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.util.Log; 20 21 /** 22 * Base implementation of a rendering pipeline Simply renders a box 23 */ 24 public class BasicPipeline implements Pipeline { 25 boolean mCancel = false; 26 private static final String LOGTAG = "BasicPipeline"; 27 ScriptC_rasterize scriptC_rasterize; 28 29 @Override 30 public void cancel() { 31 mCancel = true; 32 } 33 34 @Override 35 public boolean isCancel() { 36 return mCancel; 37 } 38 39 @Override 40 public void initBuffers(VrState state) { 41 mCancel = false; 42 } 43 44 @Override 45 public void setupTriangles(VrState state) { 46 Matrix m = state.mTransform.getMatrix(Transform.VOLUME_SPACE, Transform.SCREEN_SPACE); 47 state.mCubeVolume.transform(m, state.mCubeScreen); 48 } 49 50 @Override 51 public void rasterizeTriangles(VrState state) { 52 if (scriptC_rasterize == null) { 53 scriptC_rasterize = new ScriptC_rasterize(state.mRs); 54 } 55 scriptC_rasterize.set_index(state.mCubeScreen.mIndex); 56 scriptC_rasterize.set_vert(state.mCubeScreen.mVert); 57 long start = System.nanoTime(); 58 scriptC_rasterize.invoke_setup_triangles(state.mImgWidth, state.mImgHeight); 59 if (mCancel) return; 60 scriptC_rasterize.forEach_render_z(state.mzRangeFullAllocation); 61 state.mRs.finish(); 62 Log.v(LOGTAG,"render triangles "+((System.nanoTime()-start)/1E6f)+" ms"); 63 } 64 65 @Override 66 public void raycast(VrState state) { 67 scriptC_rasterize.set_z_range_buff(state.mzRangeFullAllocation); 68 scriptC_rasterize.forEach_draw_z_buffer(state.mzRangeFullAllocation, state.mScrAllocation); 69 } 70 } 71
