| /* |
| * Copyright © 2016 Red Hat. |
| * Copyright © 2016 Bas Nieuwenhuizen |
| * |
| * 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. |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include "vk_descriptors.h" |
| #include "util/macros.h" |
| |
| static int |
| binding_compare(const void* av, const void *bv) |
| { |
| const VkDescriptorSetLayoutBinding *a = (const VkDescriptorSetLayoutBinding*)av; |
| const VkDescriptorSetLayoutBinding *b = (const VkDescriptorSetLayoutBinding*)bv; |
| |
| return (a->binding < b->binding) ? -1 : (a->binding > b->binding) ? 1 : 0; |
| } |
| |
| VkResult |
| vk_create_sorted_bindings(const VkDescriptorSetLayoutBinding *bindings, unsigned count, |
| VkDescriptorSetLayoutBinding **sorted_bindings) |
| { |
| if (!count) { |
| *sorted_bindings = NULL; |
| return VK_SUCCESS; |
| } |
| |
| *sorted_bindings = malloc(count * sizeof(VkDescriptorSetLayoutBinding)); |
| if (!*sorted_bindings) |
| return VK_ERROR_OUT_OF_HOST_MEMORY; |
| |
| memcpy(*sorted_bindings, bindings, count * sizeof(VkDescriptorSetLayoutBinding)); |
| qsort(*sorted_bindings, count, sizeof(VkDescriptorSetLayoutBinding), binding_compare); |
| |
| return VK_SUCCESS; |
| } |