49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
//
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// Created by root on 4/27/21.
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//
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#include "gpu_svo/cl_class.h"
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opencl::opencl() {
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std::vector<cl::Platform> all_platforms;
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cl::Platform::get(&all_platforms);
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if (all_platforms.size() == 0){
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std::cerr << " No platforms found. Check OpenCL installation!\n";
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exit(1);
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}
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//get default device of the default platform
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std::vector<cl::Device> all_devices;
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for(auto i:all_platforms){
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std::cout << "Find platform number:"<< i.getInfo<CL_PLATFORM_NAME>() << "\n";
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i.getDevices(CL_DEVICE_TYPE_GPU, &all_devices);
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}
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if (all_devices.size() == 0){
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std::cout << " No devices found. Check OpenCL installation!\n";
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exit(1);
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}
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device = all_devices[0];
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std::cout << "CL_DEVICE_NAME: " << device.getInfo<CL_DEVICE_NAME>() <<'\n'
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<< "CL_DEVICE_OPENCL_C_VERSION: " <<device.getInfo<CL_DEVICE_OPENCL_C_VERSION>()<<'\n'
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<< "CL_DEVICE_BUILT_IN_KERNELS: " <<device.getInfo<CL_DEVICE_BUILT_IN_KERNELS>()<<'\n'
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<< "CL_DEVICE_COMPILER_AVAILABLE: " <<device.getInfo<CL_DEVICE_COMPILER_AVAILABLE>()<<'\n'
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<< "CL_DEVICE_LOCAL_MEM_SIZE: " <<device.getInfo<CL_DEVICE_LOCAL_MEM_SIZE>()<<'\n'
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<< "CL_DEVICE_GLOBAL_MEM_SIZE: " <<device.getInfo<CL_DEVICE_GLOBAL_MEM_SIZE>()<<'\n';
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context=new cl::Context({ device });
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cl::Program::Sources sources;
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read_cl fast(std::string(KERNEL_DIR)+"/fast-gray.cl");
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sources.push_back({ fast.src_str, fast.size });
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program=new cl::Program(*context, sources);
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if(program->build({ device },"-DFAST_THRESH=40") !=0)
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std::cout << " Error building: " << program->getBuildInfo<CL_PROGRAM_BUILD_STATUS>(device)<<'\n'
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<<program->getBuildInfo<CL_PROGRAM_BUILD_LOG>(device) << '\n';
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queue=new cl::CommandQueue(*context,device,0,NULL);
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}
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opencl::~opencl() {
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}
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void opencl::clear_buf() {
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queue->finish();
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queue->flush();
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_kernels.clear();
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}
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