1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.testframerate; 18 19 import android.content.Context; 20 import android.opengl.GLSurfaceView; 21 import android.os.SystemProperties; 22 import android.util.AttributeSet; 23 import android.util.Log; 24 import android.view.KeyEvent; 25 import android.view.MotionEvent; 26 27 import java.nio.ByteBuffer; 28 import java.nio.ByteOrder; 29 import java.nio.FloatBuffer; 30 31 import javax.microedition.khronos.egl.EGL10; 32 import javax.microedition.khronos.egl.EGLConfig; 33 import javax.microedition.khronos.egl.EGLContext; 34 import javax.microedition.khronos.egl.EGLDisplay; 35 import javax.microedition.khronos.opengles.GL10; 36 37 import android.opengl.GLES20; 38 39 class TestFramerateView extends GLSurfaceView { 40 private static String TAG = "TestFramerateView"; 41 TestFramerateView(Context context)42 public TestFramerateView(Context context) { 43 super(context); 44 setEGLContextClientVersion(2); 45 setRenderer(new Renderer()); 46 } 47 48 private long mLastTime_us = 0; 49 private long mNumShortFramesElapsed = 0; registerTime(long now_us)50 private void registerTime(long now_us) { 51 long longFrameTime_ms = Integer.parseInt(SystemProperties.get("debug.longframe_ms", "16")); 52 long elapsedTime_us = now_us - mLastTime_us; 53 float fps = 1000000.f / elapsedTime_us; 54 if (mLastTime_us > 0 && elapsedTime_us > longFrameTime_ms*1000) { 55 Log.v(TAG, "Long frame: " + elapsedTime_us/1000.f + " ms (" + fps + " fps)"); 56 if (mNumShortFramesElapsed > 0) { 57 Log.v(TAG, " Short frames since last long frame: " + mNumShortFramesElapsed); 58 mNumShortFramesElapsed = 0; 59 } 60 } else { 61 ++mNumShortFramesElapsed; 62 } 63 64 mLastTime_us = now_us; 65 } 66 67 private class Renderer implements GLSurfaceView.Renderer { Renderer()68 public Renderer() { 69 } 70 71 onDrawFrame(GL10 gl)72 public void onDrawFrame(GL10 gl) { 73 long now_us = System.nanoTime() / 1000; 74 registerTime(now_us); 75 76 float red = (now_us % 1000000) / 1000000.f; 77 float green = (now_us % 2000000) / 2000000.f; 78 float blue = (now_us % 3000000) / 3000000.f; 79 GLES20.glClearColor(red, green, blue, 1.0f); 80 GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT); 81 } 82 onSurfaceChanged(GL10 gl, int width, int height)83 public void onSurfaceChanged(GL10 gl, int width, int height) { 84 GLES20.glViewport(0, 0, width, height); 85 } 86 onSurfaceCreated(GL10 gl, EGLConfig config)87 public void onSurfaceCreated(GL10 gl, EGLConfig config) { 88 } 89 90 } 91 } 92