ported the University CGI demo from WINDOWS + GLUT + GLEW + GLU + OpenGL 4 to LINUX WAYLAND + EGL + GLES 2 with minimal cuts

Makefile

@@ -0,0 +1,64 @@
+include external.mk
+
+TARGET=Main.exe
+
+OBJECTS=Main.o
+
+GL_STUFF_D=${PWD}GL_STUFF/
+
+GOU=${GL_STUFF_D}OBJECTS/UTILS/
+GOS=${GL_STUFF_D}OBJECTS/SCENE/
+GOE=${GL_STUFF_D}OBJECTS/EFFECTS/
+GOC=${GL_STUFF_D}OBJECTS/CURVES/
+
+
+GL_STUFF_COMPATIBILITY_OBJECT=${GL_STUFF_D}GLES_3_1_compatibility.o
+GL_STUFF_UTILS_OBJECTS=${GOU}ClockIterator.o ${GOU}OnlyOnce.o ${GOU}ResourceCache.o ${GOU}ShaderMaker.o
+GL_STUFF_SCENE_OBJECTS=${GOS}Camera.o ${GOS}Instance3D.o ${GOS}InstancesLoader.o ${GOS}Model3D.o ${GOS}ObjectInstance.o ${GOS}objloader.o ${GOS}ShadingHelper.o
+# THE PLATFORM SUPPORTS UP TO GLES2 AND COMPUTE SHADERS COME WITH GLES3.1
+# REMOVED
+# ${O}${_E}CRT_shader.o
+GL_STUFF_EFFECTS_OBJECTS=${GOE}PseudoContext.o ${GOE}ReelManager.o ${GOE}Scene.o ${GOE}Screen.o ${GOE}TexMerger.o
+GL_STUFF_CURVES_OBJECTS=${GOC}Bezier.o ${GOC}Curve.o ${GOC}CurveIterator.o ${GOC}CurvesLoader.o ${GOC}Hermite.o ${GOC}NURBS.o
+
+GL_STUFF_OBJECTS=${GL_STUFF_UTILS_OBJECTS} ${GL_STUFF_SCENE_OBJECTS} \
+				${GL_STUFF_EFFECTS_OBJECTS} ${GL_STUFF_CURVES_OBJECTS} \
+				${GL_STUFF_COMPATIBILITY_OBJECT}
+
+
+FULL_BUILD_OBJECTS=${GL_STUFF_OBJECTS} ${OBJECTS}
+
+LINKS=-lmyGLUT -lGLESv2 -lEGL -lm -lstdc++ -lc 
+
+# same as the GL_STUFF MAKEFILE
+CFLAGS=-ansi -Wpedantic -Winline -Werror -std=c++11
+
+all :
+	make -C ${GL_STUFF_D}
+	make ${TARGET}
+
+${TARGET} : ${OBJECTS}
+	${CPP_COMPILER} \
+	-o ${TARGET} \
+	-Wl,-unresolved-symbols=ignore-in-shared-libs \
+	${FULL_BUILD_OBJECTS} \
+	-L${GLUT_D} \
+	${L_SHLIBS} \
+	${LINKS}
+
+
+# -I ./ è una porcata clamorosa
+Main.o : Main.cpp ${GLUT_D}glut.h ./GL_STUFF/GLES_3_1_compatibility.h
+	${CPP_COMPILER} \
+	${I_GRAPHICS} \
+	${I_CGI_MATH} \
+	${I_MY_GLUT} \
+	-I ./ \
+	-c ${CFLAGS} Main.cpp \
+	${GLOBAL_COMPILE_CONF}
+
+.PHONY: clean debug
+
+clean: 
+	make clean -C ${GL_STUFF_D}
+	-rm ${TARGET} ${OBJECTS} *~ core