relief map support, small refactoring, shadow bias now based on geometry normal

src/core/render/renderer.h

@@ -85,6 +85,7 @@ public:
 		dbrMetalRoughReflectFlags,
 		dbrEmission,
 		dbrSpeedBitangXY,
+		dbrGeoNormal,
 
 		dbrNormalZSolid,
 		dbrMetalRoughReflectFlagsSolid,
@@ -155,7 +156,7 @@ private:
 	QMap<int, QList<Light *>> cur_lights;
 	QVector<FramebufferEffectBase *> fb_effects;
 	QImage last_img;
-	QString timings;
+	QString obr_defines, timings;
 	bool is_grabbing = false;
 };