[vsg] New port (VulkanSceneGraph) (#31300)

* [vsg] New port (VulkanSceneGraph)

* [vsg] Fix deprecated function usage

* [vsg] Remove redundant linkage specification

* [vsg] Devendor glslang

* [vsg] Remove DISABLE_PARALLEL_CONFIGURE flag

ports/vsg/devendor-glslang.patch

@@ -0,0 +1,68 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 61da709f..472bc6af 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -37,9 +37,11 @@ find_package(Vulkan ${Vulkan_MIN_VERSION} REQUIRED)
+
+ find_package(Threads REQUIRED)
+
++find_package(glslang CONFIG REQUIRED)
++
+ # Enable/disable shader compilation support that pulls in glslang
+ set(VSG_SUPPORTS_ShaderCompiler  1 CACHE STRING "Optional shader compiler support, 0 for off, 1 for enabled." )
+-if (VSG_SUPPORTS_ShaderCompiler)
++if (FALSE)
+     if (NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/src/glslang/build_vars.cmake)
+
+         if (Git_FOUND)
+diff --git a/src/vsg/CMakeLists.txt b/src/vsg/CMakeLists.txt
+index 4154312f..49d63b97 100644
+--- a/src/vsg/CMakeLists.txt
++++ b/src/vsg/CMakeLists.txt
+@@ -226,7 +226,7 @@ set(SOURCES
+     utils/LoadPagedLOD.cpp
+ )
+
+-if (${VSG_SUPPORTS_ShaderCompiler})
++if (FALSE)
+
+     # include glslang source code directly into the VulkanScenegraph library build.
+     include(../glslang/build_vars.cmake)
+@@ -236,6 +236,14 @@ endif()
+ set(LIBRARIES PUBLIC
+         Vulkan::Vulkan
+         Threads::Threads
++        glslang::glslang
++        glslang::OSDependent
++        glslang::MachineIndependent
++        glslang::GenericCodeGen
++        glslang::glslang-default-resource-limits
++        glslang::OGLCompiler
++        glslang::SPVRemapper
++        glslang::SPIRV
+ )
+
+ # Check for std::atomic
+@@ -364,9 +372,6 @@ target_include_directories(vsg
+     PUBLIC
+         $<BUILD_INTERFACE:${VSG_SOURCE_DIR}/include>
+         $<BUILD_INTERFACE:${VSG_BINARY_DIR}/include>
+-    PRIVATE
+-        $<BUILD_INTERFACE:${VSG_SOURCE_DIR}/src/glslang>
+-        $<BUILD_INTERFACE:${GLSLANG_GENERATED_INCLUDEDIR}>
+ )
+
+ target_link_libraries(vsg ${LIBRARIES})
+diff --git a/src/vsg/utils/ShaderCompiler.cpp b/src/vsg/utils/ShaderCompiler.cpp
+index 71a7f09f..803f26a1 100644
+--- a/src/vsg/utils/ShaderCompiler.cpp
++++ b/src/vsg/utils/ShaderCompiler.cpp
+@@ -20,7 +20,7 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
+ #include <vsg/utils/ShaderCompiler.h>
+
+ #if VSG_SUPPORTS_ShaderCompiler
+-#    include <SPIRV/GlslangToSpv.h>
++#    include <glslang/SPIRV/GlslangToSpv.h>
+ #    include <glslang/Public/ResourceLimits.h>
+ #    include <glslang/Public/ShaderLang.h>
+ #endif

ports/vsg/portfile.cmake

@@ -0,0 +1,17 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO vsg-dev/VulkanSceneGraph
+    REF "v${VERSION}"
+    SHA512 da5c9448da6bd2bd6edcb82ed1ac67aded9c3fd957fb7d3c78bb741d8993a5e90b134433237a63bf1a6eb23b30a1e6b4ea2115416f8d32464bd04925d8dbcd34
+    HEAD_REF master
+	PATCHES devendor-glslang.patch
+)
+
+vcpkg_cmake_configure(SOURCE_PATH "${SOURCE_PATH}")
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(PACKAGE_NAME "vsg" CONFIG_PATH "lib/cmake/vsg")
+vcpkg_copy_pdbs()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE.md")

ports/vsg/vcpkg.json

@@ -0,0 +1,19 @@
+{
+  "name": "vsg",
+  "version": "1.0.5",
+  "description": "A modern, cross platform, high performance scene graph library built upon Vulkan.",
+  "homepage": "http://www.vulkanscenegraph.org/",
+  "license": "MIT",
+  "dependencies": [
+    "glslang",
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    },
+    "vulkan"
+  ]
+}

versions/baseline.json

@@ -8388,6 +8388,10 @@
       "baseline": "0.5.0",
       "port-version": 2
     },
+    "vsg": {
+      "baseline": "1.0.5",
+      "port-version": 0
+    },
     "vtk": {
       "baseline": "9.2.0-pv5.11.0",
       "port-version": 6

versions/v-/vsg.json

@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "0542d7bb873d65fa6ecbf2c3a02d7a2c7221d34a",
+      "version": "1.0.5",
+      "port-version": 0
+    }
+  ]
+}