[Bf-blender-cvs] [3cf0895bdee] greasepencil-refactor: GPencil: Refactor: Fix crash when using alt+b clipping

[Clément Foucault]

Commit: 3cf0895bdeedd30440c32158b0d20afbc667459b
Author: Clément Foucault
Date:   Tue Jan 7 20:12:58 2020 +0100
Branches: greasepencil-refactor
https://developer.blender.org/rB3cf0895bdeedd30440c32158b0d20afbc667459b

GPencil: Refactor: Fix crash when using alt+b clipping

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M	source/blender/draw/engines/overlay/shaders/outline_prepass_vert.glsl

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diff --git a/source/blender/draw/engines/overlay/shaders/outline_prepass_vert.glsl b/source/blender/draw/engines/overlay/shaders/outline_prepass_vert.glsl
index 235a881b806..24f084fc9e7 100644
--- a/source/blender/draw/engines/overlay/shaders/outline_prepass_vert.glsl
+++ b/source/blender/draw/engines/overlay/shaders/outline_prepass_vert.glsl
@@ -51,6 +51,10 @@ void main()
 {
 #ifdef USE_GPENCIL
   gpencil_vertex();
+#  ifdef USE_WORLD_CLIP_PLANES
+  vec3 world_pos = point_object_to_world(pos1.xyz);
+#  endif
+
 #else
   vec3 world_pos = point_object_to_world(pos);
   gl_Position = point_world_to_ndc(world_pos);