fix OpenCV code (bug 4006: #4862)

This commit is contained in:
Alexander Alekhin
2015-07-24 19:10:31 +03:00
parent ed7907e46c
commit b36f565d13
3 changed files with 24 additions and 17 deletions

View File

@@ -221,6 +221,7 @@ UMat Mat::getUMat(int accessFlags, UMatUsageFlags usageFlags) const
UMat hdr;
if(!data)
return hdr;
accessFlags |= ACCESS_RW;
UMatData* temp_u = u;
if(!temp_u)
{
@@ -228,7 +229,6 @@ UMat Mat::getUMat(int accessFlags, UMatUsageFlags usageFlags) const
if(!a)
a = a0;
temp_u = a->allocate(dims, size.p, type(), data, step.p, accessFlags, usageFlags);
temp_u->refcount = 1;
}
UMat::getStdAllocator()->allocate(temp_u, accessFlags, usageFlags); // TODO result is not checked
hdr.flags = flags;
@@ -584,7 +584,9 @@ Mat UMat::getMat(int accessFlags) const
{
if(!u)
return Mat();
u->currAllocator->map(u, accessFlags | ACCESS_READ); // TODO Support ACCESS_WRITE without unnecessary data transfers
// TODO Support ACCESS_READ (ACCESS_WRITE) without unnecessary data transfers
accessFlags |= ACCESS_RW;
u->currAllocator->map(u, accessFlags);
CV_Assert(u->data != 0);
Mat hdr(dims, size.p, type(), u->data + offset, step.p);
hdr.flags = flags;