verma/laz-perf.cpp

## laz-perf.cpp
#include <emscripten/bind.h>

using namespace emscripten;

class LASZip {
	public:
		LASZip() {}
		void open(const char *buf, size_t len) {
			printf("Got buffer: %p, size: %i", buf, len);
		}
};

float lerp(float a, float b, float t) {
    return (1 - t) * a + t * b;
}

EMSCRIPTEN_BINDINGS(my_module) {
    function("lerp", &lerp);

	class_<LASZip>("LASZip")
		.constructor()
		.function("open", &LASZip::open, allow_raw_pointers());
}

## test.html
<!doctype html>
<html>
  <script src="laz-perf.js"></script>
  <script>
    document.write('lerp result: ' + Module.lerp(1, 2, 0.5));

	var x = new Module.LASZip();

	var a = new Int8Array(1024);
	var buf = Module._malloc(a.length*a.BYTES_PER_ELEMENT);
	Module.HEAPU8.set(a, buf);

	x.open(buf, a.length);

	Module._free(buf);

	x.delete();

	console.log("Done with deletion");
  </script>
</html>
	#include <emscripten/bind.h>

	using namespace emscripten;

	class LASZip {
	public:
	LASZip() {}
	void open(const char *buf, size_t len) {
	printf("Got buffer: %p, size: %i", buf, len);
	}
	};

	float lerp(float a, float b, float t) {
	return (1 - t) * a + t * b;
	}

	EMSCRIPTEN_BINDINGS(my_module) {
	function("lerp", &lerp);

	class_<LASZip>("LASZip")
	.constructor()
	.function("open", &LASZip::open, allow_raw_pointers());
	}
	<!doctype html>
	<html>
	<script src="laz-perf.js"></script>
	<script>
	document.write('lerp result: ' + Module.lerp(1, 2, 0.5));

	var x = new Module.LASZip();

	var a = new Int8Array(1024);
	var buf = Module._malloc(a.length*a.BYTES_PER_ELEMENT);
	Module.HEAPU8.set(a, buf);

	x.open(buf, a.length);

	Module._free(buf);

	x.delete();

	console.log("Done with deletion");
	</script>
	</html>