[Mesa-dev] [PATCH 1/3] gallium: document PK2H/UP2H

[Ilia Mirkin]

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/gallium/docs/source/tgsi.rst | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 01e18f3..1d19db3 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -458,7 +458,9 @@ while DDY is allowed to be the same for the entire 2x2 quad.
 
 .. opcode:: PK2H - Pack Two 16-bit Floats
 
-  TBD
+.. math::
+
+  dst.x = f32_to_f16(src.x) | f32_to_f16(src.y) << 16
 
 
 .. opcode:: PK2US - Pack Two Unsigned 16-bit Scalars
@@ -615,7 +617,11 @@ 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)
 
 .. note::
 
-- 
2.4.10