36 lines
1.4 KiB
Text
36 lines
1.4 KiB
Text
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/*
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catcrafts.net
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Copyright (C) 2026 Catcrafts
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The source code of this website is made available for viewing purposes only.
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No permission is granted to copy, modify, distribute, or create derivative works.
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*/
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export module Catcrafts:Demo;
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import Crafter.Graphics;
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import std;
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using namespace Crafter;
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export namespace Catcrafts {
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// DOM element id that the ray-traced WebGPU demo renders into. The
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// blog post embeds a <div> with this id; MountDemo() reparents the
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// Crafter.Graphics render canvas into it via WebGPU::SetCanvasMount.
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inline constexpr std::string_view kDemoMountId = "webgpu-demo";
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// Build the ray-tracing pipeline + scene once and start the render
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// loop plumbing. Runs the window's StartInit()/FinishInit(), so call
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// it from main() right after the Window is constructed and before the
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// page chrome / routes are built. The canvas starts detached + hidden;
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// nothing is traced until MountDemo() is called.
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void SetupDemo(Window& window);
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// Reparent the render canvas into #webgpu-demo and begin tracing. Call
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// only after the element exists in the DOM (i.e. right after the post's
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// innerHTML has been set). Idempotent.
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void MountDemo();
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// Stop tracing and detach + hide the canvas, leaving a plain DOM page.
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// Call before any route re-render that would replace #webgpu-demo.
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// Safe to call when the demo is not mounted.
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void UnmountDemo();
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}
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