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//
// Copyright 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.
//
// BufferImpl.h: Defines the abstract rx::BufferImpl class.
#ifndef LIBANGLE_RENDERER_BUFFERIMPL_H_
#define LIBANGLE_RENDERER_BUFFERIMPL_H_
#include "common/angleutils.h"
#include "libANGLE/Buffer.h"
#include <stdint.h>
namespace rx
{
class BufferImpl : angle::NonCopyable
{
public:
virtual ~BufferImpl() { }
virtual gl::Error setData(const void* data, size_t size, GLenum usage) = 0;
virtual gl::Error setSubData(const void* data, size_t size, size_t offset) = 0;
virtual gl::Error copySubData(BufferImpl* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size) = 0;
virtual gl::Error map(size_t offset, size_t length, GLbitfield access, GLvoid **mapPtr) = 0;
virtual gl::Error unmap() = 0;
// This method may not have a corresponding GL-backed function. It is necessary
// for validation, for certain indexed draw calls.
virtual gl::Error getData(const uint8_t **outData) = 0;
};
}
#endif // LIBANGLE_RENDERER_BUFFERIMPL_H_
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