Copies data from the range (srcx, srcy) to (srcx+width, srcy+
height) over to the range starting at (dstx, dsty).
| this |
the framebuffer object |
| srcx |
the horizontal starting pixel |
| srcy |
the vertical starting pixel |
| dstx |
the horizontal target pixel |
| dsty |
the vertical target pixel |
| width |
the width of the region |
| height |
the height of the region |