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ATTÉNUATION DE LA TEXTURE POUR PERMETTRE DES TRANSITIONS DOUCES DU NIVEAU DE DÉTAIL DANS UNE APPLICATION GRAPHIQUE
ATTÉNUATION DE LA TEXTURE POUR PERMETTRE DES TRANSITIONS DOUCES DU NIVEAU DE DÉTAIL DANS UNE APPLICATION GRAPHIQUE
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摘要
Systems and methods for providing smooth level of detail ("LOD") transition for textures in a graphics applications are disclosed. The texture LOD of a first frame of imagery can be compared to a second texture LOD for a current frame. For areas where the second LOD is higher than the first LOD, an LOD fade from the first LOD to the second LOD can be performed to provide a smooth LOD transition. The LOD fade can be implemented by generating a blend between textures at the first LOD and the second LOD. In one aspect, the blend is generated based on an interpolant value calculated based on the difference between the first LOD and the second LOD. The interpolant value can be incremented in subsequent frames to achieve a desired fade rate for the transition. The fade rate can be variable such that the LOD transition time remains constant.
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