Comments (1)
The scene used in this example has only one area light (emissive material) in an half closed environment. This make it harder to resolve compare to an open space environment with a "real" single point light. In the other scenes, we were shooting a ray toward that light, in the glTF a random ray hits the emissive material. To make it less noisy, we would have to do importance sampling and other advance techniques.
This sample https://github.com/nvpro-samples/vk_raytrace is using importance sampling with an HDR image. It is still noisy at the first frames, but resolves quickly.
from vk_raytracing_tutorial_khr.
Related Issues (20)
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