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authorNat Goodspeed <nat@lindenlab.com>2012-02-27 14:48:39 -0500
committerNat Goodspeed <nat@lindenlab.com>2012-02-27 14:48:39 -0500
commit063edac43f90d2cb0d2b41db939bbf919a1a3217 (patch)
treebbf1d446baef80933f6be80d05734d68144ae4cc /indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
parent6f53796ccf4dc29368920a322baeaceb3fd2266f (diff)
parente7ab3da7a7f5c68e3544a64c30f011762572995a (diff)
Automated merge with file:///Users/nat/linden/viewer-leap-daggy
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl')
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl40
1 files changed, 36 insertions, 4 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
index 4603d99c5e..18d451bf87 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
@@ -42,7 +42,7 @@ void dofSample(inout vec4 diff, inout float w, float min_sc, vec2 tc)
{
vec4 s = texture2DRect(diffuseRect, tc);
- float sc = s.a*max_cof;
+ float sc = abs(s.a*2.0-1.0)*max_cof;
if (sc > min_sc) //sampled pixel is more "out of focus" than current sample radius
{
@@ -57,6 +57,20 @@ void dofSample(inout vec4 diff, inout float w, float min_sc, vec2 tc)
}
}
+void dofSampleNear(inout vec4 diff, inout float w, float min_sc, vec2 tc)
+{
+ vec4 s = texture2DRect(diffuseRect, tc);
+
+ float wg = 0.25;
+
+ // de-weight dull areas to make highlights 'pop'
+ wg += s.r+s.g+s.b;
+
+ diff += wg*s;
+
+ w += wg;
+}
+
void main()
{
vec2 tc = vary_fragcoord.xy;
@@ -66,12 +80,30 @@ void main()
{
float w = 1.0;
- float sc = diff.a*max_cof;
-
+ float sc = (diff.a*2.0-1.0)*max_cof;
+
float PI = 3.14159265358979323846264;
// sample quite uniformly spaced points within a circle, for a circular 'bokeh'
+ if (sc > 0.5)
+ {
+ 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.
+ dofSampleNear(diff, w, sc, vary_fragcoord.xy + vec2(samp_x,samp_y));
+ }
+ sc -= 1.0;
+ }
+ }
+ else if (sc < -0.5)
{
+ sc = abs(sc);
while (sc > 0.5)
{
int its = int(max(1.0,(sc*3.7)));
@@ -86,7 +118,7 @@ void main()
sc -= 1.0;
}
}
-
+
diff /= w;
}