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/* Copyright (c) 2015, 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 ANDROID_DISPLAY_UTILS_H
#define ANDROID_DISPLAY_UTILS_H
#include <stdint.h>
#include <sys/types.h>
#include "Layer.h"
#include "SurfaceFlinger.h"
#include "DisplayHardware/HWComposer.h"
#include "DisplayHardware/VirtualDisplaySurface.h"
// ---------------------------------------------------------------------------
namespace android {
class IGraphicBufferProducer;
class IGraphicBufferConsumer;
class DisplaySurface;
/* Factory Classes */
class DisplayUtils {
public:
static DisplayUtils* getInstance() ANDROID_API;
SurfaceFlinger* getSFInstance() ANDROID_API;
Layer* getLayerInstance(SurfaceFlinger*, const sp<Client>&,
const String8&, uint32_t,
uint32_t, uint32_t);
HWComposer* getHWCInstance(const sp<SurfaceFlinger>& flinger,
HWComposer::EventHandler& handler);
void initVDSInstance(HWComposer* hwc, int32_t hwcDisplayId,
sp<IGraphicBufferProducer> currentStateSurface, sp<DisplaySurface> &dispSurface,
sp<IGraphicBufferProducer> &producer, sp<IGraphicBufferProducer> bqProducer,
sp<IGraphicBufferConsumer> bqConsumer, String8 currentStateDisplayName,
bool currentStateIsSecure, int currentStateType);
bool canAllocateHwcDisplayIdForVDS(int usage);
DisplayUtils();
private:
static DisplayUtils* sDisplayUtils;
static bool sUseExtendedImpls;
bool createV4L2BasedVirtualDisplay(HWComposer* hwc, int32_t &hwcDisplayId,
sp<DisplaySurface> &dispSurface, sp<IGraphicBufferProducer> &producer,
sp<IGraphicBufferProducer> currentStateSurface,
sp<IGraphicBufferProducer> bqProducer,
sp<IGraphicBufferConsumer> bqConsumer, int currentStateType);
};
}; // namespace android
#endif // ANDROID_DISPLAY_UTILS_H
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