Re: add glClear
Adam Jackson <[email protected]>
| Newsgroups | gmane.comp.lib.cairo |
|---|---|
| Message-ID | <1361395937.18532.95.camel@ergine> |
On Wed, 2013-02-20 at 20:19 +0000, Henry (Yu) Song - SISA wrote: > Do you think it is a good idea to add glClear right after > glXSwapBuffers/eglSwapBuffers in cairo. The reason is I know some > (might be all?) drivers use glClear as an indicator to start a new > frame and thus reset some buffers, for example, buffers in glDraw(). I might hesitate. cogl goes out of its way to track the regions it's about to damage precisely because it can be a win to reuse the preserved bits of the back buffer rather than blow them away. - ajax -- cairo mailing list [email protected] http://lists.cairographics.org/mailman/listinfo/cairo