Add a tracing make recipe

Makefile

@@ -2,6 +2,8 @@ NAME = triangle
 
 all: shaders build deploy run
 
+trace: shaders build deploy runtrace
+
 build:
 	@echo Building...
 	@./ndk-build.sh
@@ -18,6 +20,13 @@ run:
 	@echo Copying artifacts back to local device...
 	@adb pull /data/vulkan/${NAME}/${NAME}.png .
 
+runtrace:
+	@echo Running on device with tracing...
+	@adb shell "cd /data/vulkan/${NAME} && LD_PRELOAD=/data/vulkan/libwrap.so ./${NAME}"
+	@echo Copying artifacts back to local device...
+	@adb pull /data/vulkan/${NAME}/${NAME}.png .
+	@adb pull /sdcard/trace.rd .
+
 shaders:
 	@echo Compiling shaders...
 	@glslc -c ${NAME}.vert
@@ -29,4 +38,5 @@ clean:
 	@rm -f ${NAME}.png
 	@rm -f ${NAME}.vert.spv
 	@rm -f ${NAME}.frag.spv
+	@rm -f trace.rd
 	@adb shell rm /data/vulkan/${NAME}/*