Drop emissive on old Intel GPUs (#3110)

* #3103 Add the ability to disable the emissive buffer for older GPUs with low memory bandwidth.
* #3135 Add a "vintage" mode for slower GPUs
* #2719 Fix for skies being overbrightened
* #2632 Do not apply tonemapping on legacy skies

1 files changed, 5 insertions, 2 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
index fadf06d592..1307ee3bcc 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
@@ -39,7 +39,7 @@ in vec2 vary_texcoord0;
 
 void mirrorClip(vec3 pos);
 
-vec4 encodeNormal(vec3 norm, float gbuffer_flag);
+vec4 encodeNormal(vec3 n, float env, float gbuffer_flag);
 
 void main()
 {
@@ -55,7 +55,10 @@ void main()
     frag_data[0] = vec4(col.rgb, 0.0);
     frag_data[1] = vec4(0,0,0,0); // spec
     vec3 nvn = normalize(vary_normal);
-    frag_data[2] = encodeNormal(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    frag_data[2] = encodeNormal(nvn.xyz, 0, GBUFFER_FLAG_HAS_ATMOS);
+
+#if defined(HAS_EMISSIVE)
     frag_data[3] = vec4(0);
+#endif
 }