SL-11774

Fix diffuse boost when water fog is enabled and make deferred underwater shader participate in EEP/WL param updates by marking it as a water shader.

3 files changed, 5 insertions, 41 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 269b76a19f..09b1813ebe 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -158,7 +158,9 @@ vec3 post_diffuse = color.rgb;
        
  vec3 post_spec = color.rgb;
  
-#ifndef WATER_FOG
+#ifdef WATER_FOG
+        color.rgb += diffuse_srgb.rgb * diffuse_srgb.a * 0.25;
+#else
         color.rgb = mix(color.rgb, diffuse_srgb.rgb, diffuse_srgb.a);
 #endif
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
index 641c6fbd36..9a5debb3c1 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
@@ -58,45 +58,8 @@ VARYING vec4 refCoord;
 VARYING vec4 littleWave;
 VARYING vec4 view;
 
-vec3 srgb_to_linear(vec3 c);
 vec2 encode_normal(vec3 n);
 
-vec4 applyWaterFog(vec4 color, vec3 viewVec)
-{
-	//normalize view vector
-	vec3 view = normalize(viewVec);
-	float es = -view.z;
-
-	//find intersection point with water plane and eye vector
-	
-	//get eye depth
-	float e0 = max(-waterPlane.w, 0.0);
-	
-	//get object depth
-	float depth = length(viewVec);
-		
-	//get "thickness" of water
-	float l = max(depth, 0.1);
-
-	float kd = waterFogDensity;
-	float ks = waterFogKS;
-	vec4 kc = waterFogColor;
-	
-	float F = 0.98;
-	
-	float t1 = -kd * pow(F, ks * e0);
-	float t2 = kd + ks * es;
-	float t3 = pow(F, t2*l) - 1.0;
-	
-	float L = min(t1/t2*t3, 1.0);
-	
-	float D = pow(0.98, l*kd);
-	//return vec4(1.0, 0.0, 1.0, 1.0);
-	return color * D + kc * L;
-	//depth /= 10.0;
-	//return vec4(depth,depth,depth,0.0);
-}
-
 void main() 
 {
 	vec4 color;
@@ -113,9 +76,7 @@ void main()
 		
 	vec4 fb = texture2D(screenTex, distort);
 
-    fb.rgb = srgb_to_linear(fb.rgb);
-
 	frag_data[0] = vec4(fb.rgb, 1.0); // diffuse
 	frag_data[1] = vec4(0.5,0.5,0.5, 0.95); // speccolor*spec, spec
-	frag_data[2] = vec4(encode_normal(wavef), 0.0, 0.0); // normalxyz, displace
+	frag_data[2] = vec4(encode_normal(wavef), 0.0, 0.0); // normalxyz, env intens, atmo kill
 }
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index aca236cdfd..bdd0330cca 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -2281,6 +2281,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredUnderWaterProgram.mShaderFiles.push_back(make_pair("deferred/waterV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredUnderWaterProgram.mShaderFiles.push_back(make_pair("deferred/underWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredUnderWaterProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
+        gDeferredUnderWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gDeferredUnderWaterProgram.createShader(NULL, NULL);
 		llassert(success);
 	}