CMakeLists.txt

# Copyright (c) 2015-2017, David Hirvonen, Ruslan Baratov
# All rights reserved.

cmake_minimum_required(VERSION 3.0)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/modules")

include("cmake/HunterGate.cmake")
HunterGate(
  URL "https://github.com/ruslo/hunter/archive/v0.18.55.tar.gz"
  SHA1 "0dcfb305e43e492bec485b7404827b3b5dd4d2e6"
  LOCAL
  )

project(ogles_gpgpu VERSION 0.2.0)

set_property(GLOBAL PROPERTY USE_FOLDERS ON)

# See: cmake/Hunter/config.cmake
hunter_add_package(Sugar)
include("${SUGAR_ROOT}/cmake/Sugar")
include(sugar_include)

string(COMPARE EQUAL "${CMAKE_SYSTEM_NAME}" "Linux" is_linux)

message("Android: ${ANDROID}")
message("iOS    : ${IOS}")
message("Linux  : ${is_linux}")
message("Xcode  : ${XCODE}")

if(XCODE)
  set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Configuration types")
endif()

option(OGLES_GPGPU_BUILD_EXAMPLES "Build examples" OFF)
option(OGLES_GPGPU_INSTALL "Perform installation" ON)
option(OGLES_GPGPU_VERBOSE "Perform per filter logging" OFF)

## #################################################################
## Testing: 
## #################################################################

# Tests can be compiled for all platforms (to tests exe linking),
# but they may only be run on platforms where an OpenGL context
# is available
  
option(OGLES_GPGPU_BUILD_TESTS "Build shader unit tests" OFF)
if(OGLES_GPGPU_BUILD_TESTS)

  enable_testing()    

  hunter_add_package(GTest)
  find_package(GTest CONFIG REQUIRED)
  list(APPEND OGLES_GPGPU_TEST_LIBS GTest::gtest)

  # Include glfw for lightweight hidden window opengl context:
  # Alternatives: boost or glm for iOS and Android
  if(NOT (IOS OR ANDROID))
    hunter_add_package(glfw)
    find_package(glfw3 REQUIRED)
    list(APPEND OGLES_GPGPU_TEST_LIBS glfw)
    set(ogles_gpgpug_has_glfw TRUE)
  endif()
  
  hunter_add_package(OpenCV)
  find_package(OpenCV REQUIRED)
  list(APPEND OGLES_GPGPU_TEST_LIBS "${OpenCV_LIBS}")
endif()

## #################################################################
## Project
## #################################################################

add_subdirectory(ogles_gpgpu)

## #################################################################
## Examples
## #################################################################

if(OGLES_GPGPU_BUILD_EXAMPLES)
  message("BUILD EXAMPLES.......")
  add_subdirectory(examples)
endif()