private int getString(long object, int arg, int param_name, APIBuffer __buffer) {
// Get string length
int errcode = get(object, arg, param_name, 0, NULL, __buffer.address());
if (DEBUG) checkCLError(errcode);
int bytes = (int) __buffer.pointerValue(0);
__buffer.bufferParam(bytes + POINTER_SIZE);
// Get string
errcode = get(object, arg, param_name, bytes, __buffer.address(), NULL);
if (DEBUG) checkCLError(errcode);
return bytes - 1; // all OpenCL char[] parameters are null-terminated
}
/** Single return value version of: {@link #glGetBufferPointerv GetBufferPointerv} */
public static long glGetBufferPointer(int target, int pname) {
APIBuffer __buffer = apiBuffer();
int params = __buffer.pointerParam();
nglGetBufferPointerv(target, pname, __buffer.address(params));
return __buffer.pointerValue(params);
}
/**
* Returns the pointer value for the specified {@code param_name}.
*
* <p>This method should also be used for integer parameters that may be 32 or 64 bits (e.g.
* {@code size_t}).
*
* @param object the object to query
* @param arg an integer argument
* @param param_name the parameter to query
* @return the parameter's pointer value
*/
long getPointer(long object, int arg, int param_name) {
APIBuffer __buffer = apiBuffer();
int errcode = get(object, arg, param_name, POINTER_SIZE, __buffer.address(), NULL);
if (DEBUG) checkCLError(errcode);
return __buffer.pointerValue(0);
}