2590 mac intel and radeon pro 5300m horrible fps 2 (#3030)

* OpenGL 3.3 compatibility pass.  Fix for FBO driven downscaling corrupting textures.
* Increase maximum texture bias, immediately scale down when textures are loaded higher resolution than desired
* #2590 Fix for some frame stalls on Intel Macs

1 files changed, 3 insertions, 1 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
index 1751e17814..fadf06d592 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
@@ -39,6 +39,8 @@ in vec2 vary_texcoord0;
 
 void mirrorClip(vec3 pos);
 
+vec4 encodeNormal(vec3 norm, float gbuffer_flag);
+
 void main()
 {
     mirrorClip(vary_position);
@@ -53,7 +55,7 @@ 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] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    frag_data[2] = encodeNormal(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(0);
 }