https://bugs.freedesktop.org/show_bug.cgi?id=109204
Bug ID: 109204
Summary: [regression, bisected] retroarch's crt-royale shader
crash radv
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Vulkan/radeon
Assignee: mesa-dev@lists.freedesktop.org
Reporter: osch...@web.de
QA Contact: mesa-dev@lists.freedesktop.org
Created attachment 142933
--> https://bugs.freedesktop.org/attachment.cgi?id=142933&action=edit
bisect log
When running retroarch with any of the crt-royale shaders applied, it crashed
within libvulkan_radeon.so.
This affects Mesa 18.3.1 and current -git 8c93ef5de98a90a93, 18.2.8 works fine.
LLVM version doesn't seem to make a difference. AMDVLK also works as expected.
Bisecting produced the first bad commit as:
commit a45b6fb45246f6b8e2b4a06977f199cc77452289
Author: Jason Ekstrand <jason.ekstr...@intel.com>
Date: Sat Sep 22 09:46:26 2018 -0500
spirv: Pass SSA values through functions
Previously, we would create temporary variables and fill them out.
Instead, we create as many function parameters as we need and pass them
through as SSA defs.
Reviewed-by: Iago Toral Quiroga <ito...@igalia.com>
The crt-royale slang shader can be found here:
https://github.com/libretro/slang-shaders/tree/master/crt
I'll attach the bisect log, a gdb backtrace, and a coredump.
coredump: https://drive.google.com/open?id=13weXQtqouPYlJeER0kYXDJHDJGK7AZl9
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