X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fvirtualvnode.C;h=27c65bba868c84319be7c0711536103cd90c757c;hb=05bf5047966713579bd8e7a692fda3b49bc43450;hp=1fb4846140f52c4fdc14393dbbe6f1ab2173f8f4;hpb=5820b5f022aeec75ec03f7dd0121aa8a3d7f7590;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/virtualvnode.C b/cinelerra-5.1/cinelerra/virtualvnode.C
index 1fb48461..27c65bba 100644
--- a/cinelerra-5.1/cinelerra/virtualvnode.C
+++ b/cinelerra-5.1/cinelerra/virtualvnode.C
@@ -353,17 +353,21 @@ void VirtualVNode::render_mask(VFrame *output_temp,
 		return;
 	}
 
-	if(use_opengl)
-	{
+	if(use_opengl) {
+		if( !((VDeviceX11*)((VirtualVConsole*)vconsole)->get_vdriver())->can_mask(
+				start_position_project, keyframe_set) )
+			use_opengl = 0;
+			
+	}
+	if(use_opengl) {
 		((VDeviceX11*)((VirtualVConsole*)vconsole)->get_vdriver())->do_mask(
-			output_temp, start_position_project,
-			keyframe_set, keyframe, keyframe);
+				output_temp, start_position_project, keyframe_set,
+				keyframe, keyframe);
 	}
-	else
-	{
+	else {
 // Revert to software
 		masker->do_mask(output_temp, start_position_project,
-			keyframe_set, keyframe, keyframe);
+				keyframe_set, keyframe, keyframe);
 	}
 }