GrMtlDepthStencil.mm File Reference

#include "src/gpu/ganesh/GrStencilSettings.h"
#include "src/gpu/ganesh/mtl/GrMtlDepthStencil.h"
#include "src/gpu/ganesh/mtl/GrMtlGpu.h"

Go to the source code of this file.

Functions
GR_NORETAIN_BEGIN MTLStencilOperation	skia_stencil_op_to_mtl (GrStencilOp op)
MTLStencilDescriptor *	skia_stencil_to_mtl (GrStencilSettings::Face face)
void	skia_stencil_to_key (GrStencilSettings::Face face, GrMtlDepthStencil::Key::Face *faceKey)

Function Documentation

skia_stencil_op_to_mtl()

GR_NORETAIN_BEGIN MTLStencilOperation skia_stencil_op_to_mtl

(

GrStencilOp

op

)

Definition at line 18 of file GrMtlDepthStencil.mm.

                                                           {
    switch (op) {
        case GrStencilOp::kKeep:
            return MTLStencilOperationKeep;
        case GrStencilOp::kZero:
            return MTLStencilOperationZero;
        case GrStencilOp::kReplace:
            return MTLStencilOperationReplace;
        case GrStencilOp::kInvert:
            return MTLStencilOperationInvert;
        case GrStencilOp::kIncWrap:
            return MTLStencilOperationIncrementWrap;
        case GrStencilOp::kDecWrap:
            return MTLStencilOperationDecrementWrap;
        case GrStencilOp::kIncClamp:
            return MTLStencilOperationIncrementClamp;
        case GrStencilOp::kDecClamp:
            return MTLStencilOperationDecrementClamp;
    }
}

skia_stencil_to_key()

void skia_stencil_to_key	(	GrStencilSettings::Face	face,
		GrMtlDepthStencil::Key::Face *	faceKey
	)

Definition at line 93 of file GrMtlDepthStencil.mm.

                                                                                        {
    const int kPassOpShift = 3;
    const int kFailOpShift = 6;
 
    faceKey->fReadMask = face.fTestMask;
    faceKey->fWriteMask = face.fWriteMask;
 
    SkASSERT(static_cast<int>(face.fTest) <= 7);
    faceKey->fOps = static_cast<uint32_t>(face.fTest);
 
    SkASSERT(static_cast<int>(face.fPassOp) <= 7);
    faceKey->fOps |= (static_cast<uint32_t>(face.fPassOp) << kPassOpShift);
 
    SkASSERT(static_cast<int>(face.fFailOp) <= 7);
    faceKey->fOps |= (static_cast<uint32_t>(face.fFailOp) << kFailOpShift);
}

skia_stencil_to_mtl()

MTLStencilDescriptor * skia_stencil_to_mtl

(

GrStencilSettings::Face

face

)

Definition at line 39 of file GrMtlDepthStencil.mm.

                                                                      {
    MTLStencilDescriptor* result = [[MTLStencilDescriptor alloc] init];
    switch (face.fTest) {
        case GrStencilTest::kAlways:
            result.stencilCompareFunction = MTLCompareFunctionAlways;
            break;
        case GrStencilTest::kNever:
            result.stencilCompareFunction = MTLCompareFunctionNever;
            break;
        case GrStencilTest::kGreater:
            result.stencilCompareFunction = MTLCompareFunctionGreater;
            break;
        case GrStencilTest::kGEqual:
            result.stencilCompareFunction = MTLCompareFunctionGreaterEqual;
            break;
        case GrStencilTest::kLess:
            result.stencilCompareFunction = MTLCompareFunctionLess;
            break;
        case GrStencilTest::kLEqual:
            result.stencilCompareFunction = MTLCompareFunctionLessEqual;
            break;
        case GrStencilTest::kEqual:
            result.stencilCompareFunction = MTLCompareFunctionEqual;
            break;
        case GrStencilTest::kNotEqual:
            result.stencilCompareFunction = MTLCompareFunctionNotEqual;
            break;
    }
    result.readMask = face.fTestMask;
    result.writeMask = face.fWriteMask;
    result.depthStencilPassOperation = skia_stencil_op_to_mtl(face.fPassOp);
    result.stencilFailureOperation = skia_stencil_op_to_mtl(face.fFailOp);
    return result;
}