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vkd3d-shader/hlsl: Fix number of components when creating a swizzle in copy-prop.

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Otherwise we may create nodes of different dimensions than the ones we
are replacing.

"count" is the number of components of the source deref (without
considering the swizzle), while "instr_component_count" is the actual
number of components of the instruction to be replaced.
This commit is contained in:
Francisco Casas
2023-02-14 19:01:18 -03:00
committed by Alexandre Julliard
parent e7bc634307
commit 2142d31f13
Notes: Alexandre Julliard 2023-02-20 22:45:02 +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/96
2 changed files with 4 additions and 1 deletions
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libs/vkd3d-shader/hlsl_codegen.c
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@@ -1031,7 +1031,7 @@ static bool copy_propagation_replace_with_single_instr(struct hlsl_ctx *ctx,
{
struct hlsl_ir_swizzle *swizzle_node;
if (!(swizzle_node = hlsl_new_swizzle(ctx, ret_swizzle, count, new_instr, &instr->loc)))
if (!(swizzle_node = hlsl_new_swizzle(ctx, ret_swizzle, instr_component_count, new_instr, &instr->loc)))
return false;
list_add_before(&instr->entry, &swizzle_node->node.entry);
new_instr = &swizzle_node->node;