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vkd3d-shader/hlsl: Allow derefs to provide the data_type.

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After lowering the derefs path to a single offset node, there was no way
of knowing the type of the referenced part of the variable. This little
modification allows to avoid having to pass the data type everywhere and
it is required for supporting instructions that reference objects
components within struct types.

Since deref->data_type allows us to retrieve the type of the deref,
deref->offset_regset is no longer necessary.
This commit is contained in:
Francisco Casas
2023-05-29 17:34:03 -04:00
committed by Alexandre Julliard
parent d4b5e79c8b
commit ae6bc398d6
Notes: Alexandre Julliard 2023-07-17 23:25:21 +02:00 
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/209
4 changed files with 46 additions and 39 deletions
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6
libs/vkd3d-shader/hlsl.h
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@@ -607,9 +607,11 @@ struct hlsl_deref
* components, within the pertaining regset), from the start of the variable, of the part
* referenced.
* The path is lowered to this single offset -- whose value may vary between SM1 and SM4 --
* before writing the bytecode. */
* before writing the bytecode.
* Since the type information cannot longer be retrieved from the offset alone, the type is
* stored in the data_type field. */
struct hlsl_src offset;
enum hlsl_regset offset_regset;
struct hlsl_type *data_type;
};
struct hlsl_ir_load