| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #ifndef GrStencilAttachment_DEFINED |
| #define GrStencilAttachment_DEFINED |
| |
| #include "src/core/SkClipStack.h" |
| #include "src/gpu/GrSurface.h" |
| |
| class GrRenderTarget; |
| class GrResourceKey; |
| |
| class GrStencilAttachment : public GrSurface { |
| public: |
| ~GrStencilAttachment() override { |
| // TODO: allow SB to be purged and detach itself from rts |
| } |
| |
| int bits() const { return fBits; } |
| int numSamples() const { return fSampleCnt; } |
| |
| bool hasPerformedInitialClear() const { return fHasPerformedInitialClear; } |
| void markHasPerformedInitialClear() { fHasPerformedInitialClear = true; } |
| |
| // We create a unique stencil buffer at each width, height and sampleCnt and share it for |
| // all render targets that require a stencil with those params. |
| static void ComputeSharedStencilAttachmentKey(SkISize dimensions, int sampleCnt, |
| GrUniqueKey* key); |
| |
| protected: |
| GrStencilAttachment(GrGpu* gpu, SkISize dimensions, int bits, int sampleCnt, |
| GrProtected isProtected) |
| : INHERITED(gpu, dimensions, isProtected) |
| , fBits(bits) |
| , fSampleCnt(sampleCnt) { |
| } |
| |
| private: |
| const char* getResourceType() const override { return "Stencil"; } |
| |
| int fBits; |
| int fSampleCnt; |
| bool fHasPerformedInitialClear = false; |
| |
| using INHERITED = GrSurface; |
| }; |
| |
| #endif |