GPUFeatureStatus 对象
2d_canvasstring - Canvas。flash_3dstring - Flash。flash_stage3dstring - Flash Stage3D。flash_stage3d_baselinestring - Flash Stage3D Baseline profile。gpu_compositingstring - Compositing。multiple_raster_threadsstring - Multiple Raster Threads。native_gpu_memory_buffersstring - Native GpuMemoryBuffers。rasterizationstring - Rasterization。video_decodestring - Video Decode。video_encodestring - Video Encode。vpx_decodestring - VPx Video Decode。webglstring - WebGL。webgl2string - WebGL2。
Possible values
disabled_software- 仅软件。硬件加速已禁用(黄色)disabled_off- 已禁用(红色)disabled_off_ok- 已禁用(黄色)unavailable_software- 仅软件,硬件加速不可用(黄色)unavailable_off- 不可用(红色)unavailable_off_ok- 不可用(黄色)enabled_readback- 硬件加速但性能降低(黄色)enabled_force- 所有页面都启用硬件加速(绿色)enabled- 硬件加速(绿色)enabled_on- 已启用(绿色)enabled_force_on- 强制启用(绿色)