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GLSL and SPIR-V GLSL.std.450 don't have any requirements for fsign(NaN), and both only require that FSign(-0.0) == 0.0. OpenCL, on the other hand, requires sign(-0.0) be exactly -0.0. It also requires that sign(NaN) be exactly 0.0. In practice, this change is difficult to test. Our GLSL frontend already constant folds sign(NaN) to 0.0 before even getting to NIR. As far as I can tell, glslang does the same. I don't have a good way to run an OpenCL SPIR-V test. Maybe SPIR-V GLSL.std.450 assembly? No shader-db or fossil-db changes on any Intel platform. Acked-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6358> |
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| .. | ||
| glsl | ||
| nir | ||
| spirv | ||
| Android.glsl.gen.mk | ||
| Android.glsl.mk | ||
| Android.mk | ||
| Android.nir.gen.mk | ||
| Android.nir.mk | ||
| builtin_type_macros.h | ||
| glsl_types.cpp | ||
| glsl_types.h | ||
| Makefile.sources | ||
| meson.build | ||
| nir_types.cpp | ||
| nir_types.h | ||
| SConscript | ||
| SConscript.glsl | ||
| SConscript.nir | ||
| SConscript.spirv | ||
| shader_enums.c | ||
| shader_enums.h | ||
| shader_info.h | ||