vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n