[Bf-blender-cvs] [2c1edcf3efd] master: EEVEE: Fix undefined behavior in world output

[Clément Foucault]

Commit: 2c1edcf3efd8d260a02d74c10a734992eab74072
Author: Clément Foucault
Date:   Wed Jul 15 15:01:59 2020 +0200
Branches: master
https://developer.blender.org/rB2c1edcf3efd8d260a02d74c10a734992eab74072

EEVEE: Fix undefined behavior in world output

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M	source/blender/gpu/shaders/material/gpu_shader_material_output_world.glsl

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diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_output_world.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_output_world.glsl
index b298fa4f8d1..27ca96501ae 100644
--- a/source/blender/gpu/shaders/material/gpu_shader_material_output_world.glsl
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_output_world.glsl
@@ -4,6 +4,7 @@ void node_output_world(Closure surface, Closure volume, out Closure result)
 {
 #ifndef VOLUMETRICS
   float alpha = renderPassEnvironment ? 1.0 : backgroundAlpha;
+  result = CLOSURE_DEFAULT;
   result.radiance = surface.radiance * alpha;
   result.transmittance = vec3(1.0 - alpha);
 #else