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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindVulkan
----------
.. versionadded:: 3.7
Find Vulkan, which is a low-overhead, cross-platform 3D graphics
and computing API.
IMPORTED Targets
^^^^^^^^^^^^^^^^
This module defines :prop_tgt:`IMPORTED` targets if Vulkan has been found:
``Vulkan::Vulkan``
The main Vulkan library.
``Vulkan::glslc``
.. versionadded:: 3.19
The GLSLC SPIR-V compiler, if it has been found.
``Vulkan::Headers``
.. versionadded:: 3.21
Provides just Vulkan headers include paths, if found. No library is
included in this target. This can be useful for applications that
load Vulkan library dynamically.
``Vulkan::glslangValidator``
.. versionadded:: 3.21
The glslangValidator tool, if found. It is used to compile GLSL and
HLSL shaders into SPIR-V.
Result Variables
^^^^^^^^^^^^^^^^
This module defines the following variables::
Vulkan_FOUND - "True" if Vulkan was found
Vulkan_INCLUDE_DIRS - include directories for Vulkan
Vulkan_LIBRARIES - link against this library to use Vulkan
The module will also define three cache variables::
Vulkan_INCLUDE_DIR - the Vulkan include directory
Vulkan_LIBRARY - the path to the Vulkan library
Vulkan_GLSLC_EXECUTABLE - the path to the GLSL SPIR-V compiler
Vulkan_GLSLANG_VALIDATOR_EXECUTABLE - the path to the glslangValidator tool
Hints
^^^^^
.. versionadded:: 3.18
The ``VULKAN_SDK`` environment variable optionally specifies the
location of the Vulkan SDK root directory for the given
architecture. It is typically set by sourcing the toplevel
``setup-env.sh`` script of the Vulkan SDK directory into the shell
environment.
#]=======================================================================]
if(WIN32)
find_path(Vulkan_INCLUDE_DIR
NAMES vulkan/vulkan.h
HINTS
"$ENV{VULKAN_SDK}/Include"
)
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
find_library(Vulkan_LIBRARY
NAMES vulkan-1
HINTS
"$ENV{VULKAN_SDK}/Lib"
"$ENV{VULKAN_SDK}/Bin"
)
find_program(Vulkan_GLSLC_EXECUTABLE
NAMES glslc
HINTS
"$ENV{VULKAN_SDK}/Bin"
)
find_program(Vulkan_GLSLANG_VALIDATOR_EXECUTABLE
NAMES glslangValidator
HINTS
"$ENV{VULKAN_SDK}/Bin"
)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
find_library(Vulkan_LIBRARY
NAMES vulkan-1
HINTS
"$ENV{VULKAN_SDK}/Lib32"
"$ENV{VULKAN_SDK}/Bin32"
)
find_program(Vulkan_GLSLC_EXECUTABLE
NAMES glslc
HINTS
"$ENV{VULKAN_SDK}/Bin32"
)
find_program(Vulkan_GLSLANG_VALIDATOR_EXECUTABLE
NAMES glslangValidator
HINTS
"$ENV{VULKAN_SDK}/Bin32"
)
endif()
else()
find_path(Vulkan_INCLUDE_DIR
NAMES vulkan/vulkan.h
HINTS "$ENV{VULKAN_SDK}/include")
find_library(Vulkan_LIBRARY
NAMES vulkan
HINTS "$ENV{VULKAN_SDK}/lib")
find_program(Vulkan_GLSLC_EXECUTABLE
NAMES glslc
HINTS "$ENV{VULKAN_SDK}/bin")
find_program(Vulkan_GLSLANG_VALIDATOR_EXECUTABLE
NAMES glslangValidator
HINTS "$ENV{VULKAN_SDK}/bin")
endif()
set(Vulkan_LIBRARIES ${Vulkan_LIBRARY})
set(Vulkan_INCLUDE_DIRS ${Vulkan_INCLUDE_DIR})
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(Vulkan
DEFAULT_MSG
Vulkan_LIBRARY Vulkan_INCLUDE_DIR)
mark_as_advanced(Vulkan_INCLUDE_DIR Vulkan_LIBRARY Vulkan_GLSLC_EXECUTABLE
Vulkan_GLSLANG_VALIDATOR_EXECUTABLE)
if(Vulkan_FOUND AND NOT TARGET Vulkan::Vulkan)
add_library(Vulkan::Vulkan UNKNOWN IMPORTED)
set_target_properties(Vulkan::Vulkan PROPERTIES
IMPORTED_LOCATION "${Vulkan_LIBRARIES}"
INTERFACE_INCLUDE_DIRECTORIES "${Vulkan_INCLUDE_DIRS}")
endif()
if(Vulkan_FOUND AND NOT TARGET Vulkan::Headers)
add_library(Vulkan::Headers INTERFACE IMPORTED)
set_target_properties(Vulkan::Headers PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${Vulkan_INCLUDE_DIRS}")
endif()
if(Vulkan_FOUND AND Vulkan_GLSLC_EXECUTABLE AND NOT TARGET Vulkan::glslc)
add_executable(Vulkan::glslc IMPORTED)
set_property(TARGET Vulkan::glslc PROPERTY IMPORTED_LOCATION "${Vulkan_GLSLC_EXECUTABLE}")
endif()
if(Vulkan_FOUND AND Vulkan_GLSLANG_VALIDATOR_EXECUTABLE AND NOT TARGET Vulkan::glslangValidator)
add_executable(Vulkan::glslangValidator IMPORTED)
set_property(TARGET Vulkan::glslangValidator PROPERTY IMPORTED_LOCATION "${Vulkan_GLSLANG_VALIDATOR_EXECUTABLE}")
endif()
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