On Tue, Mar 31, 2015 at 2:33 PM, Matt Turner wrote:
> On Tue, Mar 31, 2015 at 11:30 AM, Rob Clark wrote:
>> On Tue, Mar 31, 2015 at 2:20 PM, Matt Turner wrote:
>>> Alternatively, Jason's implemented a pass to "resolve" booleans to
>>> these values, which is necessary for us on i965 Gen4 and Gen5
On Tue, Mar 31, 2015 at 11:30 AM, Rob Clark wrote:
> On Tue, Mar 31, 2015 at 2:20 PM, Matt Turner wrote:
>> Alternatively, Jason's implemented a pass to "resolve" booleans to
>> these values, which is necessary for us on i965 Gen4 and Gen5. You
>> could probably use that.
>
> ok, is that already
On Tue, Mar 31, 2015 at 2:20 PM, Matt Turner wrote:
> On Tue, Mar 31, 2015 at 11:11 AM, Rob Clark wrote:
>> On Tue, Mar 31, 2015 at 2:03 PM, Kenneth Graunke
>> wrote:
>>> I'm pretty sure you want b2f here, not u2f...the slt/sge/seq/sne opcodes
>>> are defined to return either 0.0 or 1.0. flt a
On Tue, Mar 31, 2015 at 11:11 AM, Rob Clark wrote:
> On Tue, Mar 31, 2015 at 2:03 PM, Kenneth Graunke
> wrote:
>> I'm pretty sure you want b2f here, not u2f...the slt/sge/seq/sne opcodes
>> are defined to return either 0.0 or 1.0. flt and friends return 0 or
>> 0x. u2f converts the num
On Tue, Mar 31, 2015 at 2:11 PM, Rob Clark wrote:
> On Tue, Mar 31, 2015 at 2:03 PM, Kenneth Graunke
> wrote:
>> On Tuesday, March 31, 2015 11:30:17 AM Rob Clark wrote:
>>> From: Rob Clark
>>>
>>> In freedreno these get implemented as the matching f* instruction plus a
>>> u2f to convert the re
On Tue, Mar 31, 2015 at 2:03 PM, Kenneth Graunke wrote:
> On Tuesday, March 31, 2015 11:30:17 AM Rob Clark wrote:
>> From: Rob Clark
>>
>> In freedreno these get implemented as the matching f* instruction plus a
>> u2f to convert the result to float 1.0/0.0. But less lines of code to
>> just let
On Tuesday, March 31, 2015 11:30:17 AM Rob Clark wrote:
> From: Rob Clark
>
> In freedreno these get implemented as the matching f* instruction plus a
> u2f to convert the result to float 1.0/0.0. But less lines of code to
> just let nir_opt_algebraic handle this for us, plus opens up some small
From: Rob Clark
In freedreno these get implemented as the matching f* instruction plus a
u2f to convert the result to float 1.0/0.0. But less lines of code to
just let nir_opt_algebraic handle this for us, plus opens up some small
window for other opt passes to improve (ie. if some shader ended
