replicant-frameworks_native/services/surfaceflinger/DisplayUtils.cpp
Raj Kamal 20f9ced881 SurfaceFlinger: Add support for DisplayUtils
Add DisplayUtils class which uses the custom implementations
of ExLayer, ExSurfaceFlinger, ExHWComposer,
and ExVirtualDisplaySurface classes if needed

Change-Id: Ibdd8da5d3d0d602f42b76a15d0994c6aa98bee3f
2015-10-06 03:22:25 -06:00

107 lines
3.8 KiB
C++

/* 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.
*/
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <ui/GraphicBuffer.h>
#include "DisplayUtils.h"
#include <ExSurfaceFlinger.h>
#include <ExLayer.h>
#include <DisplayHardware/ExHWComposer.h>
#include <DisplayHardware/ExVirtualDisplaySurface.h>
#include <dlfcn.h>
namespace android {
DisplayUtils* DisplayUtils::sDisplayUtils = NULL;
bool DisplayUtils::sUseExtendedImpls = false;
DisplayUtils::DisplayUtils() {
#ifdef QTI_BSP
sUseExtendedImpls = true;
#endif
}
DisplayUtils* DisplayUtils::getInstance() {
if(sDisplayUtils == NULL) {
sDisplayUtils = new DisplayUtils();
}
return sDisplayUtils;
}
SurfaceFlinger* DisplayUtils::getSFInstance() {
if(sUseExtendedImpls) {
return new ExSurfaceFlinger();
} else {
return new SurfaceFlinger();
}
}
Layer* DisplayUtils::getLayerInstance(SurfaceFlinger* flinger,
const sp<Client>& client, const String8& name,
uint32_t w, uint32_t h, uint32_t flags) {
if(sUseExtendedImpls) {
return new ExLayer(flinger, client, name, w, h, flags);
} else {
return new Layer(flinger, client, name, w, h, flags);
}
}
HWComposer* DisplayUtils::getHWCInstance(
const sp<SurfaceFlinger>& flinger,
HWComposer::EventHandler& handler) {
if(sUseExtendedImpls) {
return new ExHWComposer(flinger, handler);
} else {
return new HWComposer(flinger,handler);
}
}
VirtualDisplaySurface* DisplayUtils::getVDSInstance(HWComposer* hwc, int32_t hwcDisplayId,
sp<IGraphicBufferProducer> currentStateSurface, sp<IGraphicBufferProducer> bqProducer,
sp<IGraphicBufferConsumer> bqConsumer, String8 currentStateDisplayName,
bool currentStateIsSecure)
{
if(sUseExtendedImpls) {
return new ExVirtualDisplaySurface(*hwc, hwcDisplayId, currentStateSurface, bqProducer,
bqConsumer, currentStateDisplayName, currentStateIsSecure);
} else {
return new VirtualDisplaySurface(*hwc, hwcDisplayId, currentStateSurface, bqProducer,
bqConsumer, currentStateDisplayName);
}
}
}; // namespace android