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Diffstat (limited to 'src/gallium/docs/source/tgsi.rst')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 12 |
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 |