The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/gpu/gl/GrGLBufferImpl.h
gfx/skia/trunk/src/gpu/gl/GrGLBufferImpl.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:8dfb943223ec |
|---|---|
| 1 /* | |
| 2 * Copyright 2013 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef GrGLBufferImpl_DEFINED | |
| 9 #define GrGLBufferImpl_DEFINED | |
| 10 | |
| 11 #include "SkTypes.h" | |
| 12 #include "gl/GrGLFunctions.h" | |
| 13 | |
| 14 class GrGpuGL; | |
| 15 | |
| 16 /** | |
| 17 * This class serves as the implementation of GrGL*Buffer classes. It was written to avoid code | |
| 18 * duplication in those classes. | |
| 19 */ | |
| 20 class GrGLBufferImpl : public SkNoncopyable { | |
| 21 public: | |
| 22 struct Desc { | |
| 23 bool fIsWrapped; | |
| 24 GrGLuint fID; // set to 0 to indicate buffer is CPU-backed and not a VBO. | |
| 25 size_t fSizeInBytes; | |
| 26 bool fDynamic; | |
| 27 }; | |
| 28 | |
| 29 GrGLBufferImpl(GrGpuGL*, const Desc&, GrGLenum bufferType); | |
| 30 ~GrGLBufferImpl() { | |
| 31 // either release or abandon should have been called by the owner of this object. | |
| 32 SkASSERT(0 == fDesc.fID); | |
| 33 } | |
| 34 | |
| 35 void abandon(); | |
| 36 void release(GrGpuGL* gpu); | |
| 37 | |
| 38 GrGLuint bufferID() const { return fDesc.fID; } | |
| 39 size_t baseOffset() const { return reinterpret_cast<size_t>(fCPUData); } | |
| 40 | |
| 41 void bind(GrGpuGL* gpu) const; | |
| 42 | |
| 43 void* lock(GrGpuGL* gpu); | |
| 44 void* lockPtr() const { return fLockPtr; } | |
| 45 void unlock(GrGpuGL* gpu); | |
| 46 bool isLocked() const; | |
| 47 bool updateData(GrGpuGL* gpu, const void* src, size_t srcSizeInBytes); | |
| 48 | |
| 49 private: | |
| 50 void validate() const; | |
| 51 | |
| 52 Desc fDesc; | |
| 53 GrGLenum fBufferType; // GL_ARRAY_BUFFER or GL_ELEMENT_ARRAY_BUFFER | |
| 54 void* fCPUData; | |
| 55 void* fLockPtr; | |
| 56 | |
| 57 typedef SkNoncopyable INHERITED; | |
| 58 }; | |
| 59 | |
| 60 #endif |
