| /* Copyright (c) 2018 The Khronos Group Inc. |
| * Copyright (c) 2018 Valve Corporation |
| * Copyright (c) 2018 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 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 |
| |
| #endif // HASH_VK_TYPES_H_ |