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aco: Fixup out_launch_size_y in the RT prolog for 1D dispatch

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launch_size_y is set to ACO_RT_CONVERTED_2D_LAUNCH_SIZE for 1D
dispatches. The prolog needs to set it to 1 so that the app shader
loads the correct value.

cc: mesa-stable

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37974>
This commit is contained in:
Konstantin Seurer 2025-10-22 08:04:09 +02:00 • committed by Marge Bot
parent 067b05d5b9
commit 47ffe2ecd4
1 changed files with 2 additions and 0 deletions
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2
src/amd/compiler/instruction_selection/aco_select_rt_prolog.cpp
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@ -214,6 +214,8 @@ select_rt_prolog(Program* program, ac_shader_config* config,
bld.sop2(Builder::s_cselect, Definition(vcc, bld.lm),
Operand::c32_or_c64(-1u, program->wave_size == 64),
Operand::c32_or_c64(0, program->wave_size == 64), Operand(scc, s1));
bld.sop2(aco_opcode::s_cselect_b32, Definition(out_launch_size_y, s1),
Operand(out_launch_size_y, s1), Operand::c32(1), Operand(scc, s1));
bld.vop2(aco_opcode::v_cndmask_b32, Definition(out_launch_ids[0], v1),
Operand(tmp_invocation_idx, v1), Operand(out_launch_ids[0], v1), Operand(vcc, bld.lm));
bld.vop2(aco_opcode::v_cndmask_b32, Definition(out_launch_ids[1], v1), Operand::zero(),