Add the whole ass shader

it has begun

shaders/composite3.vsh

@@ -0,0 +1,29 @@
+#version 120
+#extension GL_EXT_gpu_shader4 : enable
+
+flat varying float tempOffsets;
+uniform int frameCounter;
+flat varying vec2 TAA_Offset;
+
+#include "/lib/util.glsl"
+#include "/lib/res_params.glsl"
+
+const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
+							vec2(-1.,3.)/8.,
+							vec2(5.0,1.)/8.,
+							vec2(-3,-5.)/8.,
+							vec2(-5.,5.)/8.,
+							vec2(-7.,-1.)/8.,
+							vec2(3,7.)/8.,
+							vec2(7.,-7.)/8.);
+
+void main() {
+	gl_Position = ftransform();
+	
+
+	TAA_Offset = offsets[frameCounter%8];
+	#ifdef TAA_UPSCALING
+		gl_Position.xy = (gl_Position.xy*0.5+0.5)*RENDER_SCALE*2.0-1.0;
+	#endif
+
+}