Giovanni Mascellani : vkd3d-shader/hlsl: Add a helper for comparison operations.
Alexandre Julliard
julliard at winehq.org
Mon Nov 1 16:33:19 CDT 2021
Module: vkd3d
Branch: master
Commit: ed0223e62927e1ddfb5a85d819cb12c362713e92
URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=ed0223e62927e1ddfb5a85d819cb12c362713e92
Author: Giovanni Mascellani <gmascellani at codeweavers.com>
Date: Fri Oct 15 10:37:04 2021 +0200
vkd3d-shader/hlsl: Add a helper for comparison operations.
The only difference from arithmetic operations is that the result
has always base type bool.
Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
libs/vkd3d-shader/hlsl.y | 48 ++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 42 insertions(+), 6 deletions(-)
diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index 528a122..e591af9 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -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:
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