Build: rewrite java code compilation recipe

Every jar sources are now in its respective folder to avoid clutters. Rewrote javac recipe to allow compiling simultaneously.

JavaApp/Makefile

@@ -0,0 +1,39 @@
+# Prerequisite variables
+SOURCEDIR := src
+OUTPUTDIR := build
+SOURCES := $(shell find $(SOURCEDIR) -type f -name '*.java')
+CLASSES := $(SOURCES:$(SOURCEDIR)/%.java=$(OUTPUTDIR)/%.class)
+
+# Add all jars to classpath and allow compiling with private API
+JCFLAGS := -cp "$(subst $() $(),:,$(wildcard $(SOURCEDIR)/*/):$(wildcard libs/*/*.jar))" -XDignore.symbol.file
+
+all: $(OUTPUTDIR)/launcher.jar $(OUTPUTDIR)/lwjgl.jar
+
+# Rules for building java class
+$(CLASSES): $(OUTPUTDIR)/%.class: $(SOURCEDIR)/%.java
+	@set -e
+	$(eval TARGET=$(word 2, $(subst /, ,$@)))
+	@mkdir -p $(OUTPUTDIR)/classes
+	@mkdir -p $(dir $@)
+	@echo "Compiling $<"
+	@$(BOOTJDK)/javac $(JCFLAGS) -d $(OUTPUTDIR)/classes $<
+	@cp $(@:$(OUTPUTDIR)/$(TARGET)/%.class=$(OUTPUTDIR)/classes/%*.class) $(dir $@)/
+
+$(OUTPUTDIR)/launcher.jar: $(CLASSES)
+	@set -e
+	@echo "Creating $@"
+	$(BOOTJDK)/jar -cf $@ -C $(basename $@) .
+
+$(OUTPUTDIR)/lwjgl.jar: $(CLASSES)
+	@set -e
+	@echo "Creating $@"
+	@mkdir -p $(OUTPUTDIR)/lwjgl_lib
+	@cd $(OUTPUTDIR)/lwjgl_lib && find ../../libs/lwjgl -name 'lwjgl*.jar' -exec $(BOOTJDK)/jar -xf {} \; && rm -rf META-INF
+	@cp -R $(OUTPUTDIR)/lwjgl/* $(OUTPUTDIR)/lwjgl_lib/
+	@$(BOOTJDK)/jar -cf $@ -C $(OUTPUTDIR)/lwjgl_lib .
+
+clean:
+	rm -rf $(OUTPUTDIR)
+
+.SUFFIXES: .java
+.PHONY: all clean

JavaApp/src/lwjgl/org/lwjgl/glfw/GLFW.java

@@ -815,6 +815,11 @@ public class GLFW
         return invokeP(__functionAddress);
     }
 
+    public static void nglfwGetFramebufferSize(@NativeType("GLFWwindow *") long window, @Nullable @NativeType("int *") long width, @Nullable @NativeType("int *") long height) {
+        memPutInt(width, internalGetWindow(window).width);
+        memPutInt(height, internalGetWindow(window).height);
+    }
+
     public static void glfwGetFramebufferSize(@NativeType("GLFWwindow *") long window, @Nullable @NativeType("int *") IntBuffer width, @Nullable @NativeType("int *") IntBuffer height) {
         if (CHECKS) {
             checkSafe(width, 1);