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ircd:🆑 Improve data construction; add initialization xfer to ctor.

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This commit is contained in:
Jason Volk 2021-03-14 15:21:05 -07:00
parent fe666dc52c
commit 5d6554b1a3
2 changed files with 47 additions and 10 deletions
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7
include/ircd/cl.h
View file

@ -62,9 +62,10 @@ struct ircd::cl::data
void *handle {nullptr};
public:
data(const size_t, const bool w = false, const bool wonly = false);
data(const mutable_buffer &, const bool wonly = false); // host
data(const const_buffer &); // host
data(const size_t, const mutable_buffer &, const bool wonly = false); // device rw
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(const data &) = delete;
data() = default;
data(data &&) noexcept;

50
ircd/cl.cc
View file

@ -705,35 +705,71 @@ catch(const std::exception &e)
// data
//
ircd::cl::data::data(const size_t size,
const bool w,
ircd::cl::data::data(const size_t size_,
const mutable_buffer &buf,
const bool wonly)
{
int err {CL_SUCCESS};
const auto ptr
{
ircd::size(buf)? ircd::data(buf): nullptr
};
const auto size
{
ircd::size(buf)?: size_
};
cl_mem_flags flags {0};
flags |= CL_MEM_READ_WRITE;
flags |= wonly? CL_MEM_WRITE_ONLY: 0;
flags |= !w? CL_MEM_READ_ONLY: 0;
handle = clCreateBuffer(primary, flags, size, nullptr, &err);
flags |= ircd::size(buf)? CL_MEM_COPY_HOST_PTR: 0;
int err {CL_SUCCESS};
handle = clCreateBuffer(primary, flags, size, ptr, &err);
throw_on_error(err);
}
ircd::cl::data::data(const size_t size_,
const const_buffer &buf)
{
const auto ptr
{
ircd::size(buf)? ircd::data(buf): nullptr
};
const auto size
{
ircd::size(buf)?: size_
};
cl_mem_flags flags {0};
flags |= CL_MEM_READ_ONLY;
flags |= ircd::size(buf)? CL_MEM_COPY_HOST_PTR: 0;
int err {CL_SUCCESS};
handle = clCreateBuffer(primary, flags, size, mutable_cast(ptr), &err);
throw_on_error(err);
}
ircd::cl::data::data(const mutable_buffer &buf,
const bool wonly)
{
int err {CL_SUCCESS};
cl_mem_flags flags {0};
flags |= CL_MEM_USE_HOST_PTR;
flags |= wonly? CL_MEM_WRITE_ONLY: CL_MEM_READ_WRITE;
int err {CL_SUCCESS};
handle = clCreateBuffer(primary, flags, ircd::size(buf), ircd::data(buf), &err);
throw_on_error(err);
}
ircd::cl::data::data(const const_buffer &buf)
{
int err {CL_SUCCESS};
cl_mem_flags flags {0};
flags |= CL_MEM_USE_HOST_PTR;
flags |= CL_MEM_READ_ONLY;
int err {CL_SUCCESS};
handle = clCreateBuffer(primary, flags, ircd::size(buf), mutable_cast(ircd::data(buf)), &err);
throw_on_error(err);
}