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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_UI_PUBLIC_CPP_GPU_MEMORY_BUFFER_IMPL_H_
#define SERVICES_UI_PUBLIC_CPP_GPU_MEMORY_BUFFER_IMPL_H_
#include <memory>
#include "base/callback.h"
#include "base/macros.h"
#include "gpu/command_buffer/common/sync_token.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer.h"
#if defined(USE_OZONE)
#include "ui/ozone/public/native_pixmap.h"
#endif
namespace ui {
// Provides common implementation of a GPU memory buffer.
class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
public:
~GpuMemoryBufferImpl() override;
// Type-checking upcast routine. Returns an NULL on failure.
static GpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer);
// Overridden from gfx::GpuMemoryBuffer:
gfx::Size GetSize() const override;
gfx::BufferFormat GetFormat() const override;
gfx::GpuMemoryBufferId GetId() const override;
ClientBuffer AsClientBuffer() override;
// Returns the type of this GpuMemoryBufferImpl.
virtual gfx::GpuMemoryBufferType GetBufferType() const = 0;
#if defined(USE_OZONE)
// Returns a ui::NativePixmap when one is available.
virtual scoped_refptr<ui::NativePixmap> GetNativePixmap();
#endif
protected:
GpuMemoryBufferImpl(gfx::GpuMemoryBufferId id,
const gfx::Size& size,
gfx::BufferFormat format);
const gfx::GpuMemoryBufferId id_;
const gfx::Size size_;
const gfx::BufferFormat format_;
bool mapped_;
private:
DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImpl);
};
} // namespace ui
#endif // SERVICES_UI_PUBLIC_CPP_GPU_MEMORY_BUFFER_IMPL_H_