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ircd:🆑 Add subbuffer region handles to interface.

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This commit is contained in:
Jason Volk 2021-03-29 12:56:45 -07:00
parent 6621a5fc4f
commit cb45dcc840
2 changed files with 15 additions and 0 deletions
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1
include/ircd/cl.h
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@ -76,6 +76,7 @@ struct ircd::cl::data
data(const size_t, const const_buffer &); // device ro
data(const mutable_buffer &, const bool wonly = false); // host rw
data(const const_buffer &); // host ro
data(data &, const pair<size_t, off_t> &); // subbuffer
data(const data &) = delete;
data() = default;
data(data &&) noexcept;

14
ircd/cl.cc
View file

@ -1246,6 +1246,20 @@ ircd::cl::data::data(const const_buffer &buf)
throw_on_error(err);
}
ircd::cl::data::data(data &master,
const pair<size_t, off_t> &slice)
{
cl_mem_flags flags {0};
cl_buffer_region region {0};
region.origin = slice.second;
region.size = slice.first;
int err {CL_SUCCESS};
handle = clCreateSubBuffer(cl_mem(master.handle), flags, CL_BUFFER_CREATE_TYPE_REGION, &region, &err);
throw_on_error(err);
}
ircd::cl::data::data(data &&o)
noexcept
:handle{std::move(o.handle)}