Fixed scoring.

src/bgfx.cpp

@@ -1813,6 +1813,15 @@ namespace bgfx
 						score += RendererType::Direct3D12 == renderer ? -100 : 0;
 					}
 				}
+				else if (BX_ENABLED(BX_PLATFORM_LINUX) )
+				{
+					score += RendererType::OpenGL   == renderer ? 20 : 0;
+					score += RendererType::OpenGLES == renderer ? 10 : 0;
+				}
+				else if (BX_ENABLED(BX_PLATFORM_OSX) )
+				{
+					score += RendererType::OpenGL   == renderer ? 20 : 0;
+				}
 				else if (BX_ENABLED(0
 					 ||  BX_PLATFORM_ANDROID
 					 ||  BX_PLATFORM_EMSCRIPTEN