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intel/brw: Don't emit Z coordinate interpolation if CPS isn't in use.

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Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28283>
This commit is contained in:
Francisco Jerez 2022-08-17 18:14:31 -07:00 • committed by Marge Bot
parent 475fb68726
commit 0d92ec44e5
1 changed files with 2 additions and 1 deletions
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3
src/intel/compiler/brw_fs_visitor.cpp
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@ -352,7 +352,8 @@ fs_visitor::emit_interpolation_setup()
abld = bld.annotate("compute pos.z");
fs_reg coarse_z;
if (wm_prog_data->uses_depth_w_coefficients) {
if (wm_prog_data->coarse_pixel_dispatch != BRW_NEVER &&
wm_prog_data->uses_depth_w_coefficients) {
/* In coarse pixel mode, the HW doesn't interpolate Z coordinate
* properly. In the same way we have to add the coarse pixel size to
* pixels locations, here we recompute the Z value with 2 coefficients