GrGLSLColorSpaceXformHelper Class Reference

#include <GrGLSLColorSpaceXformHelper.h>

Inheritance diagram for GrGLSLColorSpaceXformHelper:

Public Member Functions
	GrGLSLColorSpaceXformHelper ()
void	emitCode (GrGLSLUniformHandler *uniformHandler, const GrColorSpaceXform *colorSpaceXform, uint32_t visibility=kFragment_GrShaderFlag)
void	setData (const GrGLSLProgramDataManager &pdman, const GrColorSpaceXform *colorSpaceXform)
bool	isNoop () const
bool	applyUnpremul () const
bool	applySrcTF () const
bool	applyGamutXform () const
bool	applyDstTF () const
bool	applyPremul () const
skcms_TFType	srcTFType () const
skcms_TFType	dstTFType () const
GrGLSLProgramDataManager::UniformHandle	srcTFUniform () const
GrGLSLProgramDataManager::UniformHandle	gamutXformUniform () const
GrGLSLProgramDataManager::UniformHandle	dstTFUniform () const
Public Member Functions inherited from SkNoncopyable
	SkNoncopyable ()=default
	SkNoncopyable (SkNoncopyable &&)=default
SkNoncopyable &	operator= (SkNoncopyable &&)=default

Detailed Description

Helper class to assist with using GrColorSpaceXform within an FP. This manages all of the uniforms needed, and can be passed to shader builder functions to automatically generate the correct color space transformation code.

Definition at line 22 of file GrGLSLColorSpaceXformHelper.h.

Constructor & Destructor Documentation

GrGLSLColorSpaceXformHelper()

GrGLSLColorSpaceXformHelper::GrGLSLColorSpaceXformHelper ( )

inline

Definition at line 24 of file GrGLSLColorSpaceXformHelper.h.

{}

Member Function Documentation

applyDstTF()

bool GrGLSLColorSpaceXformHelper::applyDstTF ( ) const

inline

Definition at line 65 of file GrGLSLColorSpaceXformHelper.h.

{ return fFlags.encode; }

applyGamutXform()

bool GrGLSLColorSpaceXformHelper::applyGamutXform ( ) const

inline

Definition at line 64 of file GrGLSLColorSpaceXformHelper.h.

{ return fFlags.gamut_transform; }

applyPremul()

bool GrGLSLColorSpaceXformHelper::applyPremul ( ) const

inline

Definition at line 66 of file GrGLSLColorSpaceXformHelper.h.

{ return fFlags.premul; }

applySrcTF()

bool GrGLSLColorSpaceXformHelper::applySrcTF ( ) const

inline

Definition at line 63 of file GrGLSLColorSpaceXformHelper.h.

{ return fFlags.linearize; }

applyUnpremul()

bool GrGLSLColorSpaceXformHelper::applyUnpremul ( ) const

inline

Definition at line 62 of file GrGLSLColorSpaceXformHelper.h.

{ return fFlags.unpremul; }

dstTFType()

skcms_TFType GrGLSLColorSpaceXformHelper::dstTFType ( ) const

inline

Definition at line 69 of file GrGLSLColorSpaceXformHelper.h.

{ return fDstTFType; }

dstTFUniform()

GrGLSLProgramDataManager::UniformHandle GrGLSLColorSpaceXformHelper::dstTFUniform ( ) const

inline

Definition at line 73 of file GrGLSLColorSpaceXformHelper.h.

{ return fDstTFVar; }

emitCode()

void GrGLSLColorSpaceXformHelper::emitCode ( GrGLSLUniformHandler *  uniformHandler, const GrColorSpaceXform *  colorSpaceXform, uint32_t  visibility = kFragment_GrShaderFlag  )

inline

Definition at line 26 of file GrGLSLColorSpaceXformHelper.h.

                                                                {
        SkASSERT(uniformHandler);
        if (colorSpaceXform) {
            fFlags = colorSpaceXform->fSteps.flags;
            if (this->applySrcTF()) {
                fSrcTFVar = uniformHandler->addUniformArray(nullptr, visibility, SkSLType::kFloat,
                                                            "SrcTF", kNumTransferFnCoeffs);
                fSrcTFType = skcms_TransferFunction_getType(&colorSpaceXform->fSteps.srcTF);
            }
            if (this->applyGamutXform()) {
                fGamutXformVar = uniformHandler->addUniform(nullptr, visibility, SkSLType::kFloat3x3,
                                                            "ColorXform");
            }
            if (this->applyDstTF()) {
                fDstTFVar = uniformHandler->addUniformArray(nullptr, visibility, SkSLType::kFloat,
                                                            "DstTF", kNumTransferFnCoeffs);
                fDstTFType = skcms_TransferFunction_getType(&colorSpaceXform->fSteps.dstTFInv);
            }
        }
    }

gamutXformUniform()

GrGLSLProgramDataManager::UniformHandle GrGLSLColorSpaceXformHelper::gamutXformUniform ( ) const

inline

Definition at line 72 of file GrGLSLColorSpaceXformHelper.h.

{ return fGamutXformVar; }

isNoop()

bool GrGLSLColorSpaceXformHelper::isNoop ( ) const

inline

Definition at line 60 of file GrGLSLColorSpaceXformHelper.h.

{ return (0 == fFlags.mask()); }

setData()

void GrGLSLColorSpaceXformHelper::setData ( const GrGLSLProgramDataManager &  pdman, const GrColorSpaceXform *  colorSpaceXform  )

inline

Definition at line 48 of file GrGLSLColorSpaceXformHelper.h.

                                                                                                  {
        if (this->applySrcTF()) {
            pdman.set1fv(fSrcTFVar, kNumTransferFnCoeffs, &colorSpaceXform->fSteps.srcTF.g);
        }
        if (this->applyGamutXform()) {
            pdman.setMatrix3f(fGamutXformVar, colorSpaceXform->fSteps.src_to_dst_matrix);
        }
        if (this->applyDstTF()) {
            pdman.set1fv(fDstTFVar, kNumTransferFnCoeffs, &colorSpaceXform->fSteps.dstTFInv.g);
        }
    }

srcTFType()

skcms_TFType GrGLSLColorSpaceXformHelper::srcTFType ( ) const

inline

Definition at line 68 of file GrGLSLColorSpaceXformHelper.h.

{ return fSrcTFType; }

srcTFUniform()

GrGLSLProgramDataManager::UniformHandle GrGLSLColorSpaceXformHelper::srcTFUniform ( ) const

inline

Definition at line 71 of file GrGLSLColorSpaceXformHelper.h.

{ return fSrcTFVar; }

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

• third_party/skia/src/gpu/ganesh/glsl/GrGLSLColorSpaceXformHelper.h