// Copyright (C) 2024 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package gfxstream.host.snapshot;

message VirtioGpuGlobalRing {}

message VirtioGpuContextSpecificRing {
    optional uint32 context_id = 1;
    optional uint32 ring_id = 2;
}

message VirtioGpuRing {
    oneof ring {
        VirtioGpuGlobalRing global = 1;
        VirtioGpuContextSpecificRing context_specific = 2;
    }
}

message VirtioGpuTimelineFence {
    optional uint64 id = 1;
}

// LINT.IfChange(virtio_gpu_timeline_task)
message VirtioGpuTimelineTask {
    optional uint64 id = 1;
    optional VirtioGpuRing ring = 2;
    optional uint64 trace_id = 3;
    optional bool completed = 4;
}
// LINT.ThenChange(VirtioGpuTimelines.h:virtio_gpu_timeline_task)

// LINT.IfChange(virtio_gpu_timeline_item)
message VirtioGpuTimelineItem {
    oneof item {
        VirtioGpuTimelineFence fence = 1;
        VirtioGpuTimelineTask task = 2;
    }
}
// LINT.ThenChange(VirtioGpuTimelines.h:virtio_gpu_timeline_item)

// LINT.IfChange(virtio_gpu_timeline)
message VirtioGpuTimeline {
    optional uint64 trace_id = 1;
    repeated VirtioGpuTimelineItem items = 2;
}
// LINT.ThenChange(VirtioGpuTimelines.h:virtio_gpu_timeline)

// LINT.IfChange(virtio_gpu_timelines)
message VirtioGpuTimelinesSnapshot {
    optional uint64 next_id = 1;

    message RingWithTimeline {
        optional VirtioGpuRing ring = 1;
        optional VirtioGpuTimeline timeline = 2;
    }
    repeated RingWithTimeline timelines = 2;
}
// LINT.ThenChange(VirtioGpuTimelines.h:virtio_gpu_timelines)