mirror of
https://gitlab.freedesktop.org/mesa/vulkan-wsi-layer.git
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92a3da6ad2
Fix CERT C/CPP issues flagged by static analysis tools. Signed-off-by: Dennis Tsiang <dennis.tsiang@arm.com> Change-Id: I6758bb83bd0647e4e6b7ccbf84e94f05ba90e160
115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
/*
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* Copyright (c) 2019, 2021-2022 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* 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 shall be included in all
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* copies or substantial portions of the 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 THE
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* 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 FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include "custom_allocator.hpp"
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#include "helpers.hpp"
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#include <vector>
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#include <algorithm>
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#include <vulkan/vulkan.h>
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namespace util
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{
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/**
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* @brief A helper class for storing a vector of extension names
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*
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* @note This class does not store the extension versions.
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*/
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class extension_list : private noncopyable
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{
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public:
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extension_list(const util::allocator &allocator);
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/**
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* @brief Get the allocator used to manage the memory of this object.
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*/
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const util::allocator get_allocator() const
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{
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return m_alloc;
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}
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/**
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* @brief Append pointers to extension strings to the given vector.
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*
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* @warning Pointers in the vector are referring to string allocated in this extension_list and will become invalid
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* if the extension_list is modified (e.g. by adding/removing elements.)
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*
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* @param[out] out A vector of C strings to which all extension are appended.
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*
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* @return Indicates whether the operation was successful. If this is @c VK_ERROR_OUT_OF_HOST_MEMORY,
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* then @p out is unmodified.
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*/
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VkResult get_extension_strings(util::vector<const char *> &out) const;
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/**
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* @brief Check if this extension list contains all the extensions listed in req.
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*/
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bool contains(const extension_list &req) const;
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/**
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* @brief Check if this extension list contains the extension specified by ext.
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*/
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bool contains(const char *ext) const;
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/**
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* @brief Remove an extension from a extension list
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*/
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void remove(const char *ext);
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VkResult add(VkExtensionProperties ext_prop);
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VkResult add(const VkExtensionProperties *props, size_t count);
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VkResult add(const extension_list &ext_list);
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VkResult add(const char *const *extensions, size_t count);
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VkResult add(const char *extension)
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{
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return add(&extension, 1);
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}
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/**
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* @brief Perform intersection between extensions and add them to the list.
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*
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* Adds the extensions from @p extensions that are also part of @p extensions_subset.
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*
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* @param extensions A list with the names of the extensions to be added.
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* @param count Length of the extensions list.
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* @param extensions_subset A list with the names of the target extensions.
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* @param subset_count Length of the target list.
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*
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* @return VK_SUCCESS on success, otherwise an error.
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*/
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VkResult add(const char *const *extensions, size_t count, const char *const *extensions_subset, size_t subset_count);
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private:
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util::allocator m_alloc;
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/**
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* @note We are using VkExtensionProperties to store the extension name only
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*/
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util::vector<VkExtensionProperties> m_ext_props;
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};
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} // namespace util
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