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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto2";
import "vector2d.proto";
import "vector2df.proto";
option optimize_for = LITE_RUNTIME;
package cc.proto;
message ScrollUpdateInfo {
optional int64 layer_id = 1;
optional Vector2d scroll_delta = 2;
}
message ScrollAndScaleSet {
repeated ScrollUpdateInfo scrolls = 1;
optional float page_scale_delta = 2;
optional Vector2dF elastic_overscroll_delta = 3;
optional float top_controls_delta = 4;
// TODO(khushalsagar): Do we need to send swap promises?
// See crbug/576999.
}
message BeginFrameArgs {
enum BeginFrameArgsType {
INVALID = 1;
NORMAL = 2;
MISSED = 3;
BEGIN_FRAME_ARGS_TYPE_MAX = 100;
}
optional int64 frame_time = 1;
optional int64 deadline = 2;
optional int64 interval = 3;
optional BeginFrameArgsType type = 4;
optional bool on_critical_path = 5;
}
message BeginMainFrameAndCommitState {
optional int64 begin_frame_id = 1;
optional BeginFrameArgs begin_frame_args = 2;
optional ScrollAndScaleSet scroll_info = 3;
optional int64 memory_allocation_limit_bytes = 4;
optional bool evicted_ui_resources = 5;
}
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