[Mesa-dev] [PATCH 0/8] Enable gl_ClipDistance in i965 GEN6+.
eric at anholt.net
Tue Sep 20 17:09:09 PDT 2011
On Tue, 20 Sep 2011 15:42:30 -0700, Paul Berry <stereotype441 at gmail.com> wrote:
> This patch series enables support for gl_ClipDistance in the Intel
> i965 driver. The first three patches are in mesa core (and hence
> potentially affect all drivers); the rest are i965-specific.
> For those of you who aren't concerned with the i965 driver, you will
> probably be most interested in looking at patch 2 in the series, which
> modifies the all-important gl_vert_result and gl_frag_attrib enums. I
> believe that the changes I've made don't violate any drivers'
> assumptions about the layout of these enums, but it would be good to
> get some confirmation about this from people more familiar with
> non-i965 code.
> This patch series depends on the patches "glsl hierarchical visitor:
> Do not overwrite base_ir for parameter lists." and "glsl: Implement a
> lowering pass for gl_ClipDistance.", which haven't landed yet since
> the latter is still under discussion. If you want to see the patches
> in their proper context, you can fetch branch clip-distance from
> Note that to try out the new functionality you'll need to have i965
> GEN6 hardware ("Sandy Bridge"), and you'll need to set the environment
> variable INTEL_GLSL_VERSION=130 to enable the (still experimental)
> GLSL-1.30 functionality.
The series is:
Reviewed-by: Eric Anholt <eric at anholt.net>
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