[Mesa-dev] Mesa compatibility range

[Timothy Arceri]

Not really answering your question directly but Desktop chips have had 
2.1 support for the past 12+ years. IMO trying to support systems older 
than that is going to be more trouble than its worth, llvmpipe is 
unlikely to give you very good performance on a system that old.

On 11/4/19 1:37 am, Jonathan Jackson wrote:
> Hi all,
> 
> I am currently building an application using VTK 8.1 which requires 
> OpenGL 2.1, or more recent,
> 
> Support. Because I want to be able to run my application on as many 
> systems as possible, I am
> 
> Contemplating using a software renderer for cases where the system does 
> not support OpenGL 2.1.
> 
> As Mesa is already offered on linux, this is mostly a Windows question.
> 
> 1.My question is: Is it reasonable to think that llvmpipe (or other 
> drivers) will grand me a much wider
> 
> array of supported system if I use that implementation over the original 
> Windows one?
> 
> It would mean that systems that have no support for OpenGL 2.1 would 
> benefit from using Mesa over
> 
> Windows’ OpenGL and that Mesa is usable on much older/weaker systems.
> 
> 2.Another way to ask the question is: Is there a way of knowing which 
> specs a system is required to have
> 
> so it can support Mesa’s implementation of all of OpenGL 2.1? (is it 
> common that a system(high or low end)
> 
> will support all of Mesa’s equivalents of OpenGL 2.1 features).
> 
> Thank you for your support.
> 
> Jonathan Jackson
> 
> 
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