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gallium: separate out floating-point CAPs into its own enum

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The motivation behind this is to add some self-documentation in the code
about how each CAP can be used.

The idea is:
- enum pipe_cap is only valid in get_param
- enum pipe_capf is only valid in get_paramf

Which CAPs are floating-point have been determined based on how everybody
except svga implemented the functions. svga have been modified to match all
the other drivers.

Besides that, the floating-point CAPs are now prefixed with PIPE_CAPF_.
This commit is contained in:
Marek Olšák
2011-11-19 22:38:22 +01:00
parent 2a0126932b
commit bb71f9249a
22 changed files with 157 additions and 130 deletions
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28
src/gallium/docs/source/screen.rst
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@@ -73,20 +73,26 @@ The integer capabilities:
* ``PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER``: Whether the TGSI
property FS_COORD_PIXEL_CENTER with value INTEGER is supported.
The floating-point capabilities:
* ``PIPE_CAP_MAX_LINE_WIDTH``: The maximum width of a regular line.
* ``PIPE_CAP_MAX_LINE_WIDTH_AA``: The maximum width of a smoothed line.
* ``PIPE_CAP_MAX_POINT_WIDTH``: The maximum width and height of a point.
* ``PIPE_CAP_MAX_POINT_WIDTH_AA``: The maximum width and height of a smoothed point.
* ``PIPE_CAP_MAX_TEXTURE_ANISOTROPY``: The maximum level of anisotropy that can be
.. _pipe_capf:
PIPE_CAPF_*
^^^^^^^^^^^^^^^^
The floating-point capabilities are:
* ``PIPE_CAPF_MAX_LINE_WIDTH``: The maximum width of a regular line.
* ``PIPE_CAPF_MAX_LINE_WIDTH_AA``: The maximum width of a smoothed line.
* ``PIPE_CAPF_MAX_POINT_WIDTH``: The maximum width and height of a point.
* ``PIPE_CAPF_MAX_POINT_WIDTH_AA``: The maximum width and height of a smoothed point.
* ``PIPE_CAPF_MAX_TEXTURE_ANISOTROPY``: The maximum level of anisotropy that can be
applied to anisotropically filtered textures.
* ``PIPE_CAP_MAX_TEXTURE_LOD_BIAS``: The maximum :term:`LOD` bias that may be applied
* ``PIPE_CAPF_MAX_TEXTURE_LOD_BIAS``: The maximum :term:`LOD` bias that may be applied
to filtered textures.
* ``PIPE_CAP_GUARD_BAND_LEFT``,
``PIPE_CAP_GUARD_BAND_TOP``,
``PIPE_CAP_GUARD_BAND_RIGHT``,
``PIPE_CAP_GUARD_BAND_BOTTOM``: TODO
* ``PIPE_CAPF_GUARD_BAND_LEFT``,
``PIPE_CAPF_GUARD_BAND_TOP``,
``PIPE_CAPF_GUARD_BAND_RIGHT``,
``PIPE_CAPF_GUARD_BAND_BOTTOM``: TODO
.. _pipe_shader_cap: