From f73b3385c76fc68c2060698c92829bb1edb7b40b Mon Sep 17 00:00:00 2001 From: Matteo Bruni Date: Sun, 21 Mar 2021 21:40:07 +0100 Subject: [PATCH] vkd3d-shader: Consider previous last_read value when computing liveness. Otherwise we end up overwriting UINT_MAX last_read for output variables. Signed-off-by: Matteo Bruni Signed-off-by: Henri Verbeet Signed-off-by: Zebediah Figura Signed-off-by: Alexandre Julliard --- libs/vkd3d-shader/hlsl_codegen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c index 2382ffe9..59514e4c 100644 --- a/libs/vkd3d-shader/hlsl_codegen.c +++ b/libs/vkd3d-shader/hlsl_codegen.c @@ -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;