Modern GPUs support modern texture formats, e.g. When my clients work with me, I always walk them through three important factors: The list of texture compression formats is huge and overwhelming. The (More) Advanced Topics of Texture Compression Choosing Your Unity Texture Formats Nothing a professional developer should ignore. We are talking about savings of up to 80% in memory here. And therefore improve your GPU performance.To reduce the memory bandwidth your GPU requires to fetch your texels during fragment shading.Reduce the size of your textures (in SSD, RAM, VRAM).Like I described earlier, the idea behind texture compression in Unity is simple: The result is that we need GPU-specific compression formats that work with groups/clusters/blocks of texels.
However, PNG’s and alike are compressed with global information, which makes random access hard/inefficient. The reason being: your GPU needs random access to your textures, as fragment shaders often enough only require some texels and not all of them. Example of Texture Compression (Source: What is Texture Compression?īefore you say something like ” I already compress my textures with png/jpg”, let me tell you: your GPU won’t swallow these formats.
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