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// Copyright 2015 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_MOJO_GPU_MEMORY_BUFFER_H_
#define SERVICES_UI_PUBLIC_CPP_MOJO_GPU_MEMORY_BUFFER_H_
#include <stddef.h>
#include <memory>
#include "base/macros.h"
#include "services/ui/public/cpp/gpu_memory_buffer_impl.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer.h"
namespace ui {
class MojoGpuMemoryBufferImpl : public ui::GpuMemoryBufferImpl {
public:
~MojoGpuMemoryBufferImpl() override;
static std::unique_ptr<gfx::GpuMemoryBuffer> Create(const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage);
static std::unique_ptr<gfx::GpuMemoryBuffer> CreateFromHandle(
const gfx::GpuMemoryBufferHandle& handle,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage);
static MojoGpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer);
const unsigned char* GetMemory() const;
// Overridden from gfx::GpuMemoryBuffer:
bool Map() override;
void* memory(size_t plane) override;
void Unmap() override;
int stride(size_t plane) const override;
gfx::GpuMemoryBufferHandle GetHandle() const override;
// Overridden from gfx::GpuMemoryBufferImpl
gfx::GpuMemoryBufferType GetBufferType() const override;
private:
MojoGpuMemoryBufferImpl(const gfx::Size& size,
gfx::BufferFormat format,
std::unique_ptr<base::SharedMemory> shared_memory,
uint32_t offset,
int32_t stride);
std::unique_ptr<base::SharedMemory> shared_memory_;
const uint32_t offset_;
const int32_t stride_;
DISALLOW_COPY_AND_ASSIGN(MojoGpuMemoryBufferImpl);
};
} // namespace ui
#endif // SERVICES_UI_PUBLIC_CPP_MOJO_GPU_MEMORY_BUFFER_H_