GrShaderCaps Struct Reference

#include <GrShaderCaps.h>

Inheritance diagram for GrShaderCaps:

Public Member Functions
	GrShaderCaps ()
void	dumpJSON (SkJSONWriter *) const
const char *	noperspectiveInterpolationExtensionString () const
const char *	sampleVariablesExtensionString () const
void	applyOptionsOverrides (const GrContextOptions &options)
Public Member Functions inherited from SkSL::ShaderCaps
bool	mustEnableAdvBlendEqs () const
bool	mustDeclareFragmentShaderOutput () const
const char *	shaderDerivativeExtensionString () const
const char *	externalTextureExtensionString () const
const char *	secondExternalTextureExtensionString () const
SkSL::Version	supportedSkSLVerion () const
bool	supportsDistanceFieldText () const

Public Attributes
bool	fDstReadInShaderSupport = false
bool	fPreferFlatInterpolation = false
bool	fVertexIDSupport = false
bool	fNonconstantArrayIndexSupport = false
bool	fBitManipulationSupport = false
bool	fHalfIs32Bits = false
bool	fHasLowFragmentPrecision = false
bool	fReducedShaderMode = false
bool	fRequiresLocalOutputColorForFBFetch = false
bool	fMustObfuscateUniformColor = false
bool	fMustWriteToFragColor = false
bool	fAvoidDfDxForGradientsWhenPossible = false
const char *	fSecondaryOutputExtensionString = nullptr
const char *	fNoPerspectiveInterpolationExtensionString = nullptr
const char *	fSampleVariablesExtensionString = nullptr
const char *	fFBFetchExtensionString = nullptr
int	fMaxFragmentSamplers = 0
Public Attributes inherited from SkSL::ShaderCaps
SkSL::GLSLGeneration	fGLSLGeneration = SkSL::GLSLGeneration::k330
bool	fDualSourceBlendingSupport = false
bool	fShaderDerivativeSupport = false
bool	fExplicitTextureLodSupport = false
bool	fIntegerSupport = false
bool	fNonsquareMatrixSupport = false
bool	fInverseHyperbolicSupport = false
bool	fFBFetchSupport = false
bool	fFBFetchNeedsCustomOutput = false
bool	fUsesPrecisionModifiers = false
bool	fFlatInterpolationSupport = false
bool	fNoPerspectiveInterpolationSupport = false
bool	fSampleMaskSupport = false
bool	fExternalTextureSupport = false
bool	fFloatIs32Bits = true
bool	fInfinitySupport = false
bool	fBuiltinFMASupport = true
bool	fBuiltinDeterminantSupport = true
bool	fCanUseVoidInSequenceExpressions = true
bool	fCanUseMinAndAbsTogether = true
bool	fCanUseFractForNegativeValues = true
bool	fMustForceNegatedAtanParamToFloat = false
bool	fMustForceNegatedLdexpParamToMultiply = false
bool	fAtan2ImplementedAsAtanYOverX = false
bool	fMustDoOpBetweenFloorAndAbs = false
bool	fMustGuardDivisionEvenAfterExplicitZeroCheck = false
bool	fCanUseFragCoord = true
bool	fAddAndTrueToLoopCondition = false
bool	fUnfoldShortCircuitAsTernary = false
bool	fEmulateAbsIntFunction = false
bool	fRewriteDoWhileLoops = false
bool	fRewriteSwitchStatements = false
bool	fRemovePowWithConstantExponent = false
bool	fNoDefaultPrecisionForExternalSamplers = false
bool	fRewriteMatrixVectorMultiply = false
bool	fRewriteMatrixComparisons = false
bool	fRemoveConstFromFunctionParameters = false
bool	fPerlinNoiseRoundingFix = false
bool	fMustDeclareFragmentFrontFacing = false
const char *	fVersionDeclString = ""
const char *	fShaderDerivativeExtensionString = nullptr
const char *	fExternalTextureExtensionString = nullptr
const char *	fSecondExternalTextureExtensionString = nullptr
const char *	fFBFetchColorName = nullptr
const char *	fFloatBufferArrayName = nullptr
AdvBlendEqInteraction	fAdvBlendEqInteraction = kNotSupported_AdvBlendEqInteraction

Additional Inherited Members
Public Types inherited from SkSL::ShaderCaps
enum	AdvBlendEqInteraction { kNotSupported_AdvBlendEqInteraction , kAutomatic_AdvBlendEqInteraction , kGeneralEnable_AdvBlendEqInteraction , kLast_AdvBlendEqInteraction = kGeneralEnable_AdvBlendEqInteraction }

Detailed Description

Definition at line 17 of file GrShaderCaps.h.

Constructor & Destructor Documentation

GrShaderCaps()

GrShaderCaps::GrShaderCaps ( )

inline

Definition at line 18 of file GrShaderCaps.h.

{}

Member Function Documentation

applyOptionsOverrides()

void GrShaderCaps::applyOptionsOverrides

(

const GrContextOptions &

options

)

Definition at line 91 of file GrShaderCaps.cpp.

                                                                        {
    if (options.fDisableDriverCorrectnessWorkarounds) {
        SkASSERT(fCanUseVoidInSequenceExpressions);
        SkASSERT(fCanUseMinAndAbsTogether);
        SkASSERT(fCanUseFractForNegativeValues);
        SkASSERT(!fMustForceNegatedAtanParamToFloat);
        SkASSERT(!fMustForceNegatedLdexpParamToMultiply);
        SkASSERT(!fAtan2ImplementedAsAtanYOverX);
        SkASSERT(!fMustDoOpBetweenFloorAndAbs);
        SkASSERT(!fRequiresLocalOutputColorForFBFetch);
        SkASSERT(!fMustObfuscateUniformColor);
        SkASSERT(!fMustGuardDivisionEvenAfterExplicitZeroCheck);
        SkASSERT(fCanUseFragCoord);
        SkASSERT(!fAddAndTrueToLoopCondition);
        SkASSERT(!fUnfoldShortCircuitAsTernary);
        SkASSERT(!fEmulateAbsIntFunction);
        SkASSERT(!fRewriteDoWhileLoops);
        SkASSERT(!fRewriteSwitchStatements);
        SkASSERT(!fRemovePowWithConstantExponent);
        SkASSERT(!fMustWriteToFragColor);
        SkASSERT(!fNoDefaultPrecisionForExternalSamplers);
        SkASSERT(!fRewriteMatrixVectorMultiply);
        SkASSERT(!fRewriteMatrixComparisons);
        SkASSERT(!fPerlinNoiseRoundingFix);
        SkASSERT(!fMustDeclareFragmentFrontFacing);
    }
    if (options.fReducedShaderVariations) {
        fReducedShaderMode = true;
    }
#if defined(GR_TEST_UTILS)
    if (options.fSuppressDualSourceBlending) {
        fDualSourceBlendingSupport = false;
    }
    if (options.fSuppressFramebufferFetch) {
        fFBFetchSupport = false;
    }
#endif
}

dumpJSON()

void GrShaderCaps::dumpJSON

(

SkJSONWriter *

writer

)

const

Definition at line 88 of file GrShaderCaps.cpp.

{ }

noperspectiveInterpolationExtensionString()

const char * GrShaderCaps::noperspectiveInterpolationExtensionString ( ) const

inline

Definition at line 22 of file GrShaderCaps.h.

                                                                  {
        SkASSERT(this->fNoPerspectiveInterpolationSupport);
        return fNoPerspectiveInterpolationExtensionString;
    }

sampleVariablesExtensionString()

const char * GrShaderCaps::sampleVariablesExtensionString ( ) const

inline

Definition at line 27 of file GrShaderCaps.h.

                                                       {
        SkASSERT(this->fSampleMaskSupport);
        return fSampleVariablesExtensionString;
    }

Member Data Documentation

fAvoidDfDxForGradientsWhenPossible

bool GrShaderCaps::fAvoidDfDxForGradientsWhenPossible = false

Definition at line 58 of file GrShaderCaps.h.

fBitManipulationSupport

bool GrShaderCaps::fBitManipulationSupport = false

Definition at line 41 of file GrShaderCaps.h.

fDstReadInShaderSupport

bool GrShaderCaps::fDstReadInShaderSupport = false

Definition at line 34 of file GrShaderCaps.h.

fFBFetchExtensionString

const char* GrShaderCaps::fFBFetchExtensionString = nullptr

Definition at line 69 of file GrShaderCaps.h.

fHalfIs32Bits

bool GrShaderCaps::fHalfIs32Bits = false

Definition at line 42 of file GrShaderCaps.h.

fHasLowFragmentPrecision

bool GrShaderCaps::fHasLowFragmentPrecision = false

Definition at line 43 of file GrShaderCaps.h.

fMaxFragmentSamplers

int GrShaderCaps::fMaxFragmentSamplers = 0

Definition at line 71 of file GrShaderCaps.h.

fMustObfuscateUniformColor

bool GrShaderCaps::fMustObfuscateUniformColor = false

Definition at line 51 of file GrShaderCaps.h.

fMustWriteToFragColor

bool GrShaderCaps::fMustWriteToFragColor = false

Definition at line 54 of file GrShaderCaps.h.

fNonconstantArrayIndexSupport

bool GrShaderCaps::fNonconstantArrayIndexSupport = false

Definition at line 39 of file GrShaderCaps.h.

fNoPerspectiveInterpolationExtensionString

const char* GrShaderCaps::fNoPerspectiveInterpolationExtensionString = nullptr

Definition at line 66 of file GrShaderCaps.h.

fPreferFlatInterpolation

bool GrShaderCaps::fPreferFlatInterpolation = false

Definition at line 35 of file GrShaderCaps.h.

fReducedShaderMode

bool GrShaderCaps::fReducedShaderMode = false

Definition at line 46 of file GrShaderCaps.h.

fRequiresLocalOutputColorForFBFetch

bool GrShaderCaps::fRequiresLocalOutputColorForFBFetch = false

Definition at line 49 of file GrShaderCaps.h.

fSampleVariablesExtensionString

const char* GrShaderCaps::fSampleVariablesExtensionString = nullptr

Definition at line 67 of file GrShaderCaps.h.

fSecondaryOutputExtensionString

const char* GrShaderCaps::fSecondaryOutputExtensionString = nullptr

Definition at line 64 of file GrShaderCaps.h.

fVertexIDSupport

bool GrShaderCaps::fVertexIDSupport = false

Definition at line 36 of file GrShaderCaps.h.

---

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

• third_party/skia/src/gpu/ganesh/GrShaderCaps.h
• third_party/skia/src/gpu/ganesh/GrShaderCaps.cpp