OSX-specific python plugin improvements; minor cleanups

include/mitsuba/render/skdtree.h

@@ -425,11 +425,11 @@ protected:
 			its.hasUVPartials = false;
 			its.primIndex = cache->primIndex;
 			its.instance = NULL;
+			its.time = ray.time;
 		} else {
 			shape->fillIntersectionRecord(ray,
 				reinterpret_cast<const uint8_t*>(temp) + 8, its);
 		}
-		its.time = ray.time;
 	}
 
 	/// Plain shadow ray query (used by the 'instance' plugin)

src/libcore/fresolver.cpp

@@ -26,7 +26,9 @@ FileResolver::FileResolver() {
 	}
 #elif defined(__OSX__)
 	MTS_AUTORELEASE_BEGIN()
-	prependPath(__mts_bundlepath());
+	fs::path path = __mts_bundlepath();
+	if (path.filename() != fs::path("Python.app"))
+		prependPath(path);
 	MTS_AUTORELEASE_END()
 #elif defined(__WINDOWS__)
 	std::vector<WCHAR> lpFilename(MAX_PATH);

src/libpython/core.cpp

@@ -19,12 +19,15 @@
 #include <mitsuba/core/sshstream.h>
 #include <mitsuba/render/scenehandler.h>
 #include <mitsuba/render/scene.h>
+#include <boost/algorithm/string.hpp>
 
 #if defined(__LINUX__)
 # if !defined(_GNU_SOURCE)
 #  define _GNU_SOURCE
 # endif
 # include <dlfcn.h>
+#elif defined(__OSX__)
+# include <mach-o/dyld.h>
 #endif
 
 using namespace mitsuba;
@@ -53,8 +56,17 @@ void initializeFramework() {
 		if (info.dli_fname)
 			sharedLibraryPath = fs::path(info.dli_fname);
 	#elif defined(__OSX__)
-
+		uint32_t imageCount = _dyld_image_count();
+		for (uint32_t i=0; i<imageCount; ++i) {
+			const char *imageName = _dyld_get_image_name(i);
+			if (boost::ends_with(imageName, "mitsuba.so"))
+				sharedLibraryPath = fs::path(imageName);
+		}
 	#endif
+
+	if (!sharedLibraryPath.empty())
+		Thread::getThread()->getFileResolver()->prependPath(
+			sharedLibraryPath.parent_path().parent_path().parent_path());
 }
 
 void shutdownFramework() {

src/librender/scene.cpp

@@ -738,7 +738,6 @@ bool Scene::rayIntersectAll(const Ray &ray, Intersection &its) const {
 		const Shape *shape = m_specialShapes[i].get();
 
 		if (shape->rayIntersect(ray, mint, maxt, tempT, buffer)) {
-			its.time = ray.time;
 			its.t = tempT;
 			shape->fillIntersectionRecord(ray, buffer, its);
 			result = true;

src/shapes/cylinder.cpp

@@ -222,6 +222,7 @@ public:
 		its.wi = its.toLocal(-ray.d);
 		its.hasUVPartials = false;
 		its.instance = NULL;
+		its.time = ray.time;
 	}
 
 	void samplePosition(PositionSamplingRecord &pRec, const Point2 &sample) const {

src/shapes/disk.cpp

@@ -190,6 +190,7 @@ public:
 		its.wi = its.toLocal(-ray.d);
  		its.hasUVPartials = false;
 		its.instance = NULL;
+		its.time = ray.time;
 	}
 
 	ref<TriMesh> createTriMesh() {

src/shapes/hair.cpp

@@ -843,6 +843,7 @@ void HairShape::fillIntersectionRecord(const Ray &ray,
 	its.wi = its.toLocal(-ray.d);
 	its.hasUVPartials = false;
 	its.instance = this;
+	its.time = ray.time;
 }
 
 ref<TriMesh> HairShape::createTriMesh() {

src/shapes/rectangle.cpp

@@ -164,6 +164,7 @@ public:
 		its.wi = its.toLocal(-ray.d);
  		its.hasUVPartials = false;
 		its.instance = NULL;
+		its.time = ray.time;
 	}
 
 	ref<TriMesh> createTriMesh() {

src/shapes/sphere.cpp

@@ -251,6 +251,7 @@ public:
  		its.wi = its.toLocal(-ray.d);
  		its.hasUVPartials = false;
 		its.instance = NULL;
+		its.time = ray.time;
 	}
 
 	void samplePosition(PositionSamplingRecord &pRec, const Point2 &sample) const {