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1  Game Development / Performance Tuning / Re: GraphicsPrimitiveMgr on: 2003-10-30 14:39:33
The call traces related to the GraphicsPrimitiveMgr unfortunately aren't at all clear (to me anyway).  They don't correspond to any methods that we are calling:

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TRACE 39:
sun.java2d.loops.GraphicsPrimitiveMgr$2.compare(GraphicsPrimitiveMgr.java:Unknown line)
java.util.Arrays.binarySearch(Arrays.java:Unknown line)
sun.java2d.loops.GraphicsPrimitiveMgr.locate(GraphicsPrimitiveMgr.java:Unknown line)
sun.java2d.loops.GraphicsPrimitiveMgr.locatePrim(GraphicsPrimitiveMgr.java:Unknown line)


This call trace corresponds to the first line in from the original post.  

jd
2  Game Development / Performance Tuning / GraphicsPrimitiveMgr on: 2003-10-28 19:10:00
Under what situations does GraphicsPrimitiveMgr get called?  We are calling it a lot and would like to avoid it.  This is the profile with 712 blits to the screen.

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   1 11.56% 11.56%  403073    39 sun.java2d.loops.GraphicsPrimitiveMgr$2.compare
   2  9.22% 20.78%  399175   239 java.lang.String.compareTo
   3  8.69% 29.47%  359899   364 sun.java2d.loops.GraphicsPrimitiveMgr.compareSurfaces
   4  6.48% 35.96%  359899   325 sun.java2d.loops.GraphicsPrimitiveMgr.access$000
3  Java Game APIs & Engines / Java Sound & OpenAL / Using hold pedal with midi on: 2003-10-02 18:45:49
How can I make a midi note continue for a set amount of time?  I would like to use the acoustic nylon guitar (25) instrument, but rather than fading out I would like it to continue playing the note for 10 or 15 seconds and modify the pitch myself to simulate a person changing finger position in slow motion.

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//Initializing the synthesizer
try {
  m_Synth = MidiSystem.getSynthesizer();
  m_Synth.open();
  m_MidiChannel = m_Synth.getChannels();
  m_Instrument = m_Synth.getDefaultSoundbank().getInstruments();            
  m_Synth.loadInstrument(m_Instrument[GUITAR]);  
  m_MidiChannel[DEFAULT_CHANNEL].programChange(GUITAR);
  m_wCurNote=60;
} catch (Exception ex) {
  return;
}


I've tried controllers 64 - 69 and they don't appear to change anything.

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// Use soft pedal to sustain note
m_MidiChannel[DEFAULT_CHANNEL].controlChange(67,127);
m_MidiChannel[DEFAULT_CHANNEL].noteOn(m_wCurNote,67);
 

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