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vkd3d-shader/hlsl: Fold constant integral max().

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Signed-off-by: Giovanni Mascellani <gmascellani@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:
Giovanni Mascellani 2022-06-27 17:22:39 +02:00 committed by Alexandre Julliard
parent 0ddaa80616
commit 8cb865d65a
1 changed files with 33 additions and 0 deletions
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33
libs/vkd3d-shader/hlsl_constant_ops.c
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@ -369,6 +369,35 @@ static bool fold_mod(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst,
return true;
}
static bool fold_max(struct hlsl_ctx *ctx, struct hlsl_ir_constant *dst,
struct hlsl_ir_constant *src1, struct hlsl_ir_constant *src2)
{
enum hlsl_base_type type = dst->node.data_type->base_type;
unsigned int k;
assert(type == src1->node.data_type->base_type);
assert(type == src2->node.data_type->base_type);
for (k = 0; k < dst->node.data_type->dimx; ++k)
{
switch (type)
{
case HLSL_TYPE_INT:
dst->value[k].i = max(src1->value[k].i, src2->value[k].i);
break;
case HLSL_TYPE_UINT:
dst->value[k].u = max(src1->value[k].u, src2->value[k].u);
break;
default:
FIXME("Fold max for type %s.\n", debug_hlsl_type(ctx, dst->node.data_type));
return false;
}
}
return true;
}
bool hlsl_fold_constant_exprs(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr, void *context)
{
struct hlsl_ir_constant *arg1, *arg2 = NULL, *res;
@ -430,6 +459,10 @@ bool hlsl_fold_constant_exprs(struct hlsl_ctx *ctx, struct hlsl_ir_node *instr,
success = fold_mod(ctx, res, arg1, arg2);
break;
case HLSL_OP2_MAX:
success = fold_max(ctx, res, arg1, arg2);
break;
default:
FIXME("Fold \"%s\" expression.\n", debug_hlsl_expr_op(expr->op));
success = false;