xephyr: Check for host XVideo support before trying to use it
Otherwise xcb will treat our attempt to send xv requests as a connection error (quite reasonably: we're asking it to emit a request for which there is no defined major opcode), and we'll die quietly the first time we hit KdBlockhandler. Signed-off-by: Adam Jackson <ajax@redhat.com> Reviewed-by: Eric Anholt <eric@anholt.net>
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@ -226,6 +226,11 @@ ephyrInitVideo(ScreenPtr pScreen)
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return FALSE;
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}
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if (!hostx_has_extension(&xcb_xv_id)) {
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EPHYR_LOG_ERROR("Host has no XVideo extension\n");
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return FALSE;
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}
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if (!xv_priv) {
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xv_priv = ephyrXVPrivNew();
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}
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