1 files changed, 83 insertions, 0 deletions
diff --git a/java/tests/ImageProcessing_jb/src/com/android/rs/image/Histogram.java b/java/tests/ImageProcessing_jb/src/com/android/rs/image/Histogram.java
new file mode 100644
index 00000000..0106c2ec
--- /dev/null
+++ b/java/tests/ImageProcessing_jb/src/com/android/rs/image/Histogram.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2013 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.android.rs.imagejb;
+
+import java.lang.Math;
+
+import android.renderscript.*;
+import android.util.Log;
+
+public class Histogram extends TestBase {
+    private ScriptC_histogram mScript;
+    private ScriptIntrinsicHistogram mHist;
+    private Allocation mSum;
+    private Allocation mSums;
+    private boolean mUseIntrinsic;
+
+    public Histogram(boolean useIntrisic) {
+        mUseIntrinsic = useIntrisic;
+    }
+
+
+    public void createTest(android.content.res.Resources res) {
+        mScript = new ScriptC_histogram(mRS);
+        mHist = ScriptIntrinsicHistogram.create(mRS, Element.U8_4(mRS));
+
+        int w = mInPixelsAllocation.getType().getX();
+        int h = mInPixelsAllocation.getType().getY();
+        int step = 8;
+        int steps = (h + step - 1) / step;
+
+        mScript.set_gWidth(w);
+        mScript.set_gHeight(h);
+        mScript.set_gStep(step);
+        mScript.set_gSteps(steps);
+
+        Type.Builder tb = new Type.Builder(mRS, Element.I32(mRS));
+        tb.setX(256).setY(steps);
+        Type t = tb.create();
+        mSums = Allocation.createTyped(mRS, t);
+        mSum = Allocation.createSized(mRS, Element.I32(mRS), 256);
+
+        mScript.set_gSums(mSums);
+        mScript.set_gSum(mSum);
+        mScript.set_gSrc(mInPixelsAllocation);
+        mScript.set_gDest(mOutPixelsAllocation);
+
+        mScript.forEach_clear(mOutPixelsAllocation);
+    }
+
+
+
+    public void runTest() {
+        Script.LaunchOptions lo = new Script.LaunchOptions();
+
+        if (mUseIntrinsic) {
+            mHist.setOutput(mSum);
+            mHist.forEach_Dot(mInPixelsAllocation);
+        } else {
+            lo.setX(0, 1);
+            mScript.forEach_pass1(mSums, lo);
+            mScript.forEach_pass2(mSum);
+        }
+
+        mScript.invoke_rescale();
+        lo.setX(0, 1024);
+        mScript.forEach_draw(mOutPixelsAllocation, lo);
+    }
+
+}