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- // 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.
- #ifndef UI_GFX_OVERLAY_PRIORITY_HINT_H_
- #define UI_GFX_OVERLAY_PRIORITY_HINT_H_
- namespace gfx {
- // Provides a hint to a system compositor how it should prioritize this
- // overlay. Used only by Wayland.
- enum OverlayPriorityHint {
- // Overlay promotion is not necessary for this surface.
- kNone = 0,
- // The overlay could be considered as a candidate for promotion.
- kRegular,
- // Low latency quad.
- kLowLatencyCanvas,
- // The overlay contains protected content and requires to be promoted to
- // overlay.
- kHardwareProtection,
- };
- } // namespace gfx
- #endif // UI_GFX_OVERLAY_PRIORITY_HINT_H_
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