| 90 | DevicePool(Device::Desc defaultDesc) : mDefaultDesc(defaultDesc) {} |
| 91 | |
| 92 | ref<Device> acquireDevice(Device::Type deviceType) |
| 93 | { |
| 94 | std::lock_guard<std::mutex> lock(mMutex); |
| 95 | auto& devices = mDevices[deviceType]; |
| 96 | if (devices.empty()) |
| 97 | { |
| 98 | Device::Desc desc = mDefaultDesc; |
| 99 | desc.type = deviceType; |
| 100 | return make_ref<Device>(desc); |
| 101 | } |
| 102 | auto device = devices.back(); |
| 103 | devices.pop_back(); |
| 104 | return device; |
| 105 | } |
| 106 | |
| 107 | void releaseDevice(ref<Device>&& device) |
| 108 | { |