Add render debug controls for forcing disable of ambient, sun, and local light contributions

(engages AMBIENT_KILL, SUNLIGHT_KILL, and LOCAL_LIGHT_KILL defines in shaders to accomplish
  those tasks as required by each render mode).

1 files changed, 8 insertions, 3 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index bc879948e4..bcce4c041a 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -129,6 +129,12 @@ vec4 getPosition(vec2 pos_screen);
 
 void main() 
 {
+
+    vec3 col = vec3(0,0,0);
+
+#if defined(LOCAL_LIGHT_KILL)
+    discard;
+#else
     vec4 frag = vary_fragcoord;
     frag.xyz /= frag.w;
     frag.xyz = frag.xyz*0.5+0.5;
@@ -183,8 +189,6 @@ void main()
     lv = proj_origin-pos.xyz;
     lv = normalize(lv);
     float da = dot(norm, lv);
-
-    vec3 col = vec3(0,0,0);
         
     vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb;
     
@@ -284,10 +288,11 @@ void main()
             }
         }
     }
+#endif
 
     //not sure why, but this line prevents MATBUG-194
     col = max(col, vec3(0.0));
-//col.rgb = vec3(0);
+
     frag_color.rgb = col;   
     frag_color.a = 0.0;
 }