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FindVulkan.cmake
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FindVulkan.cmake
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#######################################################
# Enhanced version of find Vulkan.
#
# Usage:
# find_vulkan(${USE_VULKAN})
#
# - When USE_VULKAN=ON, use auto search
# - When USE_VULKAN=/path/to/vulkan-sdk-path, use the sdk
#
# Provide variables:
#
# - Vulkan_FOUND
# - Vulkan_INCLUDE_DIRS
# - Vulkan_LIBRARY
# - Vulkan_SPIRV_TOOLS_LIBRARY
#
macro(find_vulkan use_vulkan use_khronos_spirv)
set(__use_vulkan ${use_vulkan})
if(IS_DIRECTORY ${__use_vulkan})
set(__vulkan_sdk ${__use_vulkan})
message(STATUS "Custom Vulkan SDK PATH=" ${__use_vulkan})
elseif(IS_DIRECTORY $ENV{VULKAN_SDK})
set(__vulkan_sdk $ENV{VULKAN_SDK})
else()
set(__vulkan_sdk "")
endif()
if(IS_DIRECTORY ${use_khronos_spirv})
set(__use_khronos_spirv ${use_khronos_spirv})
message(STATUS "Custom khronos spirv PATH=" ${__use_khronos_spirv})
else()
set(__use_khronos_spirv "")
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Android")
set(VULKAN_NDK_SRC ${CMAKE_ANDROID_NDK}/sources/third_party/vulkan/src)
set(Vulkan_INCLUDE_DIRS ${VULKAN_NDK_SRC}/include)
set(Vulkan_FOUND TRUE)
message(STATUS "Android Vulkan_INCLUDE_DIRS=" ${Vulkan_INCLUDE_DIRS})
message(STATUS "Skip finding SPIRV in Android, make sure you only build tvm runtime.")
return()
endif()
if(__vulkan_sdk)
set(Vulkan_INCLUDE_DIRS ${__vulkan_sdk}/include)
find_library(Vulkan_LIBRARY NAMES vulkan vulkan-1 PATHS ${__vulkan_sdk}/lib)
if(Vulkan_LIBRARY)
set(Vulkan_FOUND TRUE)
endif()
endif(__vulkan_sdk)
# resort to find vulkan of option is on
if(NOT Vulkan_FOUND)
if(${__use_vulkan} MATCHES ${IS_TRUE_PATTERN})
find_package(Vulkan QUIET)
endif()
endif()
if(Vulkan_FOUND)
get_filename_component(VULKAN_LIBRARY_PATH ${Vulkan_LIBRARY} DIRECTORY)
if (WIN32)
find_library(Vulkan_SPIRV_TOOLS_LIBRARY SPIRV-Tools
HINTS ${__use_khronos_spirv}/spirv-tools/lib ${VULKAN_LIBRARY_PATH} ${VULKAN_LIBRARY_PATH}/spirv-tools ${VULKAN_SDK}/lib)
find_path(_libspirv libspirv.h HINTS ${__use_khronos_spirv}/spirv-tools/include ${Vulkan_INCLUDE_DIRS} PATH_SUFFIXES vulkan spirv-tools)
find_path(_spirv spirv.hpp HINTS ${__use_khronos_spirv}/SPIRV-Headers/include ${Vulkan_INCLUDE_DIRS} PATH_SUFFIXES vulkan SPIRV spirv/unified1 spirv-headers)
else()
find_library(Vulkan_SPIRV_TOOLS_LIBRARY SPIRV-Tools
HINTS ${__use_khronos_spirv}/lib ${VULKAN_LIBRARY_PATH} ${VULKAN_LIBRARY_PATH}/spirv-tools ${VULKAN_SDK}/lib)
find_path(_libspirv libspirv.h HINTS ${__use_khronos_spirv}/include ${Vulkan_INCLUDE_DIRS} PATH_SUFFIXES vulkan spirv-tools)
find_path(_spirv spirv.hpp HINTS ${__use_khronos_spirv}/include ${Vulkan_INCLUDE_DIRS} PATH_SUFFIXES vulkan SPIRV spirv/unified1 spirv-headers)
endif()
find_path(_glsl_std GLSL.std.450.h HINTS ${Vulkan_INCLUDE_DIRS} PATH_SUFFIXES vulkan SPIRV spirv/unified1 spirv-headers)
list(APPEND Vulkan_INCLUDE_DIRS ${_libspirv} ${_spirv} ${_glsl_std})
message(STATUS "Vulkan_INCLUDE_DIRS=" ${Vulkan_INCLUDE_DIRS})
message(STATUS "Vulkan_LIBRARY=" ${Vulkan_LIBRARY})
message(STATUS "Vulkan_SPIRV_TOOLS_LIBRARY=" ${Vulkan_SPIRV_TOOLS_LIBRARY})
endif(Vulkan_FOUND)
endmacro(find_vulkan)