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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "gpu/ipc/service/gpu_memory_buffer_factory_io_surface.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "base/logging.h" | |
| 10 #include "ui/gfx/buffer_format_util.h" | |
| 11 #include "ui/gfx/mac/io_surface.h" | |
| 12 #include "ui/gl/gl_image_io_surface.h" | |
| 13 | |
| 14 namespace gpu { | |
| 15 | |
| 16 GpuMemoryBufferFactoryIOSurface::GpuMemoryBufferFactoryIOSurface() { | |
| 17 } | |
| 18 | |
| 19 GpuMemoryBufferFactoryIOSurface::~GpuMemoryBufferFactoryIOSurface() { | |
| 20 } | |
| 21 | |
| 22 gfx::GpuMemoryBufferHandle | |
| 23 GpuMemoryBufferFactoryIOSurface::CreateGpuMemoryBuffer( | |
| 24 gfx::GpuMemoryBufferId id, | |
| 25 const gfx::Size& size, | |
| 26 gfx::BufferFormat format, | |
| 27 gfx::BufferUsage usage, | |
| 28 int client_id, | |
| 29 SurfaceHandle surface_handle) { | |
| 30 base::ScopedCFTypeRef<IOSurfaceRef> io_surface( | |
| 31 gfx::CreateIOSurface(size, format)); | |
| 32 if (!io_surface) | |
| 33 return gfx::GpuMemoryBufferHandle(); | |
| 34 | |
| 35 { | |
| 36 base::AutoLock lock(io_surfaces_lock_); | |
| 37 | |
| 38 IOSurfaceMapKey key(id, client_id); | |
| 39 DCHECK(io_surfaces_.find(key) == io_surfaces_.end()); | |
| 40 io_surfaces_[key] = io_surface; | |
| 41 } | |
| 42 | |
| 43 gfx::GpuMemoryBufferHandle handle; | |
| 44 handle.type = gfx::IO_SURFACE_BUFFER; | |
| 45 handle.id = id; | |
| 46 handle.mach_port.reset(IOSurfaceCreateMachPort(io_surface)); | |
| 47 return handle; | |
| 48 } | |
| 49 | |
| 50 gfx::GpuMemoryBufferHandle | |
| 51 GpuMemoryBufferFactoryIOSurface::CreateGpuMemoryBufferFromHandle( | |
| 52 const gfx::GpuMemoryBufferHandle& handle, | |
| 53 gfx::GpuMemoryBufferId id, | |
| 54 const gfx::Size& size, | |
| 55 gfx::BufferFormat format, | |
| 56 int client_id) { | |
| 57 NOTIMPLEMENTED(); | |
| 58 return gfx::GpuMemoryBufferHandle(); | |
| 59 } | |
| 60 | |
| 61 void GpuMemoryBufferFactoryIOSurface::DestroyGpuMemoryBuffer( | |
| 62 gfx::GpuMemoryBufferId id, | |
| 63 int client_id) { | |
| 64 { | |
| 65 base::AutoLock lock(io_surfaces_lock_); | |
| 66 | |
| 67 IOSurfaceMapKey key(id, client_id); | |
| 68 DCHECK(io_surfaces_.find(key) != io_surfaces_.end()); | |
| 69 io_surfaces_.erase(key); | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 ImageFactory* GpuMemoryBufferFactoryIOSurface::AsImageFactory() { | |
| 74 return this; | |
| 75 } | |
| 76 | |
| 77 scoped_refptr<gl::GLImage> | |
| 78 GpuMemoryBufferFactoryIOSurface::CreateImageForGpuMemoryBuffer( | |
| 79 const gfx::GpuMemoryBufferHandle& handle, | |
| 80 const gfx::Size& size, | |
| 81 gfx::BufferFormat format, | |
| 82 unsigned internalformat, | |
| 83 int client_id) { | |
| 84 base::AutoLock lock(io_surfaces_lock_); | |
| 85 | |
| 86 DCHECK_EQ(handle.type, gfx::IO_SURFACE_BUFFER); | |
| 87 IOSurfaceMapKey key(handle.id, client_id); | |
| 88 IOSurfaceMap::iterator it = io_surfaces_.find(key); | |
| 89 if (it == io_surfaces_.end()) | |
| 90 return scoped_refptr<gl::GLImage>(); | |
| 91 | |
| 92 scoped_refptr<gl::GLImageIOSurface> image( | |
| 93 new gl::GLImageIOSurface(size, internalformat)); | |
| 94 if (!image->Initialize(it->second.get(), handle.id, format)) | |
| 95 return scoped_refptr<gl::GLImage>(); | |
| 96 | |
| 97 return image; | |
| 98 } | |
| 99 | |
| 100 } // namespace gpu | |
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