[Mesa-stable] [PATCH] st/query: init result data with 0

[Karol Herbst]

yeah, I already send out a "doing it in the driver" patch for this:
https://lists.freedesktop.org/archives/mesa-dev/2017-August/167798.html

On Mon, Aug 28, 2017 at 10:22 PM, Marek Olšák <maraeo at gmail.com> wrote:
> You can also call util_query_clear_result in the driver.
>
> Marek
>
> On Sat, Aug 26, 2017 at 1:15 AM, Karol Herbst <karolherbst at gmail.com> wrote:
>> otherwise the result might contain random data.
>>
>> fixes on nvc0:
>>  * KHR-GL45.pipeline_statistics_query_tests_ARB.functional_default_qo_values
>>  * KHR-GL45.pipeline_statistics_query_tests_ARB.functional_non_rendering_commands_do_not_affect_queries
>>
>> Signed-off-by: Karol Herbst <karolherbst at gmail.com>
>> Cc: mesa-stable at lists.freedesktop.org
>> ---
>>  src/mesa/state_tracker/st_cb_queryobj.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/src/mesa/state_tracker/st_cb_queryobj.c b/src/mesa/state_tracker/st_cb_queryobj.c
>> index 4c25724b5d..9a65fe7bd9 100644
>> --- a/src/mesa/state_tracker/st_cb_queryobj.c
>> +++ b/src/mesa/state_tracker/st_cb_queryobj.c
>> @@ -211,7 +211,7 @@ get_query_result(struct pipe_context *pipe,
>>                   struct st_query_object *stq,
>>                   boolean wait)
>>  {
>> -   union pipe_query_result data;
>> +   union pipe_query_result data = { 0 };
>>
>>     if (!stq->pq) {
>>        /* Only needed in case we failed to allocate the gallium query earlier.
>> --
>> 2.14.1
>>
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