CMakeLists.txt

cmake_minimum_required(VERSION 3.15)

project(The-Forge)

# Do some OS checks, and setup accordingly.
set(APPLE_PLATFORM OFF)
set(LINUX OFF)
set(WINDOWS OFF)

# On macOS, we always set Metal support to on.
set(METAL OFF)

# Make our APIs into options
option(DX12 "DirectX12 (Windows only)" OFF)
option(DX11 "DirectX11 (Windows only)" OFF)
option(EXAMPLES "The Forge examples" OFF)
option(VULKAN "Vulkan" OFF)
option(DYNAMIC_LIB "Dynamic Library" OFF)

set(ASSIMP OFF)
set(OZZ OFF)

if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
    message("Apple platform detected. Generating macOS and iOS targets.")
    set(APPLE_PLATFORM ON)
endif()

if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
    message("Linux detected. Generating Linux targets.")
    set(LINUX ON)
    set(VULKAN ON)
endif()

if (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
    message("Windows detected. Generating Windows targets.")
    set(WINDOWS ON)
endif()


# Setup some sane API defaults.
set(API_SELECTED ON)

if(${VULKAN} MATCHES OFF)
    if(${DX11} MATCHES OFF)
        if(${DX12} MATCHES OFF)
            if(${METAL} MATCHES OFF)
                set(API_SELECTED OFF)
            endif()
        endif()
    endif()
endif()

# Apple platforms should always default to Metal.
if (${APPLE_PLATFORM} MATCHES ON)
    if(${METAL} MATCHES OFF)
        set(METAL ON)
    endif()

    if(${VULKAN} MATCHES ON)
        set(VULKAN OFF)
    endif()

    if(${DX11} MATCHES ON)
        set(DX11 OFF)
    endif()

    if(${DX12} MATCHES ON)
        set(DX12 OFF)
    endif()

    set(API_SELECTED ON)
endif()

if (${API_SELECTED} MATCHES OFF)
    if(${APPLE_PLATFORM} MATCHES ON)
        set(METAL ON)
    endif()

    if(${LINUX} MATCHES ON)
        set(VULKAN ON)
    endif()

    if(${WINDOWS} MATCHES ON)
        set(DX12 ON)
        # Needed due to how the profiler in forge force-links to vulkan as well.
        set(VULKAN ON)
    endif()
endif()

if(${DX12} MATCHES ON)
    set(DX11 ON)
endif()

message("The following options have been set to on:\n")
if(${APPLE_PLATFORM} MATCHES ON)
    message("Apple platform")
endif()

if(${LINUX} MATCHES ON)
    message("Linux platform")
endif()

if(${WINDOWS} MATCHES ON)
    message("Windows platform")
endif()

if(${METAL} MATCHES ON)
    message("Metal reendering API")
endif()

if(${VULKAN} MATCHES ON)
    message("Vulkan rendering API")
endif()

if(${DX11} MATCHES ON)
    message("DirectX 11 rendering API")
endif()

if(${DX12} MATCHES ON)
    message("DirectX 12 rendering API")
endif()

if(${DYNAMIC_LIB} MATCHES ON)
    message("Dynamic library")
endif()

message("\n")

add_subdirectory(Common)
add_subdirectory(Testing)
add_subdirectory(Triangle)
add_subdirectory(Quad)
add_subdirectory(Cube)