關於「glError 0x506」標籤，搜尋引擎有相關的訊息討論：

Opengl GL_QUADS produces error 0x506 - c++ - Stack Overflowstackoverflow.com › questions › opengl-gl-quads-produce...J722SXH01EVM: After calling glClear, glGetError returns 0x506e2e.ti.com › support › processors › processors-forum › j72...GL error 0x506 with C99/SDL2 on OS X ·