add v1.541 (Extreme)

shaders/gbuffers_basic.fsh

@@ -0,0 +1,30 @@
+#version 120
+/* DRAWBUFFERS:0 */ //01 breaks selection box color but fixes leads
+
+varying vec4 color;
+varying vec4 texcoord;
+varying vec3 normal;
+
+uniform sampler2D texture;
+
+//encode normal in two channel (xy),torch and material(z) and sky lightmap (w)
+vec4 encode (vec3 n){
+    float p = sqrt(n.z*8+8);
+    return vec4(n.xy/p + 0.5,texcoord.z,texcoord.w);
+}
+
+vec3 RGB2YCoCg(vec3 c){
+	return vec3( 0.25*c.r+0.5*c.g+0.25*c.b, 0.5*c.r-0.5*c.b +0.5, -0.25*c.r+0.5*c.g-0.25*c.b +0.5);
+}
+
+void main() {
+
+vec4 cAlbedo = vec4(RGB2YCoCg(color.rgb),color.a);
+
+bool pattern = (mod(gl_FragCoord.x,2.0)==mod(gl_FragCoord.y,2.0));
+cAlbedo.g = (pattern)?cAlbedo.b: cAlbedo.g;
+cAlbedo.b = 1.0;
+
+	gl_FragData[0] = cAlbedo;
+	gl_FragData[1] = encode(normal.xyz);	
+}