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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_IO_SURFACE_H_
#define GPU_IPC_SERVICE_GPU_MEMORY_BUFFER_FACTORY_IO_SURFACE_H_
#include <utility>
#include <IOSurface/IOSurface.h>
#include "base/containers/hash_tables.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/synchronization/lock.h"
#include "gpu/command_buffer/service/image_factory.h"
#include "gpu/gpu_export.h"
#include "gpu/ipc/service/gpu_memory_buffer_factory.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gfx/mac/io_surface.h"
namespace gl {
class GLImage;
}
namespace gpu {
class GPU_EXPORT GpuMemoryBufferFactoryIOSurface
: public GpuMemoryBufferFactory,
public ImageFactory {
public:
GpuMemoryBufferFactoryIOSurface();
~GpuMemoryBufferFactoryIOSurface() override;
// Overridden from GpuMemoryBufferFactory:
gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(
gfx::GpuMemoryBufferId id,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
int client_id,
SurfaceHandle surface_handle) override;
void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
int client_id) override;
ImageFactory* AsImageFactory() override;
// Overridden from ImageFactory:
scoped_refptr<gl::GLImage> CreateImageForGpuMemoryBuffer(
const gfx::GpuMemoryBufferHandle& handle,
const gfx::Size& size,
gfx::BufferFormat format,
unsigned internalformat,
int client_id,
SurfaceHandle surface_handle) override;
scoped_refptr<gl::GLImage> CreateAnonymousImage(
const gfx::Size& size,
gfx::BufferFormat format,
unsigned internalformat) override;
unsigned RequiredTextureType() override;
bool SupportsFormatRGB() override;
private:
typedef std::pair<gfx::IOSurfaceId, int> IOSurfaceMapKey;
typedef base::hash_map<IOSurfaceMapKey, base::ScopedCFTypeRef<IOSurfaceRef>>
IOSurfaceMap;
// TOOD(reveman): Remove |io_surfaces_| and allow IOSurface backed GMBs to be
// used with any GPU process by passing a mach_port to CreateImageCHROMIUM.
IOSurfaceMap io_surfaces_;
base::Lock io_surfaces_lock_;
DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactoryIOSurface);
};
} // namespace gpu
#endif // GPU_IPC_SERVICE_GPU_MEMORY_BUFFER_FACTORY_IO_SURFACE_H_
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