diff options
| author | Jake <Welp> | 2021-09-22 09:22:09 +0300 |
|---|---|---|
| committer | Jeroen Bakker <jeroen@blender.org> | 2021-09-22 09:22:23 +0300 |
| commit | 4c156cba21f7ada1057ca91360bc0a6d48962fb5 (patch) | |
| tree | 0c146925782b7fb83c4667220a3ddfe30a5c94cd | |
| parent | 3fa64263927f2d8ac595ba411091321c47409ea4 (diff) | |
EEVEE fix gloss low roughness error
Up lower clamp on spec_angle to prevent NaN from being generated on intel GPUs at low roughness.
Fixes T88754
Reviewed By: fclem
Maniphest Tasks: T88754
Differential Revision: https://developer.blender.org/D12508
| -rw-r--r-- | source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl | 2 |
1 files changed, 1 insertions, 1 deletions
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 d4e3b879426..93641443cac 100644 --- a/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl @@ -379,7 +379,7 @@ float specular_occlusion( /* Visibility to cone angle (eq. 18). */ float vis_angle = fast_acos(sqrt(1 - visibility)); /* Roughness to cone angle (eq. 26). */ - float spec_angle = max(0.001, fast_acos(cone_cosine(roughness))); + float spec_angle = max(0.00990998744964599609375, fast_acos(cone_cosine(roughness))); /* Angle between cone axes. */ float cone_cone_dist = fast_acos(saturate(dot(visibility_dir, specular_dir))); float cone_nor_dist = fast_acos(saturate(dot(N, specular_dir))); |