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, 7 insertions, 0 deletions

diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
index 57f93a8b36..8795d69a3a 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
@@ -44,9 +44,16 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color)
 	col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].z);
 	col.rgb = scaleDownLight(col.rgb);
 
+#if defined(LOCAL_LIGHT_KILL)
+    col.rgb = vec3(0);
+i#endif
+
 	// Add windlight lights
 	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
+#if !defined(SUNLIGHT_KILL)
 	col.rgb = min(col.rgb*color.rgb, 1.0);
+#endif
+
 	return col;	
 }