diff --git a/samples/RenderScript/Levels/Android.mk b/samples/RenderScript/Levels/Android.mk
new file mode 100644
index 000000000..dc7a412f3
--- /dev/null
+++ b/samples/RenderScript/Levels/Android.mk
@@ -0,0 +1,26 @@
+#
+# Copyright (C) 2009 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.
+#
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src) $(call all-renderscript-files-under, src)
+
+LOCAL_PACKAGE_NAME := LevelsRS
+
+include $(BUILD_PACKAGE)
diff --git a/samples/RenderScript/Levels/AndroidManifest.xml b/samples/RenderScript/Levels/AndroidManifest.xml
new file mode 100644
index 000000000..393daba6f
--- /dev/null
+++ b/samples/RenderScript/Levels/AndroidManifest.xml
@@ -0,0 +1,26 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/samples/RenderScript/Levels/res/drawable-nodpi/city.png b/samples/RenderScript/Levels/res/drawable-nodpi/city.png
new file mode 100644
index 000000000..856eeff59
Binary files /dev/null and b/samples/RenderScript/Levels/res/drawable-nodpi/city.png differ
diff --git a/samples/RenderScript/Levels/res/layout/main.xml b/samples/RenderScript/Levels/res/layout/main.xml
new file mode 100644
index 000000000..254129ef4
--- /dev/null
+++ b/samples/RenderScript/Levels/res/layout/main.xml
@@ -0,0 +1,140 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/samples/RenderScript/Levels/res/values/strings.xml b/samples/RenderScript/Levels/res/values/strings.xml
new file mode 100644
index 000000000..cc5cc4de9
--- /dev/null
+++ b/samples/RenderScript/Levels/res/values/strings.xml
@@ -0,0 +1,33 @@
+
+
+
+
+
+
+
+ Blur Radius
+ In White
+ Out White
+ In Black
+ Out Black
+ Gamma
+ Saturation
+ Benchmark
+
+
diff --git a/samples/RenderScript/Levels/src/com/android/rs/levels/LevelsDalvikActivity.java b/samples/RenderScript/Levels/src/com/android/rs/levels/LevelsDalvikActivity.java
new file mode 100644
index 000000000..1c718d283
--- /dev/null
+++ b/samples/RenderScript/Levels/src/com/android/rs/levels/LevelsDalvikActivity.java
@@ -0,0 +1,239 @@
+/*
+ * Copyright (C) 2009 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.levels;
+
+import android.app.Activity;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.os.Bundle;
+import android.renderscript.Matrix3f;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.SeekBar;
+import android.widget.TextView;
+
+public class LevelsDalvikActivity extends Activity
+ implements SeekBar.OnSeekBarChangeListener {
+ private final String TAG = "Img";
+ private Bitmap mBitmapIn;
+ private Bitmap mBitmapOut;
+ private float mInBlack = 0.0f;
+ private SeekBar mInBlackSeekBar;
+ private float mOutBlack = 0.0f;
+ private SeekBar mOutBlackSeekBar;
+ private float mInWhite = 255.0f;
+ private SeekBar mInWhiteSeekBar;
+ private float mOutWhite = 255.0f;
+ private SeekBar mOutWhiteSeekBar;
+ private float mGamma = 1.0f;
+ private SeekBar mGammaSeekBar;
+ private float mSaturation = 1.0f;
+ private SeekBar mSaturationSeekBar;
+ private TextView mBenchmarkResult;
+ private ImageView mDisplayView;
+
+ Matrix3f satMatrix = new Matrix3f();
+ float mInWMinInB;
+ float mOutWMinOutB;
+ float mOverInWMinInB;
+
+ int mInPixels[];
+ int mOutPixels[];
+
+ private void setLevels() {
+ mInWMinInB = mInWhite - mInBlack;
+ mOutWMinOutB = mOutWhite - mOutBlack;
+ mOverInWMinInB = 1.f / mInWMinInB;
+ }
+
+ private void setSaturation() {
+ float rWeight = 0.299f;
+ float gWeight = 0.587f;
+ float bWeight = 0.114f;
+ float oneMinusS = 1.0f - mSaturation;
+
+ satMatrix.set(0, 0, oneMinusS * rWeight + mSaturation);
+ satMatrix.set(0, 1, oneMinusS * rWeight);
+ satMatrix.set(0, 2, oneMinusS * rWeight);
+ satMatrix.set(1, 0, oneMinusS * gWeight);
+ satMatrix.set(1, 1, oneMinusS * gWeight + mSaturation);
+ satMatrix.set(1, 2, oneMinusS * gWeight);
+ satMatrix.set(2, 0, oneMinusS * bWeight);
+ satMatrix.set(2, 1, oneMinusS * bWeight);
+ satMatrix.set(2, 2, oneMinusS * bWeight + mSaturation);
+ }
+
+ public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+ if (fromUser) {
+ if (seekBar == mInBlackSeekBar) {
+ mInBlack = (float)progress;
+ setLevels();
+ } else if (seekBar == mOutBlackSeekBar) {
+ mOutBlack = (float)progress;
+ setLevels();
+ } else if (seekBar == mInWhiteSeekBar) {
+ mInWhite = (float)progress + 127.0f;
+ setLevels();
+ } else if (seekBar == mOutWhiteSeekBar) {
+ mOutWhite = (float)progress + 127.0f;
+ setLevels();
+ } else if (seekBar == mGammaSeekBar) {
+ mGamma = (float)progress/100.0f;
+ mGamma = Math.max(mGamma, 0.1f);
+ mGamma = 1.0f / mGamma;
+ } else if (seekBar == mSaturationSeekBar) {
+ mSaturation = (float)progress / 50.0f;
+ setSaturation();
+ }
+
+ filter();
+ mDisplayView.invalidate();
+ }
+ }
+
+ public void onStartTrackingTouch(SeekBar seekBar) {
+ }
+
+ public void onStopTrackingTouch(SeekBar seekBar) {
+ }
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.main);
+
+ mBitmapIn = loadBitmap(R.drawable.city);
+ mBitmapOut = loadBitmap(R.drawable.city);
+
+ mDisplayView = (ImageView) findViewById(R.id.display);
+ mDisplayView.setImageBitmap(mBitmapOut);
+
+ mInBlackSeekBar = (SeekBar)findViewById(R.id.inBlack);
+ mInBlackSeekBar.setOnSeekBarChangeListener(this);
+ mInBlackSeekBar.setMax(128);
+ mInBlackSeekBar.setProgress(0);
+ mOutBlackSeekBar = (SeekBar)findViewById(R.id.outBlack);
+ mOutBlackSeekBar.setOnSeekBarChangeListener(this);
+ mOutBlackSeekBar.setMax(128);
+ mOutBlackSeekBar.setProgress(0);
+
+ mInWhiteSeekBar = (SeekBar)findViewById(R.id.inWhite);
+ mInWhiteSeekBar.setOnSeekBarChangeListener(this);
+ mInWhiteSeekBar.setMax(128);
+ mInWhiteSeekBar.setProgress(128);
+ mOutWhiteSeekBar = (SeekBar)findViewById(R.id.outWhite);
+ mOutWhiteSeekBar.setOnSeekBarChangeListener(this);
+ mOutWhiteSeekBar.setMax(128);
+ mOutWhiteSeekBar.setProgress(128);
+
+ mGammaSeekBar = (SeekBar)findViewById(R.id.inGamma);
+ mGammaSeekBar.setOnSeekBarChangeListener(this);
+ mGammaSeekBar.setMax(150);
+ mGammaSeekBar.setProgress(100);
+
+ mSaturationSeekBar = (SeekBar)findViewById(R.id.inSaturation);
+ mSaturationSeekBar.setOnSeekBarChangeListener(this);
+ mSaturationSeekBar.setProgress(50);
+
+ mBenchmarkResult = (TextView) findViewById(R.id.benchmarkText);
+ mBenchmarkResult.setText("Result: not run");
+
+ mInPixels = new int[mBitmapIn.getHeight() * mBitmapIn.getWidth()];
+ mOutPixels = new int[mBitmapOut.getHeight() * mBitmapOut.getWidth()];
+ mBitmapIn.getPixels(mInPixels, 0, mBitmapIn.getWidth(), 0, 0,
+ mBitmapIn.getWidth(), mBitmapIn.getHeight());
+
+ setLevels();
+ setSaturation();
+ filter();
+ }
+
+ private Bitmap loadBitmap(int resource) {
+ final BitmapFactory.Options options = new BitmapFactory.Options();
+ options.inPreferredConfig = Bitmap.Config.ARGB_8888;
+ Bitmap b = BitmapFactory.decodeResource(getResources(), resource, options);
+ Bitmap b2 = Bitmap.createBitmap(b.getWidth(), b.getHeight(), b.getConfig());
+ Canvas c = new Canvas(b2);
+ c.drawBitmap(b, 0, 0, null);
+ b.recycle();
+ return b2;
+ }
+
+
+
+ private void filter() {
+ final float[] m = satMatrix.getArray();
+
+ for (int i=0; i < mInPixels.length; i++) {
+ float r = (float)(mInPixels[i] & 0xff);
+ float g = (float)((mInPixels[i] >> 8) & 0xff);
+ float b = (float)((mInPixels[i] >> 16) & 0xff);
+
+ float tr = r * m[0] + g * m[3] + b * m[6];
+ float tg = r * m[1] + g * m[4] + b * m[7];
+ float tb = r * m[2] + g * m[5] + b * m[8];
+ r = tr;
+ g = tg;
+ b = tb;
+
+ if (r < 0.f) r = 0.f;
+ if (r > 255.f) r = 255.f;
+ if (g < 0.f) g = 0.f;
+ if (g > 255.f) g = 255.f;
+ if (b < 0.f) b = 0.f;
+ if (b > 255.f) b = 255.f;
+
+ r = (r - mInBlack) * mOverInWMinInB;
+ g = (g - mInBlack) * mOverInWMinInB;
+ b = (b - mInBlack) * mOverInWMinInB;
+
+ if (mGamma != 1.0f) {
+ r = (float)java.lang.Math.pow(r, mGamma);
+ g = (float)java.lang.Math.pow(g, mGamma);
+ b = (float)java.lang.Math.pow(b, mGamma);
+ }
+
+ r = (r * mOutWMinOutB) + mOutBlack;
+ g = (g * mOutWMinOutB) + mOutBlack;
+ b = (b * mOutWMinOutB) + mOutBlack;
+
+ if (r < 0.f) r = 0.f;
+ if (r > 255.f) r = 255.f;
+ if (g < 0.f) g = 0.f;
+ if (g > 255.f) g = 255.f;
+ if (b < 0.f) b = 0.f;
+ if (b > 255.f) b = 255.f;
+
+ mOutPixels[i] = ((int)r) + (((int)g) << 8) + (((int)b) << 16)
+ + (mInPixels[i] & 0xff000000);
+ }
+
+ mBitmapOut.setPixels(mOutPixels, 0, mBitmapOut.getWidth(), 0, 0,
+ mBitmapOut.getWidth(), mBitmapOut.getHeight());
+ }
+
+ public void benchmark(View v) {
+ filter();
+ long t = java.lang.System.currentTimeMillis();
+ filter();
+ t = java.lang.System.currentTimeMillis() - t;
+ mDisplayView.invalidate();
+ mBenchmarkResult.setText("Result: " + t + " ms");
+ }
+}
diff --git a/samples/RenderScript/Levels/src/com/android/rs/levels/LevelsRSActivity.java b/samples/RenderScript/Levels/src/com/android/rs/levels/LevelsRSActivity.java
new file mode 100644
index 000000000..b1ee8fe15
--- /dev/null
+++ b/samples/RenderScript/Levels/src/com/android/rs/levels/LevelsRSActivity.java
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2009 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.levels;
+
+import android.app.Activity;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.os.Bundle;
+import android.renderscript.Matrix3f;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.SeekBar;
+import android.widget.TextView;
+import android.renderscript.Allocation;
+import android.renderscript.RenderScript;
+
+public class LevelsRSActivity extends Activity
+ implements SeekBar.OnSeekBarChangeListener {
+ private final String TAG = "Img";
+ private Bitmap mBitmapIn;
+ private Bitmap mBitmapOut;
+ private float mInBlack = 0.0f;
+ private SeekBar mInBlackSeekBar;
+ private float mOutBlack = 0.0f;
+ private SeekBar mOutBlackSeekBar;
+ private float mInWhite = 255.0f;
+ private SeekBar mInWhiteSeekBar;
+ private float mOutWhite = 255.0f;
+ private SeekBar mOutWhiteSeekBar;
+ private float mGamma = 1.0f;
+ private SeekBar mGammaSeekBar;
+ private float mSaturation = 1.0f;
+ private SeekBar mSaturationSeekBar;
+ private TextView mBenchmarkResult;
+ private ImageView mDisplayView;
+
+ Matrix3f satMatrix = new Matrix3f();
+ float mInWMinInB;
+ float mOutWMinOutB;
+ float mOverInWMinInB;
+
+ private RenderScript mRS;
+ private Allocation mInPixelsAllocation;
+ private Allocation mOutPixelsAllocation;
+ private ScriptC_levels mScript;
+
+ private void setLevels() {
+ mInWMinInB = mInWhite - mInBlack;
+ mOutWMinOutB = mOutWhite - mOutBlack;
+ mOverInWMinInB = 1.f / mInWMinInB;
+
+ mScript.set_inBlack(mInBlack);
+ mScript.set_outBlack(mOutBlack);
+ mScript.set_inWMinInB(mInWMinInB);
+ mScript.set_outWMinOutB(mOutWMinOutB);
+ mScript.set_overInWMinInB(mOverInWMinInB);
+ }
+
+ private void setSaturation() {
+ float rWeight = 0.299f;
+ float gWeight = 0.587f;
+ float bWeight = 0.114f;
+ float oneMinusS = 1.0f - mSaturation;
+
+ satMatrix.set(0, 0, oneMinusS * rWeight + mSaturation);
+ satMatrix.set(0, 1, oneMinusS * rWeight);
+ satMatrix.set(0, 2, oneMinusS * rWeight);
+ satMatrix.set(1, 0, oneMinusS * gWeight);
+ satMatrix.set(1, 1, oneMinusS * gWeight + mSaturation);
+ satMatrix.set(1, 2, oneMinusS * gWeight);
+ satMatrix.set(2, 0, oneMinusS * bWeight);
+ satMatrix.set(2, 1, oneMinusS * bWeight);
+ satMatrix.set(2, 2, oneMinusS * bWeight + mSaturation);
+ mScript.set_colorMat(satMatrix);
+ }
+
+ public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+ if (fromUser) {
+ if (seekBar == mInBlackSeekBar) {
+ mInBlack = (float)progress;
+ setLevels();
+ } else if (seekBar == mOutBlackSeekBar) {
+ mOutBlack = (float)progress;
+ setLevels();
+ } else if (seekBar == mInWhiteSeekBar) {
+ mInWhite = (float)progress + 127.0f;
+ setLevels();
+ } else if (seekBar == mOutWhiteSeekBar) {
+ mOutWhite = (float)progress + 127.0f;
+ setLevels();
+ } else if (seekBar == mGammaSeekBar) {
+ mGamma = (float)progress/100.0f;
+ mGamma = Math.max(mGamma, 0.1f);
+ mGamma = 1.0f / mGamma;
+ mScript.set_gamma(mGamma);
+ } else if (seekBar == mSaturationSeekBar) {
+ mSaturation = (float)progress / 50.0f;
+ setSaturation();
+ }
+
+ filter();
+ mDisplayView.invalidate();
+ }
+ }
+
+ public void onStartTrackingTouch(SeekBar seekBar) {
+ }
+
+ public void onStopTrackingTouch(SeekBar seekBar) {
+ }
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.main);
+
+ mBitmapIn = loadBitmap(R.drawable.city);
+ mBitmapOut = loadBitmap(R.drawable.city);
+
+ mDisplayView = (ImageView) findViewById(R.id.display);
+ mDisplayView.setImageBitmap(mBitmapOut);
+
+ mInBlackSeekBar = (SeekBar)findViewById(R.id.inBlack);
+ mInBlackSeekBar.setOnSeekBarChangeListener(this);
+ mInBlackSeekBar.setMax(128);
+ mInBlackSeekBar.setProgress(0);
+ mOutBlackSeekBar = (SeekBar)findViewById(R.id.outBlack);
+ mOutBlackSeekBar.setOnSeekBarChangeListener(this);
+ mOutBlackSeekBar.setMax(128);
+ mOutBlackSeekBar.setProgress(0);
+
+ mInWhiteSeekBar = (SeekBar)findViewById(R.id.inWhite);
+ mInWhiteSeekBar.setOnSeekBarChangeListener(this);
+ mInWhiteSeekBar.setMax(128);
+ mInWhiteSeekBar.setProgress(128);
+ mOutWhiteSeekBar = (SeekBar)findViewById(R.id.outWhite);
+ mOutWhiteSeekBar.setOnSeekBarChangeListener(this);
+ mOutWhiteSeekBar.setMax(128);
+ mOutWhiteSeekBar.setProgress(128);
+
+ mGammaSeekBar = (SeekBar)findViewById(R.id.inGamma);
+ mGammaSeekBar.setOnSeekBarChangeListener(this);
+ mGammaSeekBar.setMax(150);
+ mGammaSeekBar.setProgress(100);
+
+ mSaturationSeekBar = (SeekBar)findViewById(R.id.inSaturation);
+ mSaturationSeekBar.setOnSeekBarChangeListener(this);
+ mSaturationSeekBar.setProgress(50);
+
+ mBenchmarkResult = (TextView) findViewById(R.id.benchmarkText);
+ mBenchmarkResult.setText("Result: not run");
+
+ mRS = RenderScript.create(this);
+ mInPixelsAllocation = Allocation.createFromBitmap(mRS, mBitmapIn,
+ Allocation.MipmapControl.MIPMAP_NONE,
+ Allocation.USAGE_SCRIPT);
+ mOutPixelsAllocation = Allocation.createFromBitmap(mRS, mBitmapOut,
+ Allocation.MipmapControl.MIPMAP_NONE,
+ Allocation.USAGE_SCRIPT);
+ mScript = new ScriptC_levels(mRS, getResources(), R.raw.levels);
+ mScript.set_gamma(mGamma);
+
+ setSaturation();
+ setLevels();
+ filter();
+ }
+
+ private Bitmap loadBitmap(int resource) {
+ final BitmapFactory.Options options = new BitmapFactory.Options();
+ options.inPreferredConfig = Bitmap.Config.ARGB_8888;
+ Bitmap b = BitmapFactory.decodeResource(getResources(), resource, options);
+ Bitmap b2 = Bitmap.createBitmap(b.getWidth(), b.getHeight(), b.getConfig());
+ Canvas c = new Canvas(b2);
+ c.drawBitmap(b, 0, 0, null);
+ b.recycle();
+ return b2;
+ }
+
+ private void filter() {
+ mScript.forEach_root(mInPixelsAllocation, mOutPixelsAllocation);
+ mOutPixelsAllocation.copyTo(mBitmapOut);
+ }
+
+ public void benchmark(View v) {
+ filter();
+ long t = java.lang.System.currentTimeMillis();
+ filter();
+ t = java.lang.System.currentTimeMillis() - t;
+ mDisplayView.invalidate();
+ mBenchmarkResult.setText("Result: " + t + " ms");
+ }
+}
diff --git a/samples/RenderScript/Levels/src/com/android/rs/levels/levels.rs b/samples/RenderScript/Levels/src/com/android/rs/levels/levels.rs
new file mode 100644
index 000000000..eafaa1bd3
--- /dev/null
+++ b/samples/RenderScript/Levels/src/com/android/rs/levels/levels.rs
@@ -0,0 +1,23 @@
+#pragma version(1)
+#pragma rs java_package_name(com.android.rs.levels)
+
+float inBlack;
+float outBlack;
+float inWMinInB;
+float outWMinOutB;
+float overInWMinInB;
+float gamma;
+rs_matrix3x3 colorMat;
+
+void root(const uchar4 *in, uchar4 *out, uint32_t x, uint32_t y) {
+ float3 pixel = convert_float4(in[0]).rgb;
+ pixel = rsMatrixMultiply(&colorMat, pixel);
+ pixel = clamp(pixel, 0.f, 255.f);
+ pixel = (pixel - inBlack) * overInWMinInB;
+ if (gamma != 1.0f)
+ pixel = pow(pixel, (float3)gamma);
+ pixel = pixel * outWMinOutB + outBlack;
+ pixel = clamp(pixel, 0.f, 255.f);
+ out->xyz = convert_uchar3(pixel);
+}
+