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* When using canvas, ensure that the same pixel format is used for all shared contexts, as recommended by Apple documentation.

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7444 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
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sha..rd 2011-05-04 19:07:10 +00:00
parent f004d23070
commit 11467977f0
1 changed files with 18 additions and 7 deletions
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25
engine/src/lwjgl-ogl/com/jme3/system/lwjgl/LwjglCanvas.java
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@ -64,6 +64,7 @@ public class LwjglCanvas extends LwjglAbstractDisplay implements JmeCanvasContex
private boolean mouseWasGrabbed = false;
private Pbuffer pbuffer;
private PixelFormat pixelFormat;
private class GLCanvas extends Canvas {
@Override
@ -240,6 +241,21 @@ public class LwjglCanvas extends LwjglAbstractDisplay implements JmeCanvasContex
}
});
}
/**
* It seems it is best to use one pixel format for all shared contexts.
* See http://developer.apple.com/library/mac/#qa/qa1248/_index.html.
*/
protected PixelFormat acquirePixelFormat(){
if (pixelFormat == null){
pixelFormat = new PixelFormat(settings.getBitsPerPixel(),
0,
settings.getDepthBits(),
settings.getStencilBits(),
settings.getSamples());
}
return pixelFormat;
}
/**
* Makes sure the pbuffer is available and ready for use
@ -250,7 +266,7 @@ public class LwjglCanvas extends LwjglAbstractDisplay implements JmeCanvasContex
logger.log(Level.WARNING, "PBuffer was lost!");
pbuffer.destroy();
}
pbuffer = new Pbuffer(1, 1, new PixelFormat(0, 0, 0), null);
pbuffer = new Pbuffer(1, 1, acquirePixelFormat(), null);
logger.log(Level.INFO, "OGL: Pbuffer has been created");
}
}
@ -314,12 +330,7 @@ public class LwjglCanvas extends LwjglAbstractDisplay implements JmeCanvasContex
Display.setVSyncEnabled(settings.isVSync());
Display.setParent(canvas);
PixelFormat pf = new PixelFormat(settings.getBitsPerPixel(),
0,
settings.getDepthBits(),
settings.getStencilBits(),
settings.getSamples());
Display.create(pf, pbuffer);
Display.create(acquirePixelFormat(), pbuffer);
// because the display is a different opengl context
// must reset the context state.