def __init__(self, parent=None):
self.first = True
f = QGLFormat()
f.setVersion(3, 3)
f.setProfile(QGLFormat.CoreProfile)
f.setDoubleBuffer(True)
if QT_VERSION == 4:
QGLWidget.__init__(self, QGLContext(f, None), parent)
else:
# Qt 5
QGLWidget.__init__(self, QGLContext(f), parent)
print(('QGLWidget initialized for OpenGL version %d.%d' % (f.majorVersion(), f.minorVersion())))
print("This script creates a file called 'opengl-test.txt', containing information about the opengl support of your computer. Useful when debugging problems with the opengl version of BlueSky.")
def paintEvent(self, ev):
if self.usingGL:
current = QGLContext.currentContext()
self.glViewport.makeCurrent()
super(GLGraphicsView, self).paintEvent(ev)
self.glViewport.doneCurrent() # dirty workaround...
if current:
current.makeCurrent()
else:
super(GLGraphicsView, self).paintEvent(ev)
def getProcAddress(proc: bytes) -> int:
if sys.platform == 'win32':
_ctx = QGLContext.currentContext()
if _ctx is None:
return 0
_gpa = (_ctx.getProcAddress, proc.decode())
elif sys.platform == 'darwin':
_gpa = (glutGetProcAddress, proc)
else:
# noinspection PyUnresolvedReferences
_getProcAddress = PLATFORM.getExtensionProcedure
_getProcAddress.argtypes = [c_char_p]
_getProcAddress.restype = c_void_p
_gpa = (_getProcAddress, proc)
return _gpa[0](_gpa[1]).__int__()
def get_proc_address(name):
glctx = QGLContext.currentContext()
if glctx is None:
return 0
name = name.decode()
res = glctx.getProcAddress(name)
if name == 'glMPGetNativeDisplay' and res is None:
return MPGetNativeDisplay
try:
if sys.platform == 'win32' and res is None:
from PyQt5.QtWidgets import QOpenGLContext
from win32api import GetProcAddress
handle = QOpenGLContext.openGLModuleHandle()
if handle is not None:
res = GetProcAddress(handle, name)
except ImportError:
return 0
return res.__int__()
def get_proc_addr(_, name):
glctx = QGLContext.currentContext()
if glctx is None:
return 0
addr = int(glctx.getProcAddress(name.decode('utf-8')))
return addr
def get_proc_addr(_: Any, name: bytes) -> int:
glctx = QGLContext.currentContext()
if glctx is None:
return None
addr = int(glctx.getProcAddress(name.decode("utf-8")))
return addr
def get_proc_address(proc):
glctx = QGLContext.currentContext()
if glctx is None:
return None
addr = glctx.getProcAddress(str(proc, 'utf-8'))
return addr.__int__()