[Mesa-dev] [WIP 05/25] i965/fs: Prepare virtual registers for double precision floats

[Jason Ekstrand]

On Oct 16, 2014 5:24 AM, "Topi Pohjolainen" <topi.pohjolainen at intel.com>
wrote:
>
> Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
> ---
>  src/mesa/drivers/dri/i965/brw_fs.cpp | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
> index e2e942c..bec7418 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
> @@ -1087,9 +1087,12 @@ fs_reg::fs_reg(fs_visitor *v, const struct
glsl_type *type)
>     int reg_width = v->dispatch_width / 8;
>
>     this->file = GRF;
> -   this->reg = v->virtual_grf_alloc(v->type_size(type) * reg_width);
>     this->reg_offset = 0;
>     this->type = brw_type_for_base_type(type);
> +
> +   const int dmul = (this->type == BRW_REGISTER_TYPE_DF) ? 2 : 1;
> +   this->reg = v->virtual_grf_alloc(v->type_size(type) * dmul *
reg_width);

Why not just make type_size return 2 for doubles?
--Jason Ekstrand

> +
>     this->width = v->dispatch_width;
>     assert(this->width == 8 || this->width == 16);
>  }
> --
> 1.8.3.1
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/mesa-dev/attachments/20141016/7a725073/attachment-0001.html>