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, 4 insertions, 0 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 94abcf08ed..7f83e168bb 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -121,12 +121,16 @@ void main()
 
         vec3 sun_contrib = min(scol, final_da) * sunlit;
 
+#if !defined(AMBIENT_KILL)
         color.rgb = amblit;
         color.rgb *= ambient;
+#endif
 
 vec3 post_ambient = color.rgb;
 
+#if !defined(SUNLIGHT_KILL)
         color.rgb += sun_contrib;
+#endif
 
 vec3 post_sunlight = color.rgb;