NORSPEC-322 NORSPEC-342 fix issues with black impostors and missing alpha attachments on impostors

1 files changed, 28 insertions, 3 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
index bc0719cb82..d52744103f 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
@@ -38,6 +38,31 @@ uniform sampler2D specularMap;
 
 VARYING vec2 vary_texcoord0;
 
+vec2 encode_normal(vec3 n)
+{
+	float f = sqrt(8 * n.z + 8);
+	return n.xy / f + 0.5;
+}
+
+vec3 linear_to_srgb(vec3 cl)
+{
+	cl = clamp(cl, vec3(0), vec3(1));
+	vec3 low_range  = cl * 12.92;
+	vec3 high_range = 1.055 * pow(cl, vec3(0.41666)) - 0.055;
+	bvec3 lt = lessThan(cl,vec3(0.0031308));
+
+#ifdef OLD_SELECT
+	vec3 result;
+	result.r = lt.r ? low_range.r : high_range.r;
+	result.g = lt.g ? low_range.g : high_range.g;
+	result.b = lt.b ? low_range.b : high_range.b;
+    return result;
+#else
+	return mix(high_range, low_range, lt);
+#endif
+
+}
+
 void main() 
 {
 	vec4 col = texture2D(diffuseMap, vary_texcoord0.xy);
@@ -47,7 +72,7 @@ void main()
 		discard;
 	}
 
-	frag_data[0] = vec4(col.rgb, col.a * 0.005);
-	frag_data[1] = texture2D(specularMap, vary_texcoord0.xy);
-	frag_data[2] = vec4(texture2D(normalMap, vary_texcoord0.xy).xyz, 0.0);
+	frag_data[0] = vec4(linear_to_srgb(col.rgb), col.a);
+	frag_data[1] = vec4(texture2D(specularMap, vary_texcoord0.xy));
+	frag_data[2] = vec4(texture2D(normalMap, vary_texcoord0.xy).xy,0,0);
 }