1 files changed, 100 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightMSF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightMSF.glsl
new file mode 100644
index 0000000000..22ed9dcd40
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightMSF.glsl
@@ -0,0 +1,100 @@
+/** 
+ * @file pointLightF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+ #version 120
+
+#extension GL_ARB_texture_rectangle : enable
+
+uniform sampler2DRect diffuseRect;
+uniform sampler2DRect specularRect;
+uniform sampler2DRect normalMap;
+uniform samplerCube environmentMap;
+uniform sampler2D noiseMap;
+uniform sampler2D lightFunc;
+uniform sampler2DRect depthMap;
+
+uniform vec3 env_mat[3];
+uniform float sun_wash;
+
+varying vec4 vary_light;
+
+varying vec4 vary_fragcoord;
+uniform vec2 screen_res;
+
+uniform mat4 inv_proj;
+uniform vec4 viewport;
+
+vec4 getPosition(vec2 pos_screen)
+{
+	float depth = texture2DRect(depthMap, pos_screen.xy).a;
+	vec2 sc = (pos_screen.xy-viewport.xy)*2.0;
+	sc /= viewport.zw;
+	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() 
+{
+	vec4 frag = vary_fragcoord;
+	frag.xyz /= frag.w;
+	frag.xyz = frag.xyz*0.5+0.5;
+	frag.xy *= screen_res;
+	
+	vec3 pos = getPosition(frag.xy).xyz;
+	vec3 lv = vary_light.xyz-pos;
+	float dist2 = dot(lv,lv);
+	dist2 /= vary_light.w;
+	if (dist2 > 1.0)
+	{
+		discard;
+	}
+	
+	vec3 norm = texture2DRect(normalMap, frag.xy).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	float da = dot(norm, lv);
+	if (da < 0.0)
+	{
+		discard;
+	}
+	
+	norm = normalize(norm);
+	lv = normalize(lv);
+	da = dot(norm, lv);
+	
+	float noise = texture2D(noiseMap, frag.xy/128.0).b;
+	
+	vec3 col = texture2DRect(diffuseRect, frag.xy).rgb;
+	float fa = gl_Color.a+1.0;
+	float dist_atten = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
+	float lit = da * dist_atten * noise;
+	
+	col = gl_Color.rgb*lit*col;
+
+	vec4 spec = texture2DRect(specularRect, frag.xy);
+	if (spec.a > 0.0)
+	{
+		float sa = dot(normalize(lv-normalize(pos)),norm);
+		if (sa > 0.0)
+		{
+			sa = texture2D(lightFunc, vec2(sa, spec.a)).a * min(dist_atten*4.0, 1.0);
+			sa *= noise;
+			col += da*sa*gl_Color.rgb*spec.rgb;
+		}
+	}
+	
+	if (dot(col, col) <= 0.0)
+	{
+		discard;
+	}
+		
+	gl_FragColor.rgb = col;	
+	gl_FragColor.a = 0.0;
+}