attempted taa support

src/main/resources/assets/voxy/shaders/lod/gl46/quads2.vert

@@ -80,6 +80,8 @@ ivec3 extractLoDPosition(uvec2 encPos) {
 }
 
 
+vec2 taaShift();
+
 //TODO: add a mechanism so that some quads can ignore backface culling
 // this would help alot with stuff like crops as they would look kinda weird i think,
 // same with flowers etc
@@ -116,6 +118,9 @@ void main() {
     vec3 pointPos = (cornerPos+swizzelDataAxis(face>>1,vec3(cQuadSize,0)))*(1<<lodLevel)+origin;
     gl_Position = MVP*vec4(pointPos, 1.0);
 
+    //Apply taa shift
+    gl_Position.xy *= taaShift()*gl_Position.w;
+
 
 
     if (cornerIdx == 1) //Only if we are the provoking vertex
@@ -182,4 +187,8 @@ void main() {
     #ifdef DEBUG_RENDER
     quadDebug = lodLevel;
     #endif
-}
+}
+
+#ifndef TAA_PATCH
+vec2 taaShift() {return vec2(0.0);}
+#endif