pch migration to modules [wip]

gl/query.cppm

@@ -0,0 +1,45 @@
+module;
+#include "glad/glad.h"
+#include <cstdint>
+#include <optional>
+
+export module eu07.gl.query;
+import eu07.gl.object;
+
+export {
+
+
+namespace gl
+{
+class query : public object
+{
+public:
+	enum targets
+	{
+		SAMPLES_PASSED = 0,
+		ANY_SAMPLES_PASSED,
+		ANY_SAMPLES_PASSED_CONSERVATIVE,
+		PRIMITIVES_GENERATED,
+		TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN,
+		TIME_ELAPSED
+	};
+
+private:
+	targets target;
+	thread_local static query* active_queries[6];
+
+protected:
+	GLenum glenum_target(targets target);
+
+public:
+	query(targets target);
+	~query();
+
+	void begin();
+	void end();
+
+	std::optional<int64_t> result();
+};
+}
+
+}  // export