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Updates to general memory defs

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This commit is contained in:
Edward R. Gonzalez
2024-03-06 16:46:23 -05:00
parent aa9ce39224
commit 9229358a16
2 changed files with 16 additions and 16 deletions
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11
code/host/memory_windows.odin
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@@ -17,11 +17,12 @@ virtual_Platform_Memory_Block :: struct {
}
@(private="file", require_results)
align_formula :: #force_inline proc "contextless" (size, align: uint) -> uint {
result := size + align-1
return result - result%align
memory_align_formula :: #force_inline proc "contextless" (size, align: uint) -> uint {
result := size + align - 1
return result - result % align
}
@(private="file")
win32_reserve_with_base_address :: proc "contextless" (base_address : rawptr, size: uint) -> (data: []byte, err: virtual.Allocator_Error) {
result := win32.VirtualAlloc(base_address, size, win32.MEM_RESERVE, win32.PAGE_READWRITE)
@@ -78,8 +79,8 @@ memory_block_alloc :: proc(committed, reserved: uint, base_address : rawptr,
committed := committed
reserved := reserved
committed = align_formula(committed, page_size)
reserved = align_formula(reserved, page_size)
committed = memory_align_formula(committed, page_size)
reserved = memory_align_formula(reserved, page_size)
committed = clamp(committed, 0, reserved)
total_size := uint(reserved + max(alignment, size_of( virtual_Platform_Memory_Block)))