pub struct ExternalSurfaceDescriptor {
    pub local_surface_size: LayoutSize,
    pub local_rect: PictureRect,
    pub local_clip_rect: PictureRect,
    pub clip_rect: DeviceRect,
    pub transform_index: CompositorTransformIndex,
    pub image_rendering: ImageRendering,
    pub z_id: ZBufferId,
    pub dependency: ExternalSurfaceDependency,
    pub native_surface_id: Option<NativeSurfaceId>,
    pub update_params: Option<DeviceIntSize>,
}
Expand description

Describes information about drawing a primitive as a compositor surface. For now, we support only YUV images as compositor surfaces, but in future this will also support RGBA images.

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§local_surface_size: LayoutSize§local_rect: PictureRect§local_clip_rect: PictureRect§clip_rect: DeviceRect§transform_index: CompositorTransformIndex§image_rendering: ImageRendering§z_id: ZBufferId§dependency: ExternalSurfaceDependency§native_surface_id: Option<NativeSurfaceId>

If native compositing is enabled, the native compositor surface handle. Otherwise, this will be None

§update_params: Option<DeviceIntSize>

If the native surface needs to be updated, this will contain the size of the native surface as Some(size). If not dirty, this is None.

Implementations§

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impl ExternalSurfaceDescriptor

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pub fn get_occluder_rect( &self, local_clip_rect: &PictureRect, map_pic_to_world: &SpaceMapper<PicturePixel, WorldPixel> ) -> Option<WorldRect>

Calculate an optional occlusion rect for a given compositor surface

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