demo.git/cnn_v3, branch main

demo.git/cnn_v3, branch main Vide-coded 64k demo system https://git.taar-o.com/demo.git/atom?h=main 2026-05-21T06:10:47Z style: apply clang-format 2026-05-21T06:10:47Z skal pascal.massimino@gmail.com 2026-05-21T06:10:47Z urn:sha1:d806027dcaeadcdd8d2febd88bc46b2fd2c465de fix: code review cleanup — bugs, dead code, factorization, simplification 2026-05-20T21:21:59Z skal pascal.massimino@gmail.com 2026-05-20T20:44:44Z urn:sha1:a91f89c8ea15665853176c05597760d0fcf6e0df Bugs: - B1: fix dead tempo debug (prev_tempo captured after assignment) - B2: fix ReloadAssetsFromFile leak for disk-loaded assets; simplify DropAsset - B3: fix get_free_pool_slot leak (unregister synth + free data on reuse) - B4: volatile -> std::atomic with acquire/release in miniaudio_backend, synth - B5: fix unaligned reads in scene_loader (memcpy-based read_f32/read_u32) - B6: fix shader module + BGL + pipeline layout leaks in gpu.cc, pipeline_builder Dead code: - D1: remove unused particle_defs.h - D3: remove create_post_process_pipeline_simple (zero callers) - D4: remove empty gpu_draw() - D5: remove write-only Hybrid3D::initialized_ - D6: remove legacy pending buffer path in audio.cc Factorization: - F1: Effect::run_fullscreen_pass() replaces boilerplate in 5 effects - F2: particle_common.wgsl snippet, #include in 3 WGSL shaders - F3: gpu_create_shader_module() helper, used in 3 call sites - F5: get_world_aabb() shared between bvh.cc and physics.cc - F6: samples_to_seconds() replaces 6 inline expressions - F7: gpu_create_linear/nearest_sampler use SamplerCache; add nearest() preset Simplification: - S9+S1: WgslSamplerType param; Scene2Effect collapsed to thin wrapper - S4: FFT heap allocs -> stack arrays (zero allocs on hot path) - S5: ObjectType::CUBE documented as legacy alias for BOX; default changed - S6: bind group dirty-flag in Renderer3D; remove duplicate pipeline set - S7: create_gpu_procedural() helper in texture_manager (~80 lines removed) 37/37 tests passing. handoff(Claude): code review batch — all items verified, no regressions. update weights 2026-03-29T14:51:22Z skal pascal.massimino@gmail.com 2026-03-29T14:50:56Z urn:sha1:4bcbe13dab5ffb64d93cc61956f07ee5168a84c9 update assets and weights 2026-03-29T14:39:53Z skal pascal.massimino@gmail.com 2026-03-29T14:38:10Z urn:sha1:45f8436a5c2410e2f15a0006f6a4540de0d913a5 more 3d assets for cnn_v3 2026-03-29T14:07:09Z skal pascal.massimino@gmail.com 2026-03-29T14:07:09Z urn:sha1:febd68030e8ef1a51411a0ab8593343a954e152b new script 2026-03-29T13:18:54Z skal pascal.massimino@gmail.com 2026-03-29T13:18:54Z urn:sha1:c82ddfa3fda67e50ee73a578500b56282c377476 docs: consolidate and sync docs with current codebase state 2026-03-29T08:15:38Z skal pascal.massimino@gmail.com 2026-03-29T08:15:38Z urn:sha1:e22256e374694fd92cc55ba198d3f7b1911713fe - PROJECT_CONTEXT.md: fix effect count (12→18), shader count (27→37), update CNN v3 pipeline description, tighten Next Up section - TODO.md: fix priority numbering, restore GPU PCM synthesis as pending, streamline CNN v3 section, consolidate Future items - doc/SEQUENCE.md: effect count 12→18 - cnn_v3/README.md: phases 1–7→1–9, test count 36→38, add phases 8–9 - cnn_v3/docs/HOWTO.md: fix dataset layout blender/photos→full/simple, update test counts 36→38 throughout - doc/COMPLETED.md: archive FFT/timing/OLA fixes, remove false GPU PCM claim - src/audio/audio_engine.cc: fix step comment numbering (6→5) - src/audio/synth.cc: remove stale fractional_pos tempo-scaling comment handoff(Gemini): docs now accurate — 18 effects, 37 shaders, 38/38 tests, GPU PCM synthesis back in TODO as pending, CNN v3 dataset layout corrected. fix(cnn_v3): handle OPEN_EXR_MULTILAYER removal in Blender 5.x 2026-03-29T08:00:27Z skal pascal.massimino@gmail.com 2026-03-29T08:00:27Z urn:sha1:3be659d9f0a150f8a6527ad0edc31787b0d39994 fix(audio): fix early timing drift in tracker, use ola_decode_frame in synth 2026-03-28T19:14:59Z skal pascal.massimino@gmail.com 2026-03-28T17:45:42Z urn:sha1:8bee7577cba9f55be8bc404038d5df959595b989 - Replaced chunk_frames truncation accumulation with accurate double-precision integration in audio_render_ahead. - Updated tracker to use double-precision time representations for exact sample-accurate scheduling. - Extracted ola_decode_frame to handle per-frame OLA-IDCT synthesis in synth.cc. - Updated TODO.md for completed audio tasks. handoff(Claude): Audio timing drift and OLA-IDCT enhancement resolved. fix(cnn_v3): L1 loss + depth-grad tanh normalization to reduce flat convergence 2026-03-27T07:41:05Z skal pascal.massimino@gmail.com 2026-03-27T07:41:05Z urn:sha1:37df61d1a0dbd5e253f9db778c17c4187e453b8d - Switch MSELoss → L1Loss in train_cnn_v3.py (median-seeking, avoids gray-blob) - Normalize depth_grad channels with tanh(10x) in cnn_v3_utils.py (bounds ±∞ signed values) - Match normalization in gbuf_pack.wgsl: tanh((right-left)*5.0) == tanh(10*central_diff) handoff(Gemini): training pipeline only; no C++ or test changes needed.