Public Member Functions
	XPInfo (skiatest::Reporter *reporter, SkBlendMode xfermode, const GrCaps &caps, GrProcessorAnalysisColor inputColor, GrProcessorAnalysisCoverage inputCoverage)

Public Attributes
bool	fCompatibleWithCoverageAsAlpha

bool	fUnaffectedByDstValue

bool	fIgnoresInputColor

int	fPrimaryOutputType

int	fSecondaryOutputType

skgpu::BlendInfo	fBlendInfo

Detailed Description

Definition at line 103 of file GrPorterDuffTest.cpp.

Constructor & Destructor Documentation

◆ XPInfo()

GrPorterDuffTest::XPInfo::XPInfo	(	skiatest::Reporter *	reporter,
		SkBlendMode	xfermode,
		const GrCaps &	caps,
		GrProcessorAnalysisColor	inputColor,
		GrProcessorAnalysisCoverage	inputCoverage
	)

inline

Definition at line 104 of file GrPorterDuffTest.cpp.

                                                                                               {
            const GrXPFactory* xpf = GrPorterDuffXPFactory::Get(xfermode);
 
            bool isLCD = GrProcessorAnalysisCoverage::kLCD == inputCoverage;
 
            GrProcessorSet::Analysis analysis = do_analysis(xpf, inputColor, inputCoverage, caps);
            fCompatibleWithCoverageAsAlpha = analysis.isCompatibleWithCoverageAsAlpha();
            fUnaffectedByDstValue = analysis.unaffectedByDstValue();
            fIgnoresInputColor = analysis.inputColorIsIgnored();
            sk_sp<const GrXferProcessor> xp(
                    GrXPFactory::MakeXferProcessor(xpf, inputColor, inputCoverage, caps,
                                                   GrClampType::kAuto));
            TEST_ASSERT(!analysis.requiresDstTexture() ||
                        (isLCD &&
                         !caps.shaderCaps()->fDstReadInShaderSupport &&
                         (SkBlendMode::kSrcOver != xfermode ||
                          !inputColor.isOpaque())));
            // Porter Duff modes currently only use fixed-function or shader blending, and Ganesh
            // doesn't yet make use of framebuffer fetches that require a barrier
            // (e.g., QCOM_shader_framebuffer_fetch_noncoherent). So dst textures and xfer barriers
            // should always go hand in hand for Porter Duff modes.
            TEST_ASSERT(analysis.requiresDstTexture() == analysis.requiresNonOverlappingDraws());
            GetXPOutputTypes(xp.get(), &fPrimaryOutputType, &fSecondaryOutputType);
            fBlendInfo = xp->getBlendInfo();
            TEST_ASSERT(!xp->willReadDstColor() ||
                        (isLCD && (SkBlendMode::kSrcOver != xfermode ||
                                   !inputColor.isOpaque())));
            TEST_ASSERT(xp->hasSecondaryOutput() ==
                        skgpu::BlendCoeffRefsSrc2(fBlendInfo.fDstBlend));
        }

Member Data Documentation

◆ fBlendInfo

skgpu::BlendInfo GrPorterDuffTest::XPInfo::fBlendInfo

Definition at line 141 of file GrPorterDuffTest.cpp.

◆ fCompatibleWithCoverageAsAlpha

bool GrPorterDuffTest::XPInfo::fCompatibleWithCoverageAsAlpha

Definition at line 136 of file GrPorterDuffTest.cpp.

◆ fIgnoresInputColor

bool GrPorterDuffTest::XPInfo::fIgnoresInputColor

Definition at line 138 of file GrPorterDuffTest.cpp.

◆ fPrimaryOutputType

int GrPorterDuffTest::XPInfo::fPrimaryOutputType

Definition at line 139 of file GrPorterDuffTest.cpp.

◆ fSecondaryOutputType

int GrPorterDuffTest::XPInfo::fSecondaryOutputType

Definition at line 140 of file GrPorterDuffTest.cpp.

◆ fUnaffectedByDstValue

bool GrPorterDuffTest::XPInfo::fUnaffectedByDstValue

Definition at line 137 of file GrPorterDuffTest.cpp.

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

third_party/skia/tests/GrPorterDuffTest.cpp

Public Member Functions

Public Attributes