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docs: fix up documentation for stencil ref value changes

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Also fix and clarify depth/stencil/alpha documentation a bit.
This commit is contained in:
Roland Scheidegger
2010-02-09 21:48:43 +01:00
parent c59446a493
commit 98f8c4d0bb
2 changed files with 12 additions and 8 deletions
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5
src/gallium/docs/source/context.rst
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@@ -49,8 +49,9 @@ Non-CSO State
These pieces of state are too small, variable, and/or trivial to have CSO 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. 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_blend_color``
* ``set_clip_state`` * ``set_clip_state``
* ``set_polygon_stipple`` * ``set_polygon_stipple``

15
src/gallium/docs/source/cso/dsa.rst
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@@ -11,9 +11,9 @@ they are all stored in one structure.
During actual execution, the order of operations done on fragments is always: During actual execution, the order of operations done on fragments is always:
* Alpha
* Stencil * Stencil
* Depth * Depth
* Alpha
Depth Members Depth Members
------------- -------------
@@ -28,15 +28,18 @@ func
Stencil Members Stencil Members
--------------- ---------------
XXX document valuemask, writemask
enabled enabled
Whether the stencil test is enabled. For the second stencil, whether the 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 func
The stencil test function. One of PIPE_FUNC. The stencil test function. One of PIPE_FUNC.
ref_value valuemask
Stencil test reference value; used for certain functions. 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 fail_op
The operation to carry out if the stencil test fails. One of The operation to carry out if the stencil test fails. One of
PIPE_STENCIL_OP. PIPE_STENCIL_OP.