Making readFile Function and minor qDebug() changes

main.cpp

@@ -7,51 +7,53 @@
 #include <CL/cl2.hpp>
 #include <QDebug>
 
+QString readFile(const QString& directory)
+{
+    QFile cl_file(directory);
+    if(!cl_file.open(QIODevice::ReadOnly))
+    {
+        qDebug() << cl_file.errorString();
+        return QString("");
+    }
+    QString script = cl_file.readAll();
+    cl_file.close();
+    return script;
+}
+
+/*********************************************************************************************************************/
 int main(int argc, char* argv[])
 {
     QCoreApplication a(argc, argv);
 
     std::vector<cl::Platform> all_platforms;
     cl::Platform::get(&all_platforms);
-
-    qDebug() << "Number of platforms found:" << all_platforms.size();
-
+    qDebug() << "- Number of platforms found: " << all_platforms.size();
     foreach(auto platform, all_platforms)
     {
-        qDebug() << platform.getInfo<CL_PLATFORM_NAME>().data();
+        qDebug() << "- Platform name: " << platform.getInfo<CL_PLATFORM_NAME>().data();
     }
 
     std::vector<cl::Device> all_devices;
     all_platforms.front().getDevices(CL_DEVICE_TYPE_GPU, &all_devices);
-
     foreach(auto device, all_devices)
     {
-        qDebug() << device.getInfo<CL_DEVICE_NAME>().data();
+        qDebug() << "- Device Info: " << device.getInfo<CL_DEVICE_NAME>().data();
     }
 
     cl::Context main_context(all_devices.front());
 
-    QFile cl_file("../OpenCL/test1.cl");
-    if(!cl_file.open(QIODevice::ReadOnly))
-    {
-        qDebug() << cl_file.errorString();
-    }
-    auto script = cl_file.readAll();
-    qDebug() << script;
-    cl_file.close();
-
+    auto script = readFile("../OpenCL/test1.cl");
     cl_int error;
     cl::Program program(main_context, script.toStdString(), CL_TRUE, &error);
-    qDebug() << error;
+    qDebug() << "Program error code: " << error;
 
     cl::Kernel kernel(program, "myVeryFirstFinction", &error);
-    qDebug() << error;
+    qDebug() << "Kernel error code: " << error;
 
     cl::KernelFunctor<> Functor(kernel);
-
     cl::CommandQueue queue(main_context, all_devices.front());
-    cl::EnqueueArgs enargs(queue, cl::NDRange(5));
-
+    cl::NDRange range(5,2);
+    cl::EnqueueArgs enargs(queue, range);
     Functor(enargs);
 
     return a.exec();