Commit: 651f1b5cf9f67fb3cdec486985d68eda6adf75a6 Author: Jake Date: Wed Sep 22 08:22:09 2021 +0200 Branches: blender-v2.93-release https://developer.blender.org/rB651f1b5cf9f67fb3cdec486985d68eda6adf75a6
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 =================================================================== 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 cdc453eed40..609cbc53cc2 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))); _______________________________________________ Bf-blender-cvs mailing list [email protected] List details, subscription details or unsubscribe: https://lists.blender.org/mailman/listinfo/bf-blender-cvs
