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zink: lower vec8/16

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Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25330>
This commit is contained in:
Karol Herbst 2023-09-19 14:44:26 +02:00 • committed by Marge Bot
parent 807ff7ed01
commit 0288cb0a0c
1 changed files with 36 additions and 0 deletions
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36
src/gallium/drivers/zink/zink_compiler.c
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@ -5313,6 +5313,29 @@ zink_type_size(const struct glsl_type *type, bool bindless)
return glsl_count_attribute_slots(type, false);
}
static nir_mem_access_size_align
mem_access_size_align_cb(nir_intrinsic_op intrin, uint8_t bytes,
uint8_t bit_size, uint32_t align,
uint32_t align_offset, bool offset_is_const,
const void *cb_data)
{
align = nir_combined_align(align, align_offset);
assert(util_is_power_of_two_nonzero(align));
return (nir_mem_access_size_align){
.num_components = MIN2(bytes / (bit_size / 8), 4),
.bit_size = bit_size,
.align = bit_size / 8,
};
}
static uint8_t
lower_vec816_alu(const nir_instr *instr, const void *cb_data)
{
return 4;
}
struct zink_shader *
zink_shader_create(struct zink_screen *screen, struct nir_shader *nir)
{
@ -5351,6 +5374,19 @@ zink_shader_create(struct zink_screen *screen, struct nir_shader *nir)
lower_io_flags |= nir_lower_io_lower_64bit_to_32;
NIR_PASS_V(nir, nir_lower_io, nir_var_shader_in, zink_type_size, lower_io_flags);
nir->info.io_lowered = true;
if (nir->info.stage == MESA_SHADER_KERNEL) {
nir_lower_mem_access_bit_sizes_options lower_mem_access_options = {
.modes = nir_var_all,
.may_lower_unaligned_stores_to_atomics = true,
.callback = mem_access_size_align_cb,
.cb_data = screen,
};
NIR_PASS_V(nir, nir_lower_mem_access_bit_sizes, &lower_mem_access_options);
NIR_PASS_V(nir, nir_lower_alu_width, lower_vec816_alu, NULL);
NIR_PASS_V(nir, nir_lower_alu_vec8_16_srcs);
}
optimize_nir(nir, NULL);
nir_foreach_variable_with_modes(var, nir, nir_var_shader_in | nir_var_shader_out) {
if (glsl_type_is_image(var->type) || glsl_type_is_sampler(var->type)) {