/* * Copyright (c) 2025 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. */ /** * @file present_wait.hpp * * @brief Contains the base class declaration for the VK_KHR_present_wait extension. */ #pragma once #include "wsi_extension.hpp" #include "present_id.hpp" #include namespace wsi { /** * @brief Present wait extension class * * This class defines the present wait extension * implementation. */ class wsi_ext_present_wait : public wsi_ext { public: /** * @brief The name of the extension. */ WSI_DEFINE_EXTENSION(VK_KHR_PRESENT_WAIT_EXTENSION_NAME); /** * @brief Constructs present ID class. * * @param present_id_extension Present ID extension that this class will use to query * the last delivered present ID for the swapchain. This extension pointer must outlive * this class. * @param present_wait2 Indication for using/not using the Present Wait2 extension. */ wsi_ext_present_wait(wsi_ext_present_id &present_id_extension, bool present_wait2); /** * @brief Waits for present ID to be updated. * * @param present_id Present ID value to wait for. * @param timeout_in_ns Timeout in nanoseconds. * @return VK_SUCCESS if present ID value was updated to be above or equal to the requested wait value. * Other error codes otherwise. */ VkResult wait_for_present_id(uint64_t present_id, uint64_t timeout_in_ns); /** * @brief Getter for the present_wait2. */ bool is_present_wait2() const { return m_present_wait2; }; protected: /** * @brief Backend specific implementation that will wait for the present ID to * be updated. * @param present_id Present ID value to wait for. * @param timeout_in_ns Timeout in nanoseconds. * @return VK_SUCCESS if present ID value was updated to be above or equal to the requested wait value. * Other error codes otherwise. */ virtual VkResult wait_for_update(uint64_t present_id, uint64_t timeout_in_ns) = 0; /** * @brief Present ID extension pointer. */ wsi_ext_present_id &m_present_id_ext; private: /** * @brief Present Wait2 indication. */ bool m_present_wait2{ false }; }; } /* namespace wsi */