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gallium: introduce PIPE_CAP_CLIP_HALFZ.

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In preparation of ARB_clip_control. Let the driver decide if
it supports pipe_rasterizer_state::clip_halfz being set to true.

v3:
Initially enable on ilo.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Mathias Froehlich <Mathias.Froehlich@web.de
This commit is contained in:
Mathias Fröhlich
2014-09-14 15:17:07 +02:00
parent 85edaa8b72
commit 56088131d0
15 changed files with 20 additions and 0 deletions
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src/gallium/docs/source/screen.rst
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@@ -230,6 +230,9 @@ The integer capabilities:
different than the underlying resource's, as permitted by
ARB_texture_view. For example a 2d array texture may be reinterpreted as a
cube (array) texture and vice-versa.
* ``PIPE_CAP_CLIP_HALFZ``: Whether the driver supports the
pipe_rasterizer_state::clip_halfz being set to true. This is required
for enabling ARB_clip_control.
.. _pipe_capf: