Function destroyTexture

src/core/createRenderCoordinator.ts:1930–1937

(tex: GPUTexture | null)

  let overlayBlitBindGroup: GPUBindGroup | null = null;

  const destroyTexture = (tex: GPUTexture | null): void => {
    if (!tex) return;
    try {
      tex.destroy();
    } catch {
      // best-effort
    }
  };

  const ensureOverlayTargets = (canvasWidthDevicePx: number, canvasHeightDevicePx: number): void => {
    const w = Number.isFinite(canvasWidthDevicePx) ? Math.max(1, Math.floor(canvasWidthDevicePx)) : 1;