Re: [Mesa-dev] GLSLstd450NMin/NMax/NClamp

2020-11-18 Thread Brian Paul
On 11/17/2020 01:59 PM, Brian Paul wrote: On 11/17/2020 11:45 AM, Ian Romanick wrote: On 11/17/20 9:25 AM, Brian Paul wrote: It appears these SPIR-V extension functions don't behave as they should on Intel (don't know about other Vulkan drivers). They're supposed to be NaN-aware such that if

[Mesa-dev] Intent to retire ancient driver support

2020-11-18 Thread Adam Jackson
Sending this on to the list for visibility, since not everyone follows everything on gitlab. In this merge request: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7660 I retire support for DRI drivers older than Mesa 8.0, which was February 2012. In particular this retires the ability

Re: [Mesa-dev] SpvOpSelect w/ float operands

2020-11-18 Thread Brian Paul
On 11/18/2020 02:49 AM, Connor Abbott wrote: On Tue, Nov 17, 2020 at 9:56 PM Brian Paul wrote: On 11/17/2020 11:49 AM, Ian Romanick wrote: On 11/17/20 9:25 AM, Brian Paul wrote: Using the Intel Vulkan driver, we've found some cases where SpvOpSelect is returning -0.0 (negative zeros) instea

Re: [Mesa-dev] SpvOpSelect w/ float operands

2020-11-18 Thread Connor Abbott
On Tue, Nov 17, 2020 at 9:56 PM Brian Paul wrote: > > On 11/17/2020 11:49 AM, Ian Romanick wrote: > > On 11/17/20 9:25 AM, Brian Paul wrote: > >> > >> Using the Intel Vulkan driver, we've found some cases where SpvOpSelect > >> is returning -0.0 (negative zeros) instead of normal 0.0 depending on