[Bf-blender-cvs] [22197d7f8a2] master: Fix T76886: GPencil - Flickering when use Background or Camera image

[Antonio Vazquez]

Commit: 22197d7f8a26fb1284435f554fbc8bb4a1735f16
Author: Antonio Vazquez
Date:   Thu Jul 2 09:29:30 2020 +0200
Branches: master
https://developer.blender.org/rB22197d7f8a26fb1284435f554fbc8bb4a1735f16

Fix T76886: GPencil - Flickering when use Background or Camera image

The problem was if some stroke was empty and the changed flag was set to the last stroke wrongly.

===================================================================

M	source/blender/blenkernel/intern/gpencil_geom.c

===================================================================

diff --git a/source/blender/blenkernel/intern/gpencil_geom.c b/source/blender/blenkernel/intern/gpencil_geom.c
index 542f80aa9b5..746ef7c5d1f 100644
--- a/source/blender/blenkernel/intern/gpencil_geom.c
+++ b/source/blender/blenkernel/intern/gpencil_geom.c
@@ -95,7 +95,7 @@ bool BKE_gpencil_data_minmax(const bGPdata *gpd, float r_min[3], float r_max[3])
 
     if (gpf != NULL) {
       LISTBASE_FOREACH (bGPDstroke *, gps, &gpf->strokes) {
-        changed = BKE_gpencil_stroke_minmax(gps, false, r_min, r_max);
+        changed |= BKE_gpencil_stroke_minmax(gps, false, r_min, r_max);
       }
     }
   }