CMakeLists.txt

cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
cmake_policy(VERSION 2.8)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")

set(NAME VulkanBoids)

project(${NAME})

include_directories(external)
include_directories(external/glm)
include_directories(external/gli)
include_directories(base)

OPTION(USE_D2D_WSI "Build the project using Direct to Display swapchain" OFF)

IF(WIN32)
	find_library(VULKAN_LIB NAMES vulkan-1 vulkan PATHS ${CMAKE_SOURCE_DIR}/libs/vulkan)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_USE_PLATFORM_WIN32_KHR")
ELSE(WIN32)
	find_library(VULKAN_LIB NAMES vulkan HINTS "$ENV{VULKAN_SDK}/lib" "${CMAKE_SOURCE_DIR}/libs/vulkan" REQUIRED)
	find_package(Threads REQUIRED)
IF(USE_D2D_WSI)
	MESSAGE("Using direct to display extension...")
	add_definitions(-D_DIRECT2DISPLAY)
ELSE(USE_D2D_WSI)
  	find_package(XCB REQUIRED)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_USE_PLATFORM_XCB_KHR")
ENDIF(USE_D2D_WSI)
	# Todo : android?
ENDIF(WIN32)

message(STATUS ${VULKAN_LIB})

# Set preprocessor defines
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNOMINMAX -D_USE_MATH_DEFINES")

add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-std=c++11)

file(GLOB SOURCE *.cpp base/*.cpp)

# Function for building single example
function(buildExample EXAMPLE_NAME)
	file(GLOB SOURCE *.cpp base/*.cpp ${EXAMPLE_NAME}/*.cpp)
	if(WIN32)
		add_executable(${EXAMPLE_NAME} WIN32 ${EXAMPLE_NAME}/${EXAMPLE_NAME}.cpp ${SOURCE})
		target_link_libraries(${EXAMPLE_NAME} ${VULKAN_LIB} ${ASSIMP_LIBRARIES} ${WINLIBS})
	else(WIN32)
		add_executable(${EXAMPLE_NAME} ${EXAMPLE_NAME}/${EXAMPLE_NAME}.cpp ${SOURCE})
		target_link_libraries(${EXAMPLE_NAME} ${VULKAN_LIB} ${ASSIMP_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
	endif(WIN32)
endfunction(buildExample)

# Build all examples
function(buildExamples)
	foreach(EXAMPLE ${EXAMPLES})
		buildExample(${EXAMPLE})
	endforeach(EXAMPLE)
endfunction(buildExamples)

# Compiler specific stuff
IF(MSVC)
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
ENDIF(MSVC)

IF(WIN32)
	# Nothing here (yet)
ELSE(WIN32)
	link_libraries(${XCB_LIBRARIES} ${VULKAN_LIB})
ENDIF(WIN32)

set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/bin/")

set(EXAMPLES
	vulkanBoids
)

buildExamples()