Updated pack sources

tools/packsrc/The Grid/shaders/Image.frag

@@ -0,0 +1,30 @@
+// This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0
+// Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ 
+// or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
+// =========================================================================================================
+
+vec3 rdrImg(vec2 uv)
+{
+    vec3 col = pow(texture(iChannel0, uv).xyz,vec3(1.3));
+    col += pow(texture(iChannel0, uv).xyz,vec3(.9))*.35;
+    return col;
+}
+
+vec3 rdrChroma(vec2 uv)
+{
+    vec3 col = vec3(0.);
+    vec2 off = vec2(.002);
+    col.r = rdrImg(uv+off).r;
+    col.g = rdrImg(uv).g;
+    col.b = rdrImg(uv-off).b;
+    return col;
+}
+
+void mainImage( out vec4 fragColor, in vec2 fragCoord )
+{
+    vec2 uv = fragCoord.xy/iResolution.xy;
+    
+    vec3 col = rdrChroma(uv);
+
+    fragColor = vec4(col,1.0);
+}