boost::python and documentation updates

build/SConscript.configure

@@ -325,7 +325,7 @@ def relax_compiler_settings(env):
 	# to be that fast)
 	env.RemoveFlags(['-g', '/Z7', '-ipo', '/GL'])
 	if env.RemoveFlag('-O3'):
-		env.AppendFlag('-O1')
+		env.AppendFlag('-Os')
 	if env.RemoveFlag('/O2'):
 		env.AppendFlag('/O1')
 

doc/introduction.tex

@@ -8,7 +8,10 @@ Mitsuba is a research-oriented rendering system in the style of PBRT
 (\url{www.pbrt.org}), from which it derives much inspiration.
 It is written in portable C++, implements unbiased as well 
 as biased techniques, and contains heavy optimizations targeted 
-towards current CPU architectures.
+towards current CPU architectures. 
+Mitsuba is extremely modular: it consists of a small set of core libraries 
+and over 100 different plugins that implement functionality ranging 
+from materials and light sources to complete rendering algorithms.
 
 In comparison to other open source renderers, Mitsuba places a strong 
 emphasis on experimental rendering techniques, such as path-based 

include/mitsuba/core/appender.h

@@ -41,9 +41,9 @@ public:
 	 * \param formatted Formatted string representation of the message
 	 * \param eta Estimated time until 100% is reached.
 	 * \param ptr Custom pointer payload. This is used to express the
-	 *    context of a progress message. When rendering a scene, this
-	 *    will usually be the associated \c RenderJob.
-	 * \remark The \c ptr argument is missing in the Python binding
+	 *    context of a progress message. When rendering a scene, it
+	 *    will usually contain a pointer to the associated \c RenderJob.
+	 * \remark The \c ptr argument is missing in the Python bindings
 	 */
 	virtual void logProgress(Float progress, const std::string &name,
 		const std::string &formatted, const std::string &eta, 

include/mitsuba/core/logger.h

@@ -104,6 +104,8 @@ public:
 	 * \param fileName Source file of the message creator
 	 * \param lineNumber Source line number of the message creator
 	 * \param fmt printf-style string formatter
+	 * \note This function is not exposed in the Python bindings.
+	 *       Instead, please use \cc mitsuba.core.Log
 	 */
 	void log(ELogLevel level, const Class *theClass, 
 		const char *fileName, int lineNumber, 
@@ -115,7 +117,10 @@ public:
 	 * \param name Title of the progress message
 	 * \param formatted Formatted string representation of the message
 	 * \param eta Estimated time until 100% is reached.
-	 * \param ptr Custom pointer payload
+	 * \param ptr Custom pointer payload. This is used to express the
+	 *    context of a progress message. When rendering a scene, it
+	 *    will usually contain a pointer to the associated \c RenderJob.
+	 * \remark The \c ptr argument is missing in the Python bindings
 	 */
 	void logProgress(Float progress, const std::string &name,
 		const std::string &formatted, const std::string &eta,
@@ -123,7 +128,7 @@ public:
 
 	/// Set the log level (everything below will be ignored)
 	void setLogLevel(ELogLevel level);
-	
+
 	/**
 	 * \brief Set the error log level (this level and anything 
 	 * above will throw exceptions).
@@ -149,7 +154,7 @@ public:
 
 	/// Return the number of registered appenders
 	inline size_t getAppenderCount() const { return m_appenders.size(); }
-	
+
 	/// Return one of the appenders
 	inline Appender *getAppender(size_t index) { return m_appenders[index]; }
 	

src/libcore/object.cpp

@@ -18,7 +18,7 @@
 
 #include <mitsuba/mitsuba.h>
 
-#define DEBUG_ALLOCATIONS 1
+#define DEBUG_REFCOUNTS 0
 
 MTS_NAMESPACE_BEGIN
 
@@ -29,7 +29,7 @@ Object::Object()
 }
 
 void Object::incRef() const {
-#if defined(DEBUG_ALLOCATIONS)
+#if DEBUG_REFCOUNTS == 1
 	if (Class::rttiIsInitialized())
 		cout << this << ": Increasing reference count (" << getClass()->getName() << ") -> "
 			<< m_refCount + 1 << endl;
@@ -42,7 +42,7 @@ void Object::incRef() const {
 }
 
 void Object::decRef() const {
-#if defined(DEBUG_ALLOCATIONS)
+#if DEBUG_REFCOUNTS == 1
 	if (Class::rttiIsInitialized()) {
 		cout << this << ": Decreasing reference count (" << getClass()->getName() << ") -> "
 			<< m_refCount - 1 << endl;
@@ -55,7 +55,7 @@ void Object::decRef() const {
 #endif
 	AssertEx(count >= 0, "Reference count is below zero!");
 	if (count == 0) {
-#if defined(DEBUG_ALLOCATIONS)
+#if DEBUG_REFCOUNTS == 1
 		if (Class::rttiIsInitialized())
 			cout << this << ": Deleting an instance of " << 
 				getClass()->getName() << endl;

src/libcore/thread.cpp

@@ -248,12 +248,12 @@ void Thread::exit() {
 std::string Thread::toString() const {
 	std::ostringstream oss;
 	oss << "Thread[" << endl
-		<< "  name=\"" << m_name << "\"," << endl
-		<< "  running=" << m_running << "," << endl
-		<< "  joined=" << m_joined << "," << endl
-		<< "  priority=" << m_priority << "," << endl
-		<< "  critical=" << m_critical << "," << endl
-		<< "  stackSize=" << m_stackSize << endl
+		<< "  name = \"" << m_name << "\"," << endl
+		<< "  running = " << m_running << "," << endl
+		<< "  joined = " << m_joined << "," << endl
+		<< "  priority = " << m_priority << "," << endl
+		<< "  critical = " << m_critical << "," << endl
+		<< "  stackSize = " << m_stackSize << endl
 		<< "]";
 	return oss.str();
 }

src/libpython/SConscript

@@ -3,10 +3,7 @@ Import('env', 'sys', 'os', 'hasPython')
 pythonEnv = env.Clone()
 pythonEnv.Append(CPPDEFINES = [['MTS_BUILD_MODULE', 'MTS_MODULE_PYTHON']])
 pythonEnv['SHLIBPREFIX']=''
-try:
-	pythonEnv['CXXFLAGS'].remove('-g')
-except:
-	pass
+pythonEnv.RelaxCompilerSettings()
 
 if pythonEnv.has_key('PYTHONINCLUDE'):
 	pythonEnv.Prepend(CPPPATH=pythonEnv['PYTHONINCLUDE'])

src/libpython/core.cpp

@@ -148,15 +148,22 @@ void appender_logProgress(Appender *appender, Float progress, const std::string
 	const std::string &formatted, const std::string &eta) {
 	appender->logProgress(progress, name, formatted, eta, NULL);
 }
+
+void logger_logProgress(Logger *logger, Float progress, const std::string &name,
+	const std::string &formatted, const std::string &eta) {
+	logger->logProgress(progress, name, formatted, eta, NULL);
+}
 	
 void mts_log(ELogLevel level, const std::string &msg) {
 	bp::object traceback(bp::import("traceback"));
 	bp::object extract_stack(traceback.attr("extract_stack"));
-	bp::object top(extract_stack()[1]);
+	bp::object stack = extract_stack();
+	bp::object top(stack[bp::len(stack)-1]);
 	Thread::getThread()->getLogger()->log(level, 
 		NULL, bp::extract<const char *>(top[0]), 
-		bp::extract<int>(top[1]),
-		"%s: %s", (const char *) bp::extract<const char *>(top[2]), msg.c_str());
+		bp::extract<int>(top[1]), "%s(): %s", 
+		(const char *) bp::extract<const char *>(top[2]), 
+		msg.c_str());
 }
 
 class AppenderWrapper : public Appender, public bp::wrapper<Appender> {
@@ -214,7 +221,7 @@ void export_core() {
 	bp::class_<Object, ref<Object>, boost::noncopyable>("Object", bp::no_init)
 		.def("getRefCount", &Object::getRefCount)
 		.def("__str__", &Object::toString);
-
+	
 	BP_CLASS(Stream, Object, bp::no_init)
 		.def("setByteOrder", &Stream::setByteOrder)
 		.def("getByteOrder", &Stream::getByteOrder)
@@ -284,9 +291,8 @@ void export_core() {
 
 	BP_CLASS(SerializableObject, Stream, bp::no_init)
 		.def("serialize", &SerializableObject::serialize);
-	
-	typedef Object* (Thread::*get_parent_type)();
 
+	Thread *(Thread::*thread_get_parent)() = &Thread::getParent;
 	BP_CLASS(Thread, Object, bp::no_init)
 		.def("getID", &Thread::getID)
 		.def("getStackSize", &Thread::getStackSize)
@@ -296,12 +302,12 @@ void export_core() {
 		.def("getCritical", &Thread::getCritical)
 		.def("setName", &Thread::setName)
 		.def("getName", &Thread::getName, BP_RETURN_CONSTREF)
-//		.def("getParent", (get_parent_type) &Thread::getParent)
-//		.def("setLogger", &Thread::setLogger)
-//		.def("getLogger", &Thread::getLogger)
-//		.def("setFileResolver", &Thread::setFileResolver)
-//		.def("getFileResolver", &Thread::getFileResolver)
-		.def("getThread", &Thread::getThread, bp::return_internal_reference<>())
+		.def("getParent", thread_get_parent, BP_RETURN_VALUE)
+		.def("setLogger", &Thread::setLogger)
+		.def("getLogger", &Thread::getLogger, BP_RETURN_VALUE)
+		.def("setFileResolver", &Thread::setFileResolver)
+		.def("getFileResolver", &Thread::getFileResolver, BP_RETURN_VALUE)
+		.def("getThread", &Thread::getThread, BP_RETURN_VALUE)
 		.def("isRunning", &Thread::isRunning)
 		.def("sleep", &Thread::sleep)
 		.def("detach", &Thread::detach)
@@ -326,6 +332,19 @@ void export_core() {
 		.def("append", &Appender::append)
 		.def("logProgress", &appender_logProgress);
 
+	Appender *(Logger::*logger_get_appender)(size_t) = &Logger::getAppender;
+	BP_CLASS(Logger, Object, bp::init<ELogLevel>())
+		.def("logProgress", logger_logProgress)
+		.def("setLogLevel", &Logger::setLogLevel)
+		.def("getLogLevel", &Logger::getLogLevel)
+		.def("setErrorLevel", &Logger::setErrorLevel)
+		.def("getErrorLevel", &Logger::getErrorLevel)
+		.def("addAppender", &Logger::addAppender)
+		.def("removeAppender", &Logger::removeAppender)
+		.def("getAppenderCount", &Logger::getAppenderCount)
+		.def("getAppender", logger_get_appender, BP_RETURN_VALUE)
+		.def("getWarningCount", &Logger::getWarningCount);
+
 	BP_CLASS(InstanceManager, Object, bp::init<>())
 		.def("serialize", &InstanceManager::serialize)
 		.def("getInstance", &instance_manager_getinstance);
@@ -410,7 +429,7 @@ void export_core() {
 		.def("__setitem__", &properties_wrapper::set)
 		.def("__contains__", &Properties::hasProperty)
 		.def("__str__", &Properties::toString);
-	
+
 	BP_SETSCOPE(properties);
 	bp::enum_<Properties::EPropertyType>("EPropertyType")
 		.value("EBoolean", Properties::EBoolean)
@@ -422,8 +441,6 @@ void export_core() {
 		.value("EString", Properties::EString)
 		.value("EData", Properties::EData)
 		.export_values();
-
-
 	BP_SETSCOPE(coreModule);
 
 	BP_STRUCT(Vector2, bp::init<>())

src/libpython/core.h

@@ -23,14 +23,17 @@
 
 #define BP_STRUCT(Name, Init) \
 	bp::class_<Name> Name ##_struct(#Name, Init); \
+	bp::register_ptr_to_python<Name*>(); \
 	Name ##_struct
 
 #define BP_CLASS(Name, Base, Init) \
 	bp::class_<Name, ref<Name>, bp::bases<Base>, boost::noncopyable> Name ##_class(#Name, Init); \
+	bp::register_ptr_to_python<Name*>(); \
 	Name ##_class
 
 #define BP_WRAPPED_CLASS(Name, Wrapper, Base, Init) \
 	bp::class_<Name, ref<Wrapper>, bp::bases<Base>, boost::noncopyable> Name ##_class(#Name, Init); \
+	bp::register_ptr_to_python<Name*>(); \
 	Name ##_class
 
 #define BP_IMPLEMENT_VECTOR_OPS(Name, Scalar, Size) \
@@ -81,7 +84,9 @@
 	} while (0);
 
 #define BP_RETURN_CONSTREF bp::return_value_policy<bp::copy_const_reference>()
-#define BP_RETURN_INTREF bp::return_internal_reference<>
+#define BP_RETURN_NONCONSTREF bp::return_value_policy<bp::copy_non_const_reference>()
+#define BP_RETURN_VALUE bp::return_value_policy<bp::return_by_value>()
+#define BP_RETURN_INTREF bp::return_internal_reference<>()
 
 namespace boost {
 	namespace python {