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nir: add callback to nir_remove_dead_variables()

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This allows us to do API specific checks before removing variable
without filling nir_remove_dead_variables() with API specific code.

In the following patches we will use this to support the removal
of dead uniforms in GLSL.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4797>
This commit is contained in:
Timothy Arceri
2020-05-28 10:59:28 +10:00
committed by Marge Bot
parent bc79442f3f
commit 04dbf709ed
23 changed files with 78 additions and 51 deletions
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4
src/gallium/drivers/lima/lima_program.c
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@@ -138,7 +138,7 @@ lima_program_optimize_vs_nir(struct nir_shader *s)
NIR_PASS_V(s, nir_opt_dce);
NIR_PASS_V(s, nir_lower_locals_to_regs);
NIR_PASS_V(s, nir_convert_from_ssa, true);
NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp);
NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp, NULL);
nir_sweep(s);
}
@@ -243,7 +243,7 @@ lima_program_optimize_fs_nir(struct nir_shader *s,
NIR_PASS_V(s, nir_lower_locals_to_regs);
NIR_PASS_V(s, nir_convert_from_ssa, true);
NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp);
NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp, NULL);
NIR_PASS_V(s, nir_move_vec_src_uses_to_dest);
NIR_PASS_V(s, nir_lower_vec_to_movs);