1/*
2 * Copyright 2011 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 GrGLVertexBuffer_DEFINED
9#define GrGLVertexBuffer_DEFINED
10
11#include "GrVertexBuffer.h"
12#include "GrGLBufferImpl.h"
13#include "gl/GrGLInterface.h"
14
15class GrGpuGL;
16
17class GrGLVertexBuffer : public GrVertexBuffer {
18
19public:
20    typedef GrGLBufferImpl::Desc Desc;
21
22    GrGLVertexBuffer(GrGpuGL* gpu, const Desc& desc);
23    virtual ~GrGLVertexBuffer() { this->release(); }
24
25    GrGLuint bufferID() const { return fImpl.bufferID(); }
26    size_t baseOffset() const { return fImpl.baseOffset(); }
27
28    void bind() const {
29        if (this->isValid()) {
30            fImpl.bind(this->getGpuGL());
31        }
32    }
33
34    // overrides of GrVertexBuffer
35    virtual void* lock();
36    virtual void* lockPtr() const;
37    virtual void unlock();
38    virtual bool isLocked() const;
39    virtual bool updateData(const void* src, size_t srcSizeInBytes);
40
41protected:
42    // overrides of GrResource
43    virtual void onAbandon() SK_OVERRIDE;
44    virtual void onRelease() SK_OVERRIDE;
45
46private:
47    GrGpuGL* getGpuGL() const {
48        SkASSERT(this->isValid());
49        return (GrGpuGL*)(this->getGpu());
50    }
51
52    GrGLBufferImpl fImpl;
53
54    typedef GrVertexBuffer INHERITED;
55};
56
57#endif
58