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vkd3d-shader/hlsl: Add initial support for parsing 'switch' statements.

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
This commit is contained in:
Nikolay Sivov
2023-10-11 13:51:51 +02:00
committed by Alexandre Julliard
parent ebb5aacabf
commit ec8dfa467f
Notes: Alexandre Julliard 2023-10-31 22:37:53 +01:00 
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/361
6 changed files with 369 additions and 7 deletions
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30
libs/vkd3d-shader/hlsl.h
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@@ -281,6 +281,7 @@ enum hlsl_ir_node_type
HLSL_IR_RESOURCE_STORE,
HLSL_IR_STORE,
HLSL_IR_SWIZZLE,
HLSL_IR_SWITCH,
};
/* Common data for every type of IR instruction node. */
@@ -499,6 +500,22 @@ struct hlsl_ir_loop
unsigned int next_index; /* liveness index of the end of the loop */
};
struct hlsl_ir_switch_case
{
unsigned int value;
bool is_default;
struct hlsl_block body;
struct list entry;
struct vkd3d_shader_location loc;
};
struct hlsl_ir_switch
{
struct hlsl_ir_node node;
struct hlsl_src selector;
struct list cases;
};
enum hlsl_ir_expr_op
{
HLSL_OP0_VOID,
@@ -947,6 +964,12 @@ static inline struct hlsl_ir_index *hlsl_ir_index(const struct hlsl_ir_node *nod
return CONTAINING_RECORD(node, struct hlsl_ir_index, node);
}
static inline struct hlsl_ir_switch *hlsl_ir_switch(const struct hlsl_ir_node *node)
{
assert(node->type == HLSL_IR_SWITCH);
return CONTAINING_RECORD(node, struct hlsl_ir_switch, node);
}
static inline void hlsl_block_init(struct hlsl_block *block)
{
list_init(&block->instrs);
@@ -1120,6 +1143,9 @@ bool hlsl_copy_deref(struct hlsl_ctx *ctx, struct hlsl_deref *deref, const struc
void hlsl_cleanup_deref(struct hlsl_deref *deref);
void hlsl_cleanup_semantic(struct hlsl_semantic *semantic);
void hlsl_cleanup_ir_switch_cases(struct list *cases);
void hlsl_free_ir_switch_case(struct hlsl_ir_switch_case *c);
void hlsl_replace_node(struct hlsl_ir_node *old, struct hlsl_ir_node *new);
void hlsl_free_attribute(struct hlsl_attribute *attr);
@@ -1213,6 +1239,10 @@ struct hlsl_ir_node *hlsl_new_unary_expr(struct hlsl_ctx *ctx, enum hlsl_ir_expr
struct hlsl_ir_var *hlsl_new_var(struct hlsl_ctx *ctx, const char *name, struct hlsl_type *type,
const struct vkd3d_shader_location *loc, const struct hlsl_semantic *semantic, unsigned int modifiers,
const struct hlsl_reg_reservation *reg_reservation);
struct hlsl_ir_switch_case *hlsl_new_switch_case(struct hlsl_ctx *ctx, unsigned int value, bool is_default,
struct hlsl_block *body, const struct vkd3d_shader_location *loc);
struct hlsl_ir_node *hlsl_new_switch(struct hlsl_ctx *ctx, struct hlsl_ir_node *selector,
struct list *cases, const struct vkd3d_shader_location *loc);
void hlsl_error(struct hlsl_ctx *ctx, const struct vkd3d_shader_location *loc,
enum vkd3d_shader_error error, const char *fmt, ...) VKD3D_PRINTF_FUNC(4, 5);