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#.rst:
# FindVulkanHeaders
# -----------------
#
# Try to find Vulkan Headers and Registry.
#
# This module is intended to be used by projects that build Vulkan
# "system" components such as the loader and layers.
# Vulkan applications should instead use the FindVulkan (or similar)
# find module that locates the headers and the loader library.
#
# When using this find module to locate the headers and registry
# in a Vulkan-Headers repository, the Vulkan-Headers repository
# should be built with 'install' target and the following environment
# or CMake variable set to the location of the install directory.
#
# VULKAN_HEADERS_INSTALL_DIR
#
# IMPORTED Targets
# ^^^^^^^^^^^^^^^^
#
# This module defines no IMPORTED targets
#
# Result Variables
# ^^^^^^^^^^^^^^^^
#
# This module defines the following variables::
#
# VulkanHeaders_FOUND - True if VulkanHeaders was found
# VulkanHeaders_INCLUDE_DIRS - include directories for VulkanHeaders
#
# VulkanRegistry_FOUND - True if VulkanRegistry was found
# VulkanRegistry_DIRS - directories for VulkanRegistry
#
# The module will also define two cache variables::
#
# VulkanHeaders_INCLUDE_DIR - the VulkanHeaders include directory
# VulkanRegistry_DIR - the VulkanRegistry directory
#
# Use HINTS instead of PATH to search these locations before
# searching system environment variables like $PATH that may
# contain SDK directories.
find_path(VulkanHeaders_INCLUDE_DIR
NAMES vulkan/vulkan.h
HINTS
${VULKAN_HEADERS_INSTALL_DIR}/include
"$ENV{VULKAN_HEADERS_INSTALL_DIR}/include"
"$ENV{VULKAN_SDK}/include")
if(VulkanHeaders_INCLUDE_DIR)
get_filename_component(VULKAN_REGISTRY_PATH_HINT ${VulkanHeaders_INCLUDE_DIR} DIRECTORY)
find_path(VulkanRegistry_DIR
NAMES vk.xml
HINTS "${VULKAN_REGISTRY_PATH_HINT}/share/vulkan/registry")
endif()
set(VulkanHeaders_INCLUDE_DIRS ${VulkanHeaders_INCLUDE_DIR})
set(VulkanRegistry_DIRS ${VulkanRegistry_DIR})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(VulkanHeaders
DEFAULT_MSG
VulkanHeaders_INCLUDE_DIR)
find_package_handle_standard_args(VulkanRegistry
DEFAULT_MSG
VulkanRegistry_DIR)
mark_as_advanced(VulkanHeaders_INCLUDE_DIR VulkanRegistry_DIR)
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