diff options
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 955ece8..2149d08 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -458,7 +458,11 @@ while DDY is allowed to be the same for the entire 2x2 quad. .. opcode:: PK2H - Pack Two 16-bit Floats - TBD +This instruction replicates its result. + +.. math:: + + dst = f32\_to\_f16(src.x) | f32\_to\_f16(src.y) << 16 .. opcode:: PK2US - Pack Two Unsigned 16-bit Scalars @@ -615,7 +619,15 @@ This instruction replicates its result. .. opcode:: UP2H - Unpack Two 16-Bit Floats - TBD +.. math:: + + dst.x = f16\_to\_f32(src0.x \& 0xffff) + + dst.y = f16\_to\_f32(src0.x >> 16) + + dst.z = f16\_to\_f32(src0.x \& 0xffff) + + dst.w = f16\_to\_f32(src0.x >> 16) .. note:: |