Shader Stories: Edge Detection with Convolution Filters

Adding edge detection to a render texture in Unity by using compute shaders to process Sobel filters.

1. Introduction
2. VideoPlayer component and setup
3. Image convolution introduction
4. Sobel filters
5. Shader introduction and greyscale
6. Sobel filter shaders
7. Running shaders
8. Combining Sobel filters
9. Thresholding
10. Overlaying the edge detection