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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.rs.vr.engine;
import android.renderscript.Allocation;
import android.renderscript.RenderScript;
import android.renderscript.Type;
import android.util.Log;
/**
* create bricked binary representation of the non transparent voxels
*/
public class RsBrickedBitMask {
private static final String LOGTAG = "BrickedBitMask";
ScriptC_bricked scriptC_bricked;
int mDimX;
int mDimY;
int mDimZ;
int m_bricks_dimx;
int m_bricks_dimy;
int m_bricks_dimz;
Volume mVolume;
int mBrickCnt = 0;
Allocation mBrick_allocation;
public final static int BSIZE = 32;
public static final byte TYPE_BYTE = 1;
public static final byte TYPE_SHORT = 1;
public static final byte TYPE_INT = 2;
public RsBrickedBitMask(VrState state) {
mVolume = state.mVolume;
mDimX = mVolume.mDimx;
mDimY = mVolume.mDimy;
mDimZ = mVolume.mDimz;
m_bricks_dimx = (mDimX + 31) / 32;
m_bricks_dimy = (mDimY + 31) / 32;
m_bricks_dimz = (mDimZ + 31) / 32;
int maxBrick = m_bricks_dimx * m_bricks_dimy * m_bricks_dimz;
int size = maxBrick * 32 * 32; // divide by 4 because we will try U32_4
Type.Builder b = new Type.Builder(state.mRs, android.renderscript.Element.U32(state.mRs));
b.setX(size);
mBrick_allocation = Allocation.createTyped(state.mRs, b.create(), Allocation.USAGE_SCRIPT);
scriptC_bricked = new ScriptC_bricked(state.mRs);
scriptC_bricked.set_volume(mVolume.mVolumeAllocation);
scriptC_bricked.set_brick_dimx(m_bricks_dimx);
scriptC_bricked.set_brick_dimy(m_bricks_dimy);
scriptC_bricked.set_brick_dimz(m_bricks_dimz);
scriptC_bricked.set_opacity(state.mMaterial.getOpacityAllocation(state.mRs));
state.mRs.finish();
scriptC_bricked.forEach_pack_chunk(mBrick_allocation);
Allocation tmp = Allocation.createTyped(state.mRs, b.create(), Allocation.USAGE_SCRIPT);
scriptC_bricked.set_bricks(mBrick_allocation);
scriptC_bricked.forEach_dilate(mBrick_allocation, tmp);
mBrick_allocation.destroy();
mBrick_allocation = tmp;
}
Allocation createChunkAllocation(RenderScript rs) {
Type.Builder b = new Type.Builder(rs, android.renderscript.Element.U32(rs));
b.setX(mDimX / 8);
b.setY(mDimY);
b.setZ(32);
return Allocation.createTyped(rs, b.create(), Allocation.USAGE_SCRIPT);
}
Allocation createBitChunkAllocation(RenderScript rs) {
Type.Builder b = new Type.Builder(rs, android.renderscript.Element.U8(rs));
b.setX(mDimX / 8);
b.setY(mDimY);
b.setZ(32);
return Allocation.createTyped(rs, b.create(), Allocation.USAGE_SCRIPT);
}
}
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