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// Copyright 2014 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 GPU_IPC_SERVICE_GPU_MEMORY_BUFFER_FACTORY_H_
#define GPU_IPC_SERVICE_GPU_MEMORY_BUFFER_FACTORY_H_
#include <memory>
#include <vector>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "gpu/gpu_export.h"
#include "gpu/ipc/common/surface_handle.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer.h"
namespace gpu {
class ImageFactory;
class GPU_EXPORT GpuMemoryBufferFactory {
public:
virtual ~GpuMemoryBufferFactory() {}
// Creates a new factory instance for native GPU memory buffers.
static std::unique_ptr<GpuMemoryBufferFactory> CreateNativeType();
// Creates a new GPU memory buffer instance. A valid handle is returned on
// success. It can be called on any thread.
virtual gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(
gfx::GpuMemoryBufferId id,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
int client_id,
SurfaceHandle surface_handle) = 0;
// Creates a new GPU memory buffer instance from an existing handle. A valid
// handle is returned on success. It can be called on any thread.
virtual gfx::GpuMemoryBufferHandle CreateGpuMemoryBufferFromHandle(
const gfx::GpuMemoryBufferHandle& handle,
gfx::GpuMemoryBufferId id,
const gfx::Size& size,
gfx::BufferFormat format,
int client_id) = 0;
// Destroys GPU memory buffer identified by |id|.
// It can be called on any thread.
virtual void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
int client_id) = 0;
// Type-checking downcast routine.
virtual ImageFactory* AsImageFactory() = 0;
protected:
GpuMemoryBufferFactory() {}
private:
DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactory);
};
} // namespace gpu
#endif // GPU_IPC_SERVICE_GPU_MEMORY_BUFFER_FACTORY_H_