first commit

Author: oldGanon

.gitignore

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+/build/*
+*.pdb
+
+unity_project/build/*
+unity_project/Library/*
+unity_project/Temp/*
+unity_project/UWP/*
+unity_project/Logs/*
+unity_project/obj/*
+unity_project/UserSettings/*
+unity_project/*.vs
+unity_project/.vsconfig
+unity_project/*.csproj
+unity_project/*.sln

CMakeLists.txt

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+# Copyright 2023 Visual Computing Group, Ulm University
+# Author: Jan Eric Haßler
+
+cmake_minimum_required(VERSION 3.26)
+set(CMAKE_C_STANDARD 17)
+set(CMAKE_C_STANDARD_REQUIRED True)
+project(shared_texture)
+
+# LIBRARY
+add_library(shared_texture
+    SHARED
+        src/share.c
+        src/share.h
+        src/unity.c
+        src/unity.h
+        src/vk_funcs.h
+        src/vk_utils.h
+)
+set_property(TARGET shared_texture PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
+
+set_source_files_properties(
+    src/share.h
+    src/unity.c
+    src/unity.h
+    src/vk_funcs.h
+    src/vk_utils.h
+    PROPERTIES HEADER_FILE_ONLY TRUE
+)
+target_include_directories(shared_texture PRIVATE include)
+target_link_libraries(shared_texture opengl32.lib)
+
+# DEMO
+option(COMPILE_DEMO "compile the demo application." ON)
+if(COMPILE_DEMO)
+    add_executable(shared_texture_demo
+        demo/main.c
+        demo/gl_funcs.h
+        demo/opengl.c
+        demo/vulkan.c
+        demo/sdl.c
+        src/share.h
+        src/vk_funcs.h
+        src/vk_utils.h
+    )
+    set_property(TARGET shared_texture_demo PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+
+    set_source_files_properties(
+        src/share.h
+        src/vk_funcs.h
+        src/vk_utils.h
+        src/gl_funcs.h
+        demo/opengl.c
+        demo/vulkan.c
+        demo/sdl.c
+        PROPERTIES HEADER_FILE_ONLY TRUE
+    )
+    target_include_directories(shared_texture_demo PRIVATE include)
+    target_include_directories(shared_texture_demo PRIVATE src)
+    target_link_libraries(shared_texture_demo opengl32.lib)
+    target_link_libraries(shared_texture_demo shared_texture)
+
+    include(external/SDL2/cmake/sdl2-config.cmake)
+    add_custom_command(TARGET shared_texture_demo POST_BUILD 
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
+        "${SDL2_LIBDIR}/SDL2.dll"
+        $<TARGET_FILE_DIR:shared_texture_demo>)
+    target_include_directories(shared_texture_demo PRIVATE ${SDL2_INCLUDE_DIRS})
+    target_link_directories(shared_texture_demo PRIVATE ${SDL2_LIBDIR})
+    target_link_libraries(shared_texture_demo Shell32.lib ${SDL2_LIBRARIES})
+endif()

README.md

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+# Share a texture between OpenGL and Vulkan