内部三维引擎遇到的一些问题的文档



  • Known issues for Auto 3D ( By autoio.cn )

    1. Accidentally, dynamic_lines and regular models cannot be present at the same time.

    Resolve hint: Check OpenGL state changes, such as glEnable( GL_TEXTURE ), then the running procedure.

    1. There is some difference between board and personal computer.
      This is due to differences among the graphic cards. Try use glGetString to query more information about each graphic card.

    Resolve hint: Trying to discover the inherent features among the graphic cards, and using conditional compilation.

    1. Frame per count( i.e. FPS ) is low in board in some situation. Complex scene can consume much more resources and performs bad on the board.

    Resolve hint: Use less vertex, use small viewport, texture, disable MSAA when necessary.

    1. Tearing at texture mapping
      There are three kinds of tearing, one is due to the fact, texture coordinate exported incorrectly in modeling tools such as Blender, the other is vertex topology differs between modelling tools and rendering engine. in Auto 3D we only support triangles rendering, rectangle strip and rectangle fan rendering not supported. Another is assimp version differs between PC and boarding, we usually export assimp 3.2 to be board, and usually 3.3 in PC.

    Resolve hint: Resolve according to the diagnosis.


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