wgputest

gpu-based raymarcher; initial purpose: learning

Try yourself under releases! (m1)

First experiment playing around with shaders and native apps using rust/winit/wgpu. The raytracer is written "from scratch" with glsl, using pure math and logic to simulate millions of lightrays raymarching around a world defined through SDF. Below are some snapshots, some realtime (with phong lighting and low reflection counts), others more time consuming.

Get started

• (install rust)
• clone <repo> <name> && cd $_
• get glslangValidator https://github.com/KhronosGroup/glslang/releases/tag/master-tot
  • download, unzip, place somewhere nice + add bin to path, (macos: right-click -> open, first time to allow for SIP), new terminal window
  • rm -rf assets/gen/spv # to trigger glslangValidator recompilation on first start
• cargo run --release (only tested on osx, may have path issues on windows; if you have glslangValidator installed (google) + in the PATH, try editing assets/shaders/shader.frag and it should re-render automatically; also try pressing/holding R while moving cursor if mousex/mousey is used in fragment shader for interactivity, though resizing window too large might be troublesome as there is currently no debouncing...)
• cargo install cargo-bundle and cargo bundle --release to create "app"

Misc

Created by Leonard Pauli, autum 2020.
Copyright © Leonard Pauli 2020.

For licensing, contact us.