Basic Knowledge Depth of Field is one of the most commonly used screen post-processing effects in games. It comes from a basic concept in photography, which refers to the range of the distance before and after the subject measured by the imaging of the front of the camera lens or other imagers that can obtain
Basic Knowledge The image is blurred using the convolution kernel calculated by the two-dimensional Gaussian function, which is expensive in real-time computing games. Some methods need to be considered to optimize acceleration and reduce the number of texture reading operations and arithmetic operations. Optimization can be done by exploiting the separable nature of the two-dimensional
Basic knowledge Gaussian Blur, also known as Gaussian Smoothing, is a classic algorithm for blurring images. To put it simply, the Gaussian blur algorithm is a process of performing a weighted average operation on the entire image. The value of each pixel is obtained by weighted averaging of itself and other pixel values in the
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