Module: Mesa Branch: master Commit: 63d60979109fc715fbfb293ce0f831e792f45549 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=63d60979109fc715fbfb293ce0f831e792f45549
Author: Michal Krol <[email protected]> Date: Wed Feb 3 15:45:32 2010 +0100 docs: Document TGSI Declaration token. --- src/gallium/docs/source/tgsi.rst | 28 ++++++++++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-) diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 5478d86..fc5482d 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -1280,6 +1280,34 @@ Other tokens --------------- +Declaration +^^^^^^^^^^^ + + +Declares a register that is will be referenced as an operand in Instruction +tokens. + +File field contains register file that is being declared and is one +of TGSI_FILE. + +UsageMask field specifies which of the register components can be accessed +and is one of TGSI_WRITEMASK. + +Interpolate field is only valid for fragment shader INPUT register files. +It specifes the way input is being interpolated by the rasteriser and is one +of TGSI_INTERPOLATE. + +If Dimension flag is set to 1, a Declaration Dimension token follows. + +If Semantic flag is set to 1, a Declaration Semantic token follows. + +CylindricalWrap bitfield is only valid for fragment shader INPUT register +files. It specifies which register components should be subject to cylindrical +wrapping when interpolating by the rasteriser. If TGSI_CYLINDRICAL_WRAP_X +is set to 1, the X component should be interpolated according to cylindrical +wrapping rules. + + Declaration Semantic ^^^^^^^^^^^^^^^^^^^^^^^^ _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
