def attach(self, canvas):
share = self.context_share
if share:
if not share.canvas:
raise RuntimeError('Share context has no canvas.')
share = share._context
attribs = []
if self.config.major_version is not None:
attribs.extend([wglext_arb.WGL_CONTEXT_MAJOR_VERSION_ARB,
self.config.major_version])
if self.config.minor_version is not None:
attribs.extend([wglext_arb.WGL_CONTEXT_MINOR_VERSION_ARB,
self.config.minor_version])
flags = 0
if self.config.forward_compatible:
flags |= wglext_arb.WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
if self.config.debug:
flags |= wglext_arb.WGL_DEBUG_BIT_ARB
if flags:
attribs.extend([wglext_arb.WGL_CONTEXT_FLAGS_ARB, flags])
attribs.append(0)
attribs = (c_int * len(attribs))(*attribs)
self.config._set_pixel_format(canvas)
self._context = wglext_arb.wglCreateContextAttribsARB(canvas.hdc,
share, attribs)
super(Win32ARBContext, self).attach(canvas)
def attach(self, canvas):
share = self.context_share
if share:
if not share.canvas:
raise RuntimeError('Share context has no canvas.')
share = share._context
attribs = []
if self.config.major_version is not None:
attribs.extend([
wglext_arb.WGL_CONTEXT_MAJOR_VERSION_ARB,
self.config.major_version
])
if self.config.minor_version is not None:
attribs.extend([
wglext_arb.WGL_CONTEXT_MINOR_VERSION_ARB,
self.config.minor_version
])
flags = 0
if self.config.forward_compatible:
flags |= wglext_arb.WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
if self.config.debug:
flags |= wglext_arb.WGL_DEBUG_BIT_ARB
if flags:
attribs.extend([wglext_arb.WGL_CONTEXT_FLAGS_ARB, flags])
attribs.append(0)
attribs = (c_int * len(attribs))(*attribs)
self.config._set_pixel_format(canvas)
self._context = wglext_arb.wglCreateContextAttribsARB(
canvas.hdc, share, attribs)
super(Win32ARBContext, self).attach(canvas)
