[Mesa-dev] [PATCH 06/11] nir/constant_folding: support 16-bit constants

Chema Casanova jmcasanova at igalia.com
Wed Apr 25 12:00:09 UTC 2018


El 24/04/18 a las 23:52, Jason Ekstrand escribió:
> On Wed, Apr 11, 2018 at 12:20 AM, Iago Toral Quiroga <itoral at igalia.com
> <mailto:itoral at igalia.com>> wrote:
> 
>     From: Jose Maria Casanova Crespo <jmcasanova at igalia.com
>     <mailto:jmcasanova at igalia.com>>
> 
>     ---
>      src/compiler/nir/nir_opt_constant_folding.c | 2 ++
>      1 file changed, 2 insertions(+)
> 
>     diff --git a/src/compiler/nir/nir_opt_constant_folding.c
>     b/src/compiler/nir/nir_opt_constant_folding.c
>     index d6be807b3dc..b63660ea4da 100644
>     --- a/src/compiler/nir/nir_opt_constant_folding.c
>     +++ b/src/compiler/nir/nir_opt_constant_folding.c
>     @@ -78,6 +78,8 @@ constant_fold_alu_instr(nir_alu_instr *instr, void
>     *mem_ctx)
>                 j++) {
>               if (load_const->def.bit_size == 64)
>                  src[i].u64[j] =
>     load_const->value.u64[instr->src[i].swizzle[j]];
>     +         else if (load_const->def.bit_size == 16)
>     +            src[i].u16[j] =
>     load_const->value.u16[instr->src[i].swizzle[j]];
>               else
>                  src[i].u32[j] =
>     load_const->value.u32[instr->src[i].swizzle[j]];
> 
> 
> Let's make this a switch and support 8 while we're at it.

Karol Herbst has just sent just a patch with these changes done. So I've
reviewed it as I got to the same patch.

> 
>            }
>     -- 
>     2.14.1
> 
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> 
> 
> 
> 
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