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vkd3d-shader/ir: Require signed source operands for signed integer comparison instructions.

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This commit is contained in:
Henri Verbeet
2025-09-02 21:34:44 +02:00
parent 1912f50f52
commit 6e8192e198
Notes: Henri Verbeet 2025-09-18 11:44:24 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1733
2 changed files with 22 additions and 8 deletions
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13
libs/vkd3d-shader/dxil.c
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@@ -7143,6 +7143,7 @@ struct sm6_cmp_info
{
enum vkd3d_shader_opcode handler_idx;
bool src_swap;
uint32_t type_flags;
};
static const struct sm6_cmp_info *sm6_map_cmp2_op(uint64_t code)
@@ -7172,10 +7173,10 @@ static const struct sm6_cmp_info *sm6_map_cmp2_op(uint64_t code)
[ICMP_UGE] = {VSIR_OP_UGE},
[ICMP_ULT] = {VSIR_OP_ULT},
[ICMP_ULE] = {VSIR_OP_UGE, true},
[ICMP_SGT] = {VSIR_OP_ILT, true},
[ICMP_SGE] = {VSIR_OP_IGE},
[ICMP_SLT] = {VSIR_OP_ILT},
[ICMP_SLE] = {VSIR_OP_IGE, true},
[ICMP_SGT] = {VSIR_OP_ILT, true, DXIL_TYPE_SIGNED},
[ICMP_SGE] = {VSIR_OP_IGE, false, DXIL_TYPE_SIGNED},
[ICMP_SLT] = {VSIR_OP_ILT, false, DXIL_TYPE_SIGNED},
[ICMP_SLE] = {VSIR_OP_IGE, true, DXIL_TYPE_SIGNED},
};
return (code < ARRAY_SIZE(cmp_op_table)) ? &cmp_op_table[code] : NULL;
@@ -7276,8 +7277,8 @@ static void sm6_parser_emit_cmp2(struct sm6_parser *sm6, const struct dxil_recor
if (!(src_params = instruction_src_params_alloc(ins, 2, sm6)))
return;
src_param_init_from_value(&src_params[0 ^ cmp->src_swap], a, 0, sm6);
src_param_init_from_value(&src_params[1 ^ cmp->src_swap], b, 0, sm6);
src_param_init_from_value(&src_params[0 ^ cmp->src_swap], a, cmp->type_flags, sm6);
src_param_init_from_value(&src_params[1 ^ cmp->src_swap], b, cmp->type_flags, sm6);
instruction_dst_param_init_ssa_scalar(ins, 0, sm6);
}