Text rendering working ok.

src/fonts/FontGlyph.cpp

@@ -5,9 +5,9 @@ FontGlyph::FontGlyph(unsigned width, unsigned height, unsigned bearingX, unsigne
     : mImage(std::move(image)),
       mWidth(width),
       mHeight(height),
-      mBearingX(mBearingX),
-      mBearingY(mBearingY),
-      mAdvanceX(mAdvanceX)
+      mBearingX(bearingX),
+      mBearingY(bearingY),
+      mAdvanceX(advanceX)
 {
 
 }