[Bf-blender-cvs] [0584c82ad7] blender2.8: Fix break in drawscredge_area_draw when in fullscreen

[Dalai Felinto]

Commit: 0584c82ad7c1c2f133f617c52de28be15f6840d4
Author: Dalai Felinto
Date:   Fri Feb 24 11:05:52 2017 +0100
Branches: blender2.8
https://developer.blender.org/rB0584c82ad7c1c2f133f617c52de28be15f6840d4

Fix break in drawscredge_area_draw when in fullscreen

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M	source/blender/editors/screen/screen_draw.c

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

diff --git a/source/blender/editors/screen/screen_draw.c b/source/blender/editors/screen/screen_draw.c
index 7ba3c4b82b..7d85f9bb1c 100644
--- a/source/blender/editors/screen/screen_draw.c
+++ b/source/blender/editors/screen/screen_draw.c
@@ -241,6 +241,10 @@ static void drawscredge_area_draw(int sizex, int sizey, short x1, short y1, shor
 	if (y2 < sizey - 1) count += 2;
 	if (y1 > 0) count += 2;
 
+	if (count == 0) {
+		return;
+	}
+
 	immBegin(GL_LINES, count);
 
 	/* right border area */