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https://gitlab.freedesktop.org/mesa/vulkan-wsi-layer.git
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2d4cbd5afa
Decouples the swapchain images and their memory binder/allocator logic into separate classes. This allows us to reduce code duplication across different backends that use the same type of allocation logic and also allows us to make use of RAII to release the resources for swapchain images. The swapchain_base and other swapchain classes have been refactored to handle the new swapchain images. The patch makes the following adjustments: * Introduces a new swapchain_image class that holds all swapchain image resources * Introduces a swapchain image factory class that constructs swapchain images * Introduces a Vulkan image handle class that is responsible for constructing VkImage handles * Introduces a new interface that describes how swapchain backing memory is being allocated * As part of this backing memory interface, introduces device and external (wsialloc) backing memory classes * Introduces a new interface that holds swapchain image data like wl_buffers * Refactors lots of swapchain image parts out of the base swapchain class and moves it into the respective backends to simplify the swapchain classes.
116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
/*
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* Copyright (c) 2024-2025 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 frame_boundary.hpp
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*
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* @brief Contains the implementation for the VK_EXT_frame_boundary extension.
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*/
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#pragma once
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#include <vulkan/vulkan.h>
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#include <layer/private_data.hpp>
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#include <util/custom_allocator.hpp>
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#include <util/macros.hpp>
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#include <util/wsi_extension.hpp>
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#include <optional>
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namespace wsi
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{
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/**
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* @brief Frame boundary extension class
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*
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* This class defines the frame boundary extension
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* features.
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*/
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class wsi_ext_frame_boundary : public util::wsi_ext
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{
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public:
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/**
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* @brief The name of the extension.
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*/
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WSI_DEFINE_EXTENSION(VK_EXT_FRAME_BOUNDARY_EXTENSION_NAME);
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wsi_ext_frame_boundary(const layer::device_private_data &device_data);
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/**
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* @brief Handle frame boundary event at present time
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*
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* @param present_info Information about the swapchain and image to be presented.
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* @param current_image_to_be_presented Address to the currently to be presented image
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*/
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std::optional<VkFrameBoundaryEXT> handle_frame_boundary_event(const VkPresentInfoKHR *present_info,
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VkImage *current_image_to_be_presented);
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private:
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/**
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* @brief Create a frame boundary with the current image
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*
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* @param image Address to the currently to be presented image
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* @return Frame boundary structure
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*/
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VkFrameBoundaryEXT create_frame_boundary(VkImage *image);
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/**
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* @brief Check whether we should handle frame boundary events.
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*
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* @return true if supported, false otherwise.
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*/
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bool should_layer_handle_frame_boundary_events() const;
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/**
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* @brief Holds the number of the current frame identifier for the swapchain
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*/
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uint64_t m_current_frame_boundary_id{ 0 };
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/**
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* @brief Stores whether the layer should handle frame boundary events.
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*/
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const bool m_handle_frame_boundary_events;
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};
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/**
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* @brief Create a frame boundary object
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*
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* @param present_info Present info
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* @return Frame boundary if @p present_info has passed it.
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*/
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std::optional<VkFrameBoundaryEXT> create_frame_boundary(const VkPresentInfoKHR &present_info);
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/**
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* @brief Handle frame boundary event at present time
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*
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* @param present_info Information about the swapchain and image to be presented.
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* @param current_image_to_be_presented Address to the currently to be presented image
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* @param frame_boundary Frame boundary extension for current backend or nullptr if not enabled.
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*/
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std::optional<VkFrameBoundaryEXT> handle_frame_boundary_event(const VkPresentInfoKHR *present_info,
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VkImage *current_image_to_be_presented,
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wsi::wsi_ext_frame_boundary *frame_boundary);
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} /* namespace wsi */
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