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vkd3d-shader/hlsl: Add constant folding for binary complement operator.

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
This commit is contained in:
Nikolay Sivov 2023-09-23 19:21:42 +02:00 committed by Alexandre Julliard
parent 8ebccad3c9
commit a58c659b10
Notes: Alexandre Julliard 2023-10-05 22:37:14 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/363
1 changed files with 30 additions and 0 deletions
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30
libs/vkd3d-shader/hlsl_constant_ops.c
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@ -113,6 +113,32 @@ static int32_t double_to_int(double x)
return x;
}
static bool fold_bit_not(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst,
const struct hlsl_type *dst_type, const struct hlsl_ir_constant *src)
{
enum hlsl_base_type type = dst_type->base_type;
unsigned int k;
assert(type == src->node.data_type->base_type);
for (k = 0; k < dst_type->dimx; ++k)
{
switch (type)
{
case HLSL_TYPE_INT:
case HLSL_TYPE_UINT:
case HLSL_TYPE_BOOL:
dst->u[k].u = ~src->value.u[k].u;
break;
default:
vkd3d_unreachable();
}
}
return true;
}
static bool fold_cast(struct hlsl_ctx *ctx, struct hlsl_constant_value *dst,
const struct hlsl_type *dst_type, const struct hlsl_ir_constant *src)
{
@ -1155,6 +1181,10 @@ bool hlsl_fold_constant_exprs(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr,
success = fold_abs(ctx, &res, instr->data_type, arg1);
break;
case HLSL_OP1_BIT_NOT:
success = fold_bit_not(ctx, &res, instr->data_type, arg1);
break;
case HLSL_OP1_CAST:
success = fold_cast(ctx, &res, instr->data_type, arg1);
break;