CMakeLists.txt

# ======================================================================== #
# Copyright 2021-2022 Ingo Wald                                            #
#                                                                          #
# Licensed under the Apache License, Version 2.0 (the "License");          #
# you may not use this file except in compliance with the License.         #
# You may obtain a copy of the License at                                  #
#                                                                          #
#     http://www.apache.org/licenses/LICENSE-2.0                           #
#                                                                          #
# Unless required by applicable law or agreed to in writing, software      #
# distributed under the License is distributed on an "AS IS" BASIS,        #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and      #
# limitations under the License.                                           #
# ======================================================================== #

cmake_policy(SET CMP0048 NEW)
project(MiniScene VERSION 0.0.1 LANGUAGES C CXX)

cmake_minimum_required(VERSION 3.16)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

if(${CMAKE_VERSION} VERSION_GREATER_EQUAL 3.18)
  cmake_policy(SET CMP0104 NEW)
endif()

if (NOT (${CMAKE_CURRENT_SOURCE_DIR} STREQUAL ${CMAKE_SOURCE_DIR}))
  set(MINI_IS_SUBMODULE ON)
else()
  set(MINI_IS_SUBPROJECT OFF)
endif()


if (MINI_IS_SUBMODULE)
  SET(MINI_BUILD_ADVANCED_IMPORTERS OFF)
else()
  option(MINI_BUILD_ADVANCED_IMPORTERS "Build Advanced Importers? (needs exr)" OFF)
#  option(MINI_BUILD_SIMPLE_IMPORTERS "Build Importers? (needs submodules)" ON)
endif()
SET(MINI_BUILD_SIMPLE_IMPORTERS ON) # can still disable by EXCLUDE_FROM_ALL

# ------------------------------------------------------------------
# general cmake project configs
# ------------------------------------------------------------------
include(cmake/configure_build_type.cmake)

add_library(mini_common
  INTERFACE
  )
target_include_directories(mini_common INTERFACE
  ${PROJECT_SOURCE_DIR}/miniScene)

if (NOT (TARGET stb_image))
  add_subdirectory(miniScene/common/stb_image EXCLUDE_FROM_ALL)
endif()
target_link_libraries(
  mini_common
  INTERFACE
  stb_image
  )

# ------------------------------------------------------------------
# the miniScene library itself
# ------------------------------------------------------------------
add_subdirectory(miniScene)

# ------------------------------------------------------------------
# various importers from other file formats
# ------------------------------------------------------------------
add_subdirectory(importers)

# ------------------------------------------------------------------
# various small mini-apps to inscpect/modify miniScenes
# ------------------------------------------------------------------
add_subdirectory(tools)