3345 lines
120 KiB
C++
3345 lines
120 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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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#include <stdint.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <math.h>
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#include <dlfcn.h>
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#include <inttypes.h>
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#include <stdatomic.h>
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#include <EGL/egl.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 <ui/DisplayInfo.h>
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#include <ui/DisplayStatInfo.h>
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#include <gui/BitTube.h>
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#include <gui/BufferQueue.h>
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#include <gui/GuiConfig.h>
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#include <gui/IDisplayEventConnection.h>
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#include <gui/Surface.h>
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#include <gui/GraphicBufferAlloc.h>
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#include <ui/GraphicBufferAllocator.h>
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#include <ui/PixelFormat.h>
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#include <ui/UiConfig.h>
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#include <utils/misc.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 <utils/Trace.h>
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#include <private/android_filesystem_config.h>
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#include <private/gui/SyncFeatures.h>
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#include "Client.h"
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#include "clz.h"
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#include "Colorizer.h"
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#include "DdmConnection.h"
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#include "DisplayDevice.h"
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#include "DispSync.h"
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#include "EventControlThread.h"
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#include "EventThread.h"
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#include "Layer.h"
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#include "LayerDim.h"
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#include "SurfaceFlinger.h"
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#include "DisplayHardware/FramebufferSurface.h"
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#include "DisplayHardware/HWComposer.h"
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#include "DisplayHardware/VirtualDisplaySurface.h"
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#include "Effects/Daltonizer.h"
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#include "RenderEngine/RenderEngine.h"
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#include <cutils/compiler.h>
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#define DISPLAY_COUNT 1
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/*
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* DEBUG_SCREENSHOTS: set to true to check that screenshots are not all
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* black pixels.
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*/
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#define DEBUG_SCREENSHOTS false
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EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name);
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namespace android {
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// This is the phase offset in nanoseconds of the software vsync event
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// relative to the vsync event reported by HWComposer. The software vsync
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// event is when SurfaceFlinger and Choreographer-based applications run each
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// frame.
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//
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// This phase offset allows adjustment of the minimum latency from application
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// wake-up (by Choregographer) time to the time at which the resulting window
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// image is displayed. This value may be either positive (after the HW vsync)
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// or negative (before the HW vsync). Setting it to 0 will result in a
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// minimum latency of two vsync periods because the app and SurfaceFlinger
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// will run just after the HW vsync. Setting it to a positive number will
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// result in the minimum latency being:
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//
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// (2 * VSYNC_PERIOD - (vsyncPhaseOffsetNs % VSYNC_PERIOD))
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//
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// Note that reducing this latency makes it more likely for the applications
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// to not have their window content image ready in time. When this happens
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// the latency will end up being an additional vsync period, and animations
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// will hiccup. Therefore, this latency should be tuned somewhat
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// conservatively (or at least with awareness of the trade-off being made).
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static const int64_t vsyncPhaseOffsetNs = VSYNC_EVENT_PHASE_OFFSET_NS;
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// This is the phase offset at which SurfaceFlinger's composition runs.
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static const int64_t sfVsyncPhaseOffsetNs = SF_VSYNC_EVENT_PHASE_OFFSET_NS;
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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(),
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mTransactionFlags(0),
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mTransactionPending(false),
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mAnimTransactionPending(false),
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mLayersRemoved(false),
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mRepaintEverything(0),
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mRenderEngine(NULL),
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mBootTime(systemTime()),
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mVisibleRegionsDirty(false),
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mHwWorkListDirty(false),
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mAnimCompositionPending(false),
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mDebugRegion(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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mPrimaryHWVsyncEnabled(false),
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mHWVsyncAvailable(false),
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mDaltonize(false),
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mHasColorMatrix(false)
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{
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ALOGI("SurfaceFlinger is starting");
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// debugging stuff...
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char value[PROPERTY_VALUE_MAX];
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property_get("ro.bq.gpu_to_cpu_unsupported", value, "0");
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mGpuToCpuSupported = !atoi(value);
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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.ddms", value, "0");
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mDebugDDMS = atoi(value);
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if (mDebugDDMS) {
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if (!startDdmConnection()) {
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// start failed, and DDMS debugging not enabled
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mDebugDDMS = 0;
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}
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}
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ALOGI_IF(mDebugRegion, "showupdates enabled");
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ALOGI_IF(mDebugDDMS, "DDMS debugging enabled");
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}
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void SurfaceFlinger::onFirstRef()
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{
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mEventQueue.init(this);
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}
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SurfaceFlinger::~SurfaceFlinger()
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{
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EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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eglTerminate(display);
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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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// restore initial conditions (default device unblank, etc)
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initializeDisplays();
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// restart the boot-animation
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startBootAnim();
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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<IBinder> SurfaceFlinger::createDisplay(const String8& displayName,
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bool secure)
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{
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class DisplayToken : public BBinder {
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sp<SurfaceFlinger> flinger;
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virtual ~DisplayToken() {
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// no more references, this display must be terminated
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Mutex::Autolock _l(flinger->mStateLock);
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flinger->mCurrentState.displays.removeItem(this);
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flinger->setTransactionFlags(eDisplayTransactionNeeded);
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}
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public:
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DisplayToken(const sp<SurfaceFlinger>& flinger)
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: flinger(flinger) {
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}
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};
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sp<BBinder> token = new DisplayToken(this);
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Mutex::Autolock _l(mStateLock);
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DisplayDeviceState info(DisplayDevice::DISPLAY_VIRTUAL);
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info.displayName = displayName;
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info.isSecure = secure;
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mCurrentState.displays.add(token, info);
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return token;
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}
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void SurfaceFlinger::destroyDisplay(const sp<IBinder>& display) {
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Mutex::Autolock _l(mStateLock);
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ssize_t idx = mCurrentState.displays.indexOfKey(display);
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if (idx < 0) {
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ALOGW("destroyDisplay: invalid display token");
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return;
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}
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const DisplayDeviceState& info(mCurrentState.displays.valueAt(idx));
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if (!info.isVirtualDisplay()) {
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ALOGE("destroyDisplay called for non-virtual display");
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return;
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}
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mCurrentState.displays.removeItemsAt(idx);
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setTransactionFlags(eDisplayTransactionNeeded);
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}
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void SurfaceFlinger::createBuiltinDisplayLocked(DisplayDevice::DisplayType type) {
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ALOGW_IF(mBuiltinDisplays[type],
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"Overwriting display token for display type %d", type);
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mBuiltinDisplays[type] = new BBinder();
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DisplayDeviceState info(type);
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// All non-virtual displays are currently considered secure.
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info.isSecure = true;
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mCurrentState.displays.add(mBuiltinDisplays[type], info);
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}
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sp<IBinder> SurfaceFlinger::getBuiltInDisplay(int32_t id) {
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if (uint32_t(id) >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
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ALOGE("getDefaultDisplay: id=%d is not a valid default display id", id);
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return NULL;
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}
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return mBuiltinDisplays[id];
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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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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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ALOGI("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(static_cast<IBinder::DeathRecipient*>(this));
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}
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// stop boot animation
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// formerly we would just kill the process, but we now ask it to exit so it
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// can choose where to stop the animation.
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property_set("service.bootanim.exit", "1");
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}
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void SurfaceFlinger::deleteTextureAsync(uint32_t texture) {
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class MessageDestroyGLTexture : public MessageBase {
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RenderEngine& engine;
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uint32_t texture;
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public:
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MessageDestroyGLTexture(RenderEngine& engine, uint32_t texture)
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: engine(engine), texture(texture) {
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}
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virtual bool handler() {
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engine.deleteTextures(1, &texture);
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return true;
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}
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};
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postMessageAsync(new MessageDestroyGLTexture(getRenderEngine(), texture));
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}
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class DispSyncSource : public VSyncSource, private DispSync::Callback {
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public:
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DispSyncSource(DispSync* dispSync, nsecs_t phaseOffset, bool traceVsync,
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const char* label) :
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mValue(0),
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mPhaseOffset(phaseOffset),
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mTraceVsync(traceVsync),
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mVsyncOnLabel(String8::format("VsyncOn-%s", label)),
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mVsyncEventLabel(String8::format("VSYNC-%s", label)),
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mDispSync(dispSync) {}
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virtual ~DispSyncSource() {}
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virtual void setVSyncEnabled(bool enable) {
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// Do NOT lock the mutex here so as to avoid any mutex ordering issues
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// with locking it in the onDispSyncEvent callback.
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if (enable) {
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status_t err = mDispSync->addEventListener(mPhaseOffset,
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static_cast<DispSync::Callback*>(this));
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if (err != NO_ERROR) {
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ALOGE("error registering vsync callback: %s (%d)",
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strerror(-err), err);
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}
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//ATRACE_INT(mVsyncOnLabel.string(), 1);
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} else {
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status_t err = mDispSync->removeEventListener(
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static_cast<DispSync::Callback*>(this));
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if (err != NO_ERROR) {
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ALOGE("error unregistering vsync callback: %s (%d)",
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strerror(-err), err);
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}
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//ATRACE_INT(mVsyncOnLabel.string(), 0);
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}
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}
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virtual void setCallback(const sp<VSyncSource::Callback>& callback) {
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Mutex::Autolock lock(mMutex);
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mCallback = callback;
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}
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private:
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virtual void onDispSyncEvent(nsecs_t when) {
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sp<VSyncSource::Callback> callback;
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{
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Mutex::Autolock lock(mMutex);
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callback = mCallback;
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if (mTraceVsync) {
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mValue = (mValue + 1) % 2;
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ATRACE_INT(mVsyncEventLabel.string(), mValue);
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}
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}
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if (callback != NULL) {
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callback->onVSyncEvent(when);
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}
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}
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int mValue;
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const nsecs_t mPhaseOffset;
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const bool mTraceVsync;
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const String8 mVsyncOnLabel;
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const String8 mVsyncEventLabel;
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DispSync* mDispSync;
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sp<VSyncSource::Callback> mCallback;
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Mutex mMutex;
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};
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void SurfaceFlinger::init() {
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ALOGI( "SurfaceFlinger's main thread ready to run. "
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"Initializing graphics H/W...");
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status_t err;
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Mutex::Autolock _l(mStateLock);
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// initialize EGL for the default display
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mEGLDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglInitialize(mEGLDisplay, NULL, NULL);
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// Initialize the H/W composer object. There may or may not be an
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// actual hardware composer underneath.
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mHwc = new HWComposer(this,
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*static_cast<HWComposer::EventHandler *>(this));
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// get a RenderEngine for the given display / config (can't fail)
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mRenderEngine = RenderEngine::create(mEGLDisplay, mHwc->getVisualID());
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// retrieve the EGL context that was selected/created
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mEGLContext = mRenderEngine->getEGLContext();
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LOG_ALWAYS_FATAL_IF(mEGLContext == EGL_NO_CONTEXT,
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"couldn't create EGLContext");
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// initialize our non-virtual displays
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for (size_t i=0 ; i<DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES ; i++) {
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DisplayDevice::DisplayType type((DisplayDevice::DisplayType)i);
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// set-up the displays that are already connected
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if (mHwc->isConnected(i) || type==DisplayDevice::DISPLAY_PRIMARY) {
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// All non-virtual displays are currently considered secure.
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bool isSecure = true;
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createBuiltinDisplayLocked(type);
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wp<IBinder> token = mBuiltinDisplays[i];
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sp<IGraphicBufferProducer> producer;
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sp<IGraphicBufferConsumer> consumer;
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BufferQueue::createBufferQueue(&producer, &consumer,
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new GraphicBufferAlloc());
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sp<FramebufferSurface> fbs = new FramebufferSurface(*mHwc, i,
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consumer);
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int32_t hwcId = allocateHwcDisplayId(type);
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sp<DisplayDevice> hw = new DisplayDevice(this,
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type, hwcId, mHwc->getFormat(hwcId), isSecure, token,
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fbs, producer,
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mRenderEngine->getEGLConfig());
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if (i > DisplayDevice::DISPLAY_PRIMARY) {
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// FIXME: currently we don't get blank/unblank requests
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// for displays other than the main display, so we always
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// assume a connected display is unblanked.
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ALOGD("marking display %zu as acquired/unblanked", i);
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hw->setPowerMode(HWC_POWER_MODE_NORMAL);
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}
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mDisplays.add(token, hw);
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}
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}
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// make the GLContext current so that we can create textures when creating Layers
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// (which may happens before we render something)
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getDefaultDisplayDevice()->makeCurrent(mEGLDisplay, mEGLContext);
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// start the EventThread
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sp<VSyncSource> vsyncSrc = new DispSyncSource(&mPrimaryDispSync,
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vsyncPhaseOffsetNs, true, "app");
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mEventThread = new EventThread(vsyncSrc);
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sp<VSyncSource> sfVsyncSrc = new DispSyncSource(&mPrimaryDispSync,
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sfVsyncPhaseOffsetNs, true, "sf");
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mSFEventThread = new EventThread(sfVsyncSrc);
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mEventQueue.setEventThread(mSFEventThread);
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mEventControlThread = new EventControlThread(this);
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mEventControlThread->run("EventControl", PRIORITY_URGENT_DISPLAY);
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// set a fake vsync period if there is no HWComposer
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if (mHwc->initCheck() != NO_ERROR) {
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mPrimaryDispSync.setPeriod(16666667);
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}
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// initialize our drawing state
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mDrawingState = mCurrentState;
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// set initial conditions (e.g. unblank default device)
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initializeDisplays();
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// start boot animation
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startBootAnim();
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}
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int32_t SurfaceFlinger::allocateHwcDisplayId(DisplayDevice::DisplayType type) {
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return (uint32_t(type) < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) ?
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type : mHwc->allocateDisplayId();
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}
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void SurfaceFlinger::startBootAnim() {
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// start boot animation
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property_set("service.bootanim.exit", "0");
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property_set("ctl.start", "bootanim");
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}
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size_t SurfaceFlinger::getMaxTextureSize() const {
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return mRenderEngine->getMaxTextureSize();
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}
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size_t SurfaceFlinger::getMaxViewportDims() const {
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return mRenderEngine->getMaxViewportDims();
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}
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// ----------------------------------------------------------------------------
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bool SurfaceFlinger::authenticateSurfaceTexture(
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const sp<IGraphicBufferProducer>& bufferProducer) const {
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Mutex::Autolock _l(mStateLock);
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sp<IBinder> surfaceTextureBinder(bufferProducer->asBinder());
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return mGraphicBufferProducerList.indexOf(surfaceTextureBinder) >= 0;
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}
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status_t SurfaceFlinger::getDisplayConfigs(const sp<IBinder>& display,
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Vector<DisplayInfo>* configs) {
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if (configs == NULL) {
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return BAD_VALUE;
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}
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int32_t type = NAME_NOT_FOUND;
|
|
for (int i=0 ; i<DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES ; i++) {
|
|
if (display == mBuiltinDisplays[i]) {
|
|
type = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (type < 0) {
|
|
return type;
|
|
}
|
|
|
|
// TODO: Not sure if display density should handled by SF any longer
|
|
class Density {
|
|
static int getDensityFromProperty(char const* propName) {
|
|
char property[PROPERTY_VALUE_MAX];
|
|
int density = 0;
|
|
if (property_get(propName, property, NULL) > 0) {
|
|
density = atoi(property);
|
|
}
|
|
return density;
|
|
}
|
|
public:
|
|
static int getEmuDensity() {
|
|
return getDensityFromProperty("qemu.sf.lcd_density"); }
|
|
static int getBuildDensity() {
|
|
return getDensityFromProperty("ro.sf.lcd_density"); }
|
|
};
|
|
|
|
configs->clear();
|
|
|
|
const Vector<HWComposer::DisplayConfig>& hwConfigs =
|
|
getHwComposer().getConfigs(type);
|
|
for (size_t c = 0; c < hwConfigs.size(); ++c) {
|
|
const HWComposer::DisplayConfig& hwConfig = hwConfigs[c];
|
|
DisplayInfo info = DisplayInfo();
|
|
|
|
float xdpi = hwConfig.xdpi;
|
|
float ydpi = hwConfig.ydpi;
|
|
|
|
if (type == DisplayDevice::DISPLAY_PRIMARY) {
|
|
// The density of the device is provided by a build property
|
|
float density = Density::getBuildDensity() / 160.0f;
|
|
if (density == 0) {
|
|
// the build doesn't provide a density -- this is wrong!
|
|
// use xdpi instead
|
|
ALOGE("ro.sf.lcd_density must be defined as a build property");
|
|
density = xdpi / 160.0f;
|
|
}
|
|
if (Density::getEmuDensity()) {
|
|
// if "qemu.sf.lcd_density" is specified, it overrides everything
|
|
xdpi = ydpi = density = Density::getEmuDensity();
|
|
density /= 160.0f;
|
|
}
|
|
info.density = density;
|
|
|
|
// TODO: this needs to go away (currently needed only by webkit)
|
|
sp<const DisplayDevice> hw(getDefaultDisplayDevice());
|
|
info.orientation = hw->getOrientation();
|
|
} else {
|
|
// TODO: where should this value come from?
|
|
static const int TV_DENSITY = 213;
|
|
info.density = TV_DENSITY / 160.0f;
|
|
info.orientation = 0;
|
|
}
|
|
|
|
info.w = hwConfig.width;
|
|
info.h = hwConfig.height;
|
|
info.xdpi = xdpi;
|
|
info.ydpi = ydpi;
|
|
info.fps = float(1e9 / hwConfig.refresh);
|
|
info.appVsyncOffset = VSYNC_EVENT_PHASE_OFFSET_NS;
|
|
|
|
// This is how far in advance a buffer must be queued for
|
|
// presentation at a given time. If you want a buffer to appear
|
|
// on the screen at time N, you must submit the buffer before
|
|
// (N - presentationDeadline).
|
|
//
|
|
// Normally it's one full refresh period (to give SF a chance to
|
|
// latch the buffer), but this can be reduced by configuring a
|
|
// DispSync offset. Any additional delays introduced by the hardware
|
|
// composer or panel must be accounted for here.
|
|
//
|
|
// We add an additional 1ms to allow for processing time and
|
|
// differences between the ideal and actual refresh rate.
|
|
info.presentationDeadline =
|
|
hwConfig.refresh - SF_VSYNC_EVENT_PHASE_OFFSET_NS + 1000000;
|
|
|
|
// All non-virtual displays are currently considered secure.
|
|
info.secure = true;
|
|
|
|
configs->push_back(info);
|
|
}
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t SurfaceFlinger::getDisplayStats(const sp<IBinder>& display,
|
|
DisplayStatInfo* stats) {
|
|
if (stats == NULL) {
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
// FIXME for now we always return stats for the primary display
|
|
memset(stats, 0, sizeof(*stats));
|
|
stats->vsyncTime = mPrimaryDispSync.computeNextRefresh(0);
|
|
stats->vsyncPeriod = mPrimaryDispSync.getPeriod();
|
|
return NO_ERROR;
|
|
}
|
|
|
|
int SurfaceFlinger::getActiveConfig(const sp<IBinder>& display) {
|
|
return getDisplayDevice(display)->getActiveConfig();
|
|
}
|
|
|
|
void SurfaceFlinger::setActiveConfigInternal(const sp<DisplayDevice>& hw, int mode) {
|
|
ALOGD("Set active config mode=%d, type=%d flinger=%p", mode, hw->getDisplayType(),
|
|
this);
|
|
int32_t type = hw->getDisplayType();
|
|
int currentMode = hw->getActiveConfig();
|
|
|
|
if (mode == currentMode) {
|
|
ALOGD("Screen type=%d is already mode=%d", hw->getDisplayType(), mode);
|
|
return;
|
|
}
|
|
|
|
if (type >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
|
|
ALOGW("Trying to set config for virtual display");
|
|
return;
|
|
}
|
|
|
|
hw->setActiveConfig(mode);
|
|
getHwComposer().setActiveConfig(type, mode);
|
|
}
|
|
|
|
status_t SurfaceFlinger::setActiveConfig(const sp<IBinder>& display, int mode) {
|
|
class MessageSetActiveConfig: public MessageBase {
|
|
SurfaceFlinger& mFlinger;
|
|
sp<IBinder> mDisplay;
|
|
int mMode;
|
|
public:
|
|
MessageSetActiveConfig(SurfaceFlinger& flinger, const sp<IBinder>& disp,
|
|
int mode) :
|
|
mFlinger(flinger), mDisplay(disp) { mMode = mode; }
|
|
virtual bool handler() {
|
|
Vector<DisplayInfo> configs;
|
|
mFlinger.getDisplayConfigs(mDisplay, &configs);
|
|
if(mMode < 0 || mMode >= configs.size()) {
|
|
ALOGE("Attempt to set active config = %d for display with %zu configs",
|
|
mMode, configs.size());
|
|
}
|
|
sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
|
|
if (hw == NULL) {
|
|
ALOGE("Attempt to set active config = %d for null display %p",
|
|
mMode, mDisplay.get());
|
|
} else if (hw->getDisplayType() >= DisplayDevice::DISPLAY_VIRTUAL) {
|
|
ALOGW("Attempt to set active config = %d for virtual display",
|
|
mMode);
|
|
} else {
|
|
mFlinger.setActiveConfigInternal(hw, mMode);
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
sp<MessageBase> msg = new MessageSetActiveConfig(*this, display, mode);
|
|
postMessageSync(msg);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t SurfaceFlinger::clearAnimationFrameStats() {
|
|
Mutex::Autolock _l(mStateLock);
|
|
mAnimFrameTracker.clearStats();
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t SurfaceFlinger::getAnimationFrameStats(FrameStats* outStats) const {
|
|
Mutex::Autolock _l(mStateLock);
|
|
mAnimFrameTracker.getStats(outStats);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection() {
|
|
return mEventThread->createEventConnection();
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void SurfaceFlinger::waitForEvent() {
|
|
mEventQueue.waitMessage();
|
|
}
|
|
|
|
void SurfaceFlinger::signalTransaction() {
|
|
mEventQueue.invalidate();
|
|
}
|
|
|
|
void SurfaceFlinger::signalLayerUpdate() {
|
|
mEventQueue.invalidate();
|
|
}
|
|
|
|
void SurfaceFlinger::signalRefresh() {
|
|
mEventQueue.refresh();
|
|
}
|
|
|
|
status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
|
|
nsecs_t reltime, uint32_t /* flags */) {
|
|
return mEventQueue.postMessage(msg, reltime);
|
|
}
|
|
|
|
status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
|
|
nsecs_t reltime, uint32_t /* flags */) {
|
|
status_t res = mEventQueue.postMessage(msg, reltime);
|
|
if (res == NO_ERROR) {
|
|
msg->wait();
|
|
}
|
|
return res;
|
|
}
|
|
|
|
void SurfaceFlinger::run() {
|
|
do {
|
|
waitForEvent();
|
|
} while (true);
|
|
}
|
|
|
|
void SurfaceFlinger::enableHardwareVsync() {
|
|
Mutex::Autolock _l(mHWVsyncLock);
|
|
if (!mPrimaryHWVsyncEnabled && mHWVsyncAvailable) {
|
|
mPrimaryDispSync.beginResync();
|
|
//eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, true);
|
|
mEventControlThread->setVsyncEnabled(true);
|
|
mPrimaryHWVsyncEnabled = true;
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::resyncToHardwareVsync(bool makeAvailable) {
|
|
Mutex::Autolock _l(mHWVsyncLock);
|
|
|
|
if (makeAvailable) {
|
|
mHWVsyncAvailable = true;
|
|
} else if (!mHWVsyncAvailable) {
|
|
ALOGE("resyncToHardwareVsync called when HW vsync unavailable");
|
|
return;
|
|
}
|
|
|
|
const nsecs_t period =
|
|
getHwComposer().getRefreshPeriod(HWC_DISPLAY_PRIMARY);
|
|
|
|
mPrimaryDispSync.reset();
|
|
mPrimaryDispSync.setPeriod(period);
|
|
|
|
if (!mPrimaryHWVsyncEnabled) {
|
|
mPrimaryDispSync.beginResync();
|
|
//eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, true);
|
|
mEventControlThread->setVsyncEnabled(true);
|
|
mPrimaryHWVsyncEnabled = true;
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::disableHardwareVsync(bool makeUnavailable) {
|
|
Mutex::Autolock _l(mHWVsyncLock);
|
|
if (mPrimaryHWVsyncEnabled) {
|
|
//eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, false);
|
|
mEventControlThread->setVsyncEnabled(false);
|
|
mPrimaryDispSync.endResync();
|
|
mPrimaryHWVsyncEnabled = false;
|
|
}
|
|
if (makeUnavailable) {
|
|
mHWVsyncAvailable = false;
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::onVSyncReceived(int type, nsecs_t timestamp) {
|
|
bool needsHwVsync = false;
|
|
|
|
{ // Scope for the lock
|
|
Mutex::Autolock _l(mHWVsyncLock);
|
|
if (type == 0 && mPrimaryHWVsyncEnabled) {
|
|
needsHwVsync = mPrimaryDispSync.addResyncSample(timestamp);
|
|
}
|
|
}
|
|
|
|
if (needsHwVsync) {
|
|
enableHardwareVsync();
|
|
} else {
|
|
disableHardwareVsync(false);
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::onHotplugReceived(int type, bool connected) {
|
|
if (mEventThread == NULL) {
|
|
// This is a temporary workaround for b/7145521. A non-null pointer
|
|
// does not mean EventThread has finished initializing, so this
|
|
// is not a correct fix.
|
|
ALOGW("WARNING: EventThread not started, ignoring hotplug");
|
|
return;
|
|
}
|
|
|
|
if (uint32_t(type) < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
|
|
Mutex::Autolock _l(mStateLock);
|
|
if (connected) {
|
|
createBuiltinDisplayLocked((DisplayDevice::DisplayType)type);
|
|
} else {
|
|
mCurrentState.displays.removeItem(mBuiltinDisplays[type]);
|
|
mBuiltinDisplays[type].clear();
|
|
}
|
|
setTransactionFlags(eDisplayTransactionNeeded);
|
|
|
|
// Defer EventThread notification until SF has updated mDisplays.
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::eventControl(int disp, int event, int enabled) {
|
|
ATRACE_CALL();
|
|
getHwComposer().eventControl(disp, event, enabled);
|
|
}
|
|
|
|
void SurfaceFlinger::onMessageReceived(int32_t what) {
|
|
ATRACE_CALL();
|
|
switch (what) {
|
|
case MessageQueue::TRANSACTION:
|
|
handleMessageTransaction();
|
|
break;
|
|
case MessageQueue::INVALIDATE:
|
|
handleMessageTransaction();
|
|
handleMessageInvalidate();
|
|
signalRefresh();
|
|
break;
|
|
case MessageQueue::REFRESH:
|
|
handleMessageRefresh();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::handleMessageTransaction() {
|
|
uint32_t transactionFlags = peekTransactionFlags(eTransactionMask);
|
|
if (transactionFlags) {
|
|
handleTransaction(transactionFlags);
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::handleMessageInvalidate() {
|
|
ATRACE_CALL();
|
|
handlePageFlip();
|
|
}
|
|
|
|
void SurfaceFlinger::handleMessageRefresh() {
|
|
ATRACE_CALL();
|
|
preComposition();
|
|
rebuildLayerStacks();
|
|
setUpHWComposer();
|
|
doDebugFlashRegions();
|
|
doComposition();
|
|
postComposition();
|
|
}
|
|
|
|
void SurfaceFlinger::doDebugFlashRegions()
|
|
{
|
|
// is debugging enabled
|
|
if (CC_LIKELY(!mDebugRegion))
|
|
return;
|
|
|
|
const bool repaintEverything = mRepaintEverything;
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
const sp<DisplayDevice>& hw(mDisplays[dpy]);
|
|
if (hw->isDisplayOn()) {
|
|
// transform the dirty region into this screen's coordinate space
|
|
const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
|
|
if (!dirtyRegion.isEmpty()) {
|
|
// redraw the whole screen
|
|
doComposeSurfaces(hw, Region(hw->bounds()));
|
|
|
|
// and draw the dirty region
|
|
const int32_t height = hw->getHeight();
|
|
RenderEngine& engine(getRenderEngine());
|
|
engine.fillRegionWithColor(dirtyRegion, height, 1, 0, 1, 1);
|
|
|
|
hw->compositionComplete();
|
|
hw->swapBuffers(getHwComposer());
|
|
}
|
|
}
|
|
}
|
|
|
|
postFramebuffer();
|
|
|
|
if (mDebugRegion > 1) {
|
|
usleep(mDebugRegion * 1000);
|
|
}
|
|
|
|
HWComposer& hwc(getHwComposer());
|
|
if (hwc.initCheck() == NO_ERROR) {
|
|
status_t err = hwc.prepare();
|
|
ALOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err));
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::preComposition()
|
|
{
|
|
bool needExtraInvalidate = false;
|
|
const LayerVector& layers(mDrawingState.layersSortedByZ);
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
if (layers[i]->onPreComposition()) {
|
|
needExtraInvalidate = true;
|
|
}
|
|
}
|
|
if (needExtraInvalidate) {
|
|
signalLayerUpdate();
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::postComposition()
|
|
{
|
|
const LayerVector& layers(mDrawingState.layersSortedByZ);
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
layers[i]->onPostComposition();
|
|
}
|
|
|
|
const HWComposer& hwc = getHwComposer();
|
|
sp<Fence> presentFence = hwc.getDisplayFence(HWC_DISPLAY_PRIMARY);
|
|
|
|
if (presentFence->isValid()) {
|
|
if (mPrimaryDispSync.addPresentFence(presentFence)) {
|
|
enableHardwareVsync();
|
|
} else {
|
|
disableHardwareVsync(false);
|
|
}
|
|
}
|
|
|
|
if (kIgnorePresentFences) {
|
|
const sp<const DisplayDevice> hw(getDefaultDisplayDevice());
|
|
if (hw->isDisplayOn()) {
|
|
enableHardwareVsync();
|
|
}
|
|
}
|
|
|
|
if (mAnimCompositionPending) {
|
|
mAnimCompositionPending = false;
|
|
|
|
if (presentFence->isValid()) {
|
|
mAnimFrameTracker.setActualPresentFence(presentFence);
|
|
} else {
|
|
// The HWC doesn't support present fences, so use the refresh
|
|
// timestamp instead.
|
|
nsecs_t presentTime = hwc.getRefreshTimestamp(HWC_DISPLAY_PRIMARY);
|
|
mAnimFrameTracker.setActualPresentTime(presentTime);
|
|
}
|
|
mAnimFrameTracker.advanceFrame();
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::rebuildLayerStacks() {
|
|
// rebuild the visible layer list per screen
|
|
if (CC_UNLIKELY(mVisibleRegionsDirty)) {
|
|
ATRACE_CALL();
|
|
mVisibleRegionsDirty = false;
|
|
invalidateHwcGeometry();
|
|
|
|
const LayerVector& layers(mDrawingState.layersSortedByZ);
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
Region opaqueRegion;
|
|
Region dirtyRegion;
|
|
Vector< sp<Layer> > layersSortedByZ;
|
|
const sp<DisplayDevice>& hw(mDisplays[dpy]);
|
|
const Transform& tr(hw->getTransform());
|
|
const Rect bounds(hw->getBounds());
|
|
if (hw->isDisplayOn()) {
|
|
SurfaceFlinger::computeVisibleRegions(layers,
|
|
hw->getLayerStack(), dirtyRegion, opaqueRegion);
|
|
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<Layer>& layer(layers[i]);
|
|
const Layer::State& s(layer->getDrawingState());
|
|
if (s.layerStack == hw->getLayerStack()) {
|
|
Region drawRegion(tr.transform(
|
|
layer->visibleNonTransparentRegion));
|
|
drawRegion.andSelf(bounds);
|
|
if (!drawRegion.isEmpty()) {
|
|
layersSortedByZ.add(layer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
hw->setVisibleLayersSortedByZ(layersSortedByZ);
|
|
hw->undefinedRegion.set(bounds);
|
|
hw->undefinedRegion.subtractSelf(tr.transform(opaqueRegion));
|
|
hw->dirtyRegion.orSelf(dirtyRegion);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::setUpHWComposer() {
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
bool dirty = !mDisplays[dpy]->getDirtyRegion(false).isEmpty();
|
|
bool empty = mDisplays[dpy]->getVisibleLayersSortedByZ().size() == 0;
|
|
bool wasEmpty = !mDisplays[dpy]->lastCompositionHadVisibleLayers;
|
|
|
|
// If nothing has changed (!dirty), don't recompose.
|
|
// If something changed, but we don't currently have any visible layers,
|
|
// and didn't when we last did a composition, then skip it this time.
|
|
// The second rule does two things:
|
|
// - When all layers are removed from a display, we'll emit one black
|
|
// frame, then nothing more until we get new layers.
|
|
// - When a display is created with a private layer stack, we won't
|
|
// emit any black frames until a layer is added to the layer stack.
|
|
bool mustRecompose = dirty && !(empty && wasEmpty);
|
|
|
|
ALOGV_IF(mDisplays[dpy]->getDisplayType() == DisplayDevice::DISPLAY_VIRTUAL,
|
|
"dpy[%zu]: %s composition (%sdirty %sempty %swasEmpty)", dpy,
|
|
mustRecompose ? "doing" : "skipping",
|
|
dirty ? "+" : "-",
|
|
empty ? "+" : "-",
|
|
wasEmpty ? "+" : "-");
|
|
|
|
mDisplays[dpy]->beginFrame(mustRecompose);
|
|
|
|
if (mustRecompose) {
|
|
mDisplays[dpy]->lastCompositionHadVisibleLayers = !empty;
|
|
}
|
|
}
|
|
|
|
HWComposer& hwc(getHwComposer());
|
|
if (hwc.initCheck() == NO_ERROR) {
|
|
// build the h/w work list
|
|
if (CC_UNLIKELY(mHwWorkListDirty)) {
|
|
mHwWorkListDirty = false;
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
const int32_t id = hw->getHwcDisplayId();
|
|
if (id >= 0) {
|
|
const Vector< sp<Layer> >& currentLayers(
|
|
hw->getVisibleLayersSortedByZ());
|
|
const size_t count = currentLayers.size();
|
|
if (hwc.createWorkList(id, count) == NO_ERROR) {
|
|
HWComposer::LayerListIterator cur = hwc.begin(id);
|
|
const HWComposer::LayerListIterator end = hwc.end(id);
|
|
for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
layer->setGeometry(hw, *cur);
|
|
if (mDebugDisableHWC || mDebugRegion || mDaltonize || mHasColorMatrix) {
|
|
cur->setSkip(true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// set the per-frame data
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
const int32_t id = hw->getHwcDisplayId();
|
|
if (id >= 0) {
|
|
const Vector< sp<Layer> >& currentLayers(
|
|
hw->getVisibleLayersSortedByZ());
|
|
const size_t count = currentLayers.size();
|
|
HWComposer::LayerListIterator cur = hwc.begin(id);
|
|
const HWComposer::LayerListIterator end = hwc.end(id);
|
|
for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
|
|
/*
|
|
* update the per-frame h/w composer data for each layer
|
|
* and build the transparent region of the FB
|
|
*/
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
layer->setPerFrameData(hw, *cur);
|
|
}
|
|
}
|
|
}
|
|
|
|
// If possible, attempt to use the cursor overlay on each display.
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
const int32_t id = hw->getHwcDisplayId();
|
|
if (id >= 0) {
|
|
const Vector< sp<Layer> >& currentLayers(
|
|
hw->getVisibleLayersSortedByZ());
|
|
const size_t count = currentLayers.size();
|
|
HWComposer::LayerListIterator cur = hwc.begin(id);
|
|
const HWComposer::LayerListIterator end = hwc.end(id);
|
|
for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
if (layer->isPotentialCursor()) {
|
|
cur->setIsCursorLayerHint();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
status_t err = hwc.prepare();
|
|
ALOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err));
|
|
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
hw->prepareFrame(hwc);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::doComposition() {
|
|
ATRACE_CALL();
|
|
const bool repaintEverything = android_atomic_and(0, &mRepaintEverything);
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
const sp<DisplayDevice>& hw(mDisplays[dpy]);
|
|
if (hw->isDisplayOn()) {
|
|
// transform the dirty region into this screen's coordinate space
|
|
const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
|
|
|
|
// repaint the framebuffer (if needed)
|
|
doDisplayComposition(hw, dirtyRegion);
|
|
|
|
hw->dirtyRegion.clear();
|
|
hw->flip(hw->swapRegion);
|
|
hw->swapRegion.clear();
|
|
}
|
|
// inform the h/w that we're done compositing
|
|
hw->compositionComplete();
|
|
}
|
|
postFramebuffer();
|
|
}
|
|
|
|
void SurfaceFlinger::postFramebuffer()
|
|
{
|
|
ATRACE_CALL();
|
|
|
|
const nsecs_t now = systemTime();
|
|
mDebugInSwapBuffers = now;
|
|
|
|
HWComposer& hwc(getHwComposer());
|
|
if (hwc.initCheck() == NO_ERROR) {
|
|
if (!hwc.supportsFramebufferTarget()) {
|
|
// EGL spec says:
|
|
// "surface must be bound to the calling thread's current context,
|
|
// for the current rendering API."
|
|
getDefaultDisplayDevice()->makeCurrent(mEGLDisplay, mEGLContext);
|
|
}
|
|
hwc.commit();
|
|
}
|
|
|
|
// make the default display current because the VirtualDisplayDevice code cannot
|
|
// deal with dequeueBuffer() being called outside of the composition loop; however
|
|
// the code below can call glFlush() which is allowed (and does in some case) call
|
|
// dequeueBuffer().
|
|
getDefaultDisplayDevice()->makeCurrent(mEGLDisplay, mEGLContext);
|
|
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
const Vector< sp<Layer> >& currentLayers(hw->getVisibleLayersSortedByZ());
|
|
hw->onSwapBuffersCompleted(hwc);
|
|
const size_t count = currentLayers.size();
|
|
int32_t id = hw->getHwcDisplayId();
|
|
if (id >=0 && hwc.initCheck() == NO_ERROR) {
|
|
HWComposer::LayerListIterator cur = hwc.begin(id);
|
|
const HWComposer::LayerListIterator end = hwc.end(id);
|
|
for (size_t i = 0; cur != end && i < count; ++i, ++cur) {
|
|
currentLayers[i]->onLayerDisplayed(hw, &*cur);
|
|
}
|
|
} else {
|
|
for (size_t i = 0; i < count; i++) {
|
|
currentLayers[i]->onLayerDisplayed(hw, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
mLastSwapBufferTime = systemTime() - now;
|
|
mDebugInSwapBuffers = 0;
|
|
|
|
uint32_t flipCount = getDefaultDisplayDevice()->getPageFlipCount();
|
|
if (flipCount % LOG_FRAME_STATS_PERIOD == 0) {
|
|
logFrameStats();
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
|
|
{
|
|
ATRACE_CALL();
|
|
|
|
// here we keep a copy of the drawing state (that is the state that's
|
|
// going to be overwritten by handleTransactionLocked()) outside of
|
|
// mStateLock so that the side-effects of the State assignment
|
|
// don't happen with mStateLock held (which can cause deadlocks).
|
|
State drawingState(mDrawingState);
|
|
|
|
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.
|
|
|
|
transactionFlags = getTransactionFlags(eTransactionMask);
|
|
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)
|
|
*/
|
|
|
|
if (transactionFlags & eTraversalNeeded) {
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<Layer>& 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 display own transactions if needed
|
|
*/
|
|
|
|
if (transactionFlags & eDisplayTransactionNeeded) {
|
|
// here we take advantage of Vector's copy-on-write semantics to
|
|
// improve performance by skipping the transaction entirely when
|
|
// know that the lists are identical
|
|
const KeyedVector< wp<IBinder>, DisplayDeviceState>& curr(mCurrentState.displays);
|
|
const KeyedVector< wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
|
|
if (!curr.isIdenticalTo(draw)) {
|
|
mVisibleRegionsDirty = true;
|
|
const size_t cc = curr.size();
|
|
size_t dc = draw.size();
|
|
|
|
// find the displays that were removed
|
|
// (ie: in drawing state but not in current state)
|
|
// also handle displays that changed
|
|
// (ie: displays that are in both lists)
|
|
for (size_t i=0 ; i<dc ; i++) {
|
|
const ssize_t j = curr.indexOfKey(draw.keyAt(i));
|
|
if (j < 0) {
|
|
// in drawing state but not in current state
|
|
if (!draw[i].isMainDisplay()) {
|
|
// Call makeCurrent() on the primary display so we can
|
|
// be sure that nothing associated with this display
|
|
// is current.
|
|
const sp<const DisplayDevice> defaultDisplay(getDefaultDisplayDevice());
|
|
defaultDisplay->makeCurrent(mEGLDisplay, mEGLContext);
|
|
sp<DisplayDevice> hw(getDisplayDevice(draw.keyAt(i)));
|
|
if (hw != NULL)
|
|
hw->disconnect(getHwComposer());
|
|
if (draw[i].type < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES)
|
|
mEventThread->onHotplugReceived(draw[i].type, false);
|
|
mDisplays.removeItem(draw.keyAt(i));
|
|
} else {
|
|
ALOGW("trying to remove the main display");
|
|
}
|
|
} else {
|
|
// this display is in both lists. see if something changed.
|
|
const DisplayDeviceState& state(curr[j]);
|
|
const wp<IBinder>& display(curr.keyAt(j));
|
|
if (state.surface->asBinder() != draw[i].surface->asBinder()) {
|
|
// changing the surface is like destroying and
|
|
// recreating the DisplayDevice, so we just remove it
|
|
// from the drawing state, so that it get re-added
|
|
// below.
|
|
sp<DisplayDevice> hw(getDisplayDevice(display));
|
|
if (hw != NULL)
|
|
hw->disconnect(getHwComposer());
|
|
mDisplays.removeItem(display);
|
|
mDrawingState.displays.removeItemsAt(i);
|
|
dc--; i--;
|
|
// at this point we must loop to the next item
|
|
continue;
|
|
}
|
|
|
|
const sp<DisplayDevice> disp(getDisplayDevice(display));
|
|
if (disp != NULL) {
|
|
if (state.layerStack != draw[i].layerStack) {
|
|
disp->setLayerStack(state.layerStack);
|
|
}
|
|
if ((state.orientation != draw[i].orientation)
|
|
|| (state.viewport != draw[i].viewport)
|
|
|| (state.frame != draw[i].frame))
|
|
{
|
|
disp->setProjection(state.orientation,
|
|
state.viewport, state.frame);
|
|
}
|
|
if (state.width != draw[i].width || state.height != draw[i].height) {
|
|
disp->setDisplaySize(state.width, state.height);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// find displays that were added
|
|
// (ie: in current state but not in drawing state)
|
|
for (size_t i=0 ; i<cc ; i++) {
|
|
if (draw.indexOfKey(curr.keyAt(i)) < 0) {
|
|
const DisplayDeviceState& state(curr[i]);
|
|
|
|
sp<DisplaySurface> dispSurface;
|
|
sp<IGraphicBufferProducer> producer;
|
|
sp<IGraphicBufferProducer> bqProducer;
|
|
sp<IGraphicBufferConsumer> bqConsumer;
|
|
BufferQueue::createBufferQueue(&bqProducer, &bqConsumer,
|
|
new GraphicBufferAlloc());
|
|
|
|
int32_t hwcDisplayId = -1;
|
|
if (state.isVirtualDisplay()) {
|
|
// Virtual displays without a surface are dormant:
|
|
// they have external state (layer stack, projection,
|
|
// etc.) but no internal state (i.e. a DisplayDevice).
|
|
if (state.surface != NULL) {
|
|
|
|
hwcDisplayId = allocateHwcDisplayId(state.type);
|
|
sp<VirtualDisplaySurface> vds = new VirtualDisplaySurface(
|
|
*mHwc, hwcDisplayId, state.surface,
|
|
bqProducer, bqConsumer, state.displayName);
|
|
|
|
dispSurface = vds;
|
|
producer = vds;
|
|
}
|
|
} else {
|
|
ALOGE_IF(state.surface!=NULL,
|
|
"adding a supported display, but rendering "
|
|
"surface is provided (%p), ignoring it",
|
|
state.surface.get());
|
|
hwcDisplayId = allocateHwcDisplayId(state.type);
|
|
// for supported (by hwc) displays we provide our
|
|
// own rendering surface
|
|
dispSurface = new FramebufferSurface(*mHwc, state.type,
|
|
bqConsumer);
|
|
producer = bqProducer;
|
|
}
|
|
|
|
const wp<IBinder>& display(curr.keyAt(i));
|
|
if (dispSurface != NULL) {
|
|
sp<DisplayDevice> hw = new DisplayDevice(this,
|
|
state.type, hwcDisplayId,
|
|
mHwc->getFormat(hwcDisplayId), state.isSecure,
|
|
display, dispSurface, producer,
|
|
mRenderEngine->getEGLConfig());
|
|
hw->setLayerStack(state.layerStack);
|
|
hw->setProjection(state.orientation,
|
|
state.viewport, state.frame);
|
|
hw->setDisplayName(state.displayName);
|
|
mDisplays.add(display, hw);
|
|
if (state.isVirtualDisplay()) {
|
|
if (hwcDisplayId >= 0) {
|
|
mHwc->setVirtualDisplayProperties(hwcDisplayId,
|
|
hw->getWidth(), hw->getHeight(),
|
|
hw->getFormat());
|
|
}
|
|
} else {
|
|
mEventThread->onHotplugReceived(state.type, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (transactionFlags & (eTraversalNeeded|eDisplayTransactionNeeded)) {
|
|
// The transform hint might have changed for some layers
|
|
// (either because a display has changed, or because a layer
|
|
// as changed).
|
|
//
|
|
// Walk through all the layers in currentLayers,
|
|
// and update their transform hint.
|
|
//
|
|
// If a layer is visible only on a single display, then that
|
|
// display is used to calculate the hint, otherwise we use the
|
|
// default display.
|
|
//
|
|
// NOTE: we do this here, rather than in rebuildLayerStacks() so that
|
|
// the hint is set before we acquire a buffer from the surface texture.
|
|
//
|
|
// NOTE: layer transactions have taken place already, so we use their
|
|
// drawing state. However, SurfaceFlinger's own transaction has not
|
|
// happened yet, so we must use the current state layer list
|
|
// (soon to become the drawing state list).
|
|
//
|
|
sp<const DisplayDevice> disp;
|
|
uint32_t currentlayerStack = 0;
|
|
for (size_t i=0; i<count; i++) {
|
|
// NOTE: we rely on the fact that layers are sorted by
|
|
// layerStack first (so we don't have to traverse the list
|
|
// of displays for every layer).
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
uint32_t layerStack = layer->getDrawingState().layerStack;
|
|
if (i==0 || currentlayerStack != layerStack) {
|
|
currentlayerStack = layerStack;
|
|
// figure out if this layerstack is mirrored
|
|
// (more than one display) if so, pick the default display,
|
|
// if not, pick the only display it's on.
|
|
disp.clear();
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
if (hw->getLayerStack() == currentlayerStack) {
|
|
if (disp == NULL) {
|
|
disp = hw;
|
|
} else {
|
|
disp = NULL;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (disp == NULL) {
|
|
// NOTE: TEMPORARY FIX ONLY. Real fix should cause layers to
|
|
// redraw after transform hint changes. See bug 8508397.
|
|
|
|
// could be null when this layer is using a layerStack
|
|
// that is not visible on any display. Also can occur at
|
|
// screen off/on times.
|
|
disp = getDefaultDisplayDevice();
|
|
}
|
|
layer->updateTransformHint(disp);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Perform our own transaction if needed
|
|
*/
|
|
|
|
const LayerVector& layers(mDrawingState.layersSortedByZ);
|
|
if (currentLayers.size() > layers.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 size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<Layer>& layer(layers[i]);
|
|
if (currentLayers.indexOf(layer) < 0) {
|
|
// this layer is not visible anymore
|
|
// TODO: we could traverse the tree from front to back and
|
|
// compute the actual visible region
|
|
// TODO: we could cache the transformed region
|
|
const Layer::State& s(layer->getDrawingState());
|
|
Region visibleReg = s.transform.transform(
|
|
Region(Rect(s.active.w, s.active.h)));
|
|
invalidateLayerStack(s.layerStack, visibleReg);
|
|
}
|
|
}
|
|
}
|
|
|
|
commitTransaction();
|
|
|
|
updateCursorAsync();
|
|
}
|
|
|
|
void SurfaceFlinger::updateCursorAsync()
|
|
{
|
|
HWComposer& hwc(getHwComposer());
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
const int32_t id = hw->getHwcDisplayId();
|
|
if (id < 0) {
|
|
continue;
|
|
}
|
|
const Vector< sp<Layer> >& currentLayers(
|
|
hw->getVisibleLayersSortedByZ());
|
|
const size_t count = currentLayers.size();
|
|
HWComposer::LayerListIterator cur = hwc.begin(id);
|
|
const HWComposer::LayerListIterator end = hwc.end(id);
|
|
for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
|
|
if (cur->getCompositionType() != HWC_CURSOR_OVERLAY) {
|
|
continue;
|
|
}
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
Rect cursorPos = layer->getPosition(hw);
|
|
hwc.setCursorPositionAsync(id, cursorPos);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::commitTransaction()
|
|
{
|
|
if (!mLayersPendingRemoval.isEmpty()) {
|
|
// Notify removed layers now that they can't be drawn from
|
|
for (size_t i = 0; i < mLayersPendingRemoval.size(); i++) {
|
|
mLayersPendingRemoval[i]->onRemoved();
|
|
}
|
|
mLayersPendingRemoval.clear();
|
|
}
|
|
|
|
// If this transaction is part of a window animation then the next frame
|
|
// we composite should be considered an animation as well.
|
|
mAnimCompositionPending = mAnimTransactionPending;
|
|
|
|
mDrawingState = mCurrentState;
|
|
mTransactionPending = false;
|
|
mAnimTransactionPending = false;
|
|
mTransactionCV.broadcast();
|
|
}
|
|
|
|
void SurfaceFlinger::computeVisibleRegions(
|
|
const LayerVector& currentLayers, uint32_t layerStack,
|
|
Region& outDirtyRegion, Region& outOpaqueRegion)
|
|
{
|
|
ATRACE_CALL();
|
|
|
|
Region aboveOpaqueLayers;
|
|
Region aboveCoveredLayers;
|
|
Region dirty;
|
|
|
|
outDirtyRegion.clear();
|
|
|
|
size_t i = currentLayers.size();
|
|
while (i--) {
|
|
const sp<Layer>& layer = currentLayers[i];
|
|
|
|
// start with the whole surface at its current location
|
|
const Layer::State& s(layer->getDrawingState());
|
|
|
|
// only consider the layers on the given layer stack
|
|
if (s.layerStack != layerStack)
|
|
continue;
|
|
|
|
/*
|
|
* 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;
|
|
|
|
/*
|
|
* transparentRegion: area of a surface that is hinted to be completely
|
|
* transparent. This is only used to tell when the layer has no visible
|
|
* non-transparent regions and can be removed from the layer list. It
|
|
* does not affect the visibleRegion of this layer or any layers
|
|
* beneath it. The hint may not be correct if apps don't respect the
|
|
* SurfaceView restrictions (which, sadly, some don't).
|
|
*/
|
|
Region transparentRegion;
|
|
|
|
|
|
// handle hidden surfaces by setting the visible region to empty
|
|
if (CC_LIKELY(layer->isVisible())) {
|
|
const bool translucent = !layer->isOpaque(s);
|
|
Rect bounds(s.transform.transform(layer->computeBounds()));
|
|
visibleRegion.set(bounds);
|
|
if (!visibleRegion.isEmpty()) {
|
|
// Remove the transparent area from the visible region
|
|
if (translucent) {
|
|
const Transform tr(s.transform);
|
|
if (tr.transformed()) {
|
|
if (tr.preserveRects()) {
|
|
// transform the transparent region
|
|
transparentRegion = tr.transform(s.activeTransparentRegion);
|
|
} else {
|
|
// transformation too complex, can't do the
|
|
// transparent region optimization.
|
|
transparentRegion.clear();
|
|
}
|
|
} else {
|
|
transparentRegion = s.activeTransparentRegion;
|
|
}
|
|
}
|
|
|
|
// compute the opaque region
|
|
const int32_t layerOrientation = s.transform.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->visibleRegion);
|
|
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->visibleRegion;
|
|
const Region oldCoveredRegion = layer->coveredRegion;
|
|
const Region oldExposed = oldVisibleRegion - oldCoveredRegion;
|
|
dirty = (visibleRegion&oldCoveredRegion) | (newExposed-oldExposed);
|
|
}
|
|
dirty.subtractSelf(aboveOpaqueLayers);
|
|
|
|
// accumulate to the screen dirty region
|
|
outDirtyRegion.orSelf(dirty);
|
|
|
|
// Update aboveOpaqueLayers for next (lower) layer
|
|
aboveOpaqueLayers.orSelf(opaqueRegion);
|
|
|
|
// Store the visible region in screen space
|
|
layer->setVisibleRegion(visibleRegion);
|
|
layer->setCoveredRegion(coveredRegion);
|
|
layer->setVisibleNonTransparentRegion(
|
|
visibleRegion.subtract(transparentRegion));
|
|
}
|
|
|
|
outOpaqueRegion = aboveOpaqueLayers;
|
|
}
|
|
|
|
void SurfaceFlinger::invalidateLayerStack(uint32_t layerStack,
|
|
const Region& dirty) {
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
const sp<DisplayDevice>& hw(mDisplays[dpy]);
|
|
if (hw->getLayerStack() == layerStack) {
|
|
hw->dirtyRegion.orSelf(dirty);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::handlePageFlip()
|
|
{
|
|
Region dirtyRegion;
|
|
|
|
bool visibleRegions = false;
|
|
const LayerVector& layers(mDrawingState.layersSortedByZ);
|
|
|
|
// Store the set of layers that need updates. This set must not change as
|
|
// buffers are being latched, as this could result in a deadlock.
|
|
// Example: Two producers share the same command stream and:
|
|
// 1.) Layer 0 is latched
|
|
// 2.) Layer 0 gets a new frame
|
|
// 2.) Layer 1 gets a new frame
|
|
// 3.) Layer 1 is latched.
|
|
// Display is now waiting on Layer 1's frame, which is behind layer 0's
|
|
// second frame. But layer 0's second frame could be waiting on display.
|
|
Vector<Layer*> layersWithQueuedFrames;
|
|
for (size_t i = 0, count = layers.size(); i<count ; i++) {
|
|
const sp<Layer>& layer(layers[i]);
|
|
if (layer->hasQueuedFrame())
|
|
layersWithQueuedFrames.push_back(layer.get());
|
|
}
|
|
for (size_t i = 0, count = layersWithQueuedFrames.size() ; i<count ; i++) {
|
|
Layer* layer = layersWithQueuedFrames[i];
|
|
const Region dirty(layer->latchBuffer(visibleRegions));
|
|
const Layer::State& s(layer->getDrawingState());
|
|
invalidateLayerStack(s.layerStack, dirty);
|
|
}
|
|
|
|
mVisibleRegionsDirty |= visibleRegions;
|
|
}
|
|
|
|
void SurfaceFlinger::invalidateHwcGeometry()
|
|
{
|
|
mHwWorkListDirty = true;
|
|
}
|
|
|
|
|
|
void SurfaceFlinger::doDisplayComposition(const sp<const DisplayDevice>& hw,
|
|
const Region& inDirtyRegion)
|
|
{
|
|
// We only need to actually compose the display if:
|
|
// 1) It is being handled by hardware composer, which may need this to
|
|
// keep its virtual display state machine in sync, or
|
|
// 2) There is work to be done (the dirty region isn't empty)
|
|
bool isHwcDisplay = hw->getHwcDisplayId() >= 0;
|
|
if (!isHwcDisplay && inDirtyRegion.isEmpty()) {
|
|
return;
|
|
}
|
|
|
|
Region dirtyRegion(inDirtyRegion);
|
|
|
|
// compute the invalid region
|
|
hw->swapRegion.orSelf(dirtyRegion);
|
|
|
|
uint32_t flags = hw->getFlags();
|
|
if (flags & DisplayDevice::SWAP_RECTANGLE) {
|
|
// 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
|
|
dirtyRegion.set(hw->swapRegion.bounds());
|
|
} else {
|
|
if (flags & DisplayDevice::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 DisplayDevice::flip())
|
|
dirtyRegion.set(hw->swapRegion.bounds());
|
|
} else {
|
|
// we need to redraw everything (the whole screen)
|
|
dirtyRegion.set(hw->bounds());
|
|
hw->swapRegion = dirtyRegion;
|
|
}
|
|
}
|
|
|
|
if (CC_LIKELY(!mDaltonize && !mHasColorMatrix)) {
|
|
if (!doComposeSurfaces(hw, dirtyRegion)) return;
|
|
} else {
|
|
RenderEngine& engine(getRenderEngine());
|
|
mat4 colorMatrix = mColorMatrix;
|
|
if (mDaltonize) {
|
|
colorMatrix = colorMatrix * mDaltonizer();
|
|
}
|
|
engine.beginGroup(colorMatrix);
|
|
doComposeSurfaces(hw, dirtyRegion);
|
|
engine.endGroup();
|
|
}
|
|
|
|
// update the swap region and clear the dirty region
|
|
hw->swapRegion.orSelf(dirtyRegion);
|
|
|
|
// swap buffers (presentation)
|
|
hw->swapBuffers(getHwComposer());
|
|
}
|
|
|
|
bool SurfaceFlinger::doComposeSurfaces(const sp<const DisplayDevice>& hw, const Region& dirty)
|
|
{
|
|
RenderEngine& engine(getRenderEngine());
|
|
const int32_t id = hw->getHwcDisplayId();
|
|
HWComposer& hwc(getHwComposer());
|
|
HWComposer::LayerListIterator cur = hwc.begin(id);
|
|
const HWComposer::LayerListIterator end = hwc.end(id);
|
|
|
|
bool hasGlesComposition = hwc.hasGlesComposition(id);
|
|
if (hasGlesComposition) {
|
|
if (!hw->makeCurrent(mEGLDisplay, mEGLContext)) {
|
|
ALOGW("DisplayDevice::makeCurrent failed. Aborting surface composition for display %s",
|
|
hw->getDisplayName().string());
|
|
eglMakeCurrent(mEGLDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
if(!getDefaultDisplayDevice()->makeCurrent(mEGLDisplay, mEGLContext)) {
|
|
ALOGE("DisplayDevice::makeCurrent on default display failed. Aborting.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Never touch the framebuffer if we don't have any framebuffer layers
|
|
const bool hasHwcComposition = hwc.hasHwcComposition(id);
|
|
if (hasHwcComposition) {
|
|
// when using overlays, we assume a fully transparent framebuffer
|
|
// NOTE: we could reduce how much we need to clear, for instance
|
|
// remove where there are opaque FB layers. however, on some
|
|
// GPUs doing a "clean slate" clear might be more efficient.
|
|
// We'll revisit later if needed.
|
|
engine.clearWithColor(0, 0, 0, 0);
|
|
} else {
|
|
// we start with the whole screen area
|
|
const Region bounds(hw->getBounds());
|
|
|
|
// we remove the scissor part
|
|
// we're left with the letterbox region
|
|
// (common case is that letterbox ends-up being empty)
|
|
const Region letterbox(bounds.subtract(hw->getScissor()));
|
|
|
|
// compute the area to clear
|
|
Region region(hw->undefinedRegion.merge(letterbox));
|
|
|
|
// but limit it to the dirty region
|
|
region.andSelf(dirty);
|
|
|
|
// screen is already cleared here
|
|
if (!region.isEmpty()) {
|
|
// can happen with SurfaceView
|
|
drawWormhole(hw, region);
|
|
}
|
|
}
|
|
|
|
if (hw->getDisplayType() != DisplayDevice::DISPLAY_PRIMARY) {
|
|
// just to be on the safe side, we don't set the
|
|
// scissor on the main display. It should never be needed
|
|
// anyways (though in theory it could since the API allows it).
|
|
const Rect& bounds(hw->getBounds());
|
|
const Rect& scissor(hw->getScissor());
|
|
if (scissor != bounds) {
|
|
// scissor doesn't match the screen's dimensions, so we
|
|
// need to clear everything outside of it and enable
|
|
// the GL scissor so we don't draw anything where we shouldn't
|
|
|
|
// enable scissor for this frame
|
|
const uint32_t height = hw->getHeight();
|
|
engine.setScissor(scissor.left, height - scissor.bottom,
|
|
scissor.getWidth(), scissor.getHeight());
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* and then, render the layers targeted at the framebuffer
|
|
*/
|
|
|
|
const Vector< sp<Layer> >& layers(hw->getVisibleLayersSortedByZ());
|
|
const size_t count = layers.size();
|
|
const Transform& tr = hw->getTransform();
|
|
if (cur != end) {
|
|
// we're using h/w composer
|
|
for (size_t i=0 ; i<count && cur!=end ; ++i, ++cur) {
|
|
const sp<Layer>& layer(layers[i]);
|
|
const Region clip(dirty.intersect(tr.transform(layer->visibleRegion)));
|
|
if (!clip.isEmpty()) {
|
|
switch (cur->getCompositionType()) {
|
|
case HWC_CURSOR_OVERLAY:
|
|
case HWC_OVERLAY: {
|
|
const Layer::State& state(layer->getDrawingState());
|
|
if ((cur->getHints() & HWC_HINT_CLEAR_FB)
|
|
&& i
|
|
&& layer->isOpaque(state) && (state.alpha == 0xFF)
|
|
&& hasGlesComposition) {
|
|
// never clear the very first layer since we're
|
|
// guaranteed the FB is already cleared
|
|
layer->clearWithOpenGL(hw, clip);
|
|
}
|
|
break;
|
|
}
|
|
case HWC_FRAMEBUFFER: {
|
|
layer->draw(hw, clip);
|
|
break;
|
|
}
|
|
case HWC_FRAMEBUFFER_TARGET: {
|
|
// this should not happen as the iterator shouldn't
|
|
// let us get there.
|
|
ALOGW("HWC_FRAMEBUFFER_TARGET found in hwc list (index=%zu)", i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
layer->setAcquireFence(hw, *cur);
|
|
}
|
|
} else {
|
|
// we're not using h/w composer
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
const sp<Layer>& layer(layers[i]);
|
|
const Region clip(dirty.intersect(
|
|
tr.transform(layer->visibleRegion)));
|
|
if (!clip.isEmpty()) {
|
|
layer->draw(hw, clip);
|
|
}
|
|
}
|
|
}
|
|
|
|
// disable scissor at the end of the frame
|
|
engine.disableScissor();
|
|
return true;
|
|
}
|
|
|
|
void SurfaceFlinger::drawWormhole(const sp<const DisplayDevice>& hw, const Region& region) const {
|
|
const int32_t height = hw->getHeight();
|
|
RenderEngine& engine(getRenderEngine());
|
|
engine.fillRegionWithColor(region, height, 0, 0, 0, 0);
|
|
}
|
|
|
|
void SurfaceFlinger::addClientLayer(const sp<Client>& client,
|
|
const sp<IBinder>& handle,
|
|
const sp<IGraphicBufferProducer>& gbc,
|
|
const sp<Layer>& lbc)
|
|
{
|
|
// attach this layer to the client
|
|
client->attachLayer(handle, lbc);
|
|
|
|
// add this layer to the current state list
|
|
Mutex::Autolock _l(mStateLock);
|
|
mCurrentState.layersSortedByZ.add(lbc);
|
|
mGraphicBufferProducerList.add(gbc->asBinder());
|
|
}
|
|
|
|
status_t SurfaceFlinger::removeLayer(const sp<Layer>& layer) {
|
|
Mutex::Autolock _l(mStateLock);
|
|
ssize_t index = mCurrentState.layersSortedByZ.remove(layer);
|
|
if (index >= 0) {
|
|
mLayersPendingRemoval.push(layer);
|
|
mLayersRemoved = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return NO_ERROR;
|
|
}
|
|
return status_t(index);
|
|
}
|
|
|
|
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
|
|
signalTransaction();
|
|
}
|
|
return old;
|
|
}
|
|
|
|
void SurfaceFlinger::setTransactionState(
|
|
const Vector<ComposerState>& state,
|
|
const Vector<DisplayState>& displays,
|
|
uint32_t flags)
|
|
{
|
|
ATRACE_CALL();
|
|
Mutex::Autolock _l(mStateLock);
|
|
uint32_t transactionFlags = 0;
|
|
|
|
if (flags & eAnimation) {
|
|
// For window updates that are part of an animation we must wait for
|
|
// previous animation "frames" to be handled.
|
|
while (mAnimTransactionPending) {
|
|
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
|
|
// caller after a few seconds.
|
|
ALOGW_IF(err == TIMED_OUT, "setTransactionState timed out "
|
|
"waiting for previous animation frame");
|
|
mAnimTransactionPending = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
size_t count = displays.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const DisplayState& s(displays[i]);
|
|
transactionFlags |= setDisplayStateLocked(s);
|
|
}
|
|
|
|
count = state.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const ComposerState& s(state[i]);
|
|
// Here we need to check that the interface we're given is indeed
|
|
// one of our own. A malicious client could give us a NULL
|
|
// IInterface, or one of its own or even one of our own but a
|
|
// different type. All these situations would cause us to crash.
|
|
//
|
|
// NOTE: it would be better to use RTTI as we could directly check
|
|
// that we have a Client*. however, RTTI is disabled in Android.
|
|
if (s.client != NULL) {
|
|
sp<IBinder> binder = s.client->asBinder();
|
|
if (binder != NULL) {
|
|
String16 desc(binder->getInterfaceDescriptor());
|
|
if (desc == ISurfaceComposerClient::descriptor) {
|
|
sp<Client> client( static_cast<Client *>(s.client.get()) );
|
|
transactionFlags |= setClientStateLocked(client, s.state);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (transactionFlags) {
|
|
// this triggers the transaction
|
|
setTransactionFlags(transactionFlags);
|
|
|
|
// if this is a synchronous transaction, wait for it to take effect
|
|
// before returning.
|
|
if (flags & eSynchronous) {
|
|
mTransactionPending = true;
|
|
}
|
|
if (flags & eAnimation) {
|
|
mAnimTransactionPending = true;
|
|
}
|
|
while (mTransactionPending) {
|
|
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.
|
|
ALOGW_IF(err == TIMED_OUT, "setTransactionState timed out!");
|
|
mTransactionPending = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t SurfaceFlinger::setDisplayStateLocked(const DisplayState& s)
|
|
{
|
|
ssize_t dpyIdx = mCurrentState.displays.indexOfKey(s.token);
|
|
if (dpyIdx < 0)
|
|
return 0;
|
|
|
|
uint32_t flags = 0;
|
|
DisplayDeviceState& disp(mCurrentState.displays.editValueAt(dpyIdx));
|
|
if (disp.isValid()) {
|
|
const uint32_t what = s.what;
|
|
if (what & DisplayState::eSurfaceChanged) {
|
|
if (disp.surface->asBinder() != s.surface->asBinder()) {
|
|
disp.surface = s.surface;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
}
|
|
if (what & DisplayState::eLayerStackChanged) {
|
|
if (disp.layerStack != s.layerStack) {
|
|
disp.layerStack = s.layerStack;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
}
|
|
if (what & DisplayState::eDisplayProjectionChanged) {
|
|
if (disp.orientation != s.orientation) {
|
|
disp.orientation = s.orientation;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
if (disp.frame != s.frame) {
|
|
disp.frame = s.frame;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
if (disp.viewport != s.viewport) {
|
|
disp.viewport = s.viewport;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
}
|
|
if (what & DisplayState::eDisplaySizeChanged) {
|
|
if (disp.width != s.width) {
|
|
disp.width = s.width;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
if (disp.height != s.height) {
|
|
disp.height = s.height;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
}
|
|
}
|
|
return flags;
|
|
}
|
|
|
|
uint32_t SurfaceFlinger::setClientStateLocked(
|
|
const sp<Client>& client,
|
|
const layer_state_t& s)
|
|
{
|
|
uint32_t flags = 0;
|
|
sp<Layer> layer(client->getLayerUser(s.surface));
|
|
if (layer != 0) {
|
|
const uint32_t what = s.what;
|
|
if (what & layer_state_t::ePositionChanged) {
|
|
if (layer->setPosition(s.x, s.y))
|
|
flags |= eTraversalNeeded;
|
|
}
|
|
if (what & layer_state_t::eLayerChanged) {
|
|
// NOTE: index needs to be calculated before we update the state
|
|
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 & layer_state_t::eSizeChanged) {
|
|
if (layer->setSize(s.w, s.h)) {
|
|
flags |= eTraversalNeeded;
|
|
}
|
|
}
|
|
if (what & layer_state_t::eAlphaChanged) {
|
|
if (layer->setAlpha(uint8_t(255.0f*s.alpha+0.5f)))
|
|
flags |= eTraversalNeeded;
|
|
}
|
|
if (what & layer_state_t::eMatrixChanged) {
|
|
if (layer->setMatrix(s.matrix))
|
|
flags |= eTraversalNeeded;
|
|
}
|
|
if (what & layer_state_t::eTransparentRegionChanged) {
|
|
if (layer->setTransparentRegionHint(s.transparentRegion))
|
|
flags |= eTraversalNeeded;
|
|
}
|
|
if ((what & layer_state_t::eVisibilityChanged) ||
|
|
(what & layer_state_t::eOpacityChanged)) {
|
|
// TODO: should we just use an eFlagsChanged for this?
|
|
if (layer->setFlags(s.flags, s.mask))
|
|
flags |= eTraversalNeeded;
|
|
}
|
|
if (what & layer_state_t::eCropChanged) {
|
|
if (layer->setCrop(s.crop))
|
|
flags |= eTraversalNeeded;
|
|
}
|
|
if (what & layer_state_t::eLayerStackChanged) {
|
|
// NOTE: index needs to be calculated before we update the state
|
|
ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
|
|
if (layer->setLayerStack(s.layerStack)) {
|
|
mCurrentState.layersSortedByZ.removeAt(idx);
|
|
mCurrentState.layersSortedByZ.add(layer);
|
|
// we need traversal (state changed)
|
|
// AND transaction (list changed)
|
|
flags |= eTransactionNeeded|eTraversalNeeded;
|
|
}
|
|
}
|
|
}
|
|
return flags;
|
|
}
|
|
|
|
status_t SurfaceFlinger::createLayer(
|
|
const String8& name,
|
|
const sp<Client>& client,
|
|
uint32_t w, uint32_t h, PixelFormat format, uint32_t flags,
|
|
sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp)
|
|
{
|
|
//ALOGD("createLayer for (%d x %d), name=%s", w, h, name.string());
|
|
if (int32_t(w|h) < 0) {
|
|
ALOGE("createLayer() failed, w or h is negative (w=%d, h=%d)",
|
|
int(w), int(h));
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
status_t result = NO_ERROR;
|
|
|
|
sp<Layer> layer;
|
|
|
|
switch (flags & ISurfaceComposerClient::eFXSurfaceMask) {
|
|
case ISurfaceComposerClient::eFXSurfaceNormal:
|
|
result = createNormalLayer(client,
|
|
name, w, h, flags, format,
|
|
handle, gbp, &layer);
|
|
break;
|
|
case ISurfaceComposerClient::eFXSurfaceDim:
|
|
result = createDimLayer(client,
|
|
name, w, h, flags,
|
|
handle, gbp, &layer);
|
|
break;
|
|
default:
|
|
result = BAD_VALUE;
|
|
break;
|
|
}
|
|
|
|
if (result == NO_ERROR) {
|
|
addClientLayer(client, *handle, *gbp, layer);
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
status_t SurfaceFlinger::createNormalLayer(const sp<Client>& client,
|
|
const String8& name, uint32_t w, uint32_t h, uint32_t flags, PixelFormat& format,
|
|
sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, sp<Layer>* outLayer)
|
|
{
|
|
// initialize the surfaces
|
|
switch (format) {
|
|
case PIXEL_FORMAT_TRANSPARENT:
|
|
case PIXEL_FORMAT_TRANSLUCENT:
|
|
format = PIXEL_FORMAT_RGBA_8888;
|
|
break;
|
|
case PIXEL_FORMAT_OPAQUE:
|
|
format = PIXEL_FORMAT_RGBX_8888;
|
|
break;
|
|
}
|
|
|
|
*outLayer = new Layer(this, client, name, w, h, flags);
|
|
status_t err = (*outLayer)->setBuffers(w, h, format, flags);
|
|
if (err == NO_ERROR) {
|
|
*handle = (*outLayer)->getHandle();
|
|
*gbp = (*outLayer)->getProducer();
|
|
}
|
|
|
|
ALOGE_IF(err, "createNormalLayer() failed (%s)", strerror(-err));
|
|
return err;
|
|
}
|
|
|
|
status_t SurfaceFlinger::createDimLayer(const sp<Client>& client,
|
|
const String8& name, uint32_t w, uint32_t h, uint32_t flags,
|
|
sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, sp<Layer>* outLayer)
|
|
{
|
|
*outLayer = new LayerDim(this, client, name, w, h, flags);
|
|
*handle = (*outLayer)->getHandle();
|
|
*gbp = (*outLayer)->getProducer();
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t SurfaceFlinger::onLayerRemoved(const sp<Client>& client, const sp<IBinder>& handle)
|
|
{
|
|
// called by the window manager when it wants to remove a Layer
|
|
status_t err = NO_ERROR;
|
|
sp<Layer> l(client->getLayerUser(handle));
|
|
if (l != NULL) {
|
|
err = removeLayer(l);
|
|
ALOGE_IF(err<0 && err != NAME_NOT_FOUND,
|
|
"error removing layer=%p (%s)", l.get(), strerror(-err));
|
|
}
|
|
return err;
|
|
}
|
|
|
|
status_t SurfaceFlinger::onLayerDestroyed(const wp<Layer>& layer)
|
|
{
|
|
// called by ~LayerCleaner() when all references to the IBinder (handle)
|
|
// are gone
|
|
status_t err = NO_ERROR;
|
|
sp<Layer> l(layer.promote());
|
|
if (l != NULL) {
|
|
err = removeLayer(l);
|
|
ALOGE_IF(err<0 && err != NAME_NOT_FOUND,
|
|
"error removing layer=%p (%s)", l.get(), strerror(-err));
|
|
}
|
|
return err;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
void SurfaceFlinger::onInitializeDisplays() {
|
|
// reset screen orientation and use primary layer stack
|
|
Vector<ComposerState> state;
|
|
Vector<DisplayState> displays;
|
|
DisplayState d;
|
|
d.what = DisplayState::eDisplayProjectionChanged |
|
|
DisplayState::eLayerStackChanged;
|
|
d.token = mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY];
|
|
d.layerStack = 0;
|
|
d.orientation = DisplayState::eOrientationDefault;
|
|
d.frame.makeInvalid();
|
|
d.viewport.makeInvalid();
|
|
d.width = 0;
|
|
d.height = 0;
|
|
displays.add(d);
|
|
setTransactionState(state, displays, 0);
|
|
setPowerModeInternal(getDisplayDevice(d.token), HWC_POWER_MODE_NORMAL);
|
|
|
|
const nsecs_t period =
|
|
getHwComposer().getRefreshPeriod(HWC_DISPLAY_PRIMARY);
|
|
mAnimFrameTracker.setDisplayRefreshPeriod(period);
|
|
}
|
|
|
|
void SurfaceFlinger::initializeDisplays() {
|
|
class MessageScreenInitialized : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
public:
|
|
MessageScreenInitialized(SurfaceFlinger* flinger) : flinger(flinger) { }
|
|
virtual bool handler() {
|
|
flinger->onInitializeDisplays();
|
|
return true;
|
|
}
|
|
};
|
|
sp<MessageBase> msg = new MessageScreenInitialized(this);
|
|
postMessageAsync(msg); // we may be called from main thread, use async message
|
|
}
|
|
|
|
void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw,
|
|
int mode) {
|
|
ALOGD("Set power mode=%d, type=%d flinger=%p", mode, hw->getDisplayType(),
|
|
this);
|
|
int32_t type = hw->getDisplayType();
|
|
int currentMode = hw->getPowerMode();
|
|
|
|
if (mode == currentMode) {
|
|
ALOGD("Screen type=%d is already mode=%d", hw->getDisplayType(), mode);
|
|
return;
|
|
}
|
|
|
|
hw->setPowerMode(mode);
|
|
if (type >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
|
|
ALOGW("Trying to set power mode for virtual display");
|
|
return;
|
|
}
|
|
|
|
if (currentMode == HWC_POWER_MODE_OFF) {
|
|
getHwComposer().setPowerMode(type, mode);
|
|
if (type == DisplayDevice::DISPLAY_PRIMARY) {
|
|
// FIXME: eventthread only knows about the main display right now
|
|
mEventThread->onScreenAcquired();
|
|
resyncToHardwareVsync(true);
|
|
}
|
|
|
|
mVisibleRegionsDirty = true;
|
|
repaintEverything();
|
|
} else if (mode == HWC_POWER_MODE_OFF) {
|
|
if (type == DisplayDevice::DISPLAY_PRIMARY) {
|
|
disableHardwareVsync(true); // also cancels any in-progress resync
|
|
|
|
// FIXME: eventthread only knows about the main display right now
|
|
mEventThread->onScreenReleased();
|
|
}
|
|
|
|
getHwComposer().setPowerMode(type, mode);
|
|
mVisibleRegionsDirty = true;
|
|
// from this point on, SF will stop drawing on this display
|
|
} else {
|
|
getHwComposer().setPowerMode(type, mode);
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::setPowerMode(const sp<IBinder>& display, int mode) {
|
|
class MessageSetPowerMode: public MessageBase {
|
|
SurfaceFlinger& mFlinger;
|
|
sp<IBinder> mDisplay;
|
|
int mMode;
|
|
public:
|
|
MessageSetPowerMode(SurfaceFlinger& flinger,
|
|
const sp<IBinder>& disp, int mode) : mFlinger(flinger),
|
|
mDisplay(disp) { mMode = mode; }
|
|
virtual bool handler() {
|
|
sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
|
|
if (hw == NULL) {
|
|
ALOGE("Attempt to set power mode = %d for null display %p",
|
|
mMode, mDisplay.get());
|
|
} else if (hw->getDisplayType() >= DisplayDevice::DISPLAY_VIRTUAL) {
|
|
ALOGW("Attempt to set power mode = %d for virtual display",
|
|
mMode);
|
|
} else {
|
|
mFlinger.setPowerModeInternal(hw, mMode);
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
sp<MessageBase> msg = new MessageSetPowerMode(*this, display, mode);
|
|
postMessageSync(msg);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
|
|
{
|
|
String8 result;
|
|
|
|
IPCThreadState* ipc = IPCThreadState::self();
|
|
const int pid = ipc->getCallingPid();
|
|
const int uid = ipc->getCallingUid();
|
|
if ((uid != AID_SHELL) &&
|
|
!PermissionCache::checkPermission(sDump, pid, uid)) {
|
|
result.appendFormat("Permission Denial: "
|
|
"can't dump SurfaceFlinger from pid=%d, uid=%d\n", pid, uid);
|
|
} else {
|
|
// 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) {
|
|
result.append(
|
|
"SurfaceFlinger appears to be unresponsive, "
|
|
"dumping anyways (no locks held)\n");
|
|
}
|
|
|
|
bool dumpAll = true;
|
|
size_t index = 0;
|
|
size_t numArgs = args.size();
|
|
if (numArgs) {
|
|
if ((index < numArgs) &&
|
|
(args[index] == String16("--list"))) {
|
|
index++;
|
|
listLayersLocked(args, index, result);
|
|
dumpAll = false;
|
|
}
|
|
|
|
if ((index < numArgs) &&
|
|
(args[index] == String16("--latency"))) {
|
|
index++;
|
|
dumpStatsLocked(args, index, result);
|
|
dumpAll = false;
|
|
}
|
|
|
|
if ((index < numArgs) &&
|
|
(args[index] == String16("--latency-clear"))) {
|
|
index++;
|
|
clearStatsLocked(args, index, result);
|
|
dumpAll = false;
|
|
}
|
|
|
|
if ((index < numArgs) &&
|
|
(args[index] == String16("--dispsync"))) {
|
|
index++;
|
|
mPrimaryDispSync.dump(result);
|
|
dumpAll = false;
|
|
}
|
|
}
|
|
|
|
if (dumpAll) {
|
|
dumpAllLocked(args, index, result);
|
|
}
|
|
|
|
if (locked) {
|
|
mStateLock.unlock();
|
|
}
|
|
}
|
|
write(fd, result.string(), result.size());
|
|
return NO_ERROR;
|
|
}
|
|
|
|
void SurfaceFlinger::listLayersLocked(const Vector<String16>& /* args */,
|
|
size_t& /* index */, String8& result) const
|
|
{
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
const size_t count = currentLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
result.appendFormat("%s\n", layer->getName().string());
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::dumpStatsLocked(const Vector<String16>& args, size_t& index,
|
|
String8& result) const
|
|
{
|
|
String8 name;
|
|
if (index < args.size()) {
|
|
name = String8(args[index]);
|
|
index++;
|
|
}
|
|
|
|
const nsecs_t period =
|
|
getHwComposer().getRefreshPeriod(HWC_DISPLAY_PRIMARY);
|
|
result.appendFormat("%" PRId64 "\n", period);
|
|
|
|
if (name.isEmpty()) {
|
|
mAnimFrameTracker.dumpStats(result);
|
|
} else {
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
const size_t count = currentLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
if (name == layer->getName()) {
|
|
layer->dumpFrameStats(result);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::clearStatsLocked(const Vector<String16>& args, size_t& index,
|
|
String8& /* result */)
|
|
{
|
|
String8 name;
|
|
if (index < args.size()) {
|
|
name = String8(args[index]);
|
|
index++;
|
|
}
|
|
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
const size_t count = currentLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
if (name.isEmpty() || (name == layer->getName())) {
|
|
layer->clearFrameStats();
|
|
}
|
|
}
|
|
|
|
mAnimFrameTracker.clearStats();
|
|
}
|
|
|
|
// This should only be called from the main thread. Otherwise it would need
|
|
// the lock and should use mCurrentState rather than mDrawingState.
|
|
void SurfaceFlinger::logFrameStats() {
|
|
const LayerVector& drawingLayers = mDrawingState.layersSortedByZ;
|
|
const size_t count = drawingLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<Layer>& layer(drawingLayers[i]);
|
|
layer->logFrameStats();
|
|
}
|
|
|
|
mAnimFrameTracker.logAndResetStats(String8("<win-anim>"));
|
|
}
|
|
|
|
/*static*/ void SurfaceFlinger::appendSfConfigString(String8& result)
|
|
{
|
|
static const char* config =
|
|
" [sf"
|
|
#ifdef HAS_CONTEXT_PRIORITY
|
|
" HAS_CONTEXT_PRIORITY"
|
|
#endif
|
|
#ifdef NEVER_DEFAULT_TO_ASYNC_MODE
|
|
" NEVER_DEFAULT_TO_ASYNC_MODE"
|
|
#endif
|
|
#ifdef TARGET_DISABLE_TRIPLE_BUFFERING
|
|
" TARGET_DISABLE_TRIPLE_BUFFERING"
|
|
#endif
|
|
"]";
|
|
result.append(config);
|
|
}
|
|
|
|
void SurfaceFlinger::dumpAllLocked(const Vector<String16>& args, size_t& index,
|
|
String8& result) const
|
|
{
|
|
bool colorize = false;
|
|
if (index < args.size()
|
|
&& (args[index] == String16("--color"))) {
|
|
colorize = true;
|
|
index++;
|
|
}
|
|
|
|
Colorizer colorizer(colorize);
|
|
|
|
// 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;
|
|
|
|
/*
|
|
* Dump library configuration.
|
|
*/
|
|
|
|
colorizer.bold(result);
|
|
result.append("Build configuration:");
|
|
colorizer.reset(result);
|
|
appendSfConfigString(result);
|
|
appendUiConfigString(result);
|
|
appendGuiConfigString(result);
|
|
result.append("\n");
|
|
|
|
colorizer.bold(result);
|
|
result.append("Sync configuration: ");
|
|
colorizer.reset(result);
|
|
result.append(SyncFeatures::getInstance().toString());
|
|
result.append("\n");
|
|
|
|
colorizer.bold(result);
|
|
result.append("DispSync configuration: ");
|
|
colorizer.reset(result);
|
|
result.appendFormat("app phase %" PRId64 " ns, sf phase %" PRId64 " ns, "
|
|
"present offset %d ns (refresh %" PRId64 " ns)",
|
|
vsyncPhaseOffsetNs, sfVsyncPhaseOffsetNs, PRESENT_TIME_OFFSET_FROM_VSYNC_NS,
|
|
mHwc->getRefreshPeriod(HWC_DISPLAY_PRIMARY));
|
|
result.append("\n");
|
|
|
|
/*
|
|
* Dump the visible layer list
|
|
*/
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
const size_t count = currentLayers.size();
|
|
colorizer.bold(result);
|
|
result.appendFormat("Visible layers (count = %zu)\n", count);
|
|
colorizer.reset(result);
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<Layer>& layer(currentLayers[i]);
|
|
layer->dump(result, colorizer);
|
|
}
|
|
|
|
/*
|
|
* Dump Display state
|
|
*/
|
|
|
|
colorizer.bold(result);
|
|
result.appendFormat("Displays (%zu entries)\n", mDisplays.size());
|
|
colorizer.reset(result);
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
const sp<const DisplayDevice>& hw(mDisplays[dpy]);
|
|
hw->dump(result);
|
|
}
|
|
|
|
/*
|
|
* Dump SurfaceFlinger global state
|
|
*/
|
|
|
|
colorizer.bold(result);
|
|
result.append("SurfaceFlinger global state:\n");
|
|
colorizer.reset(result);
|
|
|
|
HWComposer& hwc(getHwComposer());
|
|
sp<const DisplayDevice> hw(getDefaultDisplayDevice());
|
|
|
|
colorizer.bold(result);
|
|
result.appendFormat("EGL implementation : %s\n",
|
|
eglQueryStringImplementationANDROID(mEGLDisplay, EGL_VERSION));
|
|
colorizer.reset(result);
|
|
result.appendFormat("%s\n",
|
|
eglQueryStringImplementationANDROID(mEGLDisplay, EGL_EXTENSIONS));
|
|
|
|
mRenderEngine->dump(result);
|
|
|
|
hw->undefinedRegion.dump(result, "undefinedRegion");
|
|
result.appendFormat(" orientation=%d, isDisplayOn=%d\n",
|
|
hw->getOrientation(), hw->isDisplayOn());
|
|
result.appendFormat(
|
|
" last eglSwapBuffers() time: %f us\n"
|
|
" last transaction time : %f us\n"
|
|
" transaction-flags : %08x\n"
|
|
" refresh-rate : %f fps\n"
|
|
" x-dpi : %f\n"
|
|
" y-dpi : %f\n"
|
|
" gpu_to_cpu_unsupported : %d\n"
|
|
,
|
|
mLastSwapBufferTime/1000.0,
|
|
mLastTransactionTime/1000.0,
|
|
mTransactionFlags,
|
|
1e9 / hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY),
|
|
hwc.getDpiX(HWC_DISPLAY_PRIMARY),
|
|
hwc.getDpiY(HWC_DISPLAY_PRIMARY),
|
|
!mGpuToCpuSupported);
|
|
|
|
result.appendFormat(" eglSwapBuffers time: %f us\n",
|
|
inSwapBuffersDuration/1000.0);
|
|
|
|
result.appendFormat(" transaction time: %f us\n",
|
|
inTransactionDuration/1000.0);
|
|
|
|
/*
|
|
* VSYNC state
|
|
*/
|
|
mEventThread->dump(result);
|
|
|
|
/*
|
|
* Dump HWComposer state
|
|
*/
|
|
colorizer.bold(result);
|
|
result.append("h/w composer state:\n");
|
|
colorizer.reset(result);
|
|
result.appendFormat(" h/w composer %s and %s\n",
|
|
hwc.initCheck()==NO_ERROR ? "present" : "not present",
|
|
(mDebugDisableHWC || mDebugRegion || mDaltonize
|
|
|| mHasColorMatrix) ? "disabled" : "enabled");
|
|
hwc.dump(result);
|
|
|
|
/*
|
|
* Dump gralloc state
|
|
*/
|
|
const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
|
|
alloc.dump(result);
|
|
}
|
|
|
|
const Vector< sp<Layer> >&
|
|
SurfaceFlinger::getLayerSortedByZForHwcDisplay(int id) {
|
|
// Note: mStateLock is held here
|
|
wp<IBinder> dpy;
|
|
for (size_t i=0 ; i<mDisplays.size() ; i++) {
|
|
if (mDisplays.valueAt(i)->getHwcDisplayId() == id) {
|
|
dpy = mDisplays.keyAt(i);
|
|
break;
|
|
}
|
|
}
|
|
if (dpy == NULL) {
|
|
ALOGE("getLayerSortedByZForHwcDisplay: invalid hwc display id %d", id);
|
|
// Just use the primary display so we have something to return
|
|
dpy = getBuiltInDisplay(DisplayDevice::DISPLAY_PRIMARY);
|
|
}
|
|
return getDisplayDevice(dpy)->getVisibleLayersSortedByZ();
|
|
}
|
|
|
|
bool SurfaceFlinger::startDdmConnection()
|
|
{
|
|
void* libddmconnection_dso =
|
|
dlopen("libsurfaceflinger_ddmconnection.so", RTLD_NOW);
|
|
if (!libddmconnection_dso) {
|
|
return false;
|
|
}
|
|
void (*DdmConnection_start)(const char* name);
|
|
DdmConnection_start =
|
|
(decltype(DdmConnection_start))dlsym(libddmconnection_dso, "DdmConnection_start");
|
|
if (!DdmConnection_start) {
|
|
dlclose(libddmconnection_dso);
|
|
return false;
|
|
}
|
|
(*DdmConnection_start)(getServiceName());
|
|
return true;
|
|
}
|
|
|
|
status_t SurfaceFlinger::onTransact(
|
|
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
|
|
{
|
|
switch (code) {
|
|
case CREATE_CONNECTION:
|
|
case CREATE_DISPLAY:
|
|
case SET_TRANSACTION_STATE:
|
|
case BOOT_FINISHED:
|
|
case CLEAR_ANIMATION_FRAME_STATS:
|
|
case GET_ANIMATION_FRAME_STATS:
|
|
case SET_POWER_MODE:
|
|
{
|
|
// 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)) {
|
|
ALOGE("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)) {
|
|
ALOGE("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 (CC_UNLIKELY(!PermissionCache::checkCallingPermission(sHardwareTest))) {
|
|
IPCThreadState* ipc = IPCThreadState::self();
|
|
const int pid = ipc->getCallingPid();
|
|
const int uid = ipc->getCallingUid();
|
|
ALOGE("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 1004:{ // repaint everything
|
|
repaintEverything();
|
|
return NO_ERROR;
|
|
}
|
|
case 1005:{ // force transaction
|
|
setTransactionFlags(
|
|
eTransactionNeeded|
|
|
eDisplayTransactionNeeded|
|
|
eTraversalNeeded);
|
|
return NO_ERROR;
|
|
}
|
|
case 1006:{ // send empty update
|
|
signalRefresh();
|
|
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(0);
|
|
reply->writeInt32(mDebugDisableHWC);
|
|
return NO_ERROR;
|
|
case 1013: {
|
|
Mutex::Autolock _l(mStateLock);
|
|
sp<const DisplayDevice> hw(getDefaultDisplayDevice());
|
|
reply->writeInt32(hw->getPageFlipCount());
|
|
return NO_ERROR;
|
|
}
|
|
case 1014: {
|
|
// daltonize
|
|
n = data.readInt32();
|
|
switch (n % 10) {
|
|
case 1: mDaltonizer.setType(Daltonizer::protanomaly); break;
|
|
case 2: mDaltonizer.setType(Daltonizer::deuteranomaly); break;
|
|
case 3: mDaltonizer.setType(Daltonizer::tritanomaly); break;
|
|
}
|
|
if (n >= 10) {
|
|
mDaltonizer.setMode(Daltonizer::correction);
|
|
} else {
|
|
mDaltonizer.setMode(Daltonizer::simulation);
|
|
}
|
|
mDaltonize = n > 0;
|
|
invalidateHwcGeometry();
|
|
repaintEverything();
|
|
return NO_ERROR;
|
|
}
|
|
case 1015: {
|
|
// apply a color matrix
|
|
n = data.readInt32();
|
|
mHasColorMatrix = n ? 1 : 0;
|
|
if (n) {
|
|
// color matrix is sent as mat3 matrix followed by vec3
|
|
// offset, then packed into a mat4 where the last row is
|
|
// the offset and extra values are 0
|
|
for (size_t i = 0 ; i < 4; i++) {
|
|
for (size_t j = 0; j < 4; j++) {
|
|
mColorMatrix[i][j] = data.readFloat();
|
|
}
|
|
}
|
|
} else {
|
|
mColorMatrix = mat4();
|
|
}
|
|
invalidateHwcGeometry();
|
|
repaintEverything();
|
|
return NO_ERROR;
|
|
}
|
|
// This is an experimental interface
|
|
// Needs to be shifted to proper binder interface when we productize
|
|
case 1016: {
|
|
n = data.readInt32();
|
|
mPrimaryDispSync.setRefreshSkipCount(n);
|
|
return NO_ERROR;
|
|
}
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
void SurfaceFlinger::repaintEverything() {
|
|
android_atomic_or(1, &mRepaintEverything);
|
|
signalTransaction();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Capture screen into an IGraphiBufferProducer
|
|
// ---------------------------------------------------------------------------
|
|
|
|
/* The code below is here to handle b/8734824
|
|
*
|
|
* We create a IGraphicBufferProducer wrapper that forwards all calls
|
|
* from the surfaceflinger thread to the calling binder thread, where they
|
|
* are executed. This allows the calling thread in the calling process to be
|
|
* reused and not depend on having "enough" binder threads to handle the
|
|
* requests.
|
|
*/
|
|
class GraphicProducerWrapper : public BBinder, public MessageHandler {
|
|
/* Parts of GraphicProducerWrapper are run on two different threads,
|
|
* communicating by sending messages via Looper but also by shared member
|
|
* data. Coherence maintenance is subtle and in places implicit (ugh).
|
|
*
|
|
* Don't rely on Looper's sendMessage/handleMessage providing
|
|
* release/acquire semantics for any data not actually in the Message.
|
|
* Data going from surfaceflinger to binder threads needs to be
|
|
* synchronized explicitly.
|
|
*
|
|
* Barrier open/wait do provide release/acquire semantics. This provides
|
|
* implicit synchronization for data coming back from binder to
|
|
* surfaceflinger threads.
|
|
*/
|
|
|
|
sp<IGraphicBufferProducer> impl;
|
|
sp<Looper> looper;
|
|
status_t result;
|
|
bool exitPending;
|
|
bool exitRequested;
|
|
Barrier barrier;
|
|
uint32_t code;
|
|
Parcel const* data;
|
|
Parcel* reply;
|
|
|
|
enum {
|
|
MSG_API_CALL,
|
|
MSG_EXIT
|
|
};
|
|
|
|
/*
|
|
* Called on surfaceflinger thread. This is called by our "fake"
|
|
* BpGraphicBufferProducer. We package the data and reply Parcel and
|
|
* forward them to the binder thread.
|
|
*/
|
|
virtual status_t transact(uint32_t code,
|
|
const Parcel& data, Parcel* reply, uint32_t /* flags */) {
|
|
this->code = code;
|
|
this->data = &data;
|
|
this->reply = reply;
|
|
if (exitPending) {
|
|
// if we've exited, we run the message synchronously right here.
|
|
// note (JH): as far as I can tell from looking at the code, this
|
|
// never actually happens. if it does, i'm not sure if it happens
|
|
// on the surfaceflinger or binder thread.
|
|
handleMessage(Message(MSG_API_CALL));
|
|
} else {
|
|
barrier.close();
|
|
// Prevent stores to this->{code, data, reply} from being
|
|
// reordered later than the construction of Message.
|
|
atomic_thread_fence(memory_order_release);
|
|
looper->sendMessage(this, Message(MSG_API_CALL));
|
|
barrier.wait();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* here we run on the binder thread. All we've got to do is
|
|
* call the real BpGraphicBufferProducer.
|
|
*/
|
|
virtual void handleMessage(const Message& message) {
|
|
int what = message.what;
|
|
// Prevent reads below from happening before the read from Message
|
|
atomic_thread_fence(memory_order_acquire);
|
|
if (what == MSG_API_CALL) {
|
|
result = impl->asBinder()->transact(code, data[0], reply);
|
|
barrier.open();
|
|
} else if (what == MSG_EXIT) {
|
|
exitRequested = true;
|
|
}
|
|
}
|
|
|
|
public:
|
|
GraphicProducerWrapper(const sp<IGraphicBufferProducer>& impl)
|
|
: impl(impl),
|
|
looper(new Looper(true)),
|
|
exitPending(false),
|
|
exitRequested(false)
|
|
{}
|
|
|
|
// Binder thread
|
|
status_t waitForResponse() {
|
|
do {
|
|
looper->pollOnce(-1);
|
|
} while (!exitRequested);
|
|
return result;
|
|
}
|
|
|
|
// Client thread
|
|
void exit(status_t result) {
|
|
this->result = result;
|
|
exitPending = true;
|
|
// Ensure this->result is visible to the binder thread before it
|
|
// handles the message.
|
|
atomic_thread_fence(memory_order_release);
|
|
looper->sendMessage(this, Message(MSG_EXIT));
|
|
}
|
|
};
|
|
|
|
|
|
status_t SurfaceFlinger::captureScreen(const sp<IBinder>& display,
|
|
const sp<IGraphicBufferProducer>& producer,
|
|
Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ,
|
|
bool useIdentityTransform, ISurfaceComposer::Rotation rotation) {
|
|
|
|
if (CC_UNLIKELY(display == 0))
|
|
return BAD_VALUE;
|
|
|
|
if (CC_UNLIKELY(producer == 0))
|
|
return BAD_VALUE;
|
|
|
|
// if we have secure windows on this display, never allow the screen capture
|
|
// unless the producer interface is local (i.e.: we can take a screenshot for
|
|
// ourselves).
|
|
if (!producer->asBinder()->localBinder()) {
|
|
Mutex::Autolock _l(mStateLock);
|
|
sp<const DisplayDevice> hw(getDisplayDevice(display));
|
|
if (hw->getSecureLayerVisible()) {
|
|
ALOGW("FB is protected: PERMISSION_DENIED");
|
|
return PERMISSION_DENIED;
|
|
}
|
|
}
|
|
|
|
// Convert to surfaceflinger's internal rotation type.
|
|
Transform::orientation_flags rotationFlags;
|
|
switch (rotation) {
|
|
case ISurfaceComposer::eRotateNone:
|
|
rotationFlags = Transform::ROT_0;
|
|
break;
|
|
case ISurfaceComposer::eRotate90:
|
|
rotationFlags = Transform::ROT_90;
|
|
break;
|
|
case ISurfaceComposer::eRotate180:
|
|
rotationFlags = Transform::ROT_180;
|
|
break;
|
|
case ISurfaceComposer::eRotate270:
|
|
rotationFlags = Transform::ROT_270;
|
|
break;
|
|
default:
|
|
rotationFlags = Transform::ROT_0;
|
|
ALOGE("Invalid rotation passed to captureScreen(): %d\n", rotation);
|
|
break;
|
|
}
|
|
|
|
class MessageCaptureScreen : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
sp<IBinder> display;
|
|
sp<IGraphicBufferProducer> producer;
|
|
Rect sourceCrop;
|
|
uint32_t reqWidth, reqHeight;
|
|
uint32_t minLayerZ,maxLayerZ;
|
|
bool useIdentityTransform;
|
|
Transform::orientation_flags rotation;
|
|
status_t result;
|
|
public:
|
|
MessageCaptureScreen(SurfaceFlinger* flinger,
|
|
const sp<IBinder>& display,
|
|
const sp<IGraphicBufferProducer>& producer,
|
|
Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ,
|
|
bool useIdentityTransform, Transform::orientation_flags rotation)
|
|
: flinger(flinger), display(display), producer(producer),
|
|
sourceCrop(sourceCrop), reqWidth(reqWidth), reqHeight(reqHeight),
|
|
minLayerZ(minLayerZ), maxLayerZ(maxLayerZ),
|
|
useIdentityTransform(useIdentityTransform),
|
|
rotation(rotation),
|
|
result(PERMISSION_DENIED)
|
|
{
|
|
}
|
|
status_t getResult() const {
|
|
return result;
|
|
}
|
|
virtual bool handler() {
|
|
Mutex::Autolock _l(flinger->mStateLock);
|
|
sp<const DisplayDevice> hw(flinger->getDisplayDevice(display));
|
|
result = flinger->captureScreenImplLocked(hw, producer,
|
|
sourceCrop, reqWidth, reqHeight, minLayerZ, maxLayerZ,
|
|
useIdentityTransform, rotation);
|
|
static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(result);
|
|
return true;
|
|
}
|
|
};
|
|
|
|
// make sure to process transactions before screenshots -- a transaction
|
|
// might already be pending but scheduled for VSYNC; this guarantees we
|
|
// will handle it before the screenshot. When VSYNC finally arrives
|
|
// the scheduled transaction will be a no-op. If no transactions are
|
|
// scheduled at this time, this will end-up being a no-op as well.
|
|
mEventQueue.invalidateTransactionNow();
|
|
|
|
// this creates a "fake" BBinder which will serve as a "fake" remote
|
|
// binder to receive the marshaled calls and forward them to the
|
|
// real remote (a BpGraphicBufferProducer)
|
|
sp<GraphicProducerWrapper> wrapper = new GraphicProducerWrapper(producer);
|
|
|
|
// the asInterface() call below creates our "fake" BpGraphicBufferProducer
|
|
// which does the marshaling work forwards to our "fake remote" above.
|
|
sp<MessageBase> msg = new MessageCaptureScreen(this,
|
|
display, IGraphicBufferProducer::asInterface( wrapper ),
|
|
sourceCrop, reqWidth, reqHeight, minLayerZ, maxLayerZ,
|
|
useIdentityTransform, rotationFlags);
|
|
|
|
status_t res = postMessageAsync(msg);
|
|
if (res == NO_ERROR) {
|
|
res = wrapper->waitForResponse();
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
void SurfaceFlinger::renderScreenImplLocked(
|
|
const sp<const DisplayDevice>& hw,
|
|
Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ,
|
|
bool yswap, bool useIdentityTransform, Transform::orientation_flags rotation)
|
|
{
|
|
ATRACE_CALL();
|
|
RenderEngine& engine(getRenderEngine());
|
|
|
|
// get screen geometry
|
|
const uint32_t hw_w = hw->getWidth();
|
|
const uint32_t hw_h = hw->getHeight();
|
|
const bool filtering = reqWidth != hw_w || reqWidth != hw_h;
|
|
|
|
// if a default or invalid sourceCrop is passed in, set reasonable values
|
|
if (sourceCrop.width() == 0 || sourceCrop.height() == 0 ||
|
|
!sourceCrop.isValid()) {
|
|
sourceCrop.setLeftTop(Point(0, 0));
|
|
sourceCrop.setRightBottom(Point(hw_w, hw_h));
|
|
}
|
|
|
|
// ensure that sourceCrop is inside screen
|
|
if (sourceCrop.left < 0) {
|
|
ALOGE("Invalid crop rect: l = %d (< 0)", sourceCrop.left);
|
|
}
|
|
if (sourceCrop.right > hw_w) {
|
|
ALOGE("Invalid crop rect: r = %d (> %d)", sourceCrop.right, hw_w);
|
|
}
|
|
if (sourceCrop.top < 0) {
|
|
ALOGE("Invalid crop rect: t = %d (< 0)", sourceCrop.top);
|
|
}
|
|
if (sourceCrop.bottom > hw_h) {
|
|
ALOGE("Invalid crop rect: b = %d (> %d)", sourceCrop.bottom, hw_h);
|
|
}
|
|
|
|
// make sure to clear all GL error flags
|
|
engine.checkErrors();
|
|
|
|
// set-up our viewport
|
|
engine.setViewportAndProjection(
|
|
reqWidth, reqHeight, sourceCrop, hw_h, yswap, rotation);
|
|
engine.disableTexturing();
|
|
|
|
// redraw the screen entirely...
|
|
engine.clearWithColor(0, 0, 0, 1);
|
|
|
|
const LayerVector& layers( mDrawingState.layersSortedByZ );
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
const sp<Layer>& layer(layers[i]);
|
|
const Layer::State& state(layer->getDrawingState());
|
|
if (state.layerStack == hw->getLayerStack()) {
|
|
if (state.z >= minLayerZ && state.z <= maxLayerZ) {
|
|
if (layer->isVisible()) {
|
|
if (filtering) layer->setFiltering(true);
|
|
layer->draw(hw, useIdentityTransform);
|
|
if (filtering) layer->setFiltering(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// compositionComplete is needed for older driver
|
|
hw->compositionComplete();
|
|
hw->setViewportAndProjection();
|
|
}
|
|
|
|
|
|
status_t SurfaceFlinger::captureScreenImplLocked(
|
|
const sp<const DisplayDevice>& hw,
|
|
const sp<IGraphicBufferProducer>& producer,
|
|
Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ,
|
|
bool useIdentityTransform, Transform::orientation_flags rotation)
|
|
{
|
|
ATRACE_CALL();
|
|
|
|
// get screen geometry
|
|
const uint32_t hw_w = hw->getWidth();
|
|
const uint32_t hw_h = hw->getHeight();
|
|
|
|
if ((reqWidth > hw_w) || (reqHeight > hw_h)) {
|
|
ALOGE("size mismatch (%d, %d) > (%d, %d)",
|
|
reqWidth, reqHeight, hw_w, hw_h);
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
reqWidth = (!reqWidth) ? hw_w : reqWidth;
|
|
reqHeight = (!reqHeight) ? hw_h : reqHeight;
|
|
|
|
// create a surface (because we're a producer, and we need to
|
|
// dequeue/queue a buffer)
|
|
sp<Surface> sur = new Surface(producer, false);
|
|
ANativeWindow* window = sur.get();
|
|
|
|
status_t result = NO_ERROR;
|
|
if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) == NO_ERROR) {
|
|
uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
|
|
GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
|
|
|
|
int err = 0;
|
|
err = native_window_set_buffers_dimensions(window, reqWidth, reqHeight);
|
|
err |= native_window_set_scaling_mode(window, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
|
|
err |= native_window_set_buffers_format(window, HAL_PIXEL_FORMAT_RGBA_8888);
|
|
err |= native_window_set_usage(window, usage);
|
|
|
|
if (err == NO_ERROR) {
|
|
ANativeWindowBuffer* buffer;
|
|
/* TODO: Once we have the sync framework everywhere this can use
|
|
* server-side waits on the fence that dequeueBuffer returns.
|
|
*/
|
|
result = native_window_dequeue_buffer_and_wait(window, &buffer);
|
|
if (result == NO_ERROR) {
|
|
int syncFd = -1;
|
|
// create an EGLImage from the buffer so we can later
|
|
// turn it into a texture
|
|
EGLImageKHR image = eglCreateImageKHR(mEGLDisplay, EGL_NO_CONTEXT,
|
|
EGL_NATIVE_BUFFER_ANDROID, buffer, NULL);
|
|
if (image != EGL_NO_IMAGE_KHR) {
|
|
// this binds the given EGLImage as a framebuffer for the
|
|
// duration of this scope.
|
|
RenderEngine::BindImageAsFramebuffer imageBond(getRenderEngine(), image);
|
|
if (imageBond.getStatus() == NO_ERROR) {
|
|
// this will in fact render into our dequeued buffer
|
|
// via an FBO, which means we didn't have to create
|
|
// an EGLSurface and therefore we're not
|
|
// dependent on the context's EGLConfig.
|
|
renderScreenImplLocked(
|
|
hw, sourceCrop, reqWidth, reqHeight, minLayerZ, maxLayerZ, true,
|
|
useIdentityTransform, rotation);
|
|
|
|
// Attempt to create a sync khr object that can produce a sync point. If that
|
|
// isn't available, create a non-dupable sync object in the fallback path and
|
|
// wait on it directly.
|
|
EGLSyncKHR sync;
|
|
if (!DEBUG_SCREENSHOTS) {
|
|
sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, NULL);
|
|
} else {
|
|
sync = EGL_NO_SYNC_KHR;
|
|
}
|
|
if (sync != EGL_NO_SYNC_KHR) {
|
|
// get the sync fd
|
|
syncFd = eglDupNativeFenceFDANDROID(mEGLDisplay, sync);
|
|
if (syncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
|
|
ALOGW("captureScreen: failed to dup sync khr object");
|
|
syncFd = -1;
|
|
}
|
|
eglDestroySyncKHR(mEGLDisplay, sync);
|
|
} else {
|
|
// fallback path
|
|
sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_FENCE_KHR, NULL);
|
|
if (sync != EGL_NO_SYNC_KHR) {
|
|
EGLint result = eglClientWaitSyncKHR(mEGLDisplay, sync,
|
|
EGL_SYNC_FLUSH_COMMANDS_BIT_KHR, 2000000000 /*2 sec*/);
|
|
EGLint eglErr = eglGetError();
|
|
if (result == EGL_TIMEOUT_EXPIRED_KHR) {
|
|
ALOGW("captureScreen: fence wait timed out");
|
|
} else {
|
|
ALOGW_IF(eglErr != EGL_SUCCESS,
|
|
"captureScreen: error waiting on EGL fence: %#x", eglErr);
|
|
}
|
|
eglDestroySyncKHR(mEGLDisplay, sync);
|
|
} else {
|
|
ALOGW("captureScreen: error creating EGL fence: %#x", eglGetError());
|
|
}
|
|
}
|
|
if (DEBUG_SCREENSHOTS) {
|
|
uint32_t* pixels = new uint32_t[reqWidth*reqHeight];
|
|
getRenderEngine().readPixels(0, 0, reqWidth, reqHeight, pixels);
|
|
checkScreenshot(reqWidth, reqHeight, reqWidth, pixels,
|
|
hw, minLayerZ, maxLayerZ);
|
|
delete [] pixels;
|
|
}
|
|
|
|
} else {
|
|
ALOGE("got GL_FRAMEBUFFER_COMPLETE_OES error while taking screenshot");
|
|
result = INVALID_OPERATION;
|
|
}
|
|
// destroy our image
|
|
eglDestroyImageKHR(mEGLDisplay, image);
|
|
} else {
|
|
result = BAD_VALUE;
|
|
}
|
|
window->queueBuffer(window, buffer, syncFd);
|
|
if (syncFd != -1) {
|
|
close(syncFd);
|
|
}
|
|
}
|
|
} else {
|
|
result = BAD_VALUE;
|
|
}
|
|
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void SurfaceFlinger::checkScreenshot(size_t w, size_t s, size_t h, void const* vaddr,
|
|
const sp<const DisplayDevice>& hw, uint32_t minLayerZ, uint32_t maxLayerZ) {
|
|
if (DEBUG_SCREENSHOTS) {
|
|
for (size_t y=0 ; y<h ; y++) {
|
|
uint32_t const * p = (uint32_t const *)vaddr + y*s;
|
|
for (size_t x=0 ; x<w ; x++) {
|
|
if (p[x] != 0xFF000000) return;
|
|
}
|
|
}
|
|
ALOGE("*** we just took a black screenshot ***\n"
|
|
"requested minz=%d, maxz=%d, layerStack=%d",
|
|
minLayerZ, maxLayerZ, hw->getLayerStack());
|
|
const LayerVector& layers( mDrawingState.layersSortedByZ );
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
const sp<Layer>& layer(layers[i]);
|
|
const Layer::State& state(layer->getDrawingState());
|
|
const bool visible = (state.layerStack == hw->getLayerStack())
|
|
&& (state.z >= minLayerZ && state.z <= maxLayerZ)
|
|
&& (layer->isVisible());
|
|
ALOGE("%c index=%zu, name=%s, layerStack=%d, z=%d, visible=%d, flags=%x, alpha=%x",
|
|
visible ? '+' : '-',
|
|
i, layer->getName().string(), state.layerStack, state.z,
|
|
layer->isVisible(), state.flags, state.alpha);
|
|
}
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
SurfaceFlinger::LayerVector::LayerVector() {
|
|
}
|
|
|
|
SurfaceFlinger::LayerVector::LayerVector(const LayerVector& rhs)
|
|
: SortedVector<sp<Layer> >(rhs) {
|
|
}
|
|
|
|
int SurfaceFlinger::LayerVector::do_compare(const void* lhs,
|
|
const void* rhs) const
|
|
{
|
|
// sort layers per layer-stack, then by z-order and finally by sequence
|
|
const sp<Layer>& l(*reinterpret_cast<const sp<Layer>*>(lhs));
|
|
const sp<Layer>& r(*reinterpret_cast<const sp<Layer>*>(rhs));
|
|
|
|
uint32_t ls = l->getCurrentState().layerStack;
|
|
uint32_t rs = r->getCurrentState().layerStack;
|
|
if (ls != rs)
|
|
return ls - rs;
|
|
|
|
uint32_t lz = l->getCurrentState().z;
|
|
uint32_t rz = r->getCurrentState().z;
|
|
if (lz != rz)
|
|
return lz - rz;
|
|
|
|
return l->sequence - r->sequence;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
SurfaceFlinger::DisplayDeviceState::DisplayDeviceState()
|
|
: type(DisplayDevice::DISPLAY_ID_INVALID), width(0), height(0) {
|
|
}
|
|
|
|
SurfaceFlinger::DisplayDeviceState::DisplayDeviceState(DisplayDevice::DisplayType type)
|
|
: type(type), layerStack(DisplayDevice::NO_LAYER_STACK), orientation(0), width(0), height(0) {
|
|
viewport.makeInvalid();
|
|
frame.makeInvalid();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|
|
|
|
|
|
#if defined(__gl_h_)
|
|
#error "don't include gl/gl.h in this file"
|
|
#endif
|
|
|
|
#if defined(__gl2_h_)
|
|
#error "don't include gl2/gl2.h in this file"
|
|
#endif
|