First runnable render loop

cmake/FindSTB.cmake

@@ -0,0 +1,53 @@
+#
+# Find STB
+#
+# Try to find STB library.
+# This module defines the following variables:
+# - STB_INCLUDE_DIRS
+# - STB_LIBRARIES
+# - STB_FOUND
+#
+# The following variables can be set as arguments for the module.
+# - STB_ROOT : Root library directory of STB
+# - STB_USE_STATIC_LIBS : Specifies to use static version of STB library (Windows only)
+#
+# References:
+# - https://github.com/progschj/OpenGL-Examples/blob/master/cmake_modules/FindSTB.cmake
+# - https://bitbucket.org/Ident8/cegui-mk2-opengl3-renderer/src/befd47200265/cmake/FindSTB.cmake
+#
+
+# Additional modules
+include(FindPackageHandleStandardArgs)
+
+if (WIN32)
+	# Find include files
+	find_path(
+		STB_INCLUDE_DIR
+		NAMES stb.h
+		PATHS
+			$ENV{PROGRAMFILES}/include
+			${STB_ROOT}
+		DOC "The directory where STB/stb.h resides")
+else()
+	# Find include files
+	find_path(
+		STB_INCLUDE_DIR
+		NAMES stb.h
+		PATHS
+			/usr/include
+			/usr/local/include
+			/sw/include
+			/opt/local/include
+		DOC "The directory where STB/stb.h resides")
+endif()
+
+# Handle REQUIRD argument, define *_FOUND variable
+find_package_handle_standard_args(STB DEFAULT_MSG STB_INCLUDE_DIR)
+
+# Define STB_LIBRARIES and STB_INCLUDE_DIRS
+if (STB_FOUND)
+	set(STB_INCLUDE_DIRS ${STB_INCLUDE_DIR})
+endif()
+
+# Hide some variables
+mark_as_advanced(STB_INCLUDE_DIR)