Merge "Add mandelbrot to compute perf" (2e221448) · Commits · e / os / android_frameworks_base

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

+5 −0

Original line number	Diff line number	Diff line
		@@ -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();

		}

		}

0 → 100644

+45 −0

Original line number	Diff line number	Diff line
		/*
		* 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);
		}

		}

0 → 100644

+42 −0

Original line number	Diff line number	Diff line
		// 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.xt.x + t.yt.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};
		}
		}