GenerateCimguiBindings is now a module available for several backend_tests

backend_test/cmake/GenerateCimguiBindings.cmake

@@ -1,8 +1,11 @@
 # This downloads cimgui, configures it to generate the SDL3 and SDLGPU3 bindings, 
 # and adds it as a cmake target for you to link to. Feel free to copy this file
 # into your project, or refit it to your needs.
+
+#include(CMakePrintHelpers)
+
 function(IncludesStr comp includes)
-	#message("includes is ${includes}")
+	#cmake_print_variables(includes)
 	if("${comp}" STREQUAL "cl")
 		set(Ist "/I")
 	else()
@@ -10,18 +13,18 @@ function(IncludesStr comp includes)
 	endif()
 	set(incstr "")
 	foreach(inc ${${includes}})
-		#message("inc is ${inc}")
+		set(incstr ${incstr} ${Ist}${inc})
-		set(incstr ${Ist}${inc} ${incstr})
 	endforeach()
 	set(incstr ${incstr} PARENT_SCOPE)
 endfunction()
 
-include(CMakePrintHelpers)
 
-function(GenerateCimguiBindings target platbk rendbk inclist)
+
+function(GenerateCimguiBindings target platbk rendbk _inclist)
 	include(FetchContent)
-	cmake_print_variables(inclist)
+	#cmake_print_variables(_inclist)
-	cmake_print_variables(${${inclist}})
+	set(__inclist ${${_inclist}})
+	#cmake_print_variables(__inclist)
 	# NOTE: In your own project, you may want to pin this project to a particular commit
 	FetchContent_Declare(
 		cimgui
@@ -41,16 +44,15 @@ function(GenerateCimguiBindings target platbk rendbk inclist)
 	# since this will be executed on each "configure" (whenever you run cmake)
 	string(TOUPPER ${platbk} PLATBK)
 	string(TOUPPER ${rendbk} RENDBK)
-	string(FIND "${cimgui_impl}" ${RENDBK} rendbk_position)
+	string(FIND "${cimgui_impl}" CIMGUI_USE_${RENDBK} rendbk_position)
-	string(FIND "${cimgui_impl}" ${PLATBK} platbk_position)
+	string(FIND "${cimgui_impl}" CIMGUI_USE_${PLATBK} platbk_position)
 	# If we don't find it, rendbk_position will be -1
 	if(rendbk_position EQUAL -1 OR platbk_position EQUAL -1)
 		#get compiler name
 		cmake_path(GET CMAKE_C_COMPILER FILENAME C_COMP)
 		cmake_path(REMOVE_EXTENSION C_COMP)
 		#get includes string
-		IncludesStr(${C_COMP} inclist)
+		IncludesStr(${C_COMP} __inclist)
-		#IncludesStr(${C_COMP} ${${inclist}})
 		message(STATUS "incstr is ${incstr}")
 		execute_process(
 		COMMAND luajit generator.lua ${C_COMP} "internal noimstrv" ${platbk} ${rendbk} ${incstr}
@@ -59,6 +61,7 @@ function(GenerateCimguiBindings target platbk rendbk inclist)
 		RESULT_VARIABLE build_command_result
 		)
 		if(NOT ${build_command_result} EQUAL 0)
+			message(STATUS "cimgui generation failed: Do you have LuaJIT?")
 			message(STATUS "cimgui generation failed: ${build_command_result}")
 			message(FATAL_ERROR "error_command: ${error_command}")
 		endif()
@@ -87,5 +90,4 @@ function(GenerateCimguiBindings target platbk rendbk inclist)
 		target_compile_definitions(${target} PUBLIC "-DIMGUI_IMPL_API=extern \"C\" ")
 	endif(WIN32)
 	target_compile_features(${target} PRIVATE cxx_std_11)
-	#target_link_libraries(${target} PRIVATE SDL3::SDL3)
 endfunction()

backend_test/example_glfw_dx11/CMakeLists.txt

@@ -1,109 +1,44 @@
-Project(cimgui_glfwdx11)
 cmake_minimum_required(VERSION 3.11)
-if(WIN32) # to mingw work as all the others
+project(cimgui_glfwdx11 LANGUAGES C CXX)
-	set(CMAKE_SHARED_LIBRARY_PREFIX "")
-endif(WIN32)
 
-#run in build dir
+set(CMAKE_C_STANDARD 11)
-set (CMAKE_INSTALL_PREFIX ${CMAKE_CURRENT_BINARY_DIR})
 
-set (CMAKE_CXX_STANDARD 11)
+include(FetchContent)
-
-# general settings
-if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../../imgui/backends)
-	set(BAKENDS_FOLDER "../../imgui/backends/")
-else()
-	set(BAKENDS_FOLDER "../../imgui/examples/")
-endif()
-
-if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../../imgui/imgui_tables.cpp)
-	set(TABLES_SOURCE "../../imgui/imgui_tables.cpp")
-else()
-	set(TABLES_SOURCE "")
-endif()
-
-include_directories(../../imgui)
-add_definitions("-DIMGUI_USER_CONFIG=\"../cimconfig.h\"")
-add_definitions("-DIMGUI_DISABLE_OBSOLETE_FUNCTIONS=1")
-
-include_directories(../../)
-set(IMGUI_SOURCES 
-../../cimgui.cpp 
-../../imgui/imgui.cpp 
-../../imgui/imgui_draw.cpp 
-../../imgui/imgui_demo.cpp 
-../../imgui/imgui_widgets.cpp
-${TABLES_SOURCE} 
-)
-
-set(IMGUI_LIBRARIES )
-
-if (WIN32)
-    add_definitions("-DIMGUI_IMPL_API=extern \"C\" __declspec\(dllexport\)")
-else(WIN32)
-    add_definitions("-DIMGUI_IMPL_API=extern \"C\" ")
-endif(WIN32)
-
-add_compile_definitions("IMGUI_IMPL_OPENGL_LOADER_GL3W")
-
-# optional adding freetype
-option(IMGUI_FREETYPE "add Freetype2" OFF)
-
-if(IMGUI_FREETYPE)
-	FIND_PACKAGE(freetype REQUIRED PATHS ${FREETYPE_PATH})
-	list(APPEND IMGUI_LIBRARIES freetype)
-	list(APPEND IMGUI_SOURCES ../../imgui/misc/freetype/imgui_freetype.cpp)
-	add_definitions("-DCIMGUI_FREETYPE=1")
-endif(IMGUI_FREETYPE)
-
-# dx11
-list(APPEND IMGUI_SOURCES ${BAKENDS_FOLDER}imgui_impl_dx11.cpp)
-
-if(WIN32)
-       list(APPEND IMGUI_LIBRARIES opengl32)
-else(WIN32) # Unix
-       list(APPEND IMGUI_LIBRARIES GL)
-endif(WIN32)
-
-# GLFW
-list(APPEND IMGUI_SOURCES ${BAKENDS_FOLDER}imgui_impl_glfw.cpp)
 
 set(GLFW_VERSION 3.3.8)
-include(FetchContent)
+FetchContent_Declare(
-	FetchContent_Declare(
     glfw
-    URL https://github.com/glfw/glfw/archive/refs/tags/${GLFW_VERSION}.tar.gz)
+    URL https://github.com/glfw/glfw/archive/refs/tags/${GLFW_VERSION}.tar.gz
+    GIT_PROGRESS true)
 
-FetchContent_GetProperties(glfw)
+set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
-if (NOT glfw_POPULATED)
+set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
-	set(FETCHCONTENT_QUIET NO)
+set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
-    FetchContent_Populate(glfw)
+if (NOT STATIC_BUILD)
-	set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
-	set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
-	set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
-	if (NOT STATIC_BUILD)
 	set(BUILD_SHARED_LIBS ON CACHE BOOL "" FORCE)
-	endif()
-	add_subdirectory(${glfw_SOURCE_DIR} ${glfw_BINARY_DIR} EXCLUDE_FROM_ALL)
 endif()
+#add_subdirectory(${glfw_SOURCE_DIR} ${glfw_BINARY_DIR} EXCLUDE_FROM_ALL)
 
+FetchContent_MakeAvailable(glfw)
 install(TARGETS glfw RUNTIME DESTINATION ${CMAKE_CURRENT_BINARY_DIR}
 					LIBRARY DESTINATION ${CMAKE_CURRENT_BINARY_DIR}
 )
-#FIND_PACKAGE(glfw3 PATHS "C:/LuaGL/gitsources/BUILDS/GLFW/install")
 
-if (NOT STATIC_BUILD)
+include(../cmake/GenerateCimguiBindings.cmake)
-  add_library(cimgui SHARED ${IMGUI_SOURCES})
-else()
-  add_library(cimgui STATIC ${IMGUI_SOURCES})
-endif()
 
-target_link_libraries(cimgui ${IMGUI_LIBRARIES} glfw)
+set(inclulist "")
-
+GenerateCimguiBindings(cimgui_with_backend "glfw" dx11 inclulist)
-
+target_link_libraries(cimgui_with_backend PRIVATE glfw d3dcompiler dwmapi)
-# using library
-add_executable(${PROJECT_NAME} main.c)
-target_compile_definitions(${PROJECT_NAME} PUBLIC -DCIMGUI_USE_DX11 -DCIMGUI_USE_GLFW)
-target_link_libraries(${PROJECT_NAME} d3d11 d3dcompiler.lib cimgui)
 
+add_executable(${PROJECT_NAME} 
+	main.c
+)
 
+target_link_libraries(${PROJECT_NAME} PRIVATE glfw cimgui_with_backend d3d11 d3dcompiler dwmapi)
+target_compile_definitions(
+	${PROJECT_NAME}
+	PRIVATE 
+	CIMGUI_DEFINE_ENUMS_AND_STRUCTS=1
+	CIMGUI_USE_GLFW=1
+	CIMGUI_USE_DX11=1
+)

backend_test/example_glfw_dx11/README.md

@@ -1,6 +1,7 @@
+# GLFWDX11
 
-This example needs dx11 in generation before compile. (add dx11 to generator.bat(sh) and generate)
+This example needs dx11 in generation before compile.
+Generation will be done from cmake but you need LuaJIT in the system.
 
 `STATIC_BUILD` is the cmake variable to do static linking
 
-Only tested with VC nmake.

backend_test/example_glfw_dx11/main.c

@@ -1,4 +1,4 @@
-#define CIMGUI_DEFINE_ENUMS_AND_STRUCTS
+//#define CIMGUI_DEFINE_ENUMS_AND_STRUCTS is done in cmake
 #include "cimgui.h"
 #include "cimgui_impl.h"
 #define D3D11_NO_HELPERS

backend_test/example_sdlgpu3/CMakeLists.txt

@@ -13,10 +13,10 @@ FetchContent_Declare(
 set(SDL_TEST_LIBRARY OFF CACHE BOOL "" FORCE)
 FetchContent_MakeAvailable(sdl3)
 
-include(GenerateCimguiBindings.cmake)
+include(../cmake/GenerateCimguiBindings.cmake)
 
-set(inclist ${sdl3_SOURCE_DIR}/include)
+set(inclulist ${sdl3_SOURCE_DIR}/include)
-GenerateCimguiBindings(cimgui_with_backend sdl3 sdlgpu3 "${inclist}")
+GenerateCimguiBindings(cimgui_with_backend sdl3 sdlgpu3 inclulist)
 target_link_libraries(cimgui_with_backend PRIVATE SDL3::SDL3)
 
 add_executable(${PROJECT_NAME}