leyoda/cosmic-comp
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Use EGL_MESA_device_software as fallback for screen capture

Browse source 
Previously, screenshots and screencopy panicked if no DRM render nodes
are present.

Instead, create a `GlowRenderer` using llvmpipe, if available. This
should work as a fallback until pixman is integrated.
This commit is contained in:
Ian Douglas Scott 2024-08-05 11:32:42 -07:00 • committed by Ian Douglas Scott
parent 87020c79ba
commit 5537fa4822
2 changed files with 48 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

27
src/state.rs
View file

@ -389,23 +389,28 @@ impl BackendData {
/// Get an offscreen renderer for screen capture / screenshot rendering
///
/// `kms_node_cb` callback use used to determine nodes to render with when using kms backend.
/// Panics if this returns `None`.
/// If this returns `None`, it will attempt to use llvmpipe, then panic if no renderer is
/// found.
pub fn offscreen_renderer<N: Into<KmsNodes>, F: FnOnce(&mut KmsState) -> Option<N>>(
&mut self,
kms_node_cb: F,
) -> Result<RendererRef, GlMultiError> {
match self {
BackendData::Kms(kms) => {
let KmsNodes {
render_node,
target_node,
copy_format,
} = kms_node_cb(kms).expect("No Software Rendering").into();
Ok(RendererRef::GlMulti(kms.api.renderer(
&render_node,
&target_node,
copy_format,
)?))
if let Some(nodes) = kms_node_cb(kms) {
let nodes = nodes.into();
Ok(RendererRef::GlMulti(kms.api.renderer(
&nodes.render_node,
&nodes.target_node,
nodes.copy_format,
)?))
} else {
Ok(RendererRef::Glow(
kms.software_renderer
.as_mut()
.expect("No Software Rendering"),
))
}
}
BackendData::Winit(winit) => Ok(RendererRef::Glow(winit.backend.renderer())),
BackendData::X11(x11) => Ok(RendererRef::Glow(&mut x11.renderer)),