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vk/alloc: Handle zero sizes better in vk_multialloc_add

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Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9511>
This commit is contained in:
Jason Ekstrand 2021-03-10 20:17:57 -06:00
parent c22267262e
commit 5afdbfe0c8
1 changed files with 5 additions and 0 deletions
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5
src/vulkan/util/vk_alloc.h
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@ -160,6 +160,11 @@ _vk_multialloc_add(struct vk_multialloc *ma,
void **ptr, size_t size, size_t align)
{
assert(util_is_power_of_two_nonzero(align));
if (size == 0) {
*ptr = NULL;
return;
}
size_t offset = ALIGN_POT(ma->size, align);
ma->size = offset + size;
ma->align = MAX2(ma->align, align);