The dynamic resolution FPS target is the specific frame rate value that a rendering system attempts to maintain by dynamically adjusting the rendering resolution during gameplay.
Dynamic resolution is a Camera setting that allows you to dynamically scale individual render targets, to reduce workload on the GPU. This technique is employed to prevent significant drops in frame rate when the GPU is under heavy load. In cases where the application's frame rate reduces, you can gradually scale down the resolution to maintain a consistent frame rate instead.
The core idea is to sacrifice visual fidelity (resolution) slightly or significantly to keep the game feeling smooth and responsive. The "FPS target" is the threshold or goal frame rate (e.g., 60 FPS, 30 FPS) that the system aims to hit. When the actual frame rate drops below this target, the dynamic resolution system is triggered to lower the resolution, thereby reducing the GPU workload and hopefully bringing the frame rate back up towards the target.
How Dynamic Resolution Works with an FPS Target
- Monitoring: The system continuously monitors the current frame rate.
- Comparison: It compares the current frame rate to the defined FPS target.
- Adjustment:
- If the frame rate drops below the target, the system lowers the rendering resolution (e.g., from 100% to 90% or less). This reduces the number of pixels the GPU has to render.
- If the frame rate goes significantly above the target (indicating headroom), the system might increase the rendering resolution back towards the maximum.
- Goal: The goal is to keep the frame rate fluctuating around the target value, rather than dropping drastically during demanding scenes.
Benefits of Using an FPS Target with Dynamic Resolution
- Consistent Performance: Helps maintain a smoother gameplay experience despite varying scene complexity.
- Reduced Stutter: Minimizes jarring frame rate drops that can pull players out of the experience.
- Optimized Resource Usage: Allows the game to push visuals when possible but scale back efficiently when needed, making the most of the hardware.
Examples of FPS Targets
Different games and platforms might target different frame rates based on their design goals and hardware capabilities.
| Platform / Game Type | Common FPS Target | Notes |
|---|---|---|
| PC Gaming | 60 FPS or higher | Often depends on user hardware/settings |
| Console Gaming | 30 FPS, 60 FPS | Depends on specific console generation/game |
| Mobile Gaming | 30 FPS, 60 FPS | Varies widely by device and game type |
Setting an appropriate FPS target is crucial for dynamic resolution to function effectively, balancing visual quality and performance.
