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vkd3d-shader: Consider previous last_read value when computing liveness.

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Otherwise we end up overwriting UINT_MAX last_read for output variables.

Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Matteo Bruni 2021-03-21 21:40:07 +01:00 committed by Alexandre Julliard
parent 716753896e
commit f73b3385c7
1 changed files with 1 additions and 1 deletions
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libs/vkd3d-shader/hlsl_codegen.c
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@ -342,7 +342,7 @@ static void compute_liveness_recurse(struct list *instrs, unsigned int loop_firs
struct hlsl_ir_load *load = hlsl_ir_load(instr);
var = load->src.var;
var->last_read = loop_last ? max(instr->index, loop_last) : instr->index;
var->last_read = max(var->last_read, loop_last ? max(instr->index, loop_last) : instr->index);
if (load->src.offset.node)
load->src.offset.node->last_read = instr->index;
break;