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//
// Copyright 2015 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.
//
// BufferGL.h: Defines the class interface for BufferGL.
#ifndef LIBANGLE_RENDERER_GL_BUFFERGL_H_
#define LIBANGLE_RENDERER_GL_BUFFERGL_H_
#include "common/MemoryBuffer.h"
#include "libANGLE/renderer/BufferImpl.h"
namespace rx
{
class FunctionsGL;
class StateManagerGL;
class BufferGL : public BufferImpl
{
public:
BufferGL(const gl::BufferState &state,
const FunctionsGL *functions,
StateManagerGL *stateManager);
~BufferGL() override;
gl::Error setData(ContextImpl *context,
GLenum target,
const void *data,
size_t size,
GLenum usage) override;
gl::Error setSubData(ContextImpl *context,
GLenum target,
const void *data,
size_t size,
size_t offset) override;
gl::Error copySubData(ContextImpl *contextImpl,
BufferImpl *source,
GLintptr sourceOffset,
GLintptr destOffset,
GLsizeiptr size) override;
gl::Error map(ContextImpl *contextImpl, GLenum access, void **mapPtr) override;
gl::Error mapRange(ContextImpl *contextImpl,
size_t offset,
size_t length,
GLbitfield access,
void **mapPtr) override;
gl::Error unmap(ContextImpl *contextImpl, GLboolean *result) override;
gl::Error getIndexRange(GLenum type,
size_t offset,
size_t count,
bool primitiveRestartEnabled,
gl::IndexRange *outRange) override;
GLuint getBufferID() const;
private:
bool mIsMapped;
size_t mMapOffset;
size_t mMapSize;
bool mShadowBufferData;
angle::MemoryBuffer mShadowCopy;
size_t mBufferSize;
const FunctionsGL *mFunctions;
StateManagerGL *mStateManager;
GLuint mBufferID;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_GL_BUFFERGL_H_
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