| // 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 <CoreFoundation/CoreFoundation.h> |
| |
| #include "content/common/gpu/client/gpu_memory_buffer_impl_io_surface.h" |
| #include "ui/gl/gl_image_io_surface.h" |
| |
| namespace content { |
| namespace { |
| |
| void AddBooleanValue(CFMutableDictionaryRef dictionary, |
| const CFStringRef key, |
| bool value) { |
| CFDictionaryAddValue( |
| dictionary, key, value ? kCFBooleanTrue : kCFBooleanFalse); |
| } |
| |
| void AddIntegerValue(CFMutableDictionaryRef dictionary, |
| const CFStringRef key, |
| int32 value) { |
| base::ScopedCFTypeRef<CFNumberRef> number( |
| CFNumberCreate(NULL, kCFNumberSInt32Type, &value)); |
| CFDictionaryAddValue(dictionary, key, number.get()); |
| } |
| |
| } // namespace |
| |
| GpuMemoryBufferFactoryIOSurface::GpuMemoryBufferFactoryIOSurface() { |
| } |
| |
| GpuMemoryBufferFactoryIOSurface::~GpuMemoryBufferFactoryIOSurface() { |
| } |
| |
| gfx::GpuMemoryBufferHandle |
| GpuMemoryBufferFactoryIOSurface::CreateGpuMemoryBuffer( |
| const gfx::GpuMemoryBufferId& id, |
| const gfx::Size& size, |
| gfx::GpuMemoryBuffer::Format format) { |
| base::ScopedCFTypeRef<CFMutableDictionaryRef> properties; |
| properties.reset(CFDictionaryCreateMutable(kCFAllocatorDefault, |
| 0, |
| &kCFTypeDictionaryKeyCallBacks, |
| &kCFTypeDictionaryValueCallBacks)); |
| AddIntegerValue(properties, kIOSurfaceWidth, size.width()); |
| AddIntegerValue(properties, kIOSurfaceHeight, size.height()); |
| AddIntegerValue(properties, |
| kIOSurfaceBytesPerElement, |
| GpuMemoryBufferImpl::BytesPerPixel(format)); |
| AddIntegerValue(properties, |
| kIOSurfacePixelFormat, |
| GpuMemoryBufferImplIOSurface::PixelFormat(format)); |
| // TODO(reveman): Remove this when using a mach_port_t to transfer |
| // IOSurface to browser and renderer process. crbug.com/323304 |
| AddBooleanValue(properties, kIOSurfaceIsGlobal, true); |
| |
| base::ScopedCFTypeRef<IOSurfaceRef> io_surface(IOSurfaceCreate(properties)); |
| if (!io_surface) |
| return gfx::GpuMemoryBufferHandle(); |
| |
| IOSurfaceMapKey key(id.primary_id, id.secondary_id); |
| DCHECK(io_surfaces_.find(key) == io_surfaces_.end()); |
| io_surfaces_[key] = io_surface; |
| |
| gfx::GpuMemoryBufferHandle handle; |
| handle.type = gfx::IO_SURFACE_BUFFER; |
| handle.global_id = id; |
| handle.io_surface_id = IOSurfaceGetID(io_surface); |
| return handle; |
| } |
| |
| void GpuMemoryBufferFactoryIOSurface::DestroyGpuMemoryBuffer( |
| const gfx::GpuMemoryBufferId& id) { |
| IOSurfaceMapKey key(id.primary_id, id.secondary_id); |
| IOSurfaceMap::iterator it = io_surfaces_.find(key); |
| if (it != io_surfaces_.end()) |
| io_surfaces_.erase(it); |
| } |
| |
| scoped_refptr<gfx::GLImage> |
| GpuMemoryBufferFactoryIOSurface::CreateImageForGpuMemoryBuffer( |
| const gfx::GpuMemoryBufferId& id, |
| const gfx::Size& size, |
| gfx::GpuMemoryBuffer::Format format) { |
| IOSurfaceMapKey key(id.primary_id, id.secondary_id); |
| IOSurfaceMap::iterator it = io_surfaces_.find(key); |
| if (it == io_surfaces_.end()) |
| return scoped_refptr<gfx::GLImage>(); |
| |
| scoped_refptr<gfx::GLImageIOSurface> image(new gfx::GLImageIOSurface(size)); |
| if (!image->Initialize(it->second.get())) |
| return scoped_refptr<gfx::GLImage>(); |
| |
| return image; |
| } |
| |
| } // namespace content |