Home | History | Annotate | Download | only in include
      1 /*
      2     Copyright 2011 Google Inc.
      3 
      4     Licensed under the Apache License, Version 2.0 (the "License");
      5     you may not use this file except in compliance with the License.
      6     You may obtain a copy of the License at
      7 
      8          http://www.apache.org/licenses/LICENSE-2.0
      9 
     10     Unless required by applicable law or agreed to in writing, software
     11     distributed under the License is distributed on an "AS IS" BASIS,
     12     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13     See the License for the specific language governing permissions and
     14     limitations under the License.
     15  */
     16 
     17 
     18 #ifndef GrGLVertexBuffer_DEFINED
     19 #define GrGLVertexBuffer_DEFINED
     20 
     21 #include "GrVertexBuffer.h"
     22 #include "GrGLInterface.h"
     23 
     24 class GrGpuGL;
     25 
     26 class GrGLVertexBuffer : public GrVertexBuffer {
     27 
     28 public:
     29     virtual ~GrGLVertexBuffer() { this->release(); }
     30     // overrides of GrVertexBuffer
     31     virtual void* lock();
     32     virtual void* lockPtr() const;
     33     virtual void unlock();
     34     virtual bool isLocked() const;
     35     virtual bool updateData(const void* src, size_t srcSizeInBytes);
     36     virtual bool updateSubData(const void* src,
     37                                size_t srcSizeInBytes,
     38                                size_t offset);
     39     GrGLuint bufferID() const;
     40 
     41 protected:
     42     GrGLVertexBuffer(GrGpuGL* gpu,
     43                      GrGLuint id,
     44                      size_t sizeInBytes,
     45                      bool dynamic);
     46 
     47     // overrides of GrResource
     48     virtual void onAbandon();
     49     virtual void onRelease();
     50 
     51 private:
     52     void bind() const;
     53 
     54     GrGLuint     fBufferID;
     55     void*        fLockPtr;
     56 
     57     friend class GrGpuGL;
     58 
     59     typedef GrVertexBuffer INHERITED;
     60 };
     61 
     62 #endif
     63