gecko-dev/gfx/layers/ImageTypes.h

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFX_IMAGETYPES_H
#define GFX_IMAGETYPES_H
namespace mozilla {
enum class ImageFormat {
/**
* The PLANAR_YCBCR format creates a PlanarYCbCrImage. All backends should
* support this format, because the Ogg video decoder depends on it.
* The maximum image width and height is 16384.
*/
PLANAR_YCBCR,
/**
* The NV_IMAGE format creates a NVImage. The PLANAR_YCBCR together with this
* complete the YUV format family.
*/
NV_IMAGE,
/**
* The SHARED_RGB format creates a SharedRGBImage, which stores RGB data in
* shared memory. Some Android hardware video decoders require this format.
* Currently only used on Android.
*/
SHARED_RGB,
/**
* The CAIRO_SURFACE format creates a SourceSurfaceImage. All backends should
* support this format, because video rendering sometimes requires it.
*
* This format is useful even though a PaintedLayer could be used.
* It makes it easy to render a cairo surface when another Image format
* could be used. It can also avoid copying the surface data in some
* cases.
*
* Images in CAIRO_SURFACE format should only be created and
* manipulated on the main thread, since the underlying cairo surface
* is main-thread-only.
*/
CAIRO_SURFACE,
/**
* A MacIOSurface object.
*/
MAC_IOSURFACE,
/**
* An Android SurfaceTexture ID that can be shared across threads and
* processes.
*/
SURFACE_TEXTURE,
/**
* An EGL Image that can be shared across threads.
*/
EGLIMAGE,
/**
* The D3D9_RGB32_TEXTURE format creates a D3D9SurfaceImage, and wraps a
* IDirect3DTexture9 in RGB32 layout.
*/
D3D9_RGB32_TEXTURE,
/**
* An Image type carries an opaque handle once for each stream.
* The opaque handle would be a platform specific identifier.
*/
OVERLAY_IMAGE,
/**
* A share handle to a ID3D11Texture2D.
*/
D3D11_SHARE_HANDLE_TEXTURE,
/**
* A wrapper around a drawable TextureClient.
*/
TEXTURE_WRAPPER,
/**
* An opaque handle that refers to an Image stored in the GPU
* process.
*/
GPU_VIDEO
};
enum class StereoMode {
MONO,
LEFT_RIGHT,
RIGHT_LEFT,
BOTTOM_TOP,
TOP_BOTTOM,
MAX,
};
enum class YUVColorSpace {
BT601,
BT709,
// This represents the unknown format.
UNKNOWN,
};
} // namespace mozilla
#endif