1 files changed, 126 insertions, 0 deletions
diff --git a/java/tests/VrDemo/src/com/example/android/rs/vr/engine/VrState.java b/java/tests/VrDemo/src/com/example/android/rs/vr/engine/VrState.java
new file mode 100644
index 00000000..1ac57383
--- /dev/null
+++ b/java/tests/VrDemo/src/com/example/android/rs/vr/engine/VrState.java
@@ -0,0 +1,126 @@
+/*
+ * 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.graphics.SurfaceTexture;
+import android.renderscript.Allocation;
+import android.renderscript.Element;
+import android.renderscript.RenderScript;
+import android.renderscript.Type;
+import android.util.Log;
+import android.view.Surface;
+
+public class VrState {
+    private static final String LOGTAG = "VrState";
+    public RenderScript mRs;
+    public Volume mVolume;
+    public RsBrickedBitMask mRsMask;
+    public Material mMaterial = new Material();
+    public Cube mCubeVolume;
+    public TriData mCubeScreen;
+    public int mImgWidth;
+    public int mImgHeight;
+    Allocation mzRangeFullAllocation;
+    public Allocation mScrAllocation; // the RGB data out
+    public Transform mTransform = new Transform();
+
+    public void clone(VrState src) {
+        mRs = src.mRs;
+        mVolume = src.mVolume;
+        mRsMask = src.mRsMask;
+        mMaterial = src.mMaterial;
+        if (mCubeVolume == null) {
+            mCubeVolume = new Cube();
+        }
+        mCubeVolume.clone(src.mCubeVolume);
+        mCubeScreen = new TriData(src.mCubeScreen);
+        mImgWidth = src.mImgWidth;
+        mImgHeight = src.mImgHeight;
+        mzRangeFullAllocation = src.mzRangeFullAllocation;
+        mScrAllocation = src.mScrAllocation;
+        mTransform.clone(src.mTransform);
+    }
+
+    public void createOutputAllocation(Surface surface, int w, int h) {
+
+        if (mRs == null) {
+            return;
+        }
+
+        if (mScrAllocation == null
+                || mScrAllocation.getType().getX() != w
+                || mScrAllocation.getType().getY() != h) {
+            if (mScrAllocation != null) {
+                mScrAllocation.destroy();
+                mScrAllocation = null;
+                Log.v(LOGTAG, " destroy mScrAllocation");
+            }
+            Type.Builder b = new Type.Builder(mRs, Element.RGBA_8888(mRs));
+            b.setX(w);
+            b.setY(h);
+
+            mScrAllocation = Allocation.createTyped(mRs, b.create(),
+                    Allocation.USAGE_IO_OUTPUT | Allocation.USAGE_SCRIPT);
+
+        }
+        mScrAllocation.setSurface(surface);
+
+        if (mzRangeFullAllocation == null
+                || mzRangeFullAllocation.getType().getX() != w
+                || mzRangeFullAllocation.getType().getY() != h) {
+            if (mzRangeFullAllocation != null) {
+                mzRangeFullAllocation.destroy();
+                mzRangeFullAllocation = null;
+                Log.v(LOGTAG, " destroy mzRangeFullAllocation");
+
+            }
+            Type.Builder b = new Type.Builder(mRs, Element.F32_2(mRs));
+            b.setX(w);
+            b.setY(h);
+
+            mzRangeFullAllocation = Allocation.createTyped(mRs, b.create());
+        }
+
+        mImgWidth = w;
+        mImgHeight = h;
+        mTransform.setScreenDim(w, h);
+    }
+
+    public void copyData(VrState src) {
+        mRs = src.mRs;
+        mVolume = src.mVolume;
+        mRsMask = src.mRsMask;
+        mMaterial = src.mMaterial;
+        if (mCubeVolume == null) {
+            mCubeVolume = new Cube();
+        }
+        mCubeVolume.clone(src.mCubeVolume);
+        mCubeScreen = new TriData(src.mCubeScreen); // TODO I should not have to do new each time
+        mImgWidth = src.mImgWidth;
+        mImgHeight = src.mImgHeight;
+        mTransform.clone(src.mTransform);
+
+    }
+
+    public void destroyScreenAllocation() {
+        Log.v(LOGTAG, "destroyScreenAllocation");
+        if (mScrAllocation != null) {
+            mScrAllocation.destroy();
+            mScrAllocation = null;
+        }
+    }
+}