[Mesa-dev] [PATCH] radeonsi: do not assert when reserving bindless slot 0

[Nicolai Hähnle]

On 23.08.2017 10:10, Samuel Pitoiset wrote:
> Both solutions look good to me.
> 
> On 08/23/2017 10:06 AM, Michael Schellenberger Costa wrote:
>> Hi Samuel,
>>
>> do you want to fully remove the assert or should this be something the 
>> kind of
>>
>> MAYBE_UNUSED unsigned res = 
>> util_idalloc_alloc(&sctx->bindless_used_slots);
>> assert(res != 0);

I think you got the sense of the assertion wrong :)

Cheers,
Nicolai

>>
>> --Michael
>>
>> -----Ursprüngliche Nachricht-----
>> Von: mesa-dev [mailto:mesa-dev-bounces at lists.freedesktop.org] Im 
>> Auftrag von Samuel Pitoiset
>> Gesendet: Mittwoch, 23. August 2017 09:43
>> An: mesa-dev at lists.freedesktop.org
>> Betreff: [Mesa-dev] [PATCH] radeonsi: do not assert when reserving 
>> bindless slot 0
>>
>> When assertions were disabled, the compiler removed
>> the call to util_idalloc_alloc() and the first allocated
>> bindless slot was 0 which is invalid per the spec.
>>
>> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
>> ---
>>   src/gallium/drivers/radeonsi/si_descriptors.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c 
>> b/src/gallium/drivers/radeonsi/si_descriptors.c
>> index f66ecc3e68..c53253ac8d 100644
>> --- a/src/gallium/drivers/radeonsi/si_descriptors.c
>> +++ b/src/gallium/drivers/radeonsi/si_descriptors.c
>> @@ -2192,7 +2192,7 @@ static void si_init_bindless_descriptors(struct 
>> si_context *sctx,
>>       util_idalloc_resize(&sctx->bindless_used_slots, num_elements);
>>       /* Reserve slot 0 because it's an invalid handle for bindless. */
>> -    assert(!util_idalloc_alloc(&sctx->bindless_used_slots));
>> +    util_idalloc_alloc(&sctx->bindless_used_slots);
>>   }
>>   static void si_release_bindless_descriptors(struct si_context *sctx)
>>
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