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Diffstat (limited to 'chromium/ui/gfx/mojom/delegated_ink_point_renderer.mojom')
| -rw-r--r-- | chromium/ui/gfx/mojom/delegated_ink_point_renderer.mojom | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/chromium/ui/gfx/mojom/delegated_ink_point_renderer.mojom b/chromium/ui/gfx/mojom/delegated_ink_point_renderer.mojom new file mode 100644 index 00000000000..223f343afcd --- /dev/null +++ b/chromium/ui/gfx/mojom/delegated_ink_point_renderer.mojom @@ -0,0 +1,25 @@ +// Copyright 2021 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. + +module gfx.mojom; + +import "ui/gfx/mojom/delegated_ink_point.mojom"; + +// This interface is used to connect the browser process to viz to support +// delegated ink trails. A delegated ink point will be produced in the +// browser process and sent to viz to be held until DrawAndSwap occurs, at +// which point any delegated ink points that arrived may be used to draw the +// ink trail. When the browser detects the end of the trail, it will call +// ResetPrediction() so that viz does not predict any points further than what +// the user is expecting. +interface DelegatedInkPointRenderer { + // Used to send the DelegatedInkPoint that was created in the browser process + // to viz in order to be drawn as part of the delegated ink trail. + StoreDelegatedInkPoint(DelegatedInkPoint point); + + // Used to reset prediction and prediction metrics that have been generated + // by previously received points. Used by the browser process when a delegated + // ink trail should end. + ResetPrediction(); +};
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