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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>
This commit is contained in:
Keith Packard 2013-11-26 03:07:55 -08:00
parent eafba23b34
commit b121d62acc
1 changed files with 5 additions and 0 deletions
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5
present/present.c
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@ -621,6 +621,11 @@ present_pixmap(WindowPtr window,
if (vblank->crtc != target_crtc || vblank->target_msc != target_msc) if (vblank->crtc != target_crtc || vblank->target_msc != target_msc)
continue; continue;
DebugPresent(("\tx %lld %p %8lld: %08lx -> %08lx (crtc %p)\n",
vblank->event_id, vblank, target_msc,
vblank->pixmap->drawable.id, vblank->window->drawable.id,
vblank->crtc));
present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence); present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
present_fence_destroy(vblank->idle_fence); present_fence_destroy(vblank->idle_fence);
dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id); dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id);