drm: only allow multigpu blit to implcit, not all external formats

hyprwm · Feb 2, 2025 · 9441a06 · 9441a06
1 parent 257b205
commit 9441a06
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/backend/drm/Renderer.cpp b/src/backend/drm/Renderer.cpp
@@ -1030,6 +1030,11 @@ bool CDRMRenderer::verifyDestinationDMABUF(const SDMABUFAttrs& attrs) {
         if (fmt.modifier != attrs.modifier)
             continue;
 
+        if (fmt.modifier != DRM_FORMAT_INVALID && fmt.external) {
+            backend->log(AQ_LOG_ERROR, "EGL (verifyDestinationDMABUF): FAIL, format is external-only");
+            return false;
+        }
+
         return true;
     }