def __init__(self, bufferOptions=set(), **kw):
format = QtOpenGL.QGLFormat()
format.setRgba(True)
format.setAlpha(self.BufferOptions.Alpha in bufferOptions)
format.setDepth(self.BufferOptions.Depth in bufferOptions)
format.setDoubleBuffer(self.BufferOptions.Double in bufferOptions)
self.__multisample = self.BufferOptions.AntiAlias in bufferOptions
if self.__multisample:
format.setSampleBuffers(True)
format.setSamples(8)
if hasattr(
format,
"setVersion"): # setVersion doesn't exist in qt prior to 4.7.
format.setVersion(2, 1)
graphicsView = _GLGraphicsView(format)
self.__graphicsScene = _GLGraphicsScene(graphicsView,
Gaffer.WeakMethod(self.__draw))
graphicsView.setScene(self.__graphicsScene)
GafferUI.Widget.__init__(self, graphicsView, **kw)
self.__overlays = set()
def initialize_scene_view(self):
"""
Instantiates the proper Scene and enables OpenGL if necessary
Scene instantiation must be override in child classes
"""
if self._use_opengl:
self.setViewport(QtOpenGL.QGLWidget(QtOpenGL.QGLFormat(QtOpenGL.QGL.SampleBuffers)))
self.log.info('Initializing OpenGL renderer')
def use_OpenGL(self):
format = QtOpenGL.QGLFormat(QtOpenGL.QGL.SampleBuffers)
format.setSamples(4)
self.setViewport(QtOpenGL.QGLWidget(format))