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radv: skip loading unused push constants

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32408>
This commit is contained in:
Rhys Perry
2024-11-28 12:57:16 +00:00
committed by Marge Bot
parent 2e63da865b
commit 77f8436c62
1 changed files with 8 additions and 0 deletions
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8
src/amd/vulkan/nir/radv_nir_apply_pipeline_layout.c
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@@ -365,9 +365,17 @@ load_push_constant(nir_builder *b, apply_layout_state *state, nir_intrinsic_inst
const unsigned max_push_constant = sizeof(state->args->ac.inline_push_const_mask) * 8u;
nir_component_mask_t comps_read = nir_def_components_read(&intrin->def);
nir_def *data[NIR_MAX_VEC_COMPONENTS * 2];
unsigned num_loads = 0;
for (unsigned start = 0; start < count;) {
if (!(comps_read & BITFIELD64_BIT(start >> (bit_size == 64 ? 1 : 0)))) {
data[num_loads++] = nir_undef(b, 1, 32);
start += 1;
continue;
}
/* Try to use inline push constants when possible. */
unsigned inline_idx = const_offset + start;
if (const_offset != -1 && inline_idx < max_push_constant &&