{"id":18466223,"url":"https://github.com/harskish/fluctus","last_synced_at":"2025-06-26T01:04:31.083Z","repository":{"id":90821868,"uuid":"95447412","full_name":"harskish/fluctus","owner":"harskish","description":"An interactive OpenCL wavefront path tracer","archived":false,"fork":false,"pushed_at":"2024-06-04T19:21:27.000Z","size":95132,"stargazers_count":78,"open_issues_count":1,"forks_count":16,"subscribers_count":5,"default_branch":"master","last_synced_at":"2025-04-08T08:46:23.876Z","etag":null,"topics":["global-illumination","gpu","graphics","opencl","path-tracer","path-tracing","pathtracing","raytracing","rendering"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/harskish.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE.md","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2017-06-26T13:07:22.000Z","updated_at":"2025-02-24T04:22:06.000Z","dependencies_parsed_at":"2025-04-08T08:43:44.054Z","dependency_job_id":null,"html_url":"https://github.com/harskish/fluctus","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/harskish/fluctus","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/harskish%2Ffluctus","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/harskish%2Ffluctus/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/harskish%2Ffluctus/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/harskish%2Ffluctus/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/harskish","download_url":"https://codeload.github.com/harskish/fluctus/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/harskish%2Ffluctus/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":261978911,"owners_count":23239417,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["global-illumination","gpu","graphics","opencl","path-tracer","path-tracing","pathtracing","raytracing","rendering"],"created_at":"2024-11-06T09:15:44.412Z","updated_at":"2025-06-26T01:04:31.033Z","avatar_url":"https://github.com/harskish.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"Fluctus\n====================\n\nOpenCL wavefront path tracer\n--------------\n\n![Country Kitchen](gallery/kitchen2.png)\n\n## Features\n- Physically based renderer\n    - PBRT and OBJ scenefiles\n    - Lambertian, glossy, ideal specular, and microfacet ([GGX][ggx]) BSDFs\n    - Multiple importance sampled environment maps (alias method)\n- [Wavefront path tracing][wavefront] at interactive framerates\n    - Two implementations, one tuned for latency and the other for throughput\n    - Optimized structure of arrays data layout\n    - Efficient BVH with [spatial splits][sbvh]\n- OptiX AI denoiser (on supported NVIDIA hardware)\n    - Requires OptiX 7, CUDA 10.1+, driver 435.80+\n- Supports a wide variety of systems\n    - Cross-platform (Windows, MacOS, Linux)\n    - NVIDIA, AMD and Intel GPUs and CPUs\n    - CPU debugging with [Intel's OpenCL SDK][intel_ocl]\n- Nanogui-based [user interface](gallery/user_interface.png)\n    - Uses only modern OpenGL (3.3+)\n- Uses [CLT][clt] for convenience and robustness\n\t\n\n\n## Usage\n\nRename settings_default.json to settings.json. Modify to set default OpenCL device, render scale, window dimensions etc.\n\n### Controls\n\n| Key                     | Action                                                                                |\n|-------------------------|---------------------------------------------------------------------------------------|\n| **W / A / S / D**       | Move camera (up/down with R/F)                                                        |\n| **Mouse left**          | Look around                                                                           |\n| **Mouse right**         | Pick DoF focal depth (after setting aperture size)                                    |\n| **Scroll Up / Down**    | Adjust movement speed                                                                 |\n| **Space**               | Place area light                                                                      |\n| **F1**                  | Reset camera                                                                          |\n| **F2**                  | Save camera/area light state                                                          |\n| **F3**                  | Load saved state                                                                      |\n| **F5**                  | Export image                                                                          |\n| **F6**                  | Toggle OptiX Denoiser (if built)                                                      |\n| **H**                   | Toggle light sources (environment/area/both)                                          |\n| **I / K**               | Adjust max bounces                                                                    |\n| **Z / X**               | Adjust environment map emission                                                       |\n| **L**                   | Open scene selector                                                                   |\n| **M**                   | Switch sampling mode                                                                  |\n| **U**                   | Toggle UI                                                                             |\n| **Page Up / Down**      | Adjust area light emission                                                            |\n| **1-5**                 | Select scene 1-5 (if set in settings.json)                                            |\n| **7**                   | Switch metween microkernel/wavefront                                                  |\n| **8 / 9**               | Change area light size                                                                |\n| **, / .**               | Change FOV                                                                            |\n\n## Build\n\nSee the [build instructions](./BUILDING.md).\n\nGallery\n--------\n![Dining Room](gallery/dining_room.png)\n--------\n![San Miguel](gallery/san_miguel.png)\n--------\n![Classroom](gallery/ChristopheSeuxClassRoom.png)\n--------\n![Spaceship](gallery/spaceship.png)\n--------\n![DOF](gallery/dof.png)\n\n## License\n\nSource code and resources provided under the [MIT LICENSE](./LICENSE.md), unless otherwise specified.\n\n\n[intel_ocl]: https://software.intel.com/intel-opencl\n[wavefront]: http://research.nvidia.com/publication/megakernels-considered-harmful-wavefront-path-tracing-gpus\n[sbvh]: https://www.nvidia.com/docs/IO/77714/sbvh.pdf\n[ggx]: https://doi.org/10.2312/EGWR/EGSR07/195-206\n[clt]: https://github.com/harskish/CLT\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fharskish%2Ffluctus","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fharskish%2Ffluctus","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fharskish%2Ffluctus/lists"}