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zink: create new vars without copying existing ones

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24950>
This commit is contained in:
Mike Blumenkrantz 2023-08-29 11:20:02 -04:00 • committed by Marge Bot
parent 86668052dd
commit 9af2f17937
1 changed files with 17 additions and 3 deletions
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20
src/gallium/drivers/zink/zink_compiler.c
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@ -3515,12 +3515,16 @@ add_derefs_instr(nir_builder *b, nir_intrinsic_instr *intr, void *data)
nir_def *interp = intr->src[0].ssa;
nir_intrinsic_instr *interp_intr = nir_instr_as_intrinsic(interp->parent_instr);
assert(interp_intr);
var->data.interpolation = nir_intrinsic_interp_mode(interp_intr);
switch (interp_intr->intrinsic) {
case nir_intrinsic_load_barycentric_centroid:
load = nir_interp_deref_at_centroid(b, intr->num_components, bit_size, &deref->def);
break;
case nir_intrinsic_load_barycentric_pixel:
case nir_intrinsic_load_barycentric_sample:
var->data.sample = 1;
load = nir_load_deref(b, deref);
break;
case nir_intrinsic_load_barycentric_pixel:
load = nir_load_deref(b, deref);
break;
case nir_intrinsic_load_barycentric_at_sample:
@ -5126,13 +5130,23 @@ rework_io_vars(nir_shader *nir, nir_variable_mode mode)
assert(!vars[location][c] ||
(nir_get_nir_type_for_glsl_base_type(glsl_get_base_type(glsl_without_array(vars[location][c]->type))) == type &&
glsl_get_vector_elements(glsl_without_array(vars[location][c]->type)) >= intr->num_components));
nir_variable *var = nir_variable_clone(old_var, nir);
char name[1024];
if (c)
snprintf(name, sizeof(name), "slot_%u_c%u", location, c);
else
snprintf(name, sizeof(name), "slot_%u", location);
nir_variable *var = nir_variable_create(nir, mode, vec_type, old_var ? old_var->name : name);
var->data.mode = mode;
var->type = vec_type;
var->data.driver_location = nir_intrinsic_base(intr) + slot_offset;
var->data.location_frac = c;
var->data.location = location;
nir_shader_add_variable(nir, var);
var->data.patch = location >= VARYING_SLOT_PATCH0;
/* set flat by default */
if (nir->info.stage == MESA_SHADER_FRAGMENT && mode == nir_var_shader_in)
var->data.interpolation = INTERP_MODE_FLAT;
var->data.fb_fetch_output = s.fb_fetch_output;
var->data.precision = s.medium_precision;
store_location_var(vars, var, nir);
}
}