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提出一种基于硬件加速的算法,在实时图形应用中非侵入式地获得各种风格化渲染特效.通过实时地截获OpenGLAPI函数调用,修改了常规的渲染流程.该算法完全采用硬件加速的方法,在图形处理器中对颜色缓冲区和深度缓冲区进行后处理;同时采用OpenGL绘制语言作为高级绘制语言,从而可以和其他硬件加速算法(如置换式贴图、矩阵调色盘变形等)完全兼容.实验结果表明:文中算法适用于交互式非真实感渲染的应用,可以作为一种风格化渲染的强有力的工具.
A hardware-based acceleration algorithm is proposed to obtain all kinds of stylized rendering effects non-invasively in real-time graphics applications.Through the interception of OpenGLAPI function calls in real time, the conventional rendering process is modified.This algorithm uses hardware-accelerated method, Color buffers and depth buffers are reprocessed in the graphics processor; the OpenGL drawing language is also used as a high-level drawing language and is fully compatible with other hardware acceleration algorithms such as displacement maps, matrix palette transforms, and more. The experimental results show that the proposed algorithm is suitable for interactive non-photorealistic rendering and can be used as a powerful tool for stylized rendering.