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util: Add helpers for iterating over Vulkan extension structs 

Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jason Ekstrand 2017-02-14 15:56:54 -08:00
parent d1640e7932
commit f76584e7b7
2 changed files with 45 additions and 1 deletions
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3
src/util/Makefile.sources
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@ -44,7 +44,8 @@ MESA_UTIL_FILES := \
u_endian.h \
u_vector.c \
u_vector.h \
vk_alloc.h
vk_alloc.h \
vk_utils.h
MESA_UTIL_GENERATED_FILES = \
format_srgb.c

43
src/util/vk_util.h Normal file
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@ -0,0 +1,43 @@
/*
* Copyright © 2017 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef VK_UTIL_H
#define VK_UTIL_H
/* common inlines and macros for vulkan drivers */
#include <vulkan/vulkan.h>
struct vk_struct_common {
VkStructureType sType;
struct vk_struct_common *pNext;
};
#define vk_foreach_struct(__iter, __start) \
for (struct vk_struct_common *__iter = (struct vk_struct_common *)(__start); \
__iter; __iter = __iter->pNext)
#define vk_foreach_struct_const(__iter, __start) \
for (const struct vk_struct_common *__iter = (const struct vk_struct_common *)(__start); \
__iter; __iter = __iter->pNext)
#endif /* VK_UTIL_H */