diff options
| author | Roland Scheidegger <sroland@vmware.com> | 2010-02-09 21:48:43 +0100 |
|---|---|---|
| committer | Roland Scheidegger <sroland@vmware.com> | 2010-02-09 21:48:43 +0100 |
| commit | 98f8c4d0bb702c69fcddb504ddb702abc3aacc06 (patch) | |
| tree | 72660b2bd16b7179a20350e80ed02e30c68c31fe | |
| parent | c59446a4930ec93e55f7cd3d1fffe46585cbe506 (diff) | |
docs: fix up documentation for stencil ref value changes
Also fix and clarify depth/stencil/alpha documentation a bit.
| -rw-r--r-- | src/gallium/docs/source/context.rst | 5 | ||||
| -rw-r--r-- | src/gallium/docs/source/cso/dsa.rst | 15 |
2 files changed, 12 insertions, 8 deletions
diff --git a/src/gallium/docs/source/context.rst b/src/gallium/docs/source/context.rst index a7669575b9..9080addba4 100644 --- a/src/gallium/docs/source/context.rst +++ b/src/gallium/docs/source/context.rst @@ -49,8 +49,9 @@ Non-CSO State These pieces of state are too small, variable, and/or trivial to have CSO objects. They all follow simple, one-method binding calls, e.g. -``set_edgeflags``. - +``set_blend_color``. +* ``set_stencil_ref`` sets the stencil front and back reference values + which are used as comparison values in stencil test. * ``set_blend_color`` * ``set_clip_state`` * ``set_polygon_stipple`` diff --git a/src/gallium/docs/source/cso/dsa.rst b/src/gallium/docs/source/cso/dsa.rst index 12abaa9d6f..1bbe381f9e 100644 --- a/src/gallium/docs/source/cso/dsa.rst +++ b/src/gallium/docs/source/cso/dsa.rst @@ -11,9 +11,9 @@ they are all stored in one structure. During actual execution, the order of operations done on fragments is always: +* Alpha * Stencil * Depth -* Alpha Depth Members ------------- @@ -28,15 +28,18 @@ func Stencil Members --------------- -XXX document valuemask, writemask - enabled Whether the stencil test is enabled. For the second stencil, whether the - two-sided stencil is enabled. + two-sided stencil is enabled. If two-sided stencil is disabled, the other + fields for the second array member are not valid. func The stencil test function. One of PIPE_FUNC. -ref_value - Stencil test reference value; used for certain functions. +valuemask + Stencil test value mask; this is ANDed with the value in the stencil + buffer and the reference value before doing the stencil comparison test. +writemask + Stencil test writemask; this controls which bits of the stencil buffer + are written. fail_op The operation to carry out if the stencil test fails. One of PIPE_STENCIL_OP. |