mirror of
https://gitlab.freedesktop.org/mesa/vulkan-wsi-layer.git
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ee3f6c5ab9
* Wshadow warns when a variable shadows another * Wconversion warns on implicit int conversions * Fixes warnings generated by them Signed-off-by: Alex Bates <alex.bates@arm.com>
103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/*
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* Copyright (c) 2025 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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/**
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* @file present_wait_wayland.cpp
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*
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* @brief Contains the base class declaration for the VK_KHR_present_wait extension.
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*/
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#include "present_wait_wayland.hpp"
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#include "wl_helpers.hpp"
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#include <limits.h>
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namespace wsi
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{
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namespace wayland
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{
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wsi_ext_present_wait_wayland::wsi_ext_present_wait_wayland(wsi_ext_present_id &present_id_extension, bool present_wait2)
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: wsi_ext_present_wait(present_id_extension, present_wait2)
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{
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}
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void wsi_ext_present_wait_wayland::set_wayland_dispatcher(wl_display *display, struct wl_event_queue *queue)
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{
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/* These objects shouldn't be set twice */
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assert(m_display == nullptr);
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assert(m_queue == nullptr);
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m_display = display;
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m_queue = queue;
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}
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VkResult wsi_ext_present_wait_wayland::wait_for_update(uint64_t present_id, uint64_t timeout_in_ns)
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{
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assert(m_display != nullptr);
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assert(m_queue != nullptr);
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do
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{
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VkResult error_state = m_present_id_ext.get_error_state();
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if (error_state != VK_SUCCESS)
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{
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return error_state;
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}
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else if (m_present_id_ext.get_last_delivered_present_id() >= present_id)
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{
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return VK_SUCCESS;
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}
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int delay_in_ms = 0;
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if (timeout_in_ns != UINT64_MAX)
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{
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const uint64_t min_delay_in_ns = std::min(static_cast<uint64_t>(5000000ULL /* 5ms */), timeout_in_ns);
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const uint64_t min_delay_in_ms = min_delay_in_ns / 1000000ULL;
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timeout_in_ns -= min_delay_in_ns;
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delay_in_ms = static_cast<int>(std::min<uint64_t>(min_delay_in_ms, static_cast<uint64_t>(INT_MAX)));
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}
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else
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{
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/* For the infinite wait, do a repeated timeout of 5s to avoid deadlock where
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* the queue could be dispatched by another thread and no other events would be
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* dispatched from the queue anymore from the application until this call returns. */
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delay_in_ms = 5000;
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}
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/* timeout in dispatch_queue is not an issue as it could have been dispatched by another thread
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* at the same time. */
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if (dispatch_queue(m_display, m_queue, delay_in_ms) == -1 /*error but not timeout*/)
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{
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return VK_ERROR_SURFACE_LOST_KHR;
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}
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} while (timeout_in_ns > 0);
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return VK_TIMEOUT;
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}
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} /* namespace wayland */
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} /* namespace wsi */
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