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nir: add nir_function_impl_clone_remap_globals()

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This will be use by the glsl nir linker when we are combining
different shaders from the same shader stage that might have multiple
declarations of global variables across the different shaders.

Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31137>
This commit is contained in:
Timothy Arceri 2024-05-29 11:15:07 +10:00 • committed by Marge Bot
parent 7a1061e0dd
commit 1cb115abd2
2 changed files with 16 additions and 3 deletions
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4
src/compiler/nir/nir.h
View file

@ -5203,6 +5203,10 @@ nir_shader *nir_shader_clone(void *mem_ctx, const nir_shader *s);
nir_function *nir_function_clone(nir_shader *ns, const nir_function *fxn);
nir_function_impl *nir_function_impl_clone(nir_shader *shader,
const nir_function_impl *fi);
nir_function_impl *
nir_function_impl_clone_remap_globals(nir_shader *shader,
const nir_function_impl *fi,
struct hash_table *remap_table);
nir_constant *nir_constant_clone(const nir_constant *c, nir_variable *var);
nir_variable *nir_variable_clone(const nir_variable *c, nir_shader *shader);

15
src/compiler/nir/nir_clone.c
View file

@ -675,20 +675,29 @@ clone_function_impl(clone_state *state, const nir_function_impl *fi)
}
nir_function_impl *
nir_function_impl_clone(nir_shader *shader, const nir_function_impl *fi)
nir_function_impl_clone_remap_globals(nir_shader *shader,
const nir_function_impl *fi,
struct hash_table *remap_table)
{
clone_state state;
init_clone_state(&state, NULL, false, false);
init_clone_state(&state, remap_table, !!remap_table, false);
state.ns = shader;
nir_function_impl *nfi = clone_function_impl(&state, fi);
free_clone_state(&state);
if (!remap_table)
free_clone_state(&state);
return nfi;
}
nir_function_impl *
nir_function_impl_clone(nir_shader *shader, const nir_function_impl *fi)
{
return nir_function_impl_clone_remap_globals(shader, fi, NULL);
}
nir_function *
nir_function_clone(nir_shader *ns, const nir_function *fxn)
{