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Caolán McNamara yazdı
leave the GtkGLArea opengl context alone except for the final render into it, create a new context for the slide transitions to play with set up a pair of framebuffers, a scratch one to let the transitions render into, the other to take a snapshot when the transition is finished with it and then tell GtkGLArea we're ready to render it and when the callback comes around copy the snapshot into it. Change-Id: I3515614baf7eea0ff53c46edbaf9cf66f926eef2 Reviewed-on: https://gerrit.libreoffice.org/42144Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Caolán McNamara <caolanm@redhat.com> Tested-by: Caolán McNamara <caolanm@redhat.com>
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