{
  "case": "C08-N10",
  "passed": true,
  "python": "3.12.4",
  "playwright": "1.58.0",
  "browser": "145.0.7632.6",
  "backend": "Chromium headless；ANGLE SwiftShader启动参数；WebGL实际renderer见题内结果",
  "input_scope": "Canvas2D或WebGL1页面API与像素读取；非指针输入、非实体GPU性能测量",
  "result": {
    "backend": {
      "version": "WebGL 1.0 (OpenGL ES 2.0 Chromium)",
      "shading": "WebGL GLSL ES 1.0 (OpenGL ES GLSL ES 1.0 Chromium)",
      "vendor": "WebKit",
      "renderer": "WebKit WebGL",
      "unmasked": "ANGLE (Google, Vulkan 1.3.0 (SwiftShader Device (Subzero) (0x0000C0DE)), SwiftShader driver)"
    },
    "initial": [
      0,
      0,
      8,
      8
    ],
    "retained": [
      0,
      0,
      8,
      8
    ],
    "drawingBuffer": [
      16,
      16
    ],
    "oldViewportPixel": [
      0,
      0,
      0,
      255
    ],
    "newViewportPixel": [
      255,
      0,
      0,
      255
    ],
    "final": [
      0,
      0,
      16,
      16
    ]
  },
  "unmeasured": [
    "实体触摸屏和GPU性能",
    "Firefox/Safari/WebView",
    "辅助技术朗读与真人可用性",
    "目标展项和业务服务"
  ]
}