GrDefaultGeoProcFactory Namespace Reference

Classes
struct	Color
struct	Coverage
struct	LocalCoords

Functions
GrGeometryProcessor *	Make (SkArenaAlloc *, const Color &, const Coverage &, const LocalCoords &, const SkMatrix &viewMatrix)
GrGeometryProcessor *	MakeForDeviceSpace (SkArenaAlloc *, const Color &, const Coverage &, const LocalCoords &, const SkMatrix &viewMatrix)

Function Documentation

Make()

GrGeometryProcessor * GrDefaultGeoProcFactory::Make	(	SkArenaAlloc *	arena,
		const Color &	color,
		const Coverage &	coverage,
		const LocalCoords &	localCoords,
		const SkMatrix &	viewMatrix
	)

Definition at line 295 of file GrDefaultGeoProcFactory.cpp.

                                                                               {
    uint32_t flags = 0;
    if (Color::kPremulGrColorAttribute_Type == color.fType) {
        flags |= kColorAttribute_GPFlag;
    } else if (Color::kPremulWideColorAttribute_Type == color.fType) {
        flags |= kColorAttribute_GPFlag | kColorAttributeIsWide_GPFlag;
    }
    if (Coverage::kAttribute_Type == coverage.fType) {
        flags |= kCoverageAttribute_GPFlag;
    } else if (Coverage::kAttributeTweakAlpha_Type == coverage.fType) {
        flags |= kCoverageAttribute_GPFlag | kCoverageAttributeTweak_GPFlag;
    } else if (Coverage::kAttributeUnclamped_Type == coverage.fType) {
        flags |= kCoverageAttribute_GPFlag | kCoverageAttributeUnclamped_GPFlag;
    }
    flags |= localCoords.fType == LocalCoords::kHasExplicit_Type ? kLocalCoordAttribute_GPFlag : 0;
 
    uint8_t inCoverage = coverage.fCoverage;
    bool localCoordsWillBeRead = localCoords.fType != LocalCoords::kUnused_Type;
 
    return DefaultGeoProc::Make(arena,
                                flags,
                                color.fColor,
                                viewMatrix,
                                localCoords.fMatrix ? *localCoords.fMatrix : SkMatrix::I(),
                                localCoordsWillBeRead,
                                inCoverage);
}

MakeForDeviceSpace()

GrGeometryProcessor * GrDefaultGeoProcFactory::MakeForDeviceSpace	(	SkArenaAlloc *	arena,
		const Color &	color,
		const Coverage &	coverage,
		const LocalCoords &	localCoords,
		const SkMatrix &	viewMatrix
	)

Definition at line 327 of file GrDefaultGeoProcFactory.cpp.

                                                                                             {
    SkMatrix invert = SkMatrix::I();
    if (LocalCoords::kUnused_Type != localCoords.fType) {
        SkASSERT(LocalCoords::kUsePosition_Type == localCoords.fType);
        if (!viewMatrix.isIdentity() && !viewMatrix.invert(&invert)) {
            return nullptr;
        }
 
        if (localCoords.hasLocalMatrix()) {
            invert.postConcat(*localCoords.fMatrix);
        }
    }
 
    LocalCoords inverted(LocalCoords::kUsePosition_Type, &invert);
    return Make(arena, color, coverage, inverted, SkMatrix::I());
}