Mesa (master): aco: Use s_setprio 3 at the beginning of every VS and TES.

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Module: Mesa
Branch: master
Commit: 231ef14b3db4e0ed5b4fa7e2f83f3fe09495f2f5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=231ef14b3db4e0ed5b4fa7e2f83f3fe09495f2f5

Author: Timur Kristóf <timur.kristof at gmail.com>
Date:   Thu Apr  8 13:38:13 2021 +0200

aco: Use s_setprio 3 at the beginning of every VS and TES.

The user-set priority of shaders matters very little, but we hope
this might still help speed up VS input loads especially.

Signed-off-by: Timur Kristóf <timur.kristof at gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02 at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10106>

---

 src/amd/compiler/aco_instruction_selection.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index 57ec804d272..845d56e4cf2 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -11785,6 +11785,10 @@ void select_program(Program *program,
             fix_ls_vgpr_init_bug(&ctx, startpgm);
 
          split_arguments(&ctx, startpgm);
+
+         if (program->stage.has(SWStage::VS) || program->stage.has(SWStage::TES)) {
+            Builder(ctx.program, ctx.block).sopp(aco_opcode::s_setprio, -1u, 0x3u);
+         }
       }
 
       if (ngg_no_gs)