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core(ocl): do not split refcount operations / compare

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- check result from CV_XADD() directly
- decrease urefcount after unmap() call only
This commit is contained in:
Alexander Alekhin 2018-07-30 14:09:50 +03:00
parent 2f0fc920dd
commit e90e398e7a
1 changed files with 7 additions and 7 deletions
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14
modules/core/src/umatrix.cpp
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@ -84,14 +84,11 @@ UMatData::~UMatData()
allocatorFlags_ = 0;
if (originalUMatData)
{
UMatData* u = originalUMatData;
CV_XADD(&(u->urefcount), -1);
CV_XADD(&(u->refcount), -1);
bool showWarn = false;
if (u->refcount == 0)
UMatData* u = originalUMatData;
bool zero_Ref = CV_XADD(&(u->refcount), -1) == 1;
if (zero_Ref)
{
if (u->urefcount > 0)
showWarn = true;
// simulate Mat::deallocate
if (u->mapcount != 0)
{
@ -102,7 +99,10 @@ UMatData::~UMatData()
// we don't do "map", so we can't do "unmap"
}
}
if (u->refcount == 0 && u->urefcount == 0) // oops, we need to free resources
bool zero_URef = CV_XADD(&(u->urefcount), -1) == 1;
if (zero_Ref && !zero_URef)
showWarn = true;
if (zero_Ref && zero_URef) // oops, we need to free resources
{
showWarn = true;
// simulate UMat::deallocate