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The fullscreen post-process VS uses Y-up UVs (uv.y=0 = bottom), so
textureSample() Y-flips any rasterized offscreen texture. SDF effects
author their content Y-down and look correct after the flip. Rasterized
effects (RotatingCube, Hybrid3D) must pre-flip their geometry:
- mat4::perspective(): m[5] = -t (negated Y scale)
- Pipelines with cullMode=Back: frontFace = WGPUFrontFace_CW (Y-flip
reverses winding, so CW becomes the visible face)
- Remove incorrect transposes from GlobalUniforms::make(),
ObjectData::make(), and Uniforms::make() — mini_math is column-major,
no transpose needed for GPU upload
- Document the convention in doc/3D.md under "Rasterized 3D and the
Y-flip rule"
handoff(Gemini): Y-flip rule now documented; all rasterized 3D pipelines
must follow it.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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mini_math mat4 is row-major; WGSL mat4x4f is column-major. Matrices
uploaded without transposing were interpreted as their own transpose on
the GPU, causing RotatingCube and Renderer3D to render upside-down.
- Add gpu_upload_mat4() to post_process_helper for standalone uploads
- Add Uniforms::make() to RotatingCube::Uniforms (handles transpose)
- Add GlobalUniforms::make() and ObjectData::make() to renderer.h
- Update renderer_draw.cc and visual_debug.cc to use make()
handoff(Gemini): matrix layout bug fixed across all rasterized effects.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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This commit introduces a dual-mode asset loading system to enhance developer workflow and optimize release builds.
Key changes include:
- **Dual-Mode Asset Loading:** Assets are now loaded from disk during development (when is OFF) for faster iteration, particularly for heavy assets like and files. For release builds ( ON), all assets are embedded directly into the binary, ensuring a single, self-contained executable.
- **Explicit Asset Typing:** Replaced generic asset type with specific types (, , , , ) in and the enum in for clearer categorization and more robust processing.
- **Build System Integration:** Modified to pass a flag to in development builds.
- **Asset Packer Updates:** now generates file paths for disk-loaded assets and embeds data for others based on the build mode.
- **Asset Manager Enhancements:** includes new logic in for loading and caching disk-based assets and updates to for proper memory deallocation.
- **Documentation:** Updated to reflect the new asset nomenclature and dual-mode loading strategy.
- **Project Rules:** Added a concise rule to mandating top-level documentation updates for medium/large sub-system changes.
handoff(Gemini): Implemented dual-mode asset loading and updated documentation.
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- scripts/validate_shaders.py: compose #includes then validate with naga-cli
(mirrors InitShaderComposer snippet map; skips runtime-substitution shaders)
- src/effects/ntsc.wgsl: remove broken GLSL-syntax vignette() function
(GLSL const/param syntax, f32→vec2f assignment; inline vignette at line 55
already handles darkening)
handoff(Gemini): validator at scripts/validate_shaders.py; install naga with
cargo install naga-cli; 29/29 shaders pass
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Paths like ../../src/effects/ntsc.wgsl were stored non-normalized in
the DEPENDS list, preventing Ninja/Make from detecting file changes.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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WGSL-only WgslEffect implementing barrel/fisheye distortion, RGB chroma
separation, scanlines, per-pixel temporal noise, rolling jitter line,
vignette, and warm NTSC phosphor tint. Applied across all main sequences.
handoff(Gemini): Ntsc effect added; 13 effects total, 35+1 tests expected.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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