Fix backend compiling/loading mechanism

1 files changed, 3 insertions, 63 deletions

diff --git a/3rdparty/imgui/CMakeLists.txt b/3rdparty/imgui/CMakeLists.txt
index 3382d72..7f66b97 100644
--- a/3rdparty/imgui/CMakeLists.txt
+++ b/3rdparty/imgui/CMakeLists.txt
@@ -10,73 +10,13 @@ set(IMGUI_SOURCES
 	imstb_rectpack.h
 	imstb_textedit.h
 	imstb_truetype.h
-
-	# Since we only use GLFW to manage windows, application can't be built without GLFW
-	backend/imgui_impl_glfw.h
-	backend/imgui_impl_glfw.cpp
 )
 
-option(IMGUI_INCLUDE_OPENGL2_BACKEND ON)
-if(IMGUI_INCLUDE_OPENGL2_BACKEND)
-	message("ImGui: - building with OpenGL2 backend")
-	list(APPEND IMGUI_SOURCES
-		backend/imgui_impl_opengl2.h
-		backend/imgui_impl_opengl2.cpp
-	)
-endif()
-
-option(IMGUI_INCLUDE_OPENGL3_BACKEND ON)
-if(IMGUI_INCLUDE_OPENGL3_BACKEND)
-	message("ImGui: - building with OpenGL3 backend")
-	list(APPEND IMGUI_SOURCES
-		backend/imgui_impl_opengl3.h
-		backend/imgui_impl_opengl3.cpp
-	)
-endif()
-
-option(IMGUI_INCLUDE_VULKAN_BACKEND ON)
-if(IMGUI_INCLUDE_VULKAN_BACKEND)
-	message("ImGui: - building with Vulkan backend")
-	list(APPEND IMGUI_SOURCES
-		backend/imgui_impl_vulkan.h
-		backend/imgui_impl_vulkan.cpp
-	)
-endif()
-
-if(WIN32)
-	option(IMGUI_INCLUDE_DX11_BACKEND ON)
-	if(IMGUI_INCLUDE_DX11_BACKEND)
-		message("ImGui: - building with DirectX11 backend")
-		list(APPEND IMGUI_SOURCES
-		backend/imgui_impl_dx11.h
-		backend/imgui_impl_dx11.cpp
-		)
-	endif()
-
-	option(IMGUI_INCLUDE_DX12_BACKEND ON)
-	if(IMGUI_INCLUDE_DX12_BACKEND)
-		message("ImGui: - building with DirectX12 backend")
-		list(APPEND IMGUI_SOURCES
-		backend/imgui_impl_dx12.h
-		backend/imgui_impl_dx12.cpp
-		)
-	endif()
-elseif(APPLE)
-	option(IMGUI_INCLUDE_METAL_BACKEND ON)
-	if(IMGUI_INCLUDE_METAL_BACKEND)
-		message("ImGui: - building with Metal backend")
-		list(APPEND IMGUI_SOURCES
-			backend/imgui_impl_metal.h
-			backend/imgui_impl_metal.mm
-		)
-	endif()
-endif()
+# We don't build the files in backend/ because they are included by various entrypoint implementations
+# depending on build flags. Technically it is possible to write then here too, but doing so would require repeating
+# the build flags twice both in here and in core/CMakeLists.txt
 
 add_library(imgui ${IMGUI_SOURCES})
-target_compile_definitions(imgui
-PRIVATE
-	IMGUI_IMPL_OPENGL_LOADER_GLAD=1
-)
 target_include_directories(imgui
 PRIVATE
 	${CMAKE_SOURCE_DIR}/3rdparty/imgui