Commit: 8fa65ed31b7f3aa52669be267f431f0888baa06b
Author: Clément Foucault
Date: Wed Jun 5 21:31:19 2019 +0200
Branches: master
https://developer.blender.org/rB8fa65ed31b7f3aa52669be267f431f0888baa06b
Fix T65118 Eevee: NaN when using bent normals
===================================================================
M source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl
===================================================================
diff --git
a/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl
b/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl
index 944caca6dab..acfc2af93ee 100644
--- a/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl
+++ b/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl
@@ -198,8 +198,8 @@ void gtao_deferred(
dirs.xy = get_ao_dir(noise.x * 0.5);
dirs.zw = get_ao_dir(noise.x * 0.5 + 0.5);
- bent_normal = vec3(0.0);
- visibility = 0.0;
+ bent_normal = normal * 1e-8;
+ visibility = 1e-8;
horizons = unpack_horizons(horizons);
@@ -217,8 +217,8 @@ void gtao(vec3 normal, vec3 position, vec4 noise, out float
visibility, out vec3
vec2 max_dir = get_max_dir(position.z);
vec2 dir = get_ao_dir(noise.x);
- bent_normal = vec3(0.0);
- visibility = 0.0;
+ bent_normal = normal * 1e-8;
+ visibility = 1e-8;
/* Only trace in 2 directions. May lead to a darker result but since it's
mostly for
* alpha blended objects that will have overdraw, we limit the performance
impact. */
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