1 /* 2 * Copyright (C) 2008 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.android.modelviewer; 18 19 import java.io.Writer; 20 import java.util.Map; 21 import java.util.Vector; 22 23 import android.content.res.Resources; 24 import android.renderscript.*; 25 import android.renderscript.Element.Builder; 26 import android.renderscript.Font.Style; 27 import android.renderscript.ProgramStore.DepthFunc; 28 import android.util.Log; 29 30 31 public class SceneGraphRS { 32 33 private final int STATE_LAST_FOCUS = 1; 34 35 int mWidth; 36 int mHeight; 37 int mRotation; 38 SceneGraphRS()39 public SceneGraphRS() { 40 } 41 init(RenderScriptGL rs, Resources res, int width, int height)42 public void init(RenderScriptGL rs, Resources res, int width, int height) { 43 mRS = rs; 44 mRes = res; 45 mWidth = width; 46 mHeight = height; 47 mRotation = 0; 48 initRS(); 49 } 50 51 private Resources mRes; 52 private RenderScriptGL mRS; 53 private Sampler mSampler; 54 private ProgramStore mPSBackground; 55 private ProgramFragment mPFBackground; 56 private ProgramVertex mPVBackground; 57 private ProgramVertexFixedFunction.Constants mPVA; 58 59 private Allocation mGridImage; 60 private Allocation mAllocPV; 61 62 private Mesh mMesh; 63 64 private Font mItalic; 65 private Allocation mTextAlloc; 66 67 private ScriptC_scenegraph mScript; 68 private ScriptC_transform mTransformScript; 69 70 int mLastX; 71 int mLastY; 72 touchEvent(int x, int y)73 public void touchEvent(int x, int y) { 74 int dx = mLastX - x; 75 if (Math.abs(dx) > 50 || Math.abs(dx) < 3) { 76 dx = 0; 77 } 78 79 mRotation -= dx; 80 if (mRotation > 360) { 81 mRotation -= 360; 82 } 83 if (mRotation < 0) { 84 mRotation += 360; 85 } 86 87 mScript.set_gRotate(-(float)mRotation); 88 89 mLastX = x; 90 mLastY = y; 91 } 92 initPFS()93 private void initPFS() { 94 ProgramStore.Builder b = new ProgramStore.Builder(mRS); 95 96 b.setDepthFunc(ProgramStore.DepthFunc.LESS); 97 b.setDitherEnabled(false); 98 b.setDepthMaskEnabled(true); 99 mPSBackground = b.create(); 100 101 mScript.set_gPFSBackground(mPSBackground); 102 } 103 initPF()104 private void initPF() { 105 Sampler.Builder bs = new Sampler.Builder(mRS); 106 bs.setMinification(Sampler.Value.LINEAR); 107 bs.setMagnification(Sampler.Value.LINEAR); 108 bs.setWrapS(Sampler.Value.CLAMP); 109 bs.setWrapT(Sampler.Value.CLAMP); 110 mSampler = bs.create(); 111 112 ProgramFragmentFixedFunction.Builder b = new ProgramFragmentFixedFunction.Builder(mRS); 113 b.setTexture(ProgramFragmentFixedFunction.Builder.EnvMode.REPLACE, 114 ProgramFragmentFixedFunction.Builder.Format.RGBA, 0); 115 mPFBackground = b.create(); 116 mPFBackground.bindSampler(mSampler, 0); 117 118 mScript.set_gPFBackground(mPFBackground); 119 } 120 initPV()121 private void initPV() { 122 ProgramVertexFixedFunction.Builder pvb = new ProgramVertexFixedFunction.Builder(mRS); 123 mPVBackground = pvb.create(); 124 125 mPVA = new ProgramVertexFixedFunction.Constants(mRS); 126 ((ProgramVertexFixedFunction)mPVBackground).bindConstants(mPVA); 127 128 mScript.set_gPVBackground(mPVBackground); 129 } 130 loadImage()131 private void loadImage() { 132 mGridImage = Allocation.createFromBitmapResource(mRS, mRes, R.drawable.robot, 133 Allocation.MipmapControl.MIPMAP_ON_SYNC_TO_TEXTURE, 134 Allocation.USAGE_GRAPHICS_TEXTURE); 135 mScript.set_gTGrid(mGridImage); 136 } 137 initTextAllocation()138 private void initTextAllocation() { 139 String allocString = "Displaying file: R.raw.robot"; 140 mTextAlloc = Allocation.createFromString(mRS, allocString, Allocation.USAGE_SCRIPT); 141 mScript.set_gTextAlloc(mTextAlloc); 142 } 143 144 SgTransform mRootTransform; 145 SgTransform mGroup1; 146 147 SgTransform mRobot1; 148 SgTransform mRobot2; 149 initTransformHierarchy()150 void initTransformHierarchy() { 151 mRootTransform = new SgTransform(mRS); 152 153 mGroup1 = new SgTransform(mRS); 154 mRootTransform.addChild(mGroup1); 155 156 mRobot1 = new SgTransform(mRS); 157 mRobot2 = new SgTransform(mRS); 158 159 mGroup1.addChild(mRobot1); 160 mGroup1.addChild(mRobot2); 161 162 mGroup1.setTransform(0, new Float4(0.0f, 0.0f, -15.0f, 0.0f), TransformType.TRANSLATE); 163 mGroup1.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, 15.0f), TransformType.ROTATE); 164 165 mRobot1.setTransform(0, new Float4(-3.0f, -0.5f, 0.0f, 0.0f), TransformType.TRANSLATE); 166 mRobot1.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, 20.0f), TransformType.ROTATE); 167 mRobot1.setTransform(2, new Float4(0.2f, 0.2f, 0.2f, 0.0f), TransformType.SCALE); 168 169 mRobot2.setTransform(0, new Float4(3.0f, 0.0f, 0.0f, 0.0f), TransformType.TRANSLATE); 170 mRobot2.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, -20.0f), TransformType.ROTATE); 171 mRobot2.setTransform(2, new Float4(0.3f, 0.3f, 0.3f, 0.0f), TransformType.SCALE); 172 } 173 initRS()174 private void initRS() { 175 176 mScript = new ScriptC_scenegraph(mRS, mRes, R.raw.scenegraph); 177 mTransformScript = new ScriptC_transform(mRS, mRes, R.raw.transform); 178 mTransformScript.set_transformScript(mTransformScript); 179 180 mScript.set_gTransformRS(mTransformScript); 181 182 initPFS(); 183 initPF(); 184 initPV(); 185 186 loadImage(); 187 188 FileA3D model = FileA3D.createFromResource(mRS, mRes, R.raw.robot); 189 FileA3D.IndexEntry entry = model.getIndexEntry(0); 190 if (entry == null || entry.getEntryType() != FileA3D.EntryType.MESH) { 191 Log.e("rs", "could not load model"); 192 } else { 193 mMesh = (Mesh)entry.getObject(); 194 mScript.set_gTestMesh(mMesh); 195 } 196 197 mItalic = Font.create(mRS, mRes, "serif", Font.Style.ITALIC, 8); 198 mScript.set_gItalic(mItalic); 199 200 initTextAllocation(); 201 202 initTransformHierarchy(); 203 204 mScript.bind_gRootNode(mRootTransform.getField()); 205 206 mScript.bind_gGroup(mGroup1.mParent.mChildField); 207 mScript.bind_gRobot1(mRobot1.mParent.mChildField); 208 mScript.set_gRobot1Index(mRobot1.mIndexInParentGroup); 209 mScript.bind_gRobot2(mRobot2.mParent.mChildField); 210 mScript.set_gRobot2Index(mRobot2.mIndexInParentGroup); 211 212 mRS.bindRootScript(mScript); 213 } 214 } 215 216 217 218