From f67087b87277dc63096fbf4c42cdc17f84d3fbb8 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 20 Feb 2013 19:30:46 -0600
Subject: MAINT-2370 Add debug setting "RenderAutoMuteRenderCostLimit" that
 automatically visually mutes avatars above a certain threshold (adjusted by
 Avatar Mesh Detail Slider)

---
 indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'indra/newview/app_settings/shaders/class1/deferred')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
index bfd9b9b3eb..29a6d842d2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
@@ -31,6 +31,8 @@ out vec4 frag_data[3];
 
 uniform sampler2D diffuseMap;
 
+uniform float minimum_alpha;
+
 VARYING vec3 vary_normal;
 VARYING vec2 vary_texcoord0;
 
@@ -38,7 +40,7 @@ void main()
 {
 	vec4 diff = texture2D(diffuseMap, vary_texcoord0.xy);
 	
-	if (diff.a < 0.2)
+	if (diff.a < minimum_alpha)
 	{
 		discard;
 	}
-- 
cgit v1.2.3


From 609ed855e1160505238378a1be49e2b92e8496f5 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Mon, 4 Mar 2013 18:01:42 -0600
Subject: MAINT-2371 More optimizations.

Reviewed by Graham
---
 .../app_settings/shaders/class1/deferred/giF.glsl  | 190 ---------------------
 .../shaders/class1/deferred/waterF.glsl            |   6 +-
 2 files changed, 2 insertions(+), 194 deletions(-)
 delete mode 100644 indra/newview/app_settings/shaders/class1/deferred/giF.glsl

(limited to 'indra/newview/app_settings/shaders/class1/deferred')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
deleted file mode 100644
index da1b234240..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
+++ /dev/null
@@ -1,190 +0,0 @@
-/** 
- * @file giF.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
- 
-#extension GL_ARB_texture_rectangle : enable
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform sampler2DRect depthMap;
-uniform sampler2DRect normalMap;
-uniform sampler2D noiseMap;
-
-uniform sampler2D		diffuseGIMap;
-uniform sampler2D		normalGIMap;
-uniform sampler2D		depthGIMap;
-
-uniform sampler2D		lightFunc;
-
-// Inputs
-VARYING vec2 vary_fragcoord;
-
-uniform vec2 screen_res;
-
-uniform mat4 inv_proj;
-uniform mat4 gi_mat;  //gPipeline.mGIMatrix - eye space to sun space
-uniform mat4 gi_mat_proj; //gPipeline.mGIMatrixProj - eye space to projected sun space
-uniform mat4 gi_norm_mat; //gPipeline.mGINormalMatrix - eye space normal to sun space normal matrix
-uniform mat4 gi_inv_proj; //gPipeline.mGIInvProj - projected sun space to sun space
-uniform float gi_radius;
-uniform float gi_intensity;
-uniform int gi_samples;
-uniform vec2 gi_kern[25];
-uniform vec2 gi_scale;
-uniform vec3 gi_quad;
-uniform vec3 gi_spec;
-uniform float gi_direction_weight;
-uniform float gi_light_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;
-}
-
-vec4 getGIPosition(vec2 gi_tc)
-{
-	float depth = texture2D(depthGIMap, gi_tc).a;
-	vec2 sc = gi_tc*2.0;
-	sc -= vec2(1.0, 1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = gi_inv_proj*ndc;
-	pos.xyz /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
-
-vec3 giAmbient(vec3 pos, vec3 norm)
-{
-	vec4 gi_c = gi_mat_proj * vec4(pos, 1.0);
-	gi_c.xyz /= gi_c.w;
-
-	vec4 gi_pos = gi_mat*vec4(pos,1.0);
-	vec3 gi_norm = (gi_norm_mat*vec4(norm,1.0)).xyz;
-	gi_norm = normalize(gi_norm);
-	
-	vec2 tcx = gi_norm.xy;
-	vec2 tcy = gi_norm.yx;
-	
-	vec4 eye_pos = gi_mat*vec4(0,0,0,1.0);
-	
-	vec3 eye_dir = normalize(gi_pos.xyz-eye_pos.xyz/eye_pos.w);
-	
-	//vec3 eye_dir = vec3(0,0,-1);
-	//eye_dir = (gi_norm_mat*vec4(eye_dir, 1.0)).xyz;
-	//eye_dir = normalize(eye_dir);
-	
-	//float round_x = gi_scale.x;
-	//float round_y = gi_scale.y;
-	
-	vec3 debug = texture2D(normalGIMap, gi_c.xy).rgb*0.5+0.5;
-	debug.xz = vec2(0.0,0.0);
-	//debug = fract(debug);
-	
-	float round_x = 1.0/64.0;
-	float round_y = 1.0/64.0;
-	
-	//gi_c.x = floor(gi_c.x/round_x+0.5)*round_x;
-	//gi_c.y = floor(gi_c.y/round_y+0.5)*round_y;
-	
-	float fda = 0.0;
-	vec3 fdiff = vec3(0,0,0);
-	
-	vec3 rcol = vec3(0,0,0);
-	
-	float fsa = 0.0;
-	
-	for (int i = -1; i < 2; i+=2 )
-	{
-		for (int j = -1; j < 2; j+=2)
-		{
-			vec2 tc = vec2(i, j)*0.75;
-			vec3 nz = texture2D(noiseMap, vary_fragcoord.xy/128.0+tc*0.5).xyz;
-			//tc += gi_norm.xy*nz.z;
-			tc += nz.xy*2.0;
-			tc /= gi_samples;
-			tc += gi_c.xy;
-			
-			vec3 lnorm = -normalize(texture2D(normalGIMap, tc.xy).xyz*2.0-1.0);
-			vec3 lpos = getGIPosition(tc.xy).xyz;
-							
-			vec3 at = lpos-gi_pos.xyz;
-			float dist = dot(at,at);
-			float da = clamp(1.0/(gi_spec.x*dist), 0.0, 1.0);
-			
-			if (da > 0.0)
-			{
-				//add angular attenuation
-				vec3 ldir = at;
-				float ang_atten = clamp(dot(ldir, gi_norm), 0.0, 1.0);
-			
-				float ld = -dot(ldir, lnorm);
-				
-				if (ang_atten > 0.0 && ld < 0.0)
-				{
-					vec3 diff = texture2D(diffuseGIMap, tc.xy).xyz;
-					da = da*ang_atten;
-					fda += da;
-					fdiff += diff*da;
-				}
-			}
-		}
-	}
-
-	fdiff /= max(gi_spec.y*fda, gi_quad.z);
-	fdiff = clamp(fdiff, vec3(0), vec3(1));
-	
-	vec3 ret = fda*fdiff;
-	//ret = ret*ret*gi_quad.x+ret*gi_quad.y+gi_quad.z;			
-
-	//fda *= nz.z;
-	
-	//rcol.rgb *= gi_intensity;
-	//return rcol.rgb+vary_AmblitColor.rgb*0.25;
-	//return vec4(debug, 0.0);
-	//return vec4(fda*fdiff, 0.0);
-	return clamp(ret,vec3(0.0), vec3(1.0));
-	//return debug.xyz;
-}
-
-void main() 
-{
-	vec2 pos_screen = vary_fragcoord.xy;
-	vec4 pos = getPosition(pos_screen);
-	vec3 norm = texture2DRect(normalMap, pos_screen).xyz;
-	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
-	
-	frag_color.xyz = giAmbient(pos, norm);
-}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index 3427d6db57..1149aec30b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -53,13 +53,11 @@ uniform vec3 specular;
 uniform float lightExp;
 uniform float refScale;
 uniform float kd;
-uniform vec2 screenRes;
 uniform vec3 normScale;
 uniform float fresnelScale;
 uniform float fresnelOffset;
 uniform float blurMultiplier;
-uniform vec2 screen_res;
-uniform mat4 norm_mat; //region space to screen space
+uniform mat3 normal_matrix;
 
 //bigWave is (refCoord.w, view.w);
 VARYING vec4 refCoord;
@@ -157,7 +155,7 @@ void main()
 
 	//wavef.z *= 0.1f;
 	//wavef = normalize(wavef);
-	vec3 screenspacewavef = (norm_mat*vec4(wavef, 1.0)).xyz;
+	vec3 screenspacewavef = normal_matrix*wavef;
 	
 	frag_data[0] = vec4(color.rgb, 0.5); // diffuse
 	frag_data[1] = vec4(0.5,0.5,0.5, 0.95); // speccolor*spec, spec
-- 
cgit v1.2.3


From 7df863265f6f536aeae84dceab9140fb4465213c Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 28 Jun 2013 13:32:01 -0500
Subject: NORSPEC-290 Shader optimization WIP -- remove a couple normalizes,
 pows, and divides from various lighting functions.

---
 .../shaders/class1/deferred/alphaF.glsl            |  51 ++++---
 .../shaders/class1/deferred/alphaNonIndexedF.glsl  | 150 --------------------
 .../class1/deferred/alphaNonIndexedNoColorF.glsl   |  92 -------------
 .../shaders/class1/deferred/alphaSkinnedV.glsl     | 136 ------------------
 .../shaders/class1/deferred/alphaV.glsl            |  37 +----
 .../class1/deferred/avatarAlphaNoColorV.glsl       |  10 +-
 .../shaders/class1/deferred/avatarAlphaV.glsl      | 153 ---------------------
 .../shaders/class1/deferred/materialF.glsl         |   8 +-
 8 files changed, 40 insertions(+), 597 deletions(-)
 delete mode 100755 indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedF.glsl
 delete mode 100755 indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedNoColorF.glsl
 delete mode 100755 indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
 delete mode 100755 indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl

(limited to 'indra/newview/app_settings/shaders/class1/deferred')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 143af0576c..af3f362208 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -61,6 +61,7 @@ VARYING vec3 vary_directional;
 VARYING vec3 vary_fragcoord;
 VARYING vec3 vary_position;
 VARYING vec3 vary_pointlight_col;
+VARYING vec3 vary_pointlight_col_linear;
 VARYING vec2 vary_texcoord0;
 VARYING vec3 vary_norm;
 
@@ -82,7 +83,7 @@ vec3 calcDirectionalLight(vec3 n, vec3 l)
 	return vec3(a,a,a);
 }
 
-vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
 	vec3 lv = lp.xyz-v;
@@ -92,14 +93,14 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float
 	
 	float da = 0.0;
 
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
+//	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv = normalize(lv);
+		lv /= d;
 	
 		//distance attenuation
-		float dist = d/la;
-		da = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
+		float dist = d*la;
+		da = clamp(1.0-(dist+fa-1.0)/fa, 0.0, 1.0);
 		da *= da;
 		da *= 2.0;
 	
@@ -112,7 +113,7 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float
 		da *= max(dot(n, lv), 0.0);		
 	}
 
-	return vec3(da,da,da);	
+	return da;	
 }
 
 #if HAS_SHADOW
@@ -138,6 +139,25 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
 
 void main() 
 {
+#ifdef USE_INDEXED_TEX
+	vec4 diff = diffuseLookup(vary_texcoord0.xy);
+#else
+	vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
+#endif
+
+#ifdef USE_VERTEX_COLOR
+	float vertex_color_alpha = vertex_color.a;	
+#else
+	float vertex_color_alpha = 1.0;
+#endif
+
+	float alpha = vertex_color_alpha*diff.a;
+
+	vec4 gamma_diff = diff;
+
+	diff.rgb = pow(diff.rgb, vec3(2.2f, 2.2f, 2.2f));
+
+
 	vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
 	frag *= screen_res;
 	
@@ -210,21 +230,6 @@ void main()
 	}
 #endif
 
-#ifdef USE_INDEXED_TEX
-	vec4 diff = diffuseLookup(vary_texcoord0.xy);
-#else
-	vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
-#endif
-	vec4 gamma_diff = diff;
-
-	diff.rgb = pow(diff.rgb, vec3(2.2f, 2.2f, 2.2f));
-
-#ifdef USE_VERTEX_COLOR
-	float vertex_color_alpha = vertex_color.a;	
-#else
-	float vertex_color_alpha = 1.0;
-#endif
-	
 	vec3 normal = vary_norm; 
 	
 	vec3 l = light_position[0].xyz;
@@ -243,6 +248,7 @@ void main()
 
 	color.rgb = scaleSoftClip(color.rgb);
 
+	//convert to linear space
 	color.rgb = pow(color.rgb, vec3(2.2));
 	col = vec4(0,0,0,0);
 
@@ -257,8 +263,9 @@ void main()
 	LIGHT_LOOP(6)
 	LIGHT_LOOP(7)
 
-	color.rgb += diff.rgb * pow(vary_pointlight_col, vec3(2.2)) * col.rgb;
+	color.rgb += diff.rgb * vary_pointlight_col_linear * col.rgb;
 
+	//convert to gamma space
 	color.rgb = pow(color.rgb, vec3(1.0/2.2));
 
 	frag_color = color;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedF.glsl
deleted file mode 100755
index 2ce44d599f..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedF.glsl
+++ /dev/null
@@ -1,150 +0,0 @@
-/** 
- * @file alphaF.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
- 
-#extension GL_ARB_texture_rectangle : enable
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform sampler2DRect depthMap;
-uniform sampler2D diffuseMap;
-
-
-uniform vec2 screen_res;
-
-vec3 atmosLighting(vec3 light);
-vec3 scaleSoftClip(vec3 light);
-
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_position;
-VARYING vec3 vary_pointlight_col;
-VARYING vec2 vary_texcoord0;
-VARYING vec4 vertex_color;
-VARYING vec3 vary_norm;
-
-uniform mat4 inv_proj;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
-vec3 calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = pow(max(dot(n,l),0.0), 0.7);
-        return vec3(a,a,a);
-}
-
-vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
-{
-	//get light vector
-	vec3 lv = lp.xyz-v;
-	
-	//get distance
-	float d = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// spotlight coefficient.
-		float spot = max(dot(-ln, lv), is_pointlight);
-		da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-		//angular attenuation
-		da *= max(pow(dot(n, lv), 0.7), 0.0);		
-	}
-
-	return vec3(da,da,da);	
-}
-
-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;
-}
-
-void main() 
-{
-	vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
-	frag *= screen_res;
-	
-	vec4 pos = vec4(vary_position, 1.0);
-	
-	vec4 diff= texture2D(diffuseMap,vary_texcoord0.xy);
-
-	vec3 n = vary_norm;
-	vec3 l = light_position[0].xyz;
-	vec3 dlight = calcDirectionalLight(n, l);
-	dlight = dlight * vary_directional.rgb * vary_pointlight_col;
-
-	vec4 col = vec4(vary_ambient + dlight, vertex_color.a);
-	vec4 color = diff * col;
-	
-	color.rgb = atmosLighting(color.rgb);
-
-	color.rgb = scaleSoftClip(color.rgb);
-	vec3 light_col = vec3(0,0,0);
-
-  #define LIGHT_LOOP(i) \
-	light_col += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, vary_norm, light_position[i], light_direction[i], light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z);
-
-	LIGHT_LOOP(1)
-	LIGHT_LOOP(2)
-	LIGHT_LOOP(3)
-	LIGHT_LOOP(4)
-	LIGHT_LOOP(5)
-	LIGHT_LOOP(6)
-	LIGHT_LOOP(7)
-
-	color.rgb += diff.rgb * vary_pointlight_col * light_col;
-
-	color.rgb = pow(color.rgb, vec3(1.0/2.2));
-
-	frag_color = color;
-	//frag_color = vec4(1,0,1,1);
-	//frag_color = vec4(1,0,1,1)*shadow;
-	
-}
-
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedNoColorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedNoColorF.glsl
deleted file mode 100755
index 1113a9845b..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedNoColorF.glsl
+++ /dev/null
@@ -1,92 +0,0 @@
-/** 
- * @file alphaNonIndexedNoColorF.glsl
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2005, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
- 
-#extension GL_ARB_texture_rectangle : enable
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform float minimum_alpha;
-
-uniform sampler2DRect depthMap;
-uniform sampler2D diffuseMap;
-
-uniform vec2 screen_res;
-
-vec3 atmosLighting(vec3 light);
-vec3 scaleSoftClip(vec3 light);
-
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_position;
-VARYING vec3 vary_pointlight_col;
-VARYING vec2 vary_texcoord0;
-
-uniform mat4 inv_proj;
-
-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;
-}
-
-void main() 
-{
-	vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
-	frag *= screen_res;
-	
-	vec4 pos = vec4(vary_position, 1.0);
-	
-	vec4 diff= texture2D(diffuseMap,vary_texcoord0.xy);
-
-	if (diff.a < minimum_alpha)
-	{
-		discard;
-	}
-
-	vec4 col = vec4(vary_ambient + vary_directional.rgb, 1.0);
-	vec4 color = diff * col;
-	
-	
-	color.rgb = atmosLighting(color.rgb);
-
-	color.rgb = scaleSoftClip(color.rgb);
-
-	color.rgb += diff.rgb * vary_pointlight_col.rgb;
-
-	frag_color = color;
-}
-
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
deleted file mode 100755
index 5f93986f1d..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
+++ /dev/null
@@ -1,136 +0,0 @@
-/** 
- * @file alphaSkinnedV.glsl
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-uniform mat4 projection_matrix;
-uniform mat4 modelview_matrix;
-
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec3 normal;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec2 texcoord0;
-
-mat4 getObjectSkinnedTransform();
-void calcAtmospherics(vec3 inPositionEye);
-
-float calcDirectionalLight(vec3 n, vec3 l);
-
-vec3 atmosAmbient(vec3 light);
-vec3 atmosAffectDirectionalLight(float lightIntensity);
-
-VARYING vec3 vary_position;
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_pointlight_col;
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-
-VARYING vec3 vary_norm;
-
-uniform float near_clip;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
-float calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = max(dot(n,l),0.0);
-        return a;
-}
-
-float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
-{
-	//get light vector
-	vec3 lv = lp.xyz-v;
-	
-	//get distance
-	float d = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// spotlight coefficient.
-		float spot = max(dot(-ln, lv), is_pointlight);
-		da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-		//angular attenuation
-		da *= max(dot(n, lv), 0.0);		
-	}
-
-	return da;	
-}
-
-void main()
-{
-	vary_texcoord0 = texcoord0;
-				
-	vec4 pos;
-	vec3 norm;
-	
-	mat4 trans = getObjectSkinnedTransform();
-	trans = modelview_matrix * trans;
-	
-	pos = trans * vec4(position.xyz, 1.0);
-	
-	norm = position.xyz + normal.xyz;
-	norm = normalize(( trans*vec4(norm, 1.0) ).xyz-pos.xyz);
-	vary_norm = norm;
-	vec4 frag_pos = projection_matrix * pos;
-	gl_Position = frag_pos;
-	
-	vary_position = pos.xyz;
-		
-	calcAtmospherics(pos.xyz);
-
-	//vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
-	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
-	vary_pointlight_col = diffuse_color.rgb;
-	col.rgb = vec3(0,0,0);
-
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	
-	vary_ambient = col.rgb*diffuse_color.rgb;
-	vary_directional.rgb = atmosAffectDirectionalLight(1);
-	
-	col.rgb = col.rgb*diffuse_color.rgb;
-	
-	vertex_color = col;
-
-	
-	
-	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
-}
-
-
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 9d3ba564cd..cc63baa422 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -68,6 +68,7 @@ VARYING vec3 vary_directional;
 VARYING vec3 vary_fragcoord;
 VARYING vec3 vary_position;
 VARYING vec3 vary_pointlight_col;
+VARYING vec3 vary_pointlight_col_linear;
 
 #ifdef USE_VERTEX_COLOR
 VARYING vec4 vertex_color;
@@ -79,43 +80,8 @@ VARYING vec3 vary_norm;
 
 uniform float near_clip;
 
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
 uniform vec3 sun_dir;
 
-vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
-{
-	//get light vector
-	vec3 lv = lp.xyz-v;
-	
-	//get distance
-	float d = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// spotlight coefficient.
-		float spot = max(dot(-ln, lv), is_pointlight);
-		da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-		//angular attenuation
-		da *= max(dot(n, lv), 0.0);		
-	}
-
-	return vec3(da,da,da);	
-}
-
 void main()
 {
 	vec4 pos;
@@ -181,6 +147,7 @@ void main()
 	
 
 	vary_pointlight_col = diff;
+	vary_pointlight_col_linear = pow(diff, vec3(2.2));
 
 	
 	col.rgb = vec3(0,0,0);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
index c8ddefac26..145cf524d4 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
@@ -71,18 +71,18 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = dot(lv,lv);
+	float d = length(lv);
 	
 	float da = 0.0;
 
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
+	//if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv = normalize(lv);
+		lv /= d;
 	
 		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
+		float dist = d*la;
+		da = clamp(1.0-(dist-1.0+fa)/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
 		float spot = max(dot(-ln, lv), is_pointlight);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
deleted file mode 100755
index d6149fcc32..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ /dev/null
@@ -1,153 +0,0 @@
-/** 
- * @file avatarAlphaV.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-uniform mat4 projection_matrix;
-
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec3 normal;
-ATTRIBUTE vec2 texcoord0;
-
-vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
-mat4 getSkinnedTransform();
-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);
-
-vec3 atmosAmbient(vec3 light);
-vec3 atmosAffectDirectionalLight(float lightIntensity);
-vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
-
-VARYING vec3 vary_position;
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_pointlight_col;
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-
-
-uniform float near_clip;
-
-uniform vec4 color;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
-float calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = max(dot(n,l),0.0);
-        return a;
-}
-
-float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
-{
-	//get light vector
-	vec3 lv = lp.xyz-v;
-	
-	//get distance
-	float d = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// spotlight coefficient.
-		float spot = max(dot(-ln, lv), is_pointlight);
-		da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-		//angular attenuation
-		da *= max(dot(n, lv), 0.0);		
-	}
-
-	return da;	
-}
-
-void main()
-{
-	vary_texcoord0 = texcoord0;
-				
-	vec4 pos;
-	vec3 norm;
-	
-	mat4 trans = getSkinnedTransform();
-	vec4 pos_in = vec4(position.xyz, 1.0);
-	pos.x = dot(trans[0], pos_in);
-	pos.y = dot(trans[1], pos_in);
-	pos.z = dot(trans[2], pos_in);
-	pos.w = 1.0;
-	
-	norm.x = dot(trans[0].xyz, normal);
-	norm.y = dot(trans[1].xyz, normal);
-	norm.z = dot(trans[2].xyz, normal);
-	norm = normalize(norm);
-		
-	vec4 frag_pos = projection_matrix * pos;
-	gl_Position = frag_pos;
-	
-	vary_position = pos.xyz;
-	
-	calcAtmospherics(pos.xyz);
-
-	vec4 col = vec4(0.0, 0.0, 0.0, 1.0);
-
-	// Collect normal lights
-	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, light_attenuation[2].z);
-	col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].y, light_attenuation[3].z);
-	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
-	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
-	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
-	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
-	
-	vary_pointlight_col = col.rgb*color.rgb;
-
-	col.rgb = vec3(0,0,0);
-
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	
-	vary_ambient = col.rgb*color.rgb;
-	vary_directional = color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), 0.0));
-	
-	col.rgb = col.rgb * color.rgb;
-	
-	vertex_color = col;
-
-	
-	
-	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
-}
-
-
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index 53ade8ea64..27bb43110b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -133,14 +133,14 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spe
 
 	vec3 col = vec3(0,0,0);
 
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
+	//if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv = normalize(lv);
+		lv /= d;
 	
 		//distance attenuation
-		float dist = d/la;
-		float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
+		float dist = d*la;
+		float dist_atten = clamp(1.0-(dist-1.0+fa)/fa, 0.0, 1.0);
 		dist_atten *= dist_atten;
 		dist_atten *= 2.0;
 
-- 
cgit v1.2.3


From 1c9a4fc080bee955b5b18750fe8de7c24a3f912f Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Mon, 1 Jul 2013 10:53:09 -0500
Subject: NORSPEC-290 Shader optimization WIP -- remove some more divides and
 normalizes from various lighting functions, rework flow control based on
 profile feedback.

---
 .../shaders/class1/deferred/multiPointLightF.glsl  |  6 +-
 .../shaders/class1/deferred/pointLightF.glsl       | 86 ++++++++++------------
 .../shaders/class1/deferred/pointLightV.glsl       |  2 +-
 3 files changed, 43 insertions(+), 51 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class1/deferred')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
index a955ef6e9d..ed51e01a53 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -107,14 +107,14 @@ void main()
 	for (int i = 0; i < LIGHT_COUNT; ++i)
 	{
 		vec3 lv = light[i].xyz-pos;
-		float dist = length(lv);
-		dist /= light[i].w;
+		float d = length(lv);
+		float dist = d * light[i].w;
 		if (dist <= 1.0)
 		{
 			float da = dot(norm, lv);
 			if (da > 0.0)
 			{
-				lv = normalize(lv);
+				lv /= d;
 				da = dot(norm, lv);
 			
 				float fa = light_col[i].a+1.0;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index 106d48bd71..f162f70592 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -35,7 +35,7 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect normalMap;
 uniform samplerCube environmentMap;
-uniform sampler2D noiseMap;
+//uniform sampler2D noiseMap;
 uniform sampler2D lightFunc;
 uniform sampler2DRect depthMap;
 
@@ -93,64 +93,56 @@ void main()
 	
 	vec3 pos = getPosition(frag.xy).xyz;
 	vec3 lv = trans_center.xyz-pos;
-	float dist = length(lv);
-	dist /= size;
-	if (dist > 1.0)
-	{
-		discard;
-	}
+	float d = length(lv);
 	
-	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
-	norm = decode_normal(norm.xy); // unpack norm
-	float da = dot(norm, lv);
-	if (da < 0.0)
+	float dist = d*size;
+
+	vec3 col = vec3(0.0);
+	if (dist <= 1.0)
 	{
-		discard;
-	}
+		vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
+		norm = decode_normal(norm.xy); // unpack norm
+		float da = dot(norm, lv);
 	
-	norm = normalize(norm);
-	lv = normalize(lv);
-	da = dot(norm, lv);
+		norm = normalize(norm);
+		lv = normalize(lv);
+		da = max(dot(norm, lv), 0.0);
 	
-	float noise = texture2D(noiseMap, frag.xy/128.0).b;
+		//float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	
-	vec3 col = texture2DRect(diffuseRect, frag.xy).rgb;
-	float fa = falloff+1.0;
-	float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
-	dist_atten *= dist_atten;
-	dist_atten *= 2.0;
+		col = texture2DRect(diffuseRect, frag.xy).rgb;
+		float fa = falloff+1.0;
+		float dist_atten = clamp(1.0-(dist-1.0+fa)/fa, 0.0, 1.0);
+		dist_atten *= dist_atten;
+		dist_atten *= 2.0;
 	
-	float lit = da * dist_atten * noise;
+		float lit = da * dist_atten; // * noise;
 
-	col = color.rgb*lit*col;
+		col = color.rgb*lit*col;
 
-	vec4 spec = texture2DRect(specularRect, frag.xy);
-	if (spec.a > 0.0)
-	{
-		lit = min(da*6.0, 1.0) * dist_atten;
-
-		vec3 npos = -normalize(pos);
-		vec3 h = normalize(lv+npos);
-		float nh = dot(norm, h);
-		float nv = dot(norm, npos);
-		float vh = dot(npos, h);
-		float sa = nh;
-		float fres = pow(1 - dot(h, npos), 5) * 0.4+0.5;
-		float gtdenom = 2 * nh;
-		float gt = max(0,(min(gtdenom * nv / vh, gtdenom * da / vh)));
-
-		if (nh > 0.0)
+		vec4 spec = texture2DRect(specularRect, frag.xy);
+		if (spec.a > 0.0)
 		{
-			float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
-			col += lit*scol*color.rgb*spec.rgb;
+			lit = min(da*6.0, 1.0) * dist_atten;
+
+			vec3 npos = -normalize(pos);
+			vec3 h = normalize(lv+npos);
+			float nh = dot(norm, h);
+			float nv = dot(norm, npos);
+			float vh = dot(npos, h);
+			float sa = nh;
+			float fres = pow(1 - dot(h, npos), 5) * 0.4+0.5;
+			float gtdenom = 2 * nh;
+			float gt = max(0,(min(gtdenom * nv / vh, gtdenom * da / vh)));
+
+			if (nh > 0.0)
+			{
+				float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
+				col += lit*scol*color.rgb*spec.rgb;
+			}
 		}
 	}
 	
-	if (dot(col, col) <= 0.0)
-	{
-		discard;
-	}
-		
 	frag_color.rgb = col;	
 	frag_color.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
index a5625fbc16..aeef09cf5f 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
@@ -37,7 +37,7 @@ VARYING vec3 trans_center;
 void main()
 {
 	//transform vertex
-	vec3 p = position*size+center;
+	vec3 p = position*1.f/size+center;
 	vec4 pos = modelview_projection_matrix * vec4(p.xyz, 1.0);
 	vary_fragcoord = pos;
 	trans_center = (modelview_matrix*vec4(center.xyz, 1.0)).xyz;
-- 
cgit v1.2.3


From d6d2f74fbbf22ba70166a97e15b6c3b39e42ac4d Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Mon, 1 Jul 2013 16:27:20 -0500
Subject: NORSPEC-290 Shader optimization WIP -- compatibility pass with OpenGL
 3.3, slight cleanup.

---
 .../app_settings/shaders/class1/deferred/alphaF.glsl       |  3 +--
 .../shaders/class1/deferred/multiPointLightF.glsl          | 14 ++------------
 .../app_settings/shaders/class1/deferred/pointLightF.glsl  | 14 +++++---------
 3 files changed, 8 insertions(+), 23 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class1/deferred')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index b666b7b0d9..4b428cb904 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -93,7 +93,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	
 	float da = 0.0;
 
-//	if (d > 0.0 && la > 0.0 && fa > 0.0)
+	//if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
 		lv /= d;
@@ -230,7 +230,6 @@ void main()
 	}
 #endif
 
-	vec4 gamma_diff = diff;
 	vec3 normal = vary_norm; 
 	
 	vec3 l = light_position[0].xyz;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
index ed51e01a53..5a08980fec 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -36,7 +36,6 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect normalMap;
 uniform samplerCube environmentMap;
-uniform sampler2D noiseMap;
 uniform sampler2D lightFunc;
 
 
@@ -99,7 +98,6 @@ void main()
 	norm = normalize(norm);
 	vec4 spec = texture2DRect(specularRect, frag.xy);
 	vec3 diff = texture2DRect(diffuseRect, frag.xy).rgb;
-	float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	vec3 out_col = vec3(0,0,0);
 	vec3 npos = normalize(-pos);
 
@@ -122,14 +120,10 @@ void main()
 				dist_atten *= dist_atten;
 				dist_atten *= 2.0;
 			
-				dist_atten *= noise;
-
 				float lit = da * dist_atten;
 						
 				vec3 col = light_col[i].rgb*lit*diff;
 			
-				//vec3 col = vec3(dist2, light_col[i].a, lit);
-			
 				if (spec.a > 0.0)
 				{
 					lit = min(da*6.0, 1.0) * dist_atten;
@@ -144,12 +138,8 @@ void main()
 					float gtdenom = 2 * nh;
 					float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh));
 								
-					if (nh > 0.0)
-					{
-						float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
-						col += lit*scol*light_col[i].rgb*spec.rgb;
-						//col += spec.rgb;
-					}
+					float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
+					col += max(lit*scol*light_col[i].rgb*spec.rgb, vec3(0.0));
 				}
 			
 				out_col += col;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index f162f70592..b331258952 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -102,11 +102,10 @@ void main()
 	{
 		vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
 		norm = decode_normal(norm.xy); // unpack norm
-		float da = dot(norm, lv);
-	
+			
 		norm = normalize(norm);
 		lv = normalize(lv);
-		da = max(dot(norm, lv), 0.0);
+		float da = max(dot(norm, lv), 0.0);
 	
 		//float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	
@@ -116,7 +115,7 @@ void main()
 		dist_atten *= dist_atten;
 		dist_atten *= 2.0;
 	
-		float lit = da * dist_atten; // * noise;
+		float lit = da * dist_atten;
 
 		col = color.rgb*lit*col;
 
@@ -135,11 +134,8 @@ void main()
 			float gtdenom = 2 * nh;
 			float gt = max(0,(min(gtdenom * nv / vh, gtdenom * da / vh)));
 
-			if (nh > 0.0)
-			{
-				float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
-				col += lit*scol*color.rgb*spec.rgb;
-			}
+			float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
+			col += max(lit*scol*color.rgb*spec.rgb, vec3(0.0));
 		}
 	}
 	
-- 
cgit v1.2.3


From 2a03e8f9fb24bb68b79e34bcfa9a45d3e377b0b8 Mon Sep 17 00:00:00 2001
From: Graham Linden <graham@lindenlab.com>
Date: Fri, 20 Sep 2013 16:44:39 -0700
Subject: MAINT-3172 fix rendering regressions from release mergedown

---
 .../shaders/class1/deferred/avatarAlphaNoColorV.glsl           | 10 +++++-----
 .../app_settings/shaders/class1/deferred/multiSpotLightF.glsl  |  9 +++------
 .../app_settings/shaders/class1/deferred/pointLightF.glsl      |  6 +++---
 .../app_settings/shaders/class1/deferred/pointLightV.glsl      |  2 +-
 indra/newview/app_settings/shaders/class1/deferred/waterF.glsl |  1 +
 5 files changed, 13 insertions(+), 15 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class1/deferred')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
index 145cf524d4..c8ddefac26 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
@@ -71,18 +71,18 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
-	//if (d > 0.0 && la > 0.0 && fa > 0.0)
+	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv /= d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist = d*la;
-		da = clamp(1.0-(dist-1.0+fa)/fa, 0.0, 1.0);
+		float dist2 = d/la;
+		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
 		float spot = max(dot(-ln, lv), is_pointlight);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index 2e5a2c273e..0e6ab80d4d 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -311,14 +311,11 @@ void main()
 			vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds;
 			
 			vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0));
-
+			stc /= stc.w;
 			if (stc.z > 0.0)
 			{
-				stc.xy /= stc.w;
-
-				float fatten = clamp(envIntensity*envIntensity+envIntensity*0.5, 0.25, 1.0);
+				float fatten = clamp(envIntensity*envIntensity+envIntensity*0.25, 0.25, 1.0);
 				
-				//stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
 				stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
 								
 				if (stc.x < 1.0 &&
@@ -326,7 +323,7 @@ void main()
 					stc.x > 0.0 &&
 					stc.y > 0.0)
 				{
-					col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-envIntensity*proj_lod).rgb*spec.rgb;										
+					col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod).rgb*spec.rgb;										
 				}
 			}
 		}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index 73b9767a71..106d48bd71 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -35,7 +35,7 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect normalMap;
 uniform samplerCube environmentMap;
-//uniform sampler2D noiseMap;
+uniform sampler2D noiseMap;
 uniform sampler2D lightFunc;
 uniform sampler2DRect depthMap;
 
@@ -112,7 +112,7 @@ void main()
 	lv = normalize(lv);
 	da = dot(norm, lv);
 	
-		//float noise = texture2D(noiseMap, frag.xy/128.0).b;
+	float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	
 	vec3 col = texture2DRect(diffuseRect, frag.xy).rgb;
 	float fa = falloff+1.0;
@@ -120,7 +120,7 @@ void main()
 	dist_atten *= dist_atten;
 	dist_atten *= 2.0;
 	
-		float lit = da * dist_atten;
+	float lit = da * dist_atten * noise;
 
 	col = color.rgb*lit*col;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
index aeef09cf5f..a5625fbc16 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
@@ -37,7 +37,7 @@ VARYING vec3 trans_center;
 void main()
 {
 	//transform vertex
-	vec3 p = position*1.f/size+center;
+	vec3 p = position*size+center;
 	vec4 pos = modelview_projection_matrix * vec4(p.xyz, 1.0);
 	vary_fragcoord = pos;
 	trans_center = (modelview_matrix*vec4(center.xyz, 1.0)).xyz;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index e7a3bb2001..1c3ad49a21 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -58,6 +58,7 @@ uniform vec3 normScale;
 uniform float fresnelScale;
 uniform float fresnelOffset;
 uniform float blurMultiplier;
+uniform vec2 screen_res;
 uniform mat4 norm_mat; //region space to screen space
 
 //bigWave is (refCoord.w, view.w);
-- 
cgit v1.2.3