Hybrid Reflections

Hybrid Reflections Sample

This sample shows how to combine AMD FidelityFX® Stochastic Screen Space Reflections (SSSR) with ray tracing in order to create high quality reflections.

Get the first version now - v1.0

This release adds the following:

  • Just released!

Features

  • Hybrid Reflections
    • Uses FidelityFX SSSR to replace ray tracing intersection tests.
    • Reshades re-projected pixels for accurate material evaluation.
    • Supports lower resolution reflections using FidelityFX Super Resolution (FSR) 1.0 upscaling.
    • Uses per-pixel feedback to reduce hybridization cost.
  • Ray-traced reflections.
  • FidelityFX reflection denoiser.
Shadow Denoiser

AMD FidelityFX – Denoiser

AMD FidelityFX Denoiser is a set of denoising compute shaders which remove artefacts from reflection and shadow rendering.

Debug view

Left side: The hybrid stochastic reflections composited into the final scene.

Right side: Debug visualization which shows which pixels have their reflections calculated by ray tracing, screen space reflections, or a mix of the two.

Using hybrid stochastic reflections, decals which are rendered in screen space (and not present in the BVH) may be included in the reflections.

Screen space reflection

DXR ray

Screen space reflection, followed by DXR ray

No reflections

Screen space reflection

DXR ray

Screen space reflection, followed by DXR ray

No reflections

Requirements

  • A graphics card with Direct3D® 12 and DXR support.
  • Windows® 10 (64-bit recommended).
  • Visual Studio® 2019 with Visual C++® and the Windows® 10 SDK installed.

Related to Hybrid Reflections

Hybrid Shadows

Hybrid Shadows Sample

This sample demonstrates how to combine ray traced shadows and rasterized shadow maps together to achieve higher quality and performance.

Shadow Denoiser

AMD FidelityFX – Denoiser

AMD FidelityFX Denoiser is a set of denoising compute shaders which remove artefacts from reflection and shadow rendering.

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