Home | History | Annotate | Download | only in engine 
      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.rs.vr.engine;
     18 
     19 import android.graphics.SurfaceTexture;
     20 import android.renderscript.Allocation;
     21 import android.renderscript.Element;
     22 import android.renderscript.RenderScript;
     23 import android.renderscript.Type;
     24 import android.util.Log;
     25 import android.view.Surface;
     26 
     27 public class VrState {
     28     private static final String LOGTAG = "VrState";
     29     public RenderScript mRs;
     30     public Volume mVolume;
     31     public RsBrickedBitMask mRsMask;
     32     public Material mMaterial = new Material();
     33     public Cube mCubeVolume;
     34     public TriData mCubeScreen;
     35     public int mImgWidth;
     36     public int mImgHeight;
     37     Allocation mzRangeFullAllocation;
     38     public Allocation mScrAllocation; // the RGB data out
     39     public Transform mTransform = new Transform();
     40 
     41     public void clone(VrState src) {
     42         mRs = src.mRs;
     43         mVolume = src.mVolume;
     44         mRsMask = src.mRsMask;
     45         mMaterial = src.mMaterial;
     46         if (mCubeVolume == null) {
     47             mCubeVolume = new Cube();
     48         }
     49         mCubeVolume.clone(src.mCubeVolume);
     50         mCubeScreen = new TriData(src.mCubeScreen);
     51         mImgWidth = src.mImgWidth;
     52         mImgHeight = src.mImgHeight;
     53         mzRangeFullAllocation = src.mzRangeFullAllocation;
     54         mScrAllocation = src.mScrAllocation;
     55         mTransform.clone(src.mTransform);
     56     }
     57 
     58     public void createOutputAllocation(Surface surface, int w, int h) {
     59 
     60         if (mRs == null) {
     61             return;
     62         }
     63 
     64         if (mScrAllocation == null
     65                 || mScrAllocation.getType().getX() != w
     66                 || mScrAllocation.getType().getY() != h) {
     67             if (mScrAllocation != null) {
     68                 mScrAllocation.destroy();
     69                 mScrAllocation = null;
     70                 Log.v(LOGTAG, " destroy mScrAllocation");
     71             }
     72             Type.Builder b = new Type.Builder(mRs, Element.RGBA_8888(mRs));
     73             b.setX(w);
     74             b.setY(h);
     75 
     76             mScrAllocation = Allocation.createTyped(mRs, b.create(),
     77                     Allocation.USAGE_IO_OUTPUT | Allocation.USAGE_SCRIPT);
     78 
     79         }
     80         mScrAllocation.setSurface(surface);
     81 
     82         if (mzRangeFullAllocation == null
     83                 || mzRangeFullAllocation.getType().getX() != w
     84                 || mzRangeFullAllocation.getType().getY() != h) {
     85             if (mzRangeFullAllocation != null) {
     86                 mzRangeFullAllocation.destroy();
     87                 mzRangeFullAllocation = null;
     88                 Log.v(LOGTAG, " destroy mzRangeFullAllocation");
     89 
     90             }
     91             Type.Builder b = new Type.Builder(mRs, Element.F32_2(mRs));
     92             b.setX(w);
     93             b.setY(h);
     94 
     95             mzRangeFullAllocation = Allocation.createTyped(mRs, b.create());
     96         }
     97 
     98         mImgWidth = w;
     99         mImgHeight = h;
    100         mTransform.setScreenDim(w, h);
    101     }
    102 
    103     public void copyData(VrState src) {
    104         mRs = src.mRs;
    105         mVolume = src.mVolume;
    106         mRsMask = src.mRsMask;
    107         mMaterial = src.mMaterial;
    108         if (mCubeVolume == null) {
    109             mCubeVolume = new Cube();
    110         }
    111         mCubeVolume.clone(src.mCubeVolume);
    112         mCubeScreen = new TriData(src.mCubeScreen); // TODO I should not have to do new each time
    113         mImgWidth = src.mImgWidth;
    114         mImgHeight = src.mImgHeight;
    115         mTransform.clone(src.mTransform);
    116 
    117     }
    118 
    119     public void destroyScreenAllocation() {
    120         Log.v(LOGTAG, "destroyScreenAllocation");
    121         if (mScrAllocation != null) {
    122             mScrAllocation.destroy();
    123             mScrAllocation = null;
    124         }
    125     }
    126 }
    127