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FindVulkan: Fix finding versions < 1.2.175

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This commit is contained in:
Ralf Habacker
2021-11-10 15:55:42 +01:00
parent 19b51730b7
commit db8bd5965f
1 changed files with 9 additions and 4 deletions
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Modules/FindVulkan.cmake
+9 -4
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@@ -143,10 +143,15 @@ if(Vulkan_INCLUDE_DIR)
if(EXISTS ${VULKAN_CORE_H})
file(STRINGS ${VULKAN_CORE_H} VulkanHeaderVersionLine REGEX "^#define VK_HEADER_VERSION ")
string(REGEX MATCHALL "[0-9]+" VulkanHeaderVersion "${VulkanHeaderVersionLine}")
file(STRINGS ${VULKAN_CORE_H} VulkanHeaderVersionLine REGEX "^#define VK_HEADER_VERSION_COMPLETE ")
# "#define VK_HEADER_VERSION_COMPLETE VK_MAKE_API_VERSION(0, 1, 2, VK_HEADER_VERSION)"
string(REGEX REPLACE ".*\\([0_9]+[, ]+([0-9]+)[, ]+([0-9]+)[, ].*\\)"
"\\1.\\2.${VulkanHeaderVersion}" Vulkan_VERSION "${VulkanHeaderVersionLine}")
file(STRINGS ${VULKAN_CORE_H} VulkanHeaderVersionLine2 REGEX "^#define VK_HEADER_VERSION_COMPLETE ")
string(REGEX MATCHALL "[0-9]+" VulkanHeaderVersion2 "${VulkanHeaderVersionLine2}")
list(LENGTH VulkanHeaderVersion2 _len)
# versions >= 1.2.175 have an additional numbers in front of e.g. '0, 1, 2' instead of '1, 2'
if(_len EQUAL 3)
list(REMOVE_AT VulkanHeaderVersion2 0)
endif()
list(APPEND VulkanHeaderVersion2 ${VulkanHeaderVersion})
list(JOIN VulkanHeaderVersion2 "." Vulkan_VERSION)
endif()
endif()