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util/vk: Add helpers for finding an extension struct

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Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jason Ekstrand
2017-03-13 19:26:06 -07:00
committed by Dave Airlie
parent e0cc32b85b
commit 2e98db68e4
1 changed files with 17 additions and 0 deletions
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src/util/vk_util.h
+17
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@@ -180,4 +180,21 @@ __vk_outarray_next(struct __vk_outarray *a, size_t elem_size)
for (vk_outarray_typeof_elem(a) *elem = vk_outarray_next(a); \
elem != NULL; elem = NULL)
static inline void *
__vk_find_struct(void *start, VkStructureType sType)
{
vk_foreach_struct(s, start) {
if (s->sType == sType)
return s;
}
return NULL;
}
#define vk_find_struct(__start, __sType) \
__vk_find_struct((__start), VK_STRUCTURE_TYPE_##__sType)
#define vk_find_struct_const(__start, __sType) \
(const void *)__vk_find_struct((void *)(__start), VK_STRUCTURE_TYPE_##__sType)
#endif /* VK_UTIL_H */