1 /* 2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef VSYNC_TYPE_H 17 #define VSYNC_TYPE_H 18 19 #include <cstdint> 20 namespace OHOS { 21 namespace Rosen { 22 // range of max TE frequency 23 constexpr uint32_t VSYNC_MAX_REFRESHRATE_RANGE_MIN = 120; 24 constexpr uint32_t VSYNC_MAX_REFRESHRATE_RANGE_MAX = 432; 25 } // Rosen 26 27 typedef enum { 28 /* 29 * VSync mode for LTPS indicates the refresh rate of software vsync won't change 30 * without the hardware vsync refresh rate changed. 31 */ 32 VSYNC_MODE_LTPS, 33 /* 34 * VSync mode for LTPO indicates the refresh rate of software vsync can be switched 35 * without the hardware vsync refresh rate changed. 36 */ 37 VSYNC_MODE_LTPO, 38 /* 39 * Invalid VSync mode. 40 */ 41 VSYNC_MODE_INVALID 42 } VSyncMode; 43 } // OHOS 44 45 #endif // VSYNC_TYPE_H