1 files changed, 109 insertions, 33 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
index 21ddc2fad8..d6149fcc32 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
@@ -2,9 +2,33 @@
  * @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);
@@ -17,61 +41,113 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
 vec3 scaleUpLight(vec3 light);
 
-varying vec4 vary_position;
-varying vec3 vary_ambient;
-varying vec3 vary_directional;
-varying vec3 vary_normal;
+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()
 {
-	gl_TexCoord[0] = gl_MultiTexCoord0;
+	vary_texcoord0 = texcoord0;
 				
 	vec4 pos;
 	vec3 norm;
 	
 	mat4 trans = getSkinnedTransform();
-	pos.x = dot(trans[0], gl_Vertex);
-	pos.y = dot(trans[1], gl_Vertex);
-	pos.z = dot(trans[2], gl_Vertex);
+	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, gl_Normal);
-	norm.y = dot(trans[1].xyz, gl_Normal);
-	norm.z = dot(trans[2].xyz, gl_Normal);
+	norm.x = dot(trans[0].xyz, normal);
+	norm.y = dot(trans[1].xyz, normal);
+	norm.z = dot(trans[2].xyz, normal);
 	norm = normalize(norm);
 		
-	gl_Position = gl_ProjectionMatrix * pos;
-	vary_position = pos;
-	vary_normal = norm;	
+	vec4 frag_pos = projection_matrix * pos;
+	gl_Position = frag_pos;
+	
+	vary_position = pos.xyz;
 	
 	calcAtmospherics(pos.xyz);
 
-	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
+	vec4 col = vec4(0.0, 0.0, 0.0, 1.0);
 
-	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);
+	// 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.));
+	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)));
+	vary_ambient = col.rgb*color.rgb;
+	vary_directional = color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), 0.0));
 	
-	col.rgb = min(col.rgb*gl_Color.rgb, 1.0);
+	col.rgb = col.rgb * color.rgb;
 	
-	gl_FrontColor = col;
-
-	gl_FogFragCoord = pos.z;
+	vertex_color = col;
 
+	
+	
+	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
 }