These shaders attempt to fix the "jaggies" (stair-step edges) seen in 3D polygons when the resolution is increased.
(Scale by Rules) is a pixel-art scaling algorithm. citra shader
// Helper: RGB to luminance float luminance(vec3 color) return dot(color, vec3(0.299, 0.587, 0.114)); These shaders attempt to fix the "jaggies" (stair-step
You don't need to be a coder to tweak a shader. Open a sharpening.glsl file in Notepad. Look for: citra shader