Add workaround for hardware cursors on nouveau
@@ -729,6 +729,15 @@ static bool drm_connector_set_cursor(struct wlr_output *output,
bo = copy_drm_surface_mgpu(&plane->mgpu_surf, plane->surf.back);
}
+ if (bo) {
+ // workaround for nouveau
+ // Buffers created with GBM_BO_USER_LINEAR are placed in NOUVEAU_GEM_DOMAIN_GART.
+ // When the bo is attached to the cursor plane it is moved to NOUVEAU_GEM_DOMAIN_VRAM.
+ // However, this does not wait for the render operations to complete, leaving an empty surface.
+ // see https://bugs.freedesktop.org/show_bug.cgi?id=109631
+ // The render operations can be waited for using:
+ glFinish();
+ }
bool ok = drm->iface->crtc_set_cursor(drm, crtc, bo);
if (ok) {
wlr_output_update_needs_swap(output);
