From 6bfbf356181a78a39d04c9c0f4a182b0529394c8 Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Tue, 6 Apr 2021 15:02:57 +0200 Subject: [PATCH] backend/drm: reject DMA-BUFs with flags We cannot scan-out DMA-BUFs with any flag right now. --- backend/drm/renderer.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/backend/drm/renderer.c b/backend/drm/renderer.c index 2e9c825c..208b8621 100644 --- a/backend/drm/renderer.c +++ b/backend/drm/renderer.c @@ -383,6 +383,12 @@ static struct wlr_drm_fb *drm_fb_create(struct wlr_drm_backend *drm, goto error_get_dmabuf; } + if (attribs.flags != 0) { + wlr_log(WLR_DEBUG, "Buffer with DMA-BUF flags 0x%"PRIX32" cannot be " + "scanned out", attribs.flags); + goto error_get_dmabuf; + } + if (formats && !wlr_drm_format_set_has(formats, attribs.format, attribs.modifier)) { // The format isn't supported by the plane. Try stripping the alpha