<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - radeonsi: xterm scrollback buffer disappears while Shift+PgUp and PgDn" href="https://bugs.freedesktop.org/show_bug.cgi?id=110214#c67">Comment # 67</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - radeonsi: xterm scrollback buffer disappears while Shift+PgUp and PgDn" href="https://bugs.freedesktop.org/show_bug.cgi?id=110214">bug 110214</a> from <a class="email" href="mailto:maraeo@gmail.com" title="Marek Olšák <maraeo@gmail.com>"> Marek Olšák</a> <pre>(In reply to Michel Dänzer from <a href="show_bug.cgi?id=110214#c63">comment #63</a>) > (In reply to Diego Viola from <a href="show_bug.cgi?id=110214#c62">comment #62</a>) > > export MESA_EXTENSION_OVERRIDE="-GL_NV_texture_barrier" > > > > This helps alleviate the problem (xterm does not have the issue with this), > > however, the problem is still present in Xephyr. > > To clarify, you mean Xephyr from xserver 1.16 here (where glamor didn't make > use of GL_NV_texture_barrier yet), disabling GL_NV_texture_barrier helps > with current Xephyr, right? > > It seems like DPBB needs to be disabled when glTextureBarrier(NV) is called, > otherwise primitives may be reordered across the barrier. Does that make > sense, Marek? Primitives aren't reordered with DPBB. Primitives can't also survive a barrier with DPBB. DPBB has no effect on behavior, it just changes how PS wavefronts are formed.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>