turn into a .a lib

.github/workflows/ci-builds.yml

@@ -22,12 +22,12 @@ jobs:
 
     - name: linux-linux
       run: |
-        ./build.sh -t -r
+        ./build.sh -t -r -e
         mkdir linux-x86_64
-        chmod +x build/Particles
-        cp build/Particles linux-x86_64/Particles-linux-x86_64 
+        cp -r build/Examples linux-x86_64-examples
+        cp build/libjGL.a linux-x86_64/libjGL-linux-x86_64.a
+        cp LICENSE linux-x86_64-examples/
         cp LICENSE linux-x86_64/
-        cp -r resource linux-x86_64/
 
     - name: Tests
       working-directory: ${{github.workspace}}/build
@@ -44,6 +44,13 @@ jobs:
       with:
         name: linux-x86_64
         path: linux-x86_64
+
+    - name: buildArtifact
+      uses: actions/upload-artifact@v3
+      with:
+        name: linux-x86_64-examples
+        path: linux-x86_64-examples
+
 
   linuxXwindows:
     runs-on: ubuntu-22.04
@@ -56,18 +63,24 @@ jobs:
 
     - name: linux-X-windows
       run: |
-        ./build.sh -t -w -r
+        ./build.sh -t -w -r -e
         mkdir windows
-        chmod +x build/Particles.exe
-        cp build/Particles.exe windows/
+        cp -r build/Examples windows-examples
+        cp build/libjGL.a windows/libjGL-windows.a
+        cp LICENSE windows-examples/
         cp LICENSE windows/
-        cp -r resource windows/
     
     - name: buildArtifact
       uses: actions/upload-artifact@v3
       with:
         name: windows
         path: windows
+
+    - name: buildArtifact
+      uses: actions/upload-artifact@v3
+      with:
+        name: windows-examples
+        path: windows-examples
 
   linuxRun:
     needs: linuxXlinux
@@ -80,16 +93,17 @@ jobs:
       - name: get linux build
         uses: actions/download-artifact@v3
         with:
-          name: linux-x86_64
+          name: linux-x86_64-examples
 
       - name: launch and screenshot
         run: |
           ls
-          chmod +x Particles-linux-x86_64
+          cd Particles
+          chmod +x Particles
           export DISPLAY=:99
           sudo Xvfb :99 -screen 0 800x600x24 &
           sleep 5
-          MESA_GL_VERSION_OVERRIDE=3.3 ./Particles-linux-x86_64 &
+          MESA_GL_VERSION_OVERRIDE=3.3 ./Particles &
           export PID=$!
           sleep 10
           xwd -root -silent | convert xwd:- png:screenshot.png
@@ -125,8 +139,8 @@ jobs:
           name: "release-${{ github.ref_name }}"
           tag_name: ${{ github.ref }}
           files: |
-            Particles-linux-x86_64
-            Particles.exe
+            libjGL-linux-x86_64.a
+            libjGL-windows.a
       # - name: create release
       #   id: createRelease
       #   uses: actions/create-release@v1

CMakeLists.txt

@@ -58,29 +58,17 @@ include_directories(include include/vendored ${OPENGL_INCLUDE_DIRS} ${GLEW_INCLU
 
 include_directories(src)
 
-file(GLOB SRC 
-    "src/*.cpp"
-    "src/Display/*.cpp"
-    "src/Util/*.cpp"
-)
-
 file(GLOB_RECURSE jGL_SRC
     "src/jGL/*.cpp"
+    "src/*.cpp"
+    "src/Util/*.cpp"
 )
 
 if (WINDOWS)
     add_compile_definitions(WINDOWS)
-
     set(CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++ -static")
-
-    if (RELEASE)
-        # launch as windows, not console app - so cmd does not open as well
-        add_link_options(-mwindows)
-    endif ()
     link_directories(include/vendored/VulkanSDK/Windows/Lib)
 else()
-    # so nautilus etc recognise target as executable rather than .so
-    add_link_options(-no-pie)
     link_directories(include/vendored/VulkanSDK/Linux/Lib)
 endif()
 
@@ -91,15 +79,19 @@ if (VALIDATION)
     endif()
 endif()
 
+add_library(jGL STATIC ${jGL_SRC})
 
+target_compile_definitions(jGL PUBLIC GLSL_VERSION="330")
+target_link_libraries(jGL glew freetype glm ${GLEW_LIBRARIES} ${OPENGL_LIBRARIES} ${Vulkan_LIBRARIES} glfw shaderc_combined)
 
-add_executable(Particles ${SRC} ${jGL_SRC})
-
-target_compile_definitions(Particles PUBLIC GLSL_VERSION="330")
-target_link_libraries(Particles glew freetype glm ${GLEW_LIBRARIES} ${OPENGL_LIBRARIES} ${Vulkan_LIBRARIES} glfw shaderc_combined)
+If (EXAMPLES)
+    add_subdirectory(examples)
+endif()
 
 IF (TEST_SUITE)
 
+    file(COPY "tests/resource" DESTINATION "${CMAKE_BINARY_DIR}/")
+
     IF (WINDOWS)
         ## ask nicely for big objs (gnu assembler flag)
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wa,-mbig-obj")

build.sh

@@ -23,22 +23,27 @@ VALIDATION=0
 VERBOSE=0
 VK_SDK="include/vendored/VulkanSDK"
 BENCHMARK=0
+EXAMPLES=0
 
 while [[ $# -gt 0 ]]; do
   case $1 in
     -w|--windows)
       WINDOWS=0
       shift # past argument
       ;;
+    -e|--examples)
+      EXAMPLES=1
+      shift
+      ;;
     -v|--validation)
       VALIDATION=1
       shift
       ;;
     -vv|--verbose-validation)
-    VALIDATION=1
-    VERBOSE=1
-    shift
-    ;;
+      VALIDATION=1
+      VERBOSE=1
+      shift
+      ;;
     --vk)
       VK_SDK=$2
       shift
@@ -89,7 +94,7 @@ then
   export VULKAN_SDK=$VK_SDK/Windows
   export VULKAN_LIBRARY="$VK_SDK/Windows/Lib"
   export VULKAN_INCLUDE_DIR="$VK_SDK/Windows/Include" 
-  cmake -E chdir build cmake .. -D WINDOWS=ON -D VERBOSE=$VERBOSE -D VALIDATION=$VALIDATION -D RELEASE=$RELEASE -D TEST_SUITE=$TEST -D CMAKE_TOOLCHAIN_FILE=./windows.cmake && make -j 4 -C build
+  cmake -E chdir build cmake .. -D WINDOWS=ON -D VERBOSE=$VERBOSE -D EXAMPLES=$EXAMPLES -D VALIDATION=$VALIDATION -D RELEASE=$RELEASE -D TEST_SUITE=$TEST -D CMAKE_TOOLCHAIN_FILE=./windows.cmake && make -j 4 -C build
   # now copy dlls
   PREFIX="x86_64-w64-mingw32"
 
@@ -120,10 +125,8 @@ then
 elif [[ $OSX -eq 0 ]];
 then
   cmake -E make_directory build
-  cmake -E chdir build cmake .. -D OSX=ON -D RELEASE=$RELEASE -D TEST_SUITE=$TEST -D CMAKE_TOOLCHAIN_FILE=./osx.cmake && make -j 4 -C build
+  cmake -E chdir build cmake .. -D OSX=ON -D RELEASE=$RELEASE -D TEST_SUITE=$TEST -D EXAMPLES=$EXAMPLES -D CMAKE_TOOLCHAIN_FILE=./osx.cmake && make -j 4 -C build
 else
   cmake -E make_directory build
-  cmake -E chdir build cmake -D BENCHMARK=$BENCHMARK -D VERBOSE=$VERBOSE -D VALIDATION=$VALIDATION -D RELEASE=$RELEASE -D TEST_SUITE=$TEST .. && make -j 4 -C build
+  cmake -E chdir build cmake -D BENCHMARK=$BENCHMARK -D VERBOSE=$VERBOSE -D VALIDATION=$VALIDATION -D RELEASE=$RELEASE -D TEST_SUITE=$TEST -D EXAMPLES=$EXAMPLES .. && make -j 4 -C build
 fi
-
-cp -r resource build

examples/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(Particles)

examples/Particles/CMakeLists.txt

@@ -0,0 +1,23 @@
+file(GLOB_RECURSE SRC
+    "*.cpp"
+)
+
+if (WINDOWS)
+    if (RELEASE)
+        # launch as windows, not console app - so cmd does not open as well
+        add_link_options(-mwindows)
+    endif ()
+else()
+    # so nautilus etc recognise target as executable rather than .so
+    add_link_options(-no-pie)
+endif()
+
+include_directories(.)
+
+add_executable(Particles ${SRC})
+
+target_link_libraries(Particles jGL)
+
+set_target_properties(Particles PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/Examples/Particles")
+
+file(COPY resource DESTINATION "${CMAKE_BINARY_DIR}/Examples/Particles/")