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ocl: workaround for getUMat()

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This commit is contained in:
Alexander Alekhin
2015-09-08 04:06:04 +03:00
parent cea2dafa0f
commit ad70ab404c
6 changed files with 159 additions and 43 deletions
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42
modules/core/src/ocl.cpp
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@@ -4453,8 +4453,11 @@ public:
#endif
{
tempUMatFlags = UMatData::TEMP_UMAT;
handle = clCreateBuffer(ctx_handle, CL_MEM_USE_HOST_PTR|createFlags,
u->size, u->origdata, &retval);
if (u->origdata == cv::alignPtr(u->origdata, 4)) // There are OpenCL runtime issues for less aligned data
{
handle = clCreateBuffer(ctx_handle, CL_MEM_USE_HOST_PTR|createFlags,
u->size, u->origdata, &retval);
}
if((!handle || retval < 0) && !(accessFlags & ACCESS_FAST))
{
handle = clCreateBuffer(ctx_handle, CL_MEM_COPY_HOST_PTR|CL_MEM_READ_WRITE|createFlags,
@@ -4510,17 +4513,17 @@ public:
if(!u)
return;
CV_Assert(u->urefcount >= 0);
CV_Assert(u->refcount >= 0);
CV_Assert(u->urefcount == 0);
CV_Assert(u->refcount == 0 && "UMat deallocation error: some derived Mat is still alive");
CV_Assert(u->handle != 0 && u->urefcount == 0);
CV_Assert(u->handle != 0);
CV_Assert(u->mapcount == 0);
if(u->tempUMat())
{
CV_Assert(u->origdata);
// UMatDataAutoLock lock(u);
if( u->hostCopyObsolete() && u->refcount > 0 )
if (u->hostCopyObsolete())
{
#ifdef HAVE_OPENCL_SVM
if ((u->allocatorFlags_ & svm::OPENCL_SVM_BUFFER_MASK) != 0)
@@ -4579,7 +4582,12 @@ public:
void* data = clEnqueueMapBuffer(q, (cl_mem)u->handle, CL_TRUE,
(CL_MAP_READ | CL_MAP_WRITE),
0, u->size, 0, 0, 0, &retval);
CV_Assert(u->origdata == data);
CV_OclDbgAssert(retval == CL_SUCCESS);
if (u->originalUMatData)
{
CV_Assert(u->originalUMatData->data == data);
}
CV_OclDbgAssert(clEnqueueUnmapMemObject(q, (cl_mem)u->handle, data, 0, 0, 0) == CL_SUCCESS);
CV_OclDbgAssert(clFinish(q) == CL_SUCCESS);
}
@@ -4587,6 +4595,10 @@ public:
}
u->markHostCopyObsolete(false);
}
else
{
// nothing
}
#ifdef HAVE_OPENCL_SVM
if ((u->allocatorFlags_ & svm::OPENCL_SVM_BUFFER_MASK) != 0)
{
@@ -4612,16 +4624,12 @@ public:
if(u->data && u->copyOnMap() && u->data != u->origdata)
fastFree(u->data);
u->data = u->origdata;
if(u->refcount == 0)
{
u->currAllocator->deallocate(u);
u = NULL;
}
u->currAllocator->deallocate(u);
u = NULL;
}
else
{
CV_Assert(u->origdata == NULL);
CV_Assert(u->refcount == 0);
if(u->data && u->copyOnMap() && u->data != u->origdata)
{
fastFree(u->data);
@@ -4670,17 +4678,13 @@ public:
delete u;
u = NULL;
}
CV_Assert(u == NULL || u->refcount);
CV_Assert(u == NULL);
}
// synchronized call (external UMatDataAutoLock, see UMat::getMat)
void map(UMatData* u, int accessFlags) const
{
if(!u)
return;
CV_Assert( u->handle != 0 );
UMatDataAutoLock autolock(u);
CV_Assert(u && u->handle);
if(accessFlags & ACCESS_WRITE)
u->markDeviceCopyObsolete(true);