How to use the pyglet.gl.glx function in pyglet

glXFreeContextEXT = _link_function('glXFreeContextEXT', None, [POINTER(Display), GLXContext], 'EXT_import_context')

PFNGLXGETCURRENTDISPLAYEXTPROC = CFUNCTYPE(POINTER(Display)) 	# GL/glxext.h:668
PFNGLXQUERYCONTEXTINFOEXTPROC = CFUNCTYPE(c_int, POINTER(Display), GLXContext, c_int, POINTER(c_int)) 	# GL/glxext.h:669
PFNGLXGETCONTEXTIDEXTPROC = CFUNCTYPE(GLXContextID, GLXContext) 	# GL/glxext.h:670
PFNGLXIMPORTCONTEXTEXTPROC = CFUNCTYPE(GLXContext, POINTER(Display), GLXContextID) 	# GL/glxext.h:671
PFNGLXFREECONTEXTEXTPROC = CFUNCTYPE(None, POINTER(Display), GLXContext) 	# GL/glxext.h:672
# SGIX_fbconfig (GL/glxext.h:675)
GLX_SGIX_fbconfig = 1 	# GL/glxext.h:676
# GL/glxext.h:678
glXGetFBConfigAttribSGIX = _link_function('glXGetFBConfigAttribSGIX', c_int, [POINTER(Display), GLXFBConfigSGIX, c_int, POINTER(c_int)], 'SGIX_fbconfig')

# GL/glxext.h:679
glXChooseFBConfigSGIX = _link_function('glXChooseFBConfigSGIX', POINTER(GLXFBConfigSGIX), [POINTER(Display), c_int, POINTER(c_int), POINTER(c_int)], 'SGIX_fbconfig')

GLXPixmap = pyglet.gl.glx.GLXPixmap
Pixmap = pyglet.libs.x11.xlib.Pixmap
# GL/glxext.h:680
glXCreateGLXPixmapWithConfigSGIX = _link_function('glXCreateGLXPixmapWithConfigSGIX', GLXPixmap, [POINTER(Display), GLXFBConfigSGIX, Pixmap], 'SGIX_fbconfig')

# GL/glxext.h:681
glXCreateContextWithConfigSGIX = _link_function('glXCreateContextWithConfigSGIX', GLXContext, [POINTER(Display), GLXFBConfigSGIX, c_int, GLXContext, c_int], 'SGIX_fbconfig')

XVisualInfo = pyglet.libs.x11.xlib.XVisualInfo
# GL/glxext.h:682
glXGetVisualFromFBConfigSGIX = _link_function('glXGetVisualFromFBConfigSGIX', POINTER(XVisualInfo), [POINTER(Display), GLXFBConfigSGIX], 'SGIX_fbconfig')

# GL/glxext.h:683
glXGetFBConfigFromVisualSGIX = _link_function('glXGetFBConfigFromVisualSGIX', GLXFBConfigSGIX, [POINTER(Display), POINTER(XVisualInfo)], 'SGIX_fbconfig')

PFNGLXGETFBCONFIGATTRIBSGIXPROC = CFUNCTYPE(c_int, POINTER(Display), GLXFBConfigSGIX, c_int, POINTER(c_int)) 	# GL/glxext.h:685
PFNGLXCHOOSEFBCONFIGSGIXPROC = CFUNCTYPE(POINTER(GLXFBConfigSGIX), POINTER(Display), c_int, POINTER(c_int), POINTER(c_int)) 	# GL/glxext.h:686

def _create_glx_context(self, share):
        if share:
            return glx.glXCreateContext(self._display, self._visual_info,
                share._context, True)
        else:
            return glx.glXCreateContext(self._display, self._visual_info,
                None, True)

def destroy(self):
        super(XlibContext13, self).destroy()
        if self.glx_window:
            glx.glXDestroyWindow(self.config.display._display, self.glx_window)
            self.glx_window = None
        if self.glx_context:
            glx.glXDestroyContext(self.x_display, self.glx_context)
            self.glx_context = None

attribute_ids = {
        'buffer_size': glx.GLX_BUFFER_SIZE,
        'level': glx.GLX_LEVEL,     # Not supported
        'double_buffer': glx.GLX_DOUBLEBUFFER,
        'stereo': glx.GLX_STEREO,
        'aux_buffers': glx.GLX_AUX_BUFFERS,
        'red_size': glx.GLX_RED_SIZE,
        'green_size': glx.GLX_GREEN_SIZE,
        'blue_size': glx.GLX_BLUE_SIZE,
        'alpha_size': glx.GLX_ALPHA_SIZE,
        'depth_size': glx.GLX_DEPTH_SIZE,
        'stencil_size': glx.GLX_STENCIL_SIZE,
        'accum_red_size': glx.GLX_ACCUM_RED_SIZE,
        'accum_green_size': glx.GLX_ACCUM_GREEN_SIZE,
        'accum_blue_size': glx.GLX_ACCUM_BLUE_SIZE,
        'accum_alpha_size': glx.GLX_ACCUM_ALPHA_SIZE,
    }

    def __init__(self, canvas, glx_info, config):
        super(BaseXlibCanvasConfig, self).__init__(canvas, config)
        self.glx_info = glx_info

    def compatible(self, canvas):
        # TODO check more
        return isinstance(canvas, XlibCanvas)

    def _create_glx_context(self, share):
        raise NotImplementedError('abstract')

    def is_complete(self):
        return True

def __init__(self, screen, fbconfig):
        super(XlibGLConfig13, self).__init__()
        self.screen = screen
        self._display = screen.display._display
        self._fbconfig = fbconfig
        for name, attr in self.attribute_ids.items():
            value = c_int()
            result = glx.glXGetFBConfigAttrib(
                self._display, self._fbconfig, attr, byref(value))
            if result >= 0:
                setattr(self, name, value.value)

def switch_to(self):
        if self._glx_1_3:
            if not self._glx_window:
                self._glx_window = glx.glXCreateWindow(self._x_display,
                    self._config._fbconfig, self._window, None)
            glx.glXMakeContextCurrent(self._x_display,
                self._glx_window, self._glx_window, self._glx_context)
        else:
            glx.glXMakeCurrent(self._x_display, self._window, self._glx_context)

        self.set_vsync(self._vsync)

        self._context.set_current()
        gl_info.set_active_context()
        glu_info.set_active_context()

def __repr__(self):
        return 'XlibScreen(screen=%d, x=%d, y=%d, ' \
               'width=%d, height=%d, xinerama=%d)' % \
            (self._x_screen_id, self.x, self.y, self.width, self.height,
             self._xinerama)

class XlibGLConfig(gl.Config):
    attribute_ids = {
        'buffer_size': glx.GLX_BUFFER_SIZE,
        'level': glx.GLX_LEVEL,     # Not supported
        'double_buffer': glx.GLX_DOUBLEBUFFER,
        'stereo': glx.GLX_STEREO,
        'aux_buffers': glx.GLX_AUX_BUFFERS,
        'red_size': glx.GLX_RED_SIZE,
        'green_size': glx.GLX_GREEN_SIZE,
        'blue_size': glx.GLX_BLUE_SIZE,
        'alpha_size': glx.GLX_ALPHA_SIZE,
        'depth_size': glx.GLX_DEPTH_SIZE,
        'stencil_size': glx.GLX_STENCIL_SIZE,
        'accum_red_size': glx.GLX_ACCUM_RED_SIZE,
        'accum_green_size': glx.GLX_ACCUM_GREEN_SIZE,
        'accum_blue_size': glx.GLX_ACCUM_BLUE_SIZE,
        'accum_alpha_size': glx.GLX_ACCUM_ALPHA_SIZE,
    }
    
    def create_context(self, share):
        context = self._create_glx_context(share)
        
        if context == glx.GLX_BAD_CONTEXT:
            raise gl.ContextException('Invalid context share')
        elif context == glx.GLXBadFBConfig:
            raise gl.ContextException('Invalid GL configuration')

def _create_glx_context(self, share):
        if self.config.requires_gl_3():
            raise gl.ContextException(
                'Require GLX_ARB_create_context extension to create ' +
                'OpenGL 3 contexts.')

        if share:
            share_context = share.glx_context
        else:
            share_context = None

        return glx.glXCreateContext(self.config.canvas.display._display,
                                    self.config._visual_info, share_context, True)

return glx.glXCreateContext(self._display, self._visual_info,
                None, True)

class XlibGLConfig10ATI(XlibGLConfig10):
    attribute_ids = XlibGLConfig.attribute_ids.copy()
    del attribute_ids['stereo']
    stereo = False

class XlibGLConfig13(XlibGLConfig):
    attribute_ids = XlibGLConfig.attribute_ids.copy()
    attribute_ids.update({
        'sample_buffers': glx.GLX_SAMPLE_BUFFERS,
        'samples': glx.GLX_SAMPLES,

        # Not supported in current pyglet API:
        'render_type': glx.GLX_RENDER_TYPE,
        'config_caveat': glx.GLX_CONFIG_CAVEAT,
        'transparent_type': glx.GLX_TRANSPARENT_TYPE,
        'transparent_index_value': glx.GLX_TRANSPARENT_INDEX_VALUE,
        'transparent_red_value': glx.GLX_TRANSPARENT_RED_VALUE,
        'transparent_green_value': glx.GLX_TRANSPARENT_GREEN_VALUE,
        'transparent_blue_value': glx.GLX_TRANSPARENT_BLUE_VALUE,
        'transparent_alpha_value': glx.GLX_TRANSPARENT_ALPHA_VALUE,

        # Used internally
        'x_renderable': glx.GLX_X_RENDERABLE,
    })

    def __init__(self, screen, fbconfig):
        super(XlibGLConfig13, self).__init__()
        self.screen = screen
        self._display = screen.display._display

PFNGLXJOINSWAPGROUPNVPROC = CFUNCTYPE(c_int, POINTER(Display), GLXDrawable, GLuint) 	# GL/glxext.h:701
PFNGLXBINDSWAPBARRIERNVPROC = CFUNCTYPE(c_int, POINTER(Display), GLuint, GLuint) 	# GL/glxext.h:705
PFNGLXQUERYSWAPGROUPNVPROC = CFUNCTYPE(c_int, POINTER(Display), GLXDrawable, POINTER(GLuint), POINTER(GLuint)) 	# GL/glxext.h:709
PFNGLXQUERYMAXSWAPGROUPSNVPROC = CFUNCTYPE(c_int, POINTER(Display), c_int, POINTER(GLuint), POINTER(GLuint)) 	# GL/glxext.h:714
PFNGLXQUERYFRAMECOUNTNVPROC = CFUNCTYPE(c_int, POINTER(Display), c_int, POINTER(GLuint)) 	# GL/glxext.h:719
PFNGLXRESETFRAMECOUNTNVPROC = CFUNCTYPE(c_int, POINTER(Display), c_int) 	# GL/glxext.h:723
# NV_video_out (GL/glxext.h:726)
GLX_NV_video_out = 1 	# GL/glxext.h:727
# GL/glxext.h:729
glXGetVideoDeviceNV = _link_function('glXGetVideoDeviceNV', c_int, [POINTER(Display), c_int, c_int, POINTER(GLXVideoDeviceNV)], 'NV_video_out')

# GL/glxext.h:732
glXReleaseVideoDeviceNV = _link_function('glXReleaseVideoDeviceNV', c_int, [POINTER(Display), c_int, GLXVideoDeviceNV], 'NV_video_out')

GLXPbuffer = pyglet.gl.glx.GLXPbuffer
# GL/glxext.h:735
glXBindVideoImageNV = _link_function('glXBindVideoImageNV', c_int, [POINTER(Display), GLXVideoDeviceNV, GLXPbuffer, c_int], 'NV_video_out')

# GL/glxext.h:738
glXReleaseVideoImageNV = _link_function('glXReleaseVideoImageNV', c_int, [POINTER(Display), GLXPbuffer], 'NV_video_out')

GLboolean = c_ubyte 	# /usr/include/GL/gl.h:154
# GL/glxext.h:740
glXSendPbufferToVideoNV = _link_function('glXSendPbufferToVideoNV', c_int, [POINTER(Display), GLXPbuffer, c_int, POINTER(c_ulong), GLboolean], 'NV_video_out')

# GL/glxext.h:745
glXGetVideoInfoNV = _link_function('glXGetVideoInfoNV', c_int, [POINTER(Display), c_int, GLXVideoDeviceNV, POINTER(c_ulong), POINTER(c_ulong)], 'NV_video_out')

PFNGLXGETVIDEODEVICENVPROC = CFUNCTYPE(c_int, POINTER(Display), c_int, c_int, POINTER(GLXVideoDeviceNV)) 	# GL/glxext.h:750
PFNGLXRELEASEVIDEODEVICENVPROC = CFUNCTYPE(c_int, POINTER(Display), c_int, GLXVideoDeviceNV) 	# GL/glxext.h:755
PFNGLXBINDVIDEOIMAGENVPROC = CFUNCTYPE(c_int, POINTER(Display), GLXVideoDeviceNV, GLXPbuffer, c_int) 	# GL/glxext.h:759