1 files changed, 97 insertions, 0 deletions
diff --git a/java/tests/VrDemo/src/com/example/android/rs/vr/engine/RsBrickedBitMask.java b/java/tests/VrDemo/src/com/example/android/rs/vr/engine/RsBrickedBitMask.java
new file mode 100644
index 00000000..a9495ce4
--- /dev/null
+++ b/java/tests/VrDemo/src/com/example/android/rs/vr/engine/RsBrickedBitMask.java
@@ -0,0 +1,97 @@
+/*
+ * 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);
+    }
+}