bgfx: Move example to bgfx and split off imgui

CMakeLists.txt

@@ -108,10 +108,6 @@ if(BGFX_BUILD_TOOLS)
 	include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/tools.cmake)
 endif()
 
-if(BGFX_BUILD_TOOLS OR BGFX_BUILD_EXAMPLES)
-	include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/examples.cmake)
-endif()
-
 if(BGFX_INSTALL)
 	include(GNUInstallDirs)
 

cmake/3rdparty/dear-imgui.cmake

@@ -1,23 +0,0 @@
-# bgfx.cmake - bgfx building in cmake
-# Written in 2017 by Joshua Brookover <joshua.al.brookover@gmail.com>
-
-# To the extent possible under law, the author(s) have dedicated all copyright
-# and related and neighboring rights to this software to the public domain
-# worldwide. This software is distributed without any warranty.
-
-# You should have received a copy of the CC0 Public Domain Dedication along with
-# this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
-
-if(TARGET dear-imgui)
-	return()
-endif()
-
-file(GLOB dear_IMGUI_SOURCES ${BGFX_DIR}/3rdparty/dear-imgui/*.cpp ${BGFX_DIR}/3rdparty/dear-imgui/*.h
-	 ${BGFX_DIR}/3rdparty/dear-imgui/*.inl
-)
-
-add_library(dear-imgui STATIC EXCLUDE_FROM_ALL ${dear_IMGUI_SOURCES})
-target_compile_definitions(dear-imgui PRIVATE "-D_CRT_SECURE_NO_WARNINGS" "-D__STDC_FORMAT_MACROS")
-target_include_directories(dear-imgui PUBLIC ${BGFX_DIR}/3rdparty)
-target_link_libraries(dear-imgui PUBLIC bx)
-set_target_properties(dear-imgui PROPERTIES FOLDER "bgfx/3rdparty" PREFIX "${CMAKE_STATIC_LIBRARY_PREFIX}bgfx-")

cmake/bgfx/3rdparty/dear-imgui.cmake

@@ -0,0 +1,26 @@
+# bgfx.cmake - bgfx building in cmake
+# Written in 2017 by Joshua Brookover <joshua.al.brookover@gmail.com>
+#
+# To the extent possible under law, the author(s) have dedicated all copyright
+# and related and neighboring rights to this software to the public domain
+# worldwide. This software is distributed without any warranty.
+#
+# You should have received a copy of the CC0 Public Domain Dedication along with
+# this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
+
+# Ensure the directory exists
+if(NOT IS_DIRECTORY ${BGFX_DIR})
+	message(SEND_ERROR "Could not load bgfx, directory does not exist. ${BGFX_DIR}")
+	return()
+endif()
+
+if(NOT DEAR_IMGUI_LIBRARIES)
+	file(
+		GLOB #
+		DEAR_IMGUI_SOURCES #
+		${BGFX_DIR}/3rdparty/dear-imgui/*.cpp #
+		${BGFX_DIR}/3rdparty/dear-imgui/*.h #
+		${BGFX_DIR}/3rdparty/dear-imgui/*.inl #
+	)
+	set(DEAR_IMGUI_INCLUDE_DIR ${BGFX_DIR}/3rdparty)
+endif()

cmake/bgfx/3rdparty/meshoptimizer.cmake

@@ -15,7 +15,8 @@ if(NOT IS_DIRECTORY ${BGFX_DIR})
 endif()
 
 if(NOT MESHOPTIMIZER_LIBRARIES)
-    file(GLOB #
+	file(
+		GLOB #
 		MESHOPTIMIZER_SOURCES #
 		${BGFX_DIR}/3rdparty/meshoptimizer/src/*.cpp #
 		${BGFX_DIR}/3rdparty/meshoptimizer/src/*.h #

cmake/bgfx/CMakeLists.txt

@@ -10,6 +10,9 @@
 
 include(bgfx.cmake)
 include(3rdparty/meshoptimizer.cmake)
+include(3rdparty/dear-imgui.cmake)
+
+include(examples.cmake)
 
 if(BGFX_BUILD_TOOLS_TEXTURE)
 	include(texturev.cmake)

cmake/bgfx/examples.cmake

@@ -12,8 +12,7 @@ include(CMakeParseArguments)
 
 include(${CMAKE_CURRENT_LIST_DIR}/util/ConfigureDebugging.cmake)
 
-include(${CMAKE_CURRENT_LIST_DIR}/3rdparty/dear-imgui.cmake)
-include(${CMAKE_CURRENT_LIST_DIR}/bgfxToolUtils.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/../bgfxToolUtils.cmake)
 
 function(add_bgfx_shader FILE FOLDER)
 	get_filename_component(FILENAME "${FILE}" NAME_WE)
@@ -143,9 +142,16 @@ function(add_example ARG_NAME)
 
 	# Add target
 	if(ARG_COMMON)
-		add_library(example-${ARG_NAME} STATIC EXCLUDE_FROM_ALL ${SOURCES} ${MESHOPTIMIZER_SOURCES})
-		target_include_directories(example-${ARG_NAME} PUBLIC ${BGFX_DIR}/examples/common ${MESHOPTIMIZER_INCLUDE_DIR})
-		target_link_libraries(example-${ARG_NAME} PUBLIC bgfx bx bimg bimg_decode dear-imgui ${MESHOPTIMIZER_LIBRARIES})
+		add_library(
+			example-${ARG_NAME} STATIC EXCLUDE_FROM_ALL ${SOURCES} ${DEAR_IMGUI_SOURCES} ${MESHOPTIMIZER_SOURCES}
+		)
+		target_include_directories(
+			example-${ARG_NAME} PUBLIC ${BGFX_DIR}/examples/common ${DEAR_IMGUI_INCLUDE_DIR}
+									   ${MESHOPTIMIZER_INCLUDE_DIR}
+		)
+		target_link_libraries(
+			example-${ARG_NAME} PUBLIC bgfx bx bimg bimg_decode ${DEAR_IMGUI_LIBRARIES} ${MESHOPTIMIZER_LIBRARIES}
+		)
 		if(BGFX_WITH_GLFW)
 			find_package(glfw3 REQUIRED)
 			target_link_libraries(example-${ARG_NAME} PUBLIC glfw)