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vkd3d-shader/spirv: Do not use OpCopyMemory for partial writemasks in spirv_compiler_emit_mov().

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This fixes instructions like "mov r0.xy, r1.xyzw".
This commit is contained in:
Elizabeth Figura
2025-06-25 18:10:48 -05:00
committed by Henri Verbeet
parent f2238deea9
commit 0c3250122c
Notes: Henri Verbeet 2025-06-26 17:51:04 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1607
1 changed files with 2 additions and 1 deletions
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3
libs/vkd3d-shader/spirv.c
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@@ -7886,7 +7886,8 @@ static void spirv_compiler_emit_mov(struct spirv_compiler *compiler,
|| dst_reg_info.write_mask != src_reg_info.write_mask) || dst_reg_info.write_mask != src_reg_info.write_mask)
goto general_implementation; goto general_implementation;
if (vkd3d_swizzle_is_equal(dst_reg_info.write_mask, src->swizzle, src_reg_info.write_mask)) if (dst_reg_info.write_mask == dst->write_mask
&& vkd3d_swizzle_is_equal(dst_reg_info.write_mask, src->swizzle, src_reg_info.write_mask))
{ {
dst_id = spirv_compiler_get_register_id(compiler, &dst->reg); dst_id = spirv_compiler_get_register_id(compiler, &dst->reg);
src_id = spirv_compiler_get_register_id(compiler, &src->reg); src_id = spirv_compiler_get_register_id(compiler, &src->reg);