X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=shaderlib%2Fcooktorrance.glsl;h=7eefbf60eb52e96a9ab320e6c9c42e1ccc4d1e40;hb=9813f8711628a0fbe786406e974dc33546dc9cee;hp=71f8ec76c8df64046cd3a2a70e46742b5f23aa87;hpb=6b9338845dfee441cd18ad6c633e4feef8ad14e1;p=libs%2Fgl.git

diff --git a/shaderlib/cooktorrance.glsl b/shaderlib/cooktorrance.glsl
index 71f8ec76..7eefbf60 100644
--- a/shaderlib/cooktorrance.glsl
+++ b/shaderlib/cooktorrance.glsl
@@ -30,8 +30,6 @@ layout(constant_id=auto) const bool use_emission = false;
 layout(constant_id=auto) const bool use_emission_map = false;
 layout(constant_id=auto) const bool use_image_based_lighting = false;
 
-const float PI = 3.1415926535;
-
 #pragma MSP stage(fragment)
 virtual vec4 get_base_color()
 {
@@ -153,10 +151,14 @@ vec3 cooktorrance_environment(vec3 normal, vec3 look, vec3 base_color, float met
 
 vec3 cooktorrance_lighting(vec3 normal, vec3 look, vec3 base_color, float metalness, float roughness)
 {
-	vec3 light = normalize(world_light_dir);
-
-	float shadow = get_shadow_factor(0);
-	vec3 color = cooktorrance_one_light_direct(normal, look, light, light_sources[0].color, base_color, metalness, roughness)*shadow;
+	vec3 color = vec3(0.0);
+	for(int i=0; i<max_lights; ++i)
+		if(light_sources[i].enabled!=0)
+		{
+			vec3 light = get_light_direction(i);
+			float shadow = get_shadow_factor(i);
+			color += cooktorrance_one_light_direct(normal, look, light, light_sources[i].color, base_color, metalness, roughness)*shadow;
+		}
 
 	color += cooktorrance_environment(normal, look, base_color, metalness, roughness);