Rewrite Camera, add CpuTimer, various fixes
Camera
- Extract projection logic into new class
Lens - Extract positioning logic into new class
Handle - Rewrite
Camera, now just a thin class containing Lens + Handle, with some passthrough - Rewrite smoothing logic to fix orbiting
- Addresses #4 (closed) and #5 (closed)
- Extract camera utilities to free functions in
CameraUtils
Timing
- Add CpuTimer, a simple,
<chrono>-based timer - Replaces PerformanceTimer in GlfwApp
- PerformanceTimer deleted
Pipeline
- Fix uninitialized members in StageCamera
- Fix shadow acne by reintroducing depth biasing
- Add 3D LUT-based color correction