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      1 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
      2 # file Copyright.txt or https://cmake.org/licensing for details.
      3 
      4 #.rst:
      5 # FindVulkan
      6 # ----------
      7 #
      8 # Try to find Vulkan
      9 #
     10 # IMPORTED Targets
     11 # ^^^^^^^^^^^^^^^^
     12 #
     13 # This module defines :prop_tgt:`IMPORTED` target ``Vulkan::Vulkan``, if
     14 # Vulkan has been found.
     15 #
     16 # Result Variables
     17 # ^^^^^^^^^^^^^^^^
     18 #
     19 # This module defines the following variables::
     20 #
     21 #   Vulkan_FOUND          - True if Vulkan was found
     22 #   Vulkan_INCLUDE_DIRS   - include directories for Vulkan
     23 #   Vulkan_LIBRARIES      - link against this library to use Vulkan
     24 #
     25 # The module will also define two cache variables::
     26 #
     27 #   Vulkan_INCLUDE_DIR    - the Vulkan include directory
     28 #   Vulkan_LIBRARY        - the path to the Vulkan library
     29 #
     30 
     31 if(WIN32)
     32   find_path(Vulkan_INCLUDE_DIR
     33     NAMES vulkan/vulkan.h
     34     PATHS
     35       "$ENV{VULKAN_SDK}/Include"
     36     )
     37 
     38   if(CMAKE_SIZEOF_VOID_P EQUAL 8)
     39     find_library(Vulkan_LIBRARY
     40       NAMES vulkan-1
     41       PATHS
     42         "$ENV{VULKAN_SDK}/Lib"
     43         "$ENV{VULKAN_SDK}/Bin"
     44         )
     45   elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
     46     find_library(Vulkan_LIBRARY
     47       NAMES vulkan-1
     48       PATHS
     49         "$ENV{VULKAN_SDK}/Lib32"
     50         "$ENV{VULKAN_SDK}/Bin32"
     51         NO_SYSTEM_ENVIRONMENT_PATH
     52         )
     53   endif()
     54 else()
     55     find_path(Vulkan_INCLUDE_DIR
     56       NAMES vulkan/vulkan.h
     57       PATHS
     58         "$ENV{VULKAN_SDK}/include")
     59     find_library(Vulkan_LIBRARY
     60       NAMES vulkan
     61       PATHS
     62         "$ENV{VULKAN_SDK}/lib")
     63 endif()
     64 
     65 set(Vulkan_LIBRARIES ${Vulkan_LIBRARY})
     66 set(Vulkan_INCLUDE_DIRS ${Vulkan_INCLUDE_DIR})
     67 
     68 include(FindPackageHandleStandardArgs)
     69 find_package_handle_standard_args(Vulkan
     70   DEFAULT_MSG
     71   Vulkan_LIBRARY Vulkan_INCLUDE_DIR)
     72 
     73 mark_as_advanced(Vulkan_INCLUDE_DIR Vulkan_LIBRARY)
     74 
     75 if(Vulkan_FOUND AND NOT TARGET Vulkan::Vulkan)
     76   add_library(Vulkan::Vulkan UNKNOWN IMPORTED)
     77   set_target_properties(Vulkan::Vulkan PROPERTIES
     78     IMPORTED_LOCATION "${Vulkan_LIBRARIES}"
     79     INTERFACE_INCLUDE_DIRECTORIES "${Vulkan_INCLUDE_DIRS}")
     80 endif()
     81