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-rw-r--r--src/gallium/docs/source/tgsi.rst12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 314c9ca8fa2..314fe1bb74f 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -960,7 +960,6 @@ XXX doesn't look like most of the opcodes really belong here.
For components which don't return a resource dimension, their value
is undefined.
-
.. math::
lod = src0.x
@@ -973,6 +972,17 @@ XXX doesn't look like most of the opcodes really belong here.
dst.w = texture\_levels(unit)
+
+.. opcode:: TXQS - Texture Samples Query
+
+ This retrieves the number of samples in the texture, and stores it
+ into the x component. The other components are undefined.
+
+.. math::
+
+ dst.x = texture\_samples(unit)
+
+
.. opcode:: TG4 - Texture Gather
As per ARB_texture_gather, gathers the four texels to be used in a bi-linear