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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 GrGLStencilBuffer(GrGpu* gpu, | 26 GrGLStencilBuffer(GrGpu* gpu, |
| 27 bool isWrapped, | |
| 28 GrGLint rbid, | 27 GrGLint rbid, |
| 29 int width, int height, | 28 int width, int height, |
| 30 int sampleCnt, | 29 int sampleCnt, |
| 31 const Format& format) | 30 const Format& format) |
| 32 : GrStencilBuffer(gpu, isWrapped, width, height, format.fStencilBits, sa
mpleCnt) | 31 : GrStencilBuffer(gpu, width, height, format.fStencilBits, sampleCnt) |
| 33 , fFormat(format) | 32 , fFormat(format) |
| 34 , fRenderbufferID(rbid) { | 33 , fRenderbufferID(rbid) { |
| 35 this->registerWithCache(); | 34 this->registerWithCache(); |
| 36 } | 35 } |
| 37 | 36 |
| 38 GrGLuint renderbufferID() const { | 37 GrGLuint renderbufferID() const { |
| 39 return fRenderbufferID; | 38 return fRenderbufferID; |
| 40 } | 39 } |
| 41 | 40 |
| 42 const Format& format() const { return fFormat; } | 41 const Format& format() const { return fFormat; } |
| 43 | 42 |
| 44 protected: | 43 protected: |
| 45 // overrides of GrResource | 44 // overrides of GrResource |
| 46 void onRelease() SK_OVERRIDE; | 45 void onRelease() SK_OVERRIDE; |
| 47 void onAbandon() SK_OVERRIDE; | 46 void onAbandon() SK_OVERRIDE; |
| 48 | 47 |
| 49 private: | 48 private: |
| 50 size_t onGpuMemorySize() const SK_OVERRIDE; | 49 size_t onGpuMemorySize() const SK_OVERRIDE; |
| 51 | 50 |
| 52 Format fFormat; | 51 Format fFormat; |
| 53 // may be zero for external SBs associated with external RTs | 52 // may be zero for external SBs associated with external RTs |
| 54 // (we don't require the client to give us the id, just tell | 53 // (we don't require the client to give us the id, just tell |
| 55 // us how many bits of stencil there are). | 54 // us how many bits of stencil there are). |
| 56 GrGLuint fRenderbufferID; | 55 GrGLuint fRenderbufferID; |
| 57 | 56 |
| 58 typedef GrStencilBuffer INHERITED; | 57 typedef GrStencilBuffer INHERITED; |
| 59 }; | 58 }; |
| 60 | 59 |
| 61 #endif | 60 #endif |
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