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Add mem.Allocator_Mode.Query_Features, mem.Allocator_Mode_Set, mem.query_features`

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This commit is contained in:
gingerBill
2020-08-16 22:07:40 +01:00
parent 1f571f48e5
commit 033b46def8
5 changed files with 92 additions and 1 deletions
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core/mem/allocators.odin
+56
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@@ -74,6 +74,13 @@ arena_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
case .Resize:
return default_resize_align(old_memory, old_size, size, alignment, arena_allocator(arena));
case .Query_Features:
set := (^Allocator_Mode_Set)(old_memory);
if set != nil {
set^ = {.Alloc, .Free_All, .Resize, .Query_Features};
}
return set;
}
return nil;
@@ -197,6 +204,13 @@ scratch_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
return old_memory;
}
return scratch_allocator_proc(allocator_data, Allocator_Mode.Alloc, size, alignment, old_memory, old_size, flags, loc);
case .Query_Features:
set := (^Allocator_Mode_Set)(old_memory);
if set != nil {
set^ = {.Alloc, .Free, .Free_All, .Resize, .Query_Features};
}
return set;
}
return nil;
@@ -348,6 +362,13 @@ stack_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
}
return old_memory;
case .Query_Features:
set := (^Allocator_Mode_Set)(old_memory);
if set != nil {
set^ = {.Alloc, .Free, .Free_All, .Resize, .Query_Features};
}
return set;
}
return nil;
@@ -468,6 +489,13 @@ small_stack_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
ptr := raw_alloc(s, size, align);
copy(ptr, old_memory, min(old_size, size));
return ptr;
case .Query_Features:
set := (^Allocator_Mode_Set)(old_memory);
if set != nil {
set^ = {.Alloc, .Free, .Free_All, .Resize, .Query_Features};
}
return set;
}
return nil;
@@ -519,6 +547,13 @@ dynamic_pool_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode
ptr := dynamic_pool_alloc(pool, size);
copy(ptr, old_memory, old_size);
return ptr;
case .Query_Features:
set := (^Allocator_Mode_Set)(old_memory);
if set != nil {
set^ = {.Alloc, .Free_All, .Resize, .Query_Features};
}
return set;
}
return nil;
}
@@ -654,6 +689,13 @@ panic_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
}
case .Free_All:
panic("mem: panic allocator, .Free_All called");
case .Query_Features:
set := (^Allocator_Mode_Set)(old_memory);
if set != nil {
set^ = {.Query_Features};
}
return set;
}
return nil;
@@ -701,6 +743,13 @@ alloca_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
// Do nothing
case .Free_All:
// Do nothing
case .Query_Features:
set := (^Allocator_Mode_Set)(old_memory);
if set != nil {
set^ = {.Alloc, .Resize, .Query_Features};
}
return set;
}
return nil;
}
@@ -774,6 +823,13 @@ tracking_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode, si
if data.clear_on_free_all {
clear_map(&data.allocation_map);
}
case .Query_Features:
set := (^Allocator_Mode_Set)(old_memory);
if set != nil {
set^ = {.Alloc, .Free, .Free_All, .Resize, .Query_Features};
}
return set;
}
return result;