diff options
Diffstat (limited to 'gfx/layers/ImageTypes.h')
-rw-r--r-- | gfx/layers/ImageTypes.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/gfx/layers/ImageTypes.h b/gfx/layers/ImageTypes.h new file mode 100644 index 000000000..7a3b81f6e --- /dev/null +++ b/gfx/layers/ImageTypes.h @@ -0,0 +1,127 @@ +/* -*- 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 GRALLOC_PLANAR_YCBCR format creates a GrallocImage, a subtype of + * PlanarYCbCrImage. It takes a PlanarYCbCrImage data or the raw gralloc + * data and can be used as a texture by Gonk backend directly. + */ + GRALLOC_PLANAR_YCBCR, + + /** + * The GONK_CAMERA_IMAGE format creates a GonkCameraImage, which contains two + * parts. One is GrallocImage image for preview image. Another one is + * MediaBuffer from Gonk recording image. The preview image can be rendered in + * a layer for display. And the MediaBuffer will be used in component like OMX + * encoder. It is for GUM to support preview and recording image on Gonk + * camera. + */ + GONK_CAMERA_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 |