107 lines
2.1 KiB
C++
107 lines
2.1 KiB
C++
#include "isaac/driver/kernel.h"
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#include "isaac/driver/buffer.h"
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#include <iostream>
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namespace isaac
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{
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namespace driver
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{
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Kernel::Kernel(Program const & program, const char * name) : backend_(program.backend_), address_bits_(program.context().device().address_bits()), h_(backend_, true)
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{
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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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cu_params_store_.reserve(32);
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cu_params_.reserve(32);
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cuda::check(cuModuleGetFunction(h_.cu.get(), *program.h_.cu, name));\
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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() = clCreateKernel(program.h_.cl(), name, &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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void Kernel::setArg(unsigned int index, std::size_t size, void* ptr)
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{
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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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if(index + 1> cu_params_store_.size())
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{
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cu_params_store_.resize(index+1);
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cu_params_.resize(index+1);
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}
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cu_params_store_[index].reset(malloc(size), free);
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memcpy(cu_params_store_[index].get(), ptr, size);
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cu_params_[index] = cu_params_store_[index].get();
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break;
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#endif
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case OPENCL:
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ocl::check(clSetKernelArg(h_.cl(), index, size, ptr));
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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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void Kernel::setArg(unsigned int index, Buffer const & data)
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{
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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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{
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setArg(index, sizeof(CUdeviceptr), data.h_.cu.get()); break;
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}
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#endif
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case OPENCL:
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ocl::check(clSetKernelArg(h_.cl(), index, sizeof(cl_mem), (void*)&data.h_.cl()));
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break;
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default: throw;
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}
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}
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void Kernel::setSizeArg(unsigned int index, size_t N)
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{
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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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{
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int NN = N;
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setArg(index, sizeof(int), &NN);
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break;
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}
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#endif
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case OPENCL:
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if(address_bits_==32){
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cl_int NN = N;
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ocl::check(clSetKernelArg(h_.cl(), index, 4, &NN));
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}
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else if(address_bits_==64)
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{
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cl_long NN = N;
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ocl::check(clSetKernelArg(h_.cl(), index, 8, &NN));
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}
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else
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throw;
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break;
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default: throw;
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}
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}
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}
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}
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