Panini Projection

panini projection shader which will reduce motion sick. Panini projection reduces image distortion at the edges of the screen when using high FOV setting
this projection is based on the shader ‘anti aliasing(taa faa)’.
这是一款能够减轻晕动症的Panini投影着色器. Panini投影可以减少屏幕边缘图像的变形. 基于’anti aliasing(taa faa)’着色器实现。