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st/nine: Fix assert in NineUnknown_QueryInterface

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Tests showed that is allowed to call this method on
object that have a zero refcount.
Required for issue #230.

Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Patrick Rudolph 2016-09-14 19:50:16 +02:00 • committed by Axel Davy
parent f2eacef33d
commit 8ceb2264c5
1 changed files with 4 additions and 1 deletions
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5
src/gallium/state_trackers/nine/iunknown.c
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@ -70,7 +70,10 @@ NineUnknown_QueryInterface( struct NineUnknown *This,
do {
if (GUID_equal(This->guids[i], riid)) {
*ppvObject = This;
assert(This->refs);
/* Tests showed that this call succeeds even on objects with
* zero refcount. This can happen if the app released all references
* but the resource is still bound.
*/
NineUnknown_AddRef(This);
return S_OK;
}