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Merge pull request #13722 from alalek:ocl_pass_ptr_for_empty_umat

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This commit is contained in:
Alexander Alekhin 2019-02-01 16:07:43 +00:00
commit 4e66d078d2
1 changed files with 13 additions and 0 deletions
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13
modules/core/src/ocl.cpp
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@ -2998,7 +2998,11 @@ int Kernel::set(int i, const KernelArg& arg)
if( !p || !p->handle )
return -1;
if (i < 0)
{
CV_LOG_ERROR(NULL, cv::format("OpenCL: Kernel(%s)::set(arg_index=%d): negative arg_index",
p->name.c_str(), (int)i));
return i;
}
if( i == 0 )
p->cleanupUMats();
cl_int status = 0;
@ -3007,10 +3011,19 @@ int Kernel::set(int i, const KernelArg& arg)
int accessFlags = ((arg.flags & KernelArg::READ_ONLY) ? ACCESS_READ : 0) +
((arg.flags & KernelArg::WRITE_ONLY) ? ACCESS_WRITE : 0);
bool ptronly = (arg.flags & KernelArg::PTR_ONLY) != 0;
if (ptronly && arg.m->empty())
{
cl_mem h_null = (cl_mem)NULL;
status = clSetKernelArg(p->handle, (cl_uint)i, sizeof(h_null), &h_null);
CV_OCL_DBG_CHECK_RESULT(status, cv::format("clSetKernelArg('%s', arg_index=%d, cl_mem=NULL)", p->name.c_str(), (int)i).c_str());
return i + 1;
}
cl_mem h = (cl_mem)arg.m->handle(accessFlags);
if (!h)
{
CV_LOG_ERROR(NULL, cv::format("OpenCL: Kernel(%s)::set(arg_index=%d, flags=%d): can't create cl_mem handle for passed UMat buffer (addr=%p)",
p->name.c_str(), (int)i, (int)arg.flags, arg.m));
p->release();
p = 0;
return -1;