[Wine] Which version of OpenGL is wine using?
huk256 at gmail.com
Mon Apr 27 13:51:42 CDT 2009
2009/4/27 vitamin <wineforum-user at winehq.org>
> James Huk wrote:
> > 4.What about wine support for cards other then Geforce or Radeon? For
> > example, few month ago S3 released something called Chrome GTX 540 – with
> > full OpenGL 3.0 support – assuming drivers are not buggy, will that card
> > work well with wine? Will features like PS(Pixel Shaders) and VS(Vertex
> > Shaders) be supported?
> OpenGL is OpenGL no matter who implemented it. It will be supported. What
> exactly will be available depends on HW & driver.
> James Huk wrote:
> > 5.If I remember correctly – before OpenGL 3.0 you could use PS only with
> > Nvidia hardware thought one of the extensions – did that change with the
> > release of OpenGL 3.0 – in other words, can you use generic OpenGL (NOT
> > vendor specific extension) to get GLSL and ARB to “emulate” DX Pixel and
> > Vertex Shaders? If so, are you planning to rewrite wine to use this
> > OpenGL instead of extensions?
> Wrong. Wine support PS & VS with any card providing ARB/GLSL. And Wine
> currently desn't use OGL 3.
> Wine has 2 shader backends GLSL and ARB. These _are_ the shader
> implementations. There is nothing to emulate. ARB supports up to 1.4
> shaders. So if GLSL available Wine prefers that instead. GLSL supports
> shaders all the way to 4.0
> Wine will not do any sort of shader emulations if they are not supported by
> the hardware / driver.
Thanks once again, LAST question – if I get you all correctly, then graphics
problems with ATI/Intel and other hardware are only driver related (well OK,
maybe with Intel also HW related) or maybe mesa/dri itself is simply not up
to the challenge?
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