/* Copyright (c) 2019 The Khronos Group Inc.
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* Copyright (c) 2019 Valve Corporation
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* Copyright (c) 2019 LunarG, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: John Zulauf <jzulauf@lunarg.com>
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*/
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#ifndef HASH_VK_TYPES_H_
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#define HASH_VK_TYPES_H_
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// Includes everything needed for overloading std::hash
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#include "hash_util.h"
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#include <vulkan/vulkan.h>
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#include "vk_safe_struct.h"
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#include <vector>
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// Hash and equality and/or compare functions for selected Vk types (and useful collections thereof)
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// VkDescriptorSetLayoutBinding
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static bool operator==(const safe_VkDescriptorSetLayoutBinding &lhs, const safe_VkDescriptorSetLayoutBinding &rhs) {
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if ((lhs.binding != rhs.binding) || (lhs.descriptorType != rhs.descriptorType) ||
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(lhs.descriptorCount != rhs.descriptorCount) || (lhs.stageFlags != rhs.stageFlags) ||
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!hash_util::similar_for_nullity(lhs.pImmutableSamplers, rhs.pImmutableSamplers)) {
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return false;
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}
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if (lhs.pImmutableSamplers) { // either one will do as they *are* similar for nullity (i.e. either both null or both non-null)
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for (uint32_t samp = 0; samp < lhs.descriptorCount; samp++) {
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if (lhs.pImmutableSamplers[samp] != rhs.pImmutableSamplers[samp]) {
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return false;
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}
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}
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}
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return true;
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}
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namespace std {
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template <>
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struct hash<safe_VkDescriptorSetLayoutBinding> {
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size_t operator()(const safe_VkDescriptorSetLayoutBinding &value) const {
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hash_util::HashCombiner hc;
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hc << value.binding << value.descriptorType << value.descriptorCount << value.stageFlags;
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if (value.pImmutableSamplers) {
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for (uint32_t samp = 0; samp < value.descriptorCount; samp++) {
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hc << value.pImmutableSamplers[samp];
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}
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}
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return hc.Value();
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}
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};
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} // namespace std
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// VkPushConstantRange
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static inline bool operator==(const VkPushConstantRange &lhs, const VkPushConstantRange &rhs) {
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return (lhs.stageFlags == rhs.stageFlags) && (lhs.offset == rhs.offset) && (lhs.size == rhs.size);
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}
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namespace std {
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template <>
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struct hash<VkPushConstantRange> {
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size_t operator()(const VkPushConstantRange &value) const {
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hash_util::HashCombiner hc;
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return (hc << value.stageFlags << value.offset << value.size).Value();
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}
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};
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} // namespace std
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using PushConstantRanges = std::vector<VkPushConstantRange>;
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namespace std {
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template <>
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struct hash<PushConstantRanges> : public hash_util::IsOrderedContainer<PushConstantRanges> {};
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} // namespace std
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// VkImageSubresourceRange
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static bool operator==(const VkImageSubresourceRange &lhs, const VkImageSubresourceRange &rhs) {
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return (lhs.aspectMask == rhs.aspectMask) && (lhs.baseMipLevel == rhs.baseMipLevel) && (lhs.levelCount == rhs.levelCount) &&
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(lhs.baseArrayLayer == rhs.baseArrayLayer) && (lhs.layerCount == rhs.layerCount);
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}
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namespace std {
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template <>
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struct hash<VkImageSubresourceRange> {
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size_t operator()(const VkImageSubresourceRange &value) const {
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hash_util::HashCombiner hc;
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hc << value.aspectMask << value.baseMipLevel << value.levelCount << value.baseArrayLayer << value.layerCount;
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return hc.Value();
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}
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};
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} // namespace std
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#endif // HASH_VK_TYPES_H_
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