On Fri, Jan 23, 2015 at 4:25 PM, Jason Ekstrand <ja...@jlekstrand.net>
wrote:
> I'll throw together a patch to make nir_src_copy take pointers to keep
> things consistent.
>
> Reviewed-by: Jason Ekstrand <jason.ekstr...@intel.com>
>
> On Thu, Jan 22, 2015 at 11:08 AM, Eric Anholt <e...@anholt.net> wrote:
>
>> Jason Ekstrand <ja...@jlekstrand.net> writes:
>>
>> > On Wed, Jan 21, 2015 at 5:26 PM, Eric Anholt <e...@anholt.net> wrote:
>> >
>> >> There aren't many users yet, but I wanted to do this from my
>> scalarizing
>> >> pass.
>> >> ---
>> >> src/glsl/nir/nir.c | 18 ++++++++++++++++++
>> >> src/glsl/nir/nir.h | 5 ++++-
>> >> src/glsl/nir/nir_lower_vec_to_movs.c | 7 ++-----
>> >> src/glsl/nir/nir_opt_peephole_select.c | 5 +----
>> >> 4 files changed, 25 insertions(+), 10 deletions(-)
>> >>
>> >> diff --git a/src/glsl/nir/nir.c b/src/glsl/nir/nir.c
>> >> index 16ad2da..e414df9 100644
>> >> --- a/src/glsl/nir/nir.c
>> >> +++ b/src/glsl/nir/nir.c
>> >> @@ -175,6 +175,24 @@ nir_dest nir_dest_copy(nir_dest dest, void
>> *mem_ctx)
>> >> return ret;
>> >> }
>> >>
>> >> +void
>> >> +nir_alu_src_copy(nir_alu_src *dest, nir_alu_src *src, void *mem_ctx)
>>
>
One more comment if it's not too late. Do you want src to be const here?
I guess it doesn't much matter, but it makes it a bit more clear.
--Jason
> >> +{
>> >>
>> >
>> > We already have nir_src_copy which returns a nir_src instead of taking a
>> > pointer. TBH, I'm not sure which I prefer, but it would be good to be
>> > consistent. Thoughts?
>>
>> Yeah, I was thinking that as the struct gets bigger, passing it around
>> on the stack gets worse. For API consistency, I think that would mean
>> pointers for both.
>>
>> >> diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
>> >> index 8dc5222..7f0aa36 100644
>> >> --- a/src/glsl/nir/nir.h
>> >> +++ b/src/glsl/nir/nir.h
>> >> @@ -569,7 +569,10 @@ typedef struct {
>> >> unsigned write_mask : 4; /* ignored if dest.is_ssa is true */
>> >> } nir_alu_dest;
>> >>
>> >> -#define OPCODE(name, num_inputs, output_size, output_type, \
>> >> +void nir_alu_src_copy(nir_alu_src *dest, nir_alu_src *src, void
>> *mem_ctx);
>> >> +void nir_alu_dest_copy(nir_alu_dest *dest, nir_alu_dest *src, void
>> >> *mem_ctx);
>> >> +
>> >> +#define OPCODE(name, num_inputs, output_size, output_type, \
>> >>
>> >
>> > Accidental whitespace change?
>>
>> Not sure how that happened, will fix.
>>
>
>
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