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/** If null, OpenCL is not available on this machine. */
static final DynamicLibraryBundle dynamicLookupHelper;
protected static final CLProcAddressTable addressTable;
static {
addressTable = new CLProcAddressTable();
dynamicLookupHelper = AccessController.doPrivileged(new PrivilegedAction<DynamicLibraryBundle>() {
public DynamicLibraryBundle run() {
final DynamicLibraryBundle bundle = new DynamicLibraryBundle(new CLDynamicLibraryBundleInfo());
if(!bundle.isToolLibLoaded()) {
// couldn't load native CL library
// TODO: log this?
return null;
}
if(!bundle.isLibComplete()) {
// couldn't load native CL/JNI glue library
// TODO: log this?
return null;
}
addressTable.reset(bundle);
if( !initializeImpl() ) {
throw new RuntimeException("Initialization failure");
}
return bundle;
} } );
}
/**
* Accessor.
* @returns true if OpenCL is available on this machine.
*/
public static boolean isAvailable() { return dynamicLookupHelper != null; }
public static CLProcAddressTable getCLProcAddressTable() { return addressTable; }
static long clGetExtensionFunctionAddress(long clGetExtensionFunctionAddressHandle, java.lang.String procname)
{
if (clGetExtensionFunctionAddressHandle == 0) {
throw new RuntimeException("Passed null pointer for method \"clGetExtensionFunctionAddress\"");
}
return dispatch_clGetExtensionFunctionAddressStatic(procname, clGetExtensionFunctionAddressHandle);
}
public CLAbstractImpl() {
}
/** Entry point (through function pointer) to C language function: <br> <code> void* clGetExtensionFunctionAddress(const char * fname); </code> */
long clGetExtensionFunctionAddress(String fname) {
final long __addr_ = addressTable._addressof_clGetExtensionFunctionAddress;
if (__addr_ == 0) {
throw new UnsupportedOperationException("Method \"clGetExtensionFunctionAddress\" not available");
}
return dispatch_clGetExtensionFunctionAddressStatic(fname, __addr_);
}
/** Entry point (through function pointer) to C language function: <br> <code> void* clGetExtensionFunctionAddress(const char * fname); </code> */
private static native long dispatch_clGetExtensionFunctionAddressStatic(String fname, long procAddress);
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