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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 "common/mathutil.h"
#include "libANGLE/Error.h"
#include "libANGLE/PackedGLEnums.h"
#include <stdint.h>
namespace gl
{
class BufferState;
class Context;
}
namespace rx
{
class BufferImpl : angle::NonCopyable
{
public:
BufferImpl(const gl::BufferState &state) : mState(state) {}
virtual ~BufferImpl() {}
virtual void destroy(const gl::Context *context) {}
virtual gl::Error setData(const gl::Context *context,
gl::BufferBinding target,
const void *data,
size_t size,
gl::BufferUsage usage) = 0;
virtual gl::Error setSubData(const gl::Context *context,
gl::BufferBinding target,
const void *data,
size_t size,
size_t offset) = 0;
virtual gl::Error copySubData(const gl::Context *context,
BufferImpl *source,
GLintptr sourceOffset,
GLintptr destOffset,
GLsizeiptr size) = 0;
virtual gl::Error map(const gl::Context *context, GLenum access, void **mapPtr) = 0;
virtual gl::Error mapRange(const gl::Context *context,
size_t offset,
size_t length,
GLbitfield access,
void **mapPtr) = 0;
virtual gl::Error unmap(const gl::Context *context, GLboolean *result) = 0;
virtual gl::Error getIndexRange(const gl::Context *context,
GLenum type,
size_t offset,
size_t count,
bool primitiveRestartEnabled,
gl::IndexRange *outRange) = 0;
protected:
const gl::BufferState &mState;
};
}
#endif // LIBANGLE_RENDERER_BUFFERIMPL_H_
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