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vulkan-wsi-layer/CMakeLists.txt
Normunds Rieksts 2d4cbd5afa Decouple swapchain images and their memory from swapchain class 
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.
2025-11-20 13:55:45 +00:00

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# Copyright (c) 2019-2025 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.
cmake_minimum_required(VERSION 3.4.3...4.0)
project(VkLayer_window_system_integration)
find_package(PkgConfig REQUIRED)
pkg_check_modules(VULKAN_PKG_CONFIG vulkan)
find_program(CLANG_TIDY clang-tidy-8)
if (NOT CLANG_TIDY STREQUAL "CLANG_TIDY-NOTFOUND")
message(STATUS "Using clang-tidy: ${CLANG_TIDY}")
set(CMAKE_CXX_CLANG_TIDY ${CLANG_TIDY} -checks=bugprone-*,modernize-*)
endif()
string(APPEND CMAKE_CXX_FLAGS
" -Wall -Werror -Wextra"
" -Wdouble-promotion -Wnon-virtual-dtor -Wdelete-non-virtual-dtor"
" -Wcast-qual -Werror=return-type -Wmissing-format-attribute"
" -pthread -fPIC"
)
string(APPEND CMAKE_C_FLAGS
" -Wall -Werror -Wextra"
" -Wstrict-prototypes"
" -fPIC"
)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
set(CMAKE_C_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
if(NOT DEFINED VULKAN_CXX_INCLUDE)
set(VULKAN_CXX_INCLUDE ${VULKAN_PKG_CONFIG_INCLUDEDIR})
endif()
if(DEFINED VULKAN_CXX_INCLUDE)
message(STATUS "Using Vulkan include directories: ${VULKAN_CXX_INCLUDE}")
separate_arguments(VULKAN_CXX_INCLUDE)
else()
message(FATAL_ERROR "Either vulkan.pc must be available or VULKAN_CXX_INCLUDE must be defined")
endif()
# Build Configuration options
# Backend support
option(BUILD_WSI_HEADLESS "Build with support for VK_EXT_headless_surface" ON)
option(BUILD_WSI_WAYLAND "Build with support for VK_KHR_wayland_surface" OFF)
option(BUILD_WSI_DISPLAY "Build with support for VK_KHR_display" OFF)
set(SELECT_EXTERNAL_ALLOCATOR "none" CACHE STRING "Select an external system allocator (none, dma_buf_heaps)")
set(EXTERNAL_WSIALLOC_LIBRARY "" CACHE STRING "External implementation of the wsialloc interface to use")
set(WSIALLOC_MEMORY_HEAP_NAME "linux,cma" CACHE STRING "Heap name used by the dma_buf_heaps allocator")
# Optional features
option(BUILD_WSI_DISPLAY_SUPPORT_FORMAT_MODIFIERS "Build with support for format modifiers in VK_KHR_display" ON)
option(VULKAN_WSI_LAYER_EXPERIMENTAL "Enable the Vulkan WSI Experimental features" OFF)
option(ENABLE_WAYLAND_FIFO_PRESENTATION_THREAD "Enable the non-conformant FIFO presentation thread implementation in the Wayland backend" OFF)
# Enables the layer to pass frame boundary events if the ICD or layers below have support for it by
# making use of the VK_EXT_frame_boundary extension. If the application itself makes use of the
# VK_EXT_frame_boundary then the layer will not pass its own frame boundary events.
option(ENABLE_INSTRUMENTATION "Pass frame boundary events by using VK_EXT_frame_boundary" OFF)
if(BUILD_WSI_WAYLAND OR BUILD_WSI_DISPLAY)
set(BUILD_DRM_UTILS true)
set(BUILD_WSIALLOC_UTILS true)
if(SELECT_EXTERNAL_ALLOCATOR STREQUAL "none")
message(FATAL_ERROR "WSI only supported with an external allocator.")
endif()
endif()
if(BUILD_DRM_UTILS)
add_library(drm_utils STATIC util/drm/drm_utils.cpp)
pkg_check_modules(LIBDRM REQUIRED libdrm)
message(STATUS "Using libdrm include directories: ${LIBDRM_INCLUDE_DIRS}")
message(STATUS "Using libdrm cflags: ${LIBDRM_CFLAGS}")
target_sources(drm_utils PRIVATE util/drm/format_table.c)
target_include_directories(drm_utils PRIVATE ${VULKAN_CXX_INCLUDE})
target_include_directories(drm_utils PUBLIC ${LIBDRM_INCLUDE_DIRS})
target_include_directories(drm_utils PUBLIC util/wsialloc)
target_compile_options(drm_utils PUBLIC ${LIBDRM_CFLAGS})
endif()
# External WSI Allocator
if(NOT SELECT_EXTERNAL_ALLOCATOR STREQUAL "none" AND EXTERNAL_WSIALLOC_LIBRARY STREQUAL "")
add_library(wsialloc STATIC)
set_target_properties(wsialloc PROPERTIES C_STANDARD 99)
if(SELECT_EXTERNAL_ALLOCATOR STREQUAL "dma_buf_heaps")
target_sources(wsialloc PRIVATE util/wsialloc/wsialloc_dma_buf_heaps.c util/wsialloc/wsialloc_helpers.c)
target_link_libraries(wsialloc drm_utils)
if(DEFINED KERNEL_HEADER_DIR)
target_include_directories(wsialloc PRIVATE "${KERNEL_HEADER_DIR}")
else()
message(FATAL_ERROR "KERNEL_HEADER_DIR must be defined as the directory that includes the kernel headers.")
endif()
add_definitions(-Ulinux -DWSIALLOC_MEMORY_HEAP_NAME=${WSIALLOC_MEMORY_HEAP_NAME})
else()
message(FATAL_ERROR "Invalid external allocator selected: ${SELECT_EXTERNAL_ALLOCATOR}")
endif()
target_include_directories(wsialloc PRIVATE ${VULKAN_CXX_INCLUDE})
target_include_directories(wsialloc PRIVATE util/drm)
target_include_directories(wsialloc PRIVATE util/)
endif()
if(BUILD_WSIALLOC_UTILS)
add_library(wsi_utils STATIC wsi/wsi_alloc_utils.cpp)
target_include_directories(wsi_utils PRIVATE
${PROJECT_SOURCE_DIR}
${VULKAN_CXX_INCLUDE}
${CMAKE_CURRENT_BINARY_DIR})
target_link_libraries(wsi_utils drm_utils)
target_include_directories(wsi_utils PRIVATE util/wsialloc)
target_compile_definitions(wsi_utils PRIVATE ${WSI_DEFINES})
endif()
# Wayland WSI
if(BUILD_WSI_WAYLAND)
add_library(wayland_wsi STATIC
wsi/wayland/surface_properties.cpp
wsi/wayland/surface.cpp
wsi/wayland/wl_helpers.cpp
wsi/wayland/swapchain.cpp
wsi/wayland/present_wait_wayland.cpp
wsi/extensions/external_memory_extension.cpp
wsi/image_backing_memory_external.cpp)
if(VULKAN_WSI_LAYER_EXPERIMENTAL)
target_sources(wayland_wsi PRIVATE wsi/wayland/present_id_wayland.cpp)
target_sources(wayland_wsi PRIVATE wsi/wayland/present_timing_handler.cpp)
target_sources(wayland_wsi PRIVATE wsi/wayland/wp_presentation_feedback.cpp)
endif()
pkg_check_modules(WAYLAND_CLIENT REQUIRED wayland-client)
message(STATUS "Using Wayland client include directories: ${WAYLAND_CLIENT_INCLUDE_DIRS}")
message(STATUS "Using Wayland client cflags: ${WAYLAND_CLIENT_CFLAGS}")
message(STATUS "Using Wayland client ldflags: ${WAYLAND_CLIENT_LDFLAGS}")
find_program(WAYLAND_SCANNER_EXEC wayland-scanner REQUIRED)
message(STATUS "Using wayland-scanner : ${WAYLAND_SCANNER_EXEC}")
pkg_check_modules(WAYLAND_PROTOCOLS REQUIRED wayland-protocols)
pkg_get_variable(WAYLAND_PROTOCOLS_DIR wayland-protocols pkgdatadir)
message(STATUS "Using wayland protocols dir : ${WAYLAND_PROTOCOLS_DIR}")
add_custom_target(wayland_generated_files
COMMAND ${WAYLAND_SCANNER_EXEC} client-header
${WAYLAND_PROTOCOLS_DIR}/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml
${CMAKE_CURRENT_BINARY_DIR}/linux-dmabuf-unstable-v1-client-protocol.h
COMMAND ${WAYLAND_SCANNER_EXEC} public-code
${WAYLAND_PROTOCOLS_DIR}/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml
${CMAKE_CURRENT_BINARY_DIR}/linux-dmabuf-unstable-v1-protocol.c
COMMAND ${WAYLAND_SCANNER_EXEC} client-header
${WAYLAND_PROTOCOLS_DIR}/unstable/linux-explicit-synchronization/linux-explicit-synchronization-unstable-v1.xml
${CMAKE_CURRENT_BINARY_DIR}/linux-explicit-synchronization-unstable-v1-protocol.h
COMMAND ${WAYLAND_SCANNER_EXEC} public-code
${WAYLAND_PROTOCOLS_DIR}/unstable/linux-explicit-synchronization/linux-explicit-synchronization-unstable-v1.xml
${CMAKE_CURRENT_BINARY_DIR}/linux-explicit-synchronization-unstable-v1-protocol.c
COMMAND ${WAYLAND_SCANNER_EXEC} client-header
${WAYLAND_PROTOCOLS_DIR}/stable/presentation-time/presentation-time.xml
${CMAKE_CURRENT_BINARY_DIR}/presentation-time-client-protocol.h
COMMAND ${WAYLAND_SCANNER_EXEC} public-code
${WAYLAND_PROTOCOLS_DIR}/stable/presentation-time/presentation-time.xml
${CMAKE_CURRENT_BINARY_DIR}/presentation-time-client-protocol.c
BYPRODUCTS linux-dmabuf-unstable-v1-protocol.c linux-dmabuf-unstable-v1-client-protocol.h
linux-explicit-synchronization-unstable-v1-protocol.c linux-explicit-synchronization-unstable-v1-protocol.h
presentation-time-client-protocol.c presentation-time-client-protocol.h)
target_sources(wayland_wsi PRIVATE
${CMAKE_CURRENT_BINARY_DIR}/linux-dmabuf-unstable-v1-protocol.c
${CMAKE_CURRENT_BINARY_DIR}/linux-dmabuf-unstable-v1-client-protocol.h
${CMAKE_CURRENT_BINARY_DIR}/linux-explicit-synchronization-unstable-v1-protocol.c
${CMAKE_CURRENT_BINARY_DIR}/linux-explicit-synchronization-unstable-v1-protocol.h
${CMAKE_CURRENT_BINARY_DIR}/presentation-time-client-protocol.c
${CMAKE_CURRENT_BINARY_DIR}/presentation-time-client-protocol.h)
add_dependencies(wayland_wsi wayland_generated_files)
# Mark Wayland headers as system to suppress third-party warnings like -Wcast-qual
target_include_directories(wayland_wsi SYSTEM PRIVATE
${WAYLAND_CLIENT_INCLUDE_DIRS}
${CMAKE_CURRENT_BINARY_DIR})
# Keep project and Vulkan includes normal for full warnings
target_include_directories(wayland_wsi PRIVATE
${PROJECT_SOURCE_DIR}
${VULKAN_CXX_INCLUDE})
# Suppress cast-qual warnings coming from Wayland headers
target_compile_options(wayland_wsi PRIVATE ${WAYLAND_CLIENT_CFLAGS})
target_compile_options(wayland_wsi INTERFACE "-DBUILD_WSI_WAYLAND=1")
if(NOT EXTERNAL_WSIALLOC_LIBRARY STREQUAL "")
target_link_libraries(wayland_wsi ${EXTERNAL_WSIALLOC_LIBRARY})
else()
target_link_libraries(wayland_wsi wsialloc)
endif()
target_link_libraries(wayland_wsi drm_utils ${WAYLAND_CLIENT_LDFLAGS})
target_link_libraries(wayland_wsi wsi_utils)
list(APPEND LINK_WSI_LIBS wayland_wsi)
if(ENABLE_WAYLAND_FIFO_PRESENTATION_THREAD)
target_compile_definitions(wayland_wsi PRIVATE "-DWAYLAND_FIFO_PRESENTATION_THREAD_ENABLED=1")
else()
target_compile_definitions(wayland_wsi PRIVATE "-DWAYLAND_FIFO_PRESENTATION_THREAD_ENABLED=0")
endif()
else()
list(APPEND JSON_COMMANDS COMMAND sed -i '/VK_KHR_wayland_surface/d' ${CMAKE_CURRENT_BINARY_DIR}/VkLayer_window_system_integration.json)
endif()
# Headless
if(BUILD_WSI_HEADLESS)
add_library(wsi_headless STATIC
wsi/headless/surface_properties.cpp
wsi/headless/surface.cpp
wsi/headless/swapchain.cpp
wsi/headless/present_wait_headless.cpp
wsi/image_backing_memory_device.cpp)
if(VULKAN_WSI_LAYER_EXPERIMENTAL)
target_sources(wsi_headless PRIVATE wsi/headless/present_timing_handler.cpp)
endif()
target_include_directories(wsi_headless PRIVATE
${PROJECT_SOURCE_DIR}
${VULKAN_CXX_INCLUDE}
${CMAKE_CURRENT_BINARY_DIR})
target_compile_options(wsi_headless INTERFACE "-DBUILD_WSI_HEADLESS=1")
list(APPEND LINK_WSI_LIBS wsi_headless)
else()
list(APPEND JSON_COMMANDS COMMAND sed -i '/VK_EXT_headless_surface/d' ${CMAKE_CURRENT_BINARY_DIR}/VkLayer_window_system_integration.json)
list(APPEND JSON_COMMANDS COMMAND sed -i '/VK_KHR_shared_presentable_image/d' ${CMAKE_CURRENT_BINARY_DIR}/VkLayer_window_system_integration.json)
endif()
# Display
if (BUILD_WSI_DISPLAY)
add_library(wsi_display STATIC
wsi/display/drm_display.cpp
wsi/display/surface_properties.cpp
wsi/display/swapchain.cpp
wsi/display/surface.cpp
wsi/extensions/external_memory_extension.cpp
wsi/display/present_wait_display.cpp
wsi/image_backing_memory_external.cpp)
pkg_check_modules(LIBDRM REQUIRED libdrm)
message(STATUS "Using libdrm include directories: ${LIBDRM_INCLUDE_DIRS}")
message(STATUS "Using libdrm ldflags: ${LIBDRM_LDFLAGS}")
target_include_directories(wsi_display PRIVATE
${PROJECT_SOURCE_DIR}
${VULKAN_CXX_INCLUDE}
${CMAKE_CURRENT_BINARY_DIR})
target_include_directories(wsi_display PUBLIC
${LIBDRM_INCLUDE_DIRS})
target_compile_options(wsi_display INTERFACE "-DBUILD_WSI_DISPLAY=1")
target_link_libraries(wsi_display ${LIBDRM_LDFLAGS} drm)
target_link_libraries(wsi_display drm_utils)
target_link_libraries(wsi_display wsi_utils)
if(NOT EXTERNAL_WSIALLOC_LIBRARY STREQUAL "")
target_link_libraries(wsi_display ${EXTERNAL_WSIALLOC_LIBRARY})
else()
target_link_libraries(wsi_display wsialloc)
endif()
list(APPEND LINK_WSI_LIBS wsi_display)
else()
list(APPEND JSON_COMMANDS COMMAND sed -i '/VK_KHR_display/d' ${CMAKE_CURRENT_BINARY_DIR}/VkLayer_window_system_integration.json)
endif()
# Layer
add_library(${PROJECT_NAME} SHARED
layer/calibrated_timestamps_api.cpp
layer/layer.cpp
layer/private_data.cpp
layer/surface_api.cpp
layer/swapchain_api.cpp
layer/swapchain_maintenance_api.cpp
layer/present_wait_api.cpp
util/timed_semaphore.cpp
util/custom_allocator.cpp
util/custom_mutex.cpp
util/extension_list.cpp
util/log.cpp
util/format_modifiers.cpp
wsi/external_memory.cpp
wsi/extensions/image_compression_control.cpp
wsi/extensions/present_id.cpp
wsi/extensions/present_wait.cpp
wsi/extensions/frame_boundary.cpp
wsi/extensions/mutable_format_extension.cpp
util/wsi_extension.cpp
wsi/extensions/swapchain_maintenance.cpp
wsi/surface_properties.cpp
wsi/swapchain_base.cpp
wsi/synchronization.cpp
wsi/wsi_factory.cpp
wsi/vulkan_image_handle_creator.cpp
wsi/swapchain_image_factory.cpp
wsi/swapchain_image.cpp)
if (VULKAN_WSI_LAYER_EXPERIMENTAL)
target_sources(${PROJECT_NAME} PUBLIC ${PROJECT_SOURCE_DIR}/layer/present_timing_api.cpp)
target_sources(${PROJECT_NAME} PUBLIC ${PROJECT_SOURCE_DIR}/wsi/extensions/present_timing.cpp)
add_definitions("-DVULKAN_WSI_LAYER_EXPERIMENTAL=1")
else()
list(APPEND JSON_COMMANDS COMMAND sed -Ei '/VK_EXT_present_timing/d' ${CMAKE_CURRENT_BINARY_DIR}/VkLayer_window_system_integration.json)
add_definitions("-DVULKAN_WSI_LAYER_EXPERIMENTAL=0")
endif()
if((CMAKE_BUILD_TYPE MATCHES "^[Dd]ebug$") OR (CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo"))
target_sources(${PROJECT_NAME} PUBLIC util/debug.cpp)
endif()
target_compile_definitions(${PROJECT_NAME} PRIVATE ${WSI_DEFINES})
target_include_directories(${PROJECT_NAME} PRIVATE
${PROJECT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${VULKAN_CXX_INCLUDE})
if (BUILD_WSI_DISPLAY_SUPPORT_FORMAT_MODIFIERS)
add_definitions("-DWSI_DISPLAY_SUPPORT_FORMAT_MODIFIERS=1")
else()
add_definitions("-DWSI_DISPLAY_SUPPORT_FORMAT_MODIFIERS=0")
endif()
if(ENABLE_INSTRUMENTATION)
add_definitions("-DENABLE_INSTRUMENTATION=1")
else()
add_definitions("-DENABLE_INSTRUMENTATION=0")
endif()
target_link_libraries(${PROJECT_NAME} ${LINK_WSI_LIBS})
add_custom_target(manifest_json ALL COMMAND
cp ${PROJECT_SOURCE_DIR}/layer/VkLayer_window_system_integration.json ${CMAKE_CURRENT_BINARY_DIR}
${JSON_COMMANDS})
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