Tracking Issue: Graphene engine development

[TrueDoctor]

Post-MVP engineering

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1. Make all nodes stackable and generalize layers as stacked Merge nodes #1510
   Feature Graphene Rust +3
   
2. Creating user-defined subgraphs #1172
   Feature Rust +2
   
3. Vector Edit node #1162
   Feature Rust +2
   
4. Transform system redesign #1530
   Feature Rust +2
5. Fix caching with resolution-aware data #1607
   Bug Graphene Performance Rust Time Sensitive +5
   
6. Incremental graph compilation #1606
   Feature Graphene Performance Rust +4
   
7. Store references, not implementations, for document nodes #1609
   Feature Graphene Rust +3
8. Hide any nodes that are erroring so the remaining graph still renders #1553
   Feature Graphene Paper Cut Rust +4
9. Improve docs and developer experience for working with the adaptive resolution system #1612
   Cleanup Documentation Graphene Rust +4
   
10. Make tools use primitive vector shape generator nodes #134
    Feature Rust +2
11. Independent, async node execution #1608
    Feature Graphene Rust +3
12. Graph rewriting step #1244
    Architecture Feature Rust +3
13. Attributes system #1173
    Design Feature Rust +3
14. Asset database #1604
    Feature Graphene Rust +3
15. Create a user-facing ASCII format for nodes and subgraphs #1605
    Feature Graphene Rust +3
16. Node versioning #1610
    Architecture Feature Graphene Rust +4
17. Visualizing proto nodes in document graphs #1170
    Feature Rust +2
18. Add a UI for lambdas in the node graph #883
    Design Feature Rust Web +4
19. Make the Graphene type system more powerful with HM type inference #1621
    Graphene Rust +2

WebGPU integration

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1. Decouple node graph execution with requestAnimationFrame #1239
   Architecture Feature P-Critical Performance Rust Web +6
   
2. Switch the node graph to an async execution model #1240
   Architecture Feature P-Critical Performance Rust +5
   
3. Integrate WebGPU into the node graph execution model #1241
   Architecture Feature P-Critical Performance Rust +5
   
4. Make a GPU version of the Blend node #1255
   Feature Rust +2
   
5. Set up infrastructure for integrating canvases into the rendered SVG #1258
   Architecture Cleanup Feature P-Critical Performance Rust +6
   
6. Remove JS roundtrip for displaying images #1259
   Architecture Feature P-Critical Performance Rust Time Sensitive Web +7
   
7. Extend Node macro to accept lamda nodes as input #1308
   Feature Rust +2
   
8. Modify transform node to support passing a short-circuit input
9. MVP adaptive resolution system #1307
   Feature Graphene Rust +3
   
10. Make storage of instances, compiled shaders, buffers, pipelines, compute passes cached to allow for reuse across evaluations #1295
    Feature Performance Rust +3
    
11. Experiment with rendering to a canvas directly to bypass the CPU #1293
    Performance Rust +2
    
12. Use textures for image storage #1296
    Architecture Feature Rust +3
    
13. Investigate if we can manually influence the limits and have that actually affect something (blocked by WebGPU Device Limits WebGPU Device Limits gfx-rs/wgpu#3299?)
14. Rework constant folding? #1539
    Architecture Design Feature Graphene +4
15. Make textures usable in Compute Shaders #1299
    +0
    
16. Support document nodes with parameters as extract sources for GPU #1298
    Graphene +1
    
17. Add feature gate to only display GPU-based nodes when wgpu is available
18. Add documentation + tests + improve the API
19. Modularize GPU blend mode as a merge node
20. Add nodes for updating existing buffers
21. Rewrite the Brush node to use the GPU and adaptive resolution system #1297
    +0
22. Deploy compilation server #1300
    1 of 3
    +0
    
23. Investigate flickering issue when dragging images around when using the Render Texture node #1302
    +0
    
24. Enable Texture filtering #1303
    +0
25. Rasterize vector content at the appropriate time in the graph
26. Integrate and use the quality level factor as part of the adaptive resolution render pipeline

Previously completed (collapsed)

Nodes in layers

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1. Implement the Proto Graph (01bbe5dcedb27bafc5ecc5e68642e106f2a7532a and many subsequent commits)
2. Implement the Document Graph #771
   Architecture Feature Rust Time Sensitive +4
   

   
3. Add a Node Graph adjustment layer type for bitmap compositing #808
   Feature Rust +2
   
4. API connecting the frontend with Document Graph #800
   Feature Rust Web +3
   

   
5. MVP improvements for the rudimentary node graph #851
   Rust Web +2
   

   
6. Frontend for the node graph #580
   Feature Rust Web +3
   
7. Rename /graphene to /document-legacy #799
   +0
8. Allow users to view and edit nested node networks #880
   Feature Rust +2
   
9. Node graph editing UX improvements #881
   Feature Rust Web +3
   
10. Gaussian Blur and kernel-based nodes #911
    Feature Rust +2
    
11. Foundations for GPU-based nodes with RustGPU and WGPU #810
    Feature Rust +2
    
12. Implement types and type checking in the node graph #888
    Feature Rust +2
    

Winding down legacy layers before the big switch to all nodes

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1. Add an Image Frame node and make the graph output vector data #992
   Feature Rust +2
   
2. Replace legacy layer types with nodes #768
   Architecture P-Critical Rust +3
   
3. Port Imaginate layers to nodes #886
   Feature Rust Time Sensitive +3
   
4. Port Image layers to nodes #889
   Feature Rust +2
   
5. Migrate Shape layers to nodes #997
   Feature P-Critical Rust Time Sensitive +4
   
6. Port Text layers to nodes #998
   Feature P-Critical Rust Time Sensitive +4
   
7. Add a Layer node and restructure artwork data types to feed into a layer and out the graph #1205
   Feature P-Critical Rust +3
   
8. Display layer thumbnails in the node graph #1211
   Feature P-High Rust Web +4
   
9. Replace legacy artboards with artboard nodes #1171
   5 of 5
   Feature Graphene Rust +3
   
10. Add a node graph to the document itself #1224
    Feature P-Critical Rust +3
    
11. Render node-based artboards #1221
    Feature Rust Web +3
    
12. Fix Artboard tool and editor manipulation of node-based artboards #1222
    Feature Rust +2
    
13. Remove legacy artboards in lieu of node-based artboards #1223
    Cleanup Rust Web +3
    
14. Frontend layer panel UI for node-based layer compositing stacks #1175
    Feature Web +2
    

The big switch from legacy layers to nodes

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1. This all had to happen at once because it fundamentally breaks major functionality. The first half was done through a continuously-rebased branch living atop master. The second half was done in master in between production releases while many features were missing and caused crashes until each were fixed. Tracked in:
2. Tracking Issue: Document graph migration MVP #1394
   Architecture Cleanup Graphene Rust +4
   

   

Cleanup after the full switch to nodes

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1. Rebuild the new layer panel frontend to replicate the mockup UI #882
   Design Feature Rust Web +4
   
2. Replace the overlays system with a simple immediate-mode system #1167
   Cleanup Rust +2
   
3. Remove legacy layers #1522
   Cleanup Rust +2
   
4. Remove document-legacy #1520
   Cleanup Rust +2
   
5. Remove references to LayerId and Vec<u64> layer paths #1525
   Cleanup Rust +2
   
6. Frontend types and error reporting from the node graph UI #1533
   Feature Graphene Rust +3
   
7. Hide the cull node from the user #1611
   Cleanup Graphene Paper Cut Rust +4