, . , , (rendering shading). , .
(wireframe rendering) , . , . . 2.22 , .
. 2.22.
(unlit rendering) - , . . , . . 2.23 .
. 2.23.
(flat shading) , . . , . , . . 2.24 , . , .
. 2.24. ,
(Gouraud shading) , , , . . , . , . , , . . 2.25.
. 2.25.
(Phong shading) . , , , , . . , , . , Direct3D .
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(ray-tracing) . , . , . , ( ).
, . . , Direct3D. . 2.26 , ( POV-Ray).
. 2.26. ,