Logging to with a ringbuffer. Much faster.

src/xenia/base/ring_buffer.cc

@@ -15,7 +15,7 @@
 namespace xe {
 
 RingBuffer::RingBuffer(uint8_t* buffer, size_t capacity)
-    : buffer_(buffer), capacity_(capacity), read_offset_(0), write_offset_(0) {}
+    : buffer_(buffer), capacity_(capacity) {}
 
 size_t RingBuffer::Read(uint8_t* buffer, size_t count) {
   count = std::min(count, capacity_);
@@ -37,7 +37,7 @@ size_t RingBuffer::Read(uint8_t* buffer, size_t count) {
   return count;
 }
 
-size_t RingBuffer::Write(uint8_t* buffer, size_t count) {
+size_t RingBuffer::Write(const uint8_t* buffer, size_t count) {
   count = std::min(count, capacity_);
   if (!count) {
     return 0;