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gallium/format: add support for X24S8 and S8X24 formats.

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these formats are needed for hw that can sample and write stencil values.

Signed-off-by: Dave Airlie <airlied@redhat.com>
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Dave Airlie
2010-10-06 09:30:17 +10:00
parent 4ecb2c105d
commit 66a0d1e4b9
6 changed files with 107 additions and 0 deletions
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src/gallium/docs/source/tgsi.rst
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@@ -1499,6 +1499,8 @@ well.
| Z | XXX TBD | (z, z, z, 1) | (0, z, 0, 1) |
| | | [#depth-tex-mode]_ | |
+--------------------+--------------+--------------------+--------------+
| S | (s, s, s, s) | unknown | unknown |
+--------------------+--------------+--------------------+--------------+
.. [#envmap-bumpmap] http://www.opengl.org/registry/specs/ATI/envmap_bumpmap.txt
.. [#depth-tex-mode] the default is (z, z, z, 1) but may also be (0, 0, 0, z)