Commit: c8e87edccbd0f7dfba33db8f792e9b1182e41de4
Author: Clément Foucault
Date: Sat Feb 3 03:17:22 2018 +0100
Branches: blender2.8
https://developer.blender.org/rBc8e87edccbd0f7dfba33db8f792e9b1182e41de4
Eevee: Render: Fix Ao pass background contamination.
It was poluted by the additive blend mode.
===================================================================
M source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl
===================================================================
diff --git a/source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl
b/source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl
index 32edf709d88..b7bcf5c8a8b 100644
--- a/source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl
+++ b/source/blender/draw/engines/eevee/shaders/effect_gtao_frag.glsl
@@ -28,7 +28,8 @@ void main()
gtao_deferred(normal, viewPosition, noise, depth, visibility,
bent_normal);
- FragColor = vec4(visibility);
+ /* Handle Background case. Prevent artifact due to uncleared Horizon
Render Target. */
+ FragColor = vec4((depth == 1.0) ? 0.0 : visibility);
}
#else
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