3f3956236a
The primary display device was being configured to "blank" by default, which prevented the boot animation from appearing (unless you got lucky with the hardware composer state). Bug 6975688 Change-Id: Idaa0d0b98ebb331a17d1b16774c6b05bfa1e8728
2472 lines
83 KiB
C++
2472 lines
83 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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// restore initial conditions (default device unblank, etc)
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initializeDisplays();
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// restart the boot-animation
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startBootAnim();
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}
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sp<ISurfaceComposerClient> SurfaceFlinger::createConnection()
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{
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sp<ISurfaceComposerClient> bclient;
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sp<Client> client(new Client(this));
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status_t err = client->initCheck();
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if (err == NO_ERROR) {
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bclient = client;
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}
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return bclient;
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}
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sp<IBinder> SurfaceFlinger::createDisplay()
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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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// set initial conditions (e.g. unblank default device)
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initializeDisplays();
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// start boot animation
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startBootAnim();
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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::onInitializeDisplays() {
|
|
// reset screen orientation
|
|
Vector<ComposerState> state;
|
|
Vector<DisplayState> displays;
|
|
DisplayState d;
|
|
d.what = DisplayState::eOrientationChanged;
|
|
d.token = mDefaultDisplays[DisplayDevice::DISPLAY_ID_MAIN];
|
|
d.orientation = DisplayState::eOrientationDefault;
|
|
displays.add(d);
|
|
setTransactionState(state, displays, 0);
|
|
|
|
// XXX: this should init default device to "unblank" and all other devices to "blank"
|
|
onScreenAcquired();
|
|
}
|
|
|
|
void SurfaceFlinger::initializeDisplays() {
|
|
class MessageScreenInitialized : public MessageBase {
|
|
SurfaceFlinger* flinger;
|
|
public:
|
|
MessageScreenInitialized(SurfaceFlinger* flinger) : flinger(flinger) { }
|
|
virtual bool handler() {
|
|
flinger->onInitializeDisplays();
|
|
return true;
|
|
}
|
|
};
|
|
sp<MessageBase> msg = new MessageScreenInitialized(this);
|
|
postMessageAsync(msg); // we may be called from main thread, use async message
|
|
}
|
|
|
|
|
|
void SurfaceFlinger::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
|