gfx/layers/ImageTypes.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef GFX_IMAGETYPES_H
   7 #define GFX_IMAGETYPES_H
   8
   9 namespace mozilla {
  10
  11 enum ImageFormat {
  12   /**
  13    * The PLANAR_YCBCR format creates a PlanarYCbCrImage. All backends should
  14    * support this format, because the Ogg video decoder depends on it.
  15    * The maximum image width and height is 16384.
  16    */
  17   PLANAR_YCBCR,
  18
  19   /**
  20    * The GRALLOC_PLANAR_YCBCR format creates a GrallocPlanarYCbCrImage, a
  21    * subtype of PlanarYCbCrImage. It takes a PlanarYCbCrImage data and can be
  22    * used as a texture by Gonk backend directly.
  23    */
  24   GRALLOC_PLANAR_YCBCR,
  25
  26   /**
  27    * The SHARED_RGB format creates a SharedRGBImage, which stores RGB data in
  28    * shared memory. Some Android hardware video decoders require this format.
  29    * Currently only used on Android.
  30    */
  31   SHARED_RGB,
  32
  33   /**
  34    * The CAIRO_SURFACE format creates a CairoImage. All backends should
  35    * support this format, because video rendering sometimes requires it.
  36    *
  37    * This format is useful even though a ThebesLayer could be used.
  38    * It makes it easy to render a cairo surface when another Image format
  39    * could be used. It can also avoid copying the surface data in some
  40    * cases.
  41    *
  42    * Images in CAIRO_SURFACE format should only be created and
  43    * manipulated on the main thread, since the underlying cairo surface
  44    * is main-thread-only.
  45    */
  46   CAIRO_SURFACE,
  47
  48   /**
  49    * The MAC_IO_SURFACE format creates a MacIOSurfaceImage.
  50    *
  51    * It wraps an IOSurface object and binds it directly to a GL texture.
  52    */
  53   MAC_IO_SURFACE,
  54
  55   /**
  56    * The GONK_IO_SURFACE format creates a GonkIOSurfaceImage.
  57    *
  58    * It wraps an GraphicBuffer object and binds it directly to a GL texture.
  59    */
  60   GONK_IO_SURFACE,
  61
  62   /**
  63    * An bitmap image that can be shared with a remote process.
  64    */
  65   REMOTE_IMAGE_BITMAP,
  66
  67   /**
  68    * A OpenGL texture that can be shared across threads or processes
  69    */
  70   SHARED_TEXTURE,
  71
  72   /**
  73    * An DXGI shared surface handle that can be shared with a remote process.
  74    */
  75   REMOTE_IMAGE_DXGI_TEXTURE
  76 };
  77
  78
  79 enum StereoMode {
  80   STEREO_MODE_MONO,
  81   STEREO_MODE_LEFT_RIGHT,
  82   STEREO_MODE_RIGHT_LEFT,
  83   STEREO_MODE_BOTTOM_TOP,
  84   STEREO_MODE_TOP_BOTTOM
  85 };
  86
  87
  88 } // namespace
  89
  90 #endif