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1  Java Game APIs & Engines / JOGL Development / Re: Cannot create external context (swt + jogl 2) on: 2010-09-30 15:20:09
Juste found a solution (uncommon).


Quote
canvas.setCurrent();
WGL.GetDC(canvas.handle);
final GLProfile gl2Profile = GLProfile.get(GLProfile.GL2);
GLDrawableFactory factory = GLDrawableFactory.getFactory(gl2Profile );
GLContext context = factory.createExternalGLContext();

Just add  WGL.GetDC(canvas.handle); (and import com.sun.opengl.impl.windows.wgl.WGL;)


In new version of Jogl (from jogamp) the code is not exactly the same:
Quote
canvas.setCurrent();
GDI.GetDC(canvas.handle);
final GLProfile gl2Profile = GLProfile.get(GLProfile.GL2);
GLDrawableFactory factory = GLDrawableFactory.getFactory(gl2Profile );
GLContext context = factory.createExternalGLContext();

And import com.jogamp.opengl.impl.windows.wgl.GDI;


2  Java Game APIs & Engines / JOGL Development / Re: Cannot create external context (swt + jogl 2) on: 2009-10-18 12:31:01
I  have also the same problem with swt 3.2.

Both 3.2 et 3.5 tests were on winxp.
I test the same programm and snippet on a linux version with swt 3.5 and it works.

Can I change the pixelformat before creating my external context ?
3  Java Game APIs & Engines / JOGL Development / Cannot create external context (swt + jogl 2) on: 2009-10-17 19:26:55
Hi all,

I have a problem with createExternalGLContext on Jogl 2.0  for a swt application (packages org.eclipse.swt v3.5)

When I create an external context I have an error: attempted to make an external GLContext without a valid pixelformat
Quote
Exception in thread "main" javax.media.opengl.GLException: Error: attempted to make an external GLContext without a valid pixelformat
   at com.sun.opengl.impl.windows.wgl.WindowsExternalWGLContext.create(WindowsExternalWGLContext.java:76)
   at com.sun.opengl.impl.windows.wgl.WindowsWGLDrawableFactory.createExternalGLContext(WindowsWGLDrawableFactory.java:162)

I test also the snippet209 from jogl demo and I have the same error.
I use this (same as snippet209)
Quote
...
canvas.setCurrent();
final GLProfile gl2Profile = GLProfile.get(GLProfile.GL2);
GLDrawableFactory factory = GLDrawableFactory.getFactory(gl2Profile );
GLContext context = factory.createExternalGLContext();

In jogl 1.1 (without profil) it works:
Quote
...
canvas.setCurrent();
GLContext  context = GLDrawableFactory.getFactory().createExternalGLContext();

An idea ?

Thanks
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