qt5base-lts/cmake/FindWrapVulkanHeaders.cmake
Morten Johan Sørvig a34a10c11f Support MoltenVK from homebrew
MoltenVK installed from homebrew has the following
directory structure:

  molten-vk/1.1.5/libexec/include/vulkan/vulkan.h
  molten-vk/1.1.5/include/MoltenVK/mvk_vulkan.h

Task-number: QTBUG-80576
Pick-to: 6.2
Change-Id: If6f5aeb55908f60fff49417ee1ddf4c2db980c5a
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2021-10-13 09:37:36 +00:00

53 lines
2.2 KiB
CMake

# 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()
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(WrapVulkanHeaders DEFAULT_MSG Vulkan_INCLUDE_DIR)