1 files changed, 41 insertions, 0 deletions

diff --git a/linden/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl b/linden/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
new file mode 100644
index 0000000..1c5234c
--- /dev/null
+++ b/linden/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
@@ -0,0 +1,41 @@
+/**
+ * @file sumLightsV.glsl
+ *
+ * Copyright (c) 2005-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+float calcDirectionalLight(vec3 n, vec3 l);
+float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+
+vec3 atmosAmbient(vec3 light);
+vec3 atmosAffectDirectionalLight(float lightIntensity);
+vec3 scaleDownLight(vec3 light);
+vec3 scaleUpLight(vec3 light);
+
+vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
+{
+        vec4 col;
+        col.a = color.a;
+        
+        // Add windlight lights
+        col.rgb = atmosAffectDirectionalLight(calcDirectionalLight(norm, gl_LightSource[0].position.xyz));
+        col.rgb += atmosAmbient(baseLight.rgb);
+        col.rgb = scaleUpLight(col.rgb);
+
+        // Collect normal lights (need to be divided by two, as we later multiply by 2)
+        col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
+        col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
+        col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
+        col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation);
+        col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation);
+        col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation);
+        col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+        col.rgb = scaleDownLight(col.rgb);
+                                
+
+        col.rgb = min(col.rgb*color.rgb, 1.0);
+        
+        return col;     
+}
+