WIP for 10374 (reduce number of shaders linking against deferredUtil).

Prepare for using ifdef to conditionally engage using gl_FragDepth in water shaders
(because GL requires that writing to gl_FragDepth on any path means you need to
 write a depth value on every path).

6 files changed, 268 insertions, 255 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index 24804c3011..2569e49743 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -140,7 +140,7 @@ void main()
 		discard;
 	}
 		
-	float envIntensity = texture2DRect(normalMap. frag.xy).z;
+	float envIntensity = texture2DRect(normalMap, frag.xy).z;
 	vec3 norm = getNorm(frag.xy);
 
 	float l_dist = -dot(lv, proj_n);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index d9ae37fbfa..df7b8f3f92 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -55,6 +55,7 @@ uniform float fresnelOffset;
 uniform float blurMultiplier;
 uniform vec2 screen_res;
 uniform mat4 norm_mat; //region space to screen space
+uniform int water_edge;
 
 //bigWave is (refCoord.w, view.w);
 VARYING vec4 refCoord;
@@ -73,105 +74,107 @@ vec3 BlendNormal(vec3 bump1, vec3 bump2)
 
 void main() 
 {
-	vec4 color;
-	float dist = length(view.xy);
-	
-	//normalize view vector
-	vec3 viewVec = normalize(view.xyz);
-	
-	//get wave normals
-	vec3 wave1_a = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
-	vec3 wave2_a = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0;
-	vec3 wave3_a = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0;
-
-
-	vec3 wave1_b = texture2D(bumpMap2, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
-	vec3 wave2_b = texture2D(bumpMap2, littleWave.xy).xyz*2.0-1.0;
-	vec3 wave3_b = texture2D(bumpMap2, littleWave.zw).xyz*2.0-1.0;
+    vec4 color;
+    float dist = length(view.xy);
+    
+    //normalize view vector
+    vec3 viewVec = normalize(view.xyz);
+    
+    //get wave normals
+    vec3 wave1_a = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
+    vec3 wave2_a = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0;
+    vec3 wave3_a = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0;
+
+
+    vec3 wave1_b = texture2D(bumpMap2, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
+    vec3 wave2_b = texture2D(bumpMap2, littleWave.xy).xyz*2.0-1.0;
+    vec3 wave3_b = texture2D(bumpMap2, littleWave.zw).xyz*2.0-1.0;
 
     vec3 wave1 = BlendNormal(wave1_a, wave1_b);
     vec3 wave2 = BlendNormal(wave2_a, wave2_b);
     vec3 wave3 = BlendNormal(wave3_a, wave3_b);
 
-	//get base fresnel components	
-	
-	vec3 df = vec3(
-					dot(viewVec, wave1),
-					dot(viewVec, (wave2 + wave3) * 0.5),
-					dot(viewVec, wave3)
-				 ) * fresnelScale + fresnelOffset;
-	df *= df;
-		    
-	vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5;
-	
-	float dist2 = dist;
-	dist = max(dist, 5.0);
-	
-	float dmod = sqrt(dist);
-	
-	vec2 dmod_scale = vec2(dmod*dmod, dmod);
-	
-	//get reflected color
-	vec2 refdistort1 = wave1.xy*normScale.x;
-	vec2 refvec1 = distort+refdistort1/dmod_scale;
-	vec4 refcol1 = texture2D(refTex, refvec1);
-	
-	vec2 refdistort2 = wave2.xy*normScale.y;
-	vec2 refvec2 = distort+refdistort2/dmod_scale;
-	vec4 refcol2 = texture2D(refTex, refvec2);
-	
-	vec2 refdistort3 = wave3.xy*normScale.z;
-	vec2 refvec3 = distort+refdistort3/dmod_scale;
-	vec4 refcol3 = texture2D(refTex, refvec3);
-
-	vec4 refcol = refcol1 + refcol2 + refcol3;
-	float df1 = df.x + df.y + df.z;
-	refcol *= df1 * 0.333;
-	
-	vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5;
-	wavef.z *= max(-viewVec.z, 0.1);
-	wavef = normalize(wavef);
-	
-	float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset;
-	
-	vec2 refdistort4 = wavef.xy*0.125;
-	refdistort4.y -= abs(refdistort4.y);
-	vec2 refvec4 = distort+refdistort4/dmod;
-	float dweight = min(dist2*blurMultiplier, 1.0);
-	vec4 baseCol = texture2D(refTex, refvec4);
-
-	refcol = mix(baseCol*df2, refcol, dweight);
-
-	//get specular component
-	float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0);
-		
-	//harden specular
-	spec = pow(spec, 128.0);
-
-	//figure out distortion vector (ripply)   
-	vec2 distort2 = distort+wavef.xy*refScale * 0.33/max(dmod*df1, 1.0);
-		
-	vec4 fb = texture2D(screenTex, distort2);
-	
-	//mix with reflection
-	// Note we actually want to use just df1, but multiplying by 0.999999 gets around an nvidia compiler bug
+    //get base fresnel components   
+    
+    vec3 df = vec3(
+                    dot(viewVec, wave1),
+                    dot(viewVec, (wave2 + wave3) * 0.5),
+                    dot(viewVec, wave3)
+                 ) * fresnelScale + fresnelOffset;
+    df *= df;
+            
+    vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5;
+    
+    float dist2 = dist;
+    dist = max(dist, 5.0);
+    
+    float dmod = sqrt(dist);
+    
+    vec2 dmod_scale = vec2(dmod*dmod, dmod);
+    
+    //get reflected color
+    vec2 refdistort1 = wave1.xy*normScale.x;
+    vec2 refvec1 = distort+refdistort1/dmod_scale;
+    vec4 refcol1 = texture2D(refTex, refvec1);
+    
+    vec2 refdistort2 = wave2.xy*normScale.y;
+    vec2 refvec2 = distort+refdistort2/dmod_scale;
+    vec4 refcol2 = texture2D(refTex, refvec2);
+    
+    vec2 refdistort3 = wave3.xy*normScale.z;
+    vec2 refvec3 = distort+refdistort3/dmod_scale;
+    vec4 refcol3 = texture2D(refTex, refvec3);
+
+    vec4 refcol = refcol1 + refcol2 + refcol3;
+    float df1 = df.x + df.y + df.z;
+    refcol *= df1 * 0.333;
+    
+    vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5;
+    wavef.z *= max(-viewVec.z, 0.1);
+    wavef = normalize(wavef);
+    
+    float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset;
+    
+    vec2 refdistort4 = wavef.xy*0.125;
+    refdistort4.y -= abs(refdistort4.y);
+    vec2 refvec4 = distort+refdistort4/dmod;
+    float dweight = min(dist2*blurMultiplier, 1.0);
+    vec4 baseCol = texture2D(refTex, refvec4);
+
+    refcol = mix(baseCol*df2, refcol, dweight);
+
+    //get specular component
+    float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0);
+        
+    //harden specular
+    spec = pow(spec, 128.0);
+
+    //figure out distortion vector (ripply)   
+    vec2 distort2 = distort+wavef.xy*refScale * 0.33/max(dmod*df1, 1.0);
+        
+    vec4 fb = texture2D(screenTex, distort2);
+    
+    //mix with reflection
+    // Note we actually want to use just df1, but multiplying by 0.999999 gets around an nvidia compiler bug
     refcol.rgb = pow(refcol.rgb, vec3(0.45)); // boost the reflect color a little to get stars to show up SL-1475
-	color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999);
-	
-	vec4 pos = vary_position;
-	
-	color.rgb += spec * specular;
-	
-	color.rgb = atmosTransport(color.rgb);
-	color.rgb = scaleSoftClipFrag(color.rgb);
-	color.a   = spec * sunAngle2;
-
-	vec3 screenspacewavef = normalize((norm_mat*vec4(wavef, 1.0)).xyz);
-
+    color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999);
+    
+    vec4 pos = vary_position;
+    
+    color.rgb += spec * specular;
+    
+    color.rgb = atmosTransport(color.rgb);
+    color.rgb = scaleSoftClipFrag(color.rgb);
+    color.a   = spec * sunAngle2;
+
+    vec3 screenspacewavef = normalize((norm_mat*vec4(wavef, 1.0)).xyz);
+
+#if defined(WATER_EDGE)
     // force frag depth which doesn't z-fight
-    gl_FragDepth = 0.99999f;	
+    gl_FragDepth = 0.99999f;    
+#endif
 
-	frag_data[0] = vec4(color.rgb, color); // diffuse
-	frag_data[1] = vec4(0);		// speccolor, spec
-	frag_data[2] = vec4(encode_normal(screenspacewavef.xyz*0.5+0.5), 0.05, 0);// normalxy, 0, 0
+    frag_data[0] = vec4(color.rgb, color); // diffuse
+    frag_data[1] = vec4(0);     // speccolor, spec
+    frag_data[2] = vec4(encode_normal(screenspacewavef.xyz*0.5+0.5), 0.05, 0);// normalxy, 0, 0
 }
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
index c4b3684141..415d0b9db4 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
@@ -50,7 +50,7 @@ uniform vec3 normScale;
 uniform float fresnelScale;
 uniform float fresnelOffset;
 uniform float blurMultiplier;
-
+uniform int water_edge;
 
 //bigWave is (refCoord.w, view.w);
 VARYING vec4 refCoord;
@@ -68,96 +68,99 @@ vec3 BlendNormal(vec3 bump1, vec3 bump2)
 
 void main() 
 {
-	vec4 color;
-	
-	float dist = length(view.xy);
-	
-	//normalize view vector
-	vec3 viewVec = normalize(view.xyz);
-	
-	//get wave normals
-	vec3 wave1_a = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
-	vec3 wave2_a = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0;
-	vec3 wave3_a = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0;
+    vec4 color;
+    
+    float dist = length(view.xy);
+    
+    //normalize view vector
+    vec3 viewVec = normalize(view.xyz);
+    
+    //get wave normals
+    vec3 wave1_a = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
+    vec3 wave2_a = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0;
+    vec3 wave3_a = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0;
 
-	vec3 wave1_b = texture2D(bumpMap2, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
-	vec3 wave2_b = texture2D(bumpMap2, littleWave.xy).xyz*2.0-1.0;
-	vec3 wave3_b = texture2D(bumpMap2, littleWave.zw).xyz*2.0-1.0;
+    vec3 wave1_b = texture2D(bumpMap2, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
+    vec3 wave2_b = texture2D(bumpMap2, littleWave.xy).xyz*2.0-1.0;
+    vec3 wave3_b = texture2D(bumpMap2, littleWave.zw).xyz*2.0-1.0;
 
-	vec3 wave1 = BlendNormal(wave1_a, wave1_b);
-	vec3 wave2 = BlendNormal(wave2_a, wave2_b);
-	vec3 wave3 = BlendNormal(wave3_a, wave3_b);
+    vec3 wave1 = BlendNormal(wave1_a, wave1_b);
+    vec3 wave2 = BlendNormal(wave2_a, wave2_b);
+    vec3 wave3 = BlendNormal(wave3_a, wave3_b);
 
-	//get base fresnel components	
-	
-	vec3 df = vec3(
-					dot(viewVec, wave1),
-					dot(viewVec, (wave2 + wave3) * 0.5),
-					dot(viewVec, wave3)
-				 ) * fresnelScale + fresnelOffset;
-	df *= df;
-		    
-	vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5;
-	
-	float dist2 = dist;
-	dist = max(dist, 5.0);
-	
-	float dmod = sqrt(dist);
-	
-	vec2 dmod_scale = vec2(dmod*dmod, dmod);
-	
-	//get reflected color
-	vec2 refdistort1 = wave1.xy*normScale.x;
-	vec2 refvec1 = distort+refdistort1/dmod_scale;
-	vec4 refcol1 = texture2D(refTex, refvec1);
-	
-	vec2 refdistort2 = wave2.xy*normScale.y;
-	vec2 refvec2 = distort+refdistort2/dmod_scale;
-	vec4 refcol2 = texture2D(refTex, refvec2);
-	
-	vec2 refdistort3 = wave3.xy*normScale.z;
-	vec2 refvec3 = distort+refdistort3/dmod_scale;
-	vec4 refcol3 = texture2D(refTex, refvec3);
+    //get base fresnel components   
+    
+    vec3 df = vec3(
+                    dot(viewVec, wave1),
+                    dot(viewVec, (wave2 + wave3) * 0.5),
+                    dot(viewVec, wave3)
+                 ) * fresnelScale + fresnelOffset;
+    df *= df;
+            
+    vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5;
+    
+    float dist2 = dist;
+    dist = max(dist, 5.0);
+    
+    float dmod = sqrt(dist);
+    
+    vec2 dmod_scale = vec2(dmod*dmod, dmod);
+    
+    //get reflected color
+    vec2 refdistort1 = wave1.xy*normScale.x;
+    vec2 refvec1 = distort+refdistort1/dmod_scale;
+    vec4 refcol1 = texture2D(refTex, refvec1);
+    
+    vec2 refdistort2 = wave2.xy*normScale.y;
+    vec2 refvec2 = distort+refdistort2/dmod_scale;
+    vec4 refcol2 = texture2D(refTex, refvec2);
+    
+    vec2 refdistort3 = wave3.xy*normScale.z;
+    vec2 refvec3 = distort+refdistort3/dmod_scale;
+    vec4 refcol3 = texture2D(refTex, refvec3);
 
-	vec4 refcol = refcol1 + refcol2 + refcol3;
-	float df1 = df.x + df.y + df.z;
-	refcol *= df1 * 0.333;
-	
-	vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5;
-	
-	wavef.z *= max(-viewVec.z, 0.1);
-	wavef = normalize(wavef);
-	
-	float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset;
-	
-	vec2 refdistort4 = wavef.xy*0.125;
-	refdistort4.y -= abs(refdistort4.y);
-	vec2 refvec4 = distort+refdistort4/dmod;
-	float dweight = min(dist2*blurMultiplier, 1.0);
-	vec4 baseCol = texture2D(refTex, refvec4);
-	refcol = mix(baseCol*df2, refcol, dweight);
+    vec4 refcol = refcol1 + refcol2 + refcol3;
+    float df1 = df.x + df.y + df.z;
+    refcol *= df1 * 0.333;
+    
+    vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5;
+    
+    wavef.z *= max(-viewVec.z, 0.1);
+    wavef = normalize(wavef);
+    
+    float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset;
+    
+    vec2 refdistort4 = wavef.xy*0.125;
+    refdistort4.y -= abs(refdistort4.y);
+    vec2 refvec4 = distort+refdistort4/dmod;
+    float dweight = min(dist2*blurMultiplier, 1.0);
+    vec4 baseCol = texture2D(refTex, refvec4);
+    refcol = mix(baseCol*df2, refcol, dweight);
 
-	//get specular component
-	float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0);
-		
-	//harden specular
-	spec = pow(spec, 128.0);
+    //get specular component
+    float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0);
+        
+    //harden specular
+    spec = pow(spec, 128.0);
 
-	//figure out distortion vector (ripply)   
-	vec2 distort2 = distort+wavef.xy*refScale/max(dmod*df1, 1.0);
-		
-	vec4 fb = texture2D(screenTex, distort2);
-	
-	//mix with reflection
-	// Note we actually want to use just df1, but multiplying by 0.999999 gets around and nvidia compiler bug
-	color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999);
-	color.rgb += spec * specular;
-	
-	color.rgb = atmosTransport(color.rgb);
-	color.rgb = scaleSoftClip(color.rgb);
-	color.a = spec * sunAngle2;
+    //figure out distortion vector (ripply)   
+    vec2 distort2 = distort+wavef.xy*refScale/max(dmod*df1, 1.0);
+        
+    vec4 fb = texture2D(screenTex, distort2);
+    
+    //mix with reflection
+    // Note we actually want to use just df1, but multiplying by 0.999999 gets around and nvidia compiler bug
+    color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999);
+    color.rgb += spec * specular;
+    
+    color.rgb = atmosTransport(color.rgb);
+    color.rgb = scaleSoftClip(color.rgb);
+    color.a = spec * sunAngle2;
 
+#if defined(WATER_EDGE)
     // force frag depth to fix z-fighting at back edge of water edge pieces
     gl_FragDepth = 0.99999;
-	frag_color = color;
+#endif
+
+    frag_color = color;
 }
diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp
index 9820720fb9..514ce41d5a 100644
--- a/indra/newview/lldrawpoolwater.cpp
+++ b/indra/newview/lldrawpoolwater.cpp
@@ -716,11 +716,18 @@ void LLDrawPoolWater::shade()
         for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); iter != mDrawFace.end(); iter++)
 		{
 			LLFace *face = *iter;
-			gGL.getTexUnit(diffTex)->bind(face->getTexture());
-            face->renderIndexed();
+            if (face)
+            {
+                LLVOWater* water = (LLVOWater*) face->getViewerObject();
+			    gGL.getTexUnit(diffTex)->bind(face->getTexture());
+
+                bool edge = water && water->getIsEdgePatch();
+                shader->uniform1i(LLShaderMgr::WATER_EDGE_FACTOR, edge ? 1 : 0);
+                face->renderIndexed();
+            }
 		}
     }
-	
+
 	shader->disableTexture(LLShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
 	shader->disableTexture(LLShaderMgr::WATER_SCREENTEX);	
 	shader->disableTexture(LLShaderMgr::BUMP_MAP);
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 5c65a3630c..a42aeaf015 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -153,6 +153,7 @@ LLGLSLShader		gSkinnedObjectShinySimpleWaterProgram;
 LLGLSLShader		gTerrainProgram;
 LLGLSLShader		gTerrainWaterProgram;
 LLGLSLShader		gWaterProgram;
+LLGLSLShader		gWaterEdgeProgram;
 LLGLSLShader		gUnderWaterProgram;
 
 //interface shaders
@@ -186,6 +187,7 @@ LLGLSLShader			gPostNightVisionProgram;
 // Deferred rendering shaders
 LLGLSLShader			gDeferredImpostorProgram;
 LLGLSLShader			gDeferredWaterProgram;
+LLGLSLShader			gDeferredWaterEdgeProgram;
 LLGLSLShader			gDeferredUnderWaterProgram;
 LLGLSLShader			gDeferredDiffuseProgram;
 LLGLSLShader			gDeferredDiffuseAlphaMaskProgram;
@@ -263,6 +265,7 @@ LLViewerShaderMgr::LLViewerShaderMgr() :
 	mShaderList.push_back(&gObjectShinyProgram);
 	mShaderList.push_back(&gObjectShinyNonIndexedProgram);
 	mShaderList.push_back(&gWaterProgram);
+    mShaderList.push_back(&gWaterEdgeProgram);
 	mShaderList.push_back(&gAvatarEyeballProgram); 
 	mShaderList.push_back(&gObjectSimpleProgram);
 	mShaderList.push_back(&gObjectSimpleImpostorProgram);
@@ -347,6 +350,7 @@ LLViewerShaderMgr::LLViewerShaderMgr() :
 	mShaderList.push_back(&gDeferredEmissiveProgram);
 	mShaderList.push_back(&gDeferredAvatarEyesProgram);
 	mShaderList.push_back(&gDeferredWaterProgram);
+    mShaderList.push_back(&gDeferredWaterEdgeProgram);
 	mShaderList.push_back(&gDeferredUnderWaterProgram);	
 	mShaderList.push_back(&gDeferredAvatarAlphaProgram);
 	mShaderList.push_back(&gDeferredWLSkyProgram);
@@ -865,6 +869,7 @@ void LLViewerShaderMgr::unloadShaders()
 	
 
 	gWaterProgram.unload();
+    gWaterEdgeProgram.unload();
 	gUnderWaterProgram.unload();
 	gTerrainProgram.unload();
 	gTerrainWaterProgram.unload();
@@ -1098,6 +1103,7 @@ BOOL LLViewerShaderMgr::loadShadersWater()
 	if (mShaderLevel[SHADER_WATER] == 0)
 	{
 		gWaterProgram.unload();
+        gWaterEdgeProgram.unload();
 		gUnderWaterProgram.unload();
 		gTerrainWaterProgram.unload();
 		return TRUE;
@@ -1119,6 +1125,23 @@ BOOL LLViewerShaderMgr::loadShadersWater()
         llassert(success);
 	}
 
+    if (success)
+	{
+		// load water shader
+		gWaterEdgeProgram.mName = "Water Edge Shader";
+		gWaterEdgeProgram.mFeatures.calculatesAtmospherics = true;
+		gWaterEdgeProgram.mFeatures.hasGamma = true;
+		gWaterEdgeProgram.mFeatures.hasTransport = true;
+		gWaterEdgeProgram.mShaderFiles.clear();
+		gWaterEdgeProgram.mShaderFiles.push_back(make_pair("environment/waterV.glsl", GL_VERTEX_SHADER_ARB));
+		gWaterEdgeProgram.mShaderFiles.push_back(make_pair("environment/waterF.glsl", GL_FRAGMENT_SHADER_ARB));
+        gWaterEdgeProgram.addPermutation("WATER_EDGE", "1");
+        gWaterEdgeProgram.mShaderGroup = LLGLSLShader::SG_WATER;
+		gWaterEdgeProgram.mShaderLevel = mShaderLevel[SHADER_WATER];
+		success = gWaterProgram.createShader(NULL, NULL);
+        llassert(success);
+	}
+
 	if (success)
 	{
 		//load under water vertex shader
@@ -1275,6 +1298,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredPostGammaCorrectProgram.unload();
 		gFXAAProgram.unload();
 		gDeferredWaterProgram.unload();
+        gDeferredWaterEdgeProgram.unload();
 		gDeferredUnderWaterProgram.unload();
 		gDeferredWLSkyProgram.unload();
 		gDeferredWLCloudProgram.unload();
@@ -1305,8 +1329,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredDiffuseProgram.mName = "Deferred Diffuse Shader";
         gDeferredDiffuseProgram.mFeatures.encodesNormal = true;
-        gDeferredDiffuseProgram.mFeatures.isDeferred = true;
-		gDeferredDiffuseProgram.mShaderFiles.clear();
+        gDeferredDiffuseProgram.mShaderFiles.clear();
 		gDeferredDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseIndexedF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredDiffuseProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
@@ -1319,8 +1342,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredDiffuseAlphaMaskProgram.mName = "Deferred Diffuse Alpha Mask Shader";
         gDeferredDiffuseAlphaMaskProgram.mFeatures.encodesNormal = true;
-        gDeferredDiffuseAlphaMaskProgram.mFeatures.isDeferred = true;
-		gDeferredDiffuseAlphaMaskProgram.mShaderFiles.clear();
+        gDeferredDiffuseAlphaMaskProgram.mShaderFiles.clear();
 		gDeferredDiffuseAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/diffuseV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredDiffuseAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/diffuseAlphaMaskIndexedF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredDiffuseAlphaMaskProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
@@ -1333,8 +1355,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredNonIndexedDiffuseAlphaMaskProgram.mName = "Deferred Diffuse Non-Indexed Alpha Mask Shader";
         gDeferredNonIndexedDiffuseAlphaMaskProgram.mFeatures.encodesNormal = true;
-        gDeferredNonIndexedDiffuseAlphaMaskProgram.mFeatures.isDeferred = true;
-		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderFiles.clear();
+        gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderFiles.clear();
 		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/diffuseV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/diffuseAlphaMaskF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -1346,8 +1367,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mName = "Deferred Diffuse Non-Indexed Alpha Mask Shader";
         gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mFeatures.encodesNormal = true;
-        gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mFeatures.isDeferred = true;
-		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderFiles.clear();
+        gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderFiles.clear();
 		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderFiles.push_back(make_pair("deferred/diffuseNoColorV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderFiles.push_back(make_pair("deferred/diffuseAlphaMaskNoColorF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -1359,8 +1379,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredNonIndexedDiffuseProgram.mName = "Non Indexed Deferred Diffuse Shader";
         gDeferredNonIndexedDiffuseProgram.mFeatures.encodesNormal = true;
-        gDeferredNonIndexedDiffuseProgram.mFeatures.isDeferred = true;
-		gDeferredNonIndexedDiffuseProgram.mShaderFiles.clear();
+        gDeferredNonIndexedDiffuseProgram.mShaderFiles.clear();
 		gDeferredNonIndexedDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredNonIndexedDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredNonIndexedDiffuseProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -1373,8 +1392,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedDiffuseProgram.mName = "Deferred Skinned Diffuse Shader";
 		gDeferredSkinnedDiffuseProgram.mFeatures.hasObjectSkinning = true;
         gDeferredSkinnedDiffuseProgram.mFeatures.encodesNormal = true;
-        gDeferredSkinnedDiffuseProgram.mFeatures.isDeferred = true;
-		gDeferredSkinnedDiffuseProgram.mShaderFiles.clear();
+        gDeferredSkinnedDiffuseProgram.mShaderFiles.clear();
 		gDeferredSkinnedDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredSkinnedDiffuseProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -1387,8 +1405,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedBumpProgram.mName = "Deferred Skinned Bump Shader";
 		gDeferredSkinnedBumpProgram.mFeatures.hasObjectSkinning = true;
         gDeferredSkinnedBumpProgram.mFeatures.encodesNormal = true;
-        gDeferredSkinnedBumpProgram.mFeatures.isDeferred = true;
-		gDeferredSkinnedBumpProgram.mShaderFiles.clear();
+        gDeferredSkinnedBumpProgram.mShaderFiles.clear();
 		gDeferredSkinnedBumpProgram.mShaderFiles.push_back(make_pair("deferred/bumpSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedBumpProgram.mShaderFiles.push_back(make_pair("deferred/bumpF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredSkinnedBumpProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -1411,9 +1428,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredSkinnedAlphaProgram.mFeatures.hasTransport = true;
         gDeferredSkinnedAlphaProgram.mFeatures.hasGamma = true;
         gDeferredSkinnedAlphaProgram.mFeatures.hasShadows = true;
-        gDeferredSkinnedAlphaProgram.mFeatures.hasIndirect = true;
-        gDeferredSkinnedAlphaProgram.mFeatures.isDeferred = true;
-
+        
 		gDeferredSkinnedAlphaProgram.mShaderFiles.clear();
 		gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -1434,8 +1449,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredBumpProgram.mName = "Deferred Bump Shader";
         gDeferredBumpProgram.mFeatures.encodesNormal = true;
-        gDeferredBumpProgram.mFeatures.isDeferred = true;
-		gDeferredBumpProgram.mShaderFiles.clear();
+        gDeferredBumpProgram.mShaderFiles.clear();
 		gDeferredBumpProgram.mShaderFiles.push_back(make_pair("deferred/bumpV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredBumpProgram.mShaderFiles.push_back(make_pair("deferred/bumpF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredBumpProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -1487,9 +1501,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
             gDeferredMaterialProgram[i].mFeatures.hasAtmospherics = true;
             gDeferredMaterialProgram[i].mFeatures.hasGamma = true;
             gDeferredMaterialProgram[i].mFeatures.hasShadows = true;
-            gDeferredMaterialProgram[i].mFeatures.hasIndirect = true;
-            gDeferredMaterialProgram[i].mFeatures.isDeferred = true;
-
+            
 			if (has_skin)
 			{
 				gDeferredMaterialProgram[i].mFeatures.hasObjectSkinning = true;
@@ -1528,9 +1540,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 
             gDeferredMaterialWaterProgram[i].mFeatures.hasTransport = true;
             gDeferredMaterialWaterProgram[i].mFeatures.hasShadows = true;
-            gDeferredMaterialWaterProgram[i].mFeatures.hasIndirect = true;
-            gDeferredMaterialWaterProgram[i].mFeatures.isDeferred = true;
-
+            
 			if (has_skin)
 			{
 				gDeferredMaterialWaterProgram[i].mFeatures.hasObjectSkinning = true;
@@ -1565,8 +1575,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredTreeProgram.mName = "Deferred Tree Shader";
 		gDeferredTreeProgram.mShaderFiles.clear();
         gDeferredTreeProgram.mFeatures.encodesNormal = true;
-        gDeferredTreeProgram.mFeatures.isDeferred = true;
-		gDeferredTreeProgram.mShaderFiles.push_back(make_pair("deferred/treeV.glsl", GL_VERTEX_SHADER_ARB));
+        gDeferredTreeProgram.mShaderFiles.push_back(make_pair("deferred/treeV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredTreeProgram.mShaderFiles.push_back(make_pair("deferred/treeF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredTreeProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredTreeProgram.createShader(NULL, NULL);
@@ -1688,7 +1697,6 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSunProgram.mName = "Deferred Sun Shader";
         gDeferredSunProgram.mFeatures.isDeferred    = true;
         gDeferredSunProgram.mFeatures.hasShadows    = true;
-        gDeferredSunProgram.mFeatures.hasIndirect   = true;
         gDeferredSunProgram.mFeatures.hasAmbientOcclusion = use_ao;
 
 		gDeferredSunProgram.mShaderFiles.clear();
@@ -1728,9 +1736,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredAlphaProgram.mFeatures.hasAtmospherics = true;
         gDeferredAlphaProgram.mFeatures.hasGamma = true;
         gDeferredAlphaProgram.mFeatures.hasTransport = true;
-        gDeferredAlphaProgram.mFeatures.isDeferred = true;
         gDeferredAlphaProgram.mFeatures.hasShadows = true;
-        gDeferredAlphaProgram.mFeatures.hasIndirect = true;
 
 		if (mShaderLevel[SHADER_DEFERRED] < 1)
 		{
@@ -1766,9 +1772,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaImpostorProgram.mFeatures.isAlphaLighting = true;
 		gDeferredAlphaImpostorProgram.mFeatures.hasSrgb = true;
         gDeferredAlphaImpostorProgram.mFeatures.encodesNormal = true;
-        gDeferredAlphaImpostorProgram.mFeatures.isDeferred = true;
         gDeferredAlphaImpostorProgram.mFeatures.hasShadows = true;
-        gDeferredAlphaImpostorProgram.mFeatures.hasIndirect = true;
 
 		gDeferredAlphaImpostorProgram.mFeatures.disableTextureIndex = true; //hack to disable auto-setup of texture channels
 		if (mShaderLevel[SHADER_DEFERRED] < 1)
@@ -1812,9 +1816,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredAlphaWaterProgram.mFeatures.hasAtmospherics = true;
         gDeferredAlphaWaterProgram.mFeatures.hasGamma = true;
         gDeferredAlphaWaterProgram.mFeatures.hasTransport = true;
-        gDeferredAlphaWaterProgram.mFeatures.isDeferred = true;
         gDeferredAlphaWaterProgram.mFeatures.hasShadows = true;
-        gDeferredAlphaWaterProgram.mFeatures.hasIndirect = true;
 
 		if (mShaderLevel[SHADER_DEFERRED] < 1)
 		{
@@ -1851,7 +1853,6 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAvatarEyesProgram.mFeatures.disableTextureIndex = true;
         gDeferredAvatarEyesProgram.mFeatures.hasSrgb = true;
         gDeferredAvatarEyesProgram.mFeatures.encodesNormal = true;
-        gDeferredAvatarEyesProgram.mFeatures.isDeferred = true;
         gDeferredAvatarEyesProgram.mFeatures.hasShadows = true;
 
 		gDeferredAvatarEyesProgram.mShaderFiles.clear();
@@ -1869,8 +1870,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightProgram.mFeatures.hasGamma = true;
 		gDeferredFullbrightProgram.mFeatures.hasTransport = true;
 		gDeferredFullbrightProgram.mFeatures.hasSrgb = true;
-        gDeferredFullbrightProgram.mFeatures.isDeferred = true;
-
+        
 		gDeferredFullbrightProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredFullbrightProgram.mShaderFiles.clear();
 		gDeferredFullbrightProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
@@ -1887,8 +1887,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightAlphaMaskProgram.mFeatures.hasGamma = true;
 		gDeferredFullbrightAlphaMaskProgram.mFeatures.hasTransport = true;
 		gDeferredFullbrightAlphaMaskProgram.mFeatures.hasSrgb = true;
-        gDeferredFullbrightAlphaMaskProgram.mFeatures.isDeferred = true;
-
+        
 		gDeferredFullbrightAlphaMaskProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredFullbrightAlphaMaskProgram.mShaderFiles.clear();
 		gDeferredFullbrightAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
@@ -1907,8 +1906,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightWaterProgram.mFeatures.hasTransport = true;
 		gDeferredFullbrightWaterProgram.mFeatures.hasWaterFog = true;
 		gDeferredFullbrightWaterProgram.mFeatures.hasSrgb = true;
-        gDeferredFullbrightWaterProgram.mFeatures.isDeferred = true;
-		gDeferredFullbrightWaterProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
+        gDeferredFullbrightWaterProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredFullbrightWaterProgram.mShaderFiles.clear();
 		gDeferredFullbrightWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredFullbrightWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -1927,8 +1925,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.hasTransport = true;
 		gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.hasWaterFog = true;
 		gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.hasSrgb = true;
-        gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.isDeferred = true;
-		gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
+        gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.clear();
 		gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -1946,8 +1943,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightShinyProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredFullbrightShinyProgram.mFeatures.hasGamma = true;
 		gDeferredFullbrightShinyProgram.mFeatures.hasTransport = true;
-        gDeferredFullbrightShinyProgram.mFeatures.isDeferred = true;
-		gDeferredFullbrightShinyProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels-1;
+        gDeferredFullbrightShinyProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels-1;
 		gDeferredFullbrightShinyProgram.mShaderFiles.clear();
 		gDeferredFullbrightShinyProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredFullbrightShinyProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -1965,8 +1961,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedFullbrightProgram.mFeatures.hasObjectSkinning = true;
 		gDeferredSkinnedFullbrightProgram.mFeatures.disableTextureIndex = true;
 		gDeferredSkinnedFullbrightProgram.mFeatures.hasSrgb = true;
-        gDeferredSkinnedFullbrightProgram.mFeatures.isDeferred = true;
-		gDeferredSkinnedFullbrightProgram.mShaderFiles.clear();
+        gDeferredSkinnedFullbrightProgram.mShaderFiles.clear();
 		gDeferredSkinnedFullbrightProgram.mShaderFiles.push_back(make_pair("objects/fullbrightSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedFullbrightProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredSkinnedFullbrightProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
@@ -1982,8 +1977,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasTransport = true;
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasObjectSkinning = true;
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.disableTextureIndex = true;
-        gDeferredSkinnedFullbrightShinyProgram.mFeatures.isDeferred = true;
-		gDeferredSkinnedFullbrightShinyProgram.mShaderFiles.clear();
+        gDeferredSkinnedFullbrightShinyProgram.mShaderFiles.clear();
 		gDeferredSkinnedFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinySkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedFullbrightShinyProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredSkinnedFullbrightShinyProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
@@ -1997,8 +1991,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredEmissiveProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredEmissiveProgram.mFeatures.hasGamma = true;
 		gDeferredEmissiveProgram.mFeatures.hasTransport = true;
-        gDeferredEmissiveProgram.mFeatures.isDeferred = true;
-		gDeferredEmissiveProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
+        gDeferredEmissiveProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredEmissiveProgram.mShaderFiles.clear();
 		gDeferredEmissiveProgram.mShaderFiles.push_back(make_pair("deferred/emissiveV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredEmissiveProgram.mShaderFiles.push_back(make_pair("deferred/emissiveF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -2015,9 +2008,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWaterProgram.mFeatures.hasGamma = true;
 		gDeferredWaterProgram.mFeatures.hasTransport = true;
         gDeferredWaterProgram.mFeatures.encodesNormal = true;
-        gDeferredWaterProgram.mFeatures.isDeferred = true;
         gDeferredWaterProgram.mFeatures.hasShadows = true;
-        gDeferredWaterProgram.mFeatures.hasIndirect = true;
 
 		gDeferredWaterProgram.mShaderFiles.clear();
 		gDeferredWaterProgram.mShaderFiles.push_back(make_pair("deferred/waterV.glsl", GL_VERTEX_SHADER_ARB));
@@ -2028,6 +2019,26 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         llassert(success);
 	}
 
+    if (success)
+	{
+		// load water shader
+		gDeferredWaterEdgeProgram.mName = "Deferred Water Shader";
+		gDeferredWaterEdgeProgram.mFeatures.calculatesAtmospherics = true;
+		gDeferredWaterEdgeProgram.mFeatures.hasGamma = true;
+		gDeferredWaterEdgeProgram.mFeatures.hasTransport = true;
+        gDeferredWaterEdgeProgram.mFeatures.encodesNormal = true;
+        gDeferredWaterEdgeProgram.mFeatures.hasShadows = true;
+
+		gDeferredWaterEdgeProgram.mShaderFiles.clear();
+		gDeferredWaterEdgeProgram.mShaderFiles.push_back(make_pair("deferred/waterV.glsl", GL_VERTEX_SHADER_ARB));
+		gDeferredWaterEdgeProgram.mShaderFiles.push_back(make_pair("deferred/waterF.glsl", GL_FRAGMENT_SHADER_ARB));
+        gDeferredWaterEdgeProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
+        gDeferredWaterEdgeProgram.mShaderGroup = LLGLSLShader::SG_WATER;
+        gDeferredWaterEdgeProgram.addPermutation("WATER_EDGE", "1");
+		success = gDeferredWaterEdgeProgram.createShader(NULL, NULL);
+        llassert(success);
+	}
+
 	if (success)
 	{
 		// load water shader
@@ -2038,9 +2049,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredUnderWaterProgram.mFeatures.hasTransport = true;
 		gDeferredUnderWaterProgram.mFeatures.hasSrgb = true;
         gDeferredUnderWaterProgram.mFeatures.encodesNormal = true;
-        gDeferredUnderWaterProgram.mFeatures.isDeferred = true;
         gDeferredUnderWaterProgram.mFeatures.hasShadows = true;
-        gDeferredUnderWaterProgram.mFeatures.hasIndirect = true;
 
 		gDeferredUnderWaterProgram.mShaderFiles.clear();
 		gDeferredUnderWaterProgram.mShaderFiles.push_back(make_pair("deferred/waterV.glsl", GL_VERTEX_SHADER_ARB));
@@ -2061,7 +2070,6 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredSoftenProgram.mFeatures.hasGamma = true;
         gDeferredSoftenProgram.mFeatures.isDeferred = true;
         gDeferredSoftenProgram.mFeatures.hasShadows = true;
-        gDeferredSoftenProgram.mFeatures.hasIndirect = true;
 
 		gDeferredSoftenProgram.mShaderFiles.push_back(make_pair("deferred/softenLightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSoftenProgram.mShaderFiles.push_back(make_pair("deferred/softenLightF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -2104,7 +2112,6 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredSoftenWaterProgram.mFeatures.hasGamma = true;
         gDeferredSoftenWaterProgram.mFeatures.isDeferred = true;
         gDeferredSoftenWaterProgram.mFeatures.hasShadows = true;
-        gDeferredSoftenWaterProgram.mFeatures.hasIndirect = true;
 
         if (gAtmosphere && gDeferredSoftenWaterProgram.mShaderLevel > 2)
         {
@@ -2212,8 +2219,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gTerrainProgram.mName = "Deferred Terrain Shader";
         gDeferredTerrainProgram.mFeatures.encodesNormal = true;
-        gDeferredTerrainProgram.mFeatures.isDeferred = true;
-		gDeferredTerrainProgram.mShaderFiles.clear();
+        gDeferredTerrainProgram.mShaderFiles.clear();
 		gDeferredTerrainProgram.mShaderFiles.push_back(make_pair("deferred/terrainV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredTerrainProgram.mShaderFiles.push_back(make_pair("deferred/terrainF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredTerrainProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -2226,8 +2232,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAvatarProgram.mName = "Avatar Shader";
 		gDeferredAvatarProgram.mFeatures.hasSkinning = true;
         gDeferredAvatarProgram.mFeatures.encodesNormal = true;
-        gDeferredAvatarProgram.mFeatures.isDeferred = true;
-		gDeferredAvatarProgram.mShaderFiles.clear();
+        gDeferredAvatarProgram.mShaderFiles.clear();
 		gDeferredAvatarProgram.mShaderFiles.push_back(make_pair("deferred/avatarV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarProgram.mShaderFiles.push_back(make_pair("deferred/avatarF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAvatarProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -2251,7 +2256,6 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredAvatarAlphaProgram.mFeatures.hasGamma = true;
         gDeferredAvatarAlphaProgram.mFeatures.isDeferred = true;
         gDeferredAvatarAlphaProgram.mFeatures.hasShadows = true;
-        gDeferredAvatarAlphaProgram.mFeatures.hasIndirect = true;
 
 		gDeferredAvatarAlphaProgram.mShaderFiles.clear();
 		gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
@@ -2347,14 +2351,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredWLSkyProgram.mName = "Deferred Windlight Sky Shader";
-		//gWLSkyProgram.mFeatures.hasGamma = true;
-        gDeferredWLSkyProgram.mShaderFiles.clear();
+		gDeferredWLSkyProgram.mShaderFiles.clear();
         gDeferredWLSkyProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredWLSkyProgram.mFeatures.hasTransport = true;
         gDeferredWLSkyProgram.mFeatures.hasGamma = true;
         gDeferredWLSkyProgram.mFeatures.hasSrgb = true;
-        gDeferredWLSkyProgram.mFeatures.isDeferred = true;
-
+        
 		gDeferredWLSkyProgram.mShaderFiles.push_back(make_pair("deferred/skyV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWLSkyProgram.mShaderFiles.push_back(make_pair("deferred/skyF.glsl", GL_FRAGMENT_SHADER_ARB));
         gDeferredWLSkyProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
@@ -2375,8 +2377,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLCloudProgram.mFeatures.hasTransport = true;
         gDeferredWLCloudProgram.mFeatures.hasGamma = true;
         gDeferredWLCloudProgram.mFeatures.hasSrgb = true;
-        gDeferredWLCloudProgram.mFeatures.isDeferred = true;
-
+        
 		gDeferredWLCloudProgram.mShaderFiles.push_back(make_pair("deferred/cloudsV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWLCloudProgram.mShaderFiles.push_back(make_pair("deferred/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredWLCloudProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
@@ -2450,8 +2451,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLSunProgram.mFeatures.hasAtmospherics = true;
         gDeferredWLSunProgram.mFeatures.isFullbright = true;
 		gDeferredWLSunProgram.mFeatures.disableTextureIndex = true;
-        gDeferredWLSunProgram.mFeatures.isDeferred = true;
-		gDeferredWLSunProgram.mShaderFiles.clear();
+        gDeferredWLSunProgram.mShaderFiles.clear();
 		gDeferredWLSunProgram.mShaderFiles.push_back(make_pair("deferred/sunDiscV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWLSunProgram.mShaderFiles.push_back(make_pair("deferred/sunDiscF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredWLSunProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
@@ -2469,8 +2469,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLMoonProgram.mFeatures.hasAtmospherics = true;
         gDeferredWLMoonProgram.mFeatures.isFullbright = true;
 		gDeferredWLMoonProgram.mFeatures.disableTextureIndex = true;
-        gDeferredWLMoonProgram.mFeatures.isDeferred = true;
-
+        
 		gDeferredWLMoonProgram.mShaderFiles.clear();
 		gDeferredWLMoonProgram.mShaderFiles.push_back(make_pair("deferred/moonV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWLMoonProgram.mShaderFiles.push_back(make_pair("deferred/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -2483,8 +2482,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredStarProgram.mName = "Deferred Star Program";
-        gDeferredStarProgram.mFeatures.isDeferred = true;
-		gDeferredStarProgram.mShaderFiles.clear();
+        gDeferredStarProgram.mShaderFiles.clear();
 		gDeferredStarProgram.mShaderFiles.push_back(make_pair("deferred/starsV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredStarProgram.mShaderFiles.push_back(make_pair("deferred/starsF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredStarProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 18d81bf865..05e1681b40 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -239,6 +239,7 @@ extern LLGLSLShader			gSkinnedObjectShinySimpleWaterProgram;
 extern LLGLSLShader			gTerrainProgram;
 extern LLGLSLShader			gTerrainWaterProgram;
 extern LLGLSLShader			gWaterProgram;
+extern LLGLSLShader			gWaterEdgeProgram;
 extern LLGLSLShader			gUnderWaterProgram;
 extern LLGLSLShader			gGlowProgram;
 extern LLGLSLShader			gGlowExtractProgram;
@@ -273,6 +274,7 @@ extern LLGLSLShader			gPostNightVisionProgram;
 // Deferred rendering shaders
 extern LLGLSLShader			gDeferredImpostorProgram;
 extern LLGLSLShader			gDeferredWaterProgram;
+extern LLGLSLShader			gDeferredWaterEdgeProgram;
 extern LLGLSLShader			gDeferredUnderWaterProgram;
 extern LLGLSLShader			gDeferredDiffuseProgram;
 extern LLGLSLShader			gDeferredDiffuseAlphaMaskProgram;