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/*
**
** Copyright 2012, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
package android.opengl;
/**
* Base class for wrapped EGL objects.
*
*/
public abstract class EGLObjectHandle {
private final long mHandle;
/**
* @deprecated Use {@link #EGLObjectHandle(long)} instead. Handles
* on 64 bit platforms will be wider than java ints.
*/
@Deprecated
protected EGLObjectHandle(int handle) {
mHandle = handle;
}
protected EGLObjectHandle(long handle) {
mHandle = handle;
}
/**
* @deprecated Use {@link #getNativeHandle()} instead. Handles on
* 64 bit platforms will be wider than java ints.
*/
@Deprecated
public int getHandle() {
if ((mHandle & 0xffffffffL) != mHandle) {
throw new UnsupportedOperationException();
}
return (int)mHandle;
}
/**
* Returns the native handle of the wrapped EGL object. This handle can be
* cast to the corresponding native type on the native side.
*
* For example, EGLDisplay dpy = (EGLDisplay)handle;
*
* @return the native handle of the wrapped EGL object.
*/
public long getNativeHandle() {
return mHandle;
}
@Override
public int hashCode() {
/*
* Based on the algorithm suggested in
* http://developer.android.com/reference/java/lang/Object.html
*/
int result = 17;
result = 31 * result + (int) (mHandle ^ (mHandle >>> 32));
return result;
}
}
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