Merge "Add mandelbrot to compute perf"

tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/ComputePerf.java

@@ -27,6 +27,7 @@ import android.widget.ImageView;
 public class ComputePerf extends Activity {
 
     private LaunchTest mLT;
+    private Mandelbrot mMandel;
     private RenderScript mRS;
 
     @Override
@@ -38,6 +39,10 @@ public class ComputePerf extends Activity {
         mLT = new LaunchTest(mRS, getResources());
         mLT.run();
         mLT.run();
+
+        mMandel = new Mandelbrot(mRS, getResources());
+        mMandel.run();
+
     }
 
 }

tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/Mandelbrot.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2011 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.computeperf;
+
+import android.content.res.Resources;
+import android.renderscript.*;
+
+public class Mandelbrot implements Runnable {
+    private RenderScript mRS;
+    private Allocation mAllocationXY;
+    private ScriptC_mandelbrot mScript;
+
+    Mandelbrot(RenderScript rs, Resources res) {
+        mRS = rs;
+        mScript = new ScriptC_mandelbrot(mRS, res, R.raw.mandelbrot);
+
+        Type.Builder tb = new Type.Builder(rs, Element.U8_4(rs));
+        tb.setX(mScript.get_gDimX());
+        tb.setY(mScript.get_gDimY());
+        mAllocationXY = Allocation.createTyped(rs, tb.create());
+    }
+
+    public void run() {
+        long t = java.lang.System.currentTimeMillis();
+        mScript.forEach_root(mAllocationXY);
+        mRS.finish();
+        t = java.lang.System.currentTimeMillis() - t;
+        android.util.Log.v("ComputePerf", "mandelbrot  ms " + t);
+    }
+
+}

tests/RenderScriptTests/ComputePerf/src/com/example/android/rs/computeperf/mandelbrot.rs

@@ -0,0 +1,42 @@
+// Copyright (C) 2011 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.
+
+#pragma version(1)
+#pragma rs java_package_name(com.example.android.rs.computeperf)
+
+const int gMaxIteration = 500;
+const int gDimX = 1024;
+const int gDimY = 1024;
+
+void root(uchar4 *v_out, uint32_t x, uint32_t y) {
+    float2 p;
+    p.x = -2.5f + ((float)x / gDimX) * 3.5f;
+    p.y = -1.f + ((float)y / gDimY) * 2.f;
+
+    float2 t = 0;
+    int iteration = 0;
+    while((t.x*t.x + t.y*t.y < 4.f) && (iteration < gMaxIteration)) {
+        float2 t2 = t * t;
+        float xtemp = t2.x - t2.y + p.x;
+        t.y = 2 * t.x * t.y + p.y;
+        t.x = xtemp;
+        iteration++;
+    }
+
+    if(iteration >= gMaxIteration) {
+        *v_out = 0;
+    } else {
+        *v_out = (uchar4){iteration & 0xff, (iteration >> 6) & 0xff, 0x8f, 0xff};
+    }
+}