GrGLIndexBuffer.h revision 861e1037017bbb7ac52ec5ebecab3a636a82a3e8 
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 GrGLIndexBuffer_DEFINED
9#define GrGLIndexBuffer_DEFINED
10
11#include "GrIndexBuffer.h"
12#include "GrGLBufferImpl.h"
13#include "gl/GrGLInterface.h"
14
15class GrGLGpu;
16
17class GrGLIndexBuffer : public GrIndexBuffer {
18
19public:
20    typedef GrGLBufferImpl::Desc Desc;
21
22    GrGLIndexBuffer(GrGLGpu* gpu, const Desc& desc);
23
24    GrGLuint bufferID() const { return fImpl.bufferID(); }
25    size_t baseOffset() const { return fImpl.baseOffset(); }
26
27    void bind() const {
28        if (!this->wasDestroyed()) {
29            fImpl.bind(this->getGpuGL());
30        }
31    }
32
33protected:
34    virtual void onAbandon() SK_OVERRIDE;
35    virtual void onRelease() SK_OVERRIDE;
36
37private:
38    virtual void* onMap() SK_OVERRIDE;
39    virtual void onUnmap() SK_OVERRIDE;
40    virtual bool onUpdateData(const void* src, size_t srcSizeInBytes) SK_OVERRIDE;
41
42    GrGLGpu* getGpuGL() const {
43        SkASSERT(!this->wasDestroyed());
44        return (GrGLGpu*)(this->getGpu());
45    }
46
47    GrGLBufferImpl fImpl;
48
49    typedef GrIndexBuffer INHERITED;
50};
51
52#endif
53