#include <KeyHelpers.h>

Public Member Functions
	GradientData (SkShaderBase::GradientType, int numStops, bool useStorageBuffer)

	GradientData (SkShaderBase::GradientType, SkPoint point0, SkPoint point1, float radius0, float radius1, float bias, float scale, SkTileMode, int numStops, const SkPMColor4f colors, const float offsets, const SkGradientBaseShader *shader, sk_sp< TextureProxy > colorsAndOffsetsProxy, bool useStorageBuffer, const SkGradientShader::Interpolation &)

bool	operator== (const GradientData &rhs) const =delete

bool	operator!= (const GradientData &rhs) const =delete

Public Attributes
SkShaderBase::GradientType	fType

SkPoint	fPoints [2]

float	fRadii [2]

float	fBias

float	fScale

SkTileMode	fTM

int	fNumStops

bool	fUseStorageBuffer

SkPMColor4f	fColors [kNumInternalStorageStops]

SkV4	fOffsets [kNumInternalStorageStops/4]

sk_sp< TextureProxy >	fColorsAndOffsetsProxy

const SkPMColor4f *	fSrcColors

const float *	fSrcOffsets

const SkGradientBaseShader *	fSrcShader

SkGradientShader::Interpolation	fInterpolation

Static Public Attributes
static constexpr int	kNumInternalStorageStops = 8

Detailed Description

Definition at line 87 of file KeyHelpers.h.

Constructor & Destructor Documentation

◆ GradientData() [1/2]

skgpu::graphite::GradientShaderBlocks::GradientData::GradientData	(	SkShaderBase::GradientType	type,
		int	numStops,
		bool	useStorageBuffer
	)

Definition at line 339 of file KeyHelpers.cpp.

        : fType(type)
        , fPoints{{0.0f, 0.0f}, {0.0f, 0.0f}}
        , fRadii{0.0f, 0.0f}
        , fBias(0.0f)
        , fScale(0.0f)
        , fTM(SkTileMode::kClamp)
        , fNumStops(numStops)
        , fUseStorageBuffer(useStorageBuffer)
        , fSrcColors(nullptr)
        , fSrcOffsets(nullptr) {
    sk_bzero(fColors, sizeof(fColors));
    sk_bzero(fOffsets, sizeof(fOffsets));
}

◆ GradientData() [2/2]

skgpu::graphite::GradientShaderBlocks::GradientData::GradientData	(	SkShaderBase::GradientType	type,
		SkPoint	point0,
		SkPoint	point1,
		float	radius0,
		float	radius1,
		float	bias,
		float	scale,
		SkTileMode	tm,
		int	numStops,
		const SkPMColor4f *	colors,
		const float *	offsets,
		const SkGradientBaseShader *	shader,
		sk_sp< TextureProxy >	colorsAndOffsetsProxy,
		bool	useStorageBuffer,
		const SkGradientShader::Interpolation &	interp
	)

Definition at line 356 of file KeyHelpers.cpp.

        : fType(type)
        , fBias(bias)
        , fScale(scale)
        , fTM(tm)
        , fNumStops(numStops)
        , fUseStorageBuffer(useStorageBuffer)
        , fSrcColors(colors)
        , fSrcOffsets(offsets)
        , fSrcShader(shader)
        , fInterpolation(interp) {
    SkASSERT(fNumStops >= 1);
 
    fPoints[0] = point0;
    fPoints[1] = point1;
    fRadii[0] = radius0;
    fRadii[1] = radius1;
 
    if (fNumStops <= kNumInternalStorageStops) {
        memcpy(fColors, colors, fNumStops * sizeof(SkColor4f));
        float* rawOffsets = fOffsets[0].ptr();
        if (offsets) {
            memcpy(rawOffsets, offsets, fNumStops * sizeof(float));
        } else {
            for (int i = 0; i < fNumStops; ++i) {
                rawOffsets[i] = SkIntToFloat(i) / (fNumStops-1);
            }
        }
 
        // Extend the colors and offset, if necessary, to fill out the arrays.
        // The unrolled binary search implementation assumes excess stops match the last real value.
        for (int i = fNumStops; i < kNumInternalStorageStops; ++i) {
            fColors[i] = fColors[fNumStops-1];
            rawOffsets[i] = rawOffsets[fNumStops-1];
        }
    } else {
        if (!fUseStorageBuffer) {
            fColorsAndOffsetsProxy = std::move(colorsAndOffsetsProxy);
            SkASSERT(fColorsAndOffsetsProxy);
        }
    }
}

Member Function Documentation

◆ operator!=()

bool skgpu::graphite::GradientShaderBlocks::GradientData::operator!= ( const GradientData & rhs ) const

delete

◆ operator==()

bool skgpu::graphite::GradientShaderBlocks::GradientData::operator== ( const GradientData & rhs ) const

delete

Member Data Documentation

◆ fBias

float skgpu::graphite::GradientShaderBlocks::GradientData::fBias

Definition at line 121 of file KeyHelpers.h.

◆ fColors

SkPMColor4f skgpu::graphite::GradientShaderBlocks::GradientData::fColors[kNumInternalStorageStops]

Definition at line 134 of file KeyHelpers.h.

◆ fColorsAndOffsetsProxy

sk_sp<TextureProxy> skgpu::graphite::GradientShaderBlocks::GradientData::fColorsAndOffsetsProxy

Definition at line 136 of file KeyHelpers.h.

◆ fInterpolation

SkGradientShader::Interpolation skgpu::graphite::GradientShaderBlocks::GradientData::fInterpolation

Definition at line 141 of file KeyHelpers.h.

◆ fNumStops

int skgpu::graphite::GradientShaderBlocks::GradientData::fNumStops

Definition at line 125 of file KeyHelpers.h.

◆ fOffsets

SkV4 skgpu::graphite::GradientShaderBlocks::GradientData::fOffsets[kNumInternalStorageStops/4]

Definition at line 135 of file KeyHelpers.h.

◆ fPoints

SkPoint skgpu::graphite::GradientShaderBlocks::GradientData::fPoints[2]

Definition at line 117 of file KeyHelpers.h.

◆ fRadii

float skgpu::graphite::GradientShaderBlocks::GradientData::fRadii[2]

Definition at line 118 of file KeyHelpers.h.

◆ fScale

float skgpu::graphite::GradientShaderBlocks::GradientData::fScale

Definition at line 122 of file KeyHelpers.h.

◆ fSrcColors

const SkPMColor4f* skgpu::graphite::GradientShaderBlocks::GradientData::fSrcColors

Definition at line 137 of file KeyHelpers.h.

◆ fSrcOffsets

const float* skgpu::graphite::GradientShaderBlocks::GradientData::fSrcOffsets

Definition at line 138 of file KeyHelpers.h.

◆ fSrcShader

const SkGradientBaseShader* skgpu::graphite::GradientShaderBlocks::GradientData::fSrcShader

Definition at line 139 of file KeyHelpers.h.

◆ fTM

SkTileMode skgpu::graphite::GradientShaderBlocks::GradientData::fTM

Definition at line 124 of file KeyHelpers.h.

◆ fType

SkShaderBase::GradientType skgpu::graphite::GradientShaderBlocks::GradientData::fType

Definition at line 116 of file KeyHelpers.h.

◆ fUseStorageBuffer

bool skgpu::graphite::GradientShaderBlocks::GradientData::fUseStorageBuffer

Definition at line 126 of file KeyHelpers.h.

◆ kNumInternalStorageStops

constexpr int skgpu::graphite::GradientShaderBlocks::GradientData::kNumInternalStorageStops = 8

staticconstexpr

Definition at line 90 of file KeyHelpers.h.

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

Public Member Functions

Public Attributes

Static Public Attributes