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After a lot of trial and error, i think rim lighting implementation is now perfect, closes #13986

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This commit is contained in:
Juan Linietsky 2017-12-08 11:07:38 -03:00
parent b3b4727dff
commit 8c78ccb027
1 changed files with 8 additions and 6 deletions
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14
drivers/gles3/shaders/scene.glsl
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@ -1207,7 +1207,8 @@ void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 bino
vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz-vertex;
float light_length = length( light_rel_vec );
float normalized_distance = light_length*omni_lights[idx].light_pos_inv_radius.w;
vec3 light_attenuation = vec3(pow( max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w ));
float omni_attenuation = pow( max(1.0 - normalized_distance, 0.0), omni_lights[idx].light_direction_attenuation.w );
vec3 light_attenuation = vec3(omni_attenuation);
if (omni_lights[idx].light_params.w>0.5) {
//there is a shadowmap
@ -1256,7 +1257,7 @@ void light_process_omni(int idx, vec3 vertex, vec3 eye_vec,vec3 normal,vec3 bino
light_attenuation*=mix(omni_lights[idx].shadow_color_contact.rgb,vec3(1.0),shadow);
}
light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,omni_lights[idx].light_color_energy.rgb,light_attenuation,albedo,transmission,omni_lights[idx].light_params.z*p_blob_intensity,roughness,metallic,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,omni_lights[idx].light_color_energy.rgb,light_attenuation,albedo,transmission,omni_lights[idx].light_params.z*p_blob_intensity,roughness,metallic,rim * omni_attenuation,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
}
@ -1265,12 +1266,13 @@ void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi
vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz-vertex;
float light_length = length( light_rel_vec );
float normalized_distance = light_length*spot_lights[idx].light_pos_inv_radius.w;
vec3 light_attenuation = vec3(pow( max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w ));
float spot_attenuation = pow( max(1.0 - normalized_distance, 0.001), spot_lights[idx].light_direction_attenuation.w );
vec3 spot_dir = spot_lights[idx].light_direction_attenuation.xyz;
float spot_cutoff=spot_lights[idx].light_params.y;
float scos = max(dot(-normalize(light_rel_vec), spot_dir),spot_cutoff);
float spot_rim = (1.0 - scos) / (1.0 - spot_cutoff);
light_attenuation *= 1.0 - pow( max(spot_rim,0.001), spot_lights[idx].light_params.x);
float spot_rim = max(0.0001,(1.0 - scos) / (1.0 - spot_cutoff));
spot_attenuation*= 1.0 - pow( spot_rim, spot_lights[idx].light_params.x);
vec3 light_attenuation = vec3(spot_attenuation);
if (spot_lights[idx].light_params.w>0.5) {
//there is a shadowmap
@ -1290,7 +1292,7 @@ void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi
light_attenuation*=mix(spot_lights[idx].shadow_color_contact.rgb,vec3(1.0),shadow);
}
light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,spot_lights[idx].light_color_energy.rgb,light_attenuation,albedo,transmission,spot_lights[idx].light_params.z*p_blob_intensity,roughness,metallic,rim,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
light_compute(normal,normalize(light_rel_vec),eye_vec,binormal,tangent,spot_lights[idx].light_color_energy.rgb,light_attenuation,albedo,transmission,spot_lights[idx].light_params.z*p_blob_intensity,roughness,metallic,rim * spot_attenuation,rim_tint,clearcoat,clearcoat_gloss,anisotropy,diffuse_light,specular_light);
}