core :: Sys :: glReadPixels
fomat
and typ
at data
# Copy a block of pixels from the framebuffer of `fomat` and `typ` at `data`
fun glReadPixels(x, y, width, height: Int, format: GLPixelFormat, typ: GLDataType, data: Pointer) `{
glReadPixels(x, y, width, height, format, typ, data);
`}
lib/glesv2/glesv2.nit:667,1--670,2