| Index: content/common/gpu/gpu_memory_buffer_factory_io_surface.cc
|
| diff --git a/content/common/gpu/gpu_memory_buffer_factory_io_surface.cc b/content/common/gpu/gpu_memory_buffer_factory_io_surface.cc
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..dcbf8d1efc43bc3b2373336b53d100a1a85f57f5
|
| --- /dev/null
|
| +++ b/content/common/gpu/gpu_memory_buffer_factory_io_surface.cc
|
| @@ -0,0 +1,100 @@
|
| +// 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.
|
| +
|
| +#include "content/common/gpu/gpu_memory_buffer_factory_io_surface.h"
|
| +
|
| +#include <vector>
|
| +
|
| +#include "base/logging.h"
|
| +#include "ui/gfx/buffer_format_util.h"
|
| +#include "ui/gfx/mac/io_surface.h"
|
| +#include "ui/gl/gl_image_io_surface.h"
|
| +
|
| +namespace content {
|
| +
|
| +GpuMemoryBufferFactoryIOSurface::GpuMemoryBufferFactoryIOSurface() {
|
| +}
|
| +
|
| +GpuMemoryBufferFactoryIOSurface::~GpuMemoryBufferFactoryIOSurface() {
|
| +}
|
| +
|
| +gfx::GpuMemoryBufferHandle
|
| +GpuMemoryBufferFactoryIOSurface::CreateGpuMemoryBuffer(
|
| + gfx::GpuMemoryBufferId id,
|
| + const gfx::Size& size,
|
| + gfx::BufferFormat format,
|
| + gfx::BufferUsage usage,
|
| + int client_id,
|
| + gpu::SurfaceHandle surface_handle) {
|
| + base::ScopedCFTypeRef<IOSurfaceRef> io_surface(
|
| + gfx::CreateIOSurface(size, format));
|
| + if (!io_surface)
|
| + return gfx::GpuMemoryBufferHandle();
|
| +
|
| + {
|
| + base::AutoLock lock(io_surfaces_lock_);
|
| +
|
| + IOSurfaceMapKey key(id, client_id);
|
| + DCHECK(io_surfaces_.find(key) == io_surfaces_.end());
|
| + io_surfaces_[key] = io_surface;
|
| + }
|
| +
|
| + gfx::GpuMemoryBufferHandle handle;
|
| + handle.type = gfx::IO_SURFACE_BUFFER;
|
| + handle.id = id;
|
| + handle.mach_port.reset(IOSurfaceCreateMachPort(io_surface));
|
| + return handle;
|
| +}
|
| +
|
| +gfx::GpuMemoryBufferHandle
|
| +GpuMemoryBufferFactoryIOSurface::CreateGpuMemoryBufferFromHandle(
|
| + const gfx::GpuMemoryBufferHandle& handle,
|
| + gfx::GpuMemoryBufferId id,
|
| + const gfx::Size& size,
|
| + gfx::BufferFormat format,
|
| + int client_id) {
|
| + NOTIMPLEMENTED();
|
| + return gfx::GpuMemoryBufferHandle();
|
| +}
|
| +
|
| +void GpuMemoryBufferFactoryIOSurface::DestroyGpuMemoryBuffer(
|
| + gfx::GpuMemoryBufferId id,
|
| + int client_id) {
|
| + {
|
| + base::AutoLock lock(io_surfaces_lock_);
|
| +
|
| + IOSurfaceMapKey key(id, client_id);
|
| + DCHECK(io_surfaces_.find(key) != io_surfaces_.end());
|
| + io_surfaces_.erase(key);
|
| + }
|
| +}
|
| +
|
| +gpu::ImageFactory* GpuMemoryBufferFactoryIOSurface::AsImageFactory() {
|
| + return this;
|
| +}
|
| +
|
| +scoped_refptr<gl::GLImage>
|
| +GpuMemoryBufferFactoryIOSurface::CreateImageForGpuMemoryBuffer(
|
| + const gfx::GpuMemoryBufferHandle& handle,
|
| + const gfx::Size& size,
|
| + gfx::BufferFormat format,
|
| + unsigned internalformat,
|
| + int client_id) {
|
| + base::AutoLock lock(io_surfaces_lock_);
|
| +
|
| + DCHECK_EQ(handle.type, gfx::IO_SURFACE_BUFFER);
|
| + IOSurfaceMapKey key(handle.id, client_id);
|
| + IOSurfaceMap::iterator it = io_surfaces_.find(key);
|
| + if (it == io_surfaces_.end())
|
| + return scoped_refptr<gl::GLImage>();
|
| +
|
| + scoped_refptr<gl::GLImageIOSurface> image(
|
| + new gl::GLImageIOSurface(size, internalformat));
|
| + if (!image->Initialize(it->second.get(), handle.id, format))
|
| + return scoped_refptr<gl::GLImage>();
|
| +
|
| + return image;
|
| +}
|
| +
|
| +} // namespace content
|
|
|