cmake_minimum_required(VERSION 3.1)

project(Linux-VR-Compositor C)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")

set(CMAKE_CXX_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN ON)

set(CMAKE_C_STANDARD 99)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -ansi -pedantic -Werror=implicit-function-declaration -Werror=incompatible-pointer-types")

option(ENABLE_XCB "Enable XCB" ON)

find_package(OpenGL REQUIRED)
find_package(openhmd REQUIRED)

add_library(lvrc include/lvrc.h src/lvrc.c src/lvrc_internal.h src/instance.c src/instance.h src/swapChain.c src/swapChain.h src/frame.c src/frame.h)

target_link_libraries(lvrc PUBLIC openhmd ${OPENGL_LIBRARIES} EGL)
target_link_libraries(lvrc PUBLIC "drm" "gbm")
target_include_directories(lvrc PRIVATE "/usr/include/drm/")
target_include_directories(lvrc PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")

if (ENABLE_XCB)
    target_link_libraries(lvrc PUBLIC "xcb" "xcb-randr")
    target_compile_definitions(lvrc PRIVATE ENABLE_XCB=1)
endif(ENABLE_XCB)

export(TARGETS lvrc FILE lvrc-config.cmake)

add_subdirectory(examples)