qt6windows7/cmake/FindWrapVulkanHeaders.cmake
2023-11-01 22:23:55 +01:00

76 lines
3.4 KiB
CMake

# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# We can't create the same interface imported target multiple times, CMake will complain if we do
# that. This can happen if the find_package call is done in multiple different subdirectories.
if(TARGET WrapVulkanHeaders::WrapVulkanHeaders)
set(WrapVulkanHeaders_FOUND ON)
return()
endif()
set(WrapVulkanHeaders_FOUND OFF)
find_package(Vulkan ${WrapVulkanHeaders_FIND_VERSION} QUIET)
# We are interested only in include headers. The libraries might be missing, so we can't check the
# _FOUND variable.
if(Vulkan_INCLUDE_DIR)
set(WrapVulkanHeaders_FOUND ON)
add_library(WrapVulkanHeaders::WrapVulkanHeaders INTERFACE IMPORTED)
target_include_directories(WrapVulkanHeaders::WrapVulkanHeaders INTERFACE
${Vulkan_INCLUDE_DIR})
set_target_properties(WrapVulkanHeaders::WrapVulkanHeaders PROPERTIES
_qt_is_nolink_target TRUE)
set_target_properties(WrapVulkanHeaders::WrapVulkanHeaders PROPERTIES
_qt_skip_include_dir_for_pri TRUE)
# Also propagate MoltenVK include directory on Apple platforms if found.
if(APPLE)
# Check for the LunarG Vulkan SDK folder structure.
set(__qt_molten_vk_include_path "${Vulkan_INCLUDE_DIR}/../../MoltenVK/include")
get_filename_component(
__qt_molten_vk_include_path
"${__qt_molten_vk_include_path}" ABSOLUTE)
if(EXISTS "${__qt_molten_vk_include_path}")
target_include_directories(WrapVulkanHeaders::WrapVulkanHeaders INTERFACE
${__qt_molten_vk_include_path})
endif()
# Check for homebrew molten-vk folder structure
set(__qt_molten_vk_homebrew_include_path "${Vulkan_INCLUDE_DIR}/../../include")
get_filename_component(
__qt_molten_vk_homebrew_include_path
"${__qt_molten_vk_homebrew_include_path}" ABSOLUTE)
if(EXISTS "${__qt_molten_vk_homebrew_include_path}")
target_include_directories(WrapVulkanHeaders::WrapVulkanHeaders INTERFACE
${__qt_molten_vk_homebrew_include_path})
endif()
# Check for homebrew vulkan-headers folder structure
# If instead of molten-vk folder, CMAKE_PREFIX_PATH points to Homebrew's
# vulkan-headers installation, then we will not be able to find molten-vk
# headers. If we assume that user has installed the molten-vk formula as
# well, then we might have a chance to pick it up like this.
if(Vulkan_INCLUDE_DIR MATCHES "/homebrew/Cellar/")
set(__qt_standalone_molten_vk_homebrew_include_path
"${Vulkan_INCLUDE_DIR}/../../../../opt/molten-vk/include")
else()
set(__qt_standalone_molten_vk_homebrew_include_path
"${Vulkan_INCLUDE_DIR}/../../molten-vk/include")
endif()
get_filename_component(
__qt_standalone_molten_vk_homebrew_include_path
"${__qt_standalone_molten_vk_homebrew_include_path}" ABSOLUTE)
if(EXISTS "${__qt_standalone_molten_vk_homebrew_include_path}")
target_include_directories(WrapVulkanHeaders::WrapVulkanHeaders INTERFACE
${__qt_standalone_molten_vk_homebrew_include_path})
endif()
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(WrapVulkanHeaders DEFAULT_MSG Vulkan_INCLUDE_DIR)