52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
#------------------------------------------------------------------------------
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#
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# PyGUI - GLContext - Win32
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#
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#------------------------------------------------------------------------------
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import OpenGL as gl
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from OpenGL import WGL as wgl
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import WGL
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from GUI.GGLContexts import GLContext as GGLContext
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class GLContext(GGLContext):
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# _win_context WGL context
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# _win_dblbuf Is double buffered
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def __init__(self, share_group, config, hdc, mode):
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print "GLContext: mode =", mode ###
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GGLContext.__init__(self, share_group)
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shared_context = self._get_shared_context()
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if shared_context:
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share_ctx = shared_context._win_context
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else:
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share_ctx = None
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ipf, act_attrs = config._win_supported_pixelformat(hdc, mode)
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if ipf is None:
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raise GLConfigError
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#config._check_win_pixelattrs(act_attrs, mode)
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print "GLContext: Setting pixel format", ipf, "for hdc", hdc ###
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WGL.SetPixelFormat(hdc, ipfs)
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ctx = wgl.wglCreateContext(hdc)
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if share_ctx:
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wgl.wglShareLists(share_ctx, ctx)
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self._win_context = ctx
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self._win_dblbuf = actpf.dwFlags & wgl.PFD_DOUBLEBUFFER != 0
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def destroy(self):
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wgl.wglDeleteContext(self._win_context)
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def _with_context(self, hdc, proc, flush = False):
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old_hdc = wgl.wglGetCurrentDC()
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old_ctx = wgl.wglGetCurrentContext()
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result = wgl.wglMakeCurrent(hdc, self._win_context)
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try:
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self._with_share_group(proc)
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if flush:
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if self._win_dblbuf:
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wgl.SwapBuffers(hdc)
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else:
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gl.glFlush()
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finally:
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wgl.wglMakeCurrent(old_hdc, old_ctx)
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