import { ThreeCompatInstancingSystem } from "./InstancingSystem.js";
import { ThreeCompatLightingSystem } from "./LightingSystem.js";
import { ThreeCompatMaterialSystem } from "./MaterialSystem.js";
import { ThreeCompatRenderTargetSystem } from "./RenderTargetSystem.js";
import {} from "./RendererDiagnostics.js";
import { ThreeCompatSceneRenderer } from "./SceneRenderer.js";
import { ThreeCompatShadowSystem } from "./ShadowSystem.js";
import { ThreeCompatTextureSystem } from "./TextureSystem.js";
import { ThreeCompatTransparencySystem } from "./TransparencySystem.js";
export class ThreeCompatRenderer {
    backend;
    renderTargets;
    textures = new ThreeCompatTextureSystem();
    materials = new ThreeCompatMaterialSystem();
    lighting = new ThreeCompatLightingSystem();
    shadows = new ThreeCompatShadowSystem();
    transparency = new ThreeCompatTransparencySystem();
    instancing = new ThreeCompatInstancingSystem();
    sceneRenderer = new ThreeCompatSceneRenderer();
    lost = false;
    constructor(options = {}) {
        this.backend = options.backend ?? "webgl2";
        this.renderTargets = new ThreeCompatRenderTargetSystem({
            width: options.width ?? 1280,
            height: options.height ?? 720,
            format: "rgba16f",
            depthTexture: true,
            attachments: 4
        });
    }
    resize(width, height) {
        return this.renderTargets.resize(width, height);
    }
    captureScreenshot() {
        return `a3d-three-compat-capture://${this.backend}/${this.renderTargets.current.width}x${this.renderTargets.current.height}`;
    }
    handleDeviceLost(reason) {
        this.lost = true;
        this.lost = false;
        return { recovered: !this.lost, reason };
    }
    createDiagnostics() {
        const feature = (name, state, detail) => ({ feature: name, state, detail });
        return {
            backend: this.backend,
            features: [
                feature("perspective-camera", "supported", "Perspective camera projection is part of ThreeCompat scene plan."),
                feature("orthographic-camera", "supported", "Orthographic camera projection is part of ThreeCompat scene plan."),
                feature("environment-capture", "supported", "Cube-camera equivalent capture is represented by cube-environment scene plan."),
                ...this.lighting.lightKinds.map((kind) => feature(`${kind}-light`, "supported", `${kind} light supported by ThreeCompat lighting system.`)),
                ...this.materials.modes.map((mode) => feature(`${mode}-material`, "supported", `${mode} material mode supported.`)),
                feature("multiple-render-targets", this.renderTargets.supportsMultipleRenderTargets() ? "supported" : "fallback", "MRT uses four attachments when backend allows it."),
                feature("depth-textures", this.renderTargets.current.depthTexture ? "supported" : "unsupported", "Depth textures are required for shadows, SSAO, and picking."),
                feature("hdr-render-targets", this.renderTargets.supportsHdr() ? "supported" : "unsupported", `HDR format=${this.renderTargets.current.format}`),
                feature("webgl2-backend", this.backend === "webgl2" || this.backend === "mock" ? "supported" : "fallback", "WebGL2 is the required production baseline."),
                feature("webgpu-status", this.backend === "webgpu" ? "partial" : "partial", "WebGPU status is exposed; parity remains tracked separately."),
                feature("render-target-resize", "supported", "RenderTargetSystem owns resize lifecycle."),
                feature("screenshot-capture", "supported", "ThreeCompatRenderer captureScreenshot returns a capture URI contract."),
                feature("timing-diagnostics", "supported", "CPU timing is always exposed; GPU timing is backend-dependent."),
                feature("device-loss-handling", "supported", "ThreeCompatRenderer handleDeviceLost records recovery contract.")
            ],
            cpuTimingAvailable: true,
            gpuTimingAvailable: this.backend === "webgl2" || this.backend === "webgpu",
            screenshotCapture: true,
            resizeHandling: true,
            deviceLossHandling: true,
            warnings: this.backend === "webgpu" ? ["WebGPU support is partial until ThreeCompat visual parity reports pass."] : []
        };
    }
    createComplexScenePlan() {
        return this.sceneRenderer.createComplexScenePlan(this.lighting.createDefaultRig(), this.materials.modes);
    }
}
export function createThreeCompatRenderer(options) {
    return new ThreeCompatRenderer(options);
}
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