external: Refactor out sdl functions from main cimguo.cpp

src/external/imgui/cimgui.cpp

@@ -4515,34 +4515,6 @@ CIMGUI_API void ImVector_ImWchar_UnInit(ImVector_ImWchar* p)
 
 
 /////////////////////////extra Monado functions
-#include "imgui_impl_sdl.h"
-CIMGUI_API bool igImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_context)
-{
-	return ImGui_ImplSDL2_InitForOpenGL(window, sdl_gl_context);
-}
-#if 0
-CIMGUI_API bool igImGui_ImplSDL2_InitForVulkan(SDL_Window* window)
-{
-	return ImGui_ImplSDL2_InitForVulkan(window);
-}
-CIMGUI_API bool igImGui_ImplSDL2_InitForD3D(SDL_Window* window)
-{
-	return ImGui_ImplSDL2_InitForD3D(window);
-}
-#endif
-CIMGUI_API void igImGui_ImplSDL2_Shutdown()
-{
-	ImGui_ImplSDL2_Shutdown();
-}
-CIMGUI_API void igImGui_ImplSDL2_NewFrame(SDL_Window* window)
-{
-	ImGui_ImplSDL2_NewFrame(window);
-}
-CIMGUI_API bool igImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
-{
-	return ImGui_ImplSDL2_ProcessEvent(event);
-}
-
 #include "imgui_impl_opengl3.h"
 CIMGUI_API bool igImGui_ImplOpenGL3_Init(const char* glsl_version)
 {

src/external/imgui/cimgui_sdl.cpp

@@ -0,0 +1,34 @@
+#include "./imgui/imgui.h"
+#include "cimgui.h"
+
+#include "./imgui/imgui_internal.h"
+
+#include "imgui_impl_sdl.h"
+
+
+CIMGUI_API bool igImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_context)
+{
+	return ImGui_ImplSDL2_InitForOpenGL(window, sdl_gl_context);
+}
+#if 0
+CIMGUI_API bool igImGui_ImplSDL2_InitForVulkan(SDL_Window* window)
+{
+	return ImGui_ImplSDL2_InitForVulkan(window);
+}
+CIMGUI_API bool igImGui_ImplSDL2_InitForD3D(SDL_Window* window)
+{
+	return ImGui_ImplSDL2_InitForD3D(window);
+}
+#endif
+CIMGUI_API void igImGui_ImplSDL2_Shutdown()
+{
+	ImGui_ImplSDL2_Shutdown();
+}
+CIMGUI_API void igImGui_ImplSDL2_NewFrame(SDL_Window* window)
+{
+	ImGui_ImplSDL2_NewFrame(window);
+}
+CIMGUI_API bool igImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
+{
+	return ImGui_ImplSDL2_ProcessEvent(event);
+}

src/xrt/targets/gui/CMakeLists.txt

@@ -19,6 +19,7 @@ set(SOURCE_FILES
 	gui_sdl2_imgui.c
 	gui_sdl2_main.c
 	gui_sdl2_prober.c
+	../../../external/imgui/cimgui_sdl.cpp
 	../../../external/imgui/imgui_impl_sdl.cpp
 	../../../external/imgui/imgui_impl_sdl.h
 	)

src/xrt/targets/gui/meson.build

@@ -20,6 +20,7 @@ gui = executable(
 		'gui_sdl2_imgui.c',
 		'gui_sdl2_main.c',
 		'gui_sdl2_prober.c',
+		'../../../external/imgui/cimgui_sdl.cpp',
 		'../../../external/imgui/imgui_impl_sdl.cpp',
 		'../../../external/imgui/imgui_impl_sdl.h',
 	),

src/xrt/targets/openxr/CMakeLists.txt

@@ -76,6 +76,7 @@ if(BUILD_WITH_SDL2)
 		)
 
 	target_sources(${RUNTIME_TARGET} PRIVATE
+		../../../external/imgui/cimgui_sdl.cpp
 		../../../external/imgui/imgui_impl_sdl.cpp
 		../../../external/imgui/imgui_impl_sdl.h
 		)

src/xrt/targets/openxr/meson.build

@@ -25,6 +25,7 @@ if sdl2.found()
 	hack_deps += sdl2
 	hack_src += [
 		'oxr_sdl2_hack.c',
+		'../../../external/imgui/cimgui_sdl.cpp',
 		'../../../external/imgui/imgui_impl_sdl.cpp',
 		'../../../external/imgui/imgui_impl_sdl.h',
 	]