gl 库
绘制几何图形
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glVertex
glVertexPointer
glArrayElement
glBegin , glEnd
glEdgeFlag , glEdgeFlagv
glPointSize
glLineWidth
glLineStipple
glPolygonMode
glFrontFace
glPolygonStipple
glDrawElements
glRect
坐标转换
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glTranslate
glRotate
glScale
glViewPoint
glFrustum
glOrtho
glClipPlane
堆栈操作
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glLoadMatrix
glMultMatrix
glMatrixMode
glPushMatrix , glPopMatrix
glPushAttrib , glPopAttrib
glPushName , glPopName
glInitName
glLoadName
显示列表
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glNewList , glEndList
glCallList
glCallLists
glGenLists
glDeleteLists
glIsList
使用光照和材质
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glNormal
glNormalPointer
glLight
glLightModel
glMaterial
glColorMaterial
像素操作
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glRasterPos
glBitmap
glReadPixels
glDrawPixels
