vertexcodec: Only output bit consistency data in verbose traces

These clutter the view and are not as useful as the other data, as it
doesn't depend on encoding choices we're making. To make verbose traces
easier to access, add tracev config (which is useful for simplifier as
well).

Makefile

@@ -79,6 +79,10 @@ ifeq ($(config),trace)
 	CXXFLAGS+=-DTRACE=1
 endif
 
+ifeq ($(config),tracev)
+	CXXFLAGS+=-DTRACE=2
+endif
+
 ifeq ($(config),release)
 	CXXFLAGS+=-O3 -DNDEBUG
 endif

src/vertexcodec.cpp

@@ -1690,11 +1690,13 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
 			    double(vsk.ctrl[2]) / double(total_ctrl) * 100, double(vsk.ctrl[3]) / double(total_ctrl) * 100);
 		}
 
+#if TRACE > 1
 		printf(" |\tbitc [%3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%% %3.0f%%]",
 		    double(vsk.bitc[0]) / double(vertex_count) * 100, double(vsk.bitc[1]) / double(vertex_count) * 100,
 		    double(vsk.bitc[2]) / double(vertex_count) * 100, double(vsk.bitc[3]) / double(vertex_count) * 100,
 		    double(vsk.bitc[4]) / double(vertex_count) * 100, double(vsk.bitc[5]) / double(vertex_count) * 100,
 		    double(vsk.bitc[6]) / double(vertex_count) * 100, double(vsk.bitc[7]) / double(vertex_count) * 100);
+#endif
 
 		printf("\n");
 	}