mirror of
https://gitlab.freedesktop.org/mesa/vulkan-wsi-layer.git
synced 2026-01-04 01:30:22 +01:00
27aecc165e
In this change, the support for present stage local time doimain is enabled. The Vulkan entry-points vkGetCalibratedTimestampsEXT and vkGetCalibratedTimestampsKHR are introduced. These entry-points are intercepted for the structure VkSwapchainCalibratedTimestampInfoEXT to calibrate any stage local time domains. Internally, the stage local time domains are mapped to VK time domains with an offset. On intercepting the APIs when the structure VkSwapchainCalibratedTimestampInfoEXT is available, timestamps are internally queried based on VK time domain from the driver and are then converted to the corresponding stage local timestamps using the internally maintained offset for the time domain. Signed-off-by: Ginu Jacob <ginu.jacob@arm.com> Change-Id: I635e1bc27dd40540cc5e016ab5f784f9d8ebd333
79 lines
2.6 KiB
C++
79 lines
2.6 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_id_wayland.hpp
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*
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* @brief Contains the functionality to implement Wayland specific features for present id extension.
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*/
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#pragma once
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#if VULKAN_WSI_LAYER_EXPERIMENTAL
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#include <wsi/extensions/present_id.hpp>
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#include <util/ring_buffer.hpp>
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#include "surface_properties.hpp"
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#include "wp_presentation_feedback.hpp"
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#include <mutex>
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namespace wsi
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{
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namespace wayland
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{
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/**
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* @brief Present ID extension class
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*
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* This class implements present ID features declarations that are specific to the Wayland backend.
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*/
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class wsi_ext_present_id_wayland : public wsi::wsi_ext_present_id
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{
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public:
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/**
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* @brief Insert into pending present id list.
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*/
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presentation_feedback *insert_into_pending_present_feedback_list(uint64_t present_id,
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struct wp_presentation_feedback *feedback_obj);
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/**
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* @brief Remove a present id from the pending present id list.
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*/
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void remove_from_pending_present_feedback_list(uint64_t present_id);
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private:
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/**
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* @brief Mutex for synchronising accesses to the pending present id list.
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*/
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std::mutex m_pending_presents_lock;
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/**
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* @brief Stores the presentation feedbacks that have been queued.
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*/
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util::ring_buffer<presentation_feedback, wsi::surface_properties::MAX_SWAPCHAIN_IMAGE_COUNT * 2> m_pending_presents;
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};
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} // namespace wayland
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} // namespace wsi
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#endif /* VULKAN_WSI_LAYER_EXPERIMENTAL */
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