[driver] added driver source code from isaac repository

lib/driver/kernel.cpp

@@ -0,0 +1,67 @@
+/* Copyright 2015-2017 Philippe Tillet
+* 
+* Permission is hereby granted, free of charge, to any person obtaining 
+* a copy of this software and associated documentation files 
+* (the "Software"), to deal in the Software without restriction, 
+* including without limitation the rights to use, copy, modify, merge, 
+* publish, distribute, sublicense, and/or sell copies of the Software, 
+* and to permit persons to whom the Software is furnished to do so, 
+* subject to the following conditions:
+* 
+* The above copyright notice and this permission notice shall be 
+* included in all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <iostream>
+#include <cstring>
+
+#include "driver/kernel.h"
+#include "driver/buffer.h"
+
+namespace tdl
+{
+
+namespace driver
+{
+
+Kernel::Kernel(Module const & program, const char * name) : program_(program), address_bits_(program.context().device().address_bits()){
+  cu_params_store_.reserve(64);
+  cu_params_.reserve(64);
+  dispatch::cuModuleGetFunction(&*cu_, program, name);
+}
+
+void Kernel::setArg(unsigned int index, std::size_t size, void* ptr){
+  if(index + 1> cu_params_store_.size()){
+    cu_params_store_.resize(index+1);
+    cu_params_.resize(index+1);
+  }
+  cu_params_store_[index].reset(malloc(size), free);
+  memcpy(cu_params_store_[index].get(), ptr, size);
+  cu_params_[index] = cu_params_store_[index].get();
+}
+
+void Kernel::setArg(unsigned int index, Buffer const & data)
+{ return setArg(index, (CUdeviceptr)data);}
+
+void* const* Kernel::cu_params() const
+{ return cu_params_.data(); }
+
+Handle<CUfunction> const & Kernel::cu() const
+{ return cu_; }
+
+Module const & Kernel::module() const
+{ return program_; }
+
+
+}
+
+}
+