| // |
| // Copyright (c) 2014 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // BufferStorage.h Defines the abstract BufferStorage class. |
| |
| #ifndef LIBGLESV2_RENDERER_BUFFERSTORAGE_H_ |
| #define LIBGLESV2_RENDERER_BUFFERSTORAGE_H_ |
| |
| #include "common/angleutils.h" |
| |
| namespace rx |
| { |
| |
| class BufferStorage |
| { |
| public: |
| BufferStorage(); |
| virtual ~BufferStorage(); |
| |
| // The data returned is only guaranteed valid until next non-const method. |
| virtual void *getData() = 0; |
| virtual void setData(const void* data, size_t size, size_t offset) = 0; |
| virtual void copyData(BufferStorage* sourceStorage, size_t size, size_t sourceOffset, size_t destOffset) = 0; |
| virtual void clear() = 0; |
| virtual void markTransformFeedbackUsage() = 0; |
| virtual size_t getSize() const = 0; |
| virtual bool supportsDirectBinding() const = 0; |
| unsigned int getSerial() const; |
| |
| virtual bool isMapped() const = 0; |
| virtual void *map(GLbitfield access) = 0; |
| virtual void unmap() = 0; |
| |
| protected: |
| void updateSerial(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(BufferStorage); |
| |
| unsigned int mSerial; |
| static unsigned int mNextSerial; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_RENDERER_BUFFERSTORAGE_H_ |