pixel.sksl

uniform shader iChunk;
uniform float2 iChunkSize;
uniform float2 iChunkOffset;
uniform float2 iContentSize;
uniform float2 iMouse;

half4 main(float2 xy) {
  float pixelSize = 4;
  float2 pixelPos = floor(xy / pixelSize) * pixelSize;
  half4 color = iChunk.eval(pixelPos);
  
  return color;
}