Cycles: Log requested device features

Useful to have this always logged because otherwise it's needed to remove cached
kernels and check build flags to see which features are enabled.

1 files changed, 23 insertions, 0 deletions

diff --git a/intern/cycles/device/device.cpp b/intern/cycles/device/device.cpp
index 5cad8e1b49c..fc9959e0b48 100644
--- a/intern/cycles/device/device.cpp
+++ b/intern/cycles/device/device.cpp
@@ -31,6 +31,29 @@
 
 CCL_NAMESPACE_BEGIN
 
+/* Device Requested Features */
+
+std::ostream& operator <<(std::ostream &os,
+                          const DeviceRequestedFeatures& requested_features)
+{
+	os << "Experimental features: "
+	   << (requested_features.experimental ? "On" : "Off") << std::endl;
+	os << "Max closure count: " << requested_features.max_closure << std::endl;
+	os << "Max nodes group: " << requested_features.max_nodes_group << std::endl;
+	/* TODO(sergey): Decode bitflag into list of names. */
+	os << "Nodes features: " << requested_features.nodes_features << std::endl;
+	/* TODO(sergey): Make it utility function to convert bool to string. */
+	os << "Use hair: "
+	   << (requested_features.use_hair ? "True" : "False")  << std::endl;
+	os << "Use object motion: "
+	   << (requested_features.use_object_motion ? "True" : "False")  << std::endl;
+	os << "Use camera motion: "
+	   << (requested_features.use_camera_motion ? "True" : "False")  << std::endl;
+	os << "Use Baking: "
+	   << (requested_features.use_baking ? "True" : "False")  << std::endl;
+	return os;
+}
+
 /* Device */
 
 Device::~Device()