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spice: flush on GL update before notifying client

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Since the introduction of spice/virgl support in commit
474114b7 ("spice: add opengl/virgl/dmabuf support"), the drawing isn't
being flushed before notifying the client. This results in
outdated/sluggish drawing on client side, in particular when using the
Linux console.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210216092056.2301293-1-marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2021-02-16 13:20:55 +04:00 committed by Gerd Hoffmann
parent c79f01c945
commit 3af1671852
1 changed files with 1 additions and 0 deletions
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ui/spice-display.c
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@ -1087,6 +1087,7 @@ static void qemu_spice_gl_update(DisplayChangeListener *dcl,
trace_qemu_spice_gl_update(ssd->qxl.id, w, h, x, y);
qemu_spice_gl_block(ssd, true);
glFlush();
cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0);
spice_qxl_gl_draw_async(&ssd->qxl, x, y, w, h, cookie);
}