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aco: don't set private_segment_buffer/scratch_offset on GFX9+

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It is unused. Also don't initialize scratch in raytracing stages as it gets
initialized in the prolog shader.

Co-authored-by: Friedrich Vock <friedrich.vock@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21780>
This commit is contained in:
Daniel Schürmann 2023-02-21 17:54:19 +01:00 • committed by Marge Bot
parent a33b9d43d8
commit 1f01a86b36
1 changed files with 12 additions and 12 deletions
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24
src/amd/compiler/aco_instruction_selection.cpp
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@ -11149,20 +11149,20 @@ add_startpgm(struct isel_context* ctx)
}
}
/* Stash these in the program so that they can be accessed later when
* handling spilling.
*/
ctx->program->private_segment_buffer = get_arg(ctx, ctx->args->ring_offsets);
if (ctx->program->gfx_level <= GFX10_3) {
if (ctx->program->gfx_level < GFX9) {
/* Stash these in the program so that they can be accessed later when
* handling spilling.
*/
ctx->program->private_segment_buffer = get_arg(ctx, ctx->args->ring_offsets);
ctx->program->scratch_offset = get_arg(ctx, ctx->args->scratch_offset);
if (ctx->program->gfx_level >= GFX9) {
Operand scratch_offset(ctx->program->scratch_offset);
scratch_offset.setLateKill(true);
Builder bld(ctx->program, ctx->block);
bld.pseudo(aco_opcode::p_init_scratch, bld.def(s2), bld.def(s1, scc),
ctx->program->private_segment_buffer, scratch_offset);
}
} else if (ctx->program->gfx_level <= GFX10_3 && ctx->program->stage != raytracing_cs) {
/* Manually initialize scratch. For RT stages scratch initialization is done in the prolog. */
Operand scratch_offset = Operand(get_arg(ctx, ctx->args->scratch_offset));
scratch_offset.setLateKill(true);
Builder bld(ctx->program, ctx->block);
bld.pseudo(aco_opcode::p_init_scratch, bld.def(s2), bld.def(s1, scc),
get_arg(ctx, ctx->args->ring_offsets), scratch_offset);
}
return startpgm;