wayland/dma-buf: Handle failing to import scanout DMA buffer

A DMA buffer might not be able to scanout, and in that case the import
with GBM_BO_USE_SCANOUT will fail. Handle that by failing to scanout,
effectively falling back to compositing.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1261
This commit is contained in:
Jonas Ådahl 2020-05-20 11:50:11 +02:00 committed by Georges Basile Stavracas Neto
parent b97a6e62a3
commit dbf47b652e

View File

@ -277,6 +277,11 @@ meta_wayland_dma_buf_try_acquire_scanout (MetaWaylandDmaBufBuffer *dma_buf,
gpu_kms = meta_renderer_native_get_primary_gpu (renderer_native);
gbm_bo = create_gbm_bo (dma_buf, gpu_kms, n_planes, &use_modifier);
if (!gbm_bo)
{
g_debug ("Failed to import scanout gbm_bo: %s", g_strerror (errno));
return NULL;
}
fb = meta_drm_buffer_gbm_new_take (gpu_kms, gbm_bo,
use_modifier,