diff options
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 4debcc6ecc4..039cb1c03d5 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -1031,9 +1031,21 @@ XXX so let's discuss it, yeah? TBD -.. opcode:: TXQ - Texture Size Query +.. opcode:: TXQ - Texture Size Query (as per NV_gpu_program4) + retrieve the dimensions of the texture + depending on the target. For 1D (width), 2D/RECT/CUBE + (width, height), 3D (width, height, depth), + 1D array (width, layers), 2D array (width, height, layers) - TBD +.. math:: + + lod = src0 + + dst.x = texture_width(unit, lod) + + dst.y = texture_height(unit, lod) + + dst.z = texture_depth(unit, lod) .. opcode:: CONT - Continue |