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