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 vulkanExamples)

project(${NAME})

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

IF(WIN32)
	find_library(VULKAN_LIB NAMES vulkan-1 vulkan PATHS ${CMAKE_SOURCE_DIR}/libs/vulkan)
	find_library(ASSIMP_LIBRARIES NAMES assimp libassimp.dll.a PATHS ${CMAKE_SOURCE_DIR}/libs/assimp)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_USE_PLATFORM_WIN32_KHR")
ELSE(WIN32)
	find_library(VULKAN_LIB NAMES libvulkan.so PATHS ${CMAKE_SOURCE_DIR}/libs/vulkan)
	find_package(ASSIMP REQUIRED)
	find_package(XCB REQUIRED)
	find_package(Threads REQUIRED)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_USE_PLATFORM_XCB_KHR")
	# 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++14)
add_definitions(-std=c++0x)
add_definitions(-std=gnu++14)

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 "bin/")

set(EXAMPLES 
	bloom
	computeshader
	computeparticles
	deferred
	displacement
	distancefieldfonts
	gears
	geometryshader
	instancing
	mesh
    multithreading
	multisampling
	occlusionquery
	offscreen
	parallaxmapping
	particlefire
	pipelines
	pushconstants
	raytracing
	radialblur
	shadowmapping
	shadowmappingomni
	skeletalanimation
	sphericalenvmapping
	tessellation
	textoverlay
	texture
	texturearray
	texturecubemap
	triangle
	vulkanscene
)

buildExamples()