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 |