# HG changeset patch
# User Eleni Maria Stea <eleni@mutantstargoat.com>
# Date 1384640104 -7200
# Node ID 8b81571dd4dda6247f347402bed39d17271999d2
# Parent  b50ad2711f5fdd81859cb45a7bedaaeb49bc6243
fooo

diff -r b50ad2711f5f -r 8b81571dd4dd data/shaders/invisible.f.glsl
--- a/data/shaders/invisible.f.glsl	Sat Nov 16 23:29:15 2013 +0200
+++ b/data/shaders/invisible.f.glsl	Sun Nov 17 00:15:04 2013 +0200
@@ -1,4 +1,5 @@
 uniform sampler2D tex;
+varying float mask;
 
 void main()
 {
diff -r b50ad2711f5f -r 8b81571dd4dd data/shaders/invisible.v.glsl
--- a/data/shaders/invisible.v.glsl	Sat Nov 16 23:29:15 2013 +0200
+++ b/data/shaders/invisible.v.glsl	Sun Nov 17 00:15:04 2013 +0200
@@ -1,10 +1,15 @@
 uniform sampler2D depth_tex;
+varying float mask;
 
 void main()
 {
-	float depth = texture2D(depth_tex, gl_MultiTexCoord0.xy).r;
+	const float threshold = 0.8;
+	const float scale = 4.0;
+
+	float texel = texture2D(depth_tex, gl_MultiTexCoord0.xy).r;
 	vec4 vpos = gl_Vertex;
-	vpos.z = depth;
+	mask = 1.0 - step(threshold, texel);
+	vpos.z = texel * mask * scale;
 
 	gl_Position = gl_ModelViewProjectionMatrix * vpos;
 	gl_TexCoord[0] = gl_MultiTexCoord0;
diff -r b50ad2711f5f -r 8b81571dd4dd src/frame.cc
--- a/src/frame.cc	Sat Nov 16 23:29:15 2013 +0200
+++ b/src/frame.cc	Sun Nov 17 00:15:04 2013 +0200
@@ -100,7 +100,7 @@
 		if(val >= 2047) {
 			val = 2047;
 		}
-		*dest = val >> 3;
+		*dest = val >> 2; //should be >> 3
 		src++;
 		dest++;
 	}