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aco: set needs_flat_scr=true for RT

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Friedrich Vock <friedrich.vock@gmx.de>
Fixes: 39c828cb9f ("aco: remove aco::rt_stack variable")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21961>
This commit is contained in:
Rhys Perry
2023-03-16 16:57:34 +00:00
committed by Marge Bot
parent 184cf1cb79
commit 596f2ef361
1 changed files with 6 additions and 2 deletions
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8
src/amd/compiler/aco_live_var_analysis.cpp
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@@ -309,8 +309,12 @@ calc_waves_per_workgroup(Program* program)
uint16_t
get_extra_sgprs(Program* program)
{
/* We don't use this register on GFX6-8 and it's removed on GFX10+. */
bool needs_flat_scr = program->config->scratch_bytes_per_wave && program->gfx_level == GFX9;
/* We don't use this register on GFX6-8 and it's removed on GFX10+. RT uses scratch but we don't
* yet know how much.
*/
bool needs_flat_scr =
(program->config->scratch_bytes_per_wave || program->stage == raytracing_cs) &&
program->gfx_level == GFX9;
if (program->gfx_level >= GFX10) {
assert(!program->dev.xnack_enabled);