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5d83c11169
- cpp/functions/gfx/dag_types: DagStep, DagNodeDef, DagControl (header-only) - cpp/functions/gfx/dag_catalog: 10 hardcoded nodes (4 gen, 3 op, 3 blend) ported from shader-dag-blends.jsx - cpp/functions/gfx/dag_compile: pipeline → GLSL 330 core with fan-in via source_id - cpp/functions/gfx/dag_uniforms: upload u_params[16] via glUniform4fv - cpp/functions/gfx/dag_panel: ImGui pipeline editor (add/remove/reorder/controls) - main.cpp: Code/DAG mode toggle, per-mode compile path and uniforms - gl_loader: +glUniform4fv - rebuild Windows .exe Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
53 lines
1.9 KiB
Markdown
53 lines
1.9 KiB
Markdown
---
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name: dag_panel
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kind: component
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lang: cpp
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domain: gfx
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version: "1.0.0"
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purity: impure
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signature: "bool dag_panel(std::vector<DagStep>& pipeline)"
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description: "Panel ImGui para editar un pipeline DAG de shaders. Toolbar con Add Node (popup por kind) y Clear. Lista scrollable de pasos con CollapsingHeader coloreado por kind, selector de source para blends, widgets de control (Slider/XY/Color) y botones Move Up/Down/Delete. Devuelve true si la topologia cambio."
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tags: [dag, shader, imgui, pipeline, editor, gfx, component]
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uses_functions:
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- dag_catalog_cpp_gfx
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uses_types:
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- dag_types_cpp_gfx
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returns: []
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returns_optional: false
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error_type: "error_go_core"
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imports: [dag_panel, dag_catalog, dag_types, imgui, algorithm, string, vector]
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tested: false
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tests: []
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test_file_path: ""
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file_path: "cpp/functions/gfx/dag_panel.cpp"
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framework: imgui
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params:
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- name: pipeline
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desc: "Vector de DagStep modificado in-place. Add/Delete/Move cambian la topologia. Los sliders solo cambian params."
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output: "true si la topologia cambio (add/delete/move/source_id change). false si solo cambiaron valores de params (sliders). El caller usa este flag para decidir si recompilar el shader."
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---
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## Estructura del panel
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```
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[+ Add Node] [N/16 nodes] [Clear]
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─────────────────────────────────────
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▼ #0 plasma [Gen]
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velocidad [slider]
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escala [slider]
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[Move Up(disabled)] [Move Down] [Delete]
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▶ #1 blend_mix [Blend]
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...
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```
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## Colores por kind
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- Gen: azul (0.25, 0.55, 0.90)
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- Op: violeta (0.65, 0.40, 0.90)
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- Blend: ambar (0.90, 0.65, 0.15)
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## Notas
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Los IDs de paso se generan con contador estatico `s_next_id`. Unicos dentro de la sesion. Al anadir un Blend, asigna automaticamente el source_id al paso de hace dos (o el primero si el pipeline tiene menos de 2 pasos). Las mutaciones (delete/move) se aplican al final del loop para no invalidar iteradores.
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