mirror of
https://gitlab.freedesktop.org/mesa/vulkan-wsi-layer.git
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96657394ec
Stores the enabled instance and device extensions during vkCreateInstance and vkCreateDevice respectively. This fixes an issue where function pointers for functions of disabled extensions were returned during vkGetInstanceProcAddr/vkGetDeviceProcAddr. Adds functionality for adding extensions that belong to a subset of other extensions in util::extension_list. Adds function for checking if the proper surface extension has been enabled in each WSI backend. Signed-off-by: Iason Paraskevopoulos <iason.paraskevopoulos@arm.com> Change-Id: If5e23e0d07c9f09006be18c410c4e1d4c3a1e676
114 lines
4.8 KiB
C++
114 lines
4.8 KiB
C++
/*
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* Copyright (c) 2019, 2021 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
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* @brief Contains the factory methods for obtaining the specific surface and swapchain implementations.
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*/
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#pragma once
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#include "swapchain_base.hpp"
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#include "surface_properties.hpp"
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#include "util/platform_set.hpp"
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#include <unordered_map>
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namespace wsi
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{
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/**
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* @brief Obtains the surface properties for the specific surface type.
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*
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* @param instance_data The instance specific data.
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* @param surface The surface for which to get the properties.
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*
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* @return nullptr if surface type is unsupported.
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*/
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surface_properties *get_surface_properties(layer::instance_private_data &instance_data, VkSurfaceKHR surface);
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/**
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* @brief Allocates a surface specific swapchain.
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*
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* @param surface The surface for which a swapchain is allocated.
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* @param dev_data The device specific data.
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* @param pAllocator The allocator from which to allocate any memory.
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*
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* @return nullptr on failure.
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*/
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util::unique_ptr<swapchain_base> allocate_surface_swapchain(VkSurfaceKHR surface, layer::device_private_data &dev_data,
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const VkAllocationCallbacks *pAllocator);
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/**
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* @brief Destroys a swapchain and frees memory. Used with @ref allocate_surface_swapchain.
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*
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* @param swapchain Pointer to the swapchain to destroy.
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* @param dev_data The device specific data.
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* @param pAllocator The allocator to use for freeing memory.
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*/
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void destroy_surface_swapchain(swapchain_base *swapchain, layer::device_private_data &dev_data, const VkAllocationCallbacks *pAllocator);
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/**
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* @brief Return which platforms the layer can handle for an instance constructed in the specified way.
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*
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* @details This function looks at the extensions specified in @p pCreateInfo and based on this returns a list of
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* platforms that the layer can support. For example, if the @c pCreateInfo.ppEnabledExtensionNames contains the string
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* "VK_EXT_headless_surface" then the returned platform set will contain @c VK_ICD_WSI_PLATFORM_HEADLESS.
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*
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* @param pCreateInfo Structure used when creating the instance in vkCreateInstance().
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*
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* @return A list of WS platforms supported by the layer.
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*/
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util::wsi_platform_set find_enabled_layer_platforms(const VkInstanceCreateInfo *pCreateInfo);
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/**
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* @brief Add extra extensions that the layer requires to support the specified list of enabled platforms.
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*
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* @details Check whether @p phys_dev has support for the extensions required by the layer in order to support the
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* platforms it implements. The extensions that the layer requires to operate are added to @p extensions_to_enable.
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*
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* @param[in] phys_dev The physical device to check.
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* @param[in] enabled_platforms All the platforms that the layer must enable for @p phys_dev.
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* @param[in,out] extensions_to_enable All the extensions required by the layer are added to this list.
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*
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* @retval @c VK_SUCCESS if the operation was successful.
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*/
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VkResult add_extensions_required_by_layer(VkPhysicalDevice phys_dev, const util::wsi_platform_set enabled_platforms,
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util::extension_list &extensions_to_enable);
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/**
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* @brief Return a function pointer for surface specific functions.
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*
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* @details This function iterates through the supported platforms and queries them for the
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* implementation of the @p name function.
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*
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* @param name The name of the target function
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* @param instance_data The instance specific data.
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*
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* @return A pointer to the implementation of the @p name function or null pointer in case this
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* function isn't implemented for any platform.
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*/
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PFN_vkVoidFunction get_proc_addr(const char *name, const layer::instance_private_data &instance_data);
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} // namespace wsi
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