[Bf-blender-cvs] [28520e9652d] master: Fix T59799: crash entering texture paint mode.

[Brecht Van Lommel]

Commit: 28520e9652df2264bacf1f1f25ab657384d8817a
Author: Brecht Van Lommel
Date:   Mon Dec 24 09:01:21 2018 +0100
Branches: master
https://developer.blender.org/rB28520e9652df2264bacf1f1f25ab657384d8817a

Fix T59799: crash entering texture paint mode.

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

M	source/blender/draw/modes/shaders/paint_wire_vert.glsl

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

diff --git a/source/blender/draw/modes/shaders/paint_wire_vert.glsl b/source/blender/draw/modes/shaders/paint_wire_vert.glsl
index a92591b957d..b5ef921b8dc 100644
--- a/source/blender/draw/modes/shaders/paint_wire_vert.glsl
+++ b/source/blender/draw/modes/shaders/paint_wire_vert.glsl
@@ -13,7 +13,7 @@ void main()
 	gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
 	/* Add offset in Z to avoid zfighting and render selected wires on top. */
 	/* TODO scale this bias using znear and zfar range. */
-	gl_Position.zw -= exp2(-20) * (is_select ? 2.0 : 1.0);
+	gl_Position.zw -= exp2(-20.0) * (is_select ? 2.0 : 1.0);
 
 	if (is_hidden) {
 		gl_Position = vec4(-2.0, -2.0, -2.0, 1.0);