From 3e80fa3dbc943de9b784fedc202ba38cf238f46d Mon Sep 17 00:00:00 2001
From: David Parks <davep@lindenlab.com>
Date: Mon, 2 Nov 2009 19:55:37 +0000
Subject: Sync up with render-pipeline-7 ignore-dead-branch

---
 .../newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl | 2 +-
 indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 651959413c..45884d5732 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -137,7 +137,7 @@ void main()
 		}
 		
 		//float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0);
-		vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_ambient_lod);
+		vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_lod);
 							
 		amb_da += (da*da*0.5+0.5)*proj_ambiance;
 				
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index a0026edcd2..4333cc64a7 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -224,11 +224,11 @@ void main()
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.1).x; 
+	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8).x; 
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.1).x; 
+	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8).x; 
 
 	//gl_FragColor.rgb = pos.xyz;
 	//gl_FragColor.b = shadow;
-- 
cgit v1.2.3


From e833e7ad442f5b59f95c6ccfcaaf1d103d247d69 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Mon, 4 Jan 2010 11:50:04 -0600
Subject: CTS-54 Fix for SSAO artifacts far away.

---
 .../shaders/class2/deferred/sunLightF.glsl         | 82 ++++++++++++----------
 1 file changed, 46 insertions(+), 36 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 4333cc64a7..74a948f584 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -55,51 +55,61 @@ vec4 getPosition(vec2 pos_screen)
 //calculate decreases in ambient lighting when crowded out (SSAO)
 float calcAmbientOcclusion(vec4 pos, vec3 norm)
 {
-	vec2 kern[8];
-	// exponentially (^2) distant occlusion samples spread around origin
-	kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
-	kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
-	kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
-	kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
-	kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
-	kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
-	kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
-	kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
-
-	vec2 pos_screen = vary_fragcoord.xy;
-	vec3 pos_world = pos.xyz;
-	vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
-	
-	float angle_hidden = 0.0;
-	int points = 0;
+	float ret = 1.0;
 	
-	float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
+	float dist = dot(pos.xyz,pos.xyz);
 	
-	// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
-	for (int i = 0; i < 8; i++)
+	if (dist < 64.0*64.0)
 	{
-		vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
-		vec3 samppos_world = getPosition(samppos_screen).xyz; 
+		vec2 kern[8];
+		// exponentially (^2) distant occlusion samples spread around origin
+		kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
+		kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
+		kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
+		kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
+		kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
+		kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
+		kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
+		kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
+
+		vec2 pos_screen = vary_fragcoord.xy;
+		vec3 pos_world = pos.xyz;
+		vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
 		
-		vec3 diff = pos_world - samppos_world;
-		float dist2 = dot(diff, diff);
+		float angle_hidden = 0.0;
+		int points = 0;
 		
-		// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
-		// --> solid angle shrinking by the square of distance
-		//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
-		//(k should vary inversely with # of samples, but this is taken care of later)
+		float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
 		
-		//if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0)  // -0.05*norm to shift sample point back slightly for flat surfaces
-		//	angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional.  max of 1.0 (= ssao_factor_inv * ssao_factor)
-		angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
+		// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
+		for (int i = 0; i < 8; i++)
+		{
+			vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
+			vec3 samppos_world = getPosition(samppos_screen).xyz; 
+			
+			vec3 diff = pos_world - samppos_world;
+			float dist2 = dot(diff, diff);
+			
+			// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
+			// --> solid angle shrinking by the square of distance
+			//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
+			//(k should vary inversely with # of samples, but this is taken care of later)
+			
+			//if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0)  // -0.05*norm to shift sample point back slightly for flat surfaces
+			//	angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional.  max of 1.0 (= ssao_factor_inv * ssao_factor)
+			angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
+			
+			// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
+			points = points + int(diff.z > -1.0);
+		}
 		
-		// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
-		points = points + int(diff.z > -1.0);
+		angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
+		
+		ret = (1.0 - (float(points != 0) * angle_hidden));
+		ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0);
 	}
 	
-	angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
-	
-	return (1.0 - (float(points != 0) * angle_hidden));
+	return min(ret, 1.0);
 }
 
 float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
-- 
cgit v1.2.3


From 728463b40b9794b9fa4cd5b7bad3f169033d0bc8 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 8 Jan 2010 13:31:04 -0600
Subject: Cleaned up visible edges of projector frustum in
 diffuse/specular/ambient lighting from projectors.

---
 .../shaders/class2/deferred/multiSpotLightF.glsl   | 58 ++++++++++++++++++++--
 .../shaders/class2/deferred/spotLightF.glsl        | 11 ----
 2 files changed, 54 insertions(+), 15 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 45884d5732..3e29c684e8 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -43,6 +43,52 @@ uniform vec2 screen_res;
 
 uniform mat4 inv_proj;
 
+vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = tc-vec2(0.5);
+	
+	float det = max(1.0-lod/(proj_lod*0.5), 0.0);
+	
+	float d = dot(dist,dist);
+		
+	ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0)+det, 1.0);
+	
+	return ret;
+}
+
+vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
+	
+	float det = min(lod/(proj_lod*0.5), 1.0);
+	
+	float d = min(dist.x, dist.y);
+	
+	float edge = 0.25*det;
+		
+	ret *= clamp(d/edge, 0.0, 1.0);
+	
+	return ret;
+}
+
+vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
+{
+	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	
+	vec2 dist = tc-vec2(0.5);
+	
+	float d = dot(dist,dist);
+		
+	ret *= min(clamp((0.25-d)/0.25, 0.0, 1.0), 1.0);
+	
+	return ret;
+}
+
+
 vec4 getPosition(vec2 pos_screen)
 {
 	float depth = texture2DRect(depthMap, pos_screen.xy).a;
@@ -126,7 +172,7 @@ void main()
 			float diff = clamp((l_dist-proj_focus)/proj_range, 0.0, 1.0);
 			float lod = diff * proj_lod;
 			
-			vec4 plcol = texture2DLod(projectionMap, proj_tc.xy, lod);
+			vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod);
 		
 			vec3 lcol = gl_Color.rgb * plcol.rgb * plcol.a;
 			
@@ -137,7 +183,7 @@ void main()
 		}
 		
 		//float diff = clamp((proj_range-proj_focus)/proj_range, 0.0, 1.0);
-		vec4 amb_plcol = texture2DLod(projectionMap, proj_tc.xy, proj_lod);
+		vec4 amb_plcol = texture2DLodAmbient(projectionMap, proj_tc.xy, proj_lod);
 							
 		amb_da += (da*da*0.5+0.5)*proj_ambiance;
 				
@@ -167,13 +213,17 @@ void main()
 			if (stc.z > 0.0)
 			{
 				stc.xy /= stc.w;
-					
+
+				float fatten = clamp(spec.a*spec.a+spec.a*0.5, 0.25, 1.0);
+				
+				stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
+								
 				if (stc.x < 1.0 &&
 					stc.y < 1.0 &&
 					stc.x > 0.0 &&
 					stc.y > 0.0)
 				{
-					vec4 scol = texture2DLod(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
+					vec4 scol = texture2DLodSpecular(projectionMap, stc.xy, proj_lod-spec.a*proj_lod);
 					col += dist_atten*scol.rgb*gl_Color.rgb*scol.a*spec.rgb*shadow;
 				}
 			}
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index d6534083cf..6617e33c0d 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -179,17 +179,6 @@ void main()
 		}
 	}
 	
-	/*if (spec.a > 0.0)
-	{
-		//vec3 ref = reflect(normalize(pos), norm);
-		float sa = dot(normalize(lv-normalize(pos)),norm);;
-		//sa = max(sa, 0.0);
-		//sa = pow(sa, 128.0 * spec.a*spec.a/dist_atten)*min(dist_atten*4.0, 1.0);
-		sa = texture2D(lightFunc, vec2(sa, spec.a)).a * min(dist_atten*4.0, 1.0);
-		sa *= noise;
-		col += da*sa*lcol*spec.rgb;
-	}*/
-	
 	//attenuate point light contribution by SSAO component
 	col *= texture2DRect(lightMap, frag.xy).g;
 	
-- 
cgit v1.2.3


From 73c98e1c1e3899aaae1de6bac51f9e21ea6432a1 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Thu, 28 Jan 2010 18:01:12 -0800
Subject: enable basic directional lighting for basic/atmospheric shaders -
 yay.

next, needs the non-shader GL lighting model to be equally dumb (it's too smart - kill the spot angle.
---
 .../newview/app_settings/shaders/class2/lighting/sumLightsV.glsl  | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
index f4c59734a4..fd264b9e74 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
@@ -7,6 +7,7 @@
 
 float calcDirectionalLight(vec3 n, vec3 l);
 float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLight2(vec3 v, vec3 n, vec4 lp, vec3 ln, float la);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -18,9 +19,10 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += gl_LightSource[1].diffuse.rgb * calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
-	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLight(pos, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLight(pos, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLight(pos, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
+
+	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation);
+	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation);
+	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation);
 	col.rgb = scaleDownLight(col.rgb);
 
 	// Add windlight lights
-- 
cgit v1.2.3


From bc0a9fd5fe0675d7327ee182ff4ac20c39e76305 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Thu, 28 Jan 2010 21:48:22 -0800
Subject: getting closer to point/spot interchangability

---
 indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
index fd264b9e74..e5bf76db55 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
@@ -20,9 +20,9 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += gl_LightSource[1].diffuse.rgb * calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 
-	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation);
-	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation);
+	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
 	col.rgb = scaleDownLight(col.rgb);
 
 	// Add windlight lights
-- 
cgit v1.2.3


From fcaca49a9496154419a8f44c17cba16b028d3518 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Thu, 28 Jan 2010 23:58:50 -0800
Subject: cheap no-branch goodness for rendering both spotlights and
 pointlights with the same shader code.

kill already-nerfed quadratic attenuation which it seems we won't be supporting any decade soon.
---
 indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
index e5bf76db55..4577b4be55 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
@@ -7,7 +7,7 @@
 
 float calcDirectionalLight(vec3 n, vec3 l);
 float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
-float calcPointLight2(vec3 v, vec3 n, vec4 lp, vec3 ln, float la);
+float calcPointLight2(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_omnidirectional);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
-- 
cgit v1.2.3


From d0cf5b03f4fec29db367d8f1f387f2b0996f67e6 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 29 Jan 2010 00:22:13 -0800
Subject: spot-aware light func usage in ALL shaders.

---
 .../app_settings/shaders/class2/deferred/alphaV.glsl       | 14 +++++++-------
 .../app_settings/shaders/class2/deferred/avatarAlphaV.glsl | 14 +++++++-------
 .../app_settings/shaders/class2/lighting/sumLightsV.glsl   |  9 ++++-----
 3 files changed, 18 insertions(+), 19 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 5991e1f3b5..eec655e3df 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -9,7 +9,7 @@ vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
 void calcAtmospherics(vec3 inPositionEye);
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -50,12 +50,12 @@ void main()
 	col.rgb = scaleUpLight(col.rgb);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation);
- 	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation);
- 	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation);
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index a939499b17..488bd677e1 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -10,7 +10,7 @@ mat4 getSkinnedTransform();
 void calcAtmospherics(vec3 inPositionEye);
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -61,12 +61,12 @@ void main()
 	col.rgb = scaleUpLight(col.rgb);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].linearAttenuation);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].linearAttenuation);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].linearAttenuation);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].linearAttenuation);
- 	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].linearAttenuation);
- 	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].linearAttenuation);
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	
diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
index 4577b4be55..19800d96dc 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
@@ -6,8 +6,7 @@
  */
 
 float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLight(vec3 v, vec3 n, vec4 lp, float la);
-float calcPointLight2(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_omnidirectional);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
@@ -20,9 +19,9 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += gl_LightSource[1].diffuse.rgb * calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 
-	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
-	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLight2(pos, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
 	col.rgb = scaleDownLight(col.rgb);
 
 	// Add windlight lights
-- 
cgit v1.2.3


From 71b35bd63daecfe6ca60560a13f72990afae81ac Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 29 Jan 2010 00:31:39 -0800
Subject: Don't scale windlight lights up just to scale them down again later. 
 avoid this with rearrangement.

not tested.
---
 indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl | 10 ++++------
 .../app_settings/shaders/class2/deferred/avatarAlphaV.glsl     | 10 ++++------
 2 files changed, 8 insertions(+), 12 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index eec655e3df..05a32578c1 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -42,12 +42,7 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col;
-	col.a = gl_Color.a;
-	
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	col.rgb = scaleUpLight(col.rgb);
+	vec4 col(0.0, 0.0, 0.0, gl_Color.a);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
@@ -59,6 +54,9 @@ void main()
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
 	vary_light = gl_LightSource[0].position.xyz;
 	
 	vary_ambient = col.rgb*gl_Color.rgb;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index 488bd677e1..d63baeb913 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -53,12 +53,7 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col;
-	col.a = gl_Color.a;
-	
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	col.rgb = scaleUpLight(col.rgb);
+	vec4 col(0.0, 0.0, 0.0, gl_Color.a);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
@@ -70,6 +65,9 @@ void main()
 	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
 	vary_ambient = col.rgb*gl_Color.rgb;
 	vary_directional = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a)));
 	
-- 
cgit v1.2.3


From aaae230bb135b9e57edb12a7374c711fd7e4adb4 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 29 Jan 2010 01:45:13 -0800
Subject: fix a variety of shader errors, mostly due to my confusing glsl with
 C++... again

---
 indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl       | 2 +-
 indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 05a32578c1..1fae8c4da3 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -42,7 +42,7 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col(0.0, 0.0, 0.0, gl_Color.a);
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index d63baeb913..f8dd1b7431 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -53,7 +53,8 @@ void main()
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
-	vec4 col(0.0, 0.0, 0.0, gl_Color.a);
+
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
-- 
cgit v1.2.3


From 372212ae764a32bf667d3cb4cf5b99e6c6147b0f Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 5 Mar 2010 10:49:52 -0600
Subject: Fix for sun specular highlights showing up in shadow when diffuse
 ambiance greater than 0.

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 531f7376a3..249ac7ef9b 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -275,7 +275,7 @@ void main()
 	{
 		vec3 ref = normalize(reflect(pos.xyz, norm.xyz));
 		float sa = dot(ref, vary_light.xyz);
-		col.rgb += vary_SunlitColor*scol*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a;
+		col.rgb += vary_SunlitColor*scol_ambocc.r*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a;
 	}
 	
 	col = atmosLighting(col);
-- 
cgit v1.2.3


From 64797175a14785ac740ae27e647a5b0241700577 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Sun, 7 Mar 2010 11:34:31 +0000
Subject: Add a touch of fakey ripple to shadows on the surface of water, as if
 the water has depth.  Using 4th component of the normal map to encode a
 position displacement (along the normal) in the class2 shadow lookup.

---
 indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 74a948f584..50502dbdad 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -159,7 +159,9 @@ void main()
 	
 	vec4 pos = getPosition(pos_screen);
 	
-    vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0;
+	vec4 nmap4 = texture2DRect(normalMap, pos_screen);
+	float displace = nmap4.w;
+	vec3 norm = nmap4.xyz*2.0-1.0;
 	
 	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
 	{
@@ -168,9 +170,9 @@ void main()
 	}*/
 	
 	float shadow = 1.0;
-    float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
+	float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
 
-	vec4 spos = vec4(pos.xyz + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0);
+	vec4 spos = vec4(pos.xyz + displace*norm + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0);
 	
 	if (spos.z > -shadow_clip.w)
 	{	
-- 
cgit v1.2.3


From 0afe2491ab6a05bf62a2fce438dfdbbaf0b191df Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 17 Mar 2010 22:22:02 -0500
Subject: CTS-110 Remove soft alpha in deferred pipeline (breaks some content).
  Will revisit soft alpha in materials project.

---
 .../newview/app_settings/shaders/class2/deferred/alphaF.glsl  | 11 -----------
 1 file changed, 11 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index ad16de6d81..665fe16b43 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -29,8 +29,6 @@ varying vec3 vary_fragcoord;
 varying vec3 vary_position;
 varying vec3 vary_light;
 
-uniform float alpha_soften;
-
 uniform float shadow_bias;
 
 uniform mat4 inv_proj;
@@ -115,15 +113,6 @@ void main()
 
 	color.rgb = scaleSoftClip(color.rgb);
 
-	if (samp_pos.z != 0.0 && gl_Color.a < 1.0)
-	{
-		float dist_factor = alpha_soften;
-		float a = gl_Color.a;
-		a *= a;
-		dist_factor *= 1.0/(1.0-a);
-		color.a *= min((pos.z-samp_pos.z)*dist_factor, 1.0);
-	}
-	
 	//gl_FragColor = gl_Color;
 	gl_FragColor = color;
 	//gl_FragColor = vec4(1,0,1,1)*shadow;
-- 
cgit v1.2.3


From bbfacbd50d6e8beac36fd8de1dc51ceb109a4a7d Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 19 Mar 2010 18:14:17 -0500
Subject: RenderDeferredSSAO works as an independent setting -- decoupled
 shadows from SSAO.

---
 .../shaders/class2/deferred/multiSpotLightF.glsl   |  3 -
 .../shaders/class2/deferred/softenLightF.glsl      | 10 +---
 .../shaders/class2/deferred/spotLightF.glsl        |  4 --
 .../shaders/class2/deferred/sunLightF.glsl         | 64 +---------------------
 4 files changed, 4 insertions(+), 77 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 3e29c684e8..5308e5bb1e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -230,9 +230,6 @@ void main()
 		}
 	}
 	
-	//attenuate point light contribution by SSAO component
-	col *= texture2DRect(lightMap, frag.xy).g;
-	
 	gl_FragColor.rgb = col;	
 	gl_FragColor.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 249ac7ef9b..589a292751 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -11,6 +11,7 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect normalMap;
 uniform sampler2DRect lightMap;
+uniform sampler2DRect depthMap;
 uniform sampler2D	  noiseMap;
 uniform samplerCube environmentMap;
 uniform sampler2D	  lightFunc;
@@ -41,7 +42,6 @@ uniform vec3 env_mat[3];
 uniform vec4 shadow_clip;
 uniform mat3 ssao_effect_mat;
 
-uniform sampler2DRect depthMap;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
@@ -282,13 +282,5 @@ void main()
 	col = scaleSoftClip(col);
 		
 	gl_FragColor.rgb = col;
-	
-	//gl_FragColor.rgb = gi_col.rgb;
 	gl_FragColor.a = 0.0;
-	
-	//gl_FragColor.rg = scol_ambocc.rg;
-	//gl_FragColor.rgb = texture2DRect(lightMap, vary_fragcoord.xy).rgb;
-	//gl_FragColor.rgb = norm.rgb*0.5+0.5;
-	//gl_FragColor.rgb = vec3(ambocc);
-	//gl_FragColor.rgb = vec3(scol);
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index 6617e33c0d..eeaecc157f 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -179,10 +179,6 @@ void main()
 		}
 	}
 	
-	//attenuate point light contribution by SSAO component
-	col *= texture2DRect(lightMap, frag.xy).g;
-	
-
 	gl_FragColor.rgb = col;	
 	gl_FragColor.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 50502dbdad..04c9a4d19a 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -7,6 +7,8 @@
 
 #extension GL_ARB_texture_rectangle : enable
 
+//class 2, shadows, no SSAO
+
 uniform sampler2DRect depthMap;
 uniform sampler2DRect normalMap;
 uniform sampler2DRectShadow shadowMap0;
@@ -52,66 +54,6 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
-//calculate decreases in ambient lighting when crowded out (SSAO)
-float calcAmbientOcclusion(vec4 pos, vec3 norm)
-{
-	float ret = 1.0;
-	
-	float dist = dot(pos.xyz,pos.xyz);
-	
-	if (dist < 64.0*64.0)
-	{
-		vec2 kern[8];
-		// exponentially (^2) distant occlusion samples spread around origin
-		kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
-		kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
-		kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
-		kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
-		kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
-		kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
-		kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
-		kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
-
-		vec2 pos_screen = vary_fragcoord.xy;
-		vec3 pos_world = pos.xyz;
-		vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
-		
-		float angle_hidden = 0.0;
-		int points = 0;
-		
-		float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
-		
-		// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
-		for (int i = 0; i < 8; i++)
-		{
-			vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
-			vec3 samppos_world = getPosition(samppos_screen).xyz; 
-			
-			vec3 diff = pos_world - samppos_world;
-			float dist2 = dot(diff, diff);
-			
-			// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
-			// --> solid angle shrinking by the square of distance
-			//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
-			//(k should vary inversely with # of samples, but this is taken care of later)
-			
-			//if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0)  // -0.05*norm to shift sample point back slightly for flat surfaces
-			//	angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional.  max of 1.0 (= ssao_factor_inv * ssao_factor)
-			angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
-			
-			// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
-			points = points + int(diff.z > -1.0);
-		}
-		
-		angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
-		
-		ret = (1.0 - (float(points != 0) * angle_hidden));
-		ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0);
-	}
-	
-	return min(ret, 1.0);
-}
-
 float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 {
 	stc.xyz /= stc.w;
@@ -232,7 +174,7 @@ void main()
 	}
 	
 	gl_FragColor[0] = shadow;
-	gl_FragColor[1] = calcAmbientOcclusion(pos, norm);
+	gl_FragColor[1] = 1.0;
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-- 
cgit v1.2.3


From 8f9fae7815f24ca59e2a7e180b7baab3bc75e2e7 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Sat, 20 Mar 2010 14:15:13 -0500
Subject: SSAO version of sunLight shaders.

---
 .../shaders/class2/deferred/sunLightSSAOF.glsl     | 248 +++++++++++++++++++++
 1 file changed, 248 insertions(+)
 create mode 100644 indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
new file mode 100644
index 0000000000..d77d17942a
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
@@ -0,0 +1,248 @@
+/** 
+ * @file sunLightSSAOF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+//class 2 -- shadows and SSAO
+
+uniform sampler2DRect depthMap;
+uniform sampler2DRect normalMap;
+uniform sampler2DRectShadow shadowMap0;
+uniform sampler2DRectShadow shadowMap1;
+uniform sampler2DRectShadow shadowMap2;
+uniform sampler2DRectShadow shadowMap3;
+uniform sampler2DShadow shadowMap4;
+uniform sampler2DShadow shadowMap5;
+uniform sampler2D noiseMap;
+
+uniform sampler2D		lightFunc;
+
+// Inputs
+uniform mat4 shadow_matrix[6];
+uniform vec4 shadow_clip;
+uniform float ssao_radius;
+uniform float ssao_max_radius;
+uniform float ssao_factor;
+uniform float ssao_factor_inv;
+
+varying vec2 vary_fragcoord;
+varying vec4 vary_light;
+
+uniform mat4 inv_proj;
+uniform vec2 screen_res;
+uniform vec2 shadow_res;
+uniform vec2 proj_shadow_res;
+
+uniform float shadow_bias;
+uniform float shadow_offset;
+
+vec4 getPosition(vec2 pos_screen)
+{
+	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+	vec2 sc = pos_screen.xy*2.0;
+	sc /= screen_res;
+	sc -= vec2(1.0,1.0);
+	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
+	vec4 pos = inv_proj * ndc;
+	pos /= pos.w;
+	pos.w = 1.0;
+	return pos;
+}
+
+//calculate decreases in ambient lighting when crowded out (SSAO)
+float calcAmbientOcclusion(vec4 pos, vec3 norm)
+{
+	float ret = 1.0;
+	
+	float dist = dot(pos.xyz,pos.xyz);
+	
+	if (dist < 64.0*64.0)
+	{
+		vec2 kern[8];
+		// exponentially (^2) distant occlusion samples spread around origin
+		kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
+		kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
+		kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
+		kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
+		kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
+		kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
+		kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
+		kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
+
+		vec2 pos_screen = vary_fragcoord.xy;
+		vec3 pos_world = pos.xyz;
+		vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
+		
+		float angle_hidden = 0.0;
+		int points = 0;
+		
+		float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
+		
+		// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
+		for (int i = 0; i < 8; i++)
+		{
+			vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
+			vec3 samppos_world = getPosition(samppos_screen).xyz; 
+			
+			vec3 diff = pos_world - samppos_world;
+			float dist2 = dot(diff, diff);
+			
+			// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
+			// --> solid angle shrinking by the square of distance
+			//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
+			//(k should vary inversely with # of samples, but this is taken care of later)
+			
+			//if (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0)  // -0.05*norm to shift sample point back slightly for flat surfaces
+			//	angle_hidden += min(1.0/dist2, ssao_factor_inv); // dist != 0 follows from conditional.  max of 1.0 (= ssao_factor_inv * ssao_factor)
+			angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
+			
+			// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
+			points = points + int(diff.z > -1.0);
+		}
+		
+		angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
+		
+		ret = (1.0 - (float(points != 0) * angle_hidden));
+		ret += max((dist-32.0*32.0)/(32.0*32.0), 0.0);
+	}
+	
+	return min(ret, 1.0);
+}
+
+float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+{
+	stc.xyz /= stc.w;
+	stc.z += shadow_bias*scl;
+	
+	float cs = shadow2DRect(shadowMap, stc.xyz).x;
+	float shadow = cs;
+
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs);
+			
+	return shadow/5.0;
+	
+	//return shadow;
+}
+
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
+{
+	stc.xyz /= stc.w;
+	stc.z += shadow_bias*scl;
+	
+	float cs = shadow2D(shadowMap, stc.xyz).x;
+	float shadow = cs;
+
+	vec2 off = 1.5/proj_shadow_res;
+	
+	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)).x, cs);
+	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs);
+	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs);
+	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs);
+	
+			
+	return shadow/5.0;
+	
+	//return shadow;
+}
+
+void main() 
+{
+	vec2 pos_screen = vary_fragcoord.xy;
+	
+	//try doing an unproject here
+	
+	vec4 pos = getPosition(pos_screen);
+	
+	vec4 nmap4 = texture2DRect(normalMap, pos_screen);
+	float displace = nmap4.w;
+	vec3 norm = nmap4.xyz*2.0-1.0;
+	
+	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
+	{
+		gl_FragColor = vec4(0.0); // doesn't matter
+		return;
+	}*/
+	
+	float shadow = 1.0;
+	float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
+
+	vec4 spos = vec4(pos.xyz + displace*norm + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0);
+	
+	if (spos.z > -shadow_clip.w)
+	{	
+		if (dp_directional_light == 0.0)
+		{
+			// if we know this point is facing away from the sun then we know it's in shadow without having to do a squirrelly shadow-map lookup
+			shadow = 0.0;
+		}
+		else
+		{
+			vec4 lpos;
+			
+			if (spos.z < -shadow_clip.z)
+			{
+				lpos = shadow_matrix[3]*spos;
+				lpos.xy *= shadow_res;
+				shadow = pcfShadow(shadowMap3, lpos, 0.25);
+				shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
+			}
+			else if (spos.z < -shadow_clip.y)
+			{
+				lpos = shadow_matrix[2]*spos;
+				lpos.xy *= shadow_res;
+				shadow = pcfShadow(shadowMap2, lpos, 0.5);
+			}
+			else if (spos.z < -shadow_clip.x)
+			{
+				lpos = shadow_matrix[1]*spos;
+				lpos.xy *= shadow_res;
+				shadow = pcfShadow(shadowMap1, lpos, 0.75);
+			}
+			else
+			{
+				lpos = shadow_matrix[0]*spos;
+				lpos.xy *= shadow_res;
+				shadow = pcfShadow(shadowMap0, lpos, 1.0);
+			}
+		
+			// take the most-shadowed value out of these two:
+			//  * the blurred sun shadow in the light (shadow) map
+			//  * an unblurred dot product between the sun and this norm
+			// the goal is to err on the side of most-shadow to fill-in shadow holes and reduce artifacting
+			shadow = min(shadow, dp_directional_light);
+			
+			//lpos.xy /= lpos.w*32.0;
+			//if (fract(lpos.x) < 0.1 || fract(lpos.y) < 0.1)
+			//{
+			//	shadow = 0.0;
+			//}
+			
+		}
+	}
+	else
+	{
+		// more distant than the shadow map covers
+		shadow = 1.0;
+	}
+	
+	gl_FragColor[0] = shadow;
+	gl_FragColor[1] = calcAmbientOcclusion(pos, norm);
+	
+	//spotlight shadow 1
+	vec4 lpos = shadow_matrix[4]*spos;
+	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8).x; 
+	
+	//spotlight shadow 2
+	lpos = shadow_matrix[5]*spos;
+	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8).x; 
+
+	//gl_FragColor.rgb = pos.xyz;
+	//gl_FragColor.b = shadow;
+}
-- 
cgit v1.2.3


From eb3206fb93187efdef3dce389862ed31be516963 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Mon, 22 Mar 2010 16:10:34 +0000
Subject: screen-space reflections mk4.  generally subtle.  very cheap.

---
 .../shaders/class2/deferred/softenLightF.glsl      | 48 ++++++++++++++++++----
 1 file changed, 40 insertions(+), 8 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 589a292751..c5530c5f59 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -55,9 +55,8 @@ vec3 vary_AmblitColor;
 vec3 vary_AdditiveColor;
 vec3 vary_AtmosAttenuation;
 
-vec4 getPosition(vec2 pos_screen)
-{ //get position in screen space (world units) given window coordinate and depth map
-	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+vec4 getPosition_d(vec2 pos_screen, float depth)
+{
 	vec2 sc = pos_screen.xy*2.0;
 	sc /= screen_res;
 	sc -= vec2(1.0,1.0);
@@ -68,6 +67,12 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
+vec4 getPosition(vec2 pos_screen)
+{ //get position in screen space (world units) given window coordinate and depth map
+	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+	return getPosition_d(pos_screen, depth);
+}
+
 vec3 getPositionEye()
 {
 	return vary_PositionEye;
@@ -251,7 +256,8 @@ vec3 scaleSoftClip(vec3 light)
 void main() 
 {
 	vec2 tc = vary_fragcoord.xy;
-	vec3 pos = getPosition(tc).xyz;
+	float depth = texture2DRect(depthMap, tc.xy).a;
+	vec3 pos = getPosition_d(tc, depth).xyz;
 	vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0;
 	//vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz;
 	
@@ -271,11 +277,37 @@ void main()
 	
 	col *= diffuse.rgb;
 	
-	if (spec.a > 0.0)
+	if (spec.a > 0.0) // specular reflection
 	{
-		vec3 ref = normalize(reflect(pos.xyz, norm.xyz));
-		float sa = dot(ref, vary_light.xyz);
-		col.rgb += vary_SunlitColor*scol_ambocc.r*spec.rgb*texture2D(lightFunc, vec2(sa, spec.a)).a;
+		// the old infinite-sky shiny reflection
+		//
+		vec3 refnorm = normalize(reflect(pos.xyz, norm.xyz));
+		float sa = dot(refnorm, vary_light.xyz);
+		vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a;
+
+		// screen-space cheap fakey reflection map
+		//
+		// first figure out where we'll make our 2D guess from
+		vec2 ref2d = tc.xy + (0.5 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
+		// get attributes from the 2D guess point
+		float refdepth = texture2DRect(depthMap, ref2d).a;
+		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
+		vec3 refcol = texture2DRect(diffuseRect, ref2d).rgb;
+		float refshad = texture2DRect(lightMap, ref2d).r;
+		vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0);
+		// figure out how appropriate our guess actually was
+		float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos)));
+		// darken reflections from points which face away from the reflected ray - our guess was a back-face
+		//refapprop *= step(dot(refnorm, refn), 0.0);
+		refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant
+		// get appropriate light strength for guess-point
+		float reflit = min(max(dot(refn, vary_light.xyz), 0.0), refshad);
+		// apply sun color to guess-point, dampen according to inappropriateness of guess
+		vec3 refprod = (vary_SunlitColor*reflit) * refcol.rgb * refapprop;
+		vec3 ssshiny = (refprod * spec.a);
+
+		// add the two types of shiny together
+		col += (ssshiny + dumbshiny) * spec.rgb;
 	}
 	
 	col = atmosLighting(col);
-- 
cgit v1.2.3


From 122308205b2958b27152b9dd5375554ef76dd084 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 26 Mar 2010 09:07:08 +0000
Subject: screen-space reflections: remember to unbias the value from the depth
 map.  don't use varying version of lightnorm for lighting the
 reflection-guess-point.

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index c5530c5f59..9305d77ddb 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -287,6 +287,7 @@ void main()
 
 		// screen-space cheap fakey reflection map
 		//
+		depth -= 0.5; // unbias depth
 		// first figure out where we'll make our 2D guess from
 		vec2 ref2d = tc.xy + (0.5 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
 		// get attributes from the 2D guess point
@@ -301,7 +302,7 @@ void main()
 		//refapprop *= step(dot(refnorm, refn), 0.0);
 		refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant
 		// get appropriate light strength for guess-point
-		float reflit = min(max(dot(refn, vary_light.xyz), 0.0), refshad);
+		float reflit = min(max(dot(refn, lightnorm.xyz), 0.0), refshad);
 		// apply sun color to guess-point, dampen according to inappropriateness of guess
 		vec3 refprod = (vary_SunlitColor*reflit) * refcol.rgb * refapprop;
 		vec3 ssshiny = (refprod * spec.a);
-- 
cgit v1.2.3


From 79d2c59112213151060b928a2528c481cfde09fe Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Sun, 28 Mar 2010 21:45:32 +0100
Subject: ss reflections: make the guess less far from the source.

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 9305d77ddb..78e4c179d7 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -289,7 +289,7 @@ void main()
 		//
 		depth -= 0.5; // unbias depth
 		// first figure out where we'll make our 2D guess from
-		vec2 ref2d = tc.xy + (0.5 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
+		vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
 		// get attributes from the 2D guess point
 		float refdepth = texture2DRect(depthMap, ref2d).a;
 		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
-- 
cgit v1.2.3


From ccd5b9e2f3f1139814a63d9db03c3671c249930c Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Mon, 29 Mar 2010 11:30:08 +0100
Subject: ss reflections tweakage: +		// Offset the guess source a
 little according to a trivial +		// checkerboard dither
 function and spec.a. +		// This is meant to be similar to sampling a
 blurred version +		// of the diffuse map.  LOD would be better in
 that regard. +		// The goal of the blur is to soften reflections in
 surfaces +		// with low shinyness, and also to disguise our
 lameness.

---
 .../app_settings/shaders/class2/deferred/softenLightF.glsl        | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 78e4c179d7..5769288a36 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -290,6 +290,14 @@ void main()
 		depth -= 0.5; // unbias depth
 		// first figure out where we'll make our 2D guess from
 		vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
+		// Offset the guess source a little according to a trivial
+		// checkerboard dither function and spec.a.
+		// This is meant to be similar to sampling a blurred version
+		// of the diffuse map.  LOD would be better in that regard.
+		// The goal of the blur is to soften reflections in surfaces
+		// with low shinyness, and also to disguise our lameness.
+		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
+		ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5);
 		// get attributes from the 2D guess point
 		float refdepth = texture2DRect(depthMap, ref2d).a;
 		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
-- 
cgit v1.2.3


From e3c49e617edf6dfe61389e3e90c28082e5b678ce Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Wed, 31 Mar 2010 18:27:50 +0100
Subject: debug ssreflection blur direction.  minor.

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 5769288a36..922a07c306 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -289,7 +289,7 @@ void main()
 		//
 		depth -= 0.5; // unbias depth
 		// first figure out where we'll make our 2D guess from
-		vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
+		vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
 		// Offset the guess source a little according to a trivial
 		// checkerboard dither function and spec.a.
 		// This is meant to be similar to sampling a blurred version
@@ -298,6 +298,7 @@ void main()
 		// with low shinyness, and also to disguise our lameness.
 		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
 		ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5);
+		ref2d += tc.xy; // use as offset from destination
 		// get attributes from the 2D guess point
 		float refdepth = texture2DRect(depthMap, ref2d).a;
 		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
-- 
cgit v1.2.3


From 33fd1e26beac37701301dfce3478a145720d73c9 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 2 Apr 2010 16:03:20 +0100
Subject: apply ssreflection changes to class2 and class3 too.

---
 .../app_settings/shaders/class2/deferred/softenLightF.glsl  | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 922a07c306..d6fbae7b22 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -281,12 +281,13 @@ void main()
 	{
 		// the old infinite-sky shiny reflection
 		//
-		vec3 refnorm = normalize(reflect(pos.xyz, norm.xyz));
-		float sa = dot(refnorm, vary_light.xyz);
+		vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
+		float sa = dot(refnormpersp, vary_light.xyz);
 		vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a;
 
 		// screen-space cheap fakey reflection map
 		//
+		vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz));
 		depth -= 0.5; // unbias depth
 		// first figure out where we'll make our 2D guess from
 		vec2 ref2d = (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth;
@@ -311,9 +312,13 @@ void main()
 		//refapprop *= step(dot(refnorm, refn), 0.0);
 		refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant
 		// get appropriate light strength for guess-point
-		float reflit = min(max(dot(refn, lightnorm.xyz), 0.0), refshad);
+		// reflect light direction to increase the illusion that
+		// these are reflections.
+		vec3 reflight = reflect(lightnorm.xyz, norm.xyz);
+		float reflit = max(dot(refn, reflight.xyz), 0.0);
 		// apply sun color to guess-point, dampen according to inappropriateness of guess
-		vec3 refprod = (vary_SunlitColor*reflit) * refcol.rgb * refapprop;
+		float refmod = min(refapprop, reflit);
+		vec3 refprod = vary_SunlitColor * refcol.rgb * refmod;
 		vec3 ssshiny = (refprod * spec.a);
 
 		// add the two types of shiny together
-- 
cgit v1.2.3


From a63c59be9e7df57143ddd04e44263c232f420a21 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 2 Apr 2010 16:09:31 +0100
Subject: ssreflection: restore the shadow factor I accidentally removed with
 the last update.

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index d6fbae7b22..00a6a9dcb5 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -315,7 +315,7 @@ void main()
 		// reflect light direction to increase the illusion that
 		// these are reflections.
 		vec3 reflight = reflect(lightnorm.xyz, norm.xyz);
-		float reflit = max(dot(refn, reflight.xyz), 0.0);
+		float reflit = min(max(dot(refn, reflight.xyz), 0.0), refshad);
 		// apply sun color to guess-point, dampen according to inappropriateness of guess
 		float refmod = min(refapprop, reflit);
 		vec3 refprod = vary_SunlitColor * refcol.rgb * refmod;
-- 
cgit v1.2.3


From e07937ced233513bcae55b2365f9ba5a15108faa Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Wed, 7 Apr 2010 10:31:56 +0100
Subject: apply latest ssreflections tweaks to class2 and class3.

---
 .../app_settings/shaders/class2/deferred/softenLightF.glsl  | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 00a6a9dcb5..dbccb7fb8b 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -298,12 +298,19 @@ void main()
 		// The goal of the blur is to soften reflections in surfaces
 		// with low shinyness, and also to disguise our lameness.
 		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
-		ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5);
+		vec2 checkoffset = normalize(ref2d)*5.0*(1.0-spec.a)*(checkerboard-0.5);
+		ref2d += checkoffset;
 		ref2d += tc.xy; // use as offset from destination
-		// get attributes from the 2D guess point
+		// Get attributes from the 2D guess point.
+		// We average two samples of diffuse (not of anything else) per
+		// pixel to try to reduce aliasing some more.
+		// ---------------------
+		//     ^   ^ ^ ^   ^
+		//     a . b o c . d    check=0:avg(a,b) check=1:avg(c,d)
+		vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d).rgb +
+				     texture2DRect(diffuseRect, ref2d + checkoffset*2.0).rgb);
 		float refdepth = texture2DRect(depthMap, ref2d).a;
 		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
-		vec3 refcol = texture2DRect(diffuseRect, ref2d).rgb;
 		float refshad = texture2DRect(lightMap, ref2d).r;
 		vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0);
 		// figure out how appropriate our guess actually was
-- 
cgit v1.2.3


From 70aa3cf12405eb7c0deaedce4dd2ced81ca3e0c8 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 7 Apr 2010 12:41:44 -0500
Subject: Shadow aliasing fix WIP

---
 .../shaders/class2/deferred/sunLightF.glsl         | 32 ++++++++++++++++++++--
 1 file changed, 29 insertions(+), 3 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 04c9a4d19a..4974bbef9e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -41,6 +41,9 @@ uniform vec2 proj_shadow_res;
 uniform float shadow_bias;
 uniform float shadow_offset;
 
+uniform float spot_shadow_bias;
+uniform float spot_shadow_offset;
+
 vec4 getPosition(vec2 pos_screen)
 {
 	float depth = texture2DRect(depthMap, pos_screen.xy).a;
@@ -72,6 +75,24 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 	//return shadow;
 }
 
+float pcfSpotShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+{
+	stc.xyz /= stc.w;
+	stc.z += spot_shadow_bias*scl;
+	
+	float cs = shadow2DRect(shadowMap, stc.xyz).x;
+	float shadow = cs;
+
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs);
+	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs);
+			
+	return shadow/5.0;
+	
+	//return shadow;
+}
+
 float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 {
 	stc.xyz /= stc.w;
@@ -114,7 +135,10 @@ void main()
 	float shadow = 1.0;
 	float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
 
-	vec4 spos = vec4(pos.xyz + displace*norm + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0);
+	vec3 shadow_pos = pos.xyz + displace*norm;
+	vec3 offset = vary_light.xyz * (1.0-dp_directional_light);
+	
+	vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0);
 	
 	if (spos.z > -shadow_clip.w)
 	{	
@@ -176,13 +200,15 @@ void main()
 	gl_FragColor[0] = shadow;
 	gl_FragColor[1] = 1.0;
 	
+	spos.xyz = shadow_pos*offset*spot_shadow_offset;
+	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8).x; 
+	gl_FragColor[2] = pcfSpotShadow(shadowMap4, lpos, 0.8).x; 
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8).x; 
+	gl_FragColor[3] = pcfSpotShadow(shadowMap5, lpos, 0.8).x; 
 
 	//gl_FragColor.rgb = pos.xyz;
 	//gl_FragColor.b = shadow;
-- 
cgit v1.2.3


From b13af3b8baa05d20ae9f33046f100596182f6be0 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 9 Apr 2010 01:42:50 -0500
Subject: Tweak bias on projectors.  Fix some silly shader mistakes.

---
 .../shaders/class2/deferred/sunLightF.glsl         | 29 ++++------------------
 .../shaders/class2/deferred/sunLightSSAOF.glsl     | 16 +++++++++---
 2 files changed, 17 insertions(+), 28 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 4974bbef9e..46db3c990c 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -75,28 +75,10 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 	//return shadow;
 }
 
-float pcfSpotShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
-{
-	stc.xyz /= stc.w;
-	stc.z += spot_shadow_bias*scl;
-	
-	float cs = shadow2DRect(shadowMap, stc.xyz).x;
-	float shadow = cs;
-
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs);
-			
-	return shadow/5.0;
-	
-	//return shadow;
-}
-
 float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 {
 	stc.xyz /= stc.w;
-	stc.z += shadow_bias*scl;
+	stc.z += spot_shadow_bias*scl;
 	
 	float cs = shadow2D(shadowMap, stc.xyz).x;
 	float shadow = cs;
@@ -107,8 +89,7 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs);
 	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs);
 	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs);
-	
-			
+				
 	return shadow/5.0;
 	
 	//return shadow;
@@ -200,15 +181,15 @@ void main()
 	gl_FragColor[0] = shadow;
 	gl_FragColor[1] = 1.0;
 	
-	spos.xyz = shadow_pos*offset*spot_shadow_offset;
+	spos.xyz = shadow_pos+offset*spot_shadow_offset;
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	gl_FragColor[2] = pcfSpotShadow(shadowMap4, lpos, 0.8).x; 
+	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8); 
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	gl_FragColor[3] = pcfSpotShadow(shadowMap5, lpos, 0.8).x; 
+	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8); 
 
 	//gl_FragColor.rgb = pos.xyz;
 	//gl_FragColor.b = shadow;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
index d77d17942a..a0dfc96f14 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
@@ -40,6 +40,9 @@ uniform vec2 proj_shadow_res;
 uniform float shadow_bias;
 uniform float shadow_offset;
 
+uniform float spot_shadow_bias;
+uniform float spot_shadow_offset;
+
 vec4 getPosition(vec2 pos_screen)
 {
 	float depth = texture2DRect(depthMap, pos_screen.xy).a;
@@ -134,7 +137,7 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 {
 	stc.xyz /= stc.w;
-	stc.z += shadow_bias*scl;
+	stc.z += spot_shadow_bias*scl;
 	
 	float cs = shadow2D(shadowMap, stc.xyz).x;
 	float shadow = cs;
@@ -173,7 +176,10 @@ void main()
 	float shadow = 1.0;
 	float dp_directional_light = max(0.0, dot(norm, vary_light.xyz));
 
-	vec4 spos = vec4(pos.xyz + displace*norm + vary_light.xyz * (1.0-dp_directional_light)*shadow_offset, 1.0);
+	vec3 shadow_pos = pos.xyz + displace*norm;
+	vec3 offset = vary_light.xyz * (1.0-dp_directional_light);
+	
+	vec4 spos = vec4(shadow_pos+offset*shadow_offset, 1.0);
 	
 	if (spos.z > -shadow_clip.w)
 	{	
@@ -235,13 +241,15 @@ void main()
 	gl_FragColor[0] = shadow;
 	gl_FragColor[1] = calcAmbientOcclusion(pos, norm);
 	
+	spos.xyz = shadow_pos+offset*spot_shadow_offset;
+	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8).x; 
+	gl_FragColor[2] = pcfShadow(shadowMap4, lpos, 0.8); 
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8).x; 
+	gl_FragColor[3] = pcfShadow(shadowMap5, lpos, 0.8); 
 
 	//gl_FragColor.rgb = pos.xyz;
 	//gl_FragColor.b = shadow;
-- 
cgit v1.2.3


From 14f3b77b9c4103f324d24625bd30dd106ab1817f Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 16 Apr 2010 12:19:30 +0100
Subject: strengthen the fakey blur in the fakey ssreflections. (transplanted
 from 940e02cbe4fa2f996d11500392e71f3a00e1cfed)

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index dbccb7fb8b..1fd54b5607 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -298,7 +298,7 @@ void main()
 		// The goal of the blur is to soften reflections in surfaces
 		// with low shinyness, and also to disguise our lameness.
 		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
-		vec2 checkoffset = normalize(ref2d)*5.0*(1.0-spec.a)*(checkerboard-0.5);
+		vec2 checkoffset = normalize(ref2d)*9.0*(1.0-spec.a)*(checkerboard-0.5);
 		ref2d += checkoffset;
 		ref2d += tc.xy; // use as offset from destination
 		// Get attributes from the 2D guess point.
-- 
cgit v1.2.3


From e188693f126455ac1e74fbab42ddc76b63bc167b Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Wed, 21 Apr 2010 14:27:54 +0100
Subject: port class1 ssreflections tweaks to class2 and class3 (transplanted
 from 19036fc277d88c364e957019a66b4cdf4cce8b53)

---
 .../app_settings/shaders/class2/deferred/softenLightF.glsl    | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 1fd54b5607..2982cd3e09 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -298,17 +298,14 @@ void main()
 		// The goal of the blur is to soften reflections in surfaces
 		// with low shinyness, and also to disguise our lameness.
 		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
-		vec2 checkoffset = normalize(ref2d)*9.0*(1.0-spec.a)*(checkerboard-0.5);
-		ref2d += checkoffset;
+		float checkoffset = 1.0 + (7.0*(1.0-spec.a))*(checkerboard-0.5);
+		ref2d += vec2(checkoffset, checkoffset);
 		ref2d += tc.xy; // use as offset from destination
 		// Get attributes from the 2D guess point.
 		// We average two samples of diffuse (not of anything else) per
 		// pixel to try to reduce aliasing some more.
-		// ---------------------
-		//     ^   ^ ^ ^   ^
-		//     a . b o c . d    check=0:avg(a,b) check=1:avg(c,d)
-		vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d).rgb +
-				     texture2DRect(diffuseRect, ref2d + checkoffset*2.0).rgb);
+		vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d + vec2(0.0, -checkoffset)).rgb +
+				     texture2DRect(diffuseRect, ref2d + vec2(-checkoffset, 0.0)).rgb);
 		float refdepth = texture2DRect(depthMap, ref2d).a;
 		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
 		float refshad = texture2DRect(lightMap, ref2d).r;
-- 
cgit v1.2.3


From 12e0a745dd97b7bd5a10ee01dec3e5d3055b515c Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Thu, 22 Apr 2010 21:33:10 +0100
Subject: ssreflections: dampen/blur ssreflections rather more.

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 2982cd3e09..28cfc6322e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -298,7 +298,7 @@ void main()
 		// The goal of the blur is to soften reflections in surfaces
 		// with low shinyness, and also to disguise our lameness.
 		float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0
-		float checkoffset = 1.0 + (7.0*(1.0-spec.a))*(checkerboard-0.5);
+		float checkoffset = (3.0 + (7.0*(1.0-spec.a)))*(checkerboard-0.5);
 		ref2d += vec2(checkoffset, checkoffset);
 		ref2d += tc.xy; // use as offset from destination
 		// Get attributes from the 2D guess point.
@@ -324,6 +324,7 @@ void main()
 		float refmod = min(refapprop, reflit);
 		vec3 refprod = vary_SunlitColor * refcol.rgb * refmod;
 		vec3 ssshiny = (refprod * spec.a);
+		ssshiny *= 0.3; // dampen it even more
 
 		// add the two types of shiny together
 		col += (ssshiny + dumbshiny) * spec.rgb;
-- 
cgit v1.2.3


From f972cc4be952abc943f9d289533c9951ce4dc839 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 23 Apr 2010 13:37:03 +0100
Subject: Restore a bit of the non-deferred renderer's sun/moon waterglow in
 deferred rendering.  This also adds a slight pinch of glow to shiny
 sun-spots.  So be it. (transplanted from
 5a0d9e5b5cfb2ecd96685f0275ab8e999ab86263)

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 28cfc6322e..67ef3d5280 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -269,6 +269,7 @@ void main()
 	vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
 	float scol = max(scol_ambocc.r, diffuse.a); 
 	float ambocc = scol_ambocc.g;
+	float glowresult = 0.0;
 	
 	calcAtmospherics(pos.xyz, ambocc);
 	
@@ -284,6 +285,7 @@ void main()
 		vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 		float sa = dot(refnormpersp, vary_light.xyz);
 		vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a;
+		glowresult = 0.08 * dot(dumbshiny.rgb, spec.rgb);
 
 		// screen-space cheap fakey reflection map
 		//
@@ -334,5 +336,5 @@ void main()
 	col = scaleSoftClip(col);
 		
 	gl_FragColor.rgb = col;
-	gl_FragColor.a = 0.0;
+	gl_FragColor.a = glowresult;
 }
-- 
cgit v1.2.3


From f313196363085de2eb8f3a4fd33abeb5617204c4 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Fri, 23 Apr 2010 17:35:32 +0100
Subject: Backed out changeset 90f0ce75b2d7

---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 67ef3d5280..28cfc6322e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -269,7 +269,6 @@ void main()
 	vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
 	float scol = max(scol_ambocc.r, diffuse.a); 
 	float ambocc = scol_ambocc.g;
-	float glowresult = 0.0;
 	
 	calcAtmospherics(pos.xyz, ambocc);
 	
@@ -285,7 +284,6 @@ void main()
 		vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 		float sa = dot(refnormpersp, vary_light.xyz);
 		vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a;
-		glowresult = 0.08 * dot(dumbshiny.rgb, spec.rgb);
 
 		// screen-space cheap fakey reflection map
 		//
@@ -336,5 +334,5 @@ void main()
 	col = scaleSoftClip(col);
 		
 	gl_FragColor.rgb = col;
-	gl_FragColor.a = glowresult;
+	gl_FragColor.a = 0.0;
 }
-- 
cgit v1.2.3


From eb283701afc7ecbe3009a9fb75be1dcb222a383b Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Tue, 4 May 2010 00:45:28 -0500
Subject: Deferred pipeline integration of rigged attachments and cleanup.

---
 indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index 665fe16b43..fa6b4e2afb 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -115,7 +115,7 @@ void main()
 
 	//gl_FragColor = gl_Color;
 	gl_FragColor = color;
-	//gl_FragColor = vec4(1,0,1,1)*shadow;
+	//gl_FragColor = vec4(1,shadow,1,1);
 	
 }
 
-- 
cgit v1.2.3


From 33c4d124ce60b2999efb73fc17dc996cb3c2a103 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Thu, 6 May 2010 13:53:52 +0100
Subject: EXT-6912 FIXED Deferred Rendering - shiny objects look like a
 projection instead of a reflection

Disable screen-space shiny while I chew on it some more.
(transplanted from bde80560117295f6b3e61f9b47f3bdea826945ca)
---
 indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 28cfc6322e..bc84720b86 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -285,6 +285,7 @@ void main()
 		float sa = dot(refnormpersp, vary_light.xyz);
 		vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*texture2D(lightFunc, vec2(sa, spec.a)).a;
 
+		/*
 		// screen-space cheap fakey reflection map
 		//
 		vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz));
@@ -325,6 +326,8 @@ void main()
 		vec3 refprod = vary_SunlitColor * refcol.rgb * refmod;
 		vec3 ssshiny = (refprod * spec.a);
 		ssshiny *= 0.3; // dampen it even more
+		*/
+		vec3 ssshiny = vec3(0,0,0);
 
 		// add the two types of shiny together
 		col += (ssshiny + dumbshiny) * spec.rgb;
-- 
cgit v1.2.3


From 49579bebdd274a88c2381c4cab3d09ecd393564d Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Mon, 10 May 2010 13:00:36 -0500
Subject: Fix for wierd triangle shadow bug and fix for ATI hating deferred
 rendering.

---
 indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index f8dd1b7431..de423ee22a 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -21,6 +21,7 @@ varying vec3 vary_position;
 varying vec3 vary_ambient;
 varying vec3 vary_directional;
 varying vec3 vary_normal;
+varying vec3 vary_fragcoord;
 
 uniform float near_clip;
 uniform float shadow_offset;
@@ -77,7 +78,7 @@ void main()
 	gl_FrontColor = col;
 
 	gl_FogFragCoord = pos.z;
-
+	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
 }
 
 
-- 
cgit v1.2.3


From 45aa68fde1fd8c89fa5e7766e1f50b14a577638f Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Tue, 11 May 2010 00:57:30 -0500
Subject: EXT-7225 Fix for busted projector shadows under certain settings.

---
 indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 46db3c990c..413835515a 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -77,6 +77,7 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 
 float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 {
+	stc.z += spot_shadow_offset;
 	stc.xyz /= stc.w;
 	stc.z += spot_shadow_bias*scl;
 	
@@ -181,7 +182,7 @@ void main()
 	gl_FragColor[0] = shadow;
 	gl_FragColor[1] = 1.0;
 	
-	spos.xyz = shadow_pos+offset*spot_shadow_offset;
+	spos = vec4(shadow_pos, 1.0);
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-- 
cgit v1.2.3


From 9950c22a5568b55ff896734185e0e1181a93fcf0 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 12 May 2010 03:59:01 -0500
Subject: Fix for fullbright bump not working in deferred render. Fix for
 shadow artifacts around split frusta. Tweak for shadow aliasing with
 projectors. Fix for crash on exit in mesh thread.

---
 indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 413835515a..794c4d2761 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -77,7 +77,6 @@ float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
 
 float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
 {
-	stc.z += spot_shadow_offset;
 	stc.xyz /= stc.w;
 	stc.z += spot_shadow_bias*scl;
 	
@@ -182,7 +181,7 @@ void main()
 	gl_FragColor[0] = shadow;
 	gl_FragColor[1] = 1.0;
 	
-	spos = vec4(shadow_pos, 1.0);
+	spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0);
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-- 
cgit v1.2.3


From 514186eee31c4bc44e7bc021bb9c526e4138cb07 Mon Sep 17 00:00:00 2001
From: Tofu Linden <tofu.linden@lindenlab.com>
Date: Sun, 9 May 2010 15:02:10 +0100
Subject: Rejig deferred normal-map packing a little, to double its accuracy
 for free. (transplanted from bf541483d9074c18c6d4f4bd19caf0de82013cbf)

---
 .../app_settings/shaders/class2/deferred/blurLightF.glsl      |  3 ++-
 indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl | 11 ++++++++---
 .../app_settings/shaders/class2/deferred/multiSpotLightF.glsl |  3 ++-
 .../app_settings/shaders/class2/deferred/softenLightF.glsl    |  7 +++++--
 .../app_settings/shaders/class2/deferred/spotLightF.glsl      |  3 ++-
 .../app_settings/shaders/class2/deferred/sunLightF.glsl       |  3 ++-
 .../app_settings/shaders/class2/deferred/sunLightSSAOF.glsl   |  3 ++-
 7 files changed, 23 insertions(+), 10 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
index 0fad5b4b50..d1c5d7cb19 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl
@@ -37,7 +37,8 @@ vec4 getPosition(vec2 pos_screen)
 
 void main() 
 {
-	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0;
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
 	vec3 pos = getPosition(vary_fragcoord.xy).xyz;
 	vec4 ccol = texture2DRect(lightMap, vary_fragcoord.xy).rgba;
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl b/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl
index 02beddd43b..e32e9f4b32 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/edgeF.glsl
@@ -31,7 +31,8 @@ float getDepth(vec2 pos_screen)
 
 void main() 
 {
-	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0;
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
 	float depth = getDepth(vary_fragcoord.xy);
 	
 	vec2 tc = vary_fragcoord.xy;
@@ -46,8 +47,12 @@ void main()
 	de = step(depth_cutoff, de);
 	
 	vec2 ne;
-	ne.x = dot(texture2DRect(normalMap, tc+vec2(-sc,-sc)).rgb*2.0-1.0, norm);
-	ne.y = dot(texture2DRect(normalMap, tc+vec2(sc,sc)).rgb*2.0-1.0, norm);
+	vec3 nexnorm = texture2DRect(normalMap, tc+vec2(-sc,-sc)).rgb;
+	nexnorm = vec3((nexnorm.xy-0.5)*2.0,nexnorm.z); // unpack norm
+	ne.x = dot(nexnorm, norm);
+	vec3 neynorm = texture2DRect(normalMap, tc+vec2(sc,sc)).rgb;
+	neynorm = vec3((neynorm.xy-0.5)*2.0,neynorm.z); // unpack norm
+	ne.y = dot(neynorm, norm);
 	
 	ne = 1.0-ne;
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 5308e5bb1e..22ffb58c63 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -129,7 +129,8 @@ void main()
 		shadow = min(sh[proj_shadow_idx]+shadow_fade, 1.0);
 	}
 	
-	vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0;
+	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
 	
 	norm = normalize(norm);
 	float l_dist = -dot(lv, proj_n);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index bc84720b86..fd6ae2b960 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -258,7 +258,8 @@ void main()
 	vec2 tc = vary_fragcoord.xy;
 	float depth = texture2DRect(depthMap, tc.xy).a;
 	vec3 pos = getPosition_d(tc, depth).xyz;
-	vec3 norm = texture2DRect(normalMap, tc).xyz*2.0-1.0;
+	vec3 norm = texture2DRect(normalMap, tc).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
 	//vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0).xyz;
 	
 	float da = max(dot(norm.xyz, vary_light.xyz), 0.0);
@@ -310,7 +311,9 @@ void main()
 		float refdepth = texture2DRect(depthMap, ref2d).a;
 		vec3 refpos = getPosition_d(ref2d, refdepth).xyz;
 		float refshad = texture2DRect(lightMap, ref2d).r;
-		vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0);
+		vec3 refn = texture2DRect(normalMap, ref2d).rgb;
+		refn = vec3((refn.xy-0.5)*2.0,refn.z); // unpack norm
+		refn = normalize(refn);
 		// figure out how appropriate our guess actually was
 		float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos)));
 		// darken reflections from points which face away from the reflected ray - our guess was a back-face
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index eeaecc157f..8a90199b7c 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -82,7 +82,8 @@ void main()
 		discard;
 	}
 	
-	vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0;
+	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
 	
 	norm = normalize(norm);
 	float l_dist = -dot(lv, proj_n);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 794c4d2761..7423347346 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -104,8 +104,9 @@ void main()
 	vec4 pos = getPosition(pos_screen);
 	
 	vec4 nmap4 = texture2DRect(normalMap, pos_screen);
+	nmap4 = vec4((nmap4.xy-0.5)*2.0,nmap4.z,nmap4.w); // unpack norm
 	float displace = nmap4.w;
-	vec3 norm = nmap4.xyz*2.0-1.0;
+	vec3 norm = nmap4.xyz;
 	
 	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
 	{
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
index a0dfc96f14..4e33a1af45 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
@@ -164,8 +164,9 @@ void main()
 	vec4 pos = getPosition(pos_screen);
 	
 	vec4 nmap4 = texture2DRect(normalMap, pos_screen);
+	nmap4 = vec4((nmap4.xy-0.5)*2.0,nmap4.z,nmap4.w); // unpack norm
 	float displace = nmap4.w;
-	vec3 norm = nmap4.xyz*2.0-1.0;
+	vec3 norm = nmap4.xyz;
 	
 	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
 	{
-- 
cgit v1.2.3


From 71de5f622a7917f78823a7e7840194e1b0f8f070 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Thu, 26 Aug 2010 14:23:12 -0500
Subject: Add missing files from viewer-experimental

---
 .../shaders/class2/deferred/alphaSkinnedV.glsl     | 84 ++++++++++++++++++++++
 .../lighting/lightFullbrightShinyWaterF.glsl       | 29 ++++++++
 2 files changed, 113 insertions(+)
 create mode 100644 indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
 create mode 100644 indra/newview/app_settings/shaders/class2/lighting/lightFullbrightShinyWaterF.glsl

(limited to 'indra/newview/app_settings/shaders/class2')

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
new file mode 100644
index 0000000000..dc4663677b
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
@@ -0,0 +1,84 @@
+/** 
+ * @file alphaSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
+void calcAtmospherics(vec3 inPositionEye);
+
+float calcDirectionalLight(vec3 n, vec3 l);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+mat4 getObjectSkinnedTransform();
+vec3 atmosAmbient(vec3 light);
+vec3 atmosAffectDirectionalLight(float lightIntensity);
+vec3 scaleDownLight(vec3 light);
+vec3 scaleUpLight(vec3 light);
+
+varying vec3 vary_ambient;
+varying vec3 vary_directional;
+varying vec3 vary_fragcoord;
+varying vec3 vary_position;
+varying vec3 vary_light;
+
+uniform float near_clip;
+uniform float shadow_offset;
+uniform float shadow_bias;
+
+void main()
+{
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	gl_Position = gl_ProjectionMatrix * vec4(pos, 1.0);
+	
+	vec4 n = gl_Vertex;
+	n.xyz += gl_Normal.xyz;
+	n.xyz = (mat*n).xyz;
+	n.xyz = normalize(n.xyz-pos.xyz);
+	
+	vec3 norm = n.xyz;
+	
+	float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz));
+	vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset;
+			
+	calcAtmospherics(pos.xyz);
+
+	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
+
+	// Collect normal lights (need to be divided by two, as we later multiply by 2)
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
+	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	col.rgb = scaleDownLight(col.rgb);
+	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
+	vary_light = gl_LightSource[0].position.xyz;
+	
+	vary_ambient = col.rgb*gl_Color.rgb;
+	vary_directional.rgb = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a)));
+	
+	col.rgb = min(col.rgb*gl_Color.rgb, 1.0);
+	
+	gl_FrontColor = col;
+
+	gl_FogFragCoord = pos.z;
+	
+	pos.xyz = (gl_ModelViewProjectionMatrix * gl_Vertex).xyz;
+	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
+	
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/lighting/lightFullbrightShinyWaterF.glsl b/indra/newview/app_settings/shaders/class2/lighting/lightFullbrightShinyWaterF.glsl
new file mode 100644
index 0000000000..eca9a567f6
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/lighting/lightFullbrightShinyWaterF.glsl
@@ -0,0 +1,29 @@
+/** 
+ * @file lightFullbrightShinyWaterF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+uniform sampler2D diffuseMap;
+uniform samplerCube environmentMap;
+
+vec3 fullbrightShinyAtmosTransport(vec3 light);
+vec3 fullbrightScaleSoftClip(vec3 light);
+vec4 applyWaterFog(vec4 color);
+
+void fullbright_shiny_lighting_water()
+{
+	vec4 color = texture2D(diffuseMap, gl_TexCoord[0].xy);
+	color.rgb *= gl_Color.rgb;
+	
+	vec3 envColor = textureCube(environmentMap, gl_TexCoord[1].xyz).rgb;	
+	color.rgb = mix(color.rgb, envColor.rgb, gl_Color.a);
+
+	color.rgb = fullbrightShinyAtmosTransport(color.rgb);
+	color.rgb = fullbrightScaleSoftClip(color.rgb);
+	color.a = max(color.a, gl_Color.a);
+
+	gl_FragColor = applyWaterFog(color);
+}
+
-- 
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