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/*
* Copyright (c) 2014 - 2017, 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:
* * Redistributions of source code must retain the above copyright 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 CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __STRATEGY_INTERFACE_H__
#define __STRATEGY_INTERFACE_H__
#include <core/sdm_types.h>
#include <core/display_interface.h>
#include "hw_info_types.h"
namespace sdm {
struct StrategyConstraints {
bool safe_mode = false; //!< In this mode, strategy manager chooses the composition strategy
//!< that requires minimum number of pipe for the current frame. i.e.,
//!< video only composition, secure only composition or GPU composition
bool use_cursor = false; //!< If this is set, strategy manager will configure cursor layer in the
//!< layer stack as hw cursor else it will be treated as a normal layer
uint32_t max_layers = kMaxSDELayers; //!< Maximum number of layers that shall be programmed
//!< on hardware for the given layer stack.
};
class StrategyInterface {
public:
virtual DisplayError Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts) = 0;
virtual DisplayError GetNextStrategy(StrategyConstraints *constraints) = 0;
virtual DisplayError Stop() = 0;
virtual DisplayError Reconfigure(const HWPanelInfo &hw_panel_info,
const HWResourceInfo &hw_res_info,
const HWMixerAttributes &mixer_attributes,
const DisplayConfigVariableInfo &fb_config) = 0;
virtual DisplayError SetCompositionState(LayerComposition composition_type, bool enable) = 0;
virtual DisplayError Purge() = 0;
virtual DisplayError SetIdleTimeoutMs(uint32_t active_ms) = 0;
virtual ~StrategyInterface() { }
};
} // namespace sdm
#endif // __STRATEGY_INTERFACE_H__
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