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pan/mid/fuse_io_cvt: Disable fusion on highp

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As discussed on gitlab, we should not convert before interpolation
at highp.

Signed-off-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Reviewed-by: Eric R. Smith <eric.smith@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41304>
This commit is contained in:
Lorenzo Rossi 2026-05-05 16:05:22 +02:00 • committed by Marge Bot
parent 8eeb5bbb52
commit 1257df83f9
1 changed files with 4 additions and 0 deletions
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4
src/panfrost/compiler/midgard/nir_fuse_io_16.c
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@ -41,6 +41,10 @@ nir_fuse_io_16(nir_shader *shader)
if (intr->def.bit_size != 32)
continue;
/* Do not change interpolation precision in highp */
if (!nir_intrinsic_io_semantics(intr).medium_precision)
continue;
/* We swizzle at a 32-bit level so need a multiple of 2. We could
* do a bit better and handle even components though */
if (nir_intrinsic_component(intr))