[Mesa-dev] [PATCH] draw: fix a regression in computing max elt

[Jose Fonseca]

Sounds good. Thanks for tracking this down!

Jose

----- Original Message -----
> gl can use elts without setting indices, in which case
> our eltMax was set to 0 and always invoking the overflow
> condition. So by default set eltMax to maximum, it will
> be curbed by draw_set_indexes (if it ever comes) and if
> not then it will let gl's glVertexPointer/glDrawArrays
> work correctly. Fixes piglit's
> triangle-rasterization-overdraw test.
> 
> Signed-off-by: Zack Rusin <zackr at vmware.com>
> ---
>  src/gallium/auxiliary/draw/draw_context.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/src/gallium/auxiliary/draw/draw_context.c
> b/src/gallium/auxiliary/draw/draw_context.c
> index 22c0e9b..4a08765 100644
> --- a/src/gallium/auxiliary/draw/draw_context.c
> +++ b/src/gallium/auxiliary/draw/draw_context.c
> @@ -138,6 +138,7 @@ boolean draw_init(struct draw_context *draw)
>     draw->clip_z = TRUE;
>  
>     draw->pt.user.planes = (float (*) [DRAW_TOTAL_CLIP_PLANES][4])
>     &(draw->plane[0]);
> +   draw->pt.user.eltMax = ~0;
>  
>     if (!draw_pipeline_init( draw ))
>        return FALSE;
> --
> 1.7.10.4
>