應打開隔行處理。用PS打開png圖片后在保存時，把交錯選項勾選“無”。

PNG lib warning : Interlace handling should be turned on when using png_read_image
VERTEX glCompileShader "" FAILED
VERTEX Shader "" infolog:
0(6) : error C5060: out can't be used with non-varying texCoord

0(6) : error C5060: out can't be used with non-varying texCoord

(0) : error C2003: incompatible options for link

Warning: detected OpenGL error 'invalid operation' at after pcp->apply(Unfiorm&) in GLObjectsVisitor::apply(osg::StateSet& stateset), unifrom name: tile_xyz

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