michael@0: //
michael@0: // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // BufferStorage.h Defines the abstract BufferStorage class.
michael@0: 
michael@0: #ifndef LIBGLESV2_RENDERER_BUFFERSTORAGE_H_
michael@0: #define LIBGLESV2_RENDERER_BUFFERSTORAGE_H_
michael@0: 
michael@0: #include "common/angleutils.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: 
michael@0: class BufferStorage
michael@0: {
michael@0:   public:
michael@0:     BufferStorage();
michael@0:     virtual ~BufferStorage();
michael@0: 
michael@0:     // The data returned is only guaranteed valid until next non-const method.
michael@0:     virtual void *getData() = 0;
michael@0:     virtual void setData(const void* data, unsigned int size, unsigned int offset) = 0;
michael@0:     virtual void clear() = 0;
michael@0:     virtual unsigned int getSize() const = 0;
michael@0:     virtual bool supportsDirectBinding() const = 0;
michael@0:     virtual void markBufferUsage();
michael@0:     unsigned int getSerial() const;
michael@0: 
michael@0:   protected:
michael@0:     void updateSerial();
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(BufferStorage);
michael@0: 
michael@0:     unsigned int mSerial;
michael@0:     static unsigned int mNextSerial;
michael@0: };
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif // LIBGLESV2_RENDERER_BUFFERSTORAGE_H_