Jan Mróz | Procedural Pixels @ProceduralPixel
Graphics Programmer, Unity game developer proceduralpixels.com Wrocław Joined September 2024-
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Tools like Unity’s Profile Analyzer help diagnose invocation hotspots by tracking call costs across many frames. #unitytips #gamedev
Sampling textures using random UVs, triplanar mapping or marching through them is slower than standard model texturing. GPUs have a simillar cache mechanism as CPUs. #gamedevtips
When you sample a texture, the GPU doesn't just load the requested texel - it fetches a small block of nearby texels and stores them in fast memory - future reads are quicker, as long as they are close to each other. ✔️Higher texture resolution = more cache misses #gamedevtips
Sometimes the bottleneck isn’t the code itself, but how often it runs. #gamedev
In Unity, use power-of-two dimensions if mipmaps are enabled. Non-POT mipmapped textures stay uncompressed in Unity. This one can be forced in the texture import settings. ✅Good: 256x256, 128x1024 ❌Bad: 512x516 with mipmaps → eats memory. #unitytips
In Unity, use image dimensions that are multiples of 4 for UI. Compression formats like DXT and ETC require this for proper block alignment. ✅Good: 220x44, 512x128, 68x52 ❌Bad: 513x256, 58x128, 125x192 → stays uncompressed - higher memory footprint #gamedevtips #unitytips
In your Unity project, if available, prefer ASTC compression for textures. It supports arbitrary resolutions and customizable compression block sizes, making it more flexible than DXT or ETC. ASTC format is available on mobile platforms - Android and iOS. #gamedev #unitytips
Planning how your data is laid out in memory before writing code helps CPUs prefetch more effectively. This reduces cache misses and speeds up your program. #gamedevtips
Excellent performance stems from steady, consistent feedback, not panic fixes. Open the profiler. Have a conversation. Do it every week. #gamedevtips #profiling #optimization
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