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radv: do not add extra SGPR when push constants are not used

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This is not because the vertex stage needs some push constants
that other stages need them too. This should reduce the number
of loaded SGPRs in some situations.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2017-12-18 19:38:58 +01:00
parent 39097282f7
commit 0c4a30eb51
1 changed files with 2 additions and 1 deletions
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src/amd/common/ac_shader_info.c
+2 -1
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@@ -149,7 +149,8 @@ ac_nir_shader_info_pass(struct nir_shader *nir,
struct nir_function *func = (struct nir_function *)exec_list_get_head(&nir->functions);
info->needs_push_constants = false;
if (options->layout->push_constant_size ||
if ((options->layout->push_constant_size &&
options->layout->push_constant_stages & (1 << nir->info.stage)) ||
options->layout->dynamic_offset_count)
info->needs_push_constants = true;