diff options
| author | Ferenc Arn <tagcup@yahoo.com> | 2017-10-21 19:52:16 -0400 |
|---|---|---|
| committer | Ferenc Arn <tagcup@yahoo.com> | 2017-10-21 20:25:17 -0400 |
| commit | 06fcbe009242b2139e98ef60432240734336bf7b (patch) | |
| tree | 0aa036ecbdbc326356c1df9f3093472d5933b2ca /drivers/gles3 | |
| parent | 50306041e5be9859bd448fe80a52be45694b6688 (diff) | |
Don't add clearcoat BRDF to specular light as-is.
BRDF needs to be multiplied with N.L, the incoming light and attenuation. Also specular_blob_intensity should affect clearcoat.
Diffstat (limited to 'drivers/gles3')
| -rw-r--r-- | drivers/gles3/shaders/scene.glsl | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index 0b5b9d1d24..1306054ea7 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -1073,7 +1073,7 @@ LIGHT_SHADER_CODE float cNdotH = max(dot(N,H), 0.0); float cLdotH = max(dot(L,H), 0.0); -#if defined(LIGHT_USE_ANISOTROPY) +# if defined(LIGHT_USE_ANISOTROPY) float aspect = sqrt(1.0-anisotropy*0.9); float rx = roughness/aspect; @@ -1085,11 +1085,11 @@ LIGHT_SHADER_CODE float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH); float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH); -#else +# else float alpha = roughness * roughness; float D = D_GGX(cNdotH, alpha); float G = G_GGX_2cos(cNdotL, alpha) * G_GGX_2cos(cNdotV, alpha); -#endif +# endif // F float F0 = 1.0; // FIXME float cLdotH5 = SchlickFresnel(cLdotH); @@ -1115,7 +1115,9 @@ LIGHT_SHADER_CODE float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25); - specular_light += .25*clearcoat*Gr*Fr*Dr; + float specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL; + + specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation; } #endif } |