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 clone(VrState src)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 createOutputAllocation(Surface surface, int w, int h)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 copyData(VrState src)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 destroyScreenAllocation()119 public void destroyScreenAllocation() { 120 Log.v(LOGTAG, "destroyScreenAllocation"); 121 if (mScrAllocation != null) { 122 mScrAllocation.destroy(); 123 mScrAllocation = null; 124 } 125 } 126 } 127