Implement a Render Graph #16
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Reference: SeanOMik/lyra-engine#16
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Delete Branch "feature/render-graph"
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This is a PR that would resolve #15
Here's a list of tasks:
The tasks will likely need to be expanded on later. This list may or may not be up to date.
I was able to get a super simple pass in the render graph working!
This triangle is hard coded in the shader though, the shader was taken from learn-wgpu. Yes, the renderer has gone all the way back to drawing a triangle lmao.
Its now possible to create a gpu buffer, put it in a bind group, update the buffer every frame, and use that bind group in the pipeline. Here's a simple demo updating a uniform buffer
I FINALLY got meshes rendering again!!
This is using the render graph of course, but the code is super messy. A large portion of the mesh rendering code is shoved in a single pass called
MeshPass.What's left to be done:
MeshPassa bitRenderGraphPasstoRenderGraphNodeThe
MeshPasswont be split up. Although there's a lot in it, it does all relate to rendering meshes.I finished implementing a
RenderGraphLabeltrait as well as a proc macro for implementing it. The labels are used everywhere a string was used, so render graph nodes, node slots, and bind group names.It's slightly annoying to use them when specifing the bind groups in a PassDesc since you have to provide a borro, but everywhere else it's great.
WIP: Implement a Render Graphto Implement a Render GraphThe render graph is finally good enough for a first pass. In the last few commits, I completed the TODOs of the other comment, and removed IDs from nodes, bind groups, slots, anything that was using it and replaced it with labels. Labels were being used anyway, I just had to delete the ids and reorganize some fields a bit.