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blender_export.py:
- Replace broken compositor FileOutput approach with native OPEN_EXR_MULTILAYER
render output; all enabled passes included automatically, no socket wiring needed
- Suppress Fra:/Mem: render spam via os.dup2 fd redirect; per-frame progress
printed to stderr via render_post handler
pack_blender_sample.py:
- get_pass_r: try .R/.X/.Y/.Z/'' suffixes + aliases param for Depth→Z fallback
- combined_rgba loaded once via ("Combined","Image") loop; shared by transp+target
- Remove unused sys import
HOW_TO_CNN.md: update channel table to native EXR naming (Depth.Z, IndexOB.X,
Shadow.X), fix example command, note Shadow defaults to 255 when absent
handoff(Gemini): blender pipeline now produces correct multilayer EXR with all
G-buffer passes; pack script handles native channel naming
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G-buffer (Phase 1):
- Add NodeTypes GBUF_ALBEDO/DEPTH32/R8/RGBA32UINT to NodeRegistry
- GBufferEffect: MRT raster pass (albedo+normal_mat+depth) + pack compute
- Shaders: gbuf_raster.wgsl (MRT), gbuf_pack.wgsl (feature packing, 32B/px)
- Shadow/SDF passes stubbed (placeholder textures), CMake integration deferred
Training infrastructure (Phase 2):
- blender_export.py: headless EXR export with all G-buffer render passes
- pack_blender_sample.py: EXR → per-channel PNGs (oct-normals, 1/z depth)
- pack_photo_sample.py: photo → zero-filled G-buffer sample layout
handoff(Gemini): G-buffer phases 3-5 remain (U-Net shaders, CNNv3Effect, parity)
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