PORTNAME=	imgui
DISTVERSIONPREFIX=	v
DISTVERSION=	1.92.5
DISTVERSIONSUFFIX=	-docking
CATEGORIES=	x11-toolkits

MAINTAINER=	yuri@FreeBSD.org
COMMENT=	Bloat-free Graphical User interface for C++ with minimal dependencies
WWW=		https://github.com/ocornut/imgui

LICENSE=	MIT
LICENSE_FILE=	${WRKSRC}/LICENSE.txt

USES=		cmake gl
USE_GITHUB=	yes
GH_ACCOUNT=	ocornut
USE_GL=		gl
USE_LDCONFIG=	yes

CMAKE_ON=	BUILD_SHARED_LIBS
CMAKE_OFF=	EMSCRIPTEN IMGUI_TEST_ENGINE

LDFLAGS+=	-lGL -L${LOCALBASE}/lib

OPTIONS_DEFINE=			FREETYPE FREETYPE_SVG WCHAR32
OPTIONS_DEFAULT=		GLFW GLUT OPENGL2 OPENGL3 SDL3 SDL3_RENDERER \
				SDLGPU3 VULKAN
OPTIONS_MULTI=			BACKENDS
OPTIONS_MULTI_BACKENDS=		ALLEGRO5 GLFW GLUT OPENGL2 OPENGL3 SDL2 \
				SDL2_RENDERER SDL3 SDL3_RENDERER \
				SDLGPU3 VULKAN
OPTIONS_SUB=			yes

## general options

FREETYPE_LIB_DEPENDS=		libfreetype.so:print/freetype2
FREETYPE_CMAKE_BOOL=		IMGUI_FREETYPE

FREETYPE_SVG_DESC=		Support SVG fonts via plutosvg
FREETYPE_SVG_LIB_DEPENDS=	libplutosvg.so:graphics/plutosvg
FREETYPE_SVG_CMAKE_BOOL=	IMGUI_FREETYPE_SVG

WCHAR32_DESC=			Use wchar32
WCHAR32_CMAKE_BOOL=		IMGUI_USE_WCHAR32

## backend options

ALLEGRO5_DESC=			Install Allegro5 backend
ALLEGRO5_LIB_DEPENDS=		liballegro.so:devel/allegro5 # even though binary doesn't link to liballegro.so for some reason
ALLEGRO5_CMAKE_BOOL=		IMGUI_BUILD_ALLEGRO5_BINDING

GLFW_DESC=			Install GLFW backend
GLFW_LIB_DEPENDS=		libglfw.so:graphics/glfw
GLFW_CMAKE_BOOL=		IMGUI_BUILD_GLFW_BINDING

GLUT_DESC=			Install GLUT backend
GLUT_USES=			xorg
GLUT_USE=			GL=glut XORG=xi,xmu
GLUT_CMAKE_BOOL=		IMGUI_BUILD_GLUT_BINDING

OPENGL2_DESC=			Install OPENGL2 backend
OPENGL2_CMAKE_BOOL=		IMGUI_BUILD_OPENGL2_BINDING

OPENGL3_DESC=			Install OPENGL3 backend
OPENGL3_CMAKE_BOOL=		IMGUI_BUILD_OPENGL3_BINDING

SDL2_DESC=			Install SDL2 backend
SDL2_PREVENTS=			SDL3 SDL3_RENDERER
SDL2_PREVENTS_MSG=		INTERFACE_SDL_VERSION conflict
SDL2_USES=			sdl
SDL2_USE=			SDL=sdl2
SDL2_CMAKE_BOOL=		IMGUI_BUILD_SDL2_BINDING

SDL2_RENDERER_DESC=		Install SDL2 renderer backend
SDL2_RENDERER_PREVENTS=		SDL3 SDL3_RENDERER SDLGPU3
SDL2_RENDERER_PREVENTS_MSG=	INTERFACE_SDL_VERSION conflict
SDL2_RENDERER_USES=		sdl
SDL2_RENDERER_USE=		SDL=sdl2
SDL2_RENDERER_CMAKE_BOOL=	IMGUI_BUILD_SDL2_RENDERER_BINDING

SDL3_DESC=			Install SDL3 backend
SDL3_PREVENTS=			SDL2 SDL2_RENDERER
SDL3_PREVENTS_MSG=		INTERFACE_SDL_VERSION conflict
SDL3_USES=			sdl
SDL3_USE=			SDL=sdl3
SDL3_CMAKE_BOOL=		IMGUI_BUILD_SDL3_BINDING

SDL3_RENDERER_DESC=		Install SDL3 renderer backend
SDL3_RENDERER_PREVENTS=		SDL2 SDL2_RENDERER
SDL3_RENDERER_PREVENTS_MSG=	INTERFACE_SDL_VERSION conflict
SDL3_RENDERER_USES=		sdl
SDL3_RENDERER_USE=		SDL=sdl3
SDL3_RENDERER_CMAKE_BOOL=	IMGUI_BUILD_SDL3_RENDERER_BINDING

SDLGPU3_DESC=			Install SDL3 GPU backend
SDLGPU3_PREVENTS=		SDL2 SDL2_RENDERER
SDLGPU3_PREVENTS_MSG=		INTERFACE_SDL_VERSION conflict
SDLGPU3_USES=			sdl
SDLGPU3_USE=			SDL=sdl3
SDLGPU3_CMAKE_BOOL=		IMGUI_BUILD_SDLGPU3_BINDING

VULKAN_DESC=			Install Vulkan renderer backend
VULKAN_BUILD_DEPENDS=		glslangValidator:graphics/glslang \
				glslc:graphics/shaderc \
				${LOCALBASE}/include/vulkan/vulkan.h:graphics/vulkan-headers
VULKAN_LIB_DEPENDS=		libvulkan.so:graphics/vulkan-loader
VULKAN_CMAKE_BOOL=		IMGUI_BUILD_VULKAN_BINDING

post-patch:
	@${CP} ${FILESDIR}/CMakeLists.txt ${FILESDIR}/imgui-config.cmake.in ${WRKSRC}

do-test:
	@cd ${WRKSRC}/examples/example_sdl3_sdlrenderer3 && \
		${GMAKE} \
			CXXFLAGS="${CXXFLAGS} `pkg-config --cflags sdl3` -I${STAGEDIR}${PREFIX}/include -I${WRKSRC}/backends" \
			LIBS="`pkg-config --libs sdl3` -lGL" && \
		./example_sdl3_sdlrenderer3

.include <bsd.port.mk>