diff options
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index ebee4902b05..ef068448e83 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -1231,10 +1231,8 @@ TGSI_SEMANTIC_PSIZE """"""""""""""""""" PSIZE, or point size, is used to specify point sizes per-vertex. It should -be in ``(p, n, x, f)`` format, where ``p`` is the point size, ``n`` is the minimum -size, ``x`` is the maximum size, and ``f`` is the fade threshold. - -XXX this is arb_vp. is this what we actually do? should double-check... +be in ``(s, 0, 0, 1)`` format, where ``s`` is the (possibly clamped) point size. +Only the first component matters when writing from the vertex shader. When using this semantic, be sure to set the appropriate state in the :ref:`rasterizer` first. |