[Mesa-dev] [PATCH 08/10] meta: Add support for glClear() to integer color buffers.
Eric Anholt
eric at anholt.net
Wed Nov 9 11:46:08 PST 2011
On Tue, 08 Nov 2011 19:46:13 -0800, Kenneth Graunke <kenneth at whitecape.org> wrote:
> On 11/04/2011 03:01 PM, Eric Anholt wrote:
> > This requires using a new fragment shader to get the integer color
> > output, and a new vertex shader because #version has to match between
> > the two.
>
> Hm. The extra VS is rather unfortunate (it's exactly the same other
> than the #version), but I suppose necessary.
>
> One comment...
>
> You don't appear to have any code to associate "out_color" with a
> location; I suppose it's implicitly 0 since it's the only output. Is it
> worth setting this explicitly?
>
> I'll accept "No, it's fine" as an answer. :)
>
> Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Given that I had to look up the spec saying that assignment starts from
0, yes, it does merit a comment explaining why this works.
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