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| 1 /* | 1 /* |
| 2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 | 8 |
| 9 #ifndef GrGLStencilBuffer_DEFINED | 9 #ifndef GrGLStencilBuffer_DEFINED |
| 10 #define GrGLStencilBuffer_DEFINED | 10 #define GrGLStencilBuffer_DEFINED |
| 11 | 11 |
| 12 #include "gl/GrGLInterface.h" | 12 #include "gl/GrGLInterface.h" |
| 13 #include "GrStencilBuffer.h" | 13 #include "GrStencilBuffer.h" |
| 14 | 14 |
| 15 class GrGLStencilBuffer : public GrStencilBuffer { | 15 class GrGLStencilBuffer : public GrStencilBuffer { |
| 16 public: | 16 public: |
| 17 static const GrGLenum kUnknownInternalFormat = ~0U; | 17 static const GrGLenum kUnknownInternalFormat = ~0U; |
| 18 static const GrGLuint kUnknownBitCount = ~0U; | 18 static const GrGLuint kUnknownBitCount = ~0U; |
| 19 struct Format { | 19 struct Format { |
| 20 GrGLenum fInternalFormat; | 20 GrGLenum fInternalFormat; |
| 21 GrGLuint fStencilBits; | 21 GrGLuint fStencilBits; |
| 22 GrGLuint fTotalBits; | 22 GrGLuint fTotalBits; |
| 23 bool fPacked; | 23 bool fPacked; |
| 24 }; | 24 }; |
| 25 | 25 |
| 26 struct IDDesc { |
| 27 GrGLuint fRenderbufferID; |
| 28 GrGpuResource::LifeCycle fLifeCycle; |
| 29 }; |
| 30 |
| 26 GrGLStencilBuffer(GrGpu* gpu, | 31 GrGLStencilBuffer(GrGpu* gpu, |
| 27 GrGLint rbid, | 32 const IDDesc& idDesc, |
| 28 int width, int height, | 33 int width, int height, |
| 29 int sampleCnt, | 34 int sampleCnt, |
| 30 const Format& format) | 35 const Format& format) |
| 31 : GrStencilBuffer(gpu, width, height, format.fStencilBits, sampleCnt) | 36 : GrStencilBuffer(gpu, idDesc.fLifeCycle, width, height, format.fStencil
Bits, sampleCnt) |
| 32 , fFormat(format) | 37 , fFormat(format) |
| 33 , fRenderbufferID(rbid) { | 38 , fRenderbufferID(idDesc.fRenderbufferID) { |
| 34 this->registerWithCache(); | 39 this->registerWithCache(); |
| 35 } | 40 } |
| 36 | 41 |
| 37 GrGLuint renderbufferID() const { | 42 GrGLuint renderbufferID() const { |
| 38 return fRenderbufferID; | 43 return fRenderbufferID; |
| 39 } | 44 } |
| 40 | 45 |
| 41 const Format& format() const { return fFormat; } | 46 const Format& format() const { return fFormat; } |
| 42 | 47 |
| 43 protected: | 48 protected: |
| 44 // overrides of GrResource | 49 // overrides of GrResource |
| 45 void onRelease() SK_OVERRIDE; | 50 void onRelease() SK_OVERRIDE; |
| 46 void onAbandon() SK_OVERRIDE; | 51 void onAbandon() SK_OVERRIDE; |
| 47 | 52 |
| 48 private: | 53 private: |
| 49 size_t onGpuMemorySize() const SK_OVERRIDE; | 54 size_t onGpuMemorySize() const SK_OVERRIDE; |
| 50 | 55 |
| 51 Format fFormat; | 56 Format fFormat; |
| 52 // may be zero for external SBs associated with external RTs | 57 // may be zero for external SBs associated with external RTs |
| 53 // (we don't require the client to give us the id, just tell | 58 // (we don't require the client to give us the id, just tell |
| 54 // us how many bits of stencil there are). | 59 // us how many bits of stencil there are). |
| 55 GrGLuint fRenderbufferID; | 60 GrGLuint fRenderbufferID; |
| 56 | 61 |
| 57 typedef GrStencilBuffer INHERITED; | 62 typedef GrStencilBuffer INHERITED; |
| 58 }; | 63 }; |
| 59 | 64 |
| 60 #endif | 65 #endif |
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