Ejemplo n.º 1
0
def link_GL(name, restype, argtypes, requires=None, suggestions=None):
    try:
        func = getattr(gl_lib, name)
        func.restype = restype
        func.argtypes = argtypes
        decorate_function(func, name)
        return func
    except AttributeError:
        # Not in opengl32.dll. Try and get a pointer from WGL.
        try:
            fargs = (restype,) + tuple(argtypes)
            ftype = ctypes.WINFUNCTYPE(*fargs)
            if _have_get_proc_address:
                from fos.lib.pyglet.gl import gl_info
                if gl_info.have_context():
                    address = wglGetProcAddress(name)
                    if address:
                        func = cast(address, ftype)
                        decorate_function(func, name)
                        return func
                else:
                    # Insert proxy until we have a context
                    return WGLFunctionProxy(name, ftype, requires, suggestions)
        except:
            pass

        return missing_function(name, requires, suggestions)
Ejemplo n.º 2
0
def link_GL(name, restype, argtypes, requires=None, suggestions=None):
    try:
        func = getattr(gl_lib, name)
        func.restype = restype
        func.argtypes = argtypes
        decorate_function(func, name)
        return func
    except AttributeError:
        # Not in opengl32.dll. Try and get a pointer from WGL.
        try:
            fargs = (restype, ) + tuple(argtypes)
            ftype = ctypes.WINFUNCTYPE(*fargs)
            if _have_get_proc_address:
                from fos.lib.pyglet.gl import gl_info
                if gl_info.have_context():
                    address = wglGetProcAddress(name)
                    if address:
                        func = cast(address, ftype)
                        decorate_function(func, name)
                        return func
                else:
                    # Insert proxy until we have a context
                    return WGLFunctionProxy(name, ftype, requires, suggestions)
        except:
            pass

        return missing_function(name, requires, suggestions)
Ejemplo n.º 3
0
def link_GLU(name, restype, argtypes, requires=None, suggestions=None):
    try:
        func = getattr(glu_lib, name)
        func.restype = restype
        func.argtypes = argtypes
        decorate_function(func, name)
        return func
    except AttributeError:
        return missing_function(name, requires, suggestions)
Ejemplo n.º 4
0
def link_GLU(name, restype, argtypes, requires=None, suggestions=None):
    try:
        func = getattr(glu_lib, name)
        func.restype = restype
        func.argtypes = argtypes
        decorate_function(func, name)
        return func
    except AttributeError:
        return missing_function(name, requires, suggestions)
Ejemplo n.º 5
0
    def __call__(self, *args, **kwargs):
        if self.func:
            return self.func(*args, **kwargs)

        from fos.lib.pyglet.gl import current_context
        if not current_context:
            raise Exception(
                'Call to function "%s" before GL context created' % self.name)
        address = wglGetProcAddress(self.name)
        if cast(address, POINTER(c_int)):  # check cast because address is func
            self.func = cast(address, self.ftype)
            decorate_function(self.func, self.name)
        else:
            self.func = missing_function(
                self.name, self.requires, self.suggestions)
        result = self.func(*args, **kwargs) 
        return result
Ejemplo n.º 6
0
    def __call__(self, *args, **kwargs):
        if self.func:
            return self.func(*args, **kwargs)

        from fos.lib.pyglet.gl import current_context
        if not current_context:
            raise Exception('Call to function "%s" before GL context created' %
                            self.name)
        address = wglGetProcAddress(self.name)
        if cast(address, POINTER(c_int)):  # check cast because address is func
            self.func = cast(address, self.ftype)
            decorate_function(self.func, self.name)
        else:
            self.func = missing_function(self.name, self.requires,
                                         self.suggestions)
        result = self.func(*args, **kwargs)
        return result
Ejemplo n.º 7
0
def link_GL(name, restype, argtypes, requires=None, suggestions=None):
    try:
        func = getattr(gl_lib, name)
        func.restype = restype
        func.argtypes = argtypes
        decorate_function(func, name)
        return func
    except AttributeError:
        if _have_getprocaddress:
            # Fallback if implemented but not in ABI
            bname = cast(pointer(create_string_buffer(name)), POINTER(c_ubyte))
            addr = glXGetProcAddressARB(bname)
            if addr:
                ftype = CFUNCTYPE(*((restype,) + tuple(argtypes)))
                func = cast(addr, ftype)
                decorate_function(func, name)
                return func

    return missing_function(name, requires, suggestions)
Ejemplo n.º 8
0
def link_GL(name, restype, argtypes, requires=None, suggestions=None):
    try:
        func = getattr(gl_lib, name)
        func.restype = restype
        func.argtypes = argtypes
        decorate_function(func, name)
        return func
    except AttributeError:
        if _have_getprocaddress:
            # Fallback if implemented but not in ABI
            bname = cast(pointer(create_string_buffer(name)), POINTER(c_ubyte))
            addr = glXGetProcAddressARB(bname)
            if addr:
                ftype = CFUNCTYPE(*((restype, ) + tuple(argtypes)))
                func = cast(addr, ftype)
                decorate_function(func, name)
                return func

    return missing_function(name, requires, suggestions)