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aco: use v1 definition for v_interp_p1lv_f16

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The result of the first interpolation step is always fp32.

Fixes: 1647e098e9 ("aco: implement 16-bit interp")
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28435>
This commit is contained in:
Georg Lehmann
2024-04-02 17:07:19 +02:00
committed by Marge Bot
parent 2526d1020b
commit 893ee883fe
1 changed files with 1 additions and 1 deletions
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src/amd/compiler/aco_instruction_selection.cpp
+1 -1
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@@ -5504,7 +5504,7 @@ emit_interp_instr(isel_context* ctx, unsigned idx, unsigned component, Temp src,
Builder::Result interp_p1 =
bld.vintrp(aco_opcode::v_interp_mov_f32, bld.def(v1), Operand::c32(2u) /* P0 */,
bld.m0(prim_mask), idx, component);
interp_p1 = bld.vintrp(aco_opcode::v_interp_p1lv_f16, bld.def(v2b), coord1,
interp_p1 = bld.vintrp(aco_opcode::v_interp_p1lv_f16, bld.def(v1), coord1,
bld.m0(prim_mask), interp_p1, idx, component);
bld.vintrp(aco_opcode::v_interp_p2_legacy_f16, Definition(dst), coord2, bld.m0(prim_mask),
interp_p1, idx, component);