Upgrade to OpenGL4

.gitignore

@@ -2,3 +2,10 @@
 .*.swo
 *.orig
 .idea/
+**/CMakeFiles/**
+**/Makefile
+*.cmake
+*.a
+*.cbp
+*.dni
+CMakeCache.txt

CMakeLists.txt

@@ -15,10 +15,9 @@
 
 cmake_minimum_required(VERSION 3.0)
 project(imaginaryMyst LANGUAGES CXX)
-
+set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
 include(FeatureSummary)
-
-set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+message(${CMAKE_MODULE_PATH})
 
 option(ENABLE_SSE2 "Build with SSE2 SIMD instructions" ON)
 
@@ -65,11 +64,15 @@ set_package_properties(string_theory PROPERTIES
 )
 include_directories(${STRING_THEORY_INCLUDE_DIRS})
 
+find_package(GLEW REQUIRED)
+
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
 include_directories(${GLEW_INCLUDE_DIR})
 include_directories(${OPENGL_INCLUDE_DIR})
 include_directories(${GLM_INCLUDE_DIRS})
 include_directories(${ZLIB_INCLUDE_DIR})
+include_directories(${GLM_INCLUDE_DIRS})
+
 
 # 3rd party Squish library for DXT codecs
 include_directories(libsquish)

cmake/FindSDL2.cmake

@@ -0,0 +1,249 @@
+# - Find SDL2
+# Find the SDL2 headers and libraries
+#
+#  SDL2::SDL2 - Imported target to use for building a library
+#  SDL2::SDL2main - Imported interface target to use if you want SDL and SDLmain.
+#  SDL2_FOUND - True if SDL2 was found.
+#  SDL2_DYNAMIC - If we found a DLL version of SDL (meaning you might want to copy a DLL from SDL2::SDL2)
+#
+# Original Author:
+# 2015 Ryan Pavlik <ryan.pavlik@gmail.com> <abiryan@ryand.net>
+#
+# Copyright Sensics, Inc. 2015.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# Set up architectures (for windows) and prefixes (for mingw builds)
+if(WIN32)
+    if(MINGW)
+        include(MinGWSearchPathExtras OPTIONAL)
+        if(MINGWSEARCH_TARGET_TRIPLE)
+            set(SDL2_PREFIX ${MINGWSEARCH_TARGET_TRIPLE})
+        endif()
+    endif()
+    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+        set(SDL2_LIB_PATH_SUFFIX lib/x64)
+        if(NOT MSVC AND NOT SDL2_PREFIX)
+            set(SDL2_PREFIX x86_64-w64-mingw32)
+        endif()
+    else()
+        set(SDL2_LIB_PATH_SUFFIX lib/x86)
+        if(NOT MSVC AND NOT SDL2_PREFIX)
+            set(SDL2_PREFIX i686-w64-mingw32)
+        endif()
+    endif()
+endif()
+
+if(SDL2_PREFIX)
+    set(SDL2_ORIGPREFIXPATH ${CMAKE_PREFIX_PATH})
+    if(SDL2_ROOT_DIR)
+        list(APPEND CMAKE_PREFIX_PATH "${SDL2_ROOT_DIR}")
+    endif()
+    if(CMAKE_PREFIX_PATH)
+        foreach(_prefix ${CMAKE_PREFIX_PATH})
+            list(APPEND CMAKE_PREFIX_PATH "${_prefix}/${SDL2_PREFIX}")
+        endforeach()
+    endif()
+    if(MINGWSEARCH_PREFIXES)
+        list(APPEND CMAKE_PREFIX_PATH ${MINGWSEARCH_PREFIXES})
+    endif()
+endif()
+
+# Invoke pkgconfig for hints
+find_package(PkgConfig QUIET)
+set(SDL2_INCLUDE_HINTS)
+set(SDL2_LIB_HINTS)
+if(PKG_CONFIG_FOUND)
+    pkg_search_module(SDL2PC QUIET sdl2)
+    if(SDL2PC_INCLUDE_DIRS)
+        set(SDL2_INCLUDE_HINTS ${SDL2PC_INCLUDE_DIRS})
+    endif()
+    if(SDL2PC_LIBRARY_DIRS)
+        set(SDL2_LIB_HINTS ${SDL2PC_LIBRARY_DIRS})
+    endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+
+find_library(SDL2_LIBRARY
+        NAMES
+        SDL2
+        HINTS
+        ${SDL2_LIB_HINTS}
+        PATHS
+        ${SDL2_ROOT_DIR}
+        ENV SDL2DIR
+        PATH_SUFFIXES lib SDL2 ${SDL2_LIB_PATH_SUFFIX})
+
+set(_sdl2_framework FALSE)
+# Some special-casing if we've found/been given a framework.
+# Handles whether we're given the library inside the framework or the framework itself.
+if(APPLE AND "${SDL2_LIBRARY}" MATCHES "(/[^/]+)*.framework(/.*)?$")
+    set(_sdl2_framework TRUE)
+    set(SDL2_FRAMEWORK "${SDL2_LIBRARY}")
+    # Move up in the directory tree as required to get the framework directory.
+    while("${SDL2_FRAMEWORK}" MATCHES "(/[^/]+)*.framework(/.*)$" AND NOT "${SDL2_FRAMEWORK}" MATCHES "(/[^/]+)*.framework$")
+        get_filename_component(SDL2_FRAMEWORK "${SDL2_FRAMEWORK}" DIRECTORY)
+    endwhile()
+    if("${SDL2_FRAMEWORK}" MATCHES "(/[^/]+)*.framework$")
+        set(SDL2_FRAMEWORK_NAME ${CMAKE_MATCH_1})
+        # If we found a framework, do a search for the header ahead of time that will be more likely to get the framework header.
+        find_path(SDL2_INCLUDE_DIR
+                NAMES
+                SDL_haptic.h # this file was introduced with SDL2
+                HINTS
+                "${SDL2_FRAMEWORK}/Headers/")
+    else()
+        # For some reason we couldn't get the framework directory itself.
+        # Shouldn't happen, but might if something is weird.
+        unset(SDL2_FRAMEWORK)
+    endif()
+endif()
+
+find_path(SDL2_INCLUDE_DIR
+        NAMES
+        SDL_haptic.h # this file was introduced with SDL2
+        HINTS
+        ${SDL2_INCLUDE_HINTS}
+        PATHS
+        ${SDL2_ROOT_DIR}
+        ENV SDL2DIR
+        PATH_SUFFIXES include include/sdl2 include/SDL2 SDL2)
+
+if(WIN32 AND SDL2_LIBRARY)
+    find_file(SDL2_RUNTIME_LIBRARY
+            NAMES
+            SDL2.dll
+            libSDL2.dll
+            HINTS
+            ${SDL2_LIB_HINTS}
+            PATHS
+            ${SDL2_ROOT_DIR}
+            ENV SDL2DIR
+            PATH_SUFFIXES bin lib ${SDL2_LIB_PATH_SUFFIX})
+endif()
+
+
+if(WIN32 OR ANDROID OR IOS OR (APPLE AND NOT _sdl2_framework))
+    set(SDL2_EXTRA_REQUIRED SDL2_SDLMAIN_LIBRARY)
+    find_library(SDL2_SDLMAIN_LIBRARY
+            NAMES
+            SDL2main
+            PATHS
+            ${SDL2_ROOT_DIR}
+            ENV SDL2DIR
+            PATH_SUFFIXES lib ${SDL2_LIB_PATH_SUFFIX})
+endif()
+
+if(MINGW AND NOT SDL2PC_FOUND)
+    find_library(SDL2_MINGW_LIBRARY mingw32)
+    find_library(SDL2_MWINDOWS_LIBRARY mwindows)
+endif()
+
+if(SDL2_PREFIX)
+    # Restore things the way they used to be.
+    set(CMAKE_PREFIX_PATH ${SDL2_ORIGPREFIXPATH})
+endif()
+
+# handle the QUIETLY and REQUIRED arguments and set QUATLIB_FOUND to TRUE if
+# all listed variables are TRUE
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SDL2
+        DEFAULT_MSG
+        SDL2_LIBRARY
+        SDL2_INCLUDE_DIR
+        ${SDL2_EXTRA_REQUIRED})
+
+if(SDL2_FOUND)
+    if(NOT TARGET SDL2::SDL2)
+        # Create SDL2::SDL2
+        if(WIN32 AND SDL2_RUNTIME_LIBRARY)
+            set(SDL2_DYNAMIC TRUE)
+            add_library(SDL2::SDL2 SHARED IMPORTED)
+            set_target_properties(SDL2::SDL2
+                    PROPERTIES
+                    IMPORTED_IMPLIB "${SDL2_LIBRARY}"
+                    IMPORTED_LOCATION "${SDL2_RUNTIME_LIBRARY}"
+                    INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
+                    )
+        else()
+            add_library(SDL2::SDL2 UNKNOWN IMPORTED)
+            if(SDL2_FRAMEWORK AND SDL2_FRAMEWORK_NAME)
+                # Handle the case that SDL2 is a framework and we were able to decompose it above.
+                set_target_properties(SDL2::SDL2 PROPERTIES
+                        IMPORTED_LOCATION "${SDL2_FRAMEWORK}/${SDL2_FRAMEWORK_NAME}")
+            elseif(_sdl2_framework AND SDL2_LIBRARY MATCHES "(/[^/]+)*.framework$")
+                # Handle the case that SDL2 is a framework and SDL_LIBRARY is just the framework itself.
+
+                # This takes the basename of the framework, without the extension,
+                # and sets it (as a child of the framework) as the imported location for the target.
+                # This is the library symlink inside of the framework.
+                set_target_properties(SDL2::SDL2 PROPERTIES
+                        IMPORTED_LOCATION "${SDL2_LIBRARY}/${CMAKE_MATCH_1}")
+            else()
+                # Handle non-frameworks (including non-Mac), as well as the case that we're given the library inside of the framework
+                set_target_properties(SDL2::SDL2 PROPERTIES
+                        IMPORTED_LOCATION "${SDL2_LIBRARY}")
+            endif()
+            set_target_properties(SDL2::SDL2
+                    PROPERTIES
+                    INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
+                    )
+        endif()
+
+        if(APPLE)
+            # Need Cocoa here, is always a framework
+            find_library(SDL2_COCOA_LIBRARY Cocoa)
+            list(APPEND SDL2_EXTRA_REQUIRED SDL2_COCOA_LIBRARY)
+            if(SDL2_COCOA_LIBRARY)
+                set_target_properties(SDL2::SDL2 PROPERTIES
+                        IMPORTED_LINK_INTERFACE_LIBRARIES ${SDL2_COCOA_LIBRARY})
+            endif()
+        endif()
+
+
+        # Compute what to do with SDL2main
+        set(SDL2MAIN_LIBRARIES SDL2::SDL2)
+        add_library(SDL2::SDL2main INTERFACE IMPORTED)
+        if(SDL2_SDLMAIN_LIBRARY)
+            add_library(SDL2::SDL2main_real STATIC IMPORTED)
+            set_target_properties(SDL2::SDL2main_real
+                    PROPERTIES
+                    IMPORTED_LOCATION "${SDL2_SDLMAIN_LIBRARY}")
+            set(SDL2MAIN_LIBRARIES SDL2::SDL2main_real ${SDL2MAIN_LIBRARIES})
+        endif()
+        if(MINGW)
+            # MinGW requires some additional libraries to appear earlier in the link line.
+            if(SDL2PC_LIBRARIES)
+                # Use pkgconfig-suggested extra libraries if available.
+                list(REMOVE_ITEM SDL2PC_LIBRARIES SDL2main SDL2)
+                set(SDL2MAIN_LIBRARIES ${SDL2PC_LIBRARIES} ${SDL2MAIN_LIBRARIES})
+            else()
+                # fall back to extra libraries specified in pkg-config in
+                # an official binary distro of SDL2 for MinGW I downloaded
+                if(SDL2_MINGW_LIBRARY)
+                    set(SDL2MAIN_LIBRARIES ${SDL2_MINGW_LIBRARY} ${SDL2MAIN_LIBRARIES})
+                endif()
+                if(SDL2_MWINDOWS_LIBRARY)
+                    set(SDL2MAIN_LIBRARIES ${SDL2_MWINDOWS_LIBRARY} ${SDL2MAIN_LIBRARIES})
+                endif()
+            endif()
+            set_target_properties(SDL2::SDL2main
+                    PROPERTIES
+                    INTERFACE_COMPILE_DEFINITIONS "main=SDL_main")
+        endif()
+        set_target_properties(SDL2::SDL2main
+                PROPERTIES
+                INTERFACE_LINK_LIBRARIES "${SDL2MAIN_LIBRARIES}")
+    endif()
+    mark_as_advanced(SDL2_ROOT_DIR)
+endif()
+
+mark_as_advanced(SDL2_LIBRARY
+        SDL2_RUNTIME_LIBRARY
+        SDL2_INCLUDE_DIR
+        SDL2_SDLMAIN_LIBRARY
+        SDL2_COCOA_LIBRARY
+        SDL2_MINGW_LIBRARY
+        SDL2_MWINDOWS_LIBRARY)