1 files changed, 77 insertions, 37 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
index 948a52da5b..9629cfe824 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
@@ -1,11 +1,36 @@
 /** 
  * @file alphaSkinnedV.glsl
- *
- * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
- * $License$
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * 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 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
+ 
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec3 normal;
+ATTRIBUTE vec4 diffuse_color;
+ATTRIBUTE vec2 texcoord0;
 
 vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
 void calcAtmospherics(vec3 inPositionEye);
@@ -17,33 +42,48 @@ 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_pointlight_col;
+VARYING vec3 vary_ambient;
+VARYING vec3 vary_directional;
+VARYING vec3 vary_fragcoord;
+VARYING vec3 vary_position;
+VARYING vec3 vary_pointlight_col;
+
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+
 
 uniform float near_clip;
 uniform float shadow_offset;
 uniform float shadow_bias;
 
+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
+//get light vector
 	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)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -51,7 +91,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
@@ -59,56 +99,56 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 
 void main()
 {
-	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
 	mat4 mat = getObjectSkinnedTransform();
 	
-	mat = gl_ModelViewMatrix * mat;
+	mat = modelview_matrix * mat;
 	
-	vec3 pos = (mat*gl_Vertex).xyz;
+	vec3 pos = (mat*vec4(position, 1.0)).xyz;
 	
-	gl_Position = gl_ProjectionMatrix * vec4(pos, 1.0);
+	gl_Position = projection_matrix * vec4(pos, 1.0);
 	
-	vec4 n = gl_Vertex;
-	n.xyz += gl_Normal.xyz;
+	vec4 n = vec4(position, 1.0);
+	n.xyz += 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;
+	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
+	vary_position = pos.xyz + light_position[0].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);
+	//vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
+	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
 
 	// Collect normal lights
-	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].quadraticAttenuation, 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].quadraticAttenuation ,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].quadraticAttenuation, 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].quadraticAttenuation, 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].quadraticAttenuation, 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].quadraticAttenuation, gl_LightSource[7].specular.a);
+	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*gl_Color.rgb;
+	vary_pointlight_col = col.rgb*diffuse_color.rgb;
 
 	col.rgb = vec3(0,0,0);
 
 	// Add windlight lights
 	col.rgb = atmosAmbient(vec3(0.));
 		
-	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)));
+	vary_ambient = col.rgb*diffuse_color.rgb;
+	vary_directional.rgb = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
 	
-	col.rgb = min(col.rgb*gl_Color.rgb, 1.0);
+	col.rgb = min(col.rgb*diffuse_color.rgb, 1.0);
 	
-	gl_FrontColor = col;
+	vertex_color = col;
 
-	gl_FogFragCoord = pos.z;
 	
-	pos.xyz = (gl_ModelViewProjectionMatrix * gl_Vertex).xyz;
+	
+	pos.xyz = (modelview_projection_matrix * vec4(position.xyz, 1.0)).xyz;
 	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
 	
 }