SL-11621

Remove all references to unused shader var global_gamma.

Remove many unused decls for gamma from shaders.

Make post-deferred gamma correction use display_gamma.

Make setting display_gamma use the correct RenderDeferredDisplayGamma setting.

14 files changed, 3 insertions, 27 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 0c4707098b..546a502ee1 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -37,10 +37,7 @@ out vec4 frag_color;
 #define frag_color gl_FragColor
 #endif
 
-uniform float display_gamma;
-uniform vec4 gamma;
 uniform mat3 env_mat;
-
 uniform vec3 sun_dir;
 uniform vec3 moon_dir;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
index f6694aae2a..ae1ac5de7f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
@@ -43,7 +43,6 @@ uniform sampler2D cloud_noise_texture_next;
 uniform float blend_factor;
 uniform vec4 cloud_pos_density1;
 uniform vec4 cloud_pos_density2;
-uniform vec4 gamma;
 uniform float cloud_scale;
 uniform float cloud_variance;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index 38792601f6..a13c8de43e 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -31,7 +31,6 @@
 #define DIFFUSE_ALPHA_MODE_EMISSIVE 3
 
 uniform float emissive_brightness;
-uniform float display_gamma;
 uniform int sun_up_factor;
 
 #ifdef WATER_FOG
@@ -64,8 +63,6 @@ uniform sampler2D     lightFunc;
 // Inputs
 uniform vec4 morphFactor;
 uniform vec3 camPosLocal;
-//uniform vec4 camPosWorld;
-uniform vec4 gamma;
 uniform mat3 env_mat;
 
 uniform vec3 sun_dir;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
index 058e939ec8..9f519708a2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
@@ -37,7 +37,6 @@ uniform sampler2DRect diffuseRect;
 
 uniform vec2 screen_res;
 VARYING vec2 vary_fragcoord;
-
 uniform float display_gamma;
 
 vec3 linear_to_srgb(vec3 cl);
@@ -45,7 +44,7 @@ vec3 linear_to_srgb(vec3 cl);
 void main() 
 {
     vec4 diff = texture2DRect(diffuseRect, vary_fragcoord);
-    diff.rgb = linear_to_srgb(diff.rgb);
+    diff.rgb = pow(diff.rgb, vec3(display_gamma));
     frag_color = diff;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
index 65e4fdf17f..331249dc33 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
@@ -37,8 +37,6 @@ out vec4 frag_data[3];
 
 VARYING vec4 vary_HazeColor;
 
-uniform vec4 gamma;
-
 /// Soft clips the light with a gamma correction
 vec3 scaleSoftClip(vec3 light);
 vec3 srgb_to_linear(vec3 c);
diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl
index 0607ea8bc5..4460ef905b 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl
@@ -22,7 +22,6 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
-uniform vec4 gamma;
 uniform vec4 lightnorm;
 uniform vec4 sunlight_color;
 uniform vec4 moonlight_color;
diff --git a/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl
index 346634af33..fc51e81177 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl
@@ -24,7 +24,6 @@
  */
  
 uniform int no_atmo;
-uniform vec4 gamma;
 
 vec3 scaleSoftClipFrag(vec3 light)
 {
diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
index b826cff304..1dce85a83b 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
@@ -64,7 +64,6 @@ VARYING vec3 pos;
 // The fragment shader for the sky
 /////////////////////////////////////////////////////////////////////////
 
-uniform vec4 gamma;
 uniform sampler2D rainbow_map;
 uniform sampler2D halo_map;
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
index 3ac0fc224b..75bf8730df 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsF.glsl
@@ -44,7 +44,6 @@ uniform sampler2D cloud_noise_texture_next;
 uniform float blend_factor;
 uniform vec4 cloud_pos_density1;
 uniform vec4 cloud_pos_density2;
-uniform vec4 gamma;
 uniform float cloud_scale;
 uniform float cloud_variance;
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
index 5c339f9663..68db7fcbb1 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
@@ -22,10 +22,7 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
-
-
-uniform vec4 gamma;
+uniform float gamma;
 uniform int no_atmo;
 
 vec3 getAtmosAttenuation();
@@ -39,7 +36,7 @@ vec3 scaleSoftClipFrag(vec3 light)
     }
     //soft clip effect:
     light = 1. - clamp(light, vec3(0.), vec3(1.));
-    light = 1. - pow(light, gamma.xxx);
+    light = 1. - pow(light, vec3(gamma)); // s/b inverted already CPU-side
     return light;
 }
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/skyF.glsl b/indra/newview/app_settings/shaders/class2/windlight/skyF.glsl
index de6fb276aa..7146349453 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/skyF.glsl
@@ -35,8 +35,6 @@ out vec4 frag_color;
 
 VARYING vec4 vary_HazeColor;
 
-uniform vec4 gamma;
-
 /// Soft clips the light with a gamma correction
 vec3 scaleSoftClip(vec3 light);
 
diff --git a/indra/newview/app_settings/shaders/class3/deferred/genSkyShF.glsl b/indra/newview/app_settings/shaders/class3/deferred/genSkyShF.glsl
index c02e6d1e57..d5d91c88f0 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/genSkyShF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/genSkyShF.glsl
@@ -37,7 +37,6 @@ uniform sampler2D transmittance_texture;
 uniform sampler3D scattering_texture;
 uniform sampler3D single_mie_scattering_texture;
 uniform sampler2D irradiance_texture;
-uniform vec4 gamma;
 
 vec3 GetSkyLuminance(vec3 camPos, vec3 view_dir, float shadow_length, vec3 dir, out vec3 transmittance);
 
diff --git a/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl
index d0514f7d23..6de01cb667 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/skyF.glsl
@@ -44,7 +44,6 @@ uniform sampler3D single_mie_scattering_texture;
 uniform sampler2D irradiance_texture;
 uniform sampler2D rainbow_map;
 uniform sampler2D halo_map;
-uniform vec4 gamma;
 
 uniform float moisture_level;
 uniform float droplet_radius;
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index 82a899ad65..978c25b86a 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -50,7 +50,6 @@ uniform vec3 camPosLocal;
 uniform float cloud_shadow;
 uniform float max_y;
 uniform vec4 glow;
-uniform float global_gamma;
 uniform mat3 env_mat;
 uniform vec4 shadow_clip;
 
@@ -94,7 +93,6 @@ void main()
     norm.xyz = getNorm(tc);
 
     float da = max(dot(norm.xyz, sun_dir.xyz), 0.0);
-              da = pow(da, global_gamma + 0.3);
 
     vec4 diffuse = texture2DRect(diffuseRect, tc); // linear
 
@@ -106,7 +104,6 @@ void main()
         vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
         
         vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
-//        scol_ambocc = pow(scol_ambocc, vec3(global_gamma + 0.3));
 
         float scol = max(scol_ambocc.r, diffuse.a);