Fill all the pixels in the range (x, y) to (x + width, y + height
) to the value in src.
The number of bytes in src is determined by the remote pixel format
| this |
the framebuffer object |
| src |
the new pixel data |
| x |
the horizontal pixel to start filling |
| y |
the vertical pixel to start filling |
| width |
the number of pixels to fill horizontally |
| height |
the number of pixels to fill vertically |