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)
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)
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)
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)
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
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
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)
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)
