https://github.com/hanetakachou/ray-traced-ambient-occlusion

Ray Traced Ambient Occlusion
https://github.com/hanetakachou/ray-traced-ambient-occlusion

ambient-occlusion ambientocclusioin bent-normals dxr ray-tracing raytracing rtx ssao

Last synced: 6 months ago
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Ray Traced Ambient Occlusion

• Host: GitHub
• URL: https://github.com/hanetakachou/ray-traced-ambient-occlusion
• Owner: HanetakaChou
• License: lgpl-3.0
• Created: 2023-11-20T11:52:34.000Z (over 1 year ago)
• Default Branch: master
• Last Pushed: 2024-11-19T13:31:11.000Z (6 months ago)
• Last Synced: 2024-11-19T14:36:49.952Z (6 months ago)
• Topics: ambient-occlusion, ambientocclusioin, bent-normals, dxr, ray-tracing, raytracing, rtx, ssao
• Language: C++
• Homepage: https://hanetakachou.github.io/index?file=Rendering/Ray-Tracing/Ray-Traced-Ambient-Occlusion.md
• Size: 562 KB
• Stars: 3
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
## RTAO (Ray Traced Ambient Occlusion)  

[![build windows](https://github.com/HanetakaChou/Ray-Traced-Ambient-Occlusion/actions/workflows/build-windows.yml/badge.svg)](https://github.com/HanetakaChou/Ray-Traced-Ambient-Occlusion/actions/workflows/build-windows.yml)  

[![build linux](https://github.com/HanetakaChou/Ray-Traced-Ambient-Occlusion/actions/workflows/build-linux.yml/badge.svg)](https://github.com/HanetakaChou/Ray-Traced-Ambient-Occlusion/actions/workflows/build-linux.yml)  

[![build android](https://github.com/HanetakaChou/Ray-Traced-Ambient-Occlusion/actions/workflows/build-android.yml/badge.svg)](https://github.com/HanetakaChou/Ray-Traced-Ambient-Occlusion/actions/workflows/build-android.yml)  

![](Demo-Windows-PIX-GBuffer-Pass.png)  

![](Demo-Windows-PIX-Ambient-Occlusion-Pass.png)  

```mermaid  

graph TD

    CPU_Write_Upload["CPU Write Upload"]

    Asset_Vertex_Index_Buffer["Asset Vertex Position Buffer
 Asset Vertex Varying Buffer
 Asset Index Buffer"]

    Geometry_Data_Upload_Buffer["Geometry Data Upload Buffer"]

    Instance_Data_Upload_Buffer["Instance Data Upload Buffer"]

    Acceleration_Structure_Instance_Upload_Buffer["Acceleration Structure Instance Upload Buffer"]

    Acceleration_Structure_Pass[" ╔ ╦ ╗ ╠ Acceleration Structure Pass ╣  ╚ ╩ ╝ "]

    Top_Level_Acceleration_Structure["Top Level Acceleration Structure"]

    GBuffer_Pass[" ╔ ╦ ╗ ╠ (Ray Traced) GBuffer Pass ╣  ╚ ╩ ╝ "]

    GBuffer_Depth_Image["GBuffer Depth Image"]

    GBuffer_Normal_Image["GBuffer Normal Image"]

    Ambient_Occlusion_Pass[" ╔ ╦ ╗ ╠ (Ray Traced) Ambient Occlusion Pass ╣  ╚ ╩ ╝ "]

    Ambient_Occlusion_Image["Ambient Occlusion Image" ]

    Full_Screen_Transfer_Pass["Full Screen Transfer Pass"]

    Swap_Chain_Image["Swap Chain Image"]

    

    CPU_Write_Upload -->|"Frame Throttling Index"| Geometry_Data_Upload_Buffer

    CPU_Write_Upload -->|"Frame Throttling Index"| Instance_Data_Upload_Buffer

    CPU_Write_Upload -->|"Frame Throttling Index"| Acceleration_Structure_Instance_Upload_Buffer

    Acceleration_Structure_Instance_Upload_Buffer --> Acceleration_Structure_Pass

    Acceleration_Structure_Pass --> Top_Level_Acceleration_Structure

    Top_Level_Acceleration_Structure --> GBuffer_Pass

    Asset_Vertex_Index_Buffer --> GBuffer_Pass

    Geometry_Data_Upload_Buffer --> GBuffer_Pass

    Instance_Data_Upload_Buffer --> GBuffer_Pass

    GBuffer_Pass --> GBuffer_Depth_Image

    GBuffer_Pass --> GBuffer_Normal_Image

    Top_Level_Acceleration_Structure --> Ambient_Occlusion_Pass

    GBuffer_Depth_Image --> Ambient_Occlusion_Pass

    GBuffer_Normal_Image --> Ambient_Occlusion_Pass

    Ambient_Occlusion_Pass --> Ambient_Occlusion_Image

    Ambient_Occlusion_Image --> Full_Screen_Transfer_Pass

    Full_Screen_Transfer_Pass --> Swap_Chain_Image

```