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i965: Use NIR to lower legacy userclipping.

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This allows us to drop legacy userclip plane handling in both the vec4
and FS backends, and simplifies a few interfaces.

v2 (Jason Ekstrand):
 - Move brw_nir_lower_legacy_clipping to brw_nir_uniforms.cpp because
   it's i965-specific.
 - Handle adding the params in brw_nir_lower_legacy_clipping
 - Call brw_nir_lower_legacy_clipping from brw_codegen_vs_prog

Co-authored-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Kenneth Graunke
2017-05-21 01:36:14 -07:00
committed by Jason Ekstrand
parent d10de25309
commit 517005b4cf
9 changed files with 64 additions and 158 deletions
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1
src/intel/compiler/brw_vec4.h
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@@ -109,7 +109,6 @@ public:
int *virtual_grf_start;
int *virtual_grf_end;
brw::vec4_live_variables *live_intervals;
dst_reg userplane[MAX_CLIP_PLANES];
bool need_all_constants_in_pull_buffer;