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vkd3d-shader/hlsl: Fold constant not-equal expressions.

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Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Francisco Casas <fcasas@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Giovanni Mascellani 2022-04-05 12:33:13 +02:00 committed by Alexandre Julliard
parent d9dc79de66
commit 1ec00d8eba
1 changed files with 41 additions and 0 deletions
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41
libs/vkd3d-shader/hlsl_constant_ops.c
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@ -223,6 +223,43 @@ static bool fold_mul(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst,
return true;
}
static bool fold_nequal(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst,
struct hlsl_ir_constant *src1, struct hlsl_ir_constant *src2)
{
unsigned int k;
assert(dst->node.data_type->base_type == HLSL_TYPE_BOOL);
assert(src1->node.data_type->base_type == src2->node.data_type->base_type);
for (k = 0; k < 4; ++k)
{
switch (src1->node.data_type->base_type)
{
case HLSL_TYPE_FLOAT:
case HLSL_TYPE_HALF:
dst->value[k].u = src1->value[k].f != src2->value[k].f;
break;
case HLSL_TYPE_DOUBLE:
dst->value[k].u = src1->value[k].d != src2->value[k].d;
break;
case HLSL_TYPE_INT:
case HLSL_TYPE_UINT:
case HLSL_TYPE_BOOL:
dst->value[k].u = src1->value[k].u != src2->value[k].u;
break;
default:
assert(0);
return false;
}
dst->value[k].u *= ~0u;
}
return true;
}
bool hlsl_fold_constants(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
{
struct hlsl_ir_constant *arg1, *arg2 = NULL, *res;
@ -272,6 +309,10 @@ bool hlsl_fold_constants(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void
success = fold_mul(ctx, res, arg1, arg2);
break;
case HLSL_OP2_NEQUAL:
success = fold_nequal(ctx, res, arg1, arg2);
break;
default:
FIXME("Fold \"%s\" expression.\n", debug_hlsl_expr_op(expr->op));
success = false;