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Add workaround for hardware cursors on nouveau

This commit is contained in:
Vincent Vanlaer 2019-02-15 15:59:09 +01:00
parent bc048b22fb
commit 26a9fa8148
1 changed files with 9 additions and 0 deletions
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9
backend/drm/drm.c
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@ -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);