Code Name: HistogramBasedAutoExposure
In this example, a histogram-based auto exposure has been applied by building a luminance histogram of the HDR scene and deriving the exposure value from its percentile-filtered average before the tone mapping pass.
| Input | Action |
|---|---|
| W/A/S/D | Move the camera |
| Mouse | Look around with the camera |
| Esc | Close the window |
| 1 | Reinhard tone mapping |
| 2 | ACES tone mapping |
| 3 | Uchimura tone mapping |
| 4 | AgX tone mapping |
| Z | Decrease low percentile value |
| X | Increase low percentile value |
| C | Decrease high percentile value |
| V | Increase high percentile value |
| Parameter / Key | Type | Usage in Code | Description | Default Value |
|---|---|---|---|---|
| AppSettings.ClearColor | VkClearColorValue | AppSettings::ClearColor | Background color of the screen | |
| AppSettings.MouseSensitivity | float | AppSettings::MouseSensitivity | Mouse sensitivity value | |
| AppSettings.CameraSpeed | float | AppSettings::CameraSpeed | Speed of the camera |
- Histogram-based auto exposure calculation
| Shader Type | Status | Notes |
|---|---|---|
| GLSL | ✅ | |
| HLSL | ❌ | Will be implemented. |
| Slang | ❌ | Will be implemented. |
None
Window system-dependent extensions:
- VK_KHR_surface
- VK_KHR_win32_surface (Windows)
- VK_KHR_swapchain