gfx/skia/trunk/src/gpu/gl/GrGLBufferImpl.h@6474c204b198 (annotated)
gfx/skia/trunk/src/gpu/gl/GrGLBufferImpl.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef GrGLBufferImpl_DEFINED |
| michael@0 | 9 | #define GrGLBufferImpl_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkTypes.h" |
| michael@0 | 12 | #include "gl/GrGLFunctions.h" |
| michael@0 | 13 | |
| michael@0 | 14 | class GrGpuGL; |
| michael@0 | 15 | |
| michael@0 | 16 | /** |
| michael@0 | 17 | * This class serves as the implementation of GrGL*Buffer classes. It was written to avoid code |
| michael@0 | 18 | * duplication in those classes. |
| michael@0 | 19 | */ |
| michael@0 | 20 | class GrGLBufferImpl : public SkNoncopyable { |
| michael@0 | 21 | public: |
| michael@0 | 22 | struct Desc { |
| michael@0 | 23 | bool fIsWrapped; |
| michael@0 | 24 | GrGLuint fID; // set to 0 to indicate buffer is CPU-backed and not a VBO. |
| michael@0 | 25 | size_t fSizeInBytes; |
| michael@0 | 26 | bool fDynamic; |
| michael@0 | 27 | }; |
| michael@0 | 28 | |
| michael@0 | 29 | GrGLBufferImpl(GrGpuGL*, const Desc&, GrGLenum bufferType); |
| michael@0 | 30 | ~GrGLBufferImpl() { |
| michael@0 | 31 | // either release or abandon should have been called by the owner of this object. |
| michael@0 | 32 | SkASSERT(0 == fDesc.fID); |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | void abandon(); |
| michael@0 | 36 | void release(GrGpuGL* gpu); |
| michael@0 | 37 | |
| michael@0 | 38 | GrGLuint bufferID() const { return fDesc.fID; } |
| michael@0 | 39 | size_t baseOffset() const { return reinterpret_cast<size_t>(fCPUData); } |
| michael@0 | 40 | |
| michael@0 | 41 | void bind(GrGpuGL* gpu) const; |
| michael@0 | 42 | |
| michael@0 | 43 | void* lock(GrGpuGL* gpu); |
| michael@0 | 44 | void* lockPtr() const { return fLockPtr; } |
| michael@0 | 45 | void unlock(GrGpuGL* gpu); |
| michael@0 | 46 | bool isLocked() const; |
| michael@0 | 47 | bool updateData(GrGpuGL* gpu, const void* src, size_t srcSizeInBytes); |
| michael@0 | 48 | |
| michael@0 | 49 | private: |
| michael@0 | 50 | void validate() const; |
| michael@0 | 51 | |
| michael@0 | 52 | Desc fDesc; |
| michael@0 | 53 | GrGLenum fBufferType; // GL_ARRAY_BUFFER or GL_ELEMENT_ARRAY_BUFFER |
| michael@0 | 54 | void* fCPUData; |
| michael@0 | 55 | void* fLockPtr; |
| michael@0 | 56 | |
| michael@0 | 57 | typedef SkNoncopyable INHERITED; |
| michael@0 | 58 | }; |
| michael@0 | 59 | |
| michael@0 | 60 | #endif |
