OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

glsl: Add "built-in" functions to convert bool to double

Browse Source 
And vice versa.

Reviewed-by: Elie Tournier <tournier.elie@gmail.com>
This commit is contained in:
Matt Turner
2018-11-08 22:12:16 -08:00
parent e213f3871f
commit 15757bc80b
1 changed files with 12 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/compiler/glsl/float64.glsl
View File

@@ -951,6 +951,18 @@ __int_to_fp64(int a)
return __packFloat64(zSign, 0x412 - shiftCount, zFrac0, zFrac1); return __packFloat64(zSign, 0x412 - shiftCount, zFrac0, zFrac1);
} }
bool
__fp64_to_bool(uint64_t a)
{
return !__feq64_nonnan(__fabs64(a), 0ul);
}
uint64_t
__bool_to_fp64(bool a)
{
return __int_to_fp64(int(a));
}
/* Packs the sign `zSign', exponent `zExp', and significand `zFrac' into a /* Packs the sign `zSign', exponent `zExp', and significand `zFrac' into a
* single-precision floating-point value, returning the result. After being * single-precision floating-point value, returning the result. After being
* shifted into the proper positions, the three fields are simply added * shifted into the proper positions, the three fields are simply added