egutierrez
c7821c4c99
- 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>
32 lines
982 B
C++
32 lines
982 B
C++
#pragma once
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#include <functional>
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#include <string>
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#include "gfx/gl_framebuffer.h"
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#include "gfx/gl_shader.h"
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#include "gfx/fullscreen_quad.h"
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namespace fn::gfx {
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struct ShaderCanvas {
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Framebuffer fb;
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Quad quad;
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unsigned int program = 0;
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bool initialized = false;
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};
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// Inicializa recursos GL (idempotente).
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void canvas_init(ShaderCanvas& c);
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// Sustituye el programa activo (borra el anterior). Acepta program=0 para pantalla en negro.
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void canvas_set_program(ShaderCanvas& c, unsigned int program);
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// Renderiza el shader al FBO y dibuja la textura resultante como contenido del panel ImGui.
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// Llamar DENTRO de un ImGui::Begin/End. Ocupa GetContentRegionAvail().
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// uniforms_fn se invoca tras glUseProgram y antes de quad_draw, recibe el program ID.
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void canvas_render(ShaderCanvas& c, float time_seconds,
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const std::function<void(unsigned int program)>& uniforms_fn = {});
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void canvas_destroy(ShaderCanvas& c);
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} // namespace fn::gfx
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