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use smithay::backend::allocator::dmabuf::Dmabuf;
use smithay::backend::renderer::gles::{GlesFrame, GlesRenderer, GlesTexture};
use smithay::backend::renderer::{
Bind, ExportMem, ImportAll, ImportMem, Offscreen, Renderer, RendererSuper, Texture,
};
use crate::backend::tty::{TtyFrame, TtyRenderer};
/// Trait with our main renderer requirements to save on the typing.
pub trait NiriRenderer:
ImportAll
+ ImportMem
+ ExportMem
+ Bind<Dmabuf>
+ Offscreen<GlesTexture>
+ Renderer<TextureId = Self::NiriTextureId, Error = Self::NiriError>
+ AsGlesRenderer
{
// Associated types to work around the instability of associated type bounds.
type NiriTextureId: Texture + Clone + Send + 'static;
type NiriError: std::error::Error
+ Send
+ Sync
+ From<<GlesRenderer as RendererSuper>::Error>
+ 'static;
}
impl<R> NiriRenderer for R
where
R: ImportAll + ImportMem + ExportMem + Bind<Dmabuf> + Offscreen<GlesTexture> + AsGlesRenderer,
R::TextureId: Texture + Clone + Send + 'static,
R::Error:
std::error::Error + Send + Sync + From<<GlesRenderer as RendererSuper>::Error> + 'static,
{
type NiriTextureId = R::TextureId;
type NiriError = R::Error;
}
/// Trait for getting the underlying `GlesRenderer`.
pub trait AsGlesRenderer {
fn as_gles_renderer(&mut self) -> &mut GlesRenderer;
}
impl AsGlesRenderer for GlesRenderer {
fn as_gles_renderer(&mut self) -> &mut GlesRenderer {
self
}
}
impl AsGlesRenderer for TtyRenderer<'_> {
fn as_gles_renderer(&mut self) -> &mut GlesRenderer {
self.as_mut()
}
}
/// Trait for getting the underlying `GlesFrame`.
pub trait AsGlesFrame<'frame, 'buffer>
where
Self: 'frame,
{
fn as_gles_frame(&mut self) -> &mut GlesFrame<'frame, 'buffer>;
}
impl<'frame, 'buffer> AsGlesFrame<'frame, 'buffer> for GlesFrame<'frame, 'buffer> {
fn as_gles_frame(&mut self) -> &mut GlesFrame<'frame, 'buffer> {
self
}
}
impl<'frame, 'buffer> AsGlesFrame<'frame, 'buffer> for TtyFrame<'_, 'frame, 'buffer> {
fn as_gles_frame(&mut self) -> &mut GlesFrame<'frame, 'buffer> {
self.as_mut()
}
}
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