1 // Copyright 2019 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef COMPONENTS_VIZ_COMMON_DISPLAY_DE_JELLY_H_ 6 #define COMPONENTS_VIZ_COMMON_DISPLAY_DE_JELLY_H_ 7 8 #include "components/viz/common/viz_common_export.h" 9 10 namespace viz { 11 12 // Utility functions for use with de-jelly logic. Used in both viz process and 13 // render process. 14 15 // Whether experimental de-jelly is enabled. This indicates whether 16 // DeJellyActive below may ever return true, and is used by the renderer 17 // process to determine whether it should prepare frames for potential 18 // de-jelly. 19 bool VIZ_COMMON_EXPORT DeJellyEnabled(); 20 21 // Whether experimental de-jelly is *currently* active. This is different from 22 // whether it is generally enabled, and may change frame-over-frame. This is 23 // queried from the Viz process, before drawing a frame. 24 bool VIZ_COMMON_EXPORT DeJellyActive(); 25 26 // The screen width to use for de-jelly logic. 27 float VIZ_COMMON_EXPORT DeJellyScreenWidth(); 28 29 // The maximum additional content which may be exposed in a layer by de-jelly 30 // skewing. 31 float VIZ_COMMON_EXPORT MaxDeJellyHeight(); 32 33 } // namespace viz 34 35 #endif // COMPONENTS_VIZ_COMMON_DISPLAY_DE_JELLY_H_ 36