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/*
* Copyright (C) 2011 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 com.android.fbotest;
import android.renderscript.RSSurfaceView;
import android.renderscript.RenderScriptGL;
import android.content.Context;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.ScaleGestureDetector;
import android.util.Log;
public class FBOSyncView extends RSSurfaceView {
private RenderScriptGL mRS;
private FBOSyncRS mRender;
private ScaleGestureDetector mScaleDetector;
private static final int INVALID_POINTER_ID = -1;
private int mActivePointerId = INVALID_POINTER_ID;
public FBOSyncView(Context context) {
super(context);
ensureRenderScript();
mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
}
private void ensureRenderScript() {
if (mRS == null) {
RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
sc.setDepth(16, 24);
mRS = createRenderScriptGL(sc);
mRender = new FBOSyncRS();
mRender.init(mRS, getResources());
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
ensureRenderScript();
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
super.surfaceChanged(holder, format, w, h);
mRender.surfaceChanged();
}
@Override
protected void onDetachedFromWindow() {
mRender = null;
if (mRS != null) {
mRS = null;
destroyRenderScriptGL();
}
}
public void loadA3DFile(String path) {
mRender.loadA3DFile(path);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
mScaleDetector.onTouchEvent(ev);
boolean ret = false;
float x = ev.getX();
float y = ev.getY();
final int action = ev.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN: {
mRender.onActionDown(x, y);
mActivePointerId = ev.getPointerId(0);
ret = true;
break;
}
case MotionEvent.ACTION_MOVE: {
if (!mScaleDetector.isInProgress()) {
mRender.onActionMove(x, y);
}
mRender.onActionDown(x, y);
ret = true;
break;
}
case MotionEvent.ACTION_UP: {
mActivePointerId = INVALID_POINTER_ID;
break;
}
case MotionEvent.ACTION_CANCEL: {
mActivePointerId = INVALID_POINTER_ID;
break;
}
case MotionEvent.ACTION_POINTER_UP: {
final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK)
>> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
x = ev.getX(newPointerIndex);
y = ev.getY(newPointerIndex);
mRender.onActionDown(x, y);
mActivePointerId = ev.getPointerId(newPointerIndex);
}
break;
}
}
return ret;
}
private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener {
@Override
public boolean onScale(ScaleGestureDetector detector) {
mRender.onActionScale(detector.getScaleFactor());
return true;
}
}
}
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