Merged in graham_linden/viewer-eep-g (pull request #391)

SL-10996, SL-11149

indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl

@@ -50,7 +50,7 @@ float pcfShadow(sampler2DShadow shadowMap, vec3 norm, vec4 stc, float bias_mul,
 {
     float offset = shadow_bias * bias_mul;
     stc.xyz /= stc.w;
-    stc.z += offset * 3.0;
+    stc.z += offset * 2.0;
     stc.x = floor(stc.x*shadow_res.x + fract(pos_screen.y*shadow_res.y))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here
     float cs = shadow2D(shadowMap, stc.xyz).x;
     float shadow = cs * 4.0;

indra/newview/app_settings/shaders/class1/deferred/waterF.glsl

@@ -157,6 +157,6 @@ void main()
     vec3 screenspacewavef = normalize((norm_mat*vec4(wavef, 1.0)).xyz);
 
     frag_data[0] = vec4(color.rgb, 0); // diffuse
-    frag_data[1] = vec4(specular * 0.15, 0.5);     // speccolor, spec
+    frag_data[1] = vec4(specular * 0.5, 0.5);     // speccolor, spec
     frag_data[2] = vec4(encode_normal(screenspacewavef.xyz), 0.05, 0);// normalxy, 0, 0
 }

indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl

@@ -190,11 +190,10 @@ vec3 post_atmo = color.rgb;
             bloom = fogged.a;
         #endif
 
+// srgb colorspace debuggables
 //color.rgb = amblit;
-//color.rgb = vec3(ambient);
 //color.rgb = sunlit;
 //color.rgb = post_ambient;
-//color.rgb = vec3(final_da);
 //color.rgb = sun_contrib;
 //color.rgb = post_sunlight;
 //color.rgb = diffuse_srgb.rgb;
@@ -208,6 +207,11 @@ vec3 post_atmo = color.rgb;
         color.rgb = srgb_to_linear(color.rgb);
     }
 
+// linear debuggables
+//color.rgb = vec3(final_da);
+//color.rgb = vec3(ambient);
+//color.rgb = vec3(scol);
+
     frag_color.rgb = color.rgb;
     frag_color.a = bloom;
 }

indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl

@@ -22,8 +22,6 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
-
 
 // VARYING param funcs
 void setSunlitColor(vec3 v);

indra/newview/app_settings/shaders/class2/windlight/transportF.glsl

@@ -51,11 +51,11 @@ vec3 atmosTransport(vec3 light)
 vec3 fullbrightAtmosTransport(vec3 light)
 {
     float brightness = dot(light.rgb, vec3(0.33333));
-    return atmosTransportFrag(light, getAdditiveColor() * (brightness * 0.5 + 0.5), getAtmosAttenuation());
+    return atmosTransportFrag(light * 0.5, getAdditiveColor() * (brightness * 0.5 + 0.5), getAtmosAttenuation());
 }
 
 vec3 fullbrightShinyAtmosTransport(vec3 light)
 {
     float brightness = dot(light.rgb, vec3(0.33333));
-    return atmosTransportFrag(light, getAdditiveColor() * (brightness * 0.5 + 0.5), getAtmosAttenuation());
+    return atmosTransportFrag(light * 0.5, getAdditiveColor() * (brightness * brightness), getAtmosAttenuation());
 }

indra/newview/app_settings/shaders/class3/windlight/atmosphericsF.glsl

@@ -37,22 +37,29 @@ uniform vec4 blue_density;
 uniform float haze_horizon;
 uniform float haze_density;
 uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float distance_multiplier;
 uniform float max_y;
 uniform vec4 glow;
 uniform float scene_light_strength;
 uniform mat3 ssao_effect_mat;
+uniform int no_atmo;
+uniform float sun_moon_glow_factor;
 
 vec3 scaleSoftClipFrag(vec3 light);
 
 vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten)
 {
-	light *= atten.r;
-	light += additive;
-	return (2.0 * light);
+    if (no_atmo == 1)
+    {
+        return light;
+    }
+    light *= atten.r;
+    light += additive;
+    return light * 2.0;
 }
 
 vec3 atmosLighting(vec3 light)
 {
     return atmosFragLighting(light, getAdditiveColor(), getAtmosAttenuation());
 }
-

indra/newview/app_settings/shaders/class3/windlight/transportF.glsl

@@ -35,10 +35,12 @@ uniform int no_atmo;
 vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten)
 {
     if (no_atmo == 1)
-	{
+    {
         return light;
     }
-	return (light + additive) * atten * 2.0;
+    light *= atten.r;
+    light += additive;
+    return light * 2.0;
 }
 
 vec3 atmosTransport(vec3 light)
@@ -48,10 +50,12 @@ vec3 atmosTransport(vec3 light)
 
 vec3 fullbrightAtmosTransport(vec3 light)
 {
-     return atmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation());
+    float brightness = dot(light.rgb, vec3(0.33333));
+    return atmosTransportFrag(light * 0.5, getAdditiveColor() * (brightness * 0.5 + 0.5), getAtmosAttenuation());
 }
 
 vec3 fullbrightShinyAtmosTransport(vec3 light)
 {
-    return atmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation());
+    float brightness = dot(light.rgb, vec3(0.33333));
+    return atmosTransportFrag(light * 0.5, getAdditiveColor() * (brightness * brightness), getAtmosAttenuation());
 }

indra/newview/llvosky.cpp

@@ -207,10 +207,14 @@ void LLSkyTex::create(const F32 brightness)
 
 void LLSkyTex::createGLImage(S32 which)
 {	
-    if (LLPipeline::RenderDeferred) {
+#if USE_SRGB_DECODE
+    if (LLPipeline::RenderDeferred)
+    {
         mTexture[which]->setExplicitFormat(GL_SRGB8_ALPHA8, GL_RGBA);
     }
-    else {
+    else
+#endif
+    {
         mTexture[which]->setExplicitFormat(GL_RGBA8, GL_RGBA);
     }
 	mTexture[which]->createGLTexture(0, mImageRaw[which], 0, TRUE, LLGLTexture::LOCAL);