AuroraMiddleware/SPIRV-Tools
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3 Commits

Author SHA1 Message Date
Nathan Gauër
1a7f71afb4
clean: constexpr-ify and unify anon namespace use (#4991) 
Constexpr guaranteed no runtime init in addition to const semantics.
Moving all opt/ to constexpr.
Moving all compile-unit statics to anonymous namespaces to uniformize
the method used (anonymous namespace vs static has the same behavior
here AFAIK).

Signed-off-by: Nathan Gauër <brioche@google.com>
 2022-11-17 19:02:50 +01:00
alan-baker
d35a78db57
Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 
Fixes #4960

* Switches to using enum classes with an underlying type to avoid
  undefined behaviour
 2022-11-04 17:27:10 -04:00
Jaebaek Seo
d997c83b10
Add spirv-opt pass to replace descriptor accesses based on variable indices (#4574) 
This commit adds a spirv-opt pass to replace accesses to
descriptor array based on variable indices with constant
elements.

Before:
```
%descriptor = OpVariable %_ptr_array_Image Uniform
...
%ac = OpAccessChain %_ptr_Image %descriptor %variable_index
(some image instructions using %ac)
```
After:
```
%descriptor = OpVariable %_ptr_array_Image Uniform
...
OpSwitch %variable_index 0 %case0 1 %case1 ...
...
%case0 = OpLabel
%ac = OpAccessChain %_ptr_Image %descriptor %uint_0
...
%case1 = OpLabel
%ac = OpAccessChain %_ptr_Image %descriptor %uint_1
...
(use OpPhi for value with concrete type)
```
 2021-10-26 17:20:58 -04:00