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Fix gl draw command called without scanout

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This happens during VM shutdown.
Qemu should never send a draw command without scanout.
This should be fixed in Qemu  or in Virgl driver.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Uri Lublin <uril@redhat.com>
This commit is contained in:
Frediano Ziglio 2016-07-13 12:10:58 +01:00
parent 787e886d32
commit 6aafaef806
1 changed files with 5 additions and 1 deletions
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6
server/red-qxl.c
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@ -905,7 +905,11 @@ void spice_qxl_gl_draw_async(QXLInstance *qxl,
spice_return_if_fail(qxl != NULL);
qxl_state = qxl->st;
spice_return_if_fail(qxl_state->scanout.drm_dma_buf_fd != -1);
if (qxl_state->scanout.drm_dma_buf_fd == -1) {
spice_warning("called spice_qxl_gl_draw_async without a buffer");
red_qxl_async_complete(qxl, async_command_alloc(qxl_state, message, cookie));
return;
}
spice_return_if_fail(qxl_state->gl_draw_async == NULL);
qxl_state->gl_draw_async = async_command_alloc(qxl_state, message, cookie);