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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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.
*/
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#include <stdint.h>
#include <sys/types.h>
#include <binder/IPCThreadState.h>
#include <private/android_filesystem_config.h>
#include "Client.h"
#include "Layer.h"
#include "SurfaceFlinger.h"
namespace android {
// ---------------------------------------------------------------------------
const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
// ---------------------------------------------------------------------------
Client::Client(const sp<SurfaceFlinger>& flinger)
: mFlinger(flinger)
{
}
status_t Client::initCheck() const {
return NO_ERROR;
}
void Client::attachLayer(const sp<IBinder>& handle, const sp<Layer>& layer)
{
Mutex::Autolock _l(mLock);
mLayers.add(handle, layer);
}
void Client::detachLayer(const Layer* layer)
{
Mutex::Autolock _l(mLock);
// we do a linear search here, because this doesn't happen often
const size_t count = mLayers.size();
for (size_t i=0 ; i<count ; i++) {
if (mLayers.valueAt(i) == layer) {
mLayers.removeItemsAt(i, 1);
break;
}
}
}
sp<Layer> Client::getLayerUser(const sp<IBinder>& handle) const
{
Mutex::Autolock _l(mLock);
sp<Layer> lbc;
wp<Layer> layer(mLayers.valueFor(handle));
if (layer != 0) {
lbc = layer.promote();
ALOGE_IF(lbc==0, "getLayerUser(name=%p) is dead", handle.get());
}
return lbc;
}
status_t Client::createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format,
uint32_t flags, const sp<IBinder>& parentHandle,
LayerMetadata metadata, sp<IBinder>* handle,
sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
uint32_t* outTransformHint) {
// We rely on createLayer to check permissions.
return mFlinger->createLayer(name, this, w, h, format, flags, std::move(metadata), handle, gbp,
parentHandle, outLayerId, nullptr, outTransformHint);
}
status_t Client::createWithSurfaceParent(const String8& name, uint32_t w, uint32_t h,
PixelFormat format, uint32_t flags,
const sp<IGraphicBufferProducer>& parent,
LayerMetadata metadata, sp<IBinder>* handle,
sp<IGraphicBufferProducer>* gbp, int32_t* outLayerId,
uint32_t* outTransformHint) {
if (mFlinger->authenticateSurfaceTexture(parent) == false) {
ALOGE("failed to authenticate surface texture");
return BAD_VALUE;
}
const auto& layer = (static_cast<MonitoredProducer*>(parent.get()))->getLayer();
if (layer == nullptr) {
ALOGE("failed to find parent layer");
return BAD_VALUE;
}
return mFlinger->createLayer(name, this, w, h, format, flags, std::move(metadata), handle, gbp,
nullptr, outLayerId, layer, outTransformHint);
}
status_t Client::mirrorSurface(const sp<IBinder>& mirrorFromHandle, sp<IBinder>* outHandle,
int32_t* outLayerId) {
return mFlinger->mirrorLayer(this, mirrorFromHandle, outHandle, outLayerId);
}
status_t Client::clearLayerFrameStats(const sp<IBinder>& handle) const {
sp<Layer> layer = getLayerUser(handle);
if (layer == nullptr) {
return NAME_NOT_FOUND;
}
layer->clearFrameStats();
return NO_ERROR;
}
status_t Client::getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const {
sp<Layer> layer = getLayerUser(handle);
if (layer == nullptr) {
return NAME_NOT_FOUND;
}
layer->getFrameStats(outStats);
return NO_ERROR;
}
// ---------------------------------------------------------------------------
}; // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
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