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brw: Update try_load_push_input to handle dword-unit offsets too

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We don't need this case today, but it's trivial to handle.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38990>
This commit is contained in:
Kenneth Graunke 2025-12-12 02:32:43 -08:00 • committed by Marge Bot
parent f601aa5ce7
commit f62f7d80e2
1 changed files with 5 additions and 4 deletions
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9
src/intel/compiler/brw/brw_nir.c
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@ -345,12 +345,13 @@ try_load_push_input(nir_builder *b,
nir_intrinsic_instr *io,
nir_def *offset)
{
if (!nir_def_is_const(offset) || !cb_data->vec4_access)
if (!nir_def_is_const(offset))
return NULL;
const unsigned base = io_base_slot(io, cb_data) +
nir_src_as_uint(nir_src_for_ssa(offset));
const uint32_t byte_offset = 16 * base + 4 * io_component(io, cb_data);
const unsigned offset_unit = cb_data->vec4_access ? 16 : 4;
const uint32_t byte_offset =
16 * io_base_slot(io, cb_data) + 4 * io_component(io, cb_data) +
offset_unit * nir_src_as_uint(nir_src_for_ssa(offset));
assert((byte_offset % 4) == 0);
const enum mesa_shader_stage stage = b->shader->info.stage;