Re: [Mesa3d-users] mesa compile problem

[Brian P. <bri...@tu...>]

If you have a graphics card/chip that's supported by one of the DRI 
drivers you'll get hardware acceleration for on-screen rendering.

-Brian

tran huy hoang wrote:
> hi,
>  Thanks very much for the answer. I am now trying the hardware driver 
> for mesa, the drm. Do you think it would help ?
> 
> */Brian Paul <bri...@tu...>/* wrote:
> 
>     tran huy hoang wrote:
>      > hi,
>      > I've done successfully with an older version : 6.4.2. But there is
>      > something I don't understand: is OffScreenRendering with Mesa faster
>      > than OnScreenRendering? I've test with a simple vtk program that
>     rotate
>      > a cone 1000 times while rendering the window, and it turned out that
>      > rendering on screen is much faster than Offscreen(I used
>     vtkRenderWindow
>      > VS vtkXMesaRenderWindow and so on...)
> 
>     I think Vtk might be using "mgl" Mesa for off-screen rendering and the
>     native OpenGL library for on-screen rendering. If the native OpenGL
>     library is using hardware, it'll certainly be faster.
> 
>     -Brian
> 
> 
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