# Example usage:
#  mkdir build
#  cd build
#  cmake -g "Visual Studio 14 2015" ..

cmake_minimum_required(VERSION 2.8)
project(imgui_example_glfw_vulkan C CXX)

if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Debug CACHE STRING "" FORCE)
endif()

set(CMAKE_CXX_STANDARD 11)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DVK_PROTOTYPES")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_PROTOTYPES")

# GLFW
set(GLFW_DIR ../../../glfw) # Set this to point to an up-to-date GLFW repo
option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" OFF)
option(GLFW_BUILD_TESTS "Build the GLFW test programs" OFF)
option(GLFW_BUILD_DOCS "Build the GLFW documentation" OFF)
option(GLFW_INSTALL "Generate installation target" OFF)
option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF)
add_subdirectory(${GLFW_DIR} binary_dir EXCLUDE_FROM_ALL)
include_directories(${GLFW_DIR}/include)

# Dear ImGui
set(IMGUI_DIR ../../)
include_directories(${IMGUI_DIR} ${IMGUI_DIR}/backends ..)

# Libraries
find_package(Vulkan REQUIRED)
#find_library(VULKAN_LIBRARY
  #NAMES vulkan vulkan-1)
#set(LIBRARIES "glfw;${VULKAN_LIBRARY}")
set(LIBRARIES "glfw;Vulkan::Vulkan")

# Use vulkan headers from glfw:
include_directories(${GLFW_DIR}/deps)

file(GLOB sources *.cpp)

add_executable(example_glfw_vulkan ${sources} ${IMGUI_DIR}/backends/imgui_impl_glfw.cpp ${IMGUI_DIR}/backends/imgui_impl_vulkan.cpp ${IMGUI_DIR}/imgui.cpp ${IMGUI_DIR}/imgui_draw.cpp ${IMGUI_DIR}/imgui_demo.cpp ${IMGUI_DIR}/imgui_tables.cpp ${IMGUI_DIR}/imgui_widgets.cpp)
target_link_libraries(example_glfw_vulkan ${LIBRARIES})
target_compile_definitions(example_glfw_vulkan PUBLIC -DImTextureID=ImU64)