2765 lines
88 KiB
C++
2765 lines
88 KiB
C++
/*
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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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#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 <limits.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 <binder/IPCThreadState.h>
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#include <binder/IServiceManager.h>
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#include <binder/MemoryHeapBase.h>
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#include <binder/PermissionCache.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/GraphicBufferAllocator.h>
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#include <ui/GraphicLog.h>
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#include <ui/PixelFormat.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 "GLExtensions.h"
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#include "DdmConnection.h"
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#include "Layer.h"
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#include "LayerDim.h"
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#include "LayerScreenshot.h"
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#include "SurfaceFlinger.h"
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#include "DisplayHardware/DisplayHardware.h"
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#include "DisplayHardware/HWComposer.h"
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#include <private/surfaceflinger/SharedBufferStack.h>
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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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#define DISPLAY_COUNT 1
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namespace android {
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// ---------------------------------------------------------------------------
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const String16 sHardwareTest("android.permission.HARDWARE_TEST");
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const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
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const String16 sReadFramebuffer("android.permission.READ_FRAME_BUFFER");
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const String16 sDump("android.permission.DUMP");
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// ---------------------------------------------------------------------------
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SurfaceFlinger::SurfaceFlinger()
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: BnSurfaceComposer(), Thread(false),
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mTransactionFlags(0),
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mResizeTransationPending(false),
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mLayersRemoved(false),
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mBootTime(systemTime()),
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mVisibleRegionsDirty(false),
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mHwWorkListDirty(false),
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mFreezeDisplay(false),
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mElectronBeamAnimationMode(0),
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mFreezeCount(0),
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mFreezeDisplayTime(0),
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mDebugRegion(0),
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mDebugBackground(0),
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mDebugDDMS(0),
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mDebugDisableHWC(0),
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mDebugDisableTransformHint(0),
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mDebugInSwapBuffers(0),
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mLastSwapBufferTime(0),
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mDebugInTransaction(0),
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mLastTransactionTime(0),
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mBootFinished(false),
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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.showbackground", value, "0");
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mDebugBackground = atoi(value);
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property_get("debug.sf.ddms", value, "0");
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mDebugDDMS = atoi(value);
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if (mDebugDDMS) {
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DdmConnection::start(getServiceName());
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}
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LOGI_IF(mDebugRegion, "showupdates enabled");
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LOGI_IF(mDebugBackground, "showbackground enabled");
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LOGI_IF(mDebugDDMS, "DDMS debugging 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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}
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sp<IMemoryHeap> SurfaceFlinger::getCblk() const
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{
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return mServerHeap;
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}
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sp<ISurfaceComposerClient> SurfaceFlinger::createConnection()
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{
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sp<ISurfaceComposerClient> bclient;
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sp<Client> client(new Client(this));
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status_t err = client->initCheck();
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if (err == NO_ERROR) {
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bclient = client;
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}
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return bclient;
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}
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sp<IGraphicBufferAlloc> SurfaceFlinger::createGraphicBufferAlloc()
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{
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sp<GraphicBufferAlloc> gba(new GraphicBufferAlloc());
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return gba;
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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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LOGI("Boot is finished (%ld ms)", long(ns2ms(duration)) );
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mBootFinished = true;
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// wait patiently for the window manager death
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const String16 name("window");
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sp<IBinder> window(defaultServiceManager()->getService(name));
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if (window != 0) {
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window->linkToDeath(this);
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}
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// stop boot animation
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property_set("ctl.stop", "bootanim");
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}
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void SurfaceFlinger::binderDied(const wp<IBinder>& who)
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{
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// the window manager died on us. prepare its eulogy.
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// unfreeze the screen in case it was... frozen
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mFreezeDisplayTime = 0;
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mFreezeCount = 0;
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mFreezeDisplay = false;
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// reset screen orientation
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setOrientation(0, eOrientationDefault, 0);
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// restart the boot-animation
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property_set("ctl.start", "bootanim");
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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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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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// we only support one display currently
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int dpy = 0;
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{
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// initialize the main display
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GraphicPlane& plane(graphicPlane(dpy));
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DisplayHardware* const hw = new DisplayHardware(this, dpy);
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plane.setDisplayHardware(hw);
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}
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// create the shared control-block
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mServerHeap = new MemoryHeapBase(4096,
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MemoryHeapBase::READ_ONLY, "SurfaceFlinger read-only heap");
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LOGE_IF(mServerHeap==0, "can't create shared memory dealer");
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mServerCblk = static_cast<surface_flinger_cblk_t*>(mServerHeap->getBase());
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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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// initialize primary screen
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// (other display should be initialized in the same manner, but
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// asynchronously, as they could come and go. None of this is supported
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// yet).
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const GraphicPlane& plane(graphicPlane(dpy));
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const DisplayHardware& hw = plane.displayHardware();
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const uint32_t w = hw.getWidth();
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const uint32_t h = hw.getHeight();
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const uint32_t f = hw.getFormat();
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hw.makeCurrent();
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// initialize the shared control block
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mServerCblk->connected |= 1<<dpy;
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display_cblk_t* dcblk = mServerCblk->displays + dpy;
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memset(dcblk, 0, sizeof(display_cblk_t));
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dcblk->w = plane.getWidth();
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dcblk->h = plane.getHeight();
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dcblk->format = f;
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dcblk->orientation = ISurfaceComposer::eOrientationDefault;
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dcblk->xdpi = hw.getDpiX();
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dcblk->ydpi = hw.getDpiY();
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dcblk->fps = hw.getRefreshRate();
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dcblk->density = hw.getDensity();
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// Initialize OpenGL|ES
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glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
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glPixelStorei(GL_PACK_ALIGNMENT, 4);
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glEnableClientState(GL_VERTEX_ARRAY);
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glEnable(GL_SCISSOR_TEST);
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glShadeModel(GL_FLAT);
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glDisable(GL_DITHER);
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glDisable(GL_CULL_FACE);
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const uint16_t g0 = pack565(0x0F,0x1F,0x0F);
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const uint16_t g1 = pack565(0x17,0x2f,0x17);
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const uint16_t wormholeTexData[4] = { g0, g1, g1, g0 };
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glGenTextures(1, &mWormholeTexName);
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glBindTexture(GL_TEXTURE_2D, mWormholeTexName);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 2, 2, 0,
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GL_RGB, GL_UNSIGNED_SHORT_5_6_5, wormholeTexData);
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const uint16_t protTexData[] = { pack565(0x03, 0x03, 0x03) };
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glGenTextures(1, &mProtectedTexName);
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glBindTexture(GL_TEXTURE_2D, mProtectedTexName);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 1, 0,
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GL_RGB, GL_UNSIGNED_SHORT_5_6_5, protTexData);
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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// put the origin in the left-bottom corner
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glOrthof(0, w, 0, h, 0, 1); // l=0, r=w ; b=0, t=h
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mReadyToRunBarrier.open();
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/*
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* We're now ready to accept clients...
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*/
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// start boot animation
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property_set("ctl.start", "bootanim");
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return NO_ERROR;
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}
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// ----------------------------------------------------------------------------
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#if 0
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#pragma mark -
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#pragma mark Events Handler
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#endif
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void SurfaceFlinger::waitForEvent()
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{
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while (true) {
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nsecs_t timeout = -1;
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const nsecs_t freezeDisplayTimeout = ms2ns(5000);
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if (UNLIKELY(isFrozen())) {
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// wait 5 seconds
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const nsecs_t now = systemTime();
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if (mFreezeDisplayTime == 0) {
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mFreezeDisplayTime = now;
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}
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nsecs_t waitTime = freezeDisplayTimeout - (now - mFreezeDisplayTime);
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timeout = waitTime>0 ? waitTime : 0;
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}
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sp<MessageBase> msg = mEventQueue.waitMessage(timeout);
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// see if we timed out
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if (isFrozen()) {
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const nsecs_t now = systemTime();
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nsecs_t frozenTime = (now - mFreezeDisplayTime);
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if (frozenTime >= freezeDisplayTimeout) {
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// we timed out and are still frozen
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LOGW("timeout expired mFreezeDisplay=%d, mFreezeCount=%d",
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mFreezeDisplay, mFreezeCount);
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mFreezeDisplayTime = 0;
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mFreezeCount = 0;
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mFreezeDisplay = false;
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}
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}
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if (msg != 0) {
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switch (msg->what) {
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case MessageQueue::INVALIDATE:
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// invalidate message, just return to the main loop
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return;
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}
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}
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}
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}
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void SurfaceFlinger::signalEvent() {
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mEventQueue.invalidate();
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}
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bool SurfaceFlinger::authenticateSurfaceTexture(
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const sp<ISurfaceTexture>& surfaceTexture) const {
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Mutex::Autolock _l(mStateLock);
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sp<IBinder> surfaceTextureBinder(surfaceTexture->asBinder());
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// Check the visible layer list for the ISurface
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const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
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size_t count = currentLayers.size();
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for (size_t i=0 ; i<count ; i++) {
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const sp<LayerBase>& layer(currentLayers[i]);
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sp<LayerBaseClient> lbc(layer->getLayerBaseClient());
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if (lbc != NULL) {
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wp<IBinder> lbcBinder = lbc->getSurfaceTextureBinder();
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if (lbcBinder == surfaceTextureBinder) {
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return true;
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}
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}
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}
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// Check the layers in the purgatory. This check is here so that if a
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// SurfaceTexture gets destroyed before all the clients are done using it,
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// the error will not be reported as "surface XYZ is not authenticated", but
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// will instead fail later on when the client tries to use the surface,
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// which should be reported as "surface XYZ returned an -ENODEV". The
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// purgatorized layers are no less authentic than the visible ones, so this
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// should not cause any harm.
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size_t purgatorySize = mLayerPurgatory.size();
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for (size_t i=0 ; i<purgatorySize ; i++) {
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const sp<LayerBase>& layer(mLayerPurgatory.itemAt(i));
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sp<LayerBaseClient> lbc(layer->getLayerBaseClient());
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if (lbc != NULL) {
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wp<IBinder> lbcBinder = lbc->getSurfaceTextureBinder();
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if (lbcBinder == surfaceTextureBinder) {
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return true;
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}
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}
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}
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return false;
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}
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status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
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nsecs_t reltime, uint32_t flags)
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{
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return mEventQueue.postMessage(msg, reltime, flags);
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}
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status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
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nsecs_t reltime, uint32_t flags)
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{
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status_t res = mEventQueue.postMessage(msg, reltime, flags);
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if (res == NO_ERROR) {
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msg->wait();
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}
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return res;
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}
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// ----------------------------------------------------------------------------
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#if 0
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#pragma mark -
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#pragma mark Main loop
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#endif
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bool SurfaceFlinger::threadLoop()
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{
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waitForEvent();
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// check for transactions
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if (UNLIKELY(mConsoleSignals)) {
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handleConsoleEvents();
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}
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// if we're in a global transaction, don't do anything.
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const uint32_t mask = eTransactionNeeded | eTraversalNeeded;
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uint32_t transactionFlags = peekTransactionFlags(mask);
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if (UNLIKELY(transactionFlags)) {
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handleTransaction(transactionFlags);
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}
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// post surfaces (if needed)
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handlePageFlip();
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if (mDirtyRegion.isEmpty()) {
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// nothing new to do.
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return true;
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}
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if (UNLIKELY(mHwWorkListDirty)) {
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// build the h/w work list
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handleWorkList();
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}
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const DisplayHardware& hw(graphicPlane(0).displayHardware());
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if (LIKELY(hw.canDraw())) {
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// repaint the framebuffer (if needed)
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const int index = hw.getCurrentBufferIndex();
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GraphicLog& logger(GraphicLog::getInstance());
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logger.log(GraphicLog::SF_REPAINT, index);
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handleRepaint();
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// inform the h/w that we're done compositing
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logger.log(GraphicLog::SF_COMPOSITION_COMPLETE, index);
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hw.compositionComplete();
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logger.log(GraphicLog::SF_SWAP_BUFFERS, index);
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postFramebuffer();
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logger.log(GraphicLog::SF_REPAINT_DONE, index);
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} else {
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// pretend we did the post
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hw.compositionComplete();
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usleep(16667); // 60 fps period
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}
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return true;
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}
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void SurfaceFlinger::postFramebuffer()
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{
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// this should never happen. we do the flip anyways so we don't
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// risk to cause a deadlock with hwc
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LOGW_IF(mSwapRegion.isEmpty(), "mSwapRegion is empty");
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const DisplayHardware& hw(graphicPlane(0).displayHardware());
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const nsecs_t now = systemTime();
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mDebugInSwapBuffers = now;
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hw.flip(mSwapRegion);
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mLastSwapBufferTime = systemTime() - now;
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mDebugInSwapBuffers = 0;
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mSwapRegion.clear();
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}
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void SurfaceFlinger::handleConsoleEvents()
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{
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// something to do with the console
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const DisplayHardware& hw = graphicPlane(0).displayHardware();
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int what = android_atomic_and(0, &mConsoleSignals);
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if (what & eConsoleAcquired) {
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hw.acquireScreen();
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// this is a temporary work-around, eventually this should be called
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// by the power-manager
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SurfaceFlinger::turnElectronBeamOn(mElectronBeamAnimationMode);
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}
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if (what & eConsoleReleased) {
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if (hw.isScreenAcquired()) {
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hw.releaseScreen();
|
|
}
|
|
}
|
|
|
|
mDirtyRegion.set(hw.bounds());
|
|
}
|
|
|
|
void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
|
|
{
|
|
Mutex::Autolock _l(mStateLock);
|
|
const nsecs_t now = systemTime();
|
|
mDebugInTransaction = now;
|
|
|
|
// Here we're guaranteed that some transaction flags are set
|
|
// so we can call handleTransactionLocked() unconditionally.
|
|
// We call getTransactionFlags(), which will also clear the flags,
|
|
// with mStateLock held to guarantee that mCurrentState won't change
|
|
// until the transaction is committed.
|
|
|
|
const uint32_t mask = eTransactionNeeded | eTraversalNeeded;
|
|
transactionFlags = getTransactionFlags(mask);
|
|
handleTransactionLocked(transactionFlags);
|
|
|
|
mLastTransactionTime = systemTime() - now;
|
|
mDebugInTransaction = 0;
|
|
invalidateHwcGeometry();
|
|
// here the transaction has been committed
|
|
}
|
|
|
|
void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags)
|
|
{
|
|
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++) {
|
|
const sp<LayerBase>& 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;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
// Currently unused: const uint32_t flags = mCurrentState.orientationFlags;
|
|
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;
|
|
dcblk->w = plane.getWidth();
|
|
dcblk->h = plane.getHeight();
|
|
|
|
mVisibleRegionsDirty = true;
|
|
mDirtyRegion.set(hw.bounds());
|
|
}
|
|
|
|
if (mCurrentState.freezeDisplay != mDrawingState.freezeDisplay) {
|
|
// freezing or unfreezing the display -> trigger animation if needed
|
|
mFreezeDisplay = mCurrentState.freezeDisplay;
|
|
if (mFreezeDisplay)
|
|
mFreezeDisplayTime = 0;
|
|
}
|
|
|
|
if (currentLayers.size() > mDrawingState.layersSortedByZ.size()) {
|
|
// layers have been added
|
|
mVisibleRegionsDirty = true;
|
|
}
|
|
|
|
// some layers might have been removed, so
|
|
// we need to update the regions they're exposing.
|
|
if (mLayersRemoved) {
|
|
mLayersRemoved = false;
|
|
mVisibleRegionsDirty = true;
|
|
const LayerVector& previousLayers(mDrawingState.layersSortedByZ);
|
|
const size_t count = previousLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(previousLayers[i]);
|
|
if (currentLayers.indexOf( layer ) < 0) {
|
|
// this layer is not visible anymore
|
|
mDirtyRegionRemovedLayer.orSelf(layer->visibleRegionScreen);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
commitTransaction();
|
|
}
|
|
|
|
sp<FreezeLock> SurfaceFlinger::getFreezeLock() const
|
|
{
|
|
return new FreezeLock(const_cast<SurfaceFlinger *>(this));
|
|
}
|
|
|
|
void SurfaceFlinger::computeVisibleRegions(
|
|
const LayerVector& currentLayers, Region& dirtyRegion, Region& opaqueRegion)
|
|
{
|
|
const GraphicPlane& plane(graphicPlane(0));
|
|
const Transform& planeTransform(plane.transform());
|
|
const DisplayHardware& hw(plane.displayHardware());
|
|
const Region screenRegion(hw.bounds());
|
|
|
|
Region aboveOpaqueLayers;
|
|
Region aboveCoveredLayers;
|
|
Region dirty;
|
|
|
|
bool secureFrameBuffer = false;
|
|
|
|
size_t i = currentLayers.size();
|
|
while (i--) {
|
|
const sp<LayerBase>& layer = currentLayers[i];
|
|
layer->validateVisibility(planeTransform);
|
|
|
|
// start with the whole surface at its current location
|
|
const Layer::State& s(layer->drawingState());
|
|
|
|
/*
|
|
* opaqueRegion: area of a surface that is fully opaque.
|
|
*/
|
|
Region opaqueRegion;
|
|
|
|
/*
|
|
* visibleRegion: area of a surface that is visible on screen
|
|
* and not fully transparent. This is essentially the layer's
|
|
* footprint minus the opaque regions above it.
|
|
* Areas covered by a translucent surface are considered visible.
|
|
*/
|
|
Region visibleRegion;
|
|
|
|
/*
|
|
* coveredRegion: area of a surface that is covered by all
|
|
* visible regions above it (which includes the translucent areas).
|
|
*/
|
|
Region coveredRegion;
|
|
|
|
|
|
// handle hidden surfaces by setting the visible region to empty
|
|
if (LIKELY(!(s.flags & ISurfaceComposer::eLayerHidden) && s.alpha)) {
|
|
const bool translucent = !layer->isOpaque();
|
|
const Rect bounds(layer->visibleBounds());
|
|
visibleRegion.set(bounds);
|
|
visibleRegion.andSelf(screenRegion);
|
|
if (!visibleRegion.isEmpty()) {
|
|
// Remove the transparent area from the visible region
|
|
if (translucent) {
|
|
visibleRegion.subtractSelf(layer->transparentRegionScreen);
|
|
}
|
|
|
|
// compute the opaque region
|
|
const int32_t layerOrientation = layer->getOrientation();
|
|
if (s.alpha==255 && !translucent &&
|
|
((layerOrientation & Transform::ROT_INVALID) == false)) {
|
|
// the opaque region is the layer's footprint
|
|
opaqueRegion = visibleRegion;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Clip the covered region to the visible region
|
|
coveredRegion = aboveCoveredLayers.intersect(visibleRegion);
|
|
|
|
// Update aboveCoveredLayers for next (lower) layer
|
|
aboveCoveredLayers.orSelf(visibleRegion);
|
|
|
|
// subtract the opaque region covered by the layers above us
|
|
visibleRegion.subtractSelf(aboveOpaqueLayers);
|
|
|
|
// 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 {
|
|
/* compute the exposed region:
|
|
* the exposed region consists of two components:
|
|
* 1) what's VISIBLE now and was COVERED before
|
|
* 2) what's EXPOSED now less what was EXPOSED before
|
|
*
|
|
* note that (1) is conservative, we start with the whole
|
|
* visible region but only keep what used to be covered by
|
|
* something -- which mean it may have been exposed.
|
|
*
|
|
* (2) handles areas that were not covered by anything but got
|
|
* exposed because of a resize.
|
|
*/
|
|
const Region newExposed = visibleRegion - coveredRegion;
|
|
const Region oldVisibleRegion = layer->visibleRegionScreen;
|
|
const Region oldCoveredRegion = layer->coveredRegionScreen;
|
|
const Region oldExposed = oldVisibleRegion - oldCoveredRegion;
|
|
dirty = (visibleRegion&oldCoveredRegion) | (newExposed-oldExposed);
|
|
}
|
|
dirty.subtractSelf(aboveOpaqueLayers);
|
|
|
|
// accumulate to the screen dirty region
|
|
dirtyRegion.orSelf(dirty);
|
|
|
|
// Update aboveOpaqueLayers for next (lower) layer
|
|
aboveOpaqueLayers.orSelf(opaqueRegion);
|
|
|
|
// Store the visible region is screen space
|
|
layer->setVisibleRegion(visibleRegion);
|
|
layer->setCoveredRegion(coveredRegion);
|
|
|
|
// If a secure layer is partially visible, lock-down the screen!
|
|
if (layer->isSecure() && !visibleRegion.isEmpty()) {
|
|
secureFrameBuffer = true;
|
|
}
|
|
}
|
|
|
|
// invalidate the areas where a layer was removed
|
|
dirtyRegion.orSelf(mDirtyRegionRemovedLayer);
|
|
mDirtyRegionRemovedLayer.clear();
|
|
|
|
mSecureFrameBuffer = secureFrameBuffer;
|
|
opaqueRegion = aboveOpaqueLayers;
|
|
}
|
|
|
|
|
|
void SurfaceFlinger::commitTransaction()
|
|
{
|
|
mDrawingState = mCurrentState;
|
|
mResizeTransationPending = false;
|
|
mTransactionCV.broadcast();
|
|
}
|
|
|
|
void SurfaceFlinger::handlePageFlip()
|
|
{
|
|
bool visibleRegions = mVisibleRegionsDirty;
|
|
const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
|
|
visibleRegions |= lockPageFlip(currentLayers);
|
|
|
|
const DisplayHardware& hw = graphicPlane(0).displayHardware();
|
|
const Region screenRegion(hw.bounds());
|
|
if (visibleRegions) {
|
|
Region opaqueRegion;
|
|
computeVisibleRegions(currentLayers, mDirtyRegion, opaqueRegion);
|
|
|
|
/*
|
|
* rebuild the visible layer list
|
|
*/
|
|
const size_t count = currentLayers.size();
|
|
mVisibleLayersSortedByZ.clear();
|
|
mVisibleLayersSortedByZ.setCapacity(count);
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
if (!currentLayers[i]->visibleRegionScreen.isEmpty())
|
|
mVisibleLayersSortedByZ.add(currentLayers[i]);
|
|
}
|
|
|
|
mWormholeRegion = screenRegion.subtract(opaqueRegion);
|
|
mVisibleRegionsDirty = false;
|
|
invalidateHwcGeometry();
|
|
}
|
|
|
|
unlockPageFlip(currentLayers);
|
|
mDirtyRegion.andSelf(screenRegion);
|
|
}
|
|
|
|
void SurfaceFlinger::invalidateHwcGeometry()
|
|
{
|
|
mHwWorkListDirty = true;
|
|
}
|
|
|
|
bool SurfaceFlinger::lockPageFlip(const LayerVector& currentLayers)
|
|
{
|
|
bool recomputeVisibleRegions = false;
|
|
size_t count = currentLayers.size();
|
|
sp<LayerBase> const* layers = currentLayers.array();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& 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();
|
|
sp<LayerBase> const* layers = currentLayers.array();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
layer->unlockPageFlip(planeTransform, mDirtyRegion);
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::handleWorkList()
|
|
{
|
|
mHwWorkListDirty = false;
|
|
HWComposer& hwc(graphicPlane(0).displayHardware().getHwComposer());
|
|
if (hwc.initCheck() == NO_ERROR) {
|
|
const Vector< sp<LayerBase> >& currentLayers(mVisibleLayersSortedByZ);
|
|
const size_t count = currentLayers.size();
|
|
hwc.createWorkList(count);
|
|
hwc_layer_t* const cur(hwc.getLayers());
|
|
for (size_t i=0 ; cur && i<count ; i++) {
|
|
currentLayers[i]->setGeometry(&cur[i]);
|
|
if (mDebugDisableHWC || mDebugRegion) {
|
|
cur[i].compositionType = HWC_FRAMEBUFFER;
|
|
cur[i].flags |= HWC_SKIP_LAYER;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::handleRepaint()
|
|
{
|
|
// compute the invalid region
|
|
mSwapRegion.orSelf(mDirtyRegion);
|
|
|
|
if (UNLIKELY(mDebugRegion)) {
|
|
debugFlashRegions();
|
|
}
|
|
|
|
// set the frame buffer
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
uint32_t flags = hw.getFlags();
|
|
if ((flags & DisplayHardware::SWAP_RECTANGLE) ||
|
|
(flags & DisplayHardware::BUFFER_PRESERVED))
|
|
{
|
|
// we can redraw only what's dirty, but since SWAP_RECTANGLE only
|
|
// takes a rectangle, we must make sure to update that whole
|
|
// rectangle in that case
|
|
if (flags & DisplayHardware::SWAP_RECTANGLE) {
|
|
// TODO: we really should be able to pass a region to
|
|
// SWAP_RECTANGLE so that we don't have to redraw all this.
|
|
mDirtyRegion.set(mSwapRegion.bounds());
|
|
} else {
|
|
// in the BUFFER_PRESERVED case, obviously, we can update only
|
|
// what's needed and nothing more.
|
|
// NOTE: this is NOT a common case, as preserving the backbuffer
|
|
// is costly and usually involves copying the whole update back.
|
|
}
|
|
} else {
|
|
if (flags & DisplayHardware::PARTIAL_UPDATES) {
|
|
// We need to redraw the rectangle that will be updated
|
|
// (pushed to the framebuffer).
|
|
// This is needed because PARTIAL_UPDATES only takes one
|
|
// rectangle instead of a region (see DisplayHardware::flip())
|
|
mDirtyRegion.set(mSwapRegion.bounds());
|
|
} else {
|
|
// we need to redraw everything (the whole screen)
|
|
mDirtyRegion.set(hw.bounds());
|
|
mSwapRegion = mDirtyRegion;
|
|
}
|
|
}
|
|
|
|
setupHardwareComposer(mDirtyRegion);
|
|
composeSurfaces(mDirtyRegion);
|
|
|
|
// update the swap region and clear the dirty region
|
|
mSwapRegion.orSelf(mDirtyRegion);
|
|
mDirtyRegion.clear();
|
|
}
|
|
|
|
void SurfaceFlinger::setupHardwareComposer(Region& dirtyInOut)
|
|
{
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
HWComposer& hwc(hw.getHwComposer());
|
|
hwc_layer_t* const cur(hwc.getLayers());
|
|
if (!cur) {
|
|
return;
|
|
}
|
|
|
|
const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
|
|
size_t count = layers.size();
|
|
|
|
LOGE_IF(hwc.getNumLayers() != count,
|
|
"HAL number of layers (%d) doesn't match surfaceflinger (%d)",
|
|
hwc.getNumLayers(), count);
|
|
|
|
// just to be extra-safe, use the smallest count
|
|
if (hwc.initCheck() == NO_ERROR) {
|
|
count = count < hwc.getNumLayers() ? count : hwc.getNumLayers();
|
|
}
|
|
|
|
/*
|
|
* update the per-frame h/w composer data for each layer
|
|
* and build the transparent region of the FB
|
|
*/
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
layer->setPerFrameData(&cur[i]);
|
|
}
|
|
const size_t fbLayerCount = hwc.getLayerCount(HWC_FRAMEBUFFER);
|
|
status_t err = hwc.prepare();
|
|
LOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err));
|
|
|
|
if (err == NO_ERROR) {
|
|
// what's happening here is tricky.
|
|
// we want to clear all the layers with the CLEAR_FB flags
|
|
// that are opaque.
|
|
// however, since some GPU are efficient at preserving
|
|
// the backbuffer, we want to take advantage of that so we do the
|
|
// clear only in the dirty region (other areas will be preserved
|
|
// on those GPUs).
|
|
// NOTE: on non backbuffer preserving GPU, the dirty region
|
|
// has already been expanded as needed, so the code is correct
|
|
// there too.
|
|
//
|
|
// However, the content of the framebuffer cannot be trusted when
|
|
// we switch to/from FB/OVERLAY, in which case we need to
|
|
// expand the dirty region to those areas too.
|
|
//
|
|
// Note also that there is a special case when switching from
|
|
// "no layers in FB" to "some layers in FB", where we need to redraw
|
|
// the entire FB, since some areas might contain uninitialized
|
|
// data.
|
|
//
|
|
// Also we want to make sure to not clear areas that belong to
|
|
// layers above that won't redraw (we would just be erasing them),
|
|
// that is, we can't erase anything outside the dirty region.
|
|
|
|
Region transparent;
|
|
|
|
if (!fbLayerCount && hwc.getLayerCount(HWC_FRAMEBUFFER)) {
|
|
transparent.set(hw.getBounds());
|
|
dirtyInOut = transparent;
|
|
} else {
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
if ((cur[i].hints & HWC_HINT_CLEAR_FB) && layer->isOpaque()) {
|
|
transparent.orSelf(layer->visibleRegionScreen);
|
|
}
|
|
bool isOverlay = (cur[i].compositionType != HWC_FRAMEBUFFER);
|
|
if (isOverlay != layer->isOverlay()) {
|
|
// we transitioned to/from overlay, so add this layer
|
|
// to the dirty region so the framebuffer can be either
|
|
// cleared or redrawn.
|
|
dirtyInOut.orSelf(layer->visibleRegionScreen);
|
|
}
|
|
layer->setOverlay(isOverlay);
|
|
}
|
|
// don't erase stuff outside the dirty region
|
|
transparent.andSelf(dirtyInOut);
|
|
}
|
|
|
|
/*
|
|
* clear the area of the FB that need to be transparent
|
|
*/
|
|
if (!transparent.isEmpty()) {
|
|
glClearColor(0,0,0,0);
|
|
Region::const_iterator it = transparent.begin();
|
|
Region::const_iterator const end = transparent.end();
|
|
const int32_t height = hw.getHeight();
|
|
while (it != end) {
|
|
const Rect& r(*it++);
|
|
const GLint sy = height - (r.top + r.height());
|
|
glScissor(r.left, sy, r.width(), r.height());
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::composeSurfaces(const Region& dirty)
|
|
{
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
HWComposer& hwc(hw.getHwComposer());
|
|
|
|
const size_t fbLayerCount = hwc.getLayerCount(HWC_FRAMEBUFFER);
|
|
if (UNLIKELY(fbLayerCount && !mWormholeRegion.isEmpty())) {
|
|
// should never happen unless the window manager has a bug
|
|
// draw something...
|
|
drawWormhole();
|
|
}
|
|
|
|
/*
|
|
* and then, render the layers targeted at the framebuffer
|
|
*/
|
|
hwc_layer_t* const cur(hwc.getLayers());
|
|
const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
|
|
size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
if (cur && (cur[i].compositionType != HWC_FRAMEBUFFER)) {
|
|
continue;
|
|
}
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
const Region clip(dirty.intersect(layer->visibleRegionScreen));
|
|
if (!clip.isEmpty()) {
|
|
layer->draw(clip);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::debugFlashRegions()
|
|
{
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
const uint32_t flags = hw.getFlags();
|
|
const int32_t height = hw.getHeight();
|
|
if (mSwapRegion.isEmpty()) {
|
|
return;
|
|
}
|
|
|
|
if (!((flags & DisplayHardware::SWAP_RECTANGLE) ||
|
|
(flags & DisplayHardware::BUFFER_PRESERVED))) {
|
|
const Region repaint((flags & DisplayHardware::PARTIAL_UPDATES) ?
|
|
mDirtyRegion.bounds() : hw.bounds());
|
|
composeSurfaces(repaint);
|
|
}
|
|
|
|
glDisable(GL_TEXTURE_EXTERNAL_OES);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glDisable(GL_BLEND);
|
|
glDisable(GL_SCISSOR_TEST);
|
|
|
|
static int toggle = 0;
|
|
toggle = 1 - toggle;
|
|
if (toggle) {
|
|
glColor4f(1, 0, 1, 1);
|
|
} else {
|
|
glColor4f(1, 1, 0, 1);
|
|
}
|
|
|
|
Region::const_iterator it = mDirtyRegion.begin();
|
|
Region::const_iterator const end = mDirtyRegion.end();
|
|
while (it != end) {
|
|
const Rect& r = *it++;
|
|
GLfloat vertices[][2] = {
|
|
{ r.left, height - r.top },
|
|
{ r.left, height - r.bottom },
|
|
{ r.right, height - r.bottom },
|
|
{ r.right, height - r.top }
|
|
};
|
|
glVertexPointer(2, GL_FLOAT, 0, vertices);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
}
|
|
|
|
hw.flip(mSwapRegion);
|
|
|
|
if (mDebugRegion > 1)
|
|
usleep(mDebugRegion * 1000);
|
|
|
|
glEnable(GL_SCISSOR_TEST);
|
|
}
|
|
|
|
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();
|
|
|
|
if (LIKELY(!mDebugBackground)) {
|
|
glClearColor(0,0,0,0);
|
|
Region::const_iterator it = region.begin();
|
|
Region::const_iterator const end = region.end();
|
|
while (it != end) {
|
|
const Rect& r = *it++;
|
|
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);
|
|
|
|
glDisable(GL_TEXTURE_EXTERNAL_OES);
|
|
glEnable(GL_TEXTURE_2D);
|
|
glBindTexture(GL_TEXTURE_2D, mWormholeTexName);
|
|
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
glMatrixMode(GL_TEXTURE);
|
|
glLoadIdentity();
|
|
|
|
glDisable(GL_BLEND);
|
|
|
|
glScalef(width*(1.0f/32.0f), height*(1.0f/32.0f), 1);
|
|
Region::const_iterator it = region.begin();
|
|
Region::const_iterator const end = region.end();
|
|
while (it != end) {
|
|
const Rect& r = *it++;
|
|
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);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
}
|
|
}
|
|
|
|
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(const sp<LayerBase>& layer)
|
|
{
|
|
Mutex::Autolock _l(mStateLock);
|
|
addLayer_l(layer);
|
|
setTransactionFlags(eTransactionNeeded|eTraversalNeeded);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t SurfaceFlinger::addLayer_l(const sp<LayerBase>& layer)
|
|
{
|
|
ssize_t i = mCurrentState.layersSortedByZ.add(layer);
|
|
return (i < 0) ? status_t(i) : status_t(NO_ERROR);
|
|
}
|
|
|
|
ssize_t SurfaceFlinger::addClientLayer(const sp<Client>& client,
|
|
const sp<LayerBaseClient>& lbc)
|
|
{
|
|
// attach this layer to the client
|
|
size_t name = client->attachLayer(lbc);
|
|
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
// add this layer to the current state list
|
|
addLayer_l(lbc);
|
|
|
|
return ssize_t(name);
|
|
}
|
|
|
|
status_t SurfaceFlinger::removeLayer(const sp<LayerBase>& layer)
|
|
{
|
|
Mutex::Autolock _l(mStateLock);
|
|
status_t err = purgatorizeLayer_l(layer);
|
|
if (err == NO_ERROR)
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return err;
|
|
}
|
|
|
|
status_t SurfaceFlinger::removeLayer_l(const sp<LayerBase>& layerBase)
|
|
{
|
|
sp<LayerBaseClient> lbc(layerBase->getLayerBaseClient());
|
|
if (lbc != 0) {
|
|
mLayerMap.removeItem( lbc->getSurfaceBinder() );
|
|
}
|
|
ssize_t index = mCurrentState.layersSortedByZ.remove(layerBase);
|
|
if (index >= 0) {
|
|
mLayersRemoved = true;
|
|
return NO_ERROR;
|
|
}
|
|
return status_t(index);
|
|
}
|
|
|
|
status_t SurfaceFlinger::purgatorizeLayer_l(const sp<LayerBase>& layerBase)
|
|
{
|
|
// First add the layer to the purgatory list, which makes sure it won't
|
|
// go away, then remove it from the main list (through a transaction).
|
|
ssize_t err = removeLayer_l(layerBase);
|
|
if (err >= 0) {
|
|
mLayerPurgatory.add(layerBase);
|
|
}
|
|
|
|
layerBase->onRemoved();
|
|
|
|
// 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 Client::destroySurface(),
|
|
// ~Client() and ~ISurface().
|
|
return (err == NAME_NOT_FOUND) ? status_t(NO_ERROR) : err;
|
|
}
|
|
|
|
status_t SurfaceFlinger::invalidateLayerVisibility(const sp<LayerBase>& layer)
|
|
{
|
|
layer->forceVisibilityTransaction();
|
|
setTransactionFlags(eTraversalNeeded);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
uint32_t SurfaceFlinger::peekTransactionFlags(uint32_t flags)
|
|
{
|
|
return android_atomic_release_load(&mTransactionFlags);
|
|
}
|
|
|
|
uint32_t SurfaceFlinger::getTransactionFlags(uint32_t flags)
|
|
{
|
|
return android_atomic_and(~flags, &mTransactionFlags) & flags;
|
|
}
|
|
|
|
uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags)
|
|
{
|
|
uint32_t old = android_atomic_or(flags, &mTransactionFlags);
|
|
if ((old & flags)==0) { // wake the server up
|
|
signalEvent();
|
|
}
|
|
return old;
|
|
}
|
|
|
|
|
|
void SurfaceFlinger::setTransactionState(const Vector<ComposerState>& state,
|
|
int orientation) {
|
|
Mutex::Autolock _l(mStateLock);
|
|
|
|
uint32_t flags = 0;
|
|
if (mCurrentState.orientation != orientation) {
|
|
if (uint32_t(orientation)<=eOrientation270 || orientation==42) {
|
|
mCurrentState.orientation = orientation;
|
|
flags |= eTransactionNeeded;
|
|
mResizeTransationPending = true;
|
|
} else if (orientation != eOrientationUnchanged) {
|
|
LOGW("setTransactionState: ignoring unrecognized orientation: %d",
|
|
orientation);
|
|
}
|
|
}
|
|
|
|
const size_t count = state.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const ComposerState& s(state[i]);
|
|
sp<Client> client( static_cast<Client *>(s.client.get()) );
|
|
flags |= setClientStateLocked(client, s.state);
|
|
}
|
|
if (flags) {
|
|
setTransactionFlags(flags);
|
|
}
|
|
|
|
signalEvent();
|
|
|
|
// if there is a transaction with a resize, wait for it to
|
|
// take effect before returning.
|
|
while (mResizeTransationPending) {
|
|
status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
|
|
if (CC_UNLIKELY(err != NO_ERROR)) {
|
|
// just in case something goes wrong in SF, return to the
|
|
// called after a few seconds.
|
|
LOGW_IF(err == TIMED_OUT, "closeGlobalTransaction timed out!");
|
|
mResizeTransationPending = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
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 fading)
|
|
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 fading)
|
|
return NO_ERROR;
|
|
}
|
|
|
|
int SurfaceFlinger::setOrientation(DisplayID dpy,
|
|
int orientation, uint32_t flags)
|
|
{
|
|
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) {
|
|
mCurrentState.orientationFlags = flags;
|
|
mCurrentState.orientation = orientation;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
mTransactionCV.wait(mStateLock);
|
|
} else {
|
|
orientation = BAD_VALUE;
|
|
}
|
|
}
|
|
return orientation;
|
|
}
|
|
|
|
sp<ISurface> SurfaceFlinger::createSurface(
|
|
ISurfaceComposerClient::surface_data_t* params,
|
|
const String8& name,
|
|
const sp<Client>& client,
|
|
DisplayID d, uint32_t w, uint32_t h, PixelFormat format,
|
|
uint32_t flags)
|
|
{
|
|
sp<LayerBaseClient> layer;
|
|
sp<ISurface> surfaceHandle;
|
|
|
|
if (int32_t(w|h) < 0) {
|
|
LOGE("createSurface() failed, w or h is negative (w=%d, h=%d)",
|
|
int(w), int(h));
|
|
return surfaceHandle;
|
|
}
|
|
|
|
//LOGD("createSurface for pid %d (%d x %d)", pid, w, h);
|
|
sp<Layer> normalLayer;
|
|
switch (flags & eFXSurfaceMask) {
|
|
case eFXSurfaceNormal:
|
|
normalLayer = createNormalSurface(client, d, w, h, flags, format);
|
|
layer = normalLayer;
|
|
break;
|
|
case eFXSurfaceBlur:
|
|
// for now we treat Blur as Dim, until we can implement it
|
|
// efficiently.
|
|
case eFXSurfaceDim:
|
|
layer = createDimSurface(client, d, w, h, flags);
|
|
break;
|
|
case eFXSurfaceScreenshot:
|
|
layer = createScreenshotSurface(client, d, w, h, flags);
|
|
break;
|
|
}
|
|
|
|
if (layer != 0) {
|
|
layer->initStates(w, h, flags);
|
|
layer->setName(name);
|
|
ssize_t token = addClientLayer(client, layer);
|
|
|
|
surfaceHandle = layer->getSurface();
|
|
if (surfaceHandle != 0) {
|
|
params->token = token;
|
|
params->identity = layer->getIdentity();
|
|
if (normalLayer != 0) {
|
|
Mutex::Autolock _l(mStateLock);
|
|
mLayerMap.add(layer->getSurfaceBinder(), normalLayer);
|
|
}
|
|
}
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
|
|
return surfaceHandle;
|
|
}
|
|
|
|
sp<Layer> SurfaceFlinger::createNormalSurface(
|
|
const sp<Client>& client, DisplayID display,
|
|
uint32_t w, uint32_t h, uint32_t flags,
|
|
PixelFormat& format)
|
|
{
|
|
// 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:
|
|
#ifdef NO_RGBX_8888
|
|
format = PIXEL_FORMAT_RGB_565;
|
|
#else
|
|
format = PIXEL_FORMAT_RGBX_8888;
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
#ifdef NO_RGBX_8888
|
|
if (format == PIXEL_FORMAT_RGBX_8888)
|
|
format = PIXEL_FORMAT_RGBA_8888;
|
|
#endif
|
|
|
|
sp<Layer> layer = new Layer(this, display, client);
|
|
status_t err = layer->setBuffers(w, h, format, flags);
|
|
if (LIKELY(err != NO_ERROR)) {
|
|
LOGE("createNormalSurfaceLocked() failed (%s)", strerror(-err));
|
|
layer.clear();
|
|
}
|
|
return layer;
|
|
}
|
|
|
|
sp<LayerDim> SurfaceFlinger::createDimSurface(
|
|
const sp<Client>& client, DisplayID display,
|
|
uint32_t w, uint32_t h, uint32_t flags)
|
|
{
|
|
sp<LayerDim> layer = new LayerDim(this, display, client);
|
|
return layer;
|
|
}
|
|
|
|
sp<LayerScreenshot> SurfaceFlinger::createScreenshotSurface(
|
|
const sp<Client>& client, DisplayID display,
|
|
uint32_t w, uint32_t h, uint32_t flags)
|
|
{
|
|
sp<LayerScreenshot> layer = new LayerScreenshot(this, display, client);
|
|
status_t err = layer->capture();
|
|
if (err != NO_ERROR) {
|
|
layer.clear();
|
|
LOGW("createScreenshotSurface failed (%s)", strerror(-err));
|
|
}
|
|
return layer;
|
|
}
|
|
|
|
status_t SurfaceFlinger::removeSurface(const sp<Client>& client, SurfaceID sid)
|
|
{
|
|
/*
|
|
* called by the window manager, when a surface should be marked for
|
|
* destruction.
|
|
*
|
|
* The surface is removed from the current and drawing lists, but placed
|
|
* in the purgatory queue, so it's not destroyed right-away (we need
|
|
* to wait for all client's references to go away first).
|
|
*/
|
|
|
|
status_t err = NAME_NOT_FOUND;
|
|
Mutex::Autolock _l(mStateLock);
|
|
sp<LayerBaseClient> layer = client->getLayerUser(sid);
|
|
if (layer != 0) {
|
|
err = purgatorizeLayer_l(layer);
|
|
if (err == NO_ERROR) {
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
status_t SurfaceFlinger::destroySurface(const wp<LayerBaseClient>& layer)
|
|
{
|
|
// called by ~ISurface() when all references are gone
|
|
status_t err = NO_ERROR;
|
|
sp<LayerBaseClient> l(layer.promote());
|
|
if (l != NULL) {
|
|
Mutex::Autolock _l(mStateLock);
|
|
err = removeLayer_l(l);
|
|
if (err == NAME_NOT_FOUND) {
|
|
// The surface wasn't in the current list, which means it was
|
|
// removed already, which means it is in the purgatory,
|
|
// and need to be removed from there.
|
|
ssize_t idx = mLayerPurgatory.remove(l);
|
|
LOGE_IF(idx < 0,
|
|
"layer=%p is not in the purgatory list", l.get());
|
|
}
|
|
LOGE_IF(err<0 && err != NAME_NOT_FOUND,
|
|
"error removing layer=%p (%s)", l.get(), strerror(-err));
|
|
}
|
|
return err;
|
|
}
|
|
|
|
uint32_t SurfaceFlinger::setClientStateLocked(
|
|
const sp<Client>& client,
|
|
const layer_state_t& s)
|
|
{
|
|
uint32_t flags = 0;
|
|
sp<LayerBaseClient> layer(client->getLayerUser(s.surface));
|
|
if (layer != 0) {
|
|
const uint32_t what = s.what;
|
|
if (what & ePositionChanged) {
|
|
if (layer->setPosition(s.x, s.y))
|
|
flags |= eTraversalNeeded;
|
|
}
|
|
if (what & eLayerChanged) {
|
|
ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
|
|
if (layer->setLayer(s.z)) {
|
|
mCurrentState.layersSortedByZ.removeAt(idx);
|
|
mCurrentState.layersSortedByZ.add(layer);
|
|
// we need traversal (state changed)
|
|
// AND transaction (list changed)
|
|
flags |= eTransactionNeeded|eTraversalNeeded;
|
|
}
|
|
}
|
|
if (what & eSizeChanged) {
|
|
if (layer->setSize(s.w, s.h)) {
|
|
flags |= eTraversalNeeded;
|
|
mResizeTransationPending = true;
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
return flags;
|
|
}
|
|
|
|
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 = 4096;
|
|
char buffer[SIZE];
|
|
String8 result;
|
|
|
|
if (!PermissionCache::checkCallingPermission(sDump)) {
|
|
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 {
|
|
|
|
// figure out if we're stuck somewhere
|
|
const nsecs_t now = systemTime();
|
|
const nsecs_t inSwapBuffers(mDebugInSwapBuffers);
|
|
const nsecs_t inTransaction(mDebugInTransaction);
|
|
nsecs_t inSwapBuffersDuration = (inSwapBuffers) ? now-inSwapBuffers : 0;
|
|
nsecs_t inTransactionDuration = (inTransaction) ? now-inTransaction : 0;
|
|
|
|
// Try to get the main lock, but don't insist if we can't
|
|
// (this would indicate SF is stuck, but we want to be able to
|
|
// print something in dumpsys).
|
|
int retry = 3;
|
|
while (mStateLock.tryLock()<0 && --retry>=0) {
|
|
usleep(1000000);
|
|
}
|
|
const bool locked(retry >= 0);
|
|
if (!locked) {
|
|
snprintf(buffer, SIZE,
|
|
"SurfaceFlinger appears to be unresponsive, "
|
|
"dumping anyways (no locks held)\n");
|
|
result.append(buffer);
|
|
}
|
|
|
|
/*
|
|
* Dump the visible layer list
|
|
*/
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
const size_t count = currentLayers.size();
|
|
snprintf(buffer, SIZE, "Visible layers (count = %d)\n", count);
|
|
result.append(buffer);
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(currentLayers[i]);
|
|
layer->dump(result, buffer, SIZE);
|
|
const Layer::State& s(layer->drawingState());
|
|
s.transparentRegion.dump(result, "transparentRegion");
|
|
layer->transparentRegionScreen.dump(result, "transparentRegionScreen");
|
|
layer->visibleRegionScreen.dump(result, "visibleRegionScreen");
|
|
}
|
|
|
|
/*
|
|
* Dump the layers in the purgatory
|
|
*/
|
|
|
|
const size_t purgatorySize = mLayerPurgatory.size();
|
|
snprintf(buffer, SIZE, "Purgatory state (%d entries)\n", purgatorySize);
|
|
result.append(buffer);
|
|
for (size_t i=0 ; i<purgatorySize ; i++) {
|
|
const sp<LayerBase>& layer(mLayerPurgatory.itemAt(i));
|
|
layer->shortDump(result, buffer, SIZE);
|
|
}
|
|
|
|
/*
|
|
* Dump SurfaceFlinger global state
|
|
*/
|
|
|
|
snprintf(buffer, SIZE, "SurfaceFlinger global state:\n");
|
|
result.append(buffer);
|
|
|
|
const GLExtensions& extensions(GLExtensions::getInstance());
|
|
snprintf(buffer, SIZE, "GLES: %s, %s, %s\n",
|
|
extensions.getVendor(),
|
|
extensions.getRenderer(),
|
|
extensions.getVersion());
|
|
result.append(buffer);
|
|
snprintf(buffer, SIZE, "EXTS: %s\n", extensions.getExtension());
|
|
result.append(buffer);
|
|
|
|
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);
|
|
snprintf(buffer, SIZE,
|
|
" last eglSwapBuffers() time: %f us\n"
|
|
" last transaction time : %f us\n"
|
|
" refresh-rate : %f fps\n"
|
|
" x-dpi : %f\n"
|
|
" y-dpi : %f\n",
|
|
mLastSwapBufferTime/1000.0,
|
|
mLastTransactionTime/1000.0,
|
|
hw.getRefreshRate(),
|
|
hw.getDpiX(),
|
|
hw.getDpiY());
|
|
result.append(buffer);
|
|
|
|
if (inSwapBuffersDuration || !locked) {
|
|
snprintf(buffer, SIZE, " eglSwapBuffers time: %f us\n",
|
|
inSwapBuffersDuration/1000.0);
|
|
result.append(buffer);
|
|
}
|
|
|
|
if (inTransactionDuration || !locked) {
|
|
snprintf(buffer, SIZE, " transaction time: %f us\n",
|
|
inTransactionDuration/1000.0);
|
|
result.append(buffer);
|
|
}
|
|
|
|
/*
|
|
* Dump HWComposer state
|
|
*/
|
|
HWComposer& hwc(hw.getHwComposer());
|
|
snprintf(buffer, SIZE, " h/w composer %s and %s\n",
|
|
hwc.initCheck()==NO_ERROR ? "present" : "not present",
|
|
(mDebugDisableHWC || mDebugRegion) ? "disabled" : "enabled");
|
|
result.append(buffer);
|
|
hwc.dump(result, buffer, SIZE, mVisibleLayersSortedByZ);
|
|
|
|
/*
|
|
* Dump gralloc state
|
|
*/
|
|
const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
|
|
alloc.dump(result);
|
|
hw.dump(result);
|
|
|
|
if (locked) {
|
|
mStateLock.unlock();
|
|
}
|
|
}
|
|
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 SET_TRANSACTION_STATE:
|
|
case SET_ORIENTATION:
|
|
case FREEZE_DISPLAY:
|
|
case UNFREEZE_DISPLAY:
|
|
case BOOT_FINISHED:
|
|
case TURN_ELECTRON_BEAM_OFF:
|
|
case TURN_ELECTRON_BEAM_ON:
|
|
{
|
|
// codes that require permission check
|
|
IPCThreadState* ipc = IPCThreadState::self();
|
|
const int pid = ipc->getCallingPid();
|
|
const int uid = ipc->getCallingUid();
|
|
if ((uid != AID_GRAPHICS) &&
|
|
!PermissionCache::checkPermission(sAccessSurfaceFlinger, pid, uid)) {
|
|
LOGE("Permission Denial: "
|
|
"can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
|
|
return PERMISSION_DENIED;
|
|
}
|
|
break;
|
|
}
|
|
case CAPTURE_SCREEN:
|
|
{
|
|
// codes that require permission check
|
|
IPCThreadState* ipc = IPCThreadState::self();
|
|
const int pid = ipc->getCallingPid();
|
|
const int uid = ipc->getCallingUid();
|
|
if ((uid != AID_GRAPHICS) &&
|
|
!PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
|
|
LOGE("Permission Denial: "
|
|
"can't read framebuffer pid=%d, uid=%d", pid, uid);
|
|
return PERMISSION_DENIED;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
status_t err = BnSurfaceComposer::onTransact(code, data, reply, flags);
|
|
if (err == UNKNOWN_TRANSACTION || err == PERMISSION_DENIED) {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
if (UNLIKELY(!PermissionCache::checkCallingPermission(sHardwareTest))) {
|
|
IPCThreadState* ipc = IPCThreadState::self();
|
|
const int pid = ipc->getCallingPid();
|
|
const int uid = ipc->getCallingUid();
|
|
LOGE("Permission Denial: "
|
|
"can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
|
|
return PERMISSION_DENIED;
|
|
}
|
|
int n;
|
|
switch (code) {
|
|
case 1000: // SHOW_CPU, NOT SUPPORTED ANYMORE
|
|
case 1001: // SHOW_FPS, NOT SUPPORTED ANYMORE
|
|
return NO_ERROR;
|
|
case 1002: // SHOW_UPDATES
|
|
n = data.readInt32();
|
|
mDebugRegion = n ? n : (mDebugRegion ? 0 : 1);
|
|
invalidateHwcGeometry();
|
|
repaintEverything();
|
|
return NO_ERROR;
|
|
case 1003: // SHOW_BACKGROUND
|
|
n = data.readInt32();
|
|
mDebugBackground = n ? 1 : 0;
|
|
return NO_ERROR;
|
|
case 1004:{ // repaint everything
|
|
repaintEverything();
|
|
return NO_ERROR;
|
|
}
|
|
case 1005:{ // force transaction
|
|
setTransactionFlags(eTransactionNeeded|eTraversalNeeded);
|
|
return NO_ERROR;
|
|
}
|
|
case 1006:{ // enable/disable GraphicLog
|
|
int enabled = data.readInt32();
|
|
GraphicLog::getInstance().setEnabled(enabled);
|
|
return NO_ERROR;
|
|
}
|
|
case 1007: // set mFreezeCount
|
|
mFreezeCount = data.readInt32();
|
|
mFreezeDisplayTime = 0;
|
|
return NO_ERROR;
|
|
case 1008: // toggle use of hw composer
|
|
n = data.readInt32();
|
|
mDebugDisableHWC = n ? 1 : 0;
|
|
invalidateHwcGeometry();
|
|
repaintEverything();
|
|
return NO_ERROR;
|
|
case 1009: // toggle use of transform hint
|
|
n = data.readInt32();
|
|
mDebugDisableTransformHint = n ? 1 : 0;
|
|
invalidateHwcGeometry();
|
|
repaintEverything();
|
|
return NO_ERROR;
|
|
case 1010: // interrogate.
|
|
reply->writeInt32(0);
|
|
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;
|
|
}
|
|
|
|
void SurfaceFlinger::repaintEverything() {
|
|
Mutex::Autolock _l(mStateLock);
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
mDirtyRegion.set(hw.bounds());
|
|
signalEvent();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::renderScreenToTexture(DisplayID dpy,
|
|
GLuint* textureName, GLfloat* uOut, GLfloat* vOut)
|
|
{
|
|
Mutex::Autolock _l(mStateLock);
|
|
return renderScreenToTextureLocked(dpy, textureName, uOut, vOut);
|
|
}
|
|
|
|
status_t SurfaceFlinger::renderScreenToTextureLocked(DisplayID dpy,
|
|
GLuint* textureName, GLfloat* uOut, GLfloat* vOut)
|
|
{
|
|
if (!GLExtensions::getInstance().haveFramebufferObject())
|
|
return INVALID_OPERATION;
|
|
|
|
// get screen geometry
|
|
const DisplayHardware& hw(graphicPlane(dpy).displayHardware());
|
|
const uint32_t hw_w = hw.getWidth();
|
|
const uint32_t hw_h = hw.getHeight();
|
|
GLfloat u = 1;
|
|
GLfloat v = 1;
|
|
|
|
// make sure to clear all GL error flags
|
|
while ( glGetError() != GL_NO_ERROR ) ;
|
|
|
|
// create a FBO
|
|
GLuint name, tname;
|
|
glGenTextures(1, &tname);
|
|
glBindTexture(GL_TEXTURE_2D, tname);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
|
|
hw_w, hw_h, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
|
|
if (glGetError() != GL_NO_ERROR) {
|
|
while ( glGetError() != GL_NO_ERROR ) ;
|
|
GLint tw = (2 << (31 - clz(hw_w)));
|
|
GLint th = (2 << (31 - clz(hw_h)));
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
|
|
tw, th, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
|
|
u = GLfloat(hw_w) / tw;
|
|
v = GLfloat(hw_h) / th;
|
|
}
|
|
glGenFramebuffersOES(1, &name);
|
|
glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);
|
|
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,
|
|
GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0);
|
|
|
|
// redraw the screen entirely...
|
|
glDisable(GL_TEXTURE_EXTERNAL_OES);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glClearColor(0,0,0,1);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
layer->drawForSreenShot();
|
|
}
|
|
|
|
hw.compositionComplete();
|
|
|
|
// back to main framebuffer
|
|
glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
|
|
glDisable(GL_SCISSOR_TEST);
|
|
glDeleteFramebuffersOES(1, &name);
|
|
|
|
*textureName = tname;
|
|
*uOut = u;
|
|
*vOut = v;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::electronBeamOffAnimationImplLocked()
|
|
{
|
|
// get screen geometry
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
const uint32_t hw_w = hw.getWidth();
|
|
const uint32_t hw_h = hw.getHeight();
|
|
const Region screenBounds(hw.getBounds());
|
|
|
|
GLfloat u, v;
|
|
GLuint tname;
|
|
status_t result = renderScreenToTextureLocked(0, &tname, &u, &v);
|
|
if (result != NO_ERROR) {
|
|
return result;
|
|
}
|
|
|
|
GLfloat vtx[8];
|
|
const GLfloat texCoords[4][2] = { {0,0}, {0,v}, {u,v}, {u,0} };
|
|
glBindTexture(GL_TEXTURE_2D, tname);
|
|
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glVertexPointer(2, GL_FLOAT, 0, vtx);
|
|
|
|
/*
|
|
* Texture coordinate mapping
|
|
*
|
|
* u
|
|
* 1 +----------+---+
|
|
* | | | | image is inverted
|
|
* | V | | w.r.t. the texture
|
|
* 1-v +----------+ | coordinates
|
|
* | |
|
|
* | |
|
|
* | |
|
|
* 0 +--------------+
|
|
* 0 1
|
|
*
|
|
*/
|
|
|
|
class s_curve_interpolator {
|
|
const float nbFrames, s, v;
|
|
public:
|
|
s_curve_interpolator(int nbFrames, float s)
|
|
: nbFrames(1.0f / (nbFrames-1)), s(s),
|
|
v(1.0f + expf(-s + 0.5f*s)) {
|
|
}
|
|
float operator()(int f) {
|
|
const float x = f * nbFrames;
|
|
return ((1.0f/(1.0f + expf(-x*s + 0.5f*s))) - 0.5f) * v + 0.5f;
|
|
}
|
|
};
|
|
|
|
class v_stretch {
|
|
const GLfloat hw_w, hw_h;
|
|
public:
|
|
v_stretch(uint32_t hw_w, uint32_t hw_h)
|
|
: hw_w(hw_w), hw_h(hw_h) {
|
|
}
|
|
void operator()(GLfloat* vtx, float v) {
|
|
const GLfloat w = hw_w + (hw_w * v);
|
|
const GLfloat h = hw_h - (hw_h * v);
|
|
const GLfloat x = (hw_w - w) * 0.5f;
|
|
const GLfloat y = (hw_h - h) * 0.5f;
|
|
vtx[0] = x; vtx[1] = y;
|
|
vtx[2] = x; vtx[3] = y + h;
|
|
vtx[4] = x + w; vtx[5] = y + h;
|
|
vtx[6] = x + w; vtx[7] = y;
|
|
}
|
|
};
|
|
|
|
class h_stretch {
|
|
const GLfloat hw_w, hw_h;
|
|
public:
|
|
h_stretch(uint32_t hw_w, uint32_t hw_h)
|
|
: hw_w(hw_w), hw_h(hw_h) {
|
|
}
|
|
void operator()(GLfloat* vtx, float v) {
|
|
const GLfloat w = hw_w - (hw_w * v);
|
|
const GLfloat h = 1.0f;
|
|
const GLfloat x = (hw_w - w) * 0.5f;
|
|
const GLfloat y = (hw_h - h) * 0.5f;
|
|
vtx[0] = x; vtx[1] = y;
|
|
vtx[2] = x; vtx[3] = y + h;
|
|
vtx[4] = x + w; vtx[5] = y + h;
|
|
vtx[6] = x + w; vtx[7] = y;
|
|
}
|
|
};
|
|
|
|
// the full animation is 24 frames
|
|
char value[PROPERTY_VALUE_MAX];
|
|
property_get("debug.sf.electron_frames", value, "24");
|
|
int nbFrames = (atoi(value) + 1) >> 1;
|
|
if (nbFrames <= 0) // just in case
|
|
nbFrames = 24;
|
|
|
|
s_curve_interpolator itr(nbFrames, 7.5f);
|
|
s_curve_interpolator itg(nbFrames, 8.0f);
|
|
s_curve_interpolator itb(nbFrames, 8.5f);
|
|
|
|
v_stretch vverts(hw_w, hw_h);
|
|
|
|
glMatrixMode(GL_TEXTURE);
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_ONE, GL_ONE);
|
|
for (int i=0 ; i<nbFrames ; i++) {
|
|
float x, y, w, h;
|
|
const float vr = itr(i);
|
|
const float vg = itg(i);
|
|
const float vb = itb(i);
|
|
|
|
// clear screen
|
|
glColorMask(1,1,1,1);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glEnable(GL_TEXTURE_2D);
|
|
|
|
// draw the red plane
|
|
vverts(vtx, vr);
|
|
glColorMask(1,0,0,1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
// draw the green plane
|
|
vverts(vtx, vg);
|
|
glColorMask(0,1,0,1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
// draw the blue plane
|
|
vverts(vtx, vb);
|
|
glColorMask(0,0,1,1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
// draw the white highlight (we use the last vertices)
|
|
glDisable(GL_TEXTURE_2D);
|
|
glColorMask(1,1,1,1);
|
|
glColor4f(vg, vg, vg, 1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
hw.flip(screenBounds);
|
|
}
|
|
|
|
h_stretch hverts(hw_w, hw_h);
|
|
glDisable(GL_BLEND);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glColorMask(1,1,1,1);
|
|
for (int i=0 ; i<nbFrames ; i++) {
|
|
const float v = itg(i);
|
|
hverts(vtx, v);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glColor4f(1-v, 1-v, 1-v, 1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
hw.flip(screenBounds);
|
|
}
|
|
|
|
glColorMask(1,1,1,1);
|
|
glEnable(GL_SCISSOR_TEST);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glDeleteTextures(1, &tname);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glDisable(GL_BLEND);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t SurfaceFlinger::electronBeamOnAnimationImplLocked()
|
|
{
|
|
status_t result = PERMISSION_DENIED;
|
|
|
|
if (!GLExtensions::getInstance().haveFramebufferObject())
|
|
return INVALID_OPERATION;
|
|
|
|
|
|
// get screen geometry
|
|
const DisplayHardware& hw(graphicPlane(0).displayHardware());
|
|
const uint32_t hw_w = hw.getWidth();
|
|
const uint32_t hw_h = hw.getHeight();
|
|
const Region screenBounds(hw.bounds());
|
|
|
|
GLfloat u, v;
|
|
GLuint tname;
|
|
result = renderScreenToTextureLocked(0, &tname, &u, &v);
|
|
if (result != NO_ERROR) {
|
|
return result;
|
|
}
|
|
|
|
GLfloat vtx[8];
|
|
const GLfloat texCoords[4][2] = { {0,v}, {0,0}, {u,0}, {u,v} };
|
|
glBindTexture(GL_TEXTURE_2D, tname);
|
|
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glVertexPointer(2, GL_FLOAT, 0, vtx);
|
|
|
|
class s_curve_interpolator {
|
|
const float nbFrames, s, v;
|
|
public:
|
|
s_curve_interpolator(int nbFrames, float s)
|
|
: nbFrames(1.0f / (nbFrames-1)), s(s),
|
|
v(1.0f + expf(-s + 0.5f*s)) {
|
|
}
|
|
float operator()(int f) {
|
|
const float x = f * nbFrames;
|
|
return ((1.0f/(1.0f + expf(-x*s + 0.5f*s))) - 0.5f) * v + 0.5f;
|
|
}
|
|
};
|
|
|
|
class v_stretch {
|
|
const GLfloat hw_w, hw_h;
|
|
public:
|
|
v_stretch(uint32_t hw_w, uint32_t hw_h)
|
|
: hw_w(hw_w), hw_h(hw_h) {
|
|
}
|
|
void operator()(GLfloat* vtx, float v) {
|
|
const GLfloat w = hw_w + (hw_w * v);
|
|
const GLfloat h = hw_h - (hw_h * v);
|
|
const GLfloat x = (hw_w - w) * 0.5f;
|
|
const GLfloat y = (hw_h - h) * 0.5f;
|
|
vtx[0] = x; vtx[1] = y;
|
|
vtx[2] = x; vtx[3] = y + h;
|
|
vtx[4] = x + w; vtx[5] = y + h;
|
|
vtx[6] = x + w; vtx[7] = y;
|
|
}
|
|
};
|
|
|
|
class h_stretch {
|
|
const GLfloat hw_w, hw_h;
|
|
public:
|
|
h_stretch(uint32_t hw_w, uint32_t hw_h)
|
|
: hw_w(hw_w), hw_h(hw_h) {
|
|
}
|
|
void operator()(GLfloat* vtx, float v) {
|
|
const GLfloat w = hw_w - (hw_w * v);
|
|
const GLfloat h = 1.0f;
|
|
const GLfloat x = (hw_w - w) * 0.5f;
|
|
const GLfloat y = (hw_h - h) * 0.5f;
|
|
vtx[0] = x; vtx[1] = y;
|
|
vtx[2] = x; vtx[3] = y + h;
|
|
vtx[4] = x + w; vtx[5] = y + h;
|
|
vtx[6] = x + w; vtx[7] = y;
|
|
}
|
|
};
|
|
|
|
// the full animation is 12 frames
|
|
int nbFrames = 8;
|
|
s_curve_interpolator itr(nbFrames, 7.5f);
|
|
s_curve_interpolator itg(nbFrames, 8.0f);
|
|
s_curve_interpolator itb(nbFrames, 8.5f);
|
|
|
|
h_stretch hverts(hw_w, hw_h);
|
|
glDisable(GL_BLEND);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glColorMask(1,1,1,1);
|
|
for (int i=nbFrames-1 ; i>=0 ; i--) {
|
|
const float v = itg(i);
|
|
hverts(vtx, v);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glColor4f(1-v, 1-v, 1-v, 1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
hw.flip(screenBounds);
|
|
}
|
|
|
|
nbFrames = 4;
|
|
v_stretch vverts(hw_w, hw_h);
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_ONE, GL_ONE);
|
|
for (int i=nbFrames-1 ; i>=0 ; i--) {
|
|
float x, y, w, h;
|
|
const float vr = itr(i);
|
|
const float vg = itg(i);
|
|
const float vb = itb(i);
|
|
|
|
// clear screen
|
|
glColorMask(1,1,1,1);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glEnable(GL_TEXTURE_2D);
|
|
|
|
// draw the red plane
|
|
vverts(vtx, vr);
|
|
glColorMask(1,0,0,1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
// draw the green plane
|
|
vverts(vtx, vg);
|
|
glColorMask(0,1,0,1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
// draw the blue plane
|
|
vverts(vtx, vb);
|
|
glColorMask(0,0,1,1);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
hw.flip(screenBounds);
|
|
}
|
|
|
|
glColorMask(1,1,1,1);
|
|
glEnable(GL_SCISSOR_TEST);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glDeleteTextures(1, &tname);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glDisable(GL_BLEND);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::turnElectronBeamOffImplLocked(int32_t mode)
|
|
{
|
|
DisplayHardware& hw(graphicPlane(0).editDisplayHardware());
|
|
if (!hw.canDraw()) {
|
|
// we're already off
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// turn off hwc while we're doing the animation
|
|
hw.getHwComposer().disable();
|
|
// and make sure to turn it back on (if needed) next time we compose
|
|
invalidateHwcGeometry();
|
|
|
|
if (mode & ISurfaceComposer::eElectronBeamAnimationOff) {
|
|
electronBeamOffAnimationImplLocked();
|
|
}
|
|
|
|
// always clear the whole screen at the end of the animation
|
|
glClearColor(0,0,0,1);
|
|
glDisable(GL_SCISSOR_TEST);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glEnable(GL_SCISSOR_TEST);
|
|
hw.flip( Region(hw.bounds()) );
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t SurfaceFlinger::turnElectronBeamOff(int32_t mode)
|
|
{
|
|
class MessageTurnElectronBeamOff : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
int32_t mode;
|
|
status_t result;
|
|
public:
|
|
MessageTurnElectronBeamOff(SurfaceFlinger* flinger, int32_t mode)
|
|
: flinger(flinger), mode(mode), result(PERMISSION_DENIED) {
|
|
}
|
|
status_t getResult() const {
|
|
return result;
|
|
}
|
|
virtual bool handler() {
|
|
Mutex::Autolock _l(flinger->mStateLock);
|
|
result = flinger->turnElectronBeamOffImplLocked(mode);
|
|
return true;
|
|
}
|
|
};
|
|
|
|
sp<MessageBase> msg = new MessageTurnElectronBeamOff(this, mode);
|
|
status_t res = postMessageSync(msg);
|
|
if (res == NO_ERROR) {
|
|
res = static_cast<MessageTurnElectronBeamOff*>( msg.get() )->getResult();
|
|
|
|
// work-around: when the power-manager calls us we activate the
|
|
// animation. eventually, the "on" animation will be called
|
|
// by the power-manager itself
|
|
mElectronBeamAnimationMode = mode;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::turnElectronBeamOnImplLocked(int32_t mode)
|
|
{
|
|
DisplayHardware& hw(graphicPlane(0).editDisplayHardware());
|
|
if (hw.canDraw()) {
|
|
// we're already on
|
|
return NO_ERROR;
|
|
}
|
|
if (mode & ISurfaceComposer::eElectronBeamAnimationOn) {
|
|
electronBeamOnAnimationImplLocked();
|
|
}
|
|
|
|
// make sure to redraw the whole screen when the animation is done
|
|
mDirtyRegion.set(hw.bounds());
|
|
signalEvent();
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t SurfaceFlinger::turnElectronBeamOn(int32_t mode)
|
|
{
|
|
class MessageTurnElectronBeamOn : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
int32_t mode;
|
|
status_t result;
|
|
public:
|
|
MessageTurnElectronBeamOn(SurfaceFlinger* flinger, int32_t mode)
|
|
: flinger(flinger), mode(mode), result(PERMISSION_DENIED) {
|
|
}
|
|
status_t getResult() const {
|
|
return result;
|
|
}
|
|
virtual bool handler() {
|
|
Mutex::Autolock _l(flinger->mStateLock);
|
|
result = flinger->turnElectronBeamOnImplLocked(mode);
|
|
return true;
|
|
}
|
|
};
|
|
|
|
postMessageAsync( new MessageTurnElectronBeamOn(this, mode) );
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
|
|
sp<IMemoryHeap>* heap,
|
|
uint32_t* w, uint32_t* h, PixelFormat* f,
|
|
uint32_t sw, uint32_t sh,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ)
|
|
{
|
|
status_t result = PERMISSION_DENIED;
|
|
|
|
// only one display supported for now
|
|
if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
|
|
return BAD_VALUE;
|
|
|
|
if (!GLExtensions::getInstance().haveFramebufferObject())
|
|
return INVALID_OPERATION;
|
|
|
|
// get screen geometry
|
|
const DisplayHardware& hw(graphicPlane(dpy).displayHardware());
|
|
const uint32_t hw_w = hw.getWidth();
|
|
const uint32_t hw_h = hw.getHeight();
|
|
|
|
if ((sw > hw_w) || (sh > hw_h))
|
|
return BAD_VALUE;
|
|
|
|
sw = (!sw) ? hw_w : sw;
|
|
sh = (!sh) ? hw_h : sh;
|
|
const size_t size = sw * sh * 4;
|
|
|
|
//LOGD("screenshot: sw=%d, sh=%d, minZ=%d, maxZ=%d",
|
|
// sw, sh, minLayerZ, maxLayerZ);
|
|
|
|
// make sure to clear all GL error flags
|
|
while ( glGetError() != GL_NO_ERROR ) ;
|
|
|
|
// create a FBO
|
|
GLuint name, tname;
|
|
glGenRenderbuffersOES(1, &tname);
|
|
glBindRenderbufferOES(GL_RENDERBUFFER_OES, tname);
|
|
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_RGBA8_OES, sw, sh);
|
|
glGenFramebuffersOES(1, &name);
|
|
glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);
|
|
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES,
|
|
GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, tname);
|
|
|
|
GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
|
|
|
|
if (status == GL_FRAMEBUFFER_COMPLETE_OES) {
|
|
|
|
// invert everything, b/c glReadPixel() below will invert the FB
|
|
glViewport(0, 0, sw, sh);
|
|
glScissor(0, 0, sw, sh);
|
|
glEnable(GL_SCISSOR_TEST);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
glOrthof(0, hw_w, hw_h, 0, 0, 1);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
// redraw the screen entirely...
|
|
glClearColor(0,0,0,1);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
const LayerVector& layers(mDrawingState.layersSortedByZ);
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
const uint32_t flags = layer->drawingState().flags;
|
|
if (!(flags & ISurfaceComposer::eLayerHidden)) {
|
|
const uint32_t z = layer->drawingState().z;
|
|
if (z >= minLayerZ && z <= maxLayerZ) {
|
|
layer->drawForSreenShot();
|
|
}
|
|
}
|
|
}
|
|
|
|
// XXX: this is needed on tegra
|
|
glEnable(GL_SCISSOR_TEST);
|
|
glScissor(0, 0, sw, sh);
|
|
|
|
// check for errors and return screen capture
|
|
if (glGetError() != GL_NO_ERROR) {
|
|
// error while rendering
|
|
result = INVALID_OPERATION;
|
|
} else {
|
|
// allocate shared memory large enough to hold the
|
|
// screen capture
|
|
sp<MemoryHeapBase> base(
|
|
new MemoryHeapBase(size, 0, "screen-capture") );
|
|
void* const ptr = base->getBase();
|
|
if (ptr) {
|
|
// capture the screen with glReadPixels()
|
|
glReadPixels(0, 0, sw, sh, GL_RGBA, GL_UNSIGNED_BYTE, ptr);
|
|
if (glGetError() == GL_NO_ERROR) {
|
|
*heap = base;
|
|
*w = sw;
|
|
*h = sh;
|
|
*f = PIXEL_FORMAT_RGBA_8888;
|
|
result = NO_ERROR;
|
|
}
|
|
} else {
|
|
result = NO_MEMORY;
|
|
}
|
|
}
|
|
glEnable(GL_SCISSOR_TEST);
|
|
glViewport(0, 0, hw_w, hw_h);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPopMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
} else {
|
|
result = BAD_VALUE;
|
|
}
|
|
|
|
// release FBO resources
|
|
glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
|
|
glDeleteRenderbuffersOES(1, &tname);
|
|
glDeleteFramebuffersOES(1, &name);
|
|
|
|
hw.compositionComplete();
|
|
|
|
// LOGD("screenshot: result = %s", result<0 ? strerror(result) : "OK");
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
status_t SurfaceFlinger::captureScreen(DisplayID dpy,
|
|
sp<IMemoryHeap>* heap,
|
|
uint32_t* width, uint32_t* height, PixelFormat* format,
|
|
uint32_t sw, uint32_t sh,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ)
|
|
{
|
|
// only one display supported for now
|
|
if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
|
|
return BAD_VALUE;
|
|
|
|
if (!GLExtensions::getInstance().haveFramebufferObject())
|
|
return INVALID_OPERATION;
|
|
|
|
class MessageCaptureScreen : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
DisplayID dpy;
|
|
sp<IMemoryHeap>* heap;
|
|
uint32_t* w;
|
|
uint32_t* h;
|
|
PixelFormat* f;
|
|
uint32_t sw;
|
|
uint32_t sh;
|
|
uint32_t minLayerZ;
|
|
uint32_t maxLayerZ;
|
|
status_t result;
|
|
public:
|
|
MessageCaptureScreen(SurfaceFlinger* flinger, DisplayID dpy,
|
|
sp<IMemoryHeap>* heap, uint32_t* w, uint32_t* h, PixelFormat* f,
|
|
uint32_t sw, uint32_t sh,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ)
|
|
: flinger(flinger), dpy(dpy),
|
|
heap(heap), w(w), h(h), f(f), sw(sw), sh(sh),
|
|
minLayerZ(minLayerZ), maxLayerZ(maxLayerZ),
|
|
result(PERMISSION_DENIED)
|
|
{
|
|
}
|
|
status_t getResult() const {
|
|
return result;
|
|
}
|
|
virtual bool handler() {
|
|
Mutex::Autolock _l(flinger->mStateLock);
|
|
|
|
// if we have secure windows, never allow the screen capture
|
|
if (flinger->mSecureFrameBuffer)
|
|
return true;
|
|
|
|
result = flinger->captureScreenImplLocked(dpy,
|
|
heap, w, h, f, sw, sh, minLayerZ, maxLayerZ);
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
sp<MessageBase> msg = new MessageCaptureScreen(this,
|
|
dpy, heap, width, height, format, sw, sh, minLayerZ, maxLayerZ);
|
|
status_t res = postMessageSync(msg);
|
|
if (res == NO_ERROR) {
|
|
res = static_cast<MessageCaptureScreen*>( msg.get() )->getResult();
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
sp<Layer> SurfaceFlinger::getLayer(const sp<ISurface>& sur) const
|
|
{
|
|
sp<Layer> result;
|
|
Mutex::Autolock _l(mStateLock);
|
|
result = mLayerMap.valueFor( sur->asBinder() ).promote();
|
|
return result;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
Client::Client(const sp<SurfaceFlinger>& flinger)
|
|
: mFlinger(flinger), mNameGenerator(1)
|
|
{
|
|
}
|
|
|
|
Client::~Client()
|
|
{
|
|
const size_t count = mLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
sp<LayerBaseClient> layer(mLayers.valueAt(i).promote());
|
|
if (layer != 0) {
|
|
mFlinger->removeLayer(layer);
|
|
}
|
|
}
|
|
}
|
|
|
|
status_t Client::initCheck() const {
|
|
return NO_ERROR;
|
|
}
|
|
|
|
size_t Client::attachLayer(const sp<LayerBaseClient>& layer)
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
size_t name = mNameGenerator++;
|
|
mLayers.add(name, layer);
|
|
return name;
|
|
}
|
|
|
|
void Client::detachLayer(const LayerBaseClient* 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<LayerBaseClient> Client::getLayerUser(int32_t i) const
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
sp<LayerBaseClient> lbc;
|
|
wp<LayerBaseClient> layer(mLayers.valueFor(i));
|
|
if (layer != 0) {
|
|
lbc = layer.promote();
|
|
LOGE_IF(lbc==0, "getLayerUser(name=%d) is dead", int(i));
|
|
}
|
|
return lbc;
|
|
}
|
|
|
|
|
|
status_t Client::onTransact(
|
|
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
|
|
{
|
|
// these must be checked
|
|
IPCThreadState* ipc = IPCThreadState::self();
|
|
const int pid = ipc->getCallingPid();
|
|
const int uid = ipc->getCallingUid();
|
|
const int self_pid = getpid();
|
|
if (UNLIKELY(pid != self_pid && uid != AID_GRAPHICS && uid != 0)) {
|
|
// we're called from a different process, do the real check
|
|
if (!PermissionCache::checkCallingPermission(sAccessSurfaceFlinger))
|
|
{
|
|
LOGE("Permission Denial: "
|
|
"can't openGlobalTransaction pid=%d, uid=%d", pid, uid);
|
|
return PERMISSION_DENIED;
|
|
}
|
|
}
|
|
return BnSurfaceComposerClient::onTransact(code, data, reply, flags);
|
|
}
|
|
|
|
|
|
sp<ISurface> Client::createSurface(
|
|
ISurfaceComposerClient::surface_data_t* params,
|
|
const String8& name,
|
|
DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
|
|
uint32_t flags)
|
|
{
|
|
/*
|
|
* createSurface must be called from the GL thread so that it can
|
|
* have access to the GL context.
|
|
*/
|
|
|
|
class MessageCreateSurface : public MessageBase {
|
|
sp<ISurface> result;
|
|
SurfaceFlinger* flinger;
|
|
ISurfaceComposerClient::surface_data_t* params;
|
|
Client* client;
|
|
const String8& name;
|
|
DisplayID display;
|
|
uint32_t w, h;
|
|
PixelFormat format;
|
|
uint32_t flags;
|
|
public:
|
|
MessageCreateSurface(SurfaceFlinger* flinger,
|
|
ISurfaceComposerClient::surface_data_t* params,
|
|
const String8& name, Client* client,
|
|
DisplayID display, uint32_t w, uint32_t h, PixelFormat format,
|
|
uint32_t flags)
|
|
: flinger(flinger), params(params), client(client), name(name),
|
|
display(display), w(w), h(h), format(format), flags(flags)
|
|
{
|
|
}
|
|
sp<ISurface> getResult() const { return result; }
|
|
virtual bool handler() {
|
|
result = flinger->createSurface(params, name, client,
|
|
display, w, h, format, flags);
|
|
return true;
|
|
}
|
|
};
|
|
|
|
sp<MessageBase> msg = new MessageCreateSurface(mFlinger.get(),
|
|
params, name, this, display, w, h, format, flags);
|
|
mFlinger->postMessageSync(msg);
|
|
return static_cast<MessageCreateSurface*>( msg.get() )->getResult();
|
|
}
|
|
status_t Client::destroySurface(SurfaceID sid) {
|
|
return mFlinger->removeSurface(this, sid);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
GraphicBufferAlloc::GraphicBufferAlloc() {}
|
|
|
|
GraphicBufferAlloc::~GraphicBufferAlloc() {}
|
|
|
|
sp<GraphicBuffer> GraphicBufferAlloc::createGraphicBuffer(uint32_t w, uint32_t h,
|
|
PixelFormat format, uint32_t usage, status_t* error) {
|
|
sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(w, h, format, usage));
|
|
status_t err = graphicBuffer->initCheck();
|
|
*error = err;
|
|
if (err != 0 || graphicBuffer->handle == 0) {
|
|
if (err == NO_MEMORY) {
|
|
GraphicBuffer::dumpAllocationsToSystemLog();
|
|
}
|
|
LOGE("GraphicBufferAlloc::createGraphicBuffer(w=%d, h=%d) "
|
|
"failed (%s), handle=%p",
|
|
w, h, strerror(-err), graphicBuffer->handle);
|
|
return 0;
|
|
}
|
|
return graphicBuffer;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
GraphicPlane::GraphicPlane()
|
|
: mHw(0)
|
|
{
|
|
}
|
|
|
|
GraphicPlane::~GraphicPlane() {
|
|
delete mHw;
|
|
}
|
|
|
|
bool GraphicPlane::initialized() const {
|
|
return mHw ? true : false;
|
|
}
|
|
|
|
int GraphicPlane::getWidth() const {
|
|
return mWidth;
|
|
}
|
|
|
|
int GraphicPlane::getHeight() const {
|
|
return mHeight;
|
|
}
|
|
|
|
void GraphicPlane::setDisplayHardware(DisplayHardware *hw)
|
|
{
|
|
mHw = hw;
|
|
|
|
// initialize the display orientation transform.
|
|
// it's a constant that should come from the display driver.
|
|
int displayOrientation = ISurfaceComposer::eOrientationDefault;
|
|
char property[PROPERTY_VALUE_MAX];
|
|
if (property_get("ro.sf.hwrotation", property, NULL) > 0) {
|
|
//displayOrientation
|
|
switch (atoi(property)) {
|
|
case 90:
|
|
displayOrientation = ISurfaceComposer::eOrientation90;
|
|
break;
|
|
case 270:
|
|
displayOrientation = ISurfaceComposer::eOrientation270;
|
|
break;
|
|
}
|
|
}
|
|
|
|
const float w = hw->getWidth();
|
|
const float h = hw->getHeight();
|
|
GraphicPlane::orientationToTransfrom(displayOrientation, w, h,
|
|
&mDisplayTransform);
|
|
if (displayOrientation & ISurfaceComposer::eOrientationSwapMask) {
|
|
mDisplayWidth = h;
|
|
mDisplayHeight = w;
|
|
} else {
|
|
mDisplayWidth = w;
|
|
mDisplayHeight = h;
|
|
}
|
|
|
|
setOrientation(ISurfaceComposer::eOrientationDefault);
|
|
}
|
|
|
|
status_t GraphicPlane::orientationToTransfrom(
|
|
int orientation, int w, int h, Transform* tr)
|
|
{
|
|
uint32_t flags = 0;
|
|
switch (orientation) {
|
|
case ISurfaceComposer::eOrientationDefault:
|
|
flags = Transform::ROT_0;
|
|
break;
|
|
case ISurfaceComposer::eOrientation90:
|
|
flags = Transform::ROT_90;
|
|
break;
|
|
case ISurfaceComposer::eOrientation180:
|
|
flags = Transform::ROT_180;
|
|
break;
|
|
case ISurfaceComposer::eOrientation270:
|
|
flags = Transform::ROT_270;
|
|
break;
|
|
default:
|
|
return BAD_VALUE;
|
|
}
|
|
tr->set(flags, w, h);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t GraphicPlane::setOrientation(int orientation)
|
|
{
|
|
// If the rotation can be handled in hardware, this is where
|
|
// the magic should happen.
|
|
|
|
const DisplayHardware& hw(displayHardware());
|
|
const float w = mDisplayWidth;
|
|
const float h = mDisplayHeight;
|
|
mWidth = int(w);
|
|
mHeight = int(h);
|
|
|
|
Transform orientationTransform;
|
|
GraphicPlane::orientationToTransfrom(orientation, w, h,
|
|
&orientationTransform);
|
|
if (orientation & ISurfaceComposer::eOrientationSwapMask) {
|
|
mWidth = int(h);
|
|
mHeight = int(w);
|
|
}
|
|
|
|
mOrientation = orientation;
|
|
mGlobalTransform = mDisplayTransform * orientationTransform;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
const DisplayHardware& GraphicPlane::displayHardware() const {
|
|
return *mHw;
|
|
}
|
|
|
|
DisplayHardware& GraphicPlane::editDisplayHardware() {
|
|
return *mHw;
|
|
}
|
|
|
|
const Transform& GraphicPlane::transform() const {
|
|
return mGlobalTransform;
|
|
}
|
|
|
|
EGLDisplay GraphicPlane::getEGLDisplay() const {
|
|
return mHw->getEGLDisplay();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|