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82 lines
2.0 KiB
82 lines
2.0 KiB
#include "OpenCLManager.h"
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#include <QDBusConnection>
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#include <iostream>
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OpenCLManager::OpenCLManager()
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{
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connectToDBusSignals();
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initOpenCLResources();
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}
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void OpenCLManager::connectToDBusSignals() {
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QDBusConnection bus = QDBusConnection::systemBus();
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bus.connect(QString(), QString(), "org.freedesktop.login1.Manager", "PrepareForSleep",
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this, SLOT(handleSuspendResume(bool)));
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}
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void OpenCLManager::handleSuspendResume(bool isSuspending) {
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if(isSuspending)
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{
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std::cout << "System is going to suspend. Releasing OpenCL resources..." << std::endl;
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releaseOpenCLResources();
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}
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else
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{
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std::cout << "System has resumed. Reinitializing OpenCL resources..." << std::endl;
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initOpenCLResources();
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}
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}
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void OpenCLManager::initOpenCLResources() {
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cl_int err;
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cl_platform_id platform;
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cl_device_id device;
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err = clGetPlatformIDs(1, &platform, nullptr);
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if(err != CL_SUCCESS)
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{
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std::cerr << "Failed to get OpenCL platform" << std::endl;
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return;
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}
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err = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 1, &device, nullptr);
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if(err != CL_SUCCESS)
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{
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std::cerr << "Failed to get OpenCL device" << std::endl;
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return;
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}
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context = clCreateContext(nullptr, 1, &device, nullptr, nullptr, &err);
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if(err != CL_SUCCESS)
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{
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std::cerr << "Failed to create OpenCL context" << std::endl;
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return;
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}
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commandQueue = clCreateCommandQueue(context, device, 0, &err);
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if(err != CL_SUCCESS)
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{
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std::cerr << "Failed to create OpenCL command queue" << std::endl;
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return;
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}
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std::cout << "OpenCL resources initialized successfully." << std::endl;
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}
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void OpenCLManager::releaseOpenCLResources() {
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if(commandQueue)
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{
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clReleaseCommandQueue(commandQueue);
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commandQueue = nullptr;
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}
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if(context)
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{
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clReleaseContext(context);
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context = nullptr;
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}
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std::cout << "OpenCL resources released." << std::endl;
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}
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