On 19 January 2015 at 21:00, Chris Wilson <chris at chris-wilson.co.uk> wrote: > In order to suport GLX_EXT_buffer_age in DRI2, we need to pass back the > last swap buffer count that the back buffer was defined for. For > simplicity, we can reuse an existing field in the DRI2GetBuffers reply > that is not used by current drivers, the flags. Since we change the > interpretation of this flag, we also declare the semantic change with a > DRI2 parameter and depend upon the DDX to enable the change > responsibility (which is just a matter of reviewing whether the flags > field has ever been used for a non-zero value). >
This is just missing the why do we need to add this to DRI2 when we have DRI3/Present that should be solving it. Doesn't dri3 already do this? Dave.
