Factor CMakeLists backend ProcTable generation

src/backend/CMakeLists.txt

@@ -19,23 +19,28 @@ set(NULL_DIR ${CMAKE_CURRENT_SOURCE_DIR}/null)
 set(OPENGL_DIR ${CMAKE_CURRENT_SOURCE_DIR}/opengl)
 set(VULKAN_DIR ${CMAKE_CURRENT_SOURCE_DIR}/vulkan)
 
+function(GenerateProcTable backend)
+    Generate(
+        LIB_NAME ${backend}_autogen
+        LIB_TYPE STATIC
+        FOLDER "backend"
+        PRINT_NAME "${backend} backend autogenerated files"
+        COMMAND_LINE_ARGS
+            ${GENERATOR_COMMON_ARGS}
+            -T ${backend}
+    )
+    target_link_libraries(${backend}_autogen nxtcpp)
+    target_include_directories(${backend}_autogen PRIVATE ${SRC_DIR})
+    target_include_directories(${backend}_autogen PUBLIC ${GENERATED_DIR})
+endfunction()
+
 ################################################################################
 # OpenGL Backend
 ################################################################################
 
 if (NXT_ENABLE_OPENGL)
-    Generate(
+    GenerateProcTable(opengl)
-        LIB_NAME opengl_autogen
+    target_link_libraries(opengl_autogen glfw glad)
-        LIB_TYPE STATIC
-        FOLDER "backend"
-        PRINT_NAME "OpenGL backend autogenerated files"
-        COMMAND_LINE_ARGS
-            ${GENERATOR_COMMON_ARGS}
-            -T opengl
-    )
-    target_link_libraries(opengl_autogen glfw glad nxtcpp)
-    target_include_directories(opengl_autogen PRIVATE ${SRC_DIR})
-    target_include_directories(opengl_autogen PUBLIC ${GENERATED_DIR})
 
     list(APPEND BACKEND_SOURCES
         ${OPENGL_DIR}/BlendStateGL.cpp
@@ -76,18 +81,7 @@ endif()
 ################################################################################
 
 if (NXT_ENABLE_NULL)
-    Generate(
+    GenerateProcTable(null)
-        LIB_NAME null_autogen
-        LIB_TYPE STATIC
-        FOLDER "backend"
-        PRINT_NAME "Null backend autogenerated files"
-        COMMAND_LINE_ARGS
-            ${GENERATOR_COMMON_ARGS}
-            -T null
-    )
-    target_link_libraries(null_autogen nxtcpp)
-    target_include_directories(null_autogen PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
-    target_include_directories(null_autogen PUBLIC ${SRC_DIR})
 
     list(APPEND BACKEND_SOURCES
         ${NULL_DIR}/NullBackend.cpp
@@ -100,18 +94,8 @@ endif()
 ################################################################################
 
 if (NXT_ENABLE_METAL)
-    Generate(
+    GenerateProcTable(metal)
-        LIB_NAME metal_autogen
+    target_link_libraries(metal_autogen "-framework QuartzCore" "-framework Metal")
-        LIB_TYPE STATIC
-        FOLDER "backend"
-        PRINT_NAME "Metal backend autogenerated files"
-        COMMAND_LINE_ARGS
-            ${GENERATOR_COMMON_ARGS}
-            -T metal
-    )
-    target_link_libraries(metal_autogen glfw glad nxtcpp "-framework QuartzCore" "-framework Metal")
-    target_include_directories(metal_autogen PRIVATE ${SRC_DIR})
-    target_include_directories(metal_autogen PUBLIC ${GENERATED_DIR})
 
     list(APPEND BACKEND_SOURCES
         ${METAL_DIR}/BlendStateMTL.mm
@@ -150,15 +134,8 @@ endif()
 ################################################################################
 
 if (NXT_ENABLE_D3D12)
-    Generate(
+    GenerateProcTable(d3d12)
-        LIB_NAME d3d12_autogen
+
-        LIB_TYPE STATIC
-        FOLDER "backend"
-        PRINT_NAME "D3D12 backend autogenerated files"
-        COMMAND_LINE_ARGS
-            ${GENERATOR_COMMON_ARGS}
-            -T d3d12
-    )
     # WIN10_SDK_PATH will be something like C:\Program Files (x86)\Windows Kits\10
     get_filename_component(WIN10_SDK_PATH "[HKEY_LOCAL_MACHINE\\SOFTWARE\\WOW6432Node\\Microsoft\\Microsoft SDKs\\Windows\\v10.0;InstallationFolder]" ABSOLUTE CACHE)
 
@@ -214,10 +191,8 @@ if (NXT_ENABLE_D3D12)
         list(APPEND D3D12_LIBRARIES ${DXGUID_LIBRARY})
     endif()
 
-    target_link_libraries(d3d12_autogen glfw nxtcpp ${D3D12_LIBRARIES})
+    target_link_libraries(d3d12_autogen ${D3D12_LIBRARIES})
     target_include_directories(d3d12_autogen SYSTEM PRIVATE ${D3D12_INCLUDE_DIR} ${DXGI_INCLUDE_DIR})
-    target_include_directories(d3d12_autogen PRIVATE ${SRC_DIR})
-    target_include_directories(d3d12_autogen PUBLIC ${GENERATED_DIR})
 
     list(APPEND BACKEND_SOURCES
         ${D3D12_DIR}/d3d12_platform.h
@@ -275,19 +250,8 @@ endif()
 ################################################################################
 
 if (NXT_ENABLE_VULKAN)
-    Generate(
+    GenerateProcTable(vulkan)
-        LIB_NAME vulkan_autogen
-        LIB_TYPE STATIC
-        FOLDER "backend"
-        PRINT_NAME "Vulkan backend autogenerated files"
-        COMMAND_LINE_ARGS
-            ${GENERATOR_COMMON_ARGS}
-            -T vulkan
-    )
-    target_link_libraries(vulkan_autogen nxtcpp)
-    target_include_directories(vulkan_autogen PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
     target_include_directories(vulkan_autogen PUBLIC ${VULKAN_HEADERS_INCLUDE_DIR})
-    target_include_directories(vulkan_autogen PUBLIC ${SRC_DIR})
 
     list(APPEND BACKEND_SOURCES
         ${VULKAN_DIR}/BindGroupVk.cpp