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/*
* Copyright (c) 2021 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* 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 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.
*/
#pragma once
#include <cassert>
#include <stdint.h>
#include <vulkan/vk_icd.h>
namespace util
{
/**
* @brief Set of WSI platforms.
* @note This could be implemented via std::unordered_set, but would require handling allocation callbacks and would
* therefore be less convenient to use. Instead, we can store all info in the bits of uint64_t.
*/
class wsi_platform_set
{
public:
void add(VkIcdWsiPlatform p)
{
m_platforms |= (static_cast<uint64_t>(1) << to_int(p));
}
bool contains(VkIcdWsiPlatform p) const
{
return (m_platforms & (static_cast<uint64_t>(1) << to_int(p))) != 0;
}
private:
/**
* @brief Convert a VkIcdWsiPlatform to an integer between 0-63.
*/
static int to_int(VkIcdWsiPlatform p)
{
assert(static_cast<int>(p) >= 0 && static_cast<int>(p) < 64);
return static_cast<int>(p);
}
uint64_t m_platforms = 0;
};
} /* namespace util */
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