1 files changed, 108 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..23b5e76735
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightMSF.glsl
@@ -0,0 +1,108 @@
+/** 
+ * @file pointLightF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * $/LicenseInfo$
+ */
+ 
+ #version 120
+
+#extension GL_ARB_texture_rectangle : enable
+#extension GL_ARB_texture_multisample : enable
+
+uniform sampler2DMS depthMap;
+uniform sampler2DMS diffuseRect;
+uniform sampler2DMS specularRect;
+uniform sampler2DMS normalMap;
+uniform sampler2D noiseMap;
+uniform sampler2D lightFunc;
+
+
+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(ivec2 pos_screen, int sample)
+{
+	float depth = texelFetch(depthMap, pos_screen, sample).r;
+	vec2 sc = (vec2(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;
+	
+	ivec2 itc = ivec2(frag.xy);
+
+	int wght = 0;
+	vec3 fcol = vec3(0,0,0);
+
+	for (int s = 0; s < samples; ++s)
+	{
+		vec3 pos = getPosition(itc, s).xyz;
+		vec3 lv = vary_light.xyz-pos;
+		float dist2 = dot(lv,lv);
+		dist2 /= vary_light.w;
+		if (dist2 <= 1.0)
+		{
+			vec3 norm = texelFetch(normalMap, itc, s).xyz;
+			norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+			float da = dot(norm, lv);
+			if (da >= 0.0)
+			{
+				norm = normalize(norm);
+				lv = normalize(lv);
+				da = dot(norm, lv);
+	
+				float noise = texture2D(noiseMap, frag.xy/128.0).b;
+	
+				vec3 col = texelFetch(diffuseRect, itc, s).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 = texelFetch(specularRect, itc, s);
+				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;
+					}
+				}
+
+				fcol += col;
+				++wght;
+			}
+		}
+	}
+	
+	if (wght <= 0)
+	{
+		discard;
+	}
+		
+	gl_FragColor.rgb = fcol/wght;	
+	gl_FragColor.a = 0.0;
+}