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backend/drm: fail on explicit modifier in drmModeAddFB2

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drmModeAddFB2 doesn't support explicit modifiers. Only accept INVALID
which indicates an implicit modifier and LINEAR which may indicate
that GBM_BO_USE_LINEAR has been used.
This commit is contained in:
Simon Ser 2021-03-31 22:05:18 +02:00 committed by Simon Zeni
parent affe9eda57
commit e163a7cf48
1 changed files with 7 additions and 0 deletions
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7
backend/drm/renderer.c
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@ -220,6 +220,13 @@ static uint32_t get_fb_for_bo(struct wlr_drm_backend *drm,
wlr_log_errno(WLR_DEBUG, "drmModeAddFB2WithModifiers failed");
}
} else {
if (dmabuf->modifier != DRM_FORMAT_MOD_INVALID &&
dmabuf->modifier != DRM_FORMAT_MOD_LINEAR) {
wlr_log(WLR_ERROR, "Cannot import DRM framebuffer with explicit "
"modifier 0x%"PRIX64, dmabuf->modifier);
return 0;
}
int ret = drmModeAddFB2(drm->fd, dmabuf->width, dmabuf->height,
dmabuf->format, handles, dmabuf->stride, dmabuf->offset, &id, 0);
if (ret != 0 && dmabuf->format == DRM_FORMAT_ARGB8888 &&