public void surfaceUpdated(Object updater, NativeWindow window, long when) {
if (updater instanceof GLDrawable) {
GLDrawable drawable = (GLDrawable) updater;
GLContext ctx = GLContext.getCurrent();
if (null != ctx && ctx.getGLDrawable() == drawable) {
GL gl = ctx.getGL();
// FIXME glFinish() is an expensive paranoia sync, should not be necessary due to spec
gl.glFinish();
readBufferUtil.fetchOffscreenTexture(drawable, gl);
gl.glFinish();
try {
surface2File("shot");
} catch (IOException ex) {
throw new RuntimeException("can not write survace to file", ex);
}
}
}
}
protected void copyImpl(GLContext source, int mask) throws GLException {
long dst = getHandle();
long src = source.getHandle();
if (!isNSContext()) {
if (((MacOSXCGLContext) source).isNSContext()) {
throw new GLException("Source OpenGL Context is NS ; Destination Context is CGL.");
}
CGL.CGLCopyContext(src, dst, mask);
} else {
if (!((MacOSXCGLContext) source).isNSContext()) {
throw new GLException("Source OpenGL Context is CGL ; Destination Context is NS.");
}
CGL.copyContext(dst, src, mask);
}
}