Files
sbox-public/game
Sam Pavlovic d753fa0e24 Vulkan Raytracing Support (#2409)
* Re-enable CreateBLAS in RenderDeviceVulkan

* Update SPVRemapper to suppot raytracing opcode remapping

* Null initialize BLAS on RenderMesh

* Clean proper to generate BLAS on mesh data loading

* SceneRaytracingSystem stub

* Glue SceneRaytracing

* Remove pipelines from SceneRaytracing for now, just do TLAS, tie it to SceneRaytracingSystem, updates only once per frame just like how we want in a clean way
https://files.facepunch.com/sampavlovic/1b0611b1/ngfx-ui_Ck3ckzQQFT.png

* Send Descriptor Set of Raytracing World to RenderAttribute

* RTAO example using RayQuery

* RayTracingShader API stub

* Set SM6.0 and dxlevel 120 as default

* Instead of making raytracing opt-in, add -nogpuraytracing to force disable it

* Add IRenderDevice::IsRayTracingSupported() to easily query support for it

* Fix IsRayTracingSupported()

* RTAO Adjustments

* Allow Rayquery through AS on Compute and Pixel shaders even if not optimal, avoids it crashing when acessing it on compute

* Strip CRaytraceSceneWorld to just generating TLAS, dont need anything else for now and we need a better way to handle UGC than what's there

* Bindless::RaytracingAccelerationStructure()

* Simplify interface too

* Stub for UpdateSkinnedForRaytracing

* Dotnet format and fix documentation, make RTAO run at correct stage

* Only support raytracing in tools mode for now

* Move raytracing stuff to Raytracing.hlsl

* Stub RTX shader

* Internal Raytracingshader and remove useless stuff exposed from it

* VfxProgramHasRenderShader should check for VFX_PROGRAM_RTX too, that's the source from everything else failing

* Add arbitrary entry point support to shaders, needed as RTX shaders use [shader("XXX")] instead of MainXXX directly

* RenderTools::TraceRays API, preliminary implementation, RTAO uses RaytracingShader

* Make RT support internal, allow RT on game

* Remove RaytracedAmbientOcclusion, will be on scenestaging when ready

* Update engine/Sandbox.Engine/Systems/Render/RayTracingShader.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Fix rebase

* Update shaders

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
2025-11-27 22:40:02 -03:00
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