From 2e98db68e4f8a71f9c9723ed05cc7bfc096c3e0a Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Mon, 13 Mar 2017 19:26:06 -0700 Subject: [PATCH] util/vk: Add helpers for finding an extension struct Reviewed-by: Dave Airlie --- src/util/vk_util.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/src/util/vk_util.h b/src/util/vk_util.h index 589d5c6f5d5..5ff1f00195c 100644 --- a/src/util/vk_util.h +++ b/src/util/vk_util.h @@ -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 */ -- 2.30.2