HdrTemperatureAdjustment

HDR White Balance and Color Temperature Adjustment

Code Name: HdrTemperatureAdjustment

Description

This example demonstrates scene-referred chromatic adaptation applied to the linear HDR scene color before tone mapping, with adjustable color temperature green/magenta tint. Two inverse modes are provided: White Balance and Color Temperature.

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
0	Turn of temperature mode
1	White balance setting mode
2	Color temperature setting mode
Q	Increase exposure value
E	Decrease exposure value
R	Increase temperature value
F	Decrease temperature value
T	Increase tint value
G	Decrease tint value

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 white balance and color temperature post-processing effect on HDR scene color

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