parallel-sort.md

FidelityFX Parallel Sort

This sample demonstrates the use of the FidelityFX Parallel Sort effect.

For details on the technique that underpins the FidelityFX Parallel Sort effect you can refer to the respective technique documentation.

Requirements

• Windows
• DirectX(R)12
• Vulkan(R)

UI elements

The sample contains various UI elements to help you explore the technique it demonstrates. The table below summarises the UI elements and what they control within the sample.

Element name	Value	Description
Buffer Resolution	1920x1080, 2560x1440, 3840x2160	Toggles between the various key buffer sizes to sort through.
Render Sorted Keys	Checked/Unchecked	Toggles the output buffer to show in the validation step. Unchecked renders the unsorted buffer, checked renders the image with the sorted keys.
Sort Playload	Checked/Unchecked	Toggles whether we are only sorting keys, or also sorting an accompanying payload.
Use Indirect Execution	Checked/Unchecked	Toggles between direct and indirect compute execution of the sort algorithm.

Sample controls and configurations

For sample controls, configuration, and FidelityFX Cauldron Framework UI element details, see Running the samples.

See also

• FidelityFX Parallel Sort
• FidelityFX Naming guidelines