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authorDebi King (Dessie) <dessie@lindenlab.com>2011-05-24 18:39:19 -0400
committerDebi King (Dessie) <dessie@lindenlab.com>2011-05-24 18:39:19 -0400
commit9afa752ca13d45a3d93d66e9b01fea3969365228 (patch)
tree1910f810750f24ce8cc46aa0802ae9a2b114c783 /indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
parente677e5e77114cfbfcd7c5e838922fdf8d12853fb (diff)
parente5752934be74a84e6ec0ff8cb96974bd1e9060ec (diff)
merged .hgtags
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl')
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl140
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..77f1b2224c 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 = 0.25;
+ 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 = 0.25;
- 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;
}