2446 lines
82 KiB
C++
2446 lines
82 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 <EGL/egl.h>
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#include <GLES/gl.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 <gui/BitTube.h>
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#include <gui/BufferQueue.h>
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#include <gui/IDisplayEventConnection.h>
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#include <gui/SurfaceTextureClient.h>
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#include <ui/GraphicBufferAllocator.h>
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#include <ui/PixelFormat.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 "clz.h"
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#include "DdmConnection.h"
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#include "DisplayDevice.h"
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#include "Client.h"
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#include "EventThread.h"
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#include "GLExtensions.h"
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#include "Layer.h"
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#include "LayerDim.h"
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#include "LayerScreenshot.h"
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#include "SurfaceFlinger.h"
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#include "DisplayHardware/FramebufferSurface.h"
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#include "DisplayHardware/HWComposer.h"
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#define EGL_VERSION_HW_ANDROID 0x3143
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#define DISPLAY_COUNT 1
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namespace android {
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// ---------------------------------------------------------------------------
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const String16 sHardwareTest("android.permission.HARDWARE_TEST");
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const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
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const String16 sReadFramebuffer("android.permission.READ_FRAME_BUFFER");
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const String16 sDump("android.permission.DUMP");
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// ---------------------------------------------------------------------------
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SurfaceFlinger::SurfaceFlinger()
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: BnSurfaceComposer(), Thread(false),
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mTransactionFlags(0),
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mTransationPending(false),
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mLayersRemoved(false),
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mRepaintEverything(0),
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mBootTime(systemTime()),
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mVisibleRegionsDirty(false),
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mHwWorkListDirty(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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{
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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("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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DdmConnection::start(getServiceName());
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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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run("SurfaceFlinger", PRIORITY_URGENT_DISPLAY);
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// Wait for the main thread to be done with its initialization
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mReadyToRunBarrier.wait();
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}
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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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// reset screen orientation
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Vector<ComposerState> state;
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Vector<DisplayState> displays;
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DisplayState d;
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d.what = DisplayState::eOrientationChanged;
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d.token = mDefaultDisplays[DisplayDevice::DISPLAY_ID_MAIN];
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d.orientation = DisplayState::eOrientationDefault;
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displays.add(d);
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setTransactionState(state, displays, 0);
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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()
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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(intptr_t(token.get())); // FIXME: we shouldn't use the address for the id
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mCurrentState.displays.add(token, info);
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return token;
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}
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sp<IBinder> SurfaceFlinger::getBuiltInDisplay(int32_t id) {
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if (uint32_t(id) >= DisplayDevice::DISPLAY_ID_COUNT) {
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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 mDefaultDisplays[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(GLuint texture) {
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class MessageDestroyGLTexture : public MessageBase {
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GLuint texture;
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public:
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MessageDestroyGLTexture(GLuint texture)
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: texture(texture) {
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}
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virtual bool handler() {
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glDeleteTextures(1, &texture);
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return true;
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}
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};
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postMessageAsync(new MessageDestroyGLTexture(texture));
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}
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status_t SurfaceFlinger::selectConfigForPixelFormat(
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EGLDisplay dpy,
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EGLint const* attrs,
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PixelFormat format,
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EGLConfig* outConfig)
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{
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EGLConfig config = NULL;
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EGLint numConfigs = -1, n=0;
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eglGetConfigs(dpy, NULL, 0, &numConfigs);
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EGLConfig* const configs = new EGLConfig[numConfigs];
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eglChooseConfig(dpy, attrs, configs, numConfigs, &n);
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for (int i=0 ; i<n ; i++) {
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EGLint nativeVisualId = 0;
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eglGetConfigAttrib(dpy, configs[i], EGL_NATIVE_VISUAL_ID, &nativeVisualId);
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if (nativeVisualId>0 && format == nativeVisualId) {
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*outConfig = configs[i];
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delete [] configs;
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return NO_ERROR;
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}
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}
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delete [] configs;
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return NAME_NOT_FOUND;
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}
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EGLConfig SurfaceFlinger::selectEGLConfig(EGLDisplay display, EGLint nativeVisualId) {
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// select our EGLConfig. It must support EGL_RECORDABLE_ANDROID if
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// it is to be used with WIFI displays
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EGLConfig config;
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EGLint dummy;
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status_t err;
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EGLint attribs[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_RECORDABLE_ANDROID, EGL_TRUE,
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EGL_NONE
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};
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err = selectConfigForPixelFormat(display, attribs, nativeVisualId, &config);
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if (err) {
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// maybe we failed because of EGL_RECORDABLE_ANDROID
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ALOGW("couldn't find an EGLConfig with EGL_RECORDABLE_ANDROID");
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attribs[2] = EGL_NONE;
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err = selectConfigForPixelFormat(display, attribs, nativeVisualId, &config);
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}
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ALOGE_IF(err, "couldn't find an EGLConfig matching the screen format");
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if (eglGetConfigAttrib(display, config, EGL_CONFIG_CAVEAT, &dummy) == EGL_TRUE) {
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ALOGW_IF(dummy == EGL_SLOW_CONFIG, "EGL_SLOW_CONFIG selected!");
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}
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return config;
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}
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EGLContext SurfaceFlinger::createGLContext(EGLDisplay display, EGLConfig config) {
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// Also create our EGLContext
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EGLint contextAttributes[] = {
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#ifdef EGL_IMG_context_priority
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#ifdef HAS_CONTEXT_PRIORITY
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#warning "using EGL_IMG_context_priority"
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EGL_CONTEXT_PRIORITY_LEVEL_IMG, EGL_CONTEXT_PRIORITY_HIGH_IMG,
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#endif
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#endif
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EGL_NONE, EGL_NONE
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};
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EGLContext ctxt = eglCreateContext(display, config, NULL, contextAttributes);
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ALOGE_IF(ctxt==EGL_NO_CONTEXT, "EGLContext creation failed");
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return ctxt;
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}
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void SurfaceFlinger::initializeGL(EGLDisplay display, EGLSurface surface) {
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EGLBoolean result = eglMakeCurrent(display, surface, surface, mEGLContext);
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if (!result) {
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ALOGE("Couldn't create a working GLES context. check logs. exiting...");
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exit(0);
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}
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GLExtensions& extensions(GLExtensions::getInstance());
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extensions.initWithGLStrings(
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glGetString(GL_VENDOR),
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glGetString(GL_RENDERER),
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glGetString(GL_VERSION),
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glGetString(GL_EXTENSIONS),
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eglQueryString(display, EGL_VENDOR),
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eglQueryString(display, EGL_VERSION),
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eglQueryString(display, EGL_EXTENSIONS));
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EGLint w, h;
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eglQuerySurface(display, surface, EGL_WIDTH, &w);
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eglQuerySurface(display, surface, EGL_HEIGHT, &h);
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glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
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glGetIntegerv(GL_MAX_VIEWPORT_DIMS, mMaxViewportDims);
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glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
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glPixelStorei(GL_PACK_ALIGNMENT, 4);
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glEnableClientState(GL_VERTEX_ARRAY);
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glShadeModel(GL_FLAT);
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glDisable(GL_DITHER);
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glDisable(GL_CULL_FACE);
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struct pack565 {
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inline uint16_t operator() (int r, int g, int b) const {
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return (r<<11)|(g<<5)|b;
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}
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} pack565;
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const uint16_t protTexData[] = { pack565(0x03, 0x03, 0x03) };
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glGenTextures(1, &mProtectedTexName);
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glBindTexture(GL_TEXTURE_2D, mProtectedTexName);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 1, 0,
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GL_RGB, GL_UNSIGNED_SHORT_5_6_5, protTexData);
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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// put the origin in the left-bottom corner
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glOrthof(0, w, 0, h, 0, 1); // l=0, r=w ; b=0, t=h
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// print some debugging info
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EGLint r,g,b,a;
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eglGetConfigAttrib(display, mEGLConfig, EGL_RED_SIZE, &r);
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eglGetConfigAttrib(display, mEGLConfig, EGL_GREEN_SIZE, &g);
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eglGetConfigAttrib(display, mEGLConfig, EGL_BLUE_SIZE, &b);
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eglGetConfigAttrib(display, mEGLConfig, EGL_ALPHA_SIZE, &a);
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ALOGI("EGL informations:");
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ALOGI("vendor : %s", extensions.getEglVendor());
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ALOGI("version : %s", extensions.getEglVersion());
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ALOGI("extensions: %s", extensions.getEglExtension());
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ALOGI("Client API: %s", eglQueryString(display, EGL_CLIENT_APIS)?:"Not Supported");
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ALOGI("EGLSurface: %d-%d-%d-%d, config=%p", r, g, b, a, mEGLConfig);
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ALOGI("OpenGL ES informations:");
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ALOGI("vendor : %s", extensions.getVendor());
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ALOGI("renderer : %s", extensions.getRenderer());
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ALOGI("version : %s", extensions.getVersion());
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ALOGI("extensions: %s", extensions.getExtension());
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ALOGI("GL_MAX_TEXTURE_SIZE = %d", mMaxTextureSize);
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ALOGI("GL_MAX_VIEWPORT_DIMS = %d x %d", mMaxViewportDims[0], mMaxViewportDims[1]);
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}
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status_t SurfaceFlinger::readyToRun()
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{
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ALOGI( "SurfaceFlinger's main thread ready to run. "
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"Initializing graphics H/W...");
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// initialize EGL
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mEGLDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglInitialize(mEGLDisplay, NULL, NULL);
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// Initialize the main display
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// create native window to main display
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sp<FramebufferSurface> fbs = FramebufferSurface::create();
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if (fbs == NULL) {
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ALOGE("Display subsystem failed to initialize. check logs. exiting...");
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exit(0);
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}
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sp<SurfaceTextureClient> stc(new SurfaceTextureClient(
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static_cast<sp<ISurfaceTexture> >(fbs->getBufferQueue())));
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// initialize the config and context
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int format;
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ANativeWindow* const anw = stc.get();
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anw->query(anw, NATIVE_WINDOW_FORMAT, &format);
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mEGLConfig = selectEGLConfig(mEGLDisplay, format);
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mEGLContext = createGLContext(mEGLDisplay, mEGLConfig);
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// initialize our main display hardware
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for (size_t i=0 ; i<DisplayDevice::DISPLAY_ID_COUNT ; i++) {
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mDefaultDisplays[i] = new BBinder();
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mCurrentState.displays.add(mDefaultDisplays[i], DisplayDeviceState(i));
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}
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sp<DisplayDevice> hw = new DisplayDevice(this,
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DisplayDevice::DISPLAY_ID_MAIN, anw, fbs, mEGLConfig);
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mDisplays.add(hw->getDisplayId(), hw);
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// initialize OpenGL ES
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EGLSurface surface = hw->getEGLSurface();
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initializeGL(mEGLDisplay, surface);
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// start the EventThread
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mEventThread = new EventThread(this);
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mEventQueue.setEventThread(mEventThread);
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// initialize the H/W composer
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mHwc = new HWComposer(this,
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*static_cast<HWComposer::EventHandler *>(this),
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fbs->getFbHal());
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// initialize our drawing state
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mDrawingState = mCurrentState;
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// We're now ready to accept clients...
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mReadyToRunBarrier.open();
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// start boot animation
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startBootAnim();
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return NO_ERROR;
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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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uint32_t SurfaceFlinger::getMaxTextureSize() const {
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return mMaxTextureSize;
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}
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uint32_t SurfaceFlinger::getMaxViewportDims() const {
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return mMaxViewportDims[0] < mMaxViewportDims[1] ?
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mMaxViewportDims[0] : mMaxViewportDims[1];
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}
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// ----------------------------------------------------------------------------
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bool SurfaceFlinger::authenticateSurfaceTexture(
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const sp<ISurfaceTexture>& surfaceTexture) const {
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Mutex::Autolock _l(mStateLock);
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sp<IBinder> surfaceTextureBinder(surfaceTexture->asBinder());
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// Check the visible layer list for the ISurface
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const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
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size_t count = currentLayers.size();
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for (size_t i=0 ; i<count ; i++) {
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const sp<LayerBase>& layer(currentLayers[i]);
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sp<LayerBaseClient> lbc(layer->getLayerBaseClient());
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if (lbc != NULL) {
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wp<IBinder> lbcBinder = lbc->getSurfaceTextureBinder();
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if (lbcBinder == surfaceTextureBinder) {
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return true;
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}
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}
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}
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// Check the layers in the purgatory. This check is here so that if a
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// SurfaceTexture gets destroyed before all the clients are done using it,
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// the error will not be reported as "surface XYZ is not authenticated", but
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// will instead fail later on when the client tries to use the surface,
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// which should be reported as "surface XYZ returned an -ENODEV". The
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// purgatorized layers are no less authentic than the visible ones, so this
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// should not cause any harm.
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size_t purgatorySize = mLayerPurgatory.size();
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for (size_t i=0 ; i<purgatorySize ; i++) {
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const sp<LayerBase>& layer(mLayerPurgatory.itemAt(i));
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|
sp<LayerBaseClient> lbc(layer->getLayerBaseClient());
|
|
if (lbc != NULL) {
|
|
wp<IBinder> lbcBinder = lbc->getSurfaceTextureBinder();
|
|
if (lbcBinder == surfaceTextureBinder) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
status_t SurfaceFlinger::getDisplayInfo(DisplayID dpy, DisplayInfo* info) {
|
|
// TODO: this is here only for compatibility -- should go away eventually.
|
|
if (uint32_t(dpy) >= 1) {
|
|
return BAD_INDEX;
|
|
}
|
|
|
|
const HWComposer& hwc(getHwComposer());
|
|
float xdpi = hwc.getDpiX();
|
|
float ydpi = hwc.getDpiY();
|
|
|
|
// 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"); }
|
|
};
|
|
// 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;
|
|
}
|
|
|
|
sp<const DisplayDevice> hw(getDefaultDisplayDevice());
|
|
info->w = hw->getWidth();
|
|
info->h = hw->getHeight();
|
|
info->xdpi = xdpi;
|
|
info->ydpi = ydpi;
|
|
info->fps = float(1e9 / hwc.getRefreshPeriod());
|
|
info->density = density;
|
|
info->orientation = hw->getOrientation();
|
|
// TODO: this needs to go away (currently needed only by webkit)
|
|
getPixelFormatInfo(hw->getFormat(), &info->pixelFormatInfo);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection() {
|
|
return mEventThread->createEventConnection();
|
|
}
|
|
|
|
void SurfaceFlinger::connectDisplay(const sp<ISurfaceTexture> surface) {
|
|
|
|
sp<IBinder> token;
|
|
{ // scope for the lock
|
|
Mutex::Autolock _l(mStateLock);
|
|
token = mExtDisplayToken;
|
|
}
|
|
|
|
if (token == 0) {
|
|
token = createDisplay();
|
|
}
|
|
|
|
{ // scope for the lock
|
|
Mutex::Autolock _l(mStateLock);
|
|
if (surface == 0) {
|
|
// release our current display. we're guarantee to have
|
|
// a reference to it (token), while we hold the lock
|
|
mExtDisplayToken = 0;
|
|
} else {
|
|
mExtDisplayToken = token;
|
|
}
|
|
|
|
DisplayDeviceState& info(mCurrentState.displays.editValueFor(token));
|
|
info.surface = surface;
|
|
setTransactionFlags(eDisplayTransactionNeeded);
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
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;
|
|
}
|
|
|
|
bool SurfaceFlinger::threadLoop() {
|
|
waitForEvent();
|
|
return true;
|
|
}
|
|
|
|
void SurfaceFlinger::onVSyncReceived(int dpy, nsecs_t timestamp) {
|
|
mEventThread->onVSyncReceived(dpy, timestamp);
|
|
}
|
|
|
|
void SurfaceFlinger::eventControl(int event, int enabled) {
|
|
getHwComposer().eventControl(event, enabled);
|
|
}
|
|
|
|
void SurfaceFlinger::onMessageReceived(int32_t what) {
|
|
ATRACE_CALL();
|
|
switch (what) {
|
|
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->canDraw()) {
|
|
// 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
|
|
glDisable(GL_TEXTURE_EXTERNAL_OES);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glDisable(GL_BLEND);
|
|
glColor4f(1, 0, 1, 1);
|
|
const int32_t height = hw->getHeight();
|
|
Region::const_iterator it = dirtyRegion.begin();
|
|
Region::const_iterator const end = dirtyRegion.end();
|
|
while (it != end) {
|
|
const Rect& r = *it++;
|
|
GLfloat vertices[][2] = {
|
|
{ r.left, height - r.top },
|
|
{ r.left, height - r.bottom },
|
|
{ r.right, height - r.bottom },
|
|
{ r.right, height - r.top }
|
|
};
|
|
glVertexPointer(2, GL_FLOAT, 0, vertices);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
}
|
|
hw->compositionComplete();
|
|
// FIXME
|
|
if (hw->getDisplayId() >= DisplayDevice::DISPLAY_ID_COUNT) {
|
|
eglSwapBuffers(mEGLDisplay, hw->getEGLSurface());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
postFramebuffer();
|
|
|
|
if (mDebugRegion > 1) {
|
|
usleep(mDebugRegion * 1000);
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::preComposition()
|
|
{
|
|
bool needExtraInvalidate = false;
|
|
const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
|
|
const size_t count = currentLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
if (currentLayers[i]->onPreComposition()) {
|
|
needExtraInvalidate = true;
|
|
}
|
|
}
|
|
if (needExtraInvalidate) {
|
|
signalLayerUpdate();
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::postComposition()
|
|
{
|
|
const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
|
|
const size_t count = currentLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
currentLayers[i]->onPostComposition();
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::rebuildLayerStacks() {
|
|
// rebuild the visible layer list per screen
|
|
if (CC_UNLIKELY(mVisibleRegionsDirty)) {
|
|
ATRACE_CALL();
|
|
mVisibleRegionsDirty = false;
|
|
invalidateHwcGeometry();
|
|
const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
const sp<DisplayDevice>& hw(mDisplays[dpy]);
|
|
Region opaqueRegion;
|
|
Region dirtyRegion;
|
|
computeVisibleRegions(currentLayers,
|
|
hw->getLayerStack(), dirtyRegion, opaqueRegion);
|
|
hw->dirtyRegion.orSelf(dirtyRegion);
|
|
|
|
Vector< sp<LayerBase> > layersSortedByZ;
|
|
const size_t count = currentLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const Layer::State& s(currentLayers[i]->drawingState());
|
|
if (s.layerStack == hw->getLayerStack()) {
|
|
if (!currentLayers[i]->visibleRegion.isEmpty()) {
|
|
layersSortedByZ.add(currentLayers[i]);
|
|
}
|
|
}
|
|
}
|
|
hw->setVisibleLayersSortedByZ(layersSortedByZ);
|
|
hw->undefinedRegion.set(hw->getBounds());
|
|
hw->undefinedRegion.subtractSelf(
|
|
hw->getTransform().transform(opaqueRegion));
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::setUpHWComposer() {
|
|
HWComposer& hwc(getHwComposer());
|
|
if (hwc.initCheck() == NO_ERROR) {
|
|
// build the h/w work list
|
|
const bool workListsDirty = mHwWorkListDirty;
|
|
mHwWorkListDirty = false;
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
const Vector< sp<LayerBase> >& currentLayers(
|
|
hw->getVisibleLayersSortedByZ());
|
|
const size_t count = currentLayers.size();
|
|
|
|
const int32_t id = hw->getDisplayId();
|
|
if (hwc.createWorkList(id, count) >= 0) {
|
|
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<LayerBase>& layer(currentLayers[i]);
|
|
|
|
if (CC_UNLIKELY(workListsDirty)) {
|
|
layer->setGeometry(hw, *cur);
|
|
if (mDebugDisableHWC || mDebugRegion) {
|
|
cur->setSkip(true);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* update the per-frame h/w composer data for each layer
|
|
* and build the transparent region of the FB
|
|
*/
|
|
layer->setPerFrameData(hw, *cur);
|
|
}
|
|
}
|
|
}
|
|
status_t err = hwc.prepare();
|
|
ALOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err));
|
|
}
|
|
}
|
|
|
|
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->canDraw()) {
|
|
// transform the dirty region into this screen's coordinate space
|
|
const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
|
|
if (!dirtyRegion.isEmpty()) {
|
|
// 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) {
|
|
// FIXME: eventually commit() won't take arguments
|
|
// FIXME: EGL spec says:
|
|
// "surface must be bound to the calling thread's current context,
|
|
// for the current rendering API."
|
|
DisplayDevice::makeCurrent(
|
|
getDisplayDevice(DisplayDevice::DISPLAY_ID_MAIN), mEGLContext);
|
|
hwc.commit(mEGLDisplay, getDefaultDisplayDevice()->getEGLSurface());
|
|
}
|
|
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
sp<const DisplayDevice> hw(mDisplays[dpy]);
|
|
const Vector< sp<LayerBase> >& currentLayers(hw->getVisibleLayersSortedByZ());
|
|
const size_t count = currentLayers.size();
|
|
if (hwc.initCheck() == NO_ERROR) {
|
|
int32_t id = hw->getDisplayId();
|
|
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;
|
|
}
|
|
|
|
void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
|
|
{
|
|
ATRACE_CALL();
|
|
|
|
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<LayerBase>& layer = currentLayers[i];
|
|
uint32_t trFlags = layer->getTransactionFlags(eTransactionNeeded);
|
|
if (!trFlags) continue;
|
|
|
|
const uint32_t flags = layer->doTransaction(0);
|
|
if (flags & Layer::eVisibleRegion)
|
|
mVisibleRegionsDirty = true;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Perform 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();
|
|
const 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].id != DisplayDevice::DISPLAY_ID_MAIN) {
|
|
mDisplays.removeItem(draw[i].id);
|
|
} else {
|
|
ALOGW("trying to remove the main display");
|
|
}
|
|
} else {
|
|
// this display is in both lists. see if something changed.
|
|
const DisplayDeviceState& state(curr[j]);
|
|
if (state.surface->asBinder() != draw[i].surface->asBinder()) {
|
|
// changing the surface is like destroying and
|
|
// recreating the DisplayDevice
|
|
|
|
sp<SurfaceTextureClient> stc(
|
|
new SurfaceTextureClient(state.surface));
|
|
|
|
sp<DisplayDevice> disp = new DisplayDevice(this,
|
|
state.id, stc, 0, mEGLConfig);
|
|
|
|
disp->setLayerStack(state.layerStack);
|
|
disp->setOrientation(state.orientation);
|
|
// TODO: take viewport and frame into account
|
|
mDisplays.replaceValueFor(state.id, disp);
|
|
}
|
|
if (state.layerStack != draw[i].layerStack) {
|
|
const sp<DisplayDevice>& disp(getDisplayDevice(state.id));
|
|
disp->setLayerStack(state.layerStack);
|
|
}
|
|
if (state.orientation != draw[i].orientation ||
|
|
state.viewport != draw[i].viewport ||
|
|
state.frame != draw[i].frame) {
|
|
const sp<DisplayDevice>& disp(getDisplayDevice(state.id));
|
|
disp->setOrientation(state.orientation);
|
|
// TODO: take viewport and frame into account
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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<SurfaceTextureClient> stc(
|
|
new SurfaceTextureClient(state.surface));
|
|
sp<DisplayDevice> disp = new DisplayDevice(this, state.id,
|
|
stc, 0, mEGLConfig);
|
|
mDisplays.add(state.id, disp);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Perform our own transaction if needed
|
|
*/
|
|
|
|
const LayerVector& previousLayers(mDrawingState.layersSortedByZ);
|
|
if (currentLayers.size() > previousLayers.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 = previousLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(previousLayers[i]);
|
|
if (currentLayers.indexOf(layer) < 0) {
|
|
// this layer is not visible anymore
|
|
// TODO: we could traverse the tree from front to back and
|
|
// compute the actual visible region
|
|
// TODO: we could cache the transformed region
|
|
Layer::State front(layer->drawingState());
|
|
Region visibleReg = front.transform.transform(
|
|
Region(Rect(front.active.w, front.active.h)));
|
|
invalidateLayerStack(front.layerStack, visibleReg);
|
|
}
|
|
}
|
|
}
|
|
|
|
commitTransaction();
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
mDrawingState = mCurrentState;
|
|
mTransationPending = 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<LayerBase>& layer = currentLayers[i];
|
|
|
|
// start with the whole surface at its current location
|
|
const Layer::State& s(layer->drawingState());
|
|
|
|
// only consider the layers on the given later 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;
|
|
|
|
|
|
// handle hidden surfaces by setting the visible region to empty
|
|
if (CC_LIKELY(!(s.flags & layer_state_t::eLayerHidden) && s.alpha)) {
|
|
const bool translucent = !layer->isOpaque();
|
|
Rect bounds(layer->computeBounds());
|
|
visibleRegion.set(bounds);
|
|
if (!visibleRegion.isEmpty()) {
|
|
// Remove the transparent area from the visible region
|
|
if (translucent) {
|
|
Region transparentRegionScreen;
|
|
const Transform tr(s.transform);
|
|
if (tr.transformed()) {
|
|
if (tr.preserveRects()) {
|
|
// transform the transparent region
|
|
transparentRegionScreen = tr.transform(s.transparentRegion);
|
|
} else {
|
|
// transformation too complex, can't do the
|
|
// transparent region optimization.
|
|
transparentRegionScreen.clear();
|
|
}
|
|
} else {
|
|
transparentRegionScreen = s.transparentRegion;
|
|
}
|
|
visibleRegion.subtractSelf(transparentRegionScreen);
|
|
}
|
|
|
|
// 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 is screen space
|
|
layer->setVisibleRegion(visibleRegion);
|
|
layer->setCoveredRegion(coveredRegion);
|
|
}
|
|
|
|
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& currentLayers(mDrawingState.layersSortedByZ);
|
|
const size_t count = currentLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(currentLayers[i]);
|
|
const Region dirty(layer->latchBuffer(visibleRegions));
|
|
Layer::State s(layer->drawingState());
|
|
invalidateLayerStack(s.layerStack, dirty);
|
|
}
|
|
|
|
mVisibleRegionsDirty |= visibleRegions;
|
|
}
|
|
|
|
void SurfaceFlinger::invalidateHwcGeometry()
|
|
{
|
|
mHwWorkListDirty = true;
|
|
}
|
|
|
|
|
|
void SurfaceFlinger::doDisplayComposition(const sp<const DisplayDevice>& hw,
|
|
const Region& inDirtyRegion)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
doComposeSurfaces(hw, dirtyRegion);
|
|
|
|
// FIXME: we need to call eglSwapBuffers() on displays that have
|
|
// GL composition and only on those.
|
|
// however, currently hwc.commit() already does that for the main
|
|
// display and never for the other ones
|
|
if (hw->getDisplayId() >= DisplayDevice::DISPLAY_ID_COUNT) {
|
|
// FIXME: EGL spec says:
|
|
// "surface must be bound to the calling thread's current context,
|
|
// for the current rendering API."
|
|
eglSwapBuffers(mEGLDisplay, hw->getEGLSurface());
|
|
}
|
|
|
|
// update the swap region and clear the dirty region
|
|
hw->swapRegion.orSelf(dirtyRegion);
|
|
}
|
|
|
|
void SurfaceFlinger::doComposeSurfaces(const sp<const DisplayDevice>& hw, const Region& dirty)
|
|
{
|
|
HWComposer& hwc(getHwComposer());
|
|
int32_t id = hw->getDisplayId();
|
|
HWComposer::LayerListIterator cur = hwc.begin(id);
|
|
const HWComposer::LayerListIterator end = hwc.end(id);
|
|
|
|
const size_t fbLayerCount = hwc.getLayerCount(id, HWC_FRAMEBUFFER);
|
|
if (cur==end || fbLayerCount) {
|
|
|
|
DisplayDevice::makeCurrent(hw, mEGLContext);
|
|
|
|
// set the frame buffer
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
// Never touch the framebuffer if we don't have any framebuffer layers
|
|
if (hwc.getLayerCount(id, HWC_OVERLAY)) {
|
|
// 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" glClear might be more efficient.
|
|
// We'll revisit later if needed.
|
|
glClearColor(0, 0, 0, 0);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
} else {
|
|
const Region region(hw->undefinedRegion.intersect(dirty));
|
|
// screen is already cleared here
|
|
if (!region.isEmpty()) {
|
|
// can happen with SurfaceView
|
|
drawWormhole(region);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* and then, render the layers targeted at the framebuffer
|
|
*/
|
|
|
|
const Vector< sp<LayerBase> >& layers(hw->getVisibleLayersSortedByZ());
|
|
const size_t count = layers.size();
|
|
const Transform& tr = hw->getTransform();
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
const Region clip(dirty.intersect(tr.transform(layer->visibleRegion)));
|
|
if (cur != end) {
|
|
// we're using h/w composer
|
|
if (!clip.isEmpty()) {
|
|
if (cur->getCompositionType() == HWC_OVERLAY) {
|
|
if (i && (cur->getHints() & HWC_HINT_CLEAR_FB)
|
|
&& layer->isOpaque()) {
|
|
// never clear the very first layer since we're
|
|
// guaranteed the FB is already cleared
|
|
layer->clearWithOpenGL(hw, clip);
|
|
}
|
|
} else {
|
|
layer->draw(hw, clip);
|
|
}
|
|
layer->setAcquireFence(hw, *cur);
|
|
}
|
|
++cur;
|
|
} else {
|
|
// we're not using h/w composer
|
|
if (!clip.isEmpty()) {
|
|
layer->draw(hw, clip);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::drawWormhole(const Region& region) const
|
|
{
|
|
glDisable(GL_TEXTURE_EXTERNAL_OES);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glDisable(GL_BLEND);
|
|
glColor4f(0,0,0,0);
|
|
|
|
GLfloat vertices[4][2];
|
|
glVertexPointer(2, GL_FLOAT, 0, vertices);
|
|
Region::const_iterator it = region.begin();
|
|
Region::const_iterator const end = region.end();
|
|
while (it != end) {
|
|
const Rect& r = *it++;
|
|
vertices[0][0] = r.left;
|
|
vertices[0][1] = r.top;
|
|
vertices[1][0] = r.right;
|
|
vertices[1][1] = r.top;
|
|
vertices[2][0] = r.right;
|
|
vertices[2][1] = r.bottom;
|
|
vertices[3][0] = r.left;
|
|
vertices[3][1] = r.bottom;
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
}
|
|
}
|
|
|
|
ssize_t SurfaceFlinger::addClientLayer(const sp<Client>& client,
|
|
const sp<LayerBaseClient>& lbc)
|
|
{
|
|
// attach this layer to the client
|
|
size_t name = client->attachLayer(lbc);
|
|
|
|
// add this layer to the current state list
|
|
Mutex::Autolock _l(mStateLock);
|
|
mCurrentState.layersSortedByZ.add(lbc);
|
|
|
|
return ssize_t(name);
|
|
}
|
|
|
|
status_t SurfaceFlinger::removeLayer(const sp<LayerBase>& layer)
|
|
{
|
|
Mutex::Autolock _l(mStateLock);
|
|
status_t err = purgatorizeLayer_l(layer);
|
|
if (err == NO_ERROR)
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return err;
|
|
}
|
|
|
|
status_t SurfaceFlinger::removeLayer_l(const sp<LayerBase>& layerBase)
|
|
{
|
|
ssize_t index = mCurrentState.layersSortedByZ.remove(layerBase);
|
|
if (index >= 0) {
|
|
mLayersRemoved = true;
|
|
return NO_ERROR;
|
|
}
|
|
return status_t(index);
|
|
}
|
|
|
|
status_t SurfaceFlinger::purgatorizeLayer_l(const sp<LayerBase>& layerBase)
|
|
{
|
|
// First add the layer to the purgatory list, which makes sure it won't
|
|
// go away, then remove it from the main list (through a transaction).
|
|
ssize_t err = removeLayer_l(layerBase);
|
|
if (err >= 0) {
|
|
mLayerPurgatory.add(layerBase);
|
|
}
|
|
|
|
mLayersPendingRemoval.push(layerBase);
|
|
|
|
// it's possible that we don't find a layer, because it might
|
|
// have been destroyed already -- this is not technically an error
|
|
// from the user because there is a race between Client::destroySurface(),
|
|
// ~Client() and ~ISurface().
|
|
return (err == NAME_NOT_FOUND) ? status_t(NO_ERROR) : err;
|
|
}
|
|
|
|
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)
|
|
{
|
|
Mutex::Autolock _l(mStateLock);
|
|
uint32_t transactionFlags = 0;
|
|
|
|
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]);
|
|
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) {
|
|
mTransationPending = true;
|
|
}
|
|
while (mTransationPending) {
|
|
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, "closeGlobalTransaction timed out!");
|
|
mTransationPending = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t SurfaceFlinger::setDisplayStateLocked(const DisplayState& s)
|
|
{
|
|
uint32_t flags = 0;
|
|
DisplayDeviceState& disp(mCurrentState.displays.editValueFor(s.token));
|
|
if (disp.id >= 0) {
|
|
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::eOrientationChanged) {
|
|
if (disp.orientation != s.orientation) {
|
|
disp.orientation = s.orientation;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
}
|
|
if (what & DisplayState::eFrameChanged) {
|
|
if (disp.frame != s.frame) {
|
|
disp.frame = s.frame;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
}
|
|
if (what & DisplayState::eViewportChanged) {
|
|
if (disp.viewport != s.viewport) {
|
|
disp.viewport = s.viewport;
|
|
flags |= eDisplayTransactionNeeded;
|
|
}
|
|
}
|
|
}
|
|
return flags;
|
|
}
|
|
|
|
uint32_t SurfaceFlinger::setClientStateLocked(
|
|
const sp<Client>& client,
|
|
const layer_state_t& s)
|
|
{
|
|
uint32_t flags = 0;
|
|
sp<LayerBaseClient> layer(client->getLayerUser(s.surface));
|
|
if (layer != 0) {
|
|
const uint32_t what = s.what;
|
|
if (what & 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) {
|
|
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;
|
|
}
|
|
|
|
sp<ISurface> SurfaceFlinger::createLayer(
|
|
ISurfaceComposerClient::surface_data_t* params,
|
|
const String8& name,
|
|
const sp<Client>& client,
|
|
DisplayID d, uint32_t w, uint32_t h, PixelFormat format,
|
|
uint32_t flags)
|
|
{
|
|
sp<LayerBaseClient> layer;
|
|
sp<ISurface> surfaceHandle;
|
|
|
|
if (int32_t(w|h) < 0) {
|
|
ALOGE("createLayer() failed, w or h is negative (w=%d, h=%d)",
|
|
int(w), int(h));
|
|
return surfaceHandle;
|
|
}
|
|
|
|
//ALOGD("createLayer for (%d x %d), name=%s", w, h, name.string());
|
|
switch (flags & ISurfaceComposerClient::eFXSurfaceMask) {
|
|
case ISurfaceComposerClient::eFXSurfaceNormal:
|
|
layer = createNormalLayer(client, d, w, h, flags, format);
|
|
break;
|
|
case ISurfaceComposerClient::eFXSurfaceBlur:
|
|
case ISurfaceComposerClient::eFXSurfaceDim:
|
|
layer = createDimLayer(client, d, w, h, flags);
|
|
break;
|
|
case ISurfaceComposerClient::eFXSurfaceScreenshot:
|
|
layer = createScreenshotLayer(client, d, w, h, flags);
|
|
break;
|
|
}
|
|
|
|
if (layer != 0) {
|
|
layer->initStates(w, h, flags);
|
|
layer->setName(name);
|
|
ssize_t token = addClientLayer(client, layer);
|
|
surfaceHandle = layer->getSurface();
|
|
if (surfaceHandle != 0) {
|
|
params->token = token;
|
|
params->identity = layer->getIdentity();
|
|
}
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
|
|
return surfaceHandle;
|
|
}
|
|
|
|
sp<Layer> SurfaceFlinger::createNormalLayer(
|
|
const sp<Client>& client, DisplayID display,
|
|
uint32_t w, uint32_t h, uint32_t flags,
|
|
PixelFormat& format)
|
|
{
|
|
// initialize the surfaces
|
|
switch (format) {
|
|
case PIXEL_FORMAT_TRANSPARENT:
|
|
case PIXEL_FORMAT_TRANSLUCENT:
|
|
format = PIXEL_FORMAT_RGBA_8888;
|
|
break;
|
|
case PIXEL_FORMAT_OPAQUE:
|
|
#ifdef NO_RGBX_8888
|
|
format = PIXEL_FORMAT_RGB_565;
|
|
#else
|
|
format = PIXEL_FORMAT_RGBX_8888;
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
#ifdef NO_RGBX_8888
|
|
if (format == PIXEL_FORMAT_RGBX_8888)
|
|
format = PIXEL_FORMAT_RGBA_8888;
|
|
#endif
|
|
|
|
sp<Layer> layer = new Layer(this, display, client);
|
|
status_t err = layer->setBuffers(w, h, format, flags);
|
|
if (CC_LIKELY(err != NO_ERROR)) {
|
|
ALOGE("createNormalLayer() failed (%s)", strerror(-err));
|
|
layer.clear();
|
|
}
|
|
return layer;
|
|
}
|
|
|
|
sp<LayerDim> SurfaceFlinger::createDimLayer(
|
|
const sp<Client>& client, DisplayID display,
|
|
uint32_t w, uint32_t h, uint32_t flags)
|
|
{
|
|
sp<LayerDim> layer = new LayerDim(this, display, client);
|
|
return layer;
|
|
}
|
|
|
|
sp<LayerScreenshot> SurfaceFlinger::createScreenshotLayer(
|
|
const sp<Client>& client, DisplayID display,
|
|
uint32_t w, uint32_t h, uint32_t flags)
|
|
{
|
|
sp<LayerScreenshot> layer = new LayerScreenshot(this, display, client);
|
|
return layer;
|
|
}
|
|
|
|
status_t SurfaceFlinger::onLayerRemoved(const sp<Client>& client, SurfaceID sid)
|
|
{
|
|
/*
|
|
* called by the window manager, when a surface should be marked for
|
|
* destruction.
|
|
*
|
|
* The surface is removed from the current and drawing lists, but placed
|
|
* in the purgatory queue, so it's not destroyed right-away (we need
|
|
* to wait for all client's references to go away first).
|
|
*/
|
|
|
|
status_t err = NAME_NOT_FOUND;
|
|
Mutex::Autolock _l(mStateLock);
|
|
sp<LayerBaseClient> layer = client->getLayerUser(sid);
|
|
|
|
if (layer != 0) {
|
|
err = purgatorizeLayer_l(layer);
|
|
if (err == NO_ERROR) {
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
status_t SurfaceFlinger::onLayerDestroyed(const wp<LayerBaseClient>& layer)
|
|
{
|
|
// called by ~ISurface() when all references are gone
|
|
status_t err = NO_ERROR;
|
|
sp<LayerBaseClient> l(layer.promote());
|
|
if (l != NULL) {
|
|
Mutex::Autolock _l(mStateLock);
|
|
err = removeLayer_l(l);
|
|
if (err == NAME_NOT_FOUND) {
|
|
// The surface wasn't in the current list, which means it was
|
|
// removed already, which means it is in the purgatory,
|
|
// and need to be removed from there.
|
|
ssize_t idx = mLayerPurgatory.remove(l);
|
|
ALOGE_IF(idx < 0,
|
|
"layer=%p is not in the purgatory list", l.get());
|
|
}
|
|
ALOGE_IF(err<0 && err != NAME_NOT_FOUND,
|
|
"error removing layer=%p (%s)", l.get(), strerror(-err));
|
|
}
|
|
return err;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
void SurfaceFlinger::onScreenAcquired() {
|
|
ALOGD("Screen about to return, flinger = %p", this);
|
|
sp<const DisplayDevice> hw(getDefaultDisplayDevice()); // XXX: this should be per DisplayDevice
|
|
getHwComposer().acquire();
|
|
hw->acquireScreen();
|
|
mEventThread->onScreenAcquired();
|
|
mVisibleRegionsDirty = true;
|
|
repaintEverything();
|
|
}
|
|
|
|
void SurfaceFlinger::onScreenReleased() {
|
|
ALOGD("About to give-up screen, flinger = %p", this);
|
|
sp<const DisplayDevice> hw(getDefaultDisplayDevice()); // XXX: this should be per DisplayDevice
|
|
if (hw->isScreenAcquired()) {
|
|
mEventThread->onScreenReleased();
|
|
hw->releaseScreen();
|
|
getHwComposer().release();
|
|
// from this point on, SF will stop drawing
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::unblank() {
|
|
class MessageScreenAcquired : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
public:
|
|
MessageScreenAcquired(SurfaceFlinger* flinger) : flinger(flinger) { }
|
|
virtual bool handler() {
|
|
flinger->onScreenAcquired();
|
|
return true;
|
|
}
|
|
};
|
|
sp<MessageBase> msg = new MessageScreenAcquired(this);
|
|
postMessageSync(msg);
|
|
}
|
|
|
|
void SurfaceFlinger::blank() {
|
|
class MessageScreenReleased : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
public:
|
|
MessageScreenReleased(SurfaceFlinger* flinger) : flinger(flinger) { }
|
|
virtual bool handler() {
|
|
flinger->onScreenReleased();
|
|
return true;
|
|
}
|
|
};
|
|
sp<MessageBase> msg = new MessageScreenReleased(this);
|
|
postMessageSync(msg);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
|
|
{
|
|
const size_t SIZE = 4096;
|
|
char buffer[SIZE];
|
|
String8 result;
|
|
|
|
if (!PermissionCache::checkCallingPermission(sDump)) {
|
|
snprintf(buffer, SIZE, "Permission Denial: "
|
|
"can't dump SurfaceFlinger from pid=%d, uid=%d\n",
|
|
IPCThreadState::self()->getCallingPid(),
|
|
IPCThreadState::self()->getCallingUid());
|
|
result.append(buffer);
|
|
} else {
|
|
// Try to get the main lock, but don't insist if we can't
|
|
// (this would indicate SF is stuck, but we want to be able to
|
|
// print something in dumpsys).
|
|
int retry = 3;
|
|
while (mStateLock.tryLock()<0 && --retry>=0) {
|
|
usleep(1000000);
|
|
}
|
|
const bool locked(retry >= 0);
|
|
if (!locked) {
|
|
snprintf(buffer, SIZE,
|
|
"SurfaceFlinger appears to be unresponsive, "
|
|
"dumping anyways (no locks held)\n");
|
|
result.append(buffer);
|
|
}
|
|
|
|
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, buffer, SIZE);
|
|
dumpAll = false;
|
|
}
|
|
|
|
if ((index < numArgs) &&
|
|
(args[index] == String16("--latency"))) {
|
|
index++;
|
|
dumpStatsLocked(args, index, result, buffer, SIZE);
|
|
dumpAll = false;
|
|
}
|
|
|
|
if ((index < numArgs) &&
|
|
(args[index] == String16("--latency-clear"))) {
|
|
index++;
|
|
clearStatsLocked(args, index, result, buffer, SIZE);
|
|
dumpAll = false;
|
|
}
|
|
}
|
|
|
|
if (dumpAll) {
|
|
dumpAllLocked(result, buffer, SIZE);
|
|
}
|
|
|
|
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, char* buffer, size_t SIZE) const
|
|
{
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
const size_t count = currentLayers.size();
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(currentLayers[i]);
|
|
snprintf(buffer, SIZE, "%s\n", layer->getName().string());
|
|
result.append(buffer);
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::dumpStatsLocked(const Vector<String16>& args, size_t& index,
|
|
String8& result, char* buffer, size_t SIZE) const
|
|
{
|
|
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<LayerBase>& layer(currentLayers[i]);
|
|
if (name.isEmpty()) {
|
|
snprintf(buffer, SIZE, "%s\n", layer->getName().string());
|
|
result.append(buffer);
|
|
}
|
|
if (name.isEmpty() || (name == layer->getName())) {
|
|
layer->dumpStats(result, buffer, SIZE);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::clearStatsLocked(const Vector<String16>& args, size_t& index,
|
|
String8& result, char* buffer, size_t SIZE) const
|
|
{
|
|
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<LayerBase>& layer(currentLayers[i]);
|
|
if (name.isEmpty() || (name == layer->getName())) {
|
|
layer->clearStats();
|
|
}
|
|
}
|
|
}
|
|
|
|
void SurfaceFlinger::dumpAllLocked(
|
|
String8& result, char* buffer, size_t SIZE) const
|
|
{
|
|
// 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 the visible layer list
|
|
*/
|
|
const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
|
|
const size_t count = currentLayers.size();
|
|
snprintf(buffer, SIZE, "Visible layers (count = %d)\n", count);
|
|
result.append(buffer);
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
const sp<LayerBase>& layer(currentLayers[i]);
|
|
layer->dump(result, buffer, SIZE);
|
|
}
|
|
|
|
/*
|
|
* Dump the layers in the purgatory
|
|
*/
|
|
|
|
const size_t purgatorySize = mLayerPurgatory.size();
|
|
snprintf(buffer, SIZE, "Purgatory state (%d entries)\n", purgatorySize);
|
|
result.append(buffer);
|
|
for (size_t i=0 ; i<purgatorySize ; i++) {
|
|
const sp<LayerBase>& layer(mLayerPurgatory.itemAt(i));
|
|
layer->shortDump(result, buffer, SIZE);
|
|
}
|
|
|
|
/*
|
|
* Dump Display state
|
|
*/
|
|
|
|
for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
|
|
const sp<const DisplayDevice>& hw(mDisplays[dpy]);
|
|
snprintf(buffer, SIZE,
|
|
"+ DisplayDevice[%u]\n"
|
|
" id=%x, layerStack=%u, (%4dx%4d), orient=%2d, tr=%08x, "
|
|
"flips=%u, secure=%d, numLayers=%u\n",
|
|
dpy,
|
|
hw->getDisplayId(), hw->getLayerStack(),
|
|
hw->getWidth(), hw->getHeight(),
|
|
hw->getOrientation(), hw->getTransform().getType(),
|
|
hw->getPageFlipCount(),
|
|
hw->getSecureLayerVisible(),
|
|
hw->getVisibleLayersSortedByZ().size());
|
|
result.append(buffer);
|
|
}
|
|
|
|
/*
|
|
* Dump SurfaceFlinger global state
|
|
*/
|
|
|
|
snprintf(buffer, SIZE, "SurfaceFlinger global state:\n");
|
|
result.append(buffer);
|
|
|
|
HWComposer& hwc(getHwComposer());
|
|
sp<const DisplayDevice> hw(getDefaultDisplayDevice());
|
|
const GLExtensions& extensions(GLExtensions::getInstance());
|
|
snprintf(buffer, SIZE, "GLES: %s, %s, %s\n",
|
|
extensions.getVendor(),
|
|
extensions.getRenderer(),
|
|
extensions.getVersion());
|
|
result.append(buffer);
|
|
|
|
snprintf(buffer, SIZE, "EGL : %s\n",
|
|
eglQueryString(mEGLDisplay, EGL_VERSION_HW_ANDROID));
|
|
result.append(buffer);
|
|
|
|
snprintf(buffer, SIZE, "EXTS: %s\n", extensions.getExtension());
|
|
result.append(buffer);
|
|
|
|
hw->undefinedRegion.dump(result, "undefinedRegion");
|
|
snprintf(buffer, SIZE,
|
|
" orientation=%d, canDraw=%d\n",
|
|
hw->getOrientation(), hw->canDraw());
|
|
result.append(buffer);
|
|
snprintf(buffer, SIZE,
|
|
" 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",
|
|
mLastSwapBufferTime/1000.0,
|
|
mLastTransactionTime/1000.0,
|
|
mTransactionFlags,
|
|
1e9 / hwc.getRefreshPeriod(),
|
|
hwc.getDpiX(),
|
|
hwc.getDpiY());
|
|
result.append(buffer);
|
|
|
|
snprintf(buffer, SIZE, " eglSwapBuffers time: %f us\n",
|
|
inSwapBuffersDuration/1000.0);
|
|
result.append(buffer);
|
|
|
|
snprintf(buffer, SIZE, " transaction time: %f us\n",
|
|
inTransactionDuration/1000.0);
|
|
result.append(buffer);
|
|
|
|
/*
|
|
* VSYNC state
|
|
*/
|
|
mEventThread->dump(result, buffer, SIZE);
|
|
|
|
/*
|
|
* Dump HWComposer state
|
|
*/
|
|
snprintf(buffer, SIZE, "h/w composer state:\n");
|
|
result.append(buffer);
|
|
snprintf(buffer, SIZE, " h/w composer %s and %s\n",
|
|
hwc.initCheck()==NO_ERROR ? "present" : "not present",
|
|
(mDebugDisableHWC || mDebugRegion) ? "disabled" : "enabled");
|
|
result.append(buffer);
|
|
hwc.dump(result, buffer, SIZE, hw->getVisibleLayersSortedByZ());
|
|
|
|
/*
|
|
* Dump gralloc state
|
|
*/
|
|
const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
|
|
alloc.dump(result);
|
|
hw->dump(result);
|
|
}
|
|
|
|
status_t SurfaceFlinger::onTransact(
|
|
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
|
|
{
|
|
switch (code) {
|
|
case CREATE_CONNECTION:
|
|
case SET_TRANSACTION_STATE:
|
|
case BOOT_FINISHED:
|
|
case BLANK:
|
|
case UNBLANK:
|
|
{
|
|
// 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;
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
void SurfaceFlinger::repaintEverything() {
|
|
android_atomic_or(1, &mRepaintEverything);
|
|
signalTransaction();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::renderScreenToTexture(DisplayID dpy,
|
|
GLuint* textureName, GLfloat* uOut, GLfloat* vOut)
|
|
{
|
|
Mutex::Autolock _l(mStateLock);
|
|
return renderScreenToTextureLocked(dpy, textureName, uOut, vOut);
|
|
}
|
|
|
|
status_t SurfaceFlinger::renderScreenToTextureLocked(DisplayID dpy,
|
|
GLuint* textureName, GLfloat* uOut, GLfloat* vOut)
|
|
{
|
|
ATRACE_CALL();
|
|
|
|
if (!GLExtensions::getInstance().haveFramebufferObject())
|
|
return INVALID_OPERATION;
|
|
|
|
// get screen geometry
|
|
sp<const DisplayDevice> hw(getDisplayDevice(dpy));
|
|
const uint32_t hw_w = hw->getWidth();
|
|
const uint32_t hw_h = hw->getHeight();
|
|
GLfloat u = 1;
|
|
GLfloat v = 1;
|
|
|
|
// make sure to clear all GL error flags
|
|
while ( glGetError() != GL_NO_ERROR ) ;
|
|
|
|
// create a FBO
|
|
GLuint name, tname;
|
|
glGenTextures(1, &tname);
|
|
glBindTexture(GL_TEXTURE_2D, tname);
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
|
|
hw_w, hw_h, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
|
|
if (glGetError() != GL_NO_ERROR) {
|
|
while ( glGetError() != GL_NO_ERROR ) ;
|
|
GLint tw = (2 << (31 - clz(hw_w)));
|
|
GLint th = (2 << (31 - clz(hw_h)));
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
|
|
tw, th, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
|
|
u = GLfloat(hw_w) / tw;
|
|
v = GLfloat(hw_h) / th;
|
|
}
|
|
glGenFramebuffersOES(1, &name);
|
|
glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);
|
|
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,
|
|
GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0);
|
|
|
|
// redraw the screen entirely...
|
|
glDisable(GL_TEXTURE_EXTERNAL_OES);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glClearColor(0,0,0,1);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
const Vector< sp<LayerBase> >& layers(hw->getVisibleLayersSortedByZ());
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
layer->draw(hw);
|
|
}
|
|
|
|
hw->compositionComplete();
|
|
|
|
// back to main framebuffer
|
|
glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
|
|
glDeleteFramebuffersOES(1, &name);
|
|
|
|
*textureName = tname;
|
|
*uOut = u;
|
|
*vOut = v;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
|
|
sp<IMemoryHeap>* heap,
|
|
uint32_t* w, uint32_t* h, PixelFormat* f,
|
|
uint32_t sw, uint32_t sh,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ)
|
|
{
|
|
ATRACE_CALL();
|
|
|
|
status_t result = PERMISSION_DENIED;
|
|
|
|
// only one display supported for now
|
|
if (CC_UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT)) {
|
|
ALOGE("invalid display %d", dpy);
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
if (!GLExtensions::getInstance().haveFramebufferObject()) {
|
|
return INVALID_OPERATION;
|
|
}
|
|
|
|
// get screen geometry
|
|
sp<const DisplayDevice> hw(getDisplayDevice(dpy));
|
|
const uint32_t hw_w = hw->getWidth();
|
|
const uint32_t hw_h = hw->getHeight();
|
|
|
|
// if we have secure windows on this display, never allow the screen capture
|
|
if (hw->getSecureLayerVisible()) {
|
|
ALOGW("FB is protected: PERMISSION_DENIED");
|
|
return PERMISSION_DENIED;
|
|
}
|
|
|
|
if ((sw > hw_w) || (sh > hw_h)) {
|
|
ALOGE("size mismatch (%d, %d) > (%d, %d)", sw, sh, hw_w, hw_h);
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
sw = (!sw) ? hw_w : sw;
|
|
sh = (!sh) ? hw_h : sh;
|
|
const size_t size = sw * sh * 4;
|
|
const bool filtering = sw != hw_w || sh != hw_h;
|
|
|
|
// ALOGD("screenshot: sw=%d, sh=%d, minZ=%d, maxZ=%d",
|
|
// sw, sh, minLayerZ, maxLayerZ);
|
|
|
|
// make sure to clear all GL error flags
|
|
while ( glGetError() != GL_NO_ERROR ) ;
|
|
|
|
// create a FBO
|
|
GLuint name, tname;
|
|
glGenRenderbuffersOES(1, &tname);
|
|
glBindRenderbufferOES(GL_RENDERBUFFER_OES, tname);
|
|
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_RGBA8_OES, sw, sh);
|
|
|
|
glGenFramebuffersOES(1, &name);
|
|
glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);
|
|
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES,
|
|
GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, tname);
|
|
|
|
GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
|
|
|
|
if (status == GL_FRAMEBUFFER_COMPLETE_OES) {
|
|
|
|
// invert everything, b/c glReadPixel() below will invert the FB
|
|
glViewport(0, 0, sw, sh);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
glOrthof(0, hw_w, hw_h, 0, 0, 1);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
// redraw the screen entirely...
|
|
glClearColor(0,0,0,1);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
const LayerVector& layers(mDrawingState.layersSortedByZ);
|
|
const size_t count = layers.size();
|
|
for (size_t i=0 ; i<count ; ++i) {
|
|
const sp<LayerBase>& layer(layers[i]);
|
|
const uint32_t flags = layer->drawingState().flags;
|
|
if (!(flags & layer_state_t::eLayerHidden)) {
|
|
const uint32_t z = layer->drawingState().z;
|
|
if (z >= minLayerZ && z <= maxLayerZ) {
|
|
if (filtering) layer->setFiltering(true);
|
|
layer->draw(hw);
|
|
if (filtering) layer->setFiltering(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
// check for errors and return screen capture
|
|
if (glGetError() != GL_NO_ERROR) {
|
|
// error while rendering
|
|
result = INVALID_OPERATION;
|
|
} else {
|
|
// allocate shared memory large enough to hold the
|
|
// screen capture
|
|
sp<MemoryHeapBase> base(
|
|
new MemoryHeapBase(size, 0, "screen-capture") );
|
|
void* const ptr = base->getBase();
|
|
if (ptr) {
|
|
// capture the screen with glReadPixels()
|
|
ScopedTrace _t(ATRACE_TAG, "glReadPixels");
|
|
glReadPixels(0, 0, sw, sh, GL_RGBA, GL_UNSIGNED_BYTE, ptr);
|
|
if (glGetError() == GL_NO_ERROR) {
|
|
*heap = base;
|
|
*w = sw;
|
|
*h = sh;
|
|
*f = PIXEL_FORMAT_RGBA_8888;
|
|
result = NO_ERROR;
|
|
}
|
|
} else {
|
|
result = NO_MEMORY;
|
|
}
|
|
}
|
|
glViewport(0, 0, hw_w, hw_h);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPopMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
} else {
|
|
result = BAD_VALUE;
|
|
}
|
|
|
|
// release FBO resources
|
|
glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
|
|
glDeleteRenderbuffersOES(1, &tname);
|
|
glDeleteFramebuffersOES(1, &name);
|
|
|
|
hw->compositionComplete();
|
|
|
|
// ALOGD("screenshot: result = %s", result<0 ? strerror(result) : "OK");
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
status_t SurfaceFlinger::captureScreen(DisplayID dpy,
|
|
sp<IMemoryHeap>* heap,
|
|
uint32_t* width, uint32_t* height, PixelFormat* format,
|
|
uint32_t sw, uint32_t sh,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ)
|
|
{
|
|
// only one display supported for now
|
|
if (CC_UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
|
|
return BAD_VALUE;
|
|
|
|
if (!GLExtensions::getInstance().haveFramebufferObject())
|
|
return INVALID_OPERATION;
|
|
|
|
class MessageCaptureScreen : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
DisplayID dpy;
|
|
sp<IMemoryHeap>* heap;
|
|
uint32_t* w;
|
|
uint32_t* h;
|
|
PixelFormat* f;
|
|
uint32_t sw;
|
|
uint32_t sh;
|
|
uint32_t minLayerZ;
|
|
uint32_t maxLayerZ;
|
|
status_t result;
|
|
public:
|
|
MessageCaptureScreen(SurfaceFlinger* flinger, DisplayID dpy,
|
|
sp<IMemoryHeap>* heap, uint32_t* w, uint32_t* h, PixelFormat* f,
|
|
uint32_t sw, uint32_t sh,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ)
|
|
: flinger(flinger), dpy(dpy),
|
|
heap(heap), w(w), h(h), f(f), sw(sw), sh(sh),
|
|
minLayerZ(minLayerZ), maxLayerZ(maxLayerZ),
|
|
result(PERMISSION_DENIED)
|
|
{
|
|
}
|
|
status_t getResult() const {
|
|
return result;
|
|
}
|
|
virtual bool handler() {
|
|
Mutex::Autolock _l(flinger->mStateLock);
|
|
result = flinger->captureScreenImplLocked(dpy,
|
|
heap, w, h, f, sw, sh, minLayerZ, maxLayerZ);
|
|
return true;
|
|
}
|
|
};
|
|
|
|
sp<MessageBase> msg = new MessageCaptureScreen(this,
|
|
dpy, heap, width, height, format, sw, sh, minLayerZ, maxLayerZ);
|
|
status_t res = postMessageSync(msg);
|
|
if (res == NO_ERROR) {
|
|
res = static_cast<MessageCaptureScreen*>( msg.get() )->getResult();
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
SurfaceFlinger::LayerVector::LayerVector() {
|
|
}
|
|
|
|
SurfaceFlinger::LayerVector::LayerVector(const LayerVector& rhs)
|
|
: SortedVector<sp<LayerBase> >(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<LayerBase>& l(*reinterpret_cast<const sp<LayerBase>*>(lhs));
|
|
const sp<LayerBase>& r(*reinterpret_cast<const sp<LayerBase>*>(rhs));
|
|
|
|
uint32_t ls = l->currentState().layerStack;
|
|
uint32_t rs = r->currentState().layerStack;
|
|
if (ls != rs)
|
|
return ls - rs;
|
|
|
|
uint32_t lz = l->currentState().z;
|
|
uint32_t rz = r->currentState().z;
|
|
if (lz != rz)
|
|
return lz - rz;
|
|
|
|
return l->sequence - r->sequence;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
SurfaceFlinger::DisplayDeviceState::DisplayDeviceState() : id(-1) {
|
|
}
|
|
|
|
SurfaceFlinger::DisplayDeviceState::DisplayDeviceState(int32_t id)
|
|
: id(id), layerStack(0), orientation(0) {
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
GraphicBufferAlloc::GraphicBufferAlloc() {}
|
|
|
|
GraphicBufferAlloc::~GraphicBufferAlloc() {}
|
|
|
|
sp<GraphicBuffer> GraphicBufferAlloc::createGraphicBuffer(uint32_t w, uint32_t h,
|
|
PixelFormat format, uint32_t usage, status_t* error) {
|
|
sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(w, h, format, usage));
|
|
status_t err = graphicBuffer->initCheck();
|
|
*error = err;
|
|
if (err != 0 || graphicBuffer->handle == 0) {
|
|
if (err == NO_MEMORY) {
|
|
GraphicBuffer::dumpAllocationsToSystemLog();
|
|
}
|
|
ALOGE("GraphicBufferAlloc::createGraphicBuffer(w=%d, h=%d) "
|
|
"failed (%s), handle=%p",
|
|
w, h, strerror(-err), graphicBuffer->handle);
|
|
return 0;
|
|
}
|
|
return graphicBuffer;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|