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Use Filament specular models and parametrization

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This commit is contained in:
clayjohn 2021-08-15 23:37:24 -07:00
parent 002ab10608
commit fe49244611
15 changed files with 193 additions and 329 deletions
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8
drivers/gles3/shaders/scene.glsl
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@ -1107,7 +1107,7 @@ void light_compute(
float rim,
float rim_tint,
float clearcoat,
float clearcoat_gloss,
float clearcoat_roughness,
float anisotropy,
inout vec3 diffuse_light,
inout vec3 specular_light,
@ -1298,7 +1298,7 @@ LIGHT_SHADER_CODE
#if !defined(SPECULAR_SCHLICK_GGX)
float cLdotH5 = SchlickFresnel(cLdotH);
#endif
float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss));
float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_roughness));
float Fr = mix(.04, 1.0, cLdotH5);
//float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25);
float Gr = V_GGX(cNdotL, cNdotV, 0.25);
@ -1427,7 +1427,7 @@ void main() {
float rim = 0.0;
float rim_tint = 0.0;
float clearcoat = 0.0;
float clearcoat_gloss = 0.0;
float clearcoat_roughness = 0.0;
float anisotropy = 0.0;
vec2 anisotropy_flow = vec2(1.0, 0.0);
float sss_strength = 0.0; //unused
@ -2028,7 +2028,7 @@ FRAGMENT_SHADER_CODE
rim,
rim_tint,
clearcoat,
clearcoat_gloss,
clearcoat_roughness,
anisotropy,
diffuse_light,
specular_light,