117 lines
3.0 KiB
C++
Executable File
117 lines
3.0 KiB
C++
Executable File
/* Copyright 2015-2017 Philippe Tillet
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef TDL_INCLUDE_DRIVER_BACKEND_H
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#define TDL_INCLUDE_DRIVER_BACKEND_H
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#include <map>
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#include <list>
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#include <vector>
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namespace tdl
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{
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namespace driver
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{
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class Buffer;
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class Stream;
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class Device;
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class Context;
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class Platform;
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class Module;
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class Kernel;
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struct backend
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{
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class modules
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{
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friend class backend;
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public:
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static void release();
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static Module& get(Stream const & stream, std::string const & name, std::string const &src);
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private:
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static std::map<std::tuple<Stream, std::string>, Module * > cache_;
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};
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class kernels
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{
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friend class backend;
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public:
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static void release();
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static Kernel & get(Module const & program, std::string const & name);
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private:
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static std::map<std::tuple<Module, std::string>, Kernel * > cache_;
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};
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class contexts
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{
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friend class backend;
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private:
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static void init(std::vector<Platform> const &);
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static void release();
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public:
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static Context const & get_default();
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template<class T>
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static Context const & import(T context)
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{
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for(driver::Context const * x: cache_)
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if((T)*x==context)
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return *x;
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cache_.emplace_back(new Context(context, false));
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return *cache_.back();
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}
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static void get(std::list<Context const *> &);
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private:
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static std::list<Context const *> cache_;
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};
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class streams
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{
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friend class backend;
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private:
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static void init(std::list<Context const *> const &);
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static void release();
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public:
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static void get(Context const &, std::vector<Stream *> &streams);
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static Stream & get(Context const &, unsigned int id = 0);
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static Stream & get_default();
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private:
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static std::map< Context, std::vector<Stream*> > cache_;
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};
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static void init();
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static void release();
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static std::vector<Device> devices();
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static std::vector<Platform> platforms();
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static void synchronize(Context const &);
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static unsigned int default_device;
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};
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}
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}
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#endif
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