This is my first attempt at a GPU based ray-tracer based on Ray Tracing in One Weekend.

The project is called WiW for Wgpu-Imgui-Winit (the frameworks I used to implement this), though I haven't put in a GUI yet as Imgui hasn't been updated to the latest Winit version.

I'm currently only rendering the final scene is RTiOW, though I used a BVH implemented with the SAH. I'm also trying to clock the megakernel (both compute and render) using write_timestamps, though there seems to be an issue that is creating some problems. Currently, I just dump the output of the timing query to the console window.

To do (in no particular order):

• see if I can optimize this render time; I feel like 300ms for this image is too long, and I want to do real-time rendering
• add some kind of accumulator rather than waiting for all the samples_per_pixel to complete
• figure out how to accurately get framerate and compute times
• implement a wavefront path tracing algorithm
• fix the colors
• add a GUI
• add other shapes (triangles, planes, quads, planes, etc)
• add an interactive camera
• add more complex rendering ideas from PBR book
• load in more complex obj files for some cool pictures