diff options
Diffstat (limited to 'src/jogl/classes/jogamp/opengl')
-rw-r--r-- | src/jogl/classes/jogamp/opengl/FPSCounterImpl.java | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/FPSCounterImpl.java b/src/jogl/classes/jogamp/opengl/FPSCounterImpl.java new file mode 100644 index 000000000..96d62fbb3 --- /dev/null +++ b/src/jogl/classes/jogamp/opengl/FPSCounterImpl.java @@ -0,0 +1,137 @@ +/** + * Copyright 2011 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ +package jogamp.opengl; + +import java.io.PrintStream; +import javax.media.opengl.FPSCounter; + +/** + * Default implementation of FPSCounter to be used for FPSCounter implementing renderer. + */ +public class FPSCounterImpl implements FPSCounter { + private int fpsUpdateFramesInterval; + private PrintStream fpsOutputStream ; + private long fpsStartTime, fpsLastUpdateTime, fpsLastPeriod, fpsTotalDuration; + private int fpsTotalFrames; + private float fpsLast, fpsTotal; + + /** Creates a disabled instance */ + public FPSCounterImpl() { + setUpdateFPSFrames(0, null); + } + + /** + * Increases total frame count and updates values if feature is enabled and + * update interval is reached.<br> + * + * Shall be called by actual FPSCounter implementing renderer, after display a new frame. + * + */ + public final synchronized void tickFPS() { + fpsTotalFrames++; + if(fpsUpdateFramesInterval>0 && fpsTotalFrames%fpsUpdateFramesInterval == 0) { + final long now = System.currentTimeMillis(); + fpsLastPeriod = now - fpsLastUpdateTime; + fpsLastPeriod = Math.max(fpsLastPeriod, 1); // div 0 + fpsLast = ( (float)fpsUpdateFramesInterval * 1000f ) / ( (float) fpsLastPeriod ) ; + + fpsTotalDuration = now - fpsStartTime; + fpsTotalDuration = Math.max(fpsTotalDuration, 1); // div 0 + fpsTotal= ( (float)fpsTotalFrames * 1000f ) / ( (float) fpsTotalDuration ) ; + + if(null != fpsOutputStream) { + fpsOutputStream.println(toString()); + } + + fpsLastUpdateTime = now; + } + } + + public StringBuilder toString(StringBuilder sb) { + if(null==sb) { + sb = new StringBuilder(); + } + String fpsLastS = String.valueOf(fpsLast); + fpsLastS = fpsLastS.substring(0, fpsLastS.indexOf('.') + 2); + String fpsTotalS = String.valueOf(fpsTotal); + fpsTotalS = fpsTotalS.substring(0, fpsTotalS.indexOf('.') + 2); + sb.append(fpsTotalDuration/1000 +" s: "+ fpsUpdateFramesInterval+" f / "+ fpsLastPeriod+" ms, " + fpsLastS+" fps, "+ fpsLastPeriod/fpsUpdateFramesInterval+" ms/f; "+ + "total: "+ fpsTotalFrames+" f, "+ fpsTotalS+ " fps, "+ fpsTotalDuration/fpsTotalFrames+" ms/f"); + return sb; + } + + public String toString() { + return toString(null).toString(); + } + + public final synchronized void setUpdateFPSFrames(int frames, PrintStream out) { + fpsUpdateFramesInterval = frames; + fpsOutputStream = out; + resetFPSCounter(); + } + + public final synchronized void resetFPSCounter() { + fpsStartTime = System.currentTimeMillis(); // overwrite startTime to real init one + fpsLastUpdateTime = fpsStartTime; + fpsLastPeriod = 0; + fpsTotalFrames = 0; + fpsLast = 0f; fpsTotal = 0f; + } + + public final synchronized int getUpdateFPSFrames() { + return fpsUpdateFramesInterval; + } + + public final synchronized long getFPSStartTime() { + return fpsStartTime; + } + + public final synchronized long getLastFPSUpdateTime() { + return fpsLastUpdateTime; + } + + public final synchronized long getLastFPSPeriod() { + return fpsLastPeriod; + } + + public final synchronized float getLastFPS() { + return fpsLast; + } + + public final synchronized int getTotalFPSFrames() { + return fpsTotalFrames; + } + + public final synchronized long getTotalFPSDuration() { + return fpsTotalDuration; + } + + public final synchronized float getTotalFPS() { + return fpsTotal; + } +} |