private static void initCL(CLDevice.Type clType) throws Exception {
/** * Hole OpenCL-Plattformen z.B. AMD APP, NVIDIA CUDA ** */
platforms = JavaCL.listPlatforms();
/** * Hole OpenCL-Device des geforderten Typs z.B. GPU, CPU ** */
EnumSet<CLDevice.Type> types = EnumSet.of(clType);
devices = new ArrayList<CLDevice>();
CLDevice[] devTmp;
for (CLPlatform platform : platforms) {
devTmp = platform.listDevices(types, true);
devices.addAll(Arrays.asList(devTmp));
}
/** * Erstelle OpenCL-Context und CommandQueue ** */
devTmp = new CLDevice[devices.size()];
context = JavaCL.createContext(null, devices.toArray(devTmp));
cmdQ = context.createDefaultQueue(QueueProperties.ProfilingEnable);
/** * OpenCL-Quellcode einlesen ** */
String src = readFile(KERNEL_PATH);
// String src = KERNEL_SRC;
/** * OpenCL-Programm aus Quellcode erstellen ** */
program = context.createProgram(src);
try {
program.build();
} catch (CLBuildException err) {
Logger.logError(CLAZZ, "Build log for \"" + devices.get(0) + "\n" + err.getMessage());
throw err;
}
/** * OpenCL-Kernel laden ** */
kernel = program.createKernel("addVec");
}
