display/config/1.13/IDisplayConfig.hal

/*
 * Copyright (c) 2019 The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
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 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials provided
 *      with the distribution.
 *    * Neither the name of The Linux Foundation. nor the names of its
 *      contributors may be used to endorse or promote products derived
 *      from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */

package vendor.display.config@1.13;

import @1.12::IDisplayConfig;

interface IDisplayConfig extends @1.12::IDisplayConfig {
    /*
     * Query if asynchronous Virtual Display Creation is supported
     * @return is_supported true if async Virtual display creation is supported
     */
    @callflow(next="*")
    isAsyncVDSCreationSupported() generates (bool is_supported);

    /*
     * Creates Virtual Display based on width, height, format parameters.
     *
     * @param width Width of the virtual display.
     * @param height Height of the virtual display.
     * @param format Pixel format of the virtual display.
     * @return error is NONE on successful creation of display
     */
    @callflow(next="*")
    createVirtualDisplay(uint32_t width, uint32_t height, int32_t format) generates (int32_t error);
};