vulkan-wsi-layer/wsi/headless/present_timing_handler.hpp
2025-05-16 08:26:19 +00:00

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/*
* 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_timing_handler.hpp
*
* @brief Contains the functionality to implement features for present timing extension.
*/
#pragma once
#if VULKAN_WSI_LAYER_EXPERIMENTAL
#include <wsi/extensions/present_timing.hpp>
/**
* @brief Present timing extension class
*
* This class implements present timing features declarations that are specific to the headless backend.
*/
class wsi_ext_present_timing_headless : public wsi::wsi_ext_present_timing
{
public:
static util::unique_ptr<wsi_ext_present_timing_headless> create(const VkDevice &device,
const util::allocator &allocator);
VkResult get_swapchain_timing_properties(uint64_t &timing_properties_counter,
VkSwapchainTimingPropertiesEXT &timing_properties) override;
private:
wsi_ext_present_timing_headless(const util::allocator &allocator);
/* Allow util::allocator to access the private constructor */
friend util::allocator;
};
#endif