74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
#include <iostream>
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#include "isaac/driver/context.h"
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#include "helpers/ocl/infos.hpp"
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#include "isaac/driver/program.h"
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#include "isaac/tools/getenv.hpp"
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namespace isaac
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{
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namespace driver
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{
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void Context::init_cache_path()
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{
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#ifndef ANDROID
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#ifdef _MSC_VER
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char* cache_path = 0;
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std::size_t sz = 0;
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_dupenv_s(&cache_path, &sz, "ISAAC_CACHE_PATH");
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#else
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const char * cache_path = std::getenv("ISAAC_CACHE_PATH");
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#endif
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if (cache_path)
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cache_path_ = cache_path;
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else
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#endif
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cache_path_ = "";
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}
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Context::Context(cl_context const & context, bool take_ownership) : backend_(OPENCL), device_(ocl::info<CL_CONTEXT_DEVICES>(context)[0], false), cache_path_(tools::getenv("ISAAC_CACHE_PATH")), h_(backend_, take_ownership)
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{
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init_cache_path();
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h_.cl() = context;
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}
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Context::Context(Device const & device) : backend_(device.backend_), device_(device), cache_path_(tools::getenv("ISAAC_CACHE_PATH")), h_(backend_, true)
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{
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init_cache_path();
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switch(backend_)
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{
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#ifdef ISAAC_WITH_CUDA
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case CUDA:
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cuda::check(cuCtxCreate(h_.cu.get(), CU_CTX_SCHED_AUTO, *device.h_.cu));
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break;
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#endif
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case OPENCL:
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cl_int err;
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h_.cl() = clCreateContext(NULL, 1, &device_.h_.cl(), NULL, NULL, &err);
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ocl::check(err);
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break;
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default:
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throw;
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}
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}
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bool Context::operator==(Context const & other) const
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{
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return h_==other.h_;
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}
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bool Context::operator<(Context const & other) const
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{
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return h_<other.h_;
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}
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Device const & Context::device() const
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{ return device_; }
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backend_type Context::backend() const
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{ return backend_; }
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}
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}
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