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6 Commits

Author SHA1 Message Date
egutierrez b557433388 feat(viz): mesh_viewer — componente 3D con FBO + Lambert headlight 
Compila/cachea por id un programa GLSL (vertex+fragment) con
iluminacion Lambert (luz=camara), gestiona Framebuffer cacheado por
id, dibuja MeshGpu con orbit camera, muestra via ImGui::Image y
maneja drag (mouse) + wheel (zoom). Wireframe opcional via
glPolygonMode.

gl_loader: añade glUniformMatrix4fv (proc requerido en Windows para
subir las matrices view/proj del mesh_viewer).

issue 0029
 2026-04-25 21:51:22 +02:00
egutierrez 53402d84d5 docs(issues): marcar 0025 y 0026 como completados + WIP master 
Wave 1 de parallel-fix-issues integrada a master:
- 0025: text_editor_cpp_core + file_watcher_cpp_core
- 0026: gl_texture_load_cpp_gfx (vendor: stb_image v2.30)

Ademas se commitea WIP previo de master que estaba sin commitear (cambios
en shaders_lab, dag_*, framework, tokens, kpi_card, gl_loader.md, etc.)
para dejar HEAD buildable.

Notas:
- Algunos deps del gallery (button.cpp, toolbar.cpp, modal_dialog.cpp...)
  siguen UNTRACKED — gating con FN_BUILD_GALLERY=ON (default OFF) para
  que master build (sin flag) no los necesite.
- Build OK con y sin flag. fn index registra 904 functions.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-25 21:14:15 +02:00
egutierrez fcbda2af2e feat(gl_loader): añadir glActiveTexture y glGenerateMipmap 
Necesarios para que gl_texture_load (cpp/functions/gfx/) funcione en
Windows tras wglGetProcAddress. En Linux son simbolos directos via
GL_GLEXT_PROTOTYPES, no afecta.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-25 20:58:07 +02:00
egutierrez 5d83c11169 feat(shaders_lab): DAG pipeline mode with node catalog 
- 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>
 2026-04-24 21:15:21 +02:00
egutierrez c7821c4c99 feat(shaders_lab): uniform annotations → auto-generated ImGui controls 
- cpp/functions/gfx/uniform_parser: regex-based parser of @slider/@color/@toggle/@xy annotations (+ inline tests)
- cpp/functions/gfx/uniform_panel: ImGui widgets + value store + glUniform* apply
- shader_canvas: optional uniforms callback invoked per-frame
- gl_loader: +glUniform1i/3f/4f
- seed plasma: demo uniforms u_speed + u_color
- rebuild Windows .exe

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-04-24 21:02:35 +02:00
egutierrez 4a95407d0e feat(shaders_lab): add gl_loader + Windows cross-compile 
- cpp/functions/gfx/gl_loader.{h,cpp,md}: mini loader para OpenGL 2.0+
  (Linux no-op via GL_GLEXT_PROTOTYPES, Windows wglGetProcAddress)
- Portar gl_shader/gl_framebuffer/fullscreen_quad/shader_canvas al loader
- CMakeLists: WIN32_EXECUTABLE para lanzar sin consola en Windows
- apps/shaders_lab/shaders_lab.exe: binario PE32+ precompilado

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-04-24 20:52:37 +02:00