2009-03-04 03:31:44 +00:00
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "SurfaceFlinger"
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <math.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <cutils/log.h>
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#include <cutils/properties.h>
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#include <utils/IPCThreadState.h>
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#include <utils/IServiceManager.h>
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#include <utils/MemoryDealer.h>
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#include <utils/MemoryBase.h>
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#include <utils/String8.h>
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#include <utils/String16.h>
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#include <utils/StopWatch.h>
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#include <ui/PixelFormat.h>
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#include <ui/DisplayInfo.h>
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#include <ui/EGLDisplaySurface.h>
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#include <pixelflinger/pixelflinger.h>
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#include <GLES/gl.h>
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#include "clz.h"
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#include "CPUGauge.h"
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#include "Layer.h"
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#include "LayerBlur.h"
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#include "LayerBuffer.h"
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#include "LayerDim.h"
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#include "LayerBitmap.h"
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#include "LayerOrientationAnim.h"
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#include "OrientationAnimation.h"
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#include "SurfaceFlinger.h"
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#include "VRamHeap.h"
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#include "DisplayHardware/DisplayHardware.h"
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#include "GPUHardware/GPUHardware.h"
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2009-07-21 18:16:54 +00:00
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/* ideally AID_GRAPHICS would be in a semi-public header
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* or there would be a way to map a user/group name to its id
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*/
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#ifndef AID_GRAPHICS
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#define AID_GRAPHICS 1003
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#endif
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2009-03-04 03:31:44 +00:00
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#define DISPLAY_COUNT 1
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namespace android {
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// ---------------------------------------------------------------------------
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void SurfaceFlinger::instantiate() {
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defaultServiceManager()->addService(
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String16("SurfaceFlinger"), new SurfaceFlinger());
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}
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void SurfaceFlinger::shutdown() {
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// we should unregister here, but not really because
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// when (if) the service manager goes away, all the services
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// it has a reference to will leave too.
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}
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// ---------------------------------------------------------------------------
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SurfaceFlinger::LayerVector::LayerVector(const SurfaceFlinger::LayerVector& rhs)
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: lookup(rhs.lookup), layers(rhs.layers)
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{
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}
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ssize_t SurfaceFlinger::LayerVector::indexOf(
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LayerBase* key, size_t guess) const
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{
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if (guess<size() && lookup.keyAt(guess) == key)
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return guess;
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const ssize_t i = lookup.indexOfKey(key);
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if (i>=0) {
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const size_t idx = lookup.valueAt(i);
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LOG_ASSERT(layers[idx]==key,
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"LayerVector[%p]: layers[%d]=%p, key=%p",
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this, int(idx), layers[idx], key);
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return idx;
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}
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return i;
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}
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ssize_t SurfaceFlinger::LayerVector::add(
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LayerBase* layer,
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Vector<LayerBase*>::compar_t cmp)
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{
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size_t count = layers.size();
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ssize_t l = 0;
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ssize_t h = count-1;
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ssize_t mid;
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LayerBase* const* a = layers.array();
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while (l <= h) {
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mid = l + (h - l)/2;
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const int c = cmp(a+mid, &layer);
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if (c == 0) { l = mid; break; }
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else if (c<0) { l = mid+1; }
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else { h = mid-1; }
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}
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size_t order = l;
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while (order<count && !cmp(&layer, a+order)) {
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order++;
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}
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count = lookup.size();
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for (size_t i=0 ; i<count ; i++) {
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if (lookup.valueAt(i) >= order) {
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lookup.editValueAt(i)++;
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}
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}
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layers.insertAt(layer, order);
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lookup.add(layer, order);
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return order;
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}
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ssize_t SurfaceFlinger::LayerVector::remove(LayerBase* layer)
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{
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const ssize_t keyIndex = lookup.indexOfKey(layer);
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if (keyIndex >= 0) {
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const size_t index = lookup.valueAt(keyIndex);
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LOG_ASSERT(layers[index]==layer,
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"LayerVector[%p]: layers[%u]=%p, layer=%p",
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this, int(index), layers[index], layer);
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layers.removeItemsAt(index);
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lookup.removeItemsAt(keyIndex);
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const size_t count = lookup.size();
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for (size_t i=0 ; i<count ; i++) {
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if (lookup.valueAt(i) >= size_t(index)) {
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lookup.editValueAt(i)--;
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}
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}
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return index;
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}
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return NAME_NOT_FOUND;
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}
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ssize_t SurfaceFlinger::LayerVector::reorder(
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LayerBase* layer,
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Vector<LayerBase*>::compar_t cmp)
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{
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// XXX: it's a little lame. but oh well...
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ssize_t err = remove(layer);
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if (err >=0)
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err = add(layer, cmp);
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return err;
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}
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// ---------------------------------------------------------------------------
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#if 0
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#pragma mark -
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#endif
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SurfaceFlinger::SurfaceFlinger()
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: BnSurfaceComposer(), Thread(false),
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mTransactionFlags(0),
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mTransactionCount(0),
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mBootTime(systemTime()),
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mLastScheduledBroadcast(NULL),
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mVisibleRegionsDirty(false),
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mDeferReleaseConsole(false),
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mFreezeDisplay(false),
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mFreezeCount(0),
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2009-03-11 19:11:56 +00:00
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mFreezeDisplayTime(0),
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2009-03-04 03:31:44 +00:00
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mDebugRegion(0),
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mDebugCpu(0),
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mDebugFps(0),
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mDebugBackground(0),
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mSyncObject(),
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mDeplayedTransactionPending(0),
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mConsoleSignals(0),
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mSecureFrameBuffer(0)
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{
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init();
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}
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void SurfaceFlinger::init()
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{
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LOGI("SurfaceFlinger is starting");
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// debugging stuff...
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char value[PROPERTY_VALUE_MAX];
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property_get("debug.sf.showupdates", value, "0");
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mDebugRegion = atoi(value);
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property_get("debug.sf.showcpu", value, "0");
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mDebugCpu = atoi(value);
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property_get("debug.sf.showbackground", value, "0");
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mDebugBackground = atoi(value);
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property_get("debug.sf.showfps", value, "0");
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mDebugFps = atoi(value);
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LOGI_IF(mDebugRegion, "showupdates enabled");
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LOGI_IF(mDebugCpu, "showcpu enabled");
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LOGI_IF(mDebugBackground, "showbackground enabled");
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LOGI_IF(mDebugFps, "showfps enabled");
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}
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SurfaceFlinger::~SurfaceFlinger()
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{
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glDeleteTextures(1, &mWormholeTexName);
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delete mOrientationAnimation;
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}
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copybit_device_t* SurfaceFlinger::getBlitEngine() const
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{
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return graphicPlane(0).displayHardware().getBlitEngine();
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}
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overlay_control_device_t* SurfaceFlinger::getOverlayEngine() const
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{
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return graphicPlane(0).displayHardware().getOverlayEngine();
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}
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sp<IMemory> SurfaceFlinger::getCblk() const
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{
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return mServerCblkMemory;
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}
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status_t SurfaceFlinger::requestGPU(const sp<IGPUCallback>& callback,
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gpu_info_t* gpu)
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{
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2009-05-20 18:28:04 +00:00
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if (mGPU == 0)
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return INVALID_OPERATION;
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2009-03-04 03:31:44 +00:00
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IPCThreadState* ipc = IPCThreadState::self();
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const int pid = ipc->getCallingPid();
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status_t err = mGPU->request(pid, callback, gpu);
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return err;
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}
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status_t SurfaceFlinger::revokeGPU()
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{
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2009-05-20 18:28:04 +00:00
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if (mGPU == 0)
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return INVALID_OPERATION;
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2009-03-04 03:31:44 +00:00
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return mGPU->friendlyRevoke();
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}
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sp<ISurfaceFlingerClient> SurfaceFlinger::createConnection()
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{
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Mutex::Autolock _l(mStateLock);
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uint32_t token = mTokens.acquire();
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Client* client = new Client(token, this);
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if ((client == 0) || (client->ctrlblk == 0)) {
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mTokens.release(token);
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return 0;
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}
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status_t err = mClientsMap.add(token, client);
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if (err < 0) {
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delete client;
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mTokens.release(token);
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return 0;
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}
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sp<BClient> bclient =
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new BClient(this, token, client->controlBlockMemory());
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return bclient;
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}
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void SurfaceFlinger::destroyConnection(ClientID cid)
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{
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Mutex::Autolock _l(mStateLock);
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Client* const client = mClientsMap.valueFor(cid);
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if (client) {
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// free all the layers this client owns
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const Vector<LayerBaseClient*>& layers = client->getLayers();
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const size_t count = layers.size();
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for (size_t i=0 ; i<count ; i++) {
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LayerBaseClient* const layer = layers[i];
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removeLayer_l(layer);
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}
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// the resources associated with this client will be freed
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// during the next transaction, after these surfaces have been
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// properly removed from the screen
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// remove this client from our ClientID->Client mapping.
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mClientsMap.removeItem(cid);
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// and add it to the list of disconnected clients
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mDisconnectedClients.add(client);
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// request a transaction
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setTransactionFlags(eTransactionNeeded);
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}
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}
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const GraphicPlane& SurfaceFlinger::graphicPlane(int dpy) const
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{
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LOGE_IF(uint32_t(dpy) >= DISPLAY_COUNT, "Invalid DisplayID %d", dpy);
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const GraphicPlane& plane(mGraphicPlanes[dpy]);
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return plane;
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}
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GraphicPlane& SurfaceFlinger::graphicPlane(int dpy)
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{
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return const_cast<GraphicPlane&>(
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const_cast<SurfaceFlinger const *>(this)->graphicPlane(dpy));
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}
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void SurfaceFlinger::bootFinished()
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{
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const nsecs_t now = systemTime();
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const nsecs_t duration = now - mBootTime;
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2009-07-21 18:16:54 +00:00
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LOGI("Boot is finished (%ld ms)", long(ns2ms(duration)) );
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property_set("ctl.stop", "bootanim");
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2009-03-04 03:31:44 +00:00
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}
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void SurfaceFlinger::onFirstRef()
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{
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run("SurfaceFlinger", PRIORITY_URGENT_DISPLAY);
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// Wait for the main thread to be done with its initialization
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mReadyToRunBarrier.wait();
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}
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static inline uint16_t pack565(int r, int g, int b) {
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return (r<<11)|(g<<5)|b;
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}
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// this is defined in libGLES_CM.so
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extern ISurfaceComposer* GLES_localSurfaceManager;
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status_t SurfaceFlinger::readyToRun()
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{
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LOGI( "SurfaceFlinger's main thread ready to run. "
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"Initializing graphics H/W...");
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// create the shared control-block
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mServerHeap = new MemoryDealer(4096, MemoryDealer::READ_ONLY);
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LOGE_IF(mServerHeap==0, "can't create shared memory dealer");
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mServerCblkMemory = mServerHeap->allocate(4096);
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LOGE_IF(mServerCblkMemory==0, "can't create shared control block");
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mServerCblk = static_cast<surface_flinger_cblk_t *>(mServerCblkMemory->pointer());
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LOGE_IF(mServerCblk==0, "can't get to shared control block's address");
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new(mServerCblk) surface_flinger_cblk_t;
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// get a reference to the GPU if we have one
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mGPU = GPUFactory::getGPU();
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// create the surface Heap manager, which manages the heaps
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// (be it in RAM or VRAM) where surfaces are allocated
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// We give 8 MB per client.
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mSurfaceHeapManager = new SurfaceHeapManager(this, 8 << 20);
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GLES_localSurfaceManager = static_cast<ISurfaceComposer*>(this);
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// we only support one display currently
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int dpy = 0;
|
|
|
|
|
|
|
|
{
|
|
|
|
// initialize the main display
|
|
|
|
GraphicPlane& plane(graphicPlane(dpy));
|
|
|
|
DisplayHardware* const hw = new DisplayHardware(this, dpy);
|
|
|
|
plane.setDisplayHardware(hw);
|
|
|
|
}
|
|
|
|
|
|
|
|
// initialize primary screen
|
|
|
|
// (other display should be initialized in the same manner, but
|
|
|
|
// asynchronously, as they could come and go. None of this is supported
|
|
|
|
// yet).
|
|
|
|
const GraphicPlane& plane(graphicPlane(dpy));
|
|
|
|
const DisplayHardware& hw = plane.displayHardware();
|
|
|
|
const uint32_t w = hw.getWidth();
|
|
|
|
const uint32_t h = hw.getHeight();
|
|
|
|
const uint32_t f = hw.getFormat();
|
|
|
|
hw.makeCurrent();
|
|
|
|
|
|
|
|
// initialize the shared control block
|
|
|
|
mServerCblk->connected |= 1<<dpy;
|
|
|
|
display_cblk_t* dcblk = mServerCblk->displays + dpy;
|
|
|
|
memset(dcblk, 0, sizeof(display_cblk_t));
|
|
|
|
dcblk->w = w;
|
|
|
|
dcblk->h = h;
|
|
|
|
dcblk->format = f;
|
|
|
|
dcblk->orientation = ISurfaceComposer::eOrientationDefault;
|
|
|
|
dcblk->xdpi = hw.getDpiX();
|
|
|
|
dcblk->ydpi = hw.getDpiY();
|
|
|
|
dcblk->fps = hw.getRefreshRate();
|
|
|
|
dcblk->density = hw.getDensity();
|
|
|
|
asm volatile ("":::"memory");
|
|
|
|
|
|
|
|
// Initialize OpenGL|ES
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
|
|
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
|
|
|
|
glPixelStorei(GL_PACK_ALIGNMENT, 4);
|
|
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
|
|
|
glEnable(GL_SCISSOR_TEST);
|
|
|
|
glShadeModel(GL_FLAT);
|
|
|
|
glDisable(GL_DITHER);
|
|
|
|
glDisable(GL_CULL_FACE);
|
|
|
|
|
|
|
|
const uint16_t g0 = pack565(0x0F,0x1F,0x0F);
|
|
|
|
const uint16_t g1 = pack565(0x17,0x2f,0x17);
|
|
|
|
const uint16_t textureData[4] = { g0, g1, g1, g0 };
|
|
|
|
glGenTextures(1, &mWormholeTexName);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, mWormholeTexName);
|
|
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 2, 2, 0,
|
|
|
|
GL_RGB, GL_UNSIGNED_SHORT_5_6_5, textureData);
|
|
|
|
|
|
|
|
glViewport(0, 0, w, h);
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
|
|
glLoadIdentity();
|
|
|
|
glOrthof(0, w, h, 0, 0, 1);
|
|
|
|
|
|
|
|
LayerDim::initDimmer(this, w, h);
|
|
|
|
|
|
|
|
mReadyToRunBarrier.open();
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We're now ready to accept clients...
|
|
|
|
*/
|
|
|
|
|
|
|
|
mOrientationAnimation = new OrientationAnimation(this);
|
|
|
|
|
|
|
|
// start CPU gauge display
|
|
|
|
if (mDebugCpu)
|
|
|
|
mCpuGauge = new CPUGauge(this, ms2ns(500));
|
|
|
|
|
2009-07-21 18:16:54 +00:00
|
|
|
|
|
|
|
// start boot animation
|
|
|
|
property_set("ctl.start", "bootanim");
|
|
|
|
|
2009-03-04 03:31:44 +00:00
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if 0
|
|
|
|
#pragma mark -
|
|
|
|
#pragma mark Events Handler
|
|
|
|
#endif
|
|
|
|
|
|
|
|
void SurfaceFlinger::waitForEvent()
|
|
|
|
{
|
|
|
|
// wait for something to do
|
|
|
|
if (UNLIKELY(isFrozen())) {
|
|
|
|
// wait 5 seconds
|
2009-03-11 19:11:56 +00:00
|
|
|
const nsecs_t freezeDisplayTimeout = ms2ns(5000);
|
|
|
|
const nsecs_t now = systemTime();
|
|
|
|
if (mFreezeDisplayTime == 0) {
|
|
|
|
mFreezeDisplayTime = now;
|
|
|
|
}
|
|
|
|
nsecs_t waitTime = freezeDisplayTimeout - (now - mFreezeDisplayTime);
|
|
|
|
int err = (waitTime > 0) ? mSyncObject.wait(waitTime) : TIMED_OUT;
|
2009-03-04 03:31:44 +00:00
|
|
|
if (err != NO_ERROR) {
|
|
|
|
if (isFrozen()) {
|
|
|
|
// we timed out and are still frozen
|
|
|
|
LOGW("timeout expired mFreezeDisplay=%d, mFreezeCount=%d",
|
|
|
|
mFreezeDisplay, mFreezeCount);
|
|
|
|
mFreezeCount = 0;
|
2009-03-11 19:11:56 +00:00
|
|
|
mFreezeDisplay = false;
|
2009-03-04 03:31:44 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
2009-03-11 19:11:56 +00:00
|
|
|
mFreezeDisplayTime = 0;
|
2009-03-04 03:31:44 +00:00
|
|
|
mSyncObject.wait();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::signalEvent() {
|
|
|
|
mSyncObject.open();
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::signal() const {
|
|
|
|
mSyncObject.open();
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::signalDelayedEvent(nsecs_t delay)
|
|
|
|
{
|
|
|
|
if (android_atomic_or(1, &mDeplayedTransactionPending) == 0) {
|
|
|
|
sp<DelayedTransaction> delayedEvent(new DelayedTransaction(this, delay));
|
|
|
|
delayedEvent->run("DelayedeEvent", PRIORITY_URGENT_DISPLAY);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if 0
|
|
|
|
#pragma mark -
|
|
|
|
#pragma mark Main loop
|
|
|
|
#endif
|
|
|
|
|
|
|
|
bool SurfaceFlinger::threadLoop()
|
|
|
|
{
|
|
|
|
waitForEvent();
|
|
|
|
|
|
|
|
// check for transactions
|
|
|
|
if (UNLIKELY(mConsoleSignals)) {
|
|
|
|
handleConsoleEvents();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (LIKELY(mTransactionCount == 0)) {
|
|
|
|
// if we're in a global transaction, don't do anything.
|
|
|
|
const uint32_t mask = eTransactionNeeded | eTraversalNeeded;
|
|
|
|
uint32_t transactionFlags = getTransactionFlags(mask);
|
|
|
|
if (LIKELY(transactionFlags)) {
|
|
|
|
handleTransaction(transactionFlags);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// post surfaces (if needed)
|
|
|
|
handlePageFlip();
|
|
|
|
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
|
|
if (LIKELY(hw.canDraw())) {
|
|
|
|
// repaint the framebuffer (if needed)
|
|
|
|
handleRepaint();
|
|
|
|
|
|
|
|
// release the clients before we flip ('cause flip might block)
|
|
|
|
unlockClients();
|
|
|
|
executeScheduledBroadcasts();
|
|
|
|
|
|
|
|
// sample the cpu gauge
|
|
|
|
if (UNLIKELY(mDebugCpu)) {
|
|
|
|
handleDebugCpu();
|
|
|
|
}
|
|
|
|
|
|
|
|
postFramebuffer();
|
|
|
|
} else {
|
|
|
|
// pretend we did the post
|
|
|
|
unlockClients();
|
|
|
|
executeScheduledBroadcasts();
|
|
|
|
usleep(16667); // 60 fps period
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::postFramebuffer()
|
|
|
|
{
|
|
|
|
const bool skip = mOrientationAnimation->run();
|
|
|
|
if (UNLIKELY(skip)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!mInvalidRegion.isEmpty()) {
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
|
|
|
|
|
|
if (UNLIKELY(mDebugFps)) {
|
|
|
|
debugShowFPS();
|
|
|
|
}
|
|
|
|
|
|
|
|
hw.flip(mInvalidRegion);
|
|
|
|
|
|
|
|
mInvalidRegion.clear();
|
|
|
|
|
|
|
|
if (Layer::deletedTextures.size()) {
|
|
|
|
glDeleteTextures(
|
|
|
|
Layer::deletedTextures.size(),
|
|
|
|
Layer::deletedTextures.array());
|
|
|
|
Layer::deletedTextures.clear();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::handleConsoleEvents()
|
|
|
|
{
|
|
|
|
// something to do with the console
|
|
|
|
const DisplayHardware& hw = graphicPlane(0).displayHardware();
|
|
|
|
|
|
|
|
int what = android_atomic_and(0, &mConsoleSignals);
|
|
|
|
if (what & eConsoleAcquired) {
|
|
|
|
hw.acquireScreen();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (mDeferReleaseConsole && hw.canDraw()) {
|
|
|
|
// We got the release signal before the aquire signal
|
|
|
|
mDeferReleaseConsole = false;
|
|
|
|
revokeGPU();
|
|
|
|
hw.releaseScreen();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (what & eConsoleReleased) {
|
|
|
|
if (hw.canDraw()) {
|
|
|
|
revokeGPU();
|
|
|
|
hw.releaseScreen();
|
|
|
|
} else {
|
|
|
|
mDeferReleaseConsole = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
mDirtyRegion.set(hw.bounds());
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
|
|
|
|
{
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
|
|
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
|
|
const size_t count = currentLayers.size();
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Traversal of the children
|
|
|
|
* (perform the transaction for each of them if needed)
|
|
|
|
*/
|
|
|
|
|
|
|
|
const bool layersNeedTransaction = transactionFlags & eTraversalNeeded;
|
|
|
|
if (layersNeedTransaction) {
|
|
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
|
|
LayerBase* const layer = currentLayers[i];
|
|
|
|
uint32_t trFlags = layer->getTransactionFlags(eTransactionNeeded);
|
|
|
|
if (!trFlags) continue;
|
|
|
|
|
|
|
|
const uint32_t flags = layer->doTransaction(0);
|
|
|
|
if (flags & Layer::eVisibleRegion)
|
|
|
|
mVisibleRegionsDirty = true;
|
|
|
|
|
|
|
|
if (flags & Layer::eRestartTransaction) {
|
|
|
|
// restart the transaction, but back-off a little
|
|
|
|
layer->setTransactionFlags(eTransactionNeeded);
|
|
|
|
setTransactionFlags(eTraversalNeeded, ms2ns(8));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Perform our own transaction if needed
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (transactionFlags & eTransactionNeeded) {
|
|
|
|
if (mCurrentState.orientation != mDrawingState.orientation) {
|
|
|
|
// the orientation has changed, recompute all visible regions
|
|
|
|
// and invalidate everything.
|
|
|
|
|
|
|
|
const int dpy = 0;
|
|
|
|
const int orientation = mCurrentState.orientation;
|
2009-03-26 06:18:56 +00:00
|
|
|
const uint32_t type = mCurrentState.orientationType;
|
2009-03-04 03:31:44 +00:00
|
|
|
GraphicPlane& plane(graphicPlane(dpy));
|
|
|
|
plane.setOrientation(orientation);
|
|
|
|
|
|
|
|
// update the shared control block
|
|
|
|
const DisplayHardware& hw(plane.displayHardware());
|
|
|
|
volatile display_cblk_t* dcblk = mServerCblk->displays + dpy;
|
|
|
|
dcblk->orientation = orientation;
|
|
|
|
if (orientation & eOrientationSwapMask) {
|
|
|
|
// 90 or 270 degrees orientation
|
|
|
|
dcblk->w = hw.getHeight();
|
|
|
|
dcblk->h = hw.getWidth();
|
|
|
|
} else {
|
|
|
|
dcblk->w = hw.getWidth();
|
|
|
|
dcblk->h = hw.getHeight();
|
|
|
|
}
|
|
|
|
|
|
|
|
mVisibleRegionsDirty = true;
|
|
|
|
mDirtyRegion.set(hw.bounds());
|
2009-03-26 06:18:56 +00:00
|
|
|
mFreezeDisplayTime = 0;
|
|
|
|
mOrientationAnimation->onOrientationChanged(type);
|
2009-03-04 03:31:44 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (mCurrentState.freezeDisplay != mDrawingState.freezeDisplay) {
|
|
|
|
// freezing or unfreezing the display -> trigger animation if needed
|
|
|
|
mFreezeDisplay = mCurrentState.freezeDisplay;
|
|
|
|
}
|
|
|
|
|
|
|
|
// some layers might have been removed, so
|
|
|
|
// we need to update the regions they're exposing.
|
2009-08-01 00:38:20 +00:00
|
|
|
const SortedVector<LayerBase*>& removedLayers(mRemovedLayers);
|
|
|
|
size_t c = removedLayers.size();
|
2009-03-04 03:31:44 +00:00
|
|
|
if (c) {
|
|
|
|
mVisibleRegionsDirty = true;
|
2009-08-01 00:38:20 +00:00
|
|
|
while (c--) {
|
|
|
|
mDirtyRegionRemovedLayer.orSelf(
|
|
|
|
removedLayers[c]->visibleRegionScreen);
|
|
|
|
}
|
2009-03-04 03:31:44 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
|
|
if (currentLayers.size() > mDrawingState.layersSortedByZ.size()) {
|
|
|
|
// layers have been added
|
|
|
|
mVisibleRegionsDirty = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// get rid of all resources we don't need anymore
|
|
|
|
// (layers and clients)
|
|
|
|
free_resources_l();
|
|
|
|
}
|
|
|
|
|
|
|
|
commitTransaction();
|
|
|
|
}
|
|
|
|
|
|
|
|
sp<FreezeLock> SurfaceFlinger::getFreezeLock() const
|
|
|
|
{
|
|
|
|
return new FreezeLock(const_cast<SurfaceFlinger *>(this));
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::computeVisibleRegions(
|
|
|
|
LayerVector& currentLayers, Region& dirtyRegion, Region& opaqueRegion)
|
|
|
|
{
|
|
|
|
const GraphicPlane& plane(graphicPlane(0));
|
|
|
|
const Transform& planeTransform(plane.transform());
|
|
|
|
|
|
|
|
Region aboveOpaqueLayers;
|
|
|
|
Region aboveCoveredLayers;
|
|
|
|
Region dirty;
|
|
|
|
|
|
|
|
bool secureFrameBuffer = false;
|
|
|
|
|
|
|
|
size_t i = currentLayers.size();
|
|
|
|
while (i--) {
|
|
|
|
LayerBase* const layer = currentLayers[i];
|
|
|
|
layer->validateVisibility(planeTransform);
|
|
|
|
|
|
|
|
// start with the whole surface at its current location
|
2009-08-01 00:38:20 +00:00
|
|
|
const Layer::State& s(layer->drawingState());
|
2009-03-04 03:31:44 +00:00
|
|
|
|
|
|
|
// handle hidden surfaces by setting the visible region to empty
|
|
|
|
Region opaqueRegion;
|
|
|
|
Region visibleRegion;
|
|
|
|
Region coveredRegion;
|
2009-08-01 00:38:20 +00:00
|
|
|
if (LIKELY(!(s.flags & ISurfaceComposer::eLayerHidden) && s.alpha)) {
|
2009-03-04 03:31:44 +00:00
|
|
|
const bool translucent = layer->needsBlending();
|
2009-08-01 00:38:20 +00:00
|
|
|
const Rect bounds(layer->visibleBounds());
|
2009-03-04 03:31:44 +00:00
|
|
|
visibleRegion.set(bounds);
|
|
|
|
coveredRegion = visibleRegion;
|
|
|
|
|
|
|
|
// Remove the transparent area from the visible region
|
|
|
|
if (translucent) {
|
|
|
|
visibleRegion.subtractSelf(layer->transparentRegionScreen);
|
|
|
|
}
|
|
|
|
|
|
|
|
// compute the opaque region
|
|
|
|
if (s.alpha==255 && !translucent && layer->getOrientation()>=0) {
|
|
|
|
// the opaque region is the visible region
|
|
|
|
opaqueRegion = visibleRegion;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// subtract the opaque region covered by the layers above us
|
|
|
|
visibleRegion.subtractSelf(aboveOpaqueLayers);
|
|
|
|
coveredRegion.andSelf(aboveCoveredLayers);
|
|
|
|
|
|
|
|
// compute this layer's dirty region
|
|
|
|
if (layer->contentDirty) {
|
|
|
|
// we need to invalidate the whole region
|
|
|
|
dirty = visibleRegion;
|
|
|
|
// as well, as the old visible region
|
|
|
|
dirty.orSelf(layer->visibleRegionScreen);
|
|
|
|
layer->contentDirty = false;
|
|
|
|
} else {
|
2009-07-21 18:16:54 +00:00
|
|
|
/* compute the exposed region:
|
|
|
|
* exposed = what's VISIBLE and NOT COVERED now
|
|
|
|
* but was COVERED before
|
|
|
|
*/
|
|
|
|
dirty = (visibleRegion - coveredRegion) & layer->coveredRegionScreen;
|
2009-03-04 03:31:44 +00:00
|
|
|
}
|
|
|
|
dirty.subtractSelf(aboveOpaqueLayers);
|
|
|
|
|
|
|
|
// accumulate to the screen dirty region
|
|
|
|
dirtyRegion.orSelf(dirty);
|
|
|
|
|
|
|
|
// updade aboveOpaqueLayers/aboveCoveredLayers for next (lower) layer
|
|
|
|
aboveOpaqueLayers.orSelf(opaqueRegion);
|
2009-07-21 18:16:54 +00:00
|
|
|
aboveCoveredLayers.orSelf(visibleRegion);
|
2009-03-04 03:31:44 +00:00
|
|
|
|
|
|
|
// Store the visible region is screen space
|
|
|
|
layer->setVisibleRegion(visibleRegion);
|
|
|
|
layer->setCoveredRegion(coveredRegion);
|
|
|
|
|
2009-08-01 00:38:20 +00:00
|
|
|
// If a secure layer is partially visible, lock-down the screen!
|
2009-03-04 03:31:44 +00:00
|
|
|
if (layer->isSecure() && !visibleRegion.isEmpty()) {
|
|
|
|
secureFrameBuffer = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-08-01 00:38:20 +00:00
|
|
|
// invalidate the areas where a layer was removed
|
|
|
|
dirtyRegion.orSelf(mDirtyRegionRemovedLayer);
|
|
|
|
mDirtyRegionRemovedLayer.clear();
|
|
|
|
|
2009-03-04 03:31:44 +00:00
|
|
|
mSecureFrameBuffer = secureFrameBuffer;
|
|
|
|
opaqueRegion = aboveOpaqueLayers;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void SurfaceFlinger::commitTransaction()
|
|
|
|
{
|
|
|
|
mDrawingState = mCurrentState;
|
|
|
|
mTransactionCV.signal();
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::handlePageFlip()
|
|
|
|
{
|
|
|
|
bool visibleRegions = mVisibleRegionsDirty;
|
|
|
|
LayerVector& currentLayers = const_cast<LayerVector&>(mDrawingState.layersSortedByZ);
|
|
|
|
visibleRegions |= lockPageFlip(currentLayers);
|
|
|
|
|
|
|
|
const DisplayHardware& hw = graphicPlane(0).displayHardware();
|
|
|
|
const Region screenRegion(hw.bounds());
|
|
|
|
if (visibleRegions) {
|
|
|
|
Region opaqueRegion;
|
|
|
|
computeVisibleRegions(currentLayers, mDirtyRegion, opaqueRegion);
|
|
|
|
mWormholeRegion = screenRegion.subtract(opaqueRegion);
|
|
|
|
mVisibleRegionsDirty = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
unlockPageFlip(currentLayers);
|
|
|
|
mDirtyRegion.andSelf(screenRegion);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool SurfaceFlinger::lockPageFlip(const LayerVector& currentLayers)
|
|
|
|
{
|
|
|
|
bool recomputeVisibleRegions = false;
|
|
|
|
size_t count = currentLayers.size();
|
|
|
|
LayerBase* const* layers = currentLayers.array();
|
|
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
|
|
LayerBase* const layer = layers[i];
|
|
|
|
layer->lockPageFlip(recomputeVisibleRegions);
|
|
|
|
}
|
|
|
|
return recomputeVisibleRegions;
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::unlockPageFlip(const LayerVector& currentLayers)
|
|
|
|
{
|
|
|
|
const GraphicPlane& plane(graphicPlane(0));
|
|
|
|
const Transform& planeTransform(plane.transform());
|
|
|
|
size_t count = currentLayers.size();
|
|
|
|
LayerBase* const* layers = currentLayers.array();
|
|
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
|
|
LayerBase* const layer = layers[i];
|
|
|
|
layer->unlockPageFlip(planeTransform, mDirtyRegion);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::handleRepaint()
|
|
|
|
{
|
|
|
|
// set the frame buffer
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
glLoadIdentity();
|
|
|
|
|
|
|
|
if (UNLIKELY(mDebugRegion)) {
|
|
|
|
debugFlashRegions();
|
|
|
|
}
|
|
|
|
|
|
|
|
// compute the invalid region
|
|
|
|
mInvalidRegion.orSelf(mDirtyRegion);
|
|
|
|
|
|
|
|
uint32_t flags = hw.getFlags();
|
|
|
|
if (flags & DisplayHardware::BUFFER_PRESERVED) {
|
|
|
|
// here we assume DisplayHardware::flip()'s implementation
|
|
|
|
// performs the copy-back optimization.
|
|
|
|
} else {
|
|
|
|
if (flags & DisplayHardware::UPDATE_ON_DEMAND) {
|
|
|
|
// we need to fully redraw the part that will be updated
|
|
|
|
mDirtyRegion.set(mInvalidRegion.bounds());
|
|
|
|
} else {
|
|
|
|
// we need to redraw everything
|
|
|
|
mDirtyRegion.set(hw.bounds());
|
|
|
|
mInvalidRegion = mDirtyRegion;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// compose all surfaces
|
|
|
|
composeSurfaces(mDirtyRegion);
|
|
|
|
|
|
|
|
// clear the dirty regions
|
|
|
|
mDirtyRegion.clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::composeSurfaces(const Region& dirty)
|
|
|
|
{
|
|
|
|
if (UNLIKELY(!mWormholeRegion.isEmpty())) {
|
|
|
|
// should never happen unless the window manager has a bug
|
|
|
|
// draw something...
|
|
|
|
drawWormhole();
|
|
|
|
}
|
|
|
|
const SurfaceFlinger& flinger(*this);
|
|
|
|
const LayerVector& drawingLayers(mDrawingState.layersSortedByZ);
|
|
|
|
const size_t count = drawingLayers.size();
|
|
|
|
LayerBase const* const* const layers = drawingLayers.array();
|
|
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
|
|
LayerBase const * const layer = layers[i];
|
|
|
|
const Region& visibleRegion(layer->visibleRegionScreen);
|
|
|
|
if (!visibleRegion.isEmpty()) {
|
|
|
|
const Region clip(dirty.intersect(visibleRegion));
|
|
|
|
if (!clip.isEmpty()) {
|
|
|
|
layer->draw(clip);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::unlockClients()
|
|
|
|
{
|
|
|
|
const LayerVector& drawingLayers(mDrawingState.layersSortedByZ);
|
|
|
|
const size_t count = drawingLayers.size();
|
|
|
|
LayerBase* const* const layers = drawingLayers.array();
|
|
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
|
|
LayerBase* const layer = layers[i];
|
|
|
|
layer->finishPageFlip();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::scheduleBroadcast(Client* client)
|
|
|
|
{
|
|
|
|
if (mLastScheduledBroadcast != client) {
|
|
|
|
mLastScheduledBroadcast = client;
|
|
|
|
mScheduledBroadcasts.add(client);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::executeScheduledBroadcasts()
|
|
|
|
{
|
|
|
|
SortedVector<Client*>& list = mScheduledBroadcasts;
|
|
|
|
size_t count = list.size();
|
|
|
|
while (count--) {
|
|
|
|
per_client_cblk_t* const cblk = list[count]->ctrlblk;
|
|
|
|
if (cblk->lock.tryLock() == NO_ERROR) {
|
|
|
|
cblk->cv.broadcast();
|
|
|
|
list.removeAt(count);
|
|
|
|
cblk->lock.unlock();
|
|
|
|
} else {
|
|
|
|
// schedule another round
|
|
|
|
LOGW("executeScheduledBroadcasts() skipped, "
|
|
|
|
"contention on the client. We'll try again later...");
|
|
|
|
signalDelayedEvent(ms2ns(4));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
mLastScheduledBroadcast = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::handleDebugCpu()
|
|
|
|
{
|
|
|
|
Mutex::Autolock _l(mDebugLock);
|
|
|
|
if (mCpuGauge != 0)
|
|
|
|
mCpuGauge->sample();
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::debugFlashRegions()
|
|
|
|
{
|
|
|
|
if (UNLIKELY(!mDirtyRegion.isRect())) {
|
|
|
|
// TODO: do this only if we don't have preserving
|
|
|
|
// swapBuffer. If we don't have update-on-demand,
|
|
|
|
// redraw everything.
|
|
|
|
composeSurfaces(Region(mDirtyRegion.bounds()));
|
|
|
|
}
|
|
|
|
|
|
|
|
glDisable(GL_TEXTURE_2D);
|
|
|
|
glDisable(GL_BLEND);
|
|
|
|
glDisable(GL_DITHER);
|
|
|
|
glDisable(GL_SCISSOR_TEST);
|
|
|
|
|
|
|
|
glColor4x(0x10000, 0, 0x10000, 0x10000);
|
|
|
|
|
|
|
|
Rect r;
|
|
|
|
Region::iterator iterator(mDirtyRegion);
|
|
|
|
while (iterator.iterate(&r)) {
|
|
|
|
GLfloat vertices[][2] = {
|
|
|
|
{ r.left, r.top },
|
|
|
|
{ r.left, r.bottom },
|
|
|
|
{ r.right, r.bottom },
|
|
|
|
{ r.right, r.top }
|
|
|
|
};
|
|
|
|
glVertexPointer(2, GL_FLOAT, 0, vertices);
|
|
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
}
|
|
|
|
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
|
|
hw.flip(mDirtyRegion.merge(mInvalidRegion));
|
|
|
|
mInvalidRegion.clear();
|
|
|
|
|
|
|
|
if (mDebugRegion > 1)
|
|
|
|
usleep(mDebugRegion * 1000);
|
|
|
|
|
|
|
|
glEnable(GL_SCISSOR_TEST);
|
|
|
|
//mDirtyRegion.dump("mDirtyRegion");
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::drawWormhole() const
|
|
|
|
{
|
|
|
|
const Region region(mWormholeRegion.intersect(mDirtyRegion));
|
|
|
|
if (region.isEmpty())
|
|
|
|
return;
|
|
|
|
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
|
|
const int32_t width = hw.getWidth();
|
|
|
|
const int32_t height = hw.getHeight();
|
|
|
|
|
|
|
|
glDisable(GL_BLEND);
|
|
|
|
glDisable(GL_DITHER);
|
|
|
|
|
|
|
|
if (LIKELY(!mDebugBackground)) {
|
|
|
|
glClearColorx(0,0,0,0);
|
|
|
|
Rect r;
|
|
|
|
Region::iterator iterator(region);
|
|
|
|
while (iterator.iterate(&r)) {
|
|
|
|
const GLint sy = height - (r.top + r.height());
|
|
|
|
glScissor(r.left, sy, r.width(), r.height());
|
|
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
const GLshort vertices[][2] = { { 0, 0 }, { width, 0 },
|
|
|
|
{ width, height }, { 0, height } };
|
|
|
|
const GLshort tcoords[][2] = { { 0, 0 }, { 1, 0 }, { 1, 1 }, { 0, 1 } };
|
|
|
|
glVertexPointer(2, GL_SHORT, 0, vertices);
|
|
|
|
glTexCoordPointer(2, GL_SHORT, 0, tcoords);
|
|
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
|
|
glEnable(GL_TEXTURE_2D);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, mWormholeTexName);
|
|
|
|
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
|
|
glMatrixMode(GL_TEXTURE);
|
|
|
|
glLoadIdentity();
|
|
|
|
glScalef(width*(1.0f/32.0f), height*(1.0f/32.0f), 1);
|
|
|
|
Rect r;
|
|
|
|
Region::iterator iterator(region);
|
|
|
|
while (iterator.iterate(&r)) {
|
|
|
|
const GLint sy = height - (r.top + r.height());
|
|
|
|
glScissor(r.left, sy, r.width(), r.height());
|
|
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
}
|
|
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::debugShowFPS() const
|
|
|
|
{
|
|
|
|
static int mFrameCount;
|
|
|
|
static int mLastFrameCount = 0;
|
|
|
|
static nsecs_t mLastFpsTime = 0;
|
|
|
|
static float mFps = 0;
|
|
|
|
mFrameCount++;
|
|
|
|
nsecs_t now = systemTime();
|
|
|
|
nsecs_t diff = now - mLastFpsTime;
|
|
|
|
if (diff > ms2ns(250)) {
|
|
|
|
mFps = ((mFrameCount - mLastFrameCount) * float(s2ns(1))) / diff;
|
|
|
|
mLastFpsTime = now;
|
|
|
|
mLastFrameCount = mFrameCount;
|
|
|
|
}
|
|
|
|
// XXX: mFPS has the value we want
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::addLayer(LayerBase* layer)
|
|
|
|
{
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
addLayer_l(layer);
|
|
|
|
setTransactionFlags(eTransactionNeeded|eTraversalNeeded);
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::removeLayer(LayerBase* layer)
|
|
|
|
{
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
removeLayer_l(layer);
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::invalidateLayerVisibility(LayerBase* layer)
|
|
|
|
{
|
|
|
|
layer->forceVisibilityTransaction();
|
|
|
|
setTransactionFlags(eTraversalNeeded);
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::addLayer_l(LayerBase* layer)
|
|
|
|
{
|
|
|
|
ssize_t i = mCurrentState.layersSortedByZ.add(
|
|
|
|
layer, &LayerBase::compareCurrentStateZ);
|
|
|
|
LayerBaseClient* lbc = LayerBase::dynamicCast<LayerBaseClient*>(layer);
|
|
|
|
if (lbc) {
|
|
|
|
mLayerMap.add(lbc->serverIndex(), lbc);
|
|
|
|
}
|
|
|
|
mRemovedLayers.remove(layer);
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::removeLayer_l(LayerBase* layerBase)
|
|
|
|
{
|
|
|
|
ssize_t index = mCurrentState.layersSortedByZ.remove(layerBase);
|
|
|
|
if (index >= 0) {
|
|
|
|
mRemovedLayers.add(layerBase);
|
|
|
|
LayerBaseClient* layer = LayerBase::dynamicCast<LayerBaseClient*>(layerBase);
|
|
|
|
if (layer) {
|
|
|
|
mLayerMap.removeItem(layer->serverIndex());
|
|
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
// it's possible that we don't find a layer, because it might
|
|
|
|
// have been destroyed already -- this is not technically an error
|
|
|
|
// from the user because there is a race between destroySurface,
|
|
|
|
// destroyclient and destroySurface-from-a-transaction.
|
|
|
|
return (index == NAME_NOT_FOUND) ? status_t(NO_ERROR) : index;
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::free_resources_l()
|
|
|
|
{
|
|
|
|
// Destroy layers that were removed
|
|
|
|
destroy_all_removed_layers_l();
|
|
|
|
|
|
|
|
// free resources associated with disconnected clients
|
|
|
|
SortedVector<Client*>& scheduledBroadcasts(mScheduledBroadcasts);
|
|
|
|
Vector<Client*>& disconnectedClients(mDisconnectedClients);
|
|
|
|
const size_t count = disconnectedClients.size();
|
|
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
|
|
Client* client = disconnectedClients[i];
|
|
|
|
// if this client is the scheduled broadcast list,
|
|
|
|
// remove it from there (and we don't need to signal it
|
|
|
|
// since it is dead).
|
|
|
|
int32_t index = scheduledBroadcasts.indexOf(client);
|
|
|
|
if (index >= 0) {
|
|
|
|
scheduledBroadcasts.removeItemsAt(index);
|
|
|
|
}
|
|
|
|
mTokens.release(client->cid);
|
|
|
|
delete client;
|
|
|
|
}
|
|
|
|
disconnectedClients.clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::destroy_all_removed_layers_l()
|
|
|
|
{
|
|
|
|
size_t c = mRemovedLayers.size();
|
|
|
|
while (c--) {
|
|
|
|
LayerBase* const removed_layer = mRemovedLayers[c];
|
|
|
|
|
|
|
|
LOGE_IF(mCurrentState.layersSortedByZ.indexOf(removed_layer) >= 0,
|
|
|
|
"layer %p removed but still in the current state list",
|
|
|
|
removed_layer);
|
|
|
|
|
|
|
|
delete removed_layer;
|
|
|
|
}
|
|
|
|
mRemovedLayers.clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
uint32_t SurfaceFlinger::getTransactionFlags(uint32_t flags)
|
|
|
|
{
|
|
|
|
return android_atomic_and(~flags, &mTransactionFlags) & flags;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags, nsecs_t delay)
|
|
|
|
{
|
|
|
|
uint32_t old = android_atomic_or(flags, &mTransactionFlags);
|
|
|
|
if ((old & flags)==0) { // wake the server up
|
|
|
|
if (delay > 0) {
|
|
|
|
signalDelayedEvent(delay);
|
|
|
|
} else {
|
|
|
|
signalEvent();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return old;
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::openGlobalTransaction()
|
|
|
|
{
|
|
|
|
android_atomic_inc(&mTransactionCount);
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::closeGlobalTransaction()
|
|
|
|
{
|
|
|
|
if (android_atomic_dec(&mTransactionCount) == 1) {
|
|
|
|
signalEvent();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::freezeDisplay(DisplayID dpy, uint32_t flags)
|
|
|
|
{
|
|
|
|
if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
|
|
|
|
return BAD_VALUE;
|
|
|
|
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
mCurrentState.freezeDisplay = 1;
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
|
|
|
|
// flags is intended to communicate some sort of animation behavior
|
|
|
|
// (for instance fadding)
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::unfreezeDisplay(DisplayID dpy, uint32_t flags)
|
|
|
|
{
|
|
|
|
if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
|
|
|
|
return BAD_VALUE;
|
|
|
|
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
mCurrentState.freezeDisplay = 0;
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
|
|
|
|
// flags is intended to communicate some sort of animation behavior
|
|
|
|
// (for instance fadding)
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
2009-03-26 06:18:56 +00:00
|
|
|
int SurfaceFlinger::setOrientation(DisplayID dpy,
|
|
|
|
int orientation, uint32_t flags)
|
2009-03-04 03:31:44 +00:00
|
|
|
{
|
|
|
|
if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
|
|
|
|
return BAD_VALUE;
|
|
|
|
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
if (mCurrentState.orientation != orientation) {
|
|
|
|
if (uint32_t(orientation)<=eOrientation270 || orientation==42) {
|
2009-03-26 06:18:56 +00:00
|
|
|
mCurrentState.orientationType = flags;
|
2009-03-04 03:31:44 +00:00
|
|
|
mCurrentState.orientation = orientation;
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
mTransactionCV.wait(mStateLock);
|
|
|
|
} else {
|
|
|
|
orientation = BAD_VALUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return orientation;
|
|
|
|
}
|
|
|
|
|
|
|
|
sp<ISurface> SurfaceFlinger::createSurface(ClientID clientId, int pid,
|
|
|
|
ISurfaceFlingerClient::surface_data_t* params,
|
|
|
|
DisplayID d, uint32_t w, uint32_t h, PixelFormat format,
|
|
|
|
uint32_t flags)
|
|
|
|
{
|
|
|
|
LayerBaseClient* layer = 0;
|
|
|
|
sp<LayerBaseClient::Surface> surfaceHandle;
|
2009-07-29 21:25:07 +00:00
|
|
|
|
|
|
|
if (int32_t(w|h) < 0) {
|
|
|
|
LOGE("createSurface() failed, w or h is negative (w=%d, h=%d)",
|
|
|
|
int(w), int(h));
|
|
|
|
return surfaceHandle;
|
|
|
|
}
|
|
|
|
|
2009-03-04 03:31:44 +00:00
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
Client* const c = mClientsMap.valueFor(clientId);
|
|
|
|
if (UNLIKELY(!c)) {
|
|
|
|
LOGE("createSurface() failed, client not found (id=%d)", clientId);
|
|
|
|
return surfaceHandle;
|
|
|
|
}
|
|
|
|
|
|
|
|
//LOGD("createSurface for pid %d (%d x %d)", pid, w, h);
|
|
|
|
int32_t id = c->generateId(pid);
|
|
|
|
if (uint32_t(id) >= NUM_LAYERS_MAX) {
|
|
|
|
LOGE("createSurface() failed, generateId = %d", id);
|
|
|
|
return surfaceHandle;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (flags & eFXSurfaceMask) {
|
|
|
|
case eFXSurfaceNormal:
|
|
|
|
if (UNLIKELY(flags & ePushBuffers)) {
|
|
|
|
layer = createPushBuffersSurfaceLocked(c, d, id, w, h, flags);
|
|
|
|
} else {
|
|
|
|
layer = createNormalSurfaceLocked(c, d, id, w, h, format, flags);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case eFXSurfaceBlur:
|
|
|
|
layer = createBlurSurfaceLocked(c, d, id, w, h, flags);
|
|
|
|
break;
|
|
|
|
case eFXSurfaceDim:
|
|
|
|
layer = createDimSurfaceLocked(c, d, id, w, h, flags);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (layer) {
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
surfaceHandle = layer->getSurface();
|
|
|
|
if (surfaceHandle != 0)
|
|
|
|
surfaceHandle->getSurfaceData(params);
|
|
|
|
}
|
|
|
|
|
|
|
|
return surfaceHandle;
|
|
|
|
}
|
|
|
|
|
|
|
|
LayerBaseClient* SurfaceFlinger::createNormalSurfaceLocked(
|
|
|
|
Client* client, DisplayID display,
|
|
|
|
int32_t id, uint32_t w, uint32_t h, PixelFormat format, uint32_t flags)
|
|
|
|
{
|
|
|
|
// initialize the surfaces
|
|
|
|
switch (format) { // TODO: take h/w into account
|
|
|
|
case PIXEL_FORMAT_TRANSPARENT:
|
|
|
|
case PIXEL_FORMAT_TRANSLUCENT:
|
|
|
|
format = PIXEL_FORMAT_RGBA_8888;
|
|
|
|
break;
|
|
|
|
case PIXEL_FORMAT_OPAQUE:
|
|
|
|
format = PIXEL_FORMAT_RGB_565;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
Layer* layer = new Layer(this, display, client, id);
|
|
|
|
status_t err = layer->setBuffers(client, w, h, format, flags);
|
|
|
|
if (LIKELY(err == NO_ERROR)) {
|
|
|
|
layer->initStates(w, h, flags);
|
|
|
|
addLayer_l(layer);
|
|
|
|
} else {
|
|
|
|
LOGE("createNormalSurfaceLocked() failed (%s)", strerror(-err));
|
|
|
|
delete layer;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return layer;
|
|
|
|
}
|
|
|
|
|
|
|
|
LayerBaseClient* SurfaceFlinger::createBlurSurfaceLocked(
|
|
|
|
Client* client, DisplayID display,
|
|
|
|
int32_t id, uint32_t w, uint32_t h, uint32_t flags)
|
|
|
|
{
|
|
|
|
LayerBlur* layer = new LayerBlur(this, display, client, id);
|
|
|
|
layer->initStates(w, h, flags);
|
|
|
|
addLayer_l(layer);
|
|
|
|
return layer;
|
|
|
|
}
|
|
|
|
|
|
|
|
LayerBaseClient* SurfaceFlinger::createDimSurfaceLocked(
|
|
|
|
Client* client, DisplayID display,
|
|
|
|
int32_t id, uint32_t w, uint32_t h, uint32_t flags)
|
|
|
|
{
|
|
|
|
LayerDim* layer = new LayerDim(this, display, client, id);
|
|
|
|
layer->initStates(w, h, flags);
|
|
|
|
addLayer_l(layer);
|
|
|
|
return layer;
|
|
|
|
}
|
|
|
|
|
|
|
|
LayerBaseClient* SurfaceFlinger::createPushBuffersSurfaceLocked(
|
|
|
|
Client* client, DisplayID display,
|
|
|
|
int32_t id, uint32_t w, uint32_t h, uint32_t flags)
|
|
|
|
{
|
|
|
|
LayerBuffer* layer = new LayerBuffer(this, display, client, id);
|
|
|
|
layer->initStates(w, h, flags);
|
|
|
|
addLayer_l(layer);
|
|
|
|
return layer;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::destroySurface(SurfaceID index)
|
|
|
|
{
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
LayerBaseClient* const layer = getLayerUser_l(index);
|
|
|
|
status_t err = removeLayer_l(layer);
|
|
|
|
if (err < 0)
|
|
|
|
return err;
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::setClientState(
|
|
|
|
ClientID cid,
|
|
|
|
int32_t count,
|
|
|
|
const layer_state_t* states)
|
|
|
|
{
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
uint32_t flags = 0;
|
|
|
|
cid <<= 16;
|
|
|
|
for (int i=0 ; i<count ; i++) {
|
|
|
|
const layer_state_t& s = states[i];
|
|
|
|
LayerBaseClient* layer = getLayerUser_l(s.surface | cid);
|
|
|
|
if (layer) {
|
|
|
|
const uint32_t what = s.what;
|
|
|
|
// check if it has been destroyed first
|
|
|
|
if (what & eDestroyed) {
|
|
|
|
if (removeLayer_l(layer) == NO_ERROR) {
|
|
|
|
flags |= eTransactionNeeded;
|
|
|
|
// we skip everything else... well, no, not really
|
|
|
|
// we skip ONLY that transaction.
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (what & ePositionChanged) {
|
|
|
|
if (layer->setPosition(s.x, s.y))
|
|
|
|
flags |= eTraversalNeeded;
|
|
|
|
}
|
|
|
|
if (what & eLayerChanged) {
|
|
|
|
if (layer->setLayer(s.z)) {
|
|
|
|
mCurrentState.layersSortedByZ.reorder(
|
|
|
|
layer, &Layer::compareCurrentStateZ);
|
|
|
|
// we need traversal (state changed)
|
|
|
|
// AND transaction (list changed)
|
|
|
|
flags |= eTransactionNeeded|eTraversalNeeded;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (what & eSizeChanged) {
|
|
|
|
if (layer->setSize(s.w, s.h))
|
|
|
|
flags |= eTraversalNeeded;
|
|
|
|
}
|
|
|
|
if (what & eAlphaChanged) {
|
|
|
|
if (layer->setAlpha(uint8_t(255.0f*s.alpha+0.5f)))
|
|
|
|
flags |= eTraversalNeeded;
|
|
|
|
}
|
|
|
|
if (what & eMatrixChanged) {
|
|
|
|
if (layer->setMatrix(s.matrix))
|
|
|
|
flags |= eTraversalNeeded;
|
|
|
|
}
|
|
|
|
if (what & eTransparentRegionChanged) {
|
|
|
|
if (layer->setTransparentRegionHint(s.transparentRegion))
|
|
|
|
flags |= eTraversalNeeded;
|
|
|
|
}
|
|
|
|
if (what & eVisibilityChanged) {
|
|
|
|
if (layer->setFlags(s.flags, s.mask))
|
|
|
|
flags |= eTraversalNeeded;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (flags) {
|
|
|
|
setTransactionFlags(flags);
|
|
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
LayerBaseClient* SurfaceFlinger::getLayerUser_l(SurfaceID s) const
|
|
|
|
{
|
|
|
|
return mLayerMap.valueFor(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::screenReleased(int dpy)
|
|
|
|
{
|
|
|
|
// this may be called by a signal handler, we can't do too much in here
|
|
|
|
android_atomic_or(eConsoleReleased, &mConsoleSignals);
|
|
|
|
signalEvent();
|
|
|
|
}
|
|
|
|
|
|
|
|
void SurfaceFlinger::screenAcquired(int dpy)
|
|
|
|
{
|
|
|
|
// this may be called by a signal handler, we can't do too much in here
|
|
|
|
android_atomic_or(eConsoleAcquired, &mConsoleSignals);
|
|
|
|
signalEvent();
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
|
|
|
|
{
|
|
|
|
const size_t SIZE = 1024;
|
|
|
|
char buffer[SIZE];
|
|
|
|
String8 result;
|
|
|
|
if (checkCallingPermission(
|
|
|
|
String16("android.permission.DUMP")) == false)
|
|
|
|
{ // not allowed
|
|
|
|
snprintf(buffer, SIZE, "Permission Denial: "
|
|
|
|
"can't dump SurfaceFlinger from pid=%d, uid=%d\n",
|
|
|
|
IPCThreadState::self()->getCallingPid(),
|
|
|
|
IPCThreadState::self()->getCallingUid());
|
|
|
|
result.append(buffer);
|
|
|
|
} else {
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
size_t s = mClientsMap.size();
|
|
|
|
char name[64];
|
|
|
|
for (size_t i=0 ; i<s ; i++) {
|
|
|
|
Client* client = mClientsMap.valueAt(i);
|
|
|
|
sprintf(name, " Client (id=0x%08x)", client->cid);
|
|
|
|
client->dump(name);
|
|
|
|
}
|
|
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
|
|
const size_t count = currentLayers.size();
|
|
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
|
|
/*** LayerBase ***/
|
|
|
|
LayerBase const * const layer = currentLayers[i];
|
|
|
|
const Layer::State& s = layer->drawingState();
|
|
|
|
snprintf(buffer, SIZE,
|
|
|
|
"+ %s %p\n"
|
|
|
|
" "
|
|
|
|
"z=%9d, pos=(%4d,%4d), size=(%4d,%4d), "
|
|
|
|
"needsBlending=%1d, invalidate=%1d, "
|
|
|
|
"alpha=0x%02x, flags=0x%08x, tr=[%.2f, %.2f][%.2f, %.2f]\n",
|
|
|
|
layer->getTypeID(), layer,
|
|
|
|
s.z, layer->tx(), layer->ty(), s.w, s.h,
|
|
|
|
layer->needsBlending(), layer->contentDirty,
|
|
|
|
s.alpha, s.flags,
|
|
|
|
s.transform[0], s.transform[1],
|
|
|
|
s.transform[2], s.transform[3]);
|
|
|
|
result.append(buffer);
|
|
|
|
buffer[0] = 0;
|
|
|
|
/*** LayerBaseClient ***/
|
|
|
|
LayerBaseClient* const lbc =
|
|
|
|
LayerBase::dynamicCast<LayerBaseClient*>((LayerBase*)layer);
|
|
|
|
if (lbc) {
|
|
|
|
snprintf(buffer, SIZE,
|
|
|
|
" "
|
|
|
|
"id=0x%08x, client=0x%08x, identity=%u\n",
|
|
|
|
lbc->clientIndex(), lbc->client ? lbc->client->cid : 0,
|
|
|
|
lbc->getIdentity());
|
|
|
|
}
|
|
|
|
result.append(buffer);
|
|
|
|
buffer[0] = 0;
|
|
|
|
/*** Layer ***/
|
|
|
|
Layer* const l = LayerBase::dynamicCast<Layer*>((LayerBase*)layer);
|
|
|
|
if (l) {
|
|
|
|
const LayerBitmap& buf0(l->getBuffer(0));
|
|
|
|
const LayerBitmap& buf1(l->getBuffer(1));
|
|
|
|
snprintf(buffer, SIZE,
|
|
|
|
" "
|
|
|
|
"format=%2d, [%3ux%3u:%3u] [%3ux%3u:%3u], mTextureName=%d,"
|
|
|
|
" freezeLock=%p, swapState=0x%08x\n",
|
|
|
|
l->pixelFormat(),
|
|
|
|
buf0.width(), buf0.height(), buf0.stride(),
|
|
|
|
buf1.width(), buf1.height(), buf1.stride(),
|
|
|
|
l->getTextureName(), l->getFreezeLock().get(),
|
|
|
|
l->lcblk->swapState);
|
|
|
|
}
|
|
|
|
result.append(buffer);
|
|
|
|
buffer[0] = 0;
|
|
|
|
s.transparentRegion.dump(result, "transparentRegion");
|
|
|
|
layer->transparentRegionScreen.dump(result, "transparentRegionScreen");
|
|
|
|
layer->visibleRegionScreen.dump(result, "visibleRegionScreen");
|
|
|
|
}
|
|
|
|
mWormholeRegion.dump(result, "WormholeRegion");
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
|
|
snprintf(buffer, SIZE,
|
|
|
|
" display frozen: %s, freezeCount=%d, orientation=%d, canDraw=%d\n",
|
|
|
|
mFreezeDisplay?"yes":"no", mFreezeCount,
|
|
|
|
mCurrentState.orientation, hw.canDraw());
|
|
|
|
result.append(buffer);
|
|
|
|
|
|
|
|
sp<AllocatorInterface> allocator;
|
|
|
|
if (mGPU != 0) {
|
|
|
|
snprintf(buffer, SIZE, " GPU owner: %d\n", mGPU->getOwner());
|
|
|
|
result.append(buffer);
|
|
|
|
allocator = mGPU->getAllocator();
|
|
|
|
if (allocator != 0) {
|
|
|
|
allocator->dump(result, "GPU Allocator");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
allocator = mSurfaceHeapManager->getAllocator(NATIVE_MEMORY_TYPE_PMEM);
|
|
|
|
if (allocator != 0) {
|
|
|
|
allocator->dump(result, "PMEM Allocator");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
write(fd, result.string(), result.size());
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t SurfaceFlinger::onTransact(
|
|
|
|
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
|
|
|
|
{
|
|
|
|
switch (code) {
|
|
|
|
case CREATE_CONNECTION:
|
|
|
|
case OPEN_GLOBAL_TRANSACTION:
|
|
|
|
case CLOSE_GLOBAL_TRANSACTION:
|
|
|
|
case SET_ORIENTATION:
|
|
|
|
case FREEZE_DISPLAY:
|
|
|
|
case UNFREEZE_DISPLAY:
|
|
|
|
case BOOT_FINISHED:
|
|
|
|
case REVOKE_GPU:
|
|
|
|
{
|
|
|
|
// codes that require permission check
|
|
|
|
IPCThreadState* ipc = IPCThreadState::self();
|
|
|
|
const int pid = ipc->getCallingPid();
|
2009-07-21 18:16:54 +00:00
|
|
|
const int uid = ipc->getCallingUid();
|
2009-03-04 03:31:44 +00:00
|
|
|
const int self_pid = getpid();
|
2009-07-21 18:16:54 +00:00
|
|
|
if (UNLIKELY(pid != self_pid && uid != AID_GRAPHICS)) {
|
2009-03-04 03:31:44 +00:00
|
|
|
// we're called from a different process, do the real check
|
|
|
|
if (!checkCallingPermission(
|
|
|
|
String16("android.permission.ACCESS_SURFACE_FLINGER")))
|
|
|
|
{
|
|
|
|
LOGE("Permission Denial: "
|
|
|
|
"can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
|
|
|
|
return PERMISSION_DENIED;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t err = BnSurfaceComposer::onTransact(code, data, reply, flags);
|
|
|
|
if (err == UNKNOWN_TRANSACTION || err == PERMISSION_DENIED) {
|
|
|
|
// HARDWARE_TEST stuff...
|
|
|
|
if (UNLIKELY(checkCallingPermission(
|
|
|
|
String16("android.permission.HARDWARE_TEST")) == false))
|
|
|
|
{ // not allowed
|
|
|
|
LOGE("Permission Denial: pid=%d, uid=%d\n",
|
|
|
|
IPCThreadState::self()->getCallingPid(),
|
|
|
|
IPCThreadState::self()->getCallingUid());
|
|
|
|
return PERMISSION_DENIED;
|
|
|
|
}
|
|
|
|
int n;
|
|
|
|
switch (code) {
|
|
|
|
case 1000: // SHOW_CPU
|
|
|
|
n = data.readInt32();
|
|
|
|
mDebugCpu = n ? 1 : 0;
|
|
|
|
if (mDebugCpu) {
|
|
|
|
if (mCpuGauge == 0) {
|
|
|
|
mCpuGauge = new CPUGauge(this, ms2ns(500));
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (mCpuGauge != 0) {
|
|
|
|
mCpuGauge->requestExitAndWait();
|
|
|
|
Mutex::Autolock _l(mDebugLock);
|
|
|
|
mCpuGauge.clear();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
case 1001: // SHOW_FPS
|
|
|
|
n = data.readInt32();
|
|
|
|
mDebugFps = n ? 1 : 0;
|
|
|
|
return NO_ERROR;
|
|
|
|
case 1002: // SHOW_UPDATES
|
|
|
|
n = data.readInt32();
|
|
|
|
mDebugRegion = n ? n : (mDebugRegion ? 0 : 1);
|
|
|
|
return NO_ERROR;
|
|
|
|
case 1003: // SHOW_BACKGROUND
|
|
|
|
n = data.readInt32();
|
|
|
|
mDebugBackground = n ? 1 : 0;
|
|
|
|
return NO_ERROR;
|
|
|
|
case 1004:{ // repaint everything
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
|
|
mDirtyRegion.set(hw.bounds()); // careful that's not thread-safe
|
|
|
|
signalEvent();
|
|
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
case 1005: // ask GPU revoke
|
2009-05-20 18:28:04 +00:00
|
|
|
if (mGPU != 0) {
|
|
|
|
mGPU->friendlyRevoke();
|
|
|
|
}
|
2009-03-04 03:31:44 +00:00
|
|
|
return NO_ERROR;
|
|
|
|
case 1006: // revoke GPU
|
2009-05-20 18:28:04 +00:00
|
|
|
if (mGPU != 0) {
|
|
|
|
mGPU->unconditionalRevoke();
|
|
|
|
}
|
2009-03-04 03:31:44 +00:00
|
|
|
return NO_ERROR;
|
|
|
|
case 1007: // set mFreezeCount
|
|
|
|
mFreezeCount = data.readInt32();
|
|
|
|
return NO_ERROR;
|
|
|
|
case 1010: // interrogate.
|
|
|
|
reply->writeInt32(mDebugCpu);
|
|
|
|
reply->writeInt32(0);
|
|
|
|
reply->writeInt32(mDebugRegion);
|
|
|
|
reply->writeInt32(mDebugBackground);
|
|
|
|
return NO_ERROR;
|
|
|
|
case 1013: {
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
|
|
reply->writeInt32(hw.getPageFlipCount());
|
|
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
#if 0
|
|
|
|
#pragma mark -
|
|
|
|
#endif
|
|
|
|
|
|
|
|
Client::Client(ClientID clientID, const sp<SurfaceFlinger>& flinger)
|
|
|
|
: ctrlblk(0), cid(clientID), mPid(0), mBitmap(0), mFlinger(flinger)
|
|
|
|
{
|
|
|
|
mSharedHeapAllocator = getSurfaceHeapManager()->createHeap();
|
|
|
|
const int pgsize = getpagesize();
|
|
|
|
const int cblksize=((sizeof(per_client_cblk_t)+(pgsize-1))&~(pgsize-1));
|
|
|
|
mCblkHeap = new MemoryDealer(cblksize);
|
|
|
|
mCblkMemory = mCblkHeap->allocate(cblksize);
|
|
|
|
if (mCblkMemory != 0) {
|
|
|
|
ctrlblk = static_cast<per_client_cblk_t *>(mCblkMemory->pointer());
|
|
|
|
if (ctrlblk) { // construct the shared structure in-place.
|
|
|
|
new(ctrlblk) per_client_cblk_t;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Client::~Client() {
|
|
|
|
if (ctrlblk) {
|
|
|
|
const int pgsize = getpagesize();
|
|
|
|
ctrlblk->~per_client_cblk_t(); // destroy our shared-structure.
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
const sp<SurfaceHeapManager>& Client::getSurfaceHeapManager() const {
|
|
|
|
return mFlinger->getSurfaceHeapManager();
|
|
|
|
}
|
|
|
|
|
|
|
|
int32_t Client::generateId(int pid)
|
|
|
|
{
|
|
|
|
const uint32_t i = clz( ~mBitmap );
|
|
|
|
if (i >= NUM_LAYERS_MAX) {
|
|
|
|
return NO_MEMORY;
|
|
|
|
}
|
|
|
|
mPid = pid;
|
|
|
|
mInUse.add(uint8_t(i));
|
|
|
|
mBitmap |= 1<<(31-i);
|
|
|
|
return i;
|
|
|
|
}
|
|
|
|
status_t Client::bindLayer(LayerBaseClient* layer, int32_t id)
|
|
|
|
{
|
|
|
|
ssize_t idx = mInUse.indexOf(id);
|
|
|
|
if (idx < 0)
|
|
|
|
return NAME_NOT_FOUND;
|
|
|
|
return mLayers.insertAt(layer, idx);
|
|
|
|
}
|
|
|
|
void Client::free(int32_t id)
|
|
|
|
{
|
|
|
|
ssize_t idx = mInUse.remove(uint8_t(id));
|
|
|
|
if (idx >= 0) {
|
|
|
|
mBitmap &= ~(1<<(31-id));
|
|
|
|
mLayers.removeItemsAt(idx);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
sp<MemoryDealer> Client::createAllocator(uint32_t flags)
|
|
|
|
{
|
|
|
|
sp<MemoryDealer> allocator;
|
|
|
|
allocator = getSurfaceHeapManager()->createHeap(
|
|
|
|
flags, getClientPid(), mSharedHeapAllocator);
|
|
|
|
return allocator;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool Client::isValid(int32_t i) const {
|
|
|
|
return (uint32_t(i)<NUM_LAYERS_MAX) && (mBitmap & (1<<(31-i)));
|
|
|
|
}
|
|
|
|
const uint8_t* Client::inUseArray() const {
|
|
|
|
return mInUse.array();
|
|
|
|
}
|
|
|
|
size_t Client::numActiveLayers() const {
|
|
|
|
return mInUse.size();
|
|
|
|
}
|
|
|
|
LayerBaseClient* Client::getLayerUser(int32_t i) const {
|
|
|
|
ssize_t idx = mInUse.indexOf(uint8_t(i));
|
|
|
|
if (idx<0) return 0;
|
|
|
|
return mLayers[idx];
|
|
|
|
}
|
|
|
|
|
|
|
|
void Client::dump(const char* what)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
#if 0
|
|
|
|
#pragma mark -
|
|
|
|
#endif
|
|
|
|
|
|
|
|
BClient::BClient(SurfaceFlinger *flinger, ClientID cid, const sp<IMemory>& cblk)
|
|
|
|
: mId(cid), mFlinger(flinger), mCblk(cblk)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
BClient::~BClient() {
|
|
|
|
// destroy all resources attached to this client
|
|
|
|
mFlinger->destroyConnection(mId);
|
|
|
|
}
|
|
|
|
|
|
|
|
void BClient::getControlBlocks(sp<IMemory>* ctrl) const {
|
|
|
|
*ctrl = mCblk;
|
|
|
|
}
|
|
|
|
|
|
|
|
sp<ISurface> BClient::createSurface(
|
|
|
|
ISurfaceFlingerClient::surface_data_t* params, int pid,
|
|
|
|
DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
|
|
|
|
uint32_t flags)
|
|
|
|
{
|
|
|
|
return mFlinger->createSurface(mId, pid, params, display, w, h, format, flags);
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t BClient::destroySurface(SurfaceID sid)
|
|
|
|
{
|
|
|
|
sid |= (mId << 16); // add the client-part to id
|
|
|
|
return mFlinger->destroySurface(sid);
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t BClient::setState(int32_t count, const layer_state_t* states)
|
|
|
|
{
|
|
|
|
return mFlinger->setClientState(mId, count, states);
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
GraphicPlane::GraphicPlane()
|
|
|
|
: mHw(0)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
GraphicPlane::~GraphicPlane() {
|
|
|
|
delete mHw;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool GraphicPlane::initialized() const {
|
|
|
|
return mHw ? true : false;
|
|
|
|
}
|
|
|
|
|
|
|
|
void GraphicPlane::setDisplayHardware(DisplayHardware *hw) {
|
|
|
|
mHw = hw;
|
|
|
|
}
|
|
|
|
|
|
|
|
void GraphicPlane::setTransform(const Transform& tr) {
|
|
|
|
mTransform = tr;
|
|
|
|
mGlobalTransform = mOrientationTransform * mTransform;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t GraphicPlane::orientationToTransfrom(
|
|
|
|
int orientation, int w, int h, Transform* tr)
|
|
|
|
{
|
|
|
|
float a, b, c, d, x, y;
|
|
|
|
switch (orientation) {
|
|
|
|
case ISurfaceComposer::eOrientationDefault:
|
|
|
|
a=1; b=0; c=0; d=1; x=0; y=0;
|
|
|
|
break;
|
|
|
|
case ISurfaceComposer::eOrientation90:
|
|
|
|
a=0; b=-1; c=1; d=0; x=w; y=0;
|
|
|
|
break;
|
|
|
|
case ISurfaceComposer::eOrientation180:
|
|
|
|
a=-1; b=0; c=0; d=-1; x=w; y=h;
|
|
|
|
break;
|
|
|
|
case ISurfaceComposer::eOrientation270:
|
|
|
|
a=0; b=1; c=-1; d=0; x=0; y=h;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return BAD_VALUE;
|
|
|
|
}
|
|
|
|
tr->set(a, b, c, d);
|
|
|
|
tr->set(x, y);
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
status_t GraphicPlane::setOrientation(int orientation)
|
|
|
|
{
|
|
|
|
const DisplayHardware& hw(displayHardware());
|
|
|
|
const float w = hw.getWidth();
|
|
|
|
const float h = hw.getHeight();
|
|
|
|
|
|
|
|
if (orientation == ISurfaceComposer::eOrientationDefault) {
|
|
|
|
// make sure the default orientation is optimal
|
|
|
|
mOrientationTransform.reset();
|
2009-03-26 04:42:35 +00:00
|
|
|
mOrientation = orientation;
|
2009-03-04 03:31:44 +00:00
|
|
|
mGlobalTransform = mTransform;
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
// If the rotation can be handled in hardware, this is where
|
|
|
|
// the magic should happen.
|
|
|
|
if (UNLIKELY(orientation == 42)) {
|
|
|
|
float a, b, c, d, x, y;
|
|
|
|
const float r = (3.14159265f / 180.0f) * 42.0f;
|
|
|
|
const float si = sinf(r);
|
|
|
|
const float co = cosf(r);
|
|
|
|
a=co; b=-si; c=si; d=co;
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x = si*(h*0.5f) + (1-co)*(w*0.5f);
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y =-si*(w*0.5f) + (1-co)*(h*0.5f);
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mOrientationTransform.set(a, b, c, d);
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mOrientationTransform.set(x, y);
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} else {
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GraphicPlane::orientationToTransfrom(orientation, w, h,
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&mOrientationTransform);
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}
|
2009-03-26 04:42:35 +00:00
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mOrientation = orientation;
|
2009-03-04 03:31:44 +00:00
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mGlobalTransform = mOrientationTransform * mTransform;
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|
|
|
return NO_ERROR;
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|
|
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}
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const DisplayHardware& GraphicPlane::displayHardware() const {
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return *mHw;
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|
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}
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const Transform& GraphicPlane::transform() const {
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|
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return mGlobalTransform;
|
|
|
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}
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// ---------------------------------------------------------------------------
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|
|
|
|
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}; // namespace android
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