Method copy

core/src/processing/opengl/PGraphicsOpenGL.java:6157–6169

(int sx, int sy, int sw, int sh,
                   int dx, int dy, int dw, int dh)

  @Override
  public void copy(int sx, int sy, int sw, int sh,
                   int dx, int dy, int dw, int dh) {
    if (primaryGraphics) pgl.enableFBOLayer();
    loadTexture();
    if (filterTexture == null || filterTexture.contextIsOutdated()) {
      filterTexture = new Texture(this, texture.width, texture.height, texture.getParameters());
      filterTexture.invertedY(true);
      filterImage = wrapTexture(filterTexture);
    }
    filterTexture.put(texture, sx, height - (sy + sh), sw, height - sy);
    copy(filterImage, sx, sy, sw, sh, dx, dy, dw, dh);
  }


  @Override