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nir: Add r600 specific intrinsic for loading the tesselation coords

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Only the XY pair is provided directly, the Z value has to be deducted
from the primitive type.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9373>
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Gert Wollny 2021-03-02 20:21:53 +01:00 • committed by Marge Bot
parent 6f4c4df6c2
commit 81b41e0c76
1 changed files with 3 additions and 0 deletions
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3
src/compiler/nir/nir_intrinsics.py
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@ -1119,6 +1119,9 @@ system_value("tcs_out_param_base_r600", 4)
system_value("tcs_rel_patch_id_r600", 1)
system_value("tcs_tess_factor_base_r600", 1)
# the tess coords come as xy only, z has to be calculated
system_value("tess_coord_r600", 2)
# load as many components as needed giving per-component addresses
intrinsic("load_local_shared_r600", src_comp=[0], dest_comp=0, indices = [], flags = [CAN_ELIMINATE])