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nir: Add a find_variable_with_[driver_]location helper

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We've hand-rolled this loop 10 places and those are just the ones I
found easily.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5966>
This commit is contained in:
Jason Ekstrand
2020-07-22 23:37:27 -05:00
committed by Marge Bot
parent fc1363cc60
commit 5c5555a862
11 changed files with 79 additions and 88 deletions
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12
src/amd/vulkan/radv_shader.c
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@@ -586,14 +586,12 @@ type_size_vec4(const struct glsl_type *type, bool bindless)
static nir_variable *
find_layer_in_var(nir_shader *nir)
{
nir_foreach_shader_in_variable(var, nir) {
if (var->data.location == VARYING_SLOT_LAYER) {
return var;
}
}
nir_variable *var =
nir_variable_create(nir, nir_var_shader_in, glsl_int_type(), "layer id");
nir_find_variable_with_location(nir, nir_var_shader_in, VARYING_SLOT_LAYER);
if (var != NULL)
return var;
var = nir_variable_create(nir, nir_var_shader_in, glsl_int_type(), "layer id");
var->data.location = VARYING_SLOT_LAYER;
var->data.interpolation = INTERP_MODE_FLAT;
return var;