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lima/ppir: move alu vec to scalar lowering into NIR

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Utgard PP is vec4, but some operations are scalar, utilize
NIR vec to scalar lowering pass and indicate operations that we
want to lower.

Reviewed-by: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
This commit is contained in:
Vasily Khoruzhick
2019-08-03 09:59:27 -07:00
parent aebca3961b
commit c780af7771
2 changed files with 14 additions and 107 deletions
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11
src/gallium/drivers/lima/lima_program.c
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@@ -139,8 +139,17 @@ lima_program_optimize_vs_nir(struct nir_shader *s)
void
lima_program_optimize_fs_nir(struct nir_shader *s)
{
BITSET_DECLARE(alu_lower, nir_num_opcodes) = {0};
bool progress;
BITSET_SET(alu_lower, nir_op_frcp);
BITSET_SET(alu_lower, nir_op_frsq);
BITSET_SET(alu_lower, nir_op_flog2);
BITSET_SET(alu_lower, nir_op_fexp2);
BITSET_SET(alu_lower, nir_op_fsqrt);
BITSET_SET(alu_lower, nir_op_fsin);
BITSET_SET(alu_lower, nir_op_fcos);
NIR_PASS_V(s, nir_lower_fragcoord_wtrans);
NIR_PASS_V(s, nir_lower_io, nir_var_all, type_size, 0);
NIR_PASS_V(s, nir_lower_regs_to_ssa);
@@ -150,7 +159,7 @@ lima_program_optimize_fs_nir(struct nir_shader *s)
progress = false;
NIR_PASS_V(s, nir_lower_vars_to_ssa);
//NIR_PASS(progress, s, nir_lower_alu_to_scalar, NULL);
NIR_PASS(progress, s, nir_lower_alu_to_scalar, alu_lower);
NIR_PASS(progress, s, nir_lower_phis_to_scalar);
NIR_PASS(progress, s, nir_copy_prop);
NIR_PASS(progress, s, nir_opt_remove_phis);