Real-time rendering of outdoor surface occlusion removal and acceleration method based on depth map
A real-time drawing and occlusion removal technology, applied in the field of computer graphics, can solve the problems of imperfect occlusion, many restrictions, time-consuming, etc., and achieve the effect of real-time drawing and good occlusion effect
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[0033] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0034] Occlusion culling means that when an object is blocked by other objects and is no longer within the visible range of the camera, it is not rendered. It is not automatically processed in 3D graphics processing. Using this occlusion culling technology in the scene can be compared with Use this technology to increase the frame rate by about 50, so try to add occlusion technology to the game engine. The technical solution of the present invention provides a occlusion method based on a depth map, and the specific steps are as follows: Figure 8 Shown:
[0035] First: draw the current scene, and save the depth value of the scene into a depth map through the accele...
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