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author | Ptolemy <ptolemy@lindenlab.com> | 2022-08-24 16:08:36 -0700 |
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committer | Ptolemy <ptolemy@lindenlab.com> | 2022-08-24 16:08:36 -0700 |
commit | 5b7d8b61e0720aee1ef6c7d6e44ada87ca556d54 (patch) | |
tree | 097239aa2a659432a682a6b3448a312ec994c96e /indra | |
parent | 5a346844df747ada7468c5814c2d1cd7c5d74f60 (diff) |
SL-17702: PBR: Optimize BRDF diffuse
Diffstat (limited to 'indra')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index 8ecdafa167..d1b9418ee9 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -44,6 +44,7 @@ uniform mat4 inv_proj; uniform vec2 screen_res; const float M_PI = 3.14159265; +const float ONE_OVER_PI = 0.3183098861; vec3 srgb_to_linear(vec3 cs); @@ -442,7 +443,7 @@ void initMaterial( vec3 diffuse, vec3 packedORM, out float alphaRough, out vec3 vec3 BRDFDiffuse(vec3 color) { - return color / M_PI; + return color * ONE_OVER_PI; } vec3 BRDFLambertian( vec3 reflect0, vec3 reflect90, vec3 c_diff, float specWeight, float vh ) |