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-# path-tracer
+# Vulkan path-tracer
Initially a CPU path tracer based on [_Ray Tracing in One Weekend_](https://raytracing.github.io/books/RayTracingInOneWeekend.html)
Rewritten using Vulkan API compute shaders to make it lighting fast.
-## Result
-![](https://github.com/ladevieq/path-tracer/blob/master/result.jpg?raw=true)
+![image](https://user-images.githubusercontent.com/7492041/121815427-05256780-cc66-11eb-9958-7c6b4e705375.png)
+
+## Features
-## TODO
* [x] Vulkan compute shader implementation
-* [x] Viewer window
-* [x] Support Windows
-* [x] Realtime progressive rendering (accumalate samples)
-* [x] Camera controller
-* [x] GUI interface
+* [x] Rendering API over Vulkan
+* [x] Support different window systems (Win32, xcb)
+* [x] Realtime rendering
+* [x] Multisampling (temporal accumulation)
+
+![accumulation](https://user-images.githubusercontent.com/7492041/121815317-5719bd80-cc65-11eb-8d07-3e3645fc098e.gif)
+* [x] Camera controller
+
+![camera](https://user-images.githubusercontent.com/7492041/121815035-bc6caf00-cc63-11eb-95da-c88796f9055a.gif)
+* [x] ImGui backend
+* [x] Debugging window
+* [x] Tonemapping
+* [x] BVH with debugging tools (Graphviz exporter, visual debugger)
+
+![bvh_debug](https://user-images.githubusercontent.com/7492041/121815003-8a5b4d00-cc63-11eb-85b4-6d82957fd935.gif)
+
+## Doing
+
+* [ ] Optimizing BVH implementation (optimal splitting axis, cache coherent memory layout)
+
+## TODO
+
* [ ] Add material types
-* [ ] Triangulated meshes rendering (Vulkan raytracing pipeline)
+* [ ] Triangulated meshes rendering (explore Vulkan raytracing pipeline)
+* [ ] Loading GLTF 2.0 scenes