target_msc = priv->msc + priv->swap_interval * (priv->send_sbc - priv->recv_sbc);
priv->buffers[buf_id]->busy = 1;
+ priv->buffers[buf_id]->last_swap = priv->send_sbc;
xcb_present_pixmap(c,
priv->base.xDrawable,
priv->buffers[buf_id]->pixmap,
return ret;
}
+static int
+dri3_get_buffer_age(__GLXDRIdrawable *pdraw)
+{
+ xcb_connection_t *c = XGetXCBConnection(pdraw->psc->dpy);
+ struct dri3_drawable *priv = (struct dri3_drawable *) pdraw;
+ int back_id = DRI3_BACK_ID(dri3_find_back(c, priv));
+
+ if (back_id < 0 || !priv->buffers[back_id])
+ return 0;
+
+ if (priv->buffers[back_id]->last_swap != 0)
+ return priv->send_sbc - priv->buffers[back_id]->last_swap + 1;
+ else
+ return 0;
+}
+
/** dri3_open
*
* Wrapper around xcb_dri3_open
psp->copySubBuffer = dri3_copy_sub_buffer;
__glXEnableDirectExtension(&psc->base, "GLX_MESA_copy_sub_buffer");
+ psp->getBufferAge = dri3_get_buffer_age;
+ __glXEnableDirectExtension(&psc->base, "GLX_EXT_buffer_age");
+
free(driverName);
free(deviceName);