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vkd3d-shader/hlsl: Add a helper for comparison operations.

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The only difference from arithmetic operations is that the result
has always base type bool.

Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@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 2021-10-15 10:37:04 +02:00 committed by Alexandre Julliard
parent 6658da8861
commit ed0223e629
1 changed files with 42 additions and 6 deletions
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48
libs/vkd3d-shader/hlsl.y
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@ -1056,6 +1056,42 @@ static struct list *add_binary_arithmetic_expr_merge(struct hlsl_ctx *ctx, struc
return list1;
}
static struct hlsl_ir_expr *add_binary_comparison_expr(struct hlsl_ctx *ctx, struct list *instrs,
enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1, struct hlsl_ir_node *arg2,
struct vkd3d_shader_location *loc)
{
struct hlsl_type *common_type, *return_type;
enum hlsl_base_type base = expr_common_base_type(arg1->data_type->base_type, arg2->data_type->base_type);
enum hlsl_type_class type;
unsigned int dimx, dimy;
struct hlsl_ir_node *args[HLSL_MAX_OPERANDS] = {0};
if (!expr_common_shape(ctx, arg1->data_type, arg2->data_type, loc, &type, &dimx, &dimy))
return NULL;
common_type = hlsl_get_numeric_type(ctx, type, base, dimx, dimy);
return_type = hlsl_get_numeric_type(ctx, type, HLSL_TYPE_BOOL, dimx, dimy);
if (!(args[0] = add_implicit_conversion(ctx, instrs, arg1, common_type, loc)))
return NULL;
if (!(args[1] = add_implicit_conversion(ctx, instrs, arg2, common_type, loc)))
return NULL;
return add_expr(ctx, instrs, op, args, return_type, loc);
}
static struct list *add_binary_comparison_expr_merge(struct hlsl_ctx *ctx, struct list *list1, struct list *list2,
enum hlsl_ir_expr_op op, struct vkd3d_shader_location loc)
{
struct hlsl_ir_node *arg1 = node_from_list(list1), *arg2 = node_from_list(list2);
list_move_tail(list1, list2);
vkd3d_free(list2);
add_binary_comparison_expr(ctx, list1, op, arg1, arg2, &loc);
return list1;
}
static enum hlsl_ir_expr_op op_from_assignment(enum parse_assign_op op)
{
static const enum hlsl_ir_expr_op ops[] =
@ -3256,30 +3292,30 @@ relational_expr:
shift_expr
| relational_expr '<' shift_expr
{
$$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_LESS, @2);
$$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_LESS, @2);
}
| relational_expr '>' shift_expr
{
$$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_GREATER, @2);
$$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_GREATER, @2);
}
| relational_expr OP_LE shift_expr
{
$$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_LEQUAL, @2);
$$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_LEQUAL, @2);
}
| relational_expr OP_GE shift_expr
{
$$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_GEQUAL, @2);
$$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_GEQUAL, @2);
}
equality_expr:
relational_expr
| equality_expr OP_EQ relational_expr
{
$$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_EQUAL, @2);
$$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_EQUAL, @2);
}
| equality_expr OP_NE relational_expr
{
$$ = add_binary_arithmetic_expr_merge(ctx, $1, $3, HLSL_OP2_NEQUAL, @2);
$$ = add_binary_comparison_expr_merge(ctx, $1, $3, HLSL_OP2_NEQUAL, @2);
}
bitand_expr: