseShaderType::kFractalNoise:
            key |= 0x1;
            break;
        case SkPerlinNoiseShaderType::kTurbulence:
            key |= 0x2;
            break;
        default:
            // leave key at 0
            break;
    }
    if (fStitchTiles) {
        key |= 0x4;  // Flip the 3rd bit if tile stitching is on
    }
    b->add32(key);
}

◆ onIsEqual()

bool GrPerlinNoise2Effect::onIsEqual ( const GrFragmentProcessor & ) const

inlineoverrideprivatevirtual

Subclass implements this to support isEqual(). It will only be called if it is known that the two processors are of the same subclass (i.e. have the same ClassID).

Implements GrFragmentProcessor.

Definition at line 99 of file GrPerlinNoise2Effect.h.

                                                                    {
        const GrPerlinNoise2Effect& s = sBase.cast<GrPerlinNoise2Effect>();
        return fType == s.fType &&
               fPaintingData->fBaseFrequency == s.fPaintingData->fBaseFrequency &&
               fNumOctaves == s.fNumOctaves && fStitchTiles == s.fStitchTiles &&
               fPaintingData->fStitchDataInit == s.fPaintingData->fStitchDataInit;
    }

◆ onMakeProgramImpl()

std::unique_ptr< ProgramImpl > GrPerlinNoise2Effect::onMakeProgramImpl ( ) const

inlineoverrideprivatevirtual

Returns a new instance of the appropriate ProgramImpl subclass for the given GrFragmentProcessor. It will emit the appropriate code and live with the cached program to setup uniform data for each draw that uses the program.

Implements GrFragmentProcessor.

Definition at line 93 of file GrPerlinNoise2Effect.h.

                                                                  {
        return std::make_unique<Impl>();
    }

◆ stitchData()

const SkPerlinNoiseShader::StitchData & GrPerlinNoise2Effect::stitchData ( ) const

inline

Definition at line 71 of file GrPerlinNoise2Effect.h.

                                                            {
        return fPaintingData->fStitchDataInit;
    }

◆ stitchTiles()

bool GrPerlinNoise2Effect::stitchTiles ( ) const

inline

Definition at line 76 of file GrPerlinNoise2Effect.h.

76{ return fStitchTiles; }

◆ type()

SkPerlinNoiseShaderType GrPerlinNoise2Effect::type ( ) const

inline

Definition at line 75 of file GrPerlinNoise2Effect.h.

75{ return fType; }

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

third_party/skia/src/gpu/ganesh/effects/GrPerlinNoise2Effect.h
third_party/skia/src/gpu/ganesh/effects/GrPerlinNoise2Effect.cpp

Public Member Functions

Static Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ baseFrequency()

◆ clone()

◆ Make()

◆ name()

◆ numOctaves()

◆ onAddToKey()

◆ onIsEqual()

◆ onMakeProgramImpl()

◆ stitchData()

◆ stitchTiles()

◆ type()