1 files changed, 110 insertions, 30 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
index 650e1a91a8..f377685045 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
@@ -4,54 +4,134 @@
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * $/LicenseInfo$
  */
+ 
+#version 120
 
 #extension GL_ARB_texture_rectangle : enable
 
 uniform sampler2DRect diffuseRect;
-uniform sampler2DRect localLightMap;
-uniform sampler2DRect sunLightMap;
-uniform sampler2DRect giLightMap;
-uniform sampler2D	  luminanceMap;
-uniform sampler2DRect lightMap;
+uniform sampler2DRect edgeMap;
+uniform sampler2DRect depthMap;
+uniform sampler2DRect normalMap;
+uniform sampler2D bloomMap;
 
-uniform vec3 lum_quad;
-uniform float lum_lod;
-uniform vec4 ambient;
-
-uniform vec3 gi_quad;
+uniform float depth_cutoff;
+uniform float norm_cutoff;
+uniform float focal_distance;
+uniform float blur_constant;
+uniform float tan_pixel_angle;
+uniform float magnification;
 
+uniform mat4 inv_proj;
 uniform vec2 screen_res;
+
 varying vec2 vary_fragcoord;
 
-void main() 
+float getDepth(vec2 pos_screen)
 {
-	vec2 tc = vary_fragcoord.xy;
-	vec3 lum = texture2DLod(luminanceMap, tc/screen_res, lum_lod).rgb;
-	float luminance = lum.r;
-	luminance = luminance*lum_quad.y+lum_quad.z;
+	float z = texture2DRect(depthMap, pos_screen.xy).a;
+	z = z*2.0-1.0;
+	vec4 ndc = vec4(0.0, 0.0, z, 1.0);
+	vec4 p = inv_proj*ndc;
+	return p.z/p.w;
+}
 
-	vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
+float calc_cof(float depth)
+{
+	float sc = abs(depth-focal_distance)/-depth*blur_constant;
+		
+	sc /= magnification;
+	
+	// tan_pixel_angle = pixel_length/-depth;
+	float pixel_length =  tan_pixel_angle*-focal_distance;
+	
+	sc = sc/pixel_length;
+	sc *= 1.414;
+	
+	return sc;
+}
 
-	float ambocc = texture2DRect(lightMap, vary_fragcoord.xy).g;
-			
-	vec3 gi_col = texture2DRect(giLightMap, vary_fragcoord.xy).rgb;
-	gi_col = gi_col*gi_col*gi_quad.x + gi_col*gi_quad.y+gi_quad.z*ambocc*ambient.rgb;
-	gi_col *= diff;
+void dofSampleNear(inout vec4 diff, inout float w, float cur_sc, vec2 tc)
+{
+	float d = getDepth(tc);
 	
-	vec4 sun_col =	texture2DRect(sunLightMap, vary_fragcoord.xy);
+	float sc = calc_cof(d);
 	
-	vec3 local_col = texture2DRect(localLightMap, vary_fragcoord.xy).rgb;
+	float wg = 1.0;
 		
+	vec4 s = texture2DRect(diffuseRect, tc);
+	// de-weight dull areas to make highlights 'pop'
+	wg *= s.r+s.g+s.b;
+	
+	diff += wg*s;
+	
+	w += wg;
+}
+
+void dofSample(inout vec4 diff, inout float w, float min_sc, float cur_depth, vec2 tc)
+{
+	float d = getDepth(tc);
+	
+	float sc = calc_cof(d);
+	
+	if (sc > min_sc //sampled pixel is more "out of focus" than current sample radius
+	   || d < cur_depth) //sampled pixel is further away than current pixel
+	{
+		float wg = 1.0;
 		
-	sun_col *= 1.0/min(luminance, 1.0);
-	gi_col *= 1.0/luminance;
+		vec4 s = texture2DRect(diffuseRect, tc);
+		// de-weight dull areas to make highlights 'pop'
+		wg *= s.r+s.g+s.b;
+	
+		diff += wg*s;
+		
+		w += wg;
+	}
+}
+
+
+void main() 
+{
+	vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
 		
-	vec3 col = sun_col.rgb+gi_col+local_col;
+	vec2 tc = vary_fragcoord.xy;
 	
-	gl_FragColor.rgb = col.rgb;
-	col.rgb = max(col.rgb-vec3(1.0,1.0,1.0), vec3(0.0, 0.0, 0.0)); 
+	float depth = getDepth(tc);
 	
-	gl_FragColor.a = 0.0; // max(dot(col.rgb,col.rgb)*lum_quad.x, sun_col.a);
+	vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
 	
-	//gl_FragColor.rgb = vec3(lum_lod);
+	{ 
+		float w = 1.0;
+		
+		float sc = calc_cof(depth);
+		sc = min(abs(sc), 10.0);
+		
+		float fd = depth*0.5f;
+		
+		float PI = 3.14159265358979323846264;
+
+		// sample quite uniformly spaced points within a circle, for a circular 'bokeh'		
+		//if (depth < focal_distance)
+		{
+			while (sc > 0.5)
+			{
+				int its = int(max(1.0,(sc*3.7)));
+				for (int i=0; i<its; ++i)
+				{
+					float ang = sc+i*2*PI/its; // sc is added for rotary perturbance
+					float samp_x = sc*sin(ang);
+					float samp_y = sc*cos(ang);
+					// you could test sample coords against an interesting non-circular aperture shape here, if desired.
+					dofSample(diff, w, sc, depth, vary_fragcoord.xy + vec2(samp_x,samp_y));
+				}
+				sc -= 1.0;
+			}
+		}
+		
+		diff /= w;
+	}
+		
+	vec4 bloom = texture2D(bloomMap, vary_fragcoord.xy/screen_res);
+	gl_FragColor = diff + bloom;
 }