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      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 
      9 
     10 #ifndef GrGLVertexBuffer_DEFINED
     11 #define GrGLVertexBuffer_DEFINED
     12 
     13 #include "GrVertexBuffer.h"
     14 #include "gl/GrGLInterface.h"
     15 
     16 class GrGpuGL;
     17 
     18 class GrGLVertexBuffer : public GrVertexBuffer {
     19 
     20 public:
     21     virtual ~GrGLVertexBuffer() { this->release(); }
     22     // overrides of GrVertexBuffer
     23     virtual void* lock();
     24     virtual void* lockPtr() const;
     25     virtual void unlock();
     26     virtual bool isLocked() const;
     27     virtual bool updateData(const void* src, size_t srcSizeInBytes);
     28     GrGLuint bufferID() const;
     29 
     30 protected:
     31     GrGLVertexBuffer(GrGpuGL* gpu,
     32                      bool isWrapped,
     33                      GrGLuint id,
     34                      size_t sizeInBytes,
     35                      bool dynamic);
     36 
     37     // overrides of GrResource
     38     virtual void onAbandon() SK_OVERRIDE;
     39     virtual void onRelease() SK_OVERRIDE;
     40 
     41 private:
     42     void bind() const;
     43 
     44     GrGLuint     fBufferID;
     45     void*        fLockPtr;
     46 
     47     friend class GrGpuGL;
     48 
     49     typedef GrVertexBuffer INHERITED;
     50 };
     51 
     52 #endif
     53