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drm: check for PRIME support

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PRIME support for buffer sharing has become mandatory since the renderer
rewrite. Make sure we check for the appropriate capabilities in backend,
allocator and renderer.

See also #2819.
This commit is contained in:
Stephan Hilb 2021-04-08 22:21:50 +02:00 • committed by Simon Ser
parent d5105c42e3
commit 9f012cac2f
3 changed files with 18 additions and 7 deletions
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13
backend/drm/drm.c
View file

@ -30,14 +30,13 @@
bool check_drm_features(struct wlr_drm_backend *drm) {
uint64_t cap;
if (drm->parent) {
if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) ||
!(cap & DRM_PRIME_CAP_IMPORT)) {
wlr_log(WLR_ERROR,
"PRIME import not supported on secondary GPU");
return false;
}
if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) ||
!(cap & DRM_PRIME_CAP_IMPORT)) {
wlr_log(WLR_ERROR, "PRIME import not supported");
return false;
}
if (drm->parent) {
if (drmGetCap(drm->parent->fd, DRM_CAP_PRIME, &cap) ||
!(cap & DRM_PRIME_CAP_EXPORT)) {
wlr_log(WLR_ERROR,