gfx/layers/ImageTypes.h@97036ab72558
gfx/layers/ImageTypes.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
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/. */
6 #ifndef GFX_IMAGETYPES_H
7 #define GFX_IMAGETYPES_H
9 #include "mozilla/TypedEnum.h"
11 namespace mozilla {
13 MOZ_BEGIN_ENUM_CLASS(ImageFormat)
14 /**
15 * The PLANAR_YCBCR format creates a PlanarYCbCrImage. All backends should
16 * support this format, because the Ogg video decoder depends on it.
17 * The maximum image width and height is 16384.
18 */
19 PLANAR_YCBCR,
21 /**
22 * The GRALLOC_PLANAR_YCBCR format creates a GrallocImage, a subtype of
23 * PlanarYCbCrImage. It takes a PlanarYCbCrImage data or the raw gralloc
24 * data and can be used as a texture by Gonk backend directly.
25 */
26 GRALLOC_PLANAR_YCBCR,
28 /**
29 * The SHARED_RGB format creates a SharedRGBImage, which stores RGB data in
30 * shared memory. Some Android hardware video decoders require this format.
31 * Currently only used on Android.
32 */
33 SHARED_RGB,
35 /**
36 * The CAIRO_SURFACE format creates a CairoImage. All backends should
37 * support this format, because video rendering sometimes requires it.
38 *
39 * This format is useful even though a ThebesLayer could be used.
40 * It makes it easy to render a cairo surface when another Image format
41 * could be used. It can also avoid copying the surface data in some
42 * cases.
43 *
44 * Images in CAIRO_SURFACE format should only be created and
45 * manipulated on the main thread, since the underlying cairo surface
46 * is main-thread-only.
47 */
48 CAIRO_SURFACE,
50 /**
51 * A MacIOSurface object.
52 */
53 MAC_IOSURFACE,
55 /**
56 * An bitmap image that can be shared with a remote process.
57 */
58 REMOTE_IMAGE_BITMAP,
60 /**
61 * A OpenGL texture that can be shared across threads or processes
62 */
63 SHARED_TEXTURE,
65 /**
66 * An DXGI shared surface handle that can be shared with a remote process.
67 */
68 REMOTE_IMAGE_DXGI_TEXTURE,
70 /**
71 * The D3D9_RGB32_TEXTURE format creates a D3D9SurfaceImage, and wraps a
72 * IDirect3DTexture9 in RGB32 layout.
73 */
74 D3D9_RGB32_TEXTURE
75 MOZ_END_ENUM_CLASS(ImageFormat)
77 MOZ_BEGIN_ENUM_CLASS(StereoMode)
78 MONO,
79 LEFT_RIGHT,
80 RIGHT_LEFT,
81 BOTTOM_TOP,
82 TOP_BOTTOM
83 MOZ_END_ENUM_CLASS(StereoMode)
85 } // namespace
87 #endif
