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      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.renderscript.Matrix3f;
     20 import android.renderscript.Matrix4f;
     21 import android.renderscript.Script;
     22 import android.renderscript.ScriptIntrinsicResize;
     23 import android.util.Log;
     24 
     25 import java.text.DecimalFormat;
     26 
     27 public class VrPipline1 extends BasicPipeline {
     28     private static final String LOGTAG = "VrPipline1";
     29 
     30     float[] mMatrixBuffer = new float[16];
     31     ScriptC_vr scriptC_vr;
     32     ScriptIntrinsicResize script_resize;
     33     Script.LaunchOptions options = new Script.LaunchOptions();
     34 
     35     @Override
     36     public void initBuffers(VrState state) {
     37         super.initBuffers(state);
     38     }
     39 
     40     static DecimalFormat df = new DecimalFormat("      ##0.000");
     41 
     42     private static String trim(double d) {
     43         String s = df.format(d);
     44         return s.substring(s.length() - 6);
     45     }
     46 
     47     private static String trim(float[] d) {
     48         String ret = "";
     49         for (int i = 0; i < d.length; i++) {
     50             ret += ((i == 0) ? "[ " : " , ") + trim(d[i]);
     51         }
     52         return ret + ("]");
     53     }
     54 
     55     private void creatOpacityAllocation(VrState state) {
     56         scriptC_vr.set_opacity(state.mMaterial.getOpacityAllocation(state.mRs));
     57     }
     58 
     59     private void creatColorMapAllocation(VrState state) {
     60         scriptC_vr.set_color_map(state.mMaterial.getColorMapAllocation(state.mRs));
     61     }
     62 
     63     @Override
     64     public void setupTriangles(VrState state) {
     65         super.setupTriangles(state);
     66         if (mCancel){
     67             return;
     68         }
     69         Matrix m = state.mTransform.getMatrix(Transform.SCREEN_SPACE, Transform.VOLUME_SPACE);
     70         m.getAsFloats(mMatrixBuffer);
     71         Matrix4f matrix4f = new Matrix4f(mMatrixBuffer);
     72         if (scriptC_vr == null) {
     73             scriptC_vr = new ScriptC_vr(state.mRs);
     74         }
     75         if (script_resize == null) {
     76             script_resize = ScriptIntrinsicResize.create(state.mRs);
     77         }
     78         scriptC_vr.set_matrix4(matrix4f);
     79         for (int i = 0; i < 9; i++) {
     80             int x = i % 3;
     81             int y = i / 3;
     82             mMatrixBuffer[i] = mMatrixBuffer[x + y * 4];
     83         }
     84         Matrix3f matrix3f = new Matrix3f(mMatrixBuffer);
     85         scriptC_vr.set_matrix3(matrix3f);
     86         creatColorMapAllocation(state);
     87         creatOpacityAllocation(state);
     88         scriptC_vr.invoke_setup_vectors();
     89     }
     90 
     91     @Override
     92     public void raycast(VrState state) {
     93         if (mCancel){
     94             return;
     95         }
     96         scriptC_vr.set_volume(state.mVolume.mVolumeAllocation);
     97         scriptC_vr.set_bricks(state.mRsMask.mBrick_allocation);
     98         scriptC_vr.set_brick_dimx(state.mRsMask.m_bricks_dimx);
     99         scriptC_vr.set_brick_dimy(state.mRsMask.m_bricks_dimy);
    100         if (mCancel){
    101             return;
    102         }
    103         scriptC_vr.set_zbuff(state.mzRangeFullAllocation);
    104         if (mCancel){
    105             return;
    106         }
    107         if (state.mImgWidth*state.mImgHeight < 512*512) {
    108             scriptC_vr.forEach_draw_z_buffer(state.mzRangeFullAllocation, state.mScrAllocation);
    109         } else {
    110             int blocks = state.mImgWidth*state.mImgHeight/(256*256);
    111             for (int i = 0; i < blocks; i++) {
    112                 options.setX(0,state.mImgWidth);
    113                 options.setY(i*state.mImgHeight/blocks, (i+1)*state.mImgHeight/blocks);
    114                 scriptC_vr.forEach_draw_z_buffer(state.mzRangeFullAllocation, state.mScrAllocation, options);
    115                 state.mRs.finish();
    116                 if (mCancel){
    117                     Log.v(LOGTAG, "cancel");
    118                     return;
    119                 }
    120             }
    121 
    122 
    123         }
    124 
    125     }
    126 
    127 }
    128