1 files changed, 15 insertions, 4 deletions
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
index 46390e4a0e..1855cfceeb 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
@@ -30,7 +30,10 @@ out vec4 frag_color;
 #endif
 
 uniform float minimum_alpha;
-uniform float texture_gamma;
+uniform float texture_gamma; // either 1.0 or 2.2; see: "::TEXTURE_GAMMA"
+
+// render_hud_attachments() -> HUD objects set LLShaderMgr::NO_ATMO; used in LLDrawPoolAlpha::beginRenderPass()
+uniform int no_atmo;
 
 vec3 fullbrightAtmosTransport(vec3 light);
 vec3 fullbrightScaleSoftClip(vec3 light);
@@ -50,9 +53,17 @@ void fullbright_lighting()
 	color.rgb *= vertex_color.rgb;
 
 	color.rgb = pow(color.rgb, vec3(texture_gamma));
-	color.rgb = fullbrightAtmosTransport(color.rgb);
-	
-	color.rgb = fullbrightScaleSoftClip(color.rgb);
+
+	// SL-9632 HUDs are affected by Atmosphere
+	if (no_atmo == 0)
+	{
+		color.rgb = fullbrightAtmosTransport(color.rgb);
+		color.rgb = fullbrightScaleSoftClip(color.rgb);
+	}
+
+	//*TODO: Are we missing an inverse pow() here?
+	// class1\lighting\lightFullbrightF.glsl has:
+    //     color.rgb = pow(color.rgb, vec3(1.0/texture_gamma));
 
 	frag_color = color;
 }