X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcinelerra.git;a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fvdevicex11.C;h=24d1be0268fb34fd6937afa1db11f4c756df2429;hp=ebdb520c57a7a7cfffd7915fa9b61d2d91b084ff;hb=fb661e853152fd63537629a20f493a4cdcd4f019;hpb=307d7f624510fcca7a7f6c1e683796cb73637106

diff --git a/cinelerra-5.1/cinelerra/vdevicex11.C b/cinelerra-5.1/cinelerra/vdevicex11.C
index ebdb520c..24d1be02 100644
--- a/cinelerra-5.1/cinelerra/vdevicex11.C
+++ b/cinelerra-5.1/cinelerra/vdevicex11.C
@@ -23,6 +23,7 @@
 #include "autos.h"
 #include "bccapture.h"
 #include "bccmodels.h"
+#include "bcdisplayinfo.h"
 #include "bcsignals.h"
 #include "canvas.h"
 #include "edl.h"
@@ -580,6 +581,8 @@ void VDeviceX11::do_fade(VFrame *output_temp, float fade)
 
 bool VDeviceX11::can_mask(int64_t start_position_project, MaskAutos *keyframe_set)
 {
+	if( strncmp(BC_DisplayInfo::get_gl_shader_version(), "4.3", 3) < 0 )
+		return 0;
 	Auto *current = 0;
 	MaskAuto *keyframe = (MaskAuto*)keyframe_set->
 		get_prev_auto(start_position_project, PLAY_FORWARD, current);