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Fixes issue #6898
The -emit-spirv-via-glsl slang-test option has been broken for
some amount of time. Tests that were using it were operating as
if using -emit-spirv-directly, leading to many duplicated tests.
After fixing the test option, there were an number of errors that
appeared as a result.
This change fixes the broken test option and the resulting test
errors. Some of the test errors revealed some legitimate issues,
such as:
-The GLSL bitCount instrinsic only supports 32-bit integers and
requires emulation for other bit widths.
-Emitting GLSL 8-bit and 16-bit glsl integer types did not emit
the proper extension requirements
-Emitting GLSL and casting for 16-bit integers was missing a
closing parenthesis.
-Missing profile for GL_EXT_shader_explicit_arithmetic_types
-Missing toType cases for UInt8/Int8 for the kIROp_BitCast case
in tryEmitInstExprImpl.
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Close #7014
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* promoting bitfield extraction and insertion to become intrinsics for internal compiler use
* removing duplicate intrinsics from glsl.meta.slang
* refactor: update function signatures of bitfield extraction and insertion to use uint as the parameter type for offset and bits.
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Co-authored-by: Nate Morrical <natemorrical@gmail.com>
Co-authored-by: Yong He <yonghe@outlook.com>
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* Fix and enable tests for metal.
* Fix.
* Fix.
* Fix tests.
* Fix warnings.
* Fix.
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Co-authored-by: Yong He <yonghe@Yongs-Mac-mini.local>
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* Add support for bitfields
Closes https://github.com/shader-slang/slang/issues/3559
* Set scopes for syntsized bitfield accessors
* Simplify generated code for bitfield accessors
* spelling
* regenerate vs project
* warnings
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