gfx/layers/MacIOSurfaceHelpers.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef GFX_MACIOSURFACEHELPERS_H
   8 #define GFX_MACIOSURFACEHELPERS_H
   9
  10 #include "ImageContainer.h"
  11
  12 class MacIOSurface;
  13 template <class T>
  14 struct already_AddRefed;
  15
  16 namespace mozilla {
  17
  18 namespace gfx {
  19 class SourceSurface;
  20 }
  21
  22 namespace layers {
  23
  24 // Unlike MacIOSurface::GetAsSurface, this also handles IOSurface formats
  25 // with multiple planes and does YCbCr to RGB conversion, if necessary.
  26 already_AddRefed<gfx::SourceSurface> CreateSourceSurfaceFromMacIOSurface(
  27     MacIOSurface* aSurface);
  28
  29 nsresult CreateSurfaceDescriptorBufferFromMacIOSurface(
  30     MacIOSurface* aSurface, SurfaceDescriptorBuffer& aSdBuffer,
  31     Image::BuildSdbFlags aFlags,
  32     const std::function<MemoryOrShmem(uint32_t)>& aAllocate);
  33
  34 }  // namespace layers
  35 }  // namespace mozilla
  36
  37 #endif  // GFX_MACIOSURFACEHELPERS_H