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76 lines
2.2 KiB
76 lines
2.2 KiB
//
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// cl2.hpp
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// XcodeOpenCL
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//
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// Created by Joshua Moerman on 28/03/14.
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//
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//
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#ifndef XcodeOpenCL_cl2_hpp
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#define XcodeOpenCL_cl2_hpp
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#include "cl.hpp"
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#include <cassert>
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#include <iostream>
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// debugging tool
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static void check(cl_int err){
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assert(err == CL_SUCCESS);
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}
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// simple variadic wrapper for kernels/arguments (1D)
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struct KernelOp{
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KernelOp(const cl::Program& program, const char* name, cl_int* err)
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: kernel(program, name, err)
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{}
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template <typename... Args>
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cl_int operator()(cl::CommandQueue & queue, size_t W, size_t H, Args&&... args){
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return apply(queue, W, H, 0, std::forward<Args>(args)...);
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}
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private:
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cl::Kernel kernel;
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template <typename T, typename... Args>
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cl_int apply(cl::CommandQueue & queue, size_t W, size_t H, cl_uint n, T&& t, Args&&... args){
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check(kernel.setArg(n, t));
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return apply(queue, W, H, n+1, std::forward<Args>(args)...);
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}
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cl_int apply(cl::CommandQueue & queue, size_t W, size_t H, size_t){
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return queue.enqueueNDRangeKernel(kernel, cl::NullRange, cl::NDRange(W, H), cl::NullRange);
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}
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};
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// We need to put the op<<'s in namespace cl (ADL)
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namespace cl {
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std::ostream& operator<<(std::ostream& out, Platform const & platform){
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return out << platform.getInfo<CL_PLATFORM_NAME>() << ", " << platform.getInfo<CL_PLATFORM_VERSION>();
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}
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std::ostream& operator<<(std::ostream& out, Device const & device){
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out << device.getInfo<CL_DEVICE_NAME>() << ", " << device.getInfo<CL_DEVICE_VERSION>() << ", " << device.getInfo<CL_DRIVER_VERSION>();
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return out;
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}
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std::ostream& operator<<(std::ostream& out, Context const & context){
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Platform p;
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context.getInfo(CL_CONTEXT_PLATFORM, &p);
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out << "Platform:\t" << p << '\n';
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auto devices = context.getInfo<CL_CONTEXT_DEVICES>();
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out << "Number of devices:\t" << devices.size() << '\n';
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int i = 0;
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for(auto&& d : devices){
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out << ++i << "\t" << d << '\n';
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}
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return out;
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}
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std::ostream& operator<<(std::ostream& out, Program const & program){
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return out << "Kernels in program:\t" << program.getInfo<CL_PROGRAM_KERNEL_NAMES>();
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}
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}
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#endif
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