diff options
| author | Roland Scheidegger <[email protected]> | 2015-01-29 20:39:50 +0100 |
|---|---|---|
| committer | Roland Scheidegger <[email protected]> | 2015-01-29 22:08:12 +0100 |
| commit | f01e8d3ba5a33559f142f5eac390a7bcd9421067 (patch) | |
| tree | f8bb2f0cd04b2108c75984b6a1924c982c7c67b2 /src/gallium/docs/source/tgsi.rst | |
| parent | fc884eadf1fb188b7dea1a5c2f8ce37c6258e324 (diff) | |
gallium/docs: fix docs wrt ARL/ARR/FLR
since the address reg holds integer values, ARL/ARR do an implicit float-to-int
conversion, so clarify that. Thus it is also incorrect to say that FLR really
does the same as ARL.
Reviewed-by: Alex Deucher <[email protected]>
Reviewed-by: Jose Fonseca <[email protected]>
Diffstat (limited to 'src/gallium/docs/source/tgsi.rst')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index ff322e864ec..84b0ed60a80 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -48,13 +48,13 @@ used. .. math:: - dst.x = \lfloor src.x\rfloor + dst.x = (int) \lfloor src.x\rfloor - dst.y = \lfloor src.y\rfloor + dst.y = (int) \lfloor src.y\rfloor - dst.z = \lfloor src.z\rfloor + dst.z = (int) \lfloor src.z\rfloor - dst.w = \lfloor src.w\rfloor + dst.w = (int) \lfloor src.w\rfloor .. opcode:: MOV - Move @@ -313,8 +313,6 @@ This instruction replicates its result. .. opcode:: FLR - Floor -This is identical to :opcode:`ARL`. - .. math:: dst.x = \lfloor src.x\rfloor @@ -637,13 +635,13 @@ This instruction replicates its result. .. math:: - dst.x = round(src.x) + dst.x = (int) round(src.x) - dst.y = round(src.y) + dst.y = (int) round(src.y) - dst.z = round(src.z) + dst.z = (int) round(src.z) - dst.w = round(src.w) + dst.w = (int) round(src.w) .. opcode:: SSG - Set Sign |