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Cleanup soa resize logic—reduce nesting

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This commit is contained in:
Damian Tarnawski
2025-08-24 15:17:13 +02:00
parent 8a894c6ce6
commit 95cfad67b7
1 changed files with 32 additions and 32 deletions
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base/runtime/core_builtin_soa.odin
+10 -10
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@@ -249,14 +249,19 @@ _reserve_soa :: proc(array: ^$T/#soa[dynamic]$E, capacity: int, zero_memory: boo
old_data := (^rawptr)(array)^ old_data := (^rawptr)(array)^
if old_data != nil { resize: if old_data != nil {
new_bytes, resize_err := array.allocator.procedure( new_bytes, resize_err := array.allocator.procedure(
array.allocator.data, .Resize_Non_Zeroed, new_size, max_align, array.allocator.data, .Resize_Non_Zeroed, new_size, max_align,
old_data, old_size, loc, old_data, old_size, loc,
) )
new_data := raw_data(new_bytes) new_data := raw_data(new_bytes)
if resize_err == .None { #partial switch resize_err {
case .Mode_Not_Implemented: break resize
case .None: // continue resizing
case: return resize_err
}
footer.cap = capacity footer.cap = capacity
@@ -268,8 +273,8 @@ _reserve_soa :: proc(array: ^$T/#soa[dynamic]$E, capacity: int, zero_memory: boo
// to: |x x _ y y _ z z _| // to: |x x _ y y _ z z _|
// move old data to the end of the new allocation to avoid overlap // move old data to the end of the new allocation to avoid overlap
old_start := uintptr(new_data) + uintptr(new_size - old_size) old_data = rawptr(uintptr(new_data) + uintptr(new_size - old_size))
mem_copy(rawptr(old_start), new_data, old_size) mem_copy(old_data, new_data, old_size)
// now: |_ _ _ x x y y z z| // now: |_ _ _ x x y y z z|
@@ -280,7 +285,7 @@ _reserve_soa :: proc(array: ^$T/#soa[dynamic]$E, capacity: int, zero_memory: boo
new_offset = align_forward_int(new_offset, max_align) new_offset = align_forward_int(new_offset, max_align)
new_data_elem := rawptr(uintptr(new_data) + uintptr(new_offset)) new_data_elem := rawptr(uintptr(new_data) + uintptr(new_offset))
old_data_elem := rawptr(old_start + uintptr(old_offset)) old_data_elem := rawptr(uintptr(old_data) + uintptr(old_offset))
old_size_elem := type.size * old_cap old_size_elem := type.size * old_cap
new_size_elem := type.size * capacity new_size_elem := type.size * capacity
@@ -300,11 +305,6 @@ _reserve_soa :: proc(array: ^$T/#soa[dynamic]$E, capacity: int, zero_memory: boo
return nil return nil
} }
if resize_err != .Mode_Not_Implemented {
return resize_err
}
}
new_bytes := array.allocator.procedure( new_bytes := array.allocator.procedure(
array.allocator.data, .Alloc if zero_memory else .Alloc_Non_Zeroed, new_size, max_align, array.allocator.data, .Alloc if zero_memory else .Alloc_Non_Zeroed, new_size, max_align,
nil, old_size, loc, nil, old_size, loc,