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vkd3d-shader/hlsl: Introduce hlsl_ir_index.

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This node type is intended for use during parse-time.

While we parse an indexing expression such as "a[3]", we don't know if
it will end up as part of an expression (in which case it must be folded
into a load) or it is for the lhs of a store (in which case it must be
folded into the store's deref).
This commit is contained in:
Francisco Casas
2023-02-24 16:39:56 -03:00
committed by Alexandre Julliard
parent 8cd3defe0d
commit 741c9e5893
Notes: Alexandre Julliard 2023-04-13 23:20:40 +02:00 
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Francisco Casas (@fcasas)
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/124
4 changed files with 85 additions and 0 deletions
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15
libs/vkd3d-shader/hlsl.h
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@@ -254,6 +254,7 @@ enum hlsl_ir_node_type
HLSL_IR_CONSTANT,
HLSL_IR_EXPR,
HLSL_IR_IF,
HLSL_IR_INDEX,
HLSL_IR_LOAD,
HLSL_IR_LOOP,
HLSL_IR_JUMP,
@@ -544,6 +545,12 @@ struct hlsl_ir_swizzle
DWORD swizzle;
};
struct hlsl_ir_index
{
struct hlsl_ir_node node;
struct hlsl_src val, idx;
};
/* Reference to a variable, or a part of it (e.g. a vector within a matrix within a struct). */
struct hlsl_deref
{
@@ -857,6 +864,12 @@ static inline struct hlsl_ir_swizzle *hlsl_ir_swizzle(const struct hlsl_ir_node
return CONTAINING_RECORD(node, struct hlsl_ir_swizzle, node);
}
static inline struct hlsl_ir_index *hlsl_ir_index(const struct hlsl_ir_node *node)
{
assert(node->type == HLSL_IR_INDEX);
return CONTAINING_RECORD(node, struct hlsl_ir_index, node);
}
static inline void hlsl_block_init(struct hlsl_block *block)
{
list_init(&block->instrs);
@@ -1072,6 +1085,8 @@ struct hlsl_ir_store *hlsl_new_store_index(struct hlsl_ctx *ctx, const struct hl
struct hlsl_ir_store *hlsl_new_store_component(struct hlsl_ctx *ctx, struct hlsl_block *block,
const struct hlsl_deref *lhs, unsigned int comp, struct hlsl_ir_node *rhs);
struct hlsl_ir_node *hlsl_new_index(struct hlsl_ctx *ctx, struct hlsl_ir_node *val,
struct hlsl_ir_node *idx, const struct vkd3d_shader_location *loc);
struct hlsl_ir_loop *hlsl_new_loop(struct hlsl_ctx *ctx, struct vkd3d_shader_location loc);
struct hlsl_ir_resource_load *hlsl_new_resource_load(struct hlsl_ctx *ctx,
const struct hlsl_resource_load_params *params, const struct vkd3d_shader_location *loc);