On Friday, June 26, 2015 03:15:46 PM Mike Stroyan wrote:
> The meta code was setting a default depth range for all viewports
> and 'restoring' all viewports to depth range values saved from viewport 0.
> ---
>  src/mesa/drivers/common/meta.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
> index 214a68a..9a75019 100644
> --- a/src/mesa/drivers/common/meta.c
> +++ b/src/mesa/drivers/common/meta.c
> @@ -728,7 +728,7 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
>        save->DepthNear = ctx->ViewportArray[0].Near;
>        save->DepthFar = ctx->ViewportArray[0].Far;
>        /* set depth range to default */
> -      _mesa_DepthRange(0.0, 1.0);
> +      _mesa_set_depth_range(ctx, 0, 0.0, 1.0);
>     }
>  
>     if (state & MESA_META_CLAMP_FRAGMENT_COLOR) {
> @@ -1129,7 +1129,7 @@ _mesa_meta_end(struct gl_context *ctx)
>           _mesa_set_viewport(ctx, 0, save->ViewportX, save->ViewportY,
>                              save->ViewportW, save->ViewportH);
>        }
> -      _mesa_DepthRange(save->DepthNear, save->DepthFar);
> +      _mesa_set_depth_range(ctx, 0, save->DepthNear, save->DepthFar);
>     }
>  
>     if (state & MESA_META_CLAMP_FRAGMENT_COLOR &&
> 

Good catch - this code predates GL_ARB_viewport_array, and really ought
to only change viewport 0.  Thanks, Mike!

Cc: "10.6 10.5" <mesa-sta...@lists.freedesktop.org>
Reviewed-by: Kenneth Graunke <kenn...@whitecape.org>

Is there a bugzilla entry related to this patch?

I'll plan to push this tonight/tomorrow unless someone else objects.

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