present: Add a debug output line when skipping a pending present
When an application provides two pixmaps for the same MSC, the previous one is skipped. This just dumps out some information at that point Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Adam Jackson <ajax@redhat.com>
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@ -621,6 +621,11 @@ present_pixmap(WindowPtr window,
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if (vblank->crtc != target_crtc || vblank->target_msc != target_msc)
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continue;
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DebugPresent(("\tx %lld %p %8lld: %08lx -> %08lx (crtc %p)\n",
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vblank->event_id, vblank, target_msc,
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vblank->pixmap->drawable.id, vblank->window->drawable.id,
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vblank->crtc));
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present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
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present_fence_destroy(vblank->idle_fence);
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dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id);
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