Added 19-oit example.

examples/19-oit/fs_oit_wb.sc

@@ -0,0 +1,22 @@
+$input v_pos
+
+/*
+ * Copyright 2011-2014 Branimir Karadzic. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include "../common/common.sh"
+
+uniform vec4 u_color;
+
+void main()
+{
+	vec4 color = u_color;
+
+	float depth = v_pos.z/v_pos.w;
+
+	color.xyz *= color.w;
+	float weight = color.w * clamp(0.03 / (1e-5 + pow(depth / 200.0, 5.0) ), 0.01, 3000.0);
+	gl_FragData[0] = color * weight;
+	gl_FragData[1] = color.wwww;
+}