JAVA_HOME=/opt/jdk-foreign/jvm/openjdk-19-internal
JAVAC=$(JAVA_HOME)/bin/javac
JAVA=$(JAVA_HOME)/bin/java

zvk_TEMPLATES := $(wildcard template/*.java)
zvk_SOURCES := $(wildcard src/zvk/*.java)
zvk_demo_SOURCES := $(wildcard src/zvk/test/*.java)

all::
	mkdir -p bin

all:: bin/demo.built bin/classes/zvk/test/mandelbrot.bin

bin/api.built: bin/api.gen $(zvk_SOURCES)
	$(JAVAC) --add-modules jdk.incubator.foreign -d bin/classes \
		$(shell find bin/gen -name '*.java') \
		$(zvk_SOURCES)
	touch $@

bin/api.gen: /usr/share/vulkan/registry/vk.xml generate-vulkan $(zvk_TEMPLATES)
	PERL_HASH_SEED=0 ./generate-vulkan -d bin/gen
	touch $@

bin/demo.built: bin/api.built $(zvk_demo_SOURCES)
	$(JAVAC) --add-modules jdk.incubator.foreign -d bin/classes -cp bin/classes \
		$(zvk_demo_SOURCES)
	touch $@

bin/classes/zvk/test/mandelbrot.bin: mandelbrot.comp
	mkdir -p $(@D)
	glslangValidator --target-env vulkan1.0 -V -o $@ $<

demo: bin/demo.built bin/classes/zvk/test/mandelbrot.bin
	$(JAVA) --enable-native-access=ALL-UNNAMED --add-modules jdk.incubator.foreign \
		-cp bin/classes zvk.test.TestVulkan

clean:
	rm -rf api bin mandelbrot.pam

.PHONY: demo clean all