De-duplicate sRGB conversion funcs from many shaders

and unify on using the version that works on OSX.

Add more logging to shader loading about fallbacks and loading succcess.

Add frag shaders for sharing sRGB and normal encode/decode via GL shader linkage.

1 files changed, 2 insertions, 36 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
index b173f233a5..5e676b23f0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
@@ -58,42 +58,8 @@ VARYING vec4 refCoord;
 VARYING vec4 littleWave;
 VARYING vec4 view;
 
-vec3 srgb_to_linear(vec3 cs)
-{
-	vec3 low_range = cs / vec3(12.92);
-	vec3 high_range = pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4));
-	bvec3 lte = lessThanEqual(cs,vec3(0.04045));
-
-#ifdef OLD_SELECT
-	vec3 result;
-	result.r = lte.r ? low_range.r : high_range.r;
-	result.g = lte.g ? low_range.g : high_range.g;
-	result.b = lte.b ? low_range.b : high_range.b;
-    return result;
-#else
-	return mix(high_range, low_range, lte);
-#endif
-
-}
-
-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
-
-}
+vec3 srgb_to_linear(vec3 cs);
+vec3 linear_to_srgb(vec3 cl);
 
 vec2 encode_normal(vec3 n)
 {