Merge remote-tracking branch 'offical/master'

This commit is contained in:
ed
2025-01-30 14:36:46 -05:00
126 changed files with 2481 additions and 1004 deletions
+20 -5
View File
@@ -212,10 +212,24 @@ arena_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
case size == 0:
err = .Mode_Not_Implemented
return
case (uintptr(old_data) & uintptr(alignment-1) == 0) && size < old_size:
// shrink data in-place
data = old_data[:size]
return
case uintptr(old_data) & uintptr(alignment-1) == 0:
if size < old_size {
// shrink data in-place
data = old_data[:size]
return
}
if block := arena.curr_block; block != nil {
start := uint(uintptr(old_memory)) - uint(uintptr(block.base))
old_end := start + old_size
new_end := start + size
if start < old_end && old_end == block.used && new_end <= block.capacity {
// grow data in-place, adjusting next allocation
block.used = uint(new_end)
data = block.base[start:new_end]
return
}
}
}
new_memory := arena_alloc(arena, size, alignment, location) or_return
@@ -284,9 +298,10 @@ arena_temp_end :: proc(temp: Arena_Temp, loc := #caller_location) {
if block := arena.curr_block; block != nil {
assert(block.used >= temp.used, "out of order use of arena_temp_end", loc)
amount_to_zero := min(block.used-temp.used, block.capacity-block.used)
amount_to_zero := block.used-temp.used
intrinsics.mem_zero(block.base[temp.used:], amount_to_zero)
block.used = temp.used
arena.total_used -= amount_to_zero
}
}