Changeset 2984 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders

Timestamp:

10/01/08 01:10:22 (16 years ago)

Author:

mattausch

Message:

added eye space depth

Location:

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders

Files:

• deferred.cg (modified) (3 diffs)
• mrt.cg (modified) (4 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/deferred.cg

@@ -48 +48 @@
         float4 outColor;
 
-        //if (color.w > 1e19f) outColor = color;
-        if (emmisive > 1.5f) outColor = color;
+        if (position.w > 1e19f) outColor = color;
+        //if (emmisive > 1.5f) outColor = color;
         else outColor = (ambient + diffuse) * color;
 
@@ -181 +181 @@
 
         // calc diffuse illumination + shadow term
-        if ((emmisive < 1.5f) // hack: prevent shadowing the sky        
+        //if ((emmisive < 1.5f) // hack: prevent shadowing the sky      
+        if (
+                (position.w > 1e19f)
                 && (angle > 1e-3f) // shadow only if diffuse color has some minimum intensity
                 )
@@ -200 +202 @@
         
         // base lighting
-        OUT.color = (emmisive > 1.5f) ? color: (ambient + diffuse) * color;
+        //OUT.color = (emmisive > 1.5f) ? color: (ambient + diffuse) * color;
+        OUT.color = (position.w > 1e19f) ? color: (ambient + diffuse) * color;
 
 

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/mrt.cg

@@ -68 +68 @@
                           uniform sampler2D dirtTex,
                           uniform float maxDepth,
-                          uniform sampler2D tex)
+                          uniform sampler2D tex,
+                          uniform float3 currentPos)
 {
         pixel pix;
@@ -93 +94 @@
 
         // hack: squeeze some information about ambient into the texture
-        pix.col.w = glstate.material.emission.x;
-        //pix.col.w = length(currentPos - IN.worldPos)
+        //pix.col.w = glstate.material.emission.x;
+        pix.col.w = length(currentPos - IN.worldPos);
 
         return pix;
@@ -100 +101 @@
 
 
-pixel frag(fragin IN, 
-                   uniform float maxDepth)
+pixel frag(fragin IN, uniform float maxDepth, uniform float3 currentPos)
 {
         pixel pix;
@@ -117 +117 @@
         
         // hack: squeeze some information about the ambient term into the target
-        pix.col.w = glstate.material.emission.x;
+        //pix.col.w = glstate.material.emission.x;
+        pix.col.w = length(currentPos - IN.worldPos);
 
         return pix;