What is the reason to use GL_FRONT_LEFT in wglMakeCurrent()

Tomas Carnecky tom at dbservice.com
Mon Mar 27 10:33:27 CST 2006

Huw D M Davies wrote:
> On Mon, Mar 27, 2006 at 05:05:23PM +0100, Huw D M Davies wrote:
>> Ah right, glDrawBuffer alters the rendering state, that's bad.  We
>> should presumably be calling glXSwapBuffers here (but only in the
>> GLXPixmap case).
> Which of course won't work either.
> We need to find out what happens to the render state under Windows
> when we make call wglMakeCurrent on a bitmap (I know that even with
> the rendering state set for GL_BACK then the bitmap gets drawn on) and
> whether we restore the rendering context when we switch back to using
> some other dc afterwards.  We probably shouldn't do anything in the
> pbuffer case (which is what's causing your problem I guess).
> The big issue is that pbuffers and bitmap rendering are getting
> confused all over the place.

Feel free to take http://dbservice.com/tom/LinuxTest.cpp, change it and
test it.. it's a win32 application, despite its name :)


More information about the wine-devel mailing list