OpenXR build and distribution (windows)

CI/before_script.msvc.sh

@@ -76,6 +76,8 @@ INSTALL_PREFIX="."
 BULLET_DOUBLE=""
 BULLET_DBL=""
 BULLET_DBL_DISPLAY="Single precision"
+SKIP_VR=""
+OPENXR_INSTALL_ROOT=""
 
 ACTIVATE_MSVC=""
 SINGLE_CONFIG=""
@@ -95,6 +97,9 @@ while [ $# -gt 0 ]; do
 		case $ARG in
 			V )
 				VERBOSE=true ;;
+                
+            nVR )
+                SKIP_VR=true ;;
 
 			d )
 				SKIP_DOWNLOAD=true ;;
@@ -511,6 +516,16 @@ if [ -z $SKIP_DOWNLOAD ]; then
 			git clone -b release-1.10.0 https://github.com/google/googletest.git
 		fi
 	fi
+    
+    # OpenXR
+    if [ -z $SKIP_VR]; then
+		echo "OpenXR SDK 1.0.9..."
+		if [ -d OpenXR-SDK ]; then
+			printf "OpenXR SDK exists, skipping."
+		else
+			git clone -b release-1.0.9 https://github.com/KhronosGroup/OpenXR-SDK.git
+		fi
+    fi
 fi
 
 cd .. #/..
@@ -818,6 +833,13 @@ printf "SDL 2.0.12... "
 }
 cd $DEPS
 echo
+
+if [ $CONFIGURATION == "Debug" ]; then
+        DEBUG_SUFFIX="d"
+    else
+        DEBUG_SUFFIX=""
+fi
+
 # Google Test and Google Mock
 if [ ! -z $TEST_FRAMEWORK ]; then
 	printf "Google test 1.10.0 ..."
@@ -830,11 +852,6 @@ if [ ! -z $TEST_FRAMEWORK ]; then
 	cd build
 
 	GOOGLE_INSTALL_ROOT="${DEPS_INSTALL}/GoogleTest"
-	if [ $CONFIGURATION == "Debug" ]; then
-			DEBUG_SUFFIX="d"
-		else
-			DEBUG_SUFFIX=""
-	fi
 
 	if [ ! -d $GOOGLE_INSTALL_ROOT ]; then
 
@@ -862,6 +879,31 @@ if [ ! -z $TEST_FRAMEWORK ]; then
 
 fi
 
+# OpenXR SDK
+if [ -Z $SKIP_VR ]; then
+	printf "OpenXR SDK 1.0.9 ..."
+    
+    cd OpenXR-SDK
+    if [ ! -d build ]; then
+        mkdir -p build
+    fi
+    
+    cd build
+    OPENXR_INSTALL_ROOT="${DEPS_INSTALL}/OpenXR-SDK"
+	if [ ! -d $OPENXR_INSTALL_ROOT ]; then
+
+		cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="${OPENXR_INSTALL_ROOT}" -G "${GENERATOR}" -DDYNAMIC_LOADER=ON
+		cmake --build . --config Release
+		cmake --build . --target install --config Release
+	fi
+    
+    add_runtime_dlls "${OPENXR_INSTALL_ROOT}\bin\openxr_loader.dll"
+        
+	add_cmake_opts -DBUILD_VR_OPENXR=on
+    add_cmake_opts -DOPENXR_ROOT="${OPENXR_INSTALL_ROOT}"
+    add_cmake_opts -DOPENXR_LIBRARY="${OPENXR_INSTALL_ROOT}/lib/openxr_loader.lib"
+fi
+
 echo
 cd $DEPS_INSTALL/..
 echo

CMakeLists.txt

@@ -9,7 +9,7 @@ option(BUILD_BSATOOL            "Build BSA extractor" ON)
 option(BUILD_ESMTOOL            "Build ESM inspector" ON)
 option(BUILD_NIFTEST            "Build nif file tester" ON)
 option(BUILD_DOCS               "Build documentation." OFF )
-option(BUILD_VR_OPENXR          "Build VR support using OpenXR" on)
+option(BUILD_VR_OPENXR          "Build VR support using OpenXR" OFF)
 option(BUILD_WITH_CODE_COVERAGE "Enable code coverage with gconv" OFF)
 option(BUILD_UNITTESTS          "Enable Unittests with Google C++ Unittest" OFF)
 option(BULLET_USE_DOUBLES       "Use double precision for Bullet" OFF)
@@ -316,9 +316,8 @@ include_directories("."
 )
 
 if(BUILD_VR_OPENXR)
-  find_package(OpenXR REQUIRED)
-  message(STATUS "OpenXR_FOUND: ${OpenXR_FOUND}")
-  include_directories(${OpenXR_INCLUDE_DIR})
+  include_directories(${OPENXR_ROOT}/include)
+  link_directories(${OPENXR_ROOT}/lib)
 endif(BUILD_VR_OPENXR)
 
 link_directories(${SDL2_LIBRARY_DIRS} ${Boost_LIBRARY_DIRS})

LICENSE

@@ -672,3 +672,12 @@ may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
 <https://www.gnu.org/philosophy/why-not-lgpl.html>.
+
+-----------------------------------------------------------------------------
+-----------------------------------------------------------------------------
+On Windows releases, this project bundles the openxr loader binary, which is 
+licensed under the apache 2.0 license. For license details, see: 
+https://github.com/KhronosGroup/OpenXR-SDK/blob/master/LICENSE
+
+Bundled as:
+ - openxr_loader.dll

apps/openmw/CMakeLists.txt

@@ -115,6 +115,29 @@ else ()
     )
 endif ()
 
+set(OPENMW_LINK_TARGETS 
+    ${OSG_LIBRARIES}
+    ${OPENTHREADS_LIBRARIES}
+    ${OSGPARTICLE_LIBRARIES}
+    ${OSGUTIL_LIBRARIES}
+    ${OSGDB_LIBRARIES}
+    ${OSGVIEWER_LIBRARIES}
+    ${OSGGA_LIBRARIES}
+    ${OSGSHADOW_LIBRARIES}
+    ${Boost_SYSTEM_LIBRARY}
+    ${Boost_THREAD_LIBRARY}
+    ${Boost_FILESYSTEM_LIBRARY}
+    ${Boost_PROGRAM_OPTIONS_LIBRARY}
+    ${OPENAL_LIBRARY}
+    ${FFmpeg_LIBRARIES}
+    ${MyGUI_LIBRARIES}
+    ${SDL2_LIBRARY}
+    ${RecastNavigation_LIBRARIES}
+    "osg-ffmpeg-videoplayer"
+    "oics"
+    components
+)
+
 if(BUILD_VR_OPENXR)
 # TODO: Move this into something akin to add_openmw_dir instead of breaking pattern.
 # Later, openmw and openmw_vr should preferrably share game code as a static or shared library
@@ -167,6 +190,7 @@ if(BUILD_VR_OPENXR)
 
     # Preprocessor variable used to control code paths to vr code
     target_compile_options(openmw_vr PUBLIC -DUSE_OPENXR -DXR_USE_GRAPHICS_API_OPENGL -DXR_USE_PLATFORM_WIN32)
+    target_link_libraries(openmw_vr ${OPENMW_LINK_TARGETS} ${OPENXR_LIBRARY})
 endif()
 
 # Sound stuff - here so CMake doesn't stupidly recompile EVERYTHING
@@ -175,31 +199,7 @@ include_directories(
     ${FFmpeg_INCLUDE_DIRS}
 )
 
-set(OPENMW_LINK_TARGETS 
-    ${OSG_LIBRARIES}
-    ${OPENTHREADS_LIBRARIES}
-    ${OSGPARTICLE_LIBRARIES}
-    ${OSGUTIL_LIBRARIES}
-    ${OSGDB_LIBRARIES}
-    ${OSGVIEWER_LIBRARIES}
-    ${OSGGA_LIBRARIES}
-    ${OSGSHADOW_LIBRARIES}
-    ${Boost_SYSTEM_LIBRARY}
-    ${Boost_THREAD_LIBRARY}
-    ${Boost_FILESYSTEM_LIBRARY}
-    ${Boost_PROGRAM_OPTIONS_LIBRARY}
-    ${OPENAL_LIBRARY}
-    ${FFmpeg_LIBRARIES}
-    ${MyGUI_LIBRARIES}
-    ${SDL2_LIBRARY}
-    ${RecastNavigation_LIBRARIES}
-    "osg-ffmpeg-videoplayer"
-    "oics"
-    components
-)
-
 target_link_libraries(openmw ${OPENMW_LINK_TARGETS})
-target_link_libraries(openmw_vr ${OPENMW_LINK_TARGETS} ${OpenXR_LIBRARIES})
 
 if (ANDROID)
     set (OSG_PLUGINS
@@ -228,18 +228,24 @@ endif (ANDROID)
 
 if (USE_SYSTEM_TINYXML)
     target_link_libraries(openmw ${TinyXML_LIBRARIES})
-    target_link_libraries(openmw_vr  ${TinyXML_LIBRARIES})
+    if(BUILD_VR_OPENXR)
+        target_link_libraries(openmw_vr  ${TinyXML_LIBRARIES})
+    endif()
 endif()
 
 if (NOT UNIX)
-target_link_libraries(openmw ${SDL2MAIN_LIBRARY})
-target_link_libraries(openmw_vr ${SDL2MAIN_LIBRARY})
+    target_link_libraries(openmw ${SDL2MAIN_LIBRARY})
+    if(BUILD_VR_OPENXR)
+        target_link_libraries(openmw_vr ${SDL2MAIN_LIBRARY})
+    endif()
 endif()
 
 # Fix for not visible pthreads functions for linker with glibc 2.15
 if (UNIX AND NOT APPLE)
-target_link_libraries(openmw ${CMAKE_THREAD_LIBS_INIT})
-target_link_libraries(openmw_vr ${CMAKE_THREAD_LIBS_INIT})
+    target_link_libraries(openmw ${CMAKE_THREAD_LIBS_INIT})
+    if(BUILD_VR_OPENXR)
+        target_link_libraries(openmw_vr ${CMAKE_THREAD_LIBS_INIT})
+    endif()
 endif()
 
 if(APPLE)
@@ -258,27 +264,35 @@ if(APPLE)
         POST_BUILD
         COMMAND cp "${OpenMW_BINARY_DIR}/resources/version" "${BUNDLE_RESOURCES_DIR}/resources")
 
-    add_custom_command(TARGET openmw_vr
-        POST_BUILD
-        COMMAND cp "${OpenMW_BINARY_DIR}/resources/version" "${BUNDLE_RESOURCES_DIR}/resources")
+    if(BUILD_VR_OPENXR)
+        add_custom_command(TARGET openmw_vr
+            POST_BUILD
+            COMMAND cp "${OpenMW_BINARY_DIR}/resources/version" "${BUNDLE_RESOURCES_DIR}/resources")
+        endif()
 
     find_library(COCOA_FRAMEWORK Cocoa)
     find_library(IOKIT_FRAMEWORK IOKit)
     target_link_libraries(openmw ${COCOA_FRAMEWORK} ${IOKIT_FRAMEWORK})
-    target_link_libraries(openmw_vr ${COCOA_FRAMEWORK} ${IOKIT_FRAMEWORK})
+    if(BUILD_VR_OPENXR)
+        target_link_libraries(openmw_vr ${COCOA_FRAMEWORK} ${IOKIT_FRAMEWORK})
+    endif()
 
     if (FFmpeg_FOUND)
         find_library(COREVIDEO_FRAMEWORK CoreVideo)
         find_library(VDA_FRAMEWORK VideoDecodeAcceleration)
         target_link_libraries(openmw z ${COREVIDEO_FRAMEWORK} ${VDA_FRAMEWORK})
-        target_link_libraries(openmw_vr z ${COREVIDEO_FRAMEWORK} ${VDA_FRAMEWORK})
+        if(BUILD_VR_OPENXR)
+            target_link_libraries(openmw_vr z ${COREVIDEO_FRAMEWORK} ${VDA_FRAMEWORK})
+        endif()
     endif()
 endif(APPLE)
 
 if (BUILD_WITH_CODE_COVERAGE)
-  add_definitions (--coverage)
-  target_link_libraries(openmw gcov)
-  target_link_libraries(openmw_vr gcov)
+    add_definitions (--coverage)
+    target_link_libraries(openmw gcov)
+    if(BUILD_VR_OPENXR)
+        target_link_libraries(openmw_vr gcov)
+    endif()
 endif()
 
 if (MSVC)
@@ -290,5 +304,7 @@ endif (MSVC)
 
 if (WIN32)
     INSTALL(TARGETS openmw RUNTIME DESTINATION ".")
-    INSTALL(TARGETS openmw_vr RUNTIME DESTINATION ".")
+    if(BUILD_VR_OPENXR)
+        INSTALL(TARGETS openmw_vr RUNTIME DESTINATION ".")
+    endif()
 endif (WIN32)