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/diffuseAlphaMaskIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
index 10d06da416..5415ee80d0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
@@ -36,7 +36,7 @@ in vec4 vertex_color;
 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()
 {
@@ -52,6 +52,9 @@ void main()
     frag_data[0] = vec4(col.rgb, 0.0);
     frag_data[1] = vec4(0,0,0,0);
     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
 }