WindowContext createWindow(final GLProfile glp, final boolean debugGL) {
final GLCapabilities caps = new GLCapabilities(glp);
//
// Create native windowing resources .. X11/Win/OSX
//
final Display display = NewtFactory.createDisplay(null); // local display
Assert.assertNotNull(display);
final Screen screen = NewtFactory.createScreen(display, 0); // screen 0
Assert.assertNotNull(screen);
final Window window = NewtFactory.createWindow(screen, caps);
Assert.assertNotNull(window);
window.setSize(128, 128);
window.setVisible(true);
final GLDrawableFactory factory = GLDrawableFactory.getFactory(glp);
final GLDrawable drawable = factory.createGLDrawable(window);
Assert.assertNotNull(drawable);
drawable.setRealized(true);
final GLContext context = drawable.createContext(null);
Assert.assertNotNull(context);
context.enableGLDebugMessage(debugGL);
final int res = context.makeCurrent();
Assert.assertTrue(GLContext.CONTEXT_CURRENT_NEW == res || GLContext.CONTEXT_CURRENT == res);
return new WindowContext(window, context);
}
/**
* Main program.
*
* @param args Command line arguments
* @throws Exception On errors
*/
public static void main(final String[] args) throws Exception {
if (args.length != 3 && args.length != 4) {
Main.LOG.info("usage: root file.vert [file.geom] file.frag");
System.exit(1);
}
final File root = new File(args[0]);
final R2ShaderPreprocessorType p = R2ShaderPreprocessor.newPreprocessor(root);
List<String> vs = null;
Optional<List<String>> gs = null;
List<String> fs = null;
try {
if (args.length == 4) {
vs = p.preprocessFile(args[1]);
gs = Optional.of(p.preprocessFile(args[2]));
fs = p.preprocessFile(args[3]);
} else {
vs = p.preprocessFile(args[1]);
gs = Optional.empty();
fs = p.preprocessFile(args[2]);
}
} catch (final Exception e) {
Main.LOG.error("Preprocessing failure: ", e);
System.exit(1);
}
final GLProfile pro = GLProfile.get(GLProfile.GL3);
final GLCapabilities caps = new GLCapabilities(pro);
final GLDrawableFactory f = GLDrawableFactory.getFactory(pro);
final GLOffscreenAutoDrawable drawable =
f.createOffscreenAutoDrawable(null, caps, null, 32, 32);
drawable.display();
final GLContext ctx = drawable.getContext();
ctx.makeCurrent();
try {
final JCGLImplementationJOGLType i = JCGLImplementationJOGL.getInstance();
final JCGLContextType jc = i.newContextFrom(ctx, "offscreen");
final JCGLInterfaceGL33Type gi = jc.contextGetGL33();
final R2ShaderCheckerType ch = R2ShaderChecker.newChecker(gi.getShaders());
ch.check(vs, gs, fs);
} finally {
ctx.release();
drawable.destroy();
}
}