/*
* Copyright (c) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ohos.hdi.display.composer.v1_2;
import ohos.hdi.display.composer.v1_1.IDisplayComposer;
import ohos.hdi.display.composer.v1_2.DisplayComposerType;
import ohos.hdi.display.composer.v1_2.IVBlankIdleCallback;
sequenceable OHOS.HDI.Display.HdifdParcelable;
interface IDisplayComposer extends ohos.hdi.display.composer.v1_1.IDisplayComposer {
/**
* @brief Registers the callback to be invoked when it's ready to change VBlankIdle.
*
* @param cb Indicates the instance used to notify graphics service that it's ready to change VBlankIdle.
*
* @return Returns 0 if the operation is successful; returns an error code defined
* in {@link DispErrCode} otherwise.
* @since 5.0
* @version 1.2
*/
RegDisplayVBlankIdleCallback([in] IVBlankIdleCallback cb);
/**
* @brief Clear all Client Buffer.
*
* @param devId Indicates which device.
*
* @return Returns 0 if the operation is successful; returns an error code defined
* in {@link DispErrCode} otherwise.
* @since 5.0
* @version 1.0
*/
ClearClientBuffer([in] unsigned int devId);
/**
* @brief Clear all Layer Buffer.
*
* @param devId Indicates which device, layerId Indicates which layer.
*
* @return Returns 0 if the operation is successful; returns an error code defined
* in {@link DispErrCode} otherwise.
* @since 5.0
* @version 1.0
*/
ClearLayerBuffer([in] unsigned int devId, [in] unsigned int layerId);
/**
* @brief Set Hardware Cursor Position.
*
* @param devId Indicates which device, x and y Indicates the position of hardware cursor.
*
* @return Returns 0 if the operation is successful; returns an error code defined
* in {@link DispErrCode} otherwise.
* @since 5.0
* @version 1.0
*/
SetHardwareCursorPosition([in] unsigned int devId, [in] int x, [in] int y);
/**
* @brief Enable Hardware Cursor.
*
* @param devId Indicates which device, enable Indicates which stats of enabled hardware cursor.
*
* @return Returns 0 if the operation is successful; returns an error code defined
* in {@link DispErrCode} otherwise.
* @since 5.0
* @version 1.0
*/
EnableHardwareCursorStats([in] unsigned int devId, [in] boolean enable);
/**
* @brief Get Hardware Cursor Stats.
*
* @param devId Indicates which device, frameCount Indicates hardware cursor frame count,
* vsyncCount Indicates hardware cursor vsync count.
*
* @return Returns 0 if the operation is successful; returns an error code defined
* in {@link DispErrCode} otherwise.
* @since 5.0
* @version 1.0
*/
GetHardwareCursorStats([in] unsigned int devId, [out] unsigned int frameCount, [out] unsigned int vsyncCount);
}