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vkd3d-shader/hlsl: Support non-constant vector indexing.

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Non-constant vector indexing is not solved with relative addressing
in the register indexes because this indexation cannot be at the level
of register-components.

Mathematical operations must be used instead.
This commit is contained in:
Francisco Casas
2023-05-08 18:25:18 -04:00
committed by Alexandre Julliard
parent 6cfa8cf859
commit ebf7573571
Notes: Alexandre Julliard 2023-06-07 22:46:44 +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/207
7 changed files with 134 additions and 37 deletions
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13
libs/vkd3d-shader/hlsl.c
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@@ -1287,6 +1287,19 @@ struct hlsl_ir_load *hlsl_new_load_index(struct hlsl_ctx *ctx, const struct hlsl
return load;
}
struct hlsl_ir_load *hlsl_new_load_parent(struct hlsl_ctx *ctx, const struct hlsl_deref *deref,
const struct vkd3d_shader_location *loc)
{
/* This deref can only exists temporarily because it is not the real owner of its members. */
struct hlsl_deref tmp_deref;
assert(deref->path_len >= 1);
tmp_deref = *deref;
tmp_deref.path_len = deref->path_len - 1;
return hlsl_new_load_index(ctx, &tmp_deref, NULL, loc);
}
struct hlsl_ir_load *hlsl_new_var_load(struct hlsl_ctx *ctx, struct hlsl_ir_var *var,
const struct vkd3d_shader_location *loc)
{