57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/*
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* Copyright © 2016 Red Hat.
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* Copyright © 2016 Bas Nieuwenhuizen
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "vk_descriptors.h"
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#include "util/macros.h"
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static int
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binding_compare(const void* av, const void *bv)
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{
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const VkDescriptorSetLayoutBinding *a = (const VkDescriptorSetLayoutBinding*)av;
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const VkDescriptorSetLayoutBinding *b = (const VkDescriptorSetLayoutBinding*)bv;
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return (a->binding < b->binding) ? -1 : (a->binding > b->binding) ? 1 : 0;
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}
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VkResult
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vk_create_sorted_bindings(const VkDescriptorSetLayoutBinding *bindings, unsigned count,
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VkDescriptorSetLayoutBinding **sorted_bindings)
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{
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if (!count) {
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*sorted_bindings = NULL;
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return VK_SUCCESS;
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}
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*sorted_bindings = malloc(count * sizeof(VkDescriptorSetLayoutBinding));
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if (!*sorted_bindings)
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return VK_ERROR_OUT_OF_HOST_MEMORY;
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memcpy(*sorted_bindings, bindings, count * sizeof(VkDescriptorSetLayoutBinding));
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qsort(*sorted_bindings, count, sizeof(VkDescriptorSetLayoutBinding), binding_compare);
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return VK_SUCCESS;
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}
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