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core(ocl): fix lifetime handling of Image kernel args

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This commit is contained in:
Alexander Alekhin 2021-01-15 17:58:57 +00:00
parent 68fb8dd873
commit 212815a10d
1 changed files with 16 additions and 6 deletions
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22
modules/core/src/ocl.cpp
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@ -2802,16 +2802,24 @@ struct Kernel::Impl
haveTempSrcUMats = true; // UMat is created on RAW memory (without proper lifetime management, even from Mat)
}
void addImage(const Image2D& image)
/// Preserve image lifetime (while it is specified as Kernel argument)
void registerImageArgument(int arg, const Image2D& image)
{
images.push_back(image);
CV_CheckGE(arg, 0, "");
CV_CheckLT(arg, (int)MAX_ARRS, "");
if (arg < (int)shadow_images.size() && shadow_images[arg].ptr() != image.ptr()) // TODO future: replace ptr => impl (more strong check)
{
CV_Check(arg, !isInProgress, "ocl::Kernel: clearing of pending Image2D arguments is not allowed");
}
shadow_images.reserve(MAX_ARRS);
shadow_images.resize(std::max(shadow_images.size(), (size_t)arg + 1));
shadow_images[arg] = image;
}
void finit(cl_event e)
{
CV_UNUSED(e);
cleanupUMats();
images.clear();
isInProgress = false;
release();
}
@ -2836,7 +2844,7 @@ struct Kernel::Impl
bool isInProgress;
bool isAsyncRun; // true if kernel was scheduled in async mode
int nu;
std::list<Image2D> images;
std::vector<Image2D> shadow_images;
bool haveTempDstUMats;
bool haveTempSrcUMats;
};
@ -2978,9 +2986,11 @@ int Kernel::set(int i, const void* value, size_t sz)
int Kernel::set(int i, const Image2D& image2D)
{
p->addImage(image2D);
cl_mem h = (cl_mem)image2D.ptr();
return set(i, &h, sizeof(h));
int res = set(i, &h, sizeof(h));
if (res >= 0)
p->registerImageArgument(i, image2D);
return res;
}
int Kernel::set(int i, const UMat& m)