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HDR Tone Mapping Operations with Manual Exposure (Reinhard, ACES, Uchimura, AgX, Parametric Filmic)

Code Name: HdrToneMapping

Description

In this example, tone mapping operations (Reinhard, ACES, Uchimura, AgX, Parametric Filmic) have been applied using a separate post-processing pass to the final scene.

Output

Controls

Input Action
W/A/S/D Move the camera
Mouse Look around with the camera
Esc Close the window
Space Reset all values to default
Q Increase exposure value
E Decrease exposure value
0 Turn off tone mapping
1 Reinhard tone mapping
2 ACES tone mapping
3 Uchimura tone mapping
4 AgX tone mapping
5 Parametric filmic tone mapping

Application Parameters

Settings

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

Learning Objectives

  • Understanding how to implement Reinhard tone mapping algorithm
  • Understanding how to implement ACES tone mapping algorithm
  • Understanding how to implement Uchimura tone mapping algorithm
  • Understanding how to implement AgX tone mapping algorithm
  • Understanding how to implement Parametric Filmic tone mapping algorithm

Shader Status

Shader Type Status Notes
GLSL ✅
HLSL ❌ Will be implemented.
Slang ❌ Will be implemented.

Theoretical Background

None

Extensions Used

Instance

Window system-dependent extensions:

  • VK_KHR_surface
  • VK_KHR_win32_surface (Windows)

Device

  • VK_KHR_swapchain