| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <stdint.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <math.h> |
| #include <limits.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/ioctl.h> |
| |
| #include <cutils/log.h> |
| #include <cutils/properties.h> |
| |
| #include <binder/IPCThreadState.h> |
| #include <binder/IServiceManager.h> |
| #include <binder/MemoryHeapBase.h> |
| #include <binder/PermissionCache.h> |
| |
| #include <utils/String8.h> |
| #include <utils/String16.h> |
| #include <utils/StopWatch.h> |
| |
| #include <ui/GraphicBufferAllocator.h> |
| #include <ui/GraphicLog.h> |
| #include <ui/PixelFormat.h> |
| |
| #include <pixelflinger/pixelflinger.h> |
| #include <GLES/gl.h> |
| |
| #include "clz.h" |
| #include "GLExtensions.h" |
| #include "DdmConnection.h" |
| #include "Layer.h" |
| #include "LayerDim.h" |
| #include "LayerScreenshot.h" |
| #include "SurfaceFlinger.h" |
| |
| #include "DisplayHardware/DisplayHardware.h" |
| #include "DisplayHardware/HWComposer.h" |
| |
| #include <private/surfaceflinger/SharedBufferStack.h> |
| |
| /* ideally AID_GRAPHICS would be in a semi-public header |
| * or there would be a way to map a user/group name to its id |
| */ |
| #ifndef AID_GRAPHICS |
| #define AID_GRAPHICS 1003 |
| #endif |
| |
| #define DISPLAY_COUNT 1 |
| |
| namespace android { |
| // --------------------------------------------------------------------------- |
| |
| const String16 sHardwareTest("android.permission.HARDWARE_TEST"); |
| const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER"); |
| const String16 sReadFramebuffer("android.permission.READ_FRAME_BUFFER"); |
| const String16 sDump("android.permission.DUMP"); |
| |
| // --------------------------------------------------------------------------- |
| |
| SurfaceFlinger::SurfaceFlinger() |
| : BnSurfaceComposer(), Thread(false), |
| mTransactionFlags(0), |
| mTransationPending(false), |
| mLayersRemoved(false), |
| mBootTime(systemTime()), |
| mVisibleRegionsDirty(false), |
| mHwWorkListDirty(false), |
| mElectronBeamAnimationMode(0), |
| mDebugRegion(0), |
| mDebugBackground(0), |
| mDebugDDMS(0), |
| mDebugDisableHWC(0), |
| mDebugDisableTransformHint(0), |
| mDebugInSwapBuffers(0), |
| mLastSwapBufferTime(0), |
| mDebugInTransaction(0), |
| mLastTransactionTime(0), |
| mBootFinished(false), |
| mConsoleSignals(0), |
| mSecureFrameBuffer(0) |
| { |
| init(); |
| } |
| |
| void SurfaceFlinger::init() |
| { |
| LOGI("SurfaceFlinger is starting"); |
| |
| // debugging stuff... |
| char value[PROPERTY_VALUE_MAX]; |
| |
| property_get("debug.sf.showupdates", value, "0"); |
| mDebugRegion = atoi(value); |
| |
| property_get("debug.sf.showbackground", value, "0"); |
| mDebugBackground = atoi(value); |
| |
| property_get("debug.sf.ddms", value, "0"); |
| mDebugDDMS = atoi(value); |
| if (mDebugDDMS) { |
| DdmConnection::start(getServiceName()); |
| } |
| |
| LOGI_IF(mDebugRegion, "showupdates enabled"); |
| LOGI_IF(mDebugBackground, "showbackground enabled"); |
| LOGI_IF(mDebugDDMS, "DDMS debugging enabled"); |
| } |
| |
| SurfaceFlinger::~SurfaceFlinger() |
| { |
| glDeleteTextures(1, &mWormholeTexName); |
| } |
| |
| sp<IMemoryHeap> SurfaceFlinger::getCblk() const |
| { |
| return mServerHeap; |
| } |
| |
| sp<ISurfaceComposerClient> SurfaceFlinger::createConnection() |
| { |
| sp<ISurfaceComposerClient> bclient; |
| sp<Client> client(new Client(this)); |
| status_t err = client->initCheck(); |
| if (err == NO_ERROR) { |
| bclient = client; |
| } |
| return bclient; |
| } |
| |
| sp<IGraphicBufferAlloc> SurfaceFlinger::createGraphicBufferAlloc() |
| { |
| sp<GraphicBufferAlloc> gba(new GraphicBufferAlloc()); |
| return gba; |
| } |
| |
| const GraphicPlane& SurfaceFlinger::graphicPlane(int dpy) const |
| { |
| LOGE_IF(uint32_t(dpy) >= DISPLAY_COUNT, "Invalid DisplayID %d", dpy); |
| const GraphicPlane& plane(mGraphicPlanes[dpy]); |
| return plane; |
| } |
| |
| GraphicPlane& SurfaceFlinger::graphicPlane(int dpy) |
| { |
| return const_cast<GraphicPlane&>( |
| const_cast<SurfaceFlinger const *>(this)->graphicPlane(dpy)); |
| } |
| |
| void SurfaceFlinger::bootFinished() |
| { |
| const nsecs_t now = systemTime(); |
| const nsecs_t duration = now - mBootTime; |
| LOGI("Boot is finished (%ld ms)", long(ns2ms(duration)) ); |
| mBootFinished = true; |
| |
| // wait patiently for the window manager death |
| const String16 name("window"); |
| sp<IBinder> window(defaultServiceManager()->getService(name)); |
| if (window != 0) { |
| window->linkToDeath(this); |
| } |
| |
| // stop boot animation |
| property_set("ctl.stop", "bootanim"); |
| } |
| |
| void SurfaceFlinger::binderDied(const wp<IBinder>& who) |
| { |
| // the window manager died on us. prepare its eulogy. |
| |
| // reset screen orientation |
| setOrientation(0, eOrientationDefault, 0); |
| |
| // restart the boot-animation |
| property_set("ctl.start", "bootanim"); |
| } |
| |
| void SurfaceFlinger::onFirstRef() |
| { |
| run("SurfaceFlinger", PRIORITY_URGENT_DISPLAY); |
| |
| // Wait for the main thread to be done with its initialization |
| mReadyToRunBarrier.wait(); |
| } |
| |
| static inline uint16_t pack565(int r, int g, int b) { |
| return (r<<11)|(g<<5)|b; |
| } |
| |
| status_t SurfaceFlinger::readyToRun() |
| { |
| LOGI( "SurfaceFlinger's main thread ready to run. " |
| "Initializing graphics H/W..."); |
| |
| // we only support one display currently |
| int dpy = 0; |
| |
| { |
| // initialize the main display |
| GraphicPlane& plane(graphicPlane(dpy)); |
| DisplayHardware* const hw = new DisplayHardware(this, dpy); |
| plane.setDisplayHardware(hw); |
| } |
| |
| // create the shared control-block |
| mServerHeap = new MemoryHeapBase(4096, |
| MemoryHeapBase::READ_ONLY, "SurfaceFlinger read-only heap"); |
| LOGE_IF(mServerHeap==0, "can't create shared memory dealer"); |
| |
| mServerCblk = static_cast<surface_flinger_cblk_t*>(mServerHeap->getBase()); |
| LOGE_IF(mServerCblk==0, "can't get to shared control block's address"); |
| |
| new(mServerCblk) surface_flinger_cblk_t; |
| |
| // initialize primary screen |
| // (other display should be initialized in the same manner, but |
| // asynchronously, as they could come and go. None of this is supported |
| // yet). |
| const GraphicPlane& plane(graphicPlane(dpy)); |
| const DisplayHardware& hw = plane.displayHardware(); |
| const uint32_t w = hw.getWidth(); |
| const uint32_t h = hw.getHeight(); |
| const uint32_t f = hw.getFormat(); |
| hw.makeCurrent(); |
| |
| // initialize the shared control block |
| mServerCblk->connected |= 1<<dpy; |
| display_cblk_t* dcblk = mServerCblk->displays + dpy; |
| memset(dcblk, 0, sizeof(display_cblk_t)); |
| dcblk->w = plane.getWidth(); |
| dcblk->h = plane.getHeight(); |
| dcblk->format = f; |
| dcblk->orientation = ISurfaceComposer::eOrientationDefault; |
| dcblk->xdpi = hw.getDpiX(); |
| dcblk->ydpi = hw.getDpiY(); |
| dcblk->fps = hw.getRefreshRate(); |
| dcblk->density = hw.getDensity(); |
| |
| // Initialize OpenGL|ES |
| glPixelStorei(GL_UNPACK_ALIGNMENT, 4); |
| glPixelStorei(GL_PACK_ALIGNMENT, 4); |
| glEnableClientState(GL_VERTEX_ARRAY); |
| glEnable(GL_SCISSOR_TEST); |
| glShadeModel(GL_FLAT); |
| glDisable(GL_DITHER); |
| glDisable(GL_CULL_FACE); |
| |
| const uint16_t g0 = pack565(0x0F,0x1F,0x0F); |
| const uint16_t g1 = pack565(0x17,0x2f,0x17); |
| const uint16_t wormholeTexData[4] = { g0, g1, g1, g0 }; |
| glGenTextures(1, &mWormholeTexName); |
| glBindTexture(GL_TEXTURE_2D, mWormholeTexName); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 2, 2, 0, |
| GL_RGB, GL_UNSIGNED_SHORT_5_6_5, wormholeTexData); |
| |
| const uint16_t protTexData[] = { pack565(0x03, 0x03, 0x03) }; |
| glGenTextures(1, &mProtectedTexName); |
| glBindTexture(GL_TEXTURE_2D, mProtectedTexName); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 1, 0, |
| GL_RGB, GL_UNSIGNED_SHORT_5_6_5, protTexData); |
| |
| glViewport(0, 0, w, h); |
| glMatrixMode(GL_PROJECTION); |
| glLoadIdentity(); |
| // put the origin in the left-bottom corner |
| glOrthof(0, w, 0, h, 0, 1); // l=0, r=w ; b=0, t=h |
| |
| mReadyToRunBarrier.open(); |
| |
| /* |
| * We're now ready to accept clients... |
| */ |
| |
| // start boot animation |
| property_set("ctl.start", "bootanim"); |
| |
| return NO_ERROR; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| #if 0 |
| #pragma mark - |
| #pragma mark Events Handler |
| #endif |
| |
| void SurfaceFlinger::waitForEvent() |
| { |
| while (true) { |
| nsecs_t timeout = -1; |
| sp<MessageBase> msg = mEventQueue.waitMessage(timeout); |
| if (msg != 0) { |
| switch (msg->what) { |
| case MessageQueue::INVALIDATE: |
| // invalidate message, just return to the main loop |
| return; |
| } |
| } |
| } |
| } |
| |
| void SurfaceFlinger::signalEvent() { |
| mEventQueue.invalidate(); |
| } |
| |
| bool SurfaceFlinger::authenticateSurfaceTexture( |
| const sp<ISurfaceTexture>& surfaceTexture) const { |
| Mutex::Autolock _l(mStateLock); |
| sp<IBinder> surfaceTextureBinder(surfaceTexture->asBinder()); |
| |
| // Check the visible layer list for the ISurface |
| const LayerVector& currentLayers = mCurrentState.layersSortedByZ; |
| size_t count = currentLayers.size(); |
| for (size_t i=0 ; i<count ; i++) { |
| const sp<LayerBase>& layer(currentLayers[i]); |
| sp<LayerBaseClient> lbc(layer->getLayerBaseClient()); |
| if (lbc != NULL) { |
| wp<IBinder> lbcBinder = lbc->getSurfaceTextureBinder(); |
| if (lbcBinder == surfaceTextureBinder) { |
| return true; |
| } |
| } |
| } |
| |
| // Check the layers in the purgatory. This check is here so that if a |
| // SurfaceTexture gets destroyed before all the clients are done using it, |
| // the error will not be reported as "surface XYZ is not authenticated", but |
| // will instead fail later on when the client tries to use the surface, |
| // which should be reported as "surface XYZ returned an -ENODEV". The |
| // purgatorized layers are no less authentic than the visible ones, so this |
| // should not cause any harm. |
| size_t purgatorySize = mLayerPurgatory.size(); |
| for (size_t i=0 ; i<purgatorySize ; i++) { |
| const sp<LayerBase>& layer(mLayerPurgatory.itemAt(i)); |
| sp<LayerBaseClient> lbc(layer->getLayerBaseClient()); |
| if (lbc != NULL) { |
| wp<IBinder> lbcBinder = lbc->getSurfaceTextureBinder(); |
| if (lbcBinder == surfaceTextureBinder) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg, |
| nsecs_t reltime, uint32_t flags) |
| { |
| return mEventQueue.postMessage(msg, reltime, flags); |
| } |
| |
| status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg, |
| nsecs_t reltime, uint32_t flags) |
| { |
| status_t res = mEventQueue.postMessage(msg, reltime, flags); |
| if (res == NO_ERROR) { |
| msg->wait(); |
| } |
| return res; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| #if 0 |
| #pragma mark - |
| #pragma mark Main loop |
| #endif |
| |
| bool SurfaceFlinger::threadLoop() |
| { |
| waitForEvent(); |
| |
| // check for transactions |
| if (UNLIKELY(mConsoleSignals)) { |
| handleConsoleEvents(); |
| } |
| |
| // if we're in a global transaction, don't do anything. |
| const uint32_t mask = eTransactionNeeded | eTraversalNeeded; |
| uint32_t transactionFlags = peekTransactionFlags(mask); |
| if (UNLIKELY(transactionFlags)) { |
| handleTransaction(transactionFlags); |
| } |
| |
| // post surfaces (if needed) |
| handlePageFlip(); |
| |
| if (mDirtyRegion.isEmpty()) { |
| // nothing new to do. |
| return true; |
| } |
| |
| if (UNLIKELY(mHwWorkListDirty)) { |
| // build the h/w work list |
| handleWorkList(); |
| } |
| |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| if (LIKELY(hw.canDraw())) { |
| // repaint the framebuffer (if needed) |
| |
| const int index = hw.getCurrentBufferIndex(); |
| GraphicLog& logger(GraphicLog::getInstance()); |
| |
| logger.log(GraphicLog::SF_REPAINT, index); |
| handleRepaint(); |
| |
| // inform the h/w that we're done compositing |
| logger.log(GraphicLog::SF_COMPOSITION_COMPLETE, index); |
| hw.compositionComplete(); |
| |
| logger.log(GraphicLog::SF_SWAP_BUFFERS, index); |
| postFramebuffer(); |
| |
| logger.log(GraphicLog::SF_REPAINT_DONE, index); |
| } else { |
| // pretend we did the post |
| hw.compositionComplete(); |
| usleep(16667); // 60 fps period |
| } |
| return true; |
| } |
| |
| void SurfaceFlinger::postFramebuffer() |
| { |
| // this should never happen. we do the flip anyways so we don't |
| // risk to cause a deadlock with hwc |
| LOGW_IF(mSwapRegion.isEmpty(), "mSwapRegion is empty"); |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| const nsecs_t now = systemTime(); |
| mDebugInSwapBuffers = now; |
| hw.flip(mSwapRegion); |
| mLastSwapBufferTime = systemTime() - now; |
| mDebugInSwapBuffers = 0; |
| mSwapRegion.clear(); |
| } |
| |
| void SurfaceFlinger::handleConsoleEvents() |
| { |
| // something to do with the console |
| const DisplayHardware& hw = graphicPlane(0).displayHardware(); |
| |
| int what = android_atomic_and(0, &mConsoleSignals); |
| if (what & eConsoleAcquired) { |
| hw.acquireScreen(); |
| // this is a temporary work-around, eventually this should be called |
| // by the power-manager |
| SurfaceFlinger::turnElectronBeamOn(mElectronBeamAnimationMode); |
| } |
| |
| if (what & eConsoleReleased) { |
| if (hw.isScreenAcquired()) { |
| hw.releaseScreen(); |
| } |
| } |
| |
| mDirtyRegion.set(hw.bounds()); |
| } |
| |
| void SurfaceFlinger::handleTransaction(uint32_t transactionFlags) |
| { |
| Mutex::Autolock _l(mStateLock); |
| const nsecs_t now = systemTime(); |
| mDebugInTransaction = now; |
| |
| // Here we're guaranteed that some transaction flags are set |
| // so we can call handleTransactionLocked() unconditionally. |
| // We call getTransactionFlags(), which will also clear the flags, |
| // with mStateLock held to guarantee that mCurrentState won't change |
| // until the transaction is committed. |
| |
| const uint32_t mask = eTransactionNeeded | eTraversalNeeded; |
| transactionFlags = getTransactionFlags(mask); |
| handleTransactionLocked(transactionFlags); |
| |
| mLastTransactionTime = systemTime() - now; |
| mDebugInTransaction = 0; |
| invalidateHwcGeometry(); |
| // here the transaction has been committed |
| } |
| |
| void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags) |
| { |
| const LayerVector& currentLayers(mCurrentState.layersSortedByZ); |
| const size_t count = currentLayers.size(); |
| |
| /* |
| * Traversal of the children |
| * (perform the transaction for each of them if needed) |
| */ |
| |
| const bool layersNeedTransaction = transactionFlags & eTraversalNeeded; |
| if (layersNeedTransaction) { |
| for (size_t i=0 ; i<count ; i++) { |
| const sp<LayerBase>& layer = currentLayers[i]; |
| uint32_t trFlags = layer->getTransactionFlags(eTransactionNeeded); |
| if (!trFlags) continue; |
| |
| const uint32_t flags = layer->doTransaction(0); |
| if (flags & Layer::eVisibleRegion) |
| mVisibleRegionsDirty = true; |
| } |
| } |
| |
| /* |
| * Perform our own transaction if needed |
| */ |
| |
| if (transactionFlags & eTransactionNeeded) { |
| if (mCurrentState.orientation != mDrawingState.orientation) { |
| // the orientation has changed, recompute all visible regions |
| // and invalidate everything. |
| |
| const int dpy = 0; |
| const int orientation = mCurrentState.orientation; |
| // Currently unused: const uint32_t flags = mCurrentState.orientationFlags; |
| GraphicPlane& plane(graphicPlane(dpy)); |
| plane.setOrientation(orientation); |
| |
| // update the shared control block |
| const DisplayHardware& hw(plane.displayHardware()); |
| volatile display_cblk_t* dcblk = mServerCblk->displays + dpy; |
| dcblk->orientation = orientation; |
| dcblk->w = plane.getWidth(); |
| dcblk->h = plane.getHeight(); |
| |
| mVisibleRegionsDirty = true; |
| mDirtyRegion.set(hw.bounds()); |
| } |
| |
| if (currentLayers.size() > mDrawingState.layersSortedByZ.size()) { |
| // layers have been added |
| mVisibleRegionsDirty = true; |
| } |
| |
| // some layers might have been removed, so |
| // we need to update the regions they're exposing. |
| if (mLayersRemoved) { |
| mLayersRemoved = false; |
| mVisibleRegionsDirty = true; |
| const LayerVector& previousLayers(mDrawingState.layersSortedByZ); |
| const size_t count = previousLayers.size(); |
| for (size_t i=0 ; i<count ; i++) { |
| const sp<LayerBase>& layer(previousLayers[i]); |
| if (currentLayers.indexOf( layer ) < 0) { |
| // this layer is not visible anymore |
| mDirtyRegionRemovedLayer.orSelf(layer->visibleRegionScreen); |
| } |
| } |
| } |
| } |
| |
| commitTransaction(); |
| } |
| |
| void SurfaceFlinger::computeVisibleRegions( |
| const LayerVector& currentLayers, Region& dirtyRegion, Region& opaqueRegion) |
| { |
| const GraphicPlane& plane(graphicPlane(0)); |
| const Transform& planeTransform(plane.transform()); |
| const DisplayHardware& hw(plane.displayHardware()); |
| const Region screenRegion(hw.bounds()); |
| |
| Region aboveOpaqueLayers; |
| Region aboveCoveredLayers; |
| Region dirty; |
| |
| bool secureFrameBuffer = false; |
| |
| size_t i = currentLayers.size(); |
| while (i--) { |
| const sp<LayerBase>& layer = currentLayers[i]; |
| layer->validateVisibility(planeTransform); |
| |
| // start with the whole surface at its current location |
| const Layer::State& s(layer->drawingState()); |
| |
| /* |
| * opaqueRegion: area of a surface that is fully opaque. |
| */ |
| Region opaqueRegion; |
| |
| /* |
| * visibleRegion: area of a surface that is visible on screen |
| * and not fully transparent. This is essentially the layer's |
| * footprint minus the opaque regions above it. |
| * Areas covered by a translucent surface are considered visible. |
| */ |
| Region visibleRegion; |
| |
| /* |
| * coveredRegion: area of a surface that is covered by all |
| * visible regions above it (which includes the translucent areas). |
| */ |
| Region coveredRegion; |
| |
| |
| // handle hidden surfaces by setting the visible region to empty |
| if (LIKELY(!(s.flags & ISurfaceComposer::eLayerHidden) && s.alpha)) { |
| const bool translucent = !layer->isOpaque(); |
| const Rect bounds(layer->visibleBounds()); |
| visibleRegion.set(bounds); |
| visibleRegion.andSelf(screenRegion); |
| if (!visibleRegion.isEmpty()) { |
| // Remove the transparent area from the visible region |
| if (translucent) { |
| visibleRegion.subtractSelf(layer->transparentRegionScreen); |
| } |
| |
| // compute the opaque region |
| const int32_t layerOrientation = layer->getOrientation(); |
| if (s.alpha==255 && !translucent && |
| ((layerOrientation & Transform::ROT_INVALID) == false)) { |
| // the opaque region is the layer's footprint |
| opaqueRegion = visibleRegion; |
| } |
| } |
| } |
| |
| // Clip the covered region to the visible region |
| coveredRegion = aboveCoveredLayers.intersect(visibleRegion); |
| |
| // Update aboveCoveredLayers for next (lower) layer |
| aboveCoveredLayers.orSelf(visibleRegion); |
| |
| // subtract the opaque region covered by the layers above us |
| visibleRegion.subtractSelf(aboveOpaqueLayers); |
| |
| // compute this layer's dirty region |
| if (layer->contentDirty) { |
| // we need to invalidate the whole region |
| dirty = visibleRegion; |
| // as well, as the old visible region |
| dirty.orSelf(layer->visibleRegionScreen); |
| layer->contentDirty = false; |
| } else { |
| /* compute the exposed region: |
| * the exposed region consists of two components: |
| * 1) what's VISIBLE now and was COVERED before |
| * 2) what's EXPOSED now less what was EXPOSED before |
| * |
| * note that (1) is conservative, we start with the whole |
| * visible region but only keep what used to be covered by |
| * something -- which mean it may have been exposed. |
| * |
| * (2) handles areas that were not covered by anything but got |
| * exposed because of a resize. |
| */ |
| const Region newExposed = visibleRegion - coveredRegion; |
| const Region oldVisibleRegion = layer->visibleRegionScreen; |
| const Region oldCoveredRegion = layer->coveredRegionScreen; |
| const Region oldExposed = oldVisibleRegion - oldCoveredRegion; |
| dirty = (visibleRegion&oldCoveredRegion) | (newExposed-oldExposed); |
| } |
| dirty.subtractSelf(aboveOpaqueLayers); |
| |
| // accumulate to the screen dirty region |
| dirtyRegion.orSelf(dirty); |
| |
| // Update aboveOpaqueLayers for next (lower) layer |
| aboveOpaqueLayers.orSelf(opaqueRegion); |
| |
| // Store the visible region is screen space |
| layer->setVisibleRegion(visibleRegion); |
| layer->setCoveredRegion(coveredRegion); |
| |
| // If a secure layer is partially visible, lock-down the screen! |
| if (layer->isSecure() && !visibleRegion.isEmpty()) { |
| secureFrameBuffer = true; |
| } |
| } |
| |
| // invalidate the areas where a layer was removed |
| dirtyRegion.orSelf(mDirtyRegionRemovedLayer); |
| mDirtyRegionRemovedLayer.clear(); |
| |
| mSecureFrameBuffer = secureFrameBuffer; |
| opaqueRegion = aboveOpaqueLayers; |
| } |
| |
| |
| void SurfaceFlinger::commitTransaction() |
| { |
| mDrawingState = mCurrentState; |
| mTransationPending = false; |
| mTransactionCV.broadcast(); |
| } |
| |
| void SurfaceFlinger::handlePageFlip() |
| { |
| bool visibleRegions = mVisibleRegionsDirty; |
| const LayerVector& currentLayers(mDrawingState.layersSortedByZ); |
| visibleRegions |= lockPageFlip(currentLayers); |
| |
| const DisplayHardware& hw = graphicPlane(0).displayHardware(); |
| const Region screenRegion(hw.bounds()); |
| if (visibleRegions) { |
| Region opaqueRegion; |
| computeVisibleRegions(currentLayers, mDirtyRegion, opaqueRegion); |
| |
| /* |
| * rebuild the visible layer list |
| */ |
| const size_t count = currentLayers.size(); |
| mVisibleLayersSortedByZ.clear(); |
| mVisibleLayersSortedByZ.setCapacity(count); |
| for (size_t i=0 ; i<count ; i++) { |
| if (!currentLayers[i]->visibleRegionScreen.isEmpty()) |
| mVisibleLayersSortedByZ.add(currentLayers[i]); |
| } |
| |
| mWormholeRegion = screenRegion.subtract(opaqueRegion); |
| mVisibleRegionsDirty = false; |
| invalidateHwcGeometry(); |
| } |
| |
| unlockPageFlip(currentLayers); |
| |
| mDirtyRegion.orSelf(getAndClearInvalidateRegion()); |
| mDirtyRegion.andSelf(screenRegion); |
| } |
| |
| void SurfaceFlinger::invalidateHwcGeometry() |
| { |
| mHwWorkListDirty = true; |
| } |
| |
| bool SurfaceFlinger::lockPageFlip(const LayerVector& currentLayers) |
| { |
| bool recomputeVisibleRegions = false; |
| size_t count = currentLayers.size(); |
| sp<LayerBase> const* layers = currentLayers.array(); |
| for (size_t i=0 ; i<count ; i++) { |
| const sp<LayerBase>& layer(layers[i]); |
| layer->lockPageFlip(recomputeVisibleRegions); |
| } |
| return recomputeVisibleRegions; |
| } |
| |
| void SurfaceFlinger::unlockPageFlip(const LayerVector& currentLayers) |
| { |
| const GraphicPlane& plane(graphicPlane(0)); |
| const Transform& planeTransform(plane.transform()); |
| size_t count = currentLayers.size(); |
| sp<LayerBase> const* layers = currentLayers.array(); |
| for (size_t i=0 ; i<count ; i++) { |
| const sp<LayerBase>& layer(layers[i]); |
| layer->unlockPageFlip(planeTransform, mDirtyRegion); |
| } |
| } |
| |
| void SurfaceFlinger::handleWorkList() |
| { |
| mHwWorkListDirty = false; |
| HWComposer& hwc(graphicPlane(0).displayHardware().getHwComposer()); |
| if (hwc.initCheck() == NO_ERROR) { |
| const Vector< sp<LayerBase> >& currentLayers(mVisibleLayersSortedByZ); |
| const size_t count = currentLayers.size(); |
| hwc.createWorkList(count); |
| hwc_layer_t* const cur(hwc.getLayers()); |
| for (size_t i=0 ; cur && i<count ; i++) { |
| currentLayers[i]->setGeometry(&cur[i]); |
| if (mDebugDisableHWC || mDebugRegion) { |
| cur[i].compositionType = HWC_FRAMEBUFFER; |
| cur[i].flags |= HWC_SKIP_LAYER; |
| } |
| } |
| } |
| } |
| |
| void SurfaceFlinger::handleRepaint() |
| { |
| // compute the invalid region |
| mSwapRegion.orSelf(mDirtyRegion); |
| |
| if (UNLIKELY(mDebugRegion)) { |
| debugFlashRegions(); |
| } |
| |
| // set the frame buffer |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| glMatrixMode(GL_MODELVIEW); |
| glLoadIdentity(); |
| |
| uint32_t flags = hw.getFlags(); |
| if ((flags & DisplayHardware::SWAP_RECTANGLE) || |
| (flags & DisplayHardware::BUFFER_PRESERVED)) |
| { |
| // we can redraw only what's dirty, but since SWAP_RECTANGLE only |
| // takes a rectangle, we must make sure to update that whole |
| // rectangle in that case |
| if (flags & DisplayHardware::SWAP_RECTANGLE) { |
| // TODO: we really should be able to pass a region to |
| // SWAP_RECTANGLE so that we don't have to redraw all this. |
| mDirtyRegion.set(mSwapRegion.bounds()); |
| } else { |
| // in the BUFFER_PRESERVED case, obviously, we can update only |
| // what's needed and nothing more. |
| // NOTE: this is NOT a common case, as preserving the backbuffer |
| // is costly and usually involves copying the whole update back. |
| } |
| } else { |
| if (flags & DisplayHardware::PARTIAL_UPDATES) { |
| // We need to redraw the rectangle that will be updated |
| // (pushed to the framebuffer). |
| // This is needed because PARTIAL_UPDATES only takes one |
| // rectangle instead of a region (see DisplayHardware::flip()) |
| mDirtyRegion.set(mSwapRegion.bounds()); |
| } else { |
| // we need to redraw everything (the whole screen) |
| mDirtyRegion.set(hw.bounds()); |
| mSwapRegion = mDirtyRegion; |
| } |
| } |
| |
| setupHardwareComposer(mDirtyRegion); |
| composeSurfaces(mDirtyRegion); |
| |
| // update the swap region and clear the dirty region |
| mSwapRegion.orSelf(mDirtyRegion); |
| mDirtyRegion.clear(); |
| } |
| |
| void SurfaceFlinger::setupHardwareComposer(Region& dirtyInOut) |
| { |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| HWComposer& hwc(hw.getHwComposer()); |
| hwc_layer_t* const cur(hwc.getLayers()); |
| if (!cur) { |
| return; |
| } |
| |
| const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ); |
| size_t count = layers.size(); |
| |
| LOGE_IF(hwc.getNumLayers() != count, |
| "HAL number of layers (%d) doesn't match surfaceflinger (%d)", |
| hwc.getNumLayers(), count); |
| |
| // just to be extra-safe, use the smallest count |
| if (hwc.initCheck() == NO_ERROR) { |
| count = count < hwc.getNumLayers() ? count : hwc.getNumLayers(); |
| } |
| |
| /* |
| * update the per-frame h/w composer data for each layer |
| * and build the transparent region of the FB |
| */ |
| for (size_t i=0 ; i<count ; i++) { |
| const sp<LayerBase>& layer(layers[i]); |
| layer->setPerFrameData(&cur[i]); |
| } |
| const size_t fbLayerCount = hwc.getLayerCount(HWC_FRAMEBUFFER); |
| status_t err = hwc.prepare(); |
| LOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err)); |
| |
| if (err == NO_ERROR) { |
| // what's happening here is tricky. |
| // we want to clear all the layers with the CLEAR_FB flags |
| // that are opaque. |
| // however, since some GPU are efficient at preserving |
| // the backbuffer, we want to take advantage of that so we do the |
| // clear only in the dirty region (other areas will be preserved |
| // on those GPUs). |
| // NOTE: on non backbuffer preserving GPU, the dirty region |
| // has already been expanded as needed, so the code is correct |
| // there too. |
| // |
| // However, the content of the framebuffer cannot be trusted when |
| // we switch to/from FB/OVERLAY, in which case we need to |
| // expand the dirty region to those areas too. |
| // |
| // Note also that there is a special case when switching from |
| // "no layers in FB" to "some layers in FB", where we need to redraw |
| // the entire FB, since some areas might contain uninitialized |
| // data. |
| // |
| // Also we want to make sure to not clear areas that belong to |
| // layers above that won't redraw (we would just be erasing them), |
| // that is, we can't erase anything outside the dirty region. |
| |
| Region transparent; |
| |
| if (!fbLayerCount && hwc.getLayerCount(HWC_FRAMEBUFFER)) { |
| transparent.set(hw.getBounds()); |
| dirtyInOut = transparent; |
| } else { |
| for (size_t i=0 ; i<count ; i++) { |
| const sp<LayerBase>& layer(layers[i]); |
| if ((cur[i].hints & HWC_HINT_CLEAR_FB) && layer->isOpaque()) { |
| transparent.orSelf(layer->visibleRegionScreen); |
| } |
| bool isOverlay = (cur[i].compositionType != HWC_FRAMEBUFFER); |
| if (isOverlay != layer->isOverlay()) { |
| // we transitioned to/from overlay, so add this layer |
| // to the dirty region so the framebuffer can be either |
| // cleared or redrawn. |
| dirtyInOut.orSelf(layer->visibleRegionScreen); |
| } |
| layer->setOverlay(isOverlay); |
| } |
| // don't erase stuff outside the dirty region |
| transparent.andSelf(dirtyInOut); |
| } |
| |
| /* |
| * clear the area of the FB that need to be transparent |
| */ |
| if (!transparent.isEmpty()) { |
| glClearColor(0,0,0,0); |
| Region::const_iterator it = transparent.begin(); |
| Region::const_iterator const end = transparent.end(); |
| const int32_t height = hw.getHeight(); |
| while (it != end) { |
| const Rect& r(*it++); |
| const GLint sy = height - (r.top + r.height()); |
| glScissor(r.left, sy, r.width(), r.height()); |
| glClear(GL_COLOR_BUFFER_BIT); |
| } |
| } |
| } |
| } |
| |
| void SurfaceFlinger::composeSurfaces(const Region& dirty) |
| { |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| HWComposer& hwc(hw.getHwComposer()); |
| |
| const size_t fbLayerCount = hwc.getLayerCount(HWC_FRAMEBUFFER); |
| if (UNLIKELY(fbLayerCount && !mWormholeRegion.isEmpty())) { |
| // should never happen unless the window manager has a bug |
| // draw something... |
| drawWormhole(); |
| } |
| |
| /* |
| * and then, render the layers targeted at the framebuffer |
| */ |
| hwc_layer_t* const cur(hwc.getLayers()); |
| const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ); |
| size_t count = layers.size(); |
| for (size_t i=0 ; i<count ; i++) { |
| if (cur && (cur[i].compositionType != HWC_FRAMEBUFFER)) { |
| continue; |
| } |
| const sp<LayerBase>& layer(layers[i]); |
| const Region clip(dirty.intersect(layer->visibleRegionScreen)); |
| if (!clip.isEmpty()) { |
| layer->draw(clip); |
| } |
| } |
| } |
| |
| void SurfaceFlinger::debugFlashRegions() |
| { |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| const uint32_t flags = hw.getFlags(); |
| const int32_t height = hw.getHeight(); |
| if (mSwapRegion.isEmpty()) { |
| return; |
| } |
| |
| if (!((flags & DisplayHardware::SWAP_RECTANGLE) || |
| (flags & DisplayHardware::BUFFER_PRESERVED))) { |
| const Region repaint((flags & DisplayHardware::PARTIAL_UPDATES) ? |
| mDirtyRegion.bounds() : hw.bounds()); |
| composeSurfaces(repaint); |
| } |
| |
| glDisable(GL_TEXTURE_EXTERNAL_OES); |
| glDisable(GL_TEXTURE_2D); |
| glDisable(GL_BLEND); |
| glDisable(GL_SCISSOR_TEST); |
| |
| static int toggle = 0; |
| toggle = 1 - toggle; |
| if (toggle) { |
| glColor4f(1, 0, 1, 1); |
| } else { |
| glColor4f(1, 1, 0, 1); |
| } |
| |
| Region::const_iterator it = mDirtyRegion.begin(); |
| Region::const_iterator const end = mDirtyRegion.end(); |
| while (it != end) { |
| const Rect& r = *it++; |
| GLfloat vertices[][2] = { |
| { r.left, height - r.top }, |
| { r.left, height - r.bottom }, |
| { r.right, height - r.bottom }, |
| { r.right, height - r.top } |
| }; |
| glVertexPointer(2, GL_FLOAT, 0, vertices); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| } |
| |
| hw.flip(mSwapRegion); |
| |
| if (mDebugRegion > 1) |
| usleep(mDebugRegion * 1000); |
| |
| glEnable(GL_SCISSOR_TEST); |
| } |
| |
| void SurfaceFlinger::drawWormhole() const |
| { |
| const Region region(mWormholeRegion.intersect(mDirtyRegion)); |
| if (region.isEmpty()) |
| return; |
| |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| const int32_t width = hw.getWidth(); |
| const int32_t height = hw.getHeight(); |
| |
| if (LIKELY(!mDebugBackground)) { |
| glClearColor(0,0,0,0); |
| Region::const_iterator it = region.begin(); |
| Region::const_iterator const end = region.end(); |
| while (it != end) { |
| const Rect& r = *it++; |
| const GLint sy = height - (r.top + r.height()); |
| glScissor(r.left, sy, r.width(), r.height()); |
| glClear(GL_COLOR_BUFFER_BIT); |
| } |
| } else { |
| const GLshort vertices[][2] = { { 0, 0 }, { width, 0 }, |
| { width, height }, { 0, height } }; |
| const GLshort tcoords[][2] = { { 0, 0 }, { 1, 0 }, { 1, 1 }, { 0, 1 } }; |
| |
| glVertexPointer(2, GL_SHORT, 0, vertices); |
| glTexCoordPointer(2, GL_SHORT, 0, tcoords); |
| glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
| |
| glDisable(GL_TEXTURE_EXTERNAL_OES); |
| glEnable(GL_TEXTURE_2D); |
| glBindTexture(GL_TEXTURE_2D, mWormholeTexName); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| glMatrixMode(GL_TEXTURE); |
| glLoadIdentity(); |
| |
| glDisable(GL_BLEND); |
| |
| glScalef(width*(1.0f/32.0f), height*(1.0f/32.0f), 1); |
| Region::const_iterator it = region.begin(); |
| Region::const_iterator const end = region.end(); |
| while (it != end) { |
| const Rect& r = *it++; |
| const GLint sy = height - (r.top + r.height()); |
| glScissor(r.left, sy, r.width(), r.height()); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| } |
| glDisableClientState(GL_TEXTURE_COORD_ARRAY); |
| glDisable(GL_TEXTURE_2D); |
| glLoadIdentity(); |
| glMatrixMode(GL_MODELVIEW); |
| } |
| } |
| |
| void SurfaceFlinger::debugShowFPS() const |
| { |
| static int mFrameCount; |
| static int mLastFrameCount = 0; |
| static nsecs_t mLastFpsTime = 0; |
| static float mFps = 0; |
| mFrameCount++; |
| nsecs_t now = systemTime(); |
| nsecs_t diff = now - mLastFpsTime; |
| if (diff > ms2ns(250)) { |
| mFps = ((mFrameCount - mLastFrameCount) * float(s2ns(1))) / diff; |
| mLastFpsTime = now; |
| mLastFrameCount = mFrameCount; |
| } |
| // XXX: mFPS has the value we want |
| } |
| |
| status_t SurfaceFlinger::addLayer(const sp<LayerBase>& layer) |
| { |
| Mutex::Autolock _l(mStateLock); |
| addLayer_l(layer); |
| setTransactionFlags(eTransactionNeeded|eTraversalNeeded); |
| return NO_ERROR; |
| } |
| |
| status_t SurfaceFlinger::addLayer_l(const sp<LayerBase>& layer) |
| { |
| ssize_t i = mCurrentState.layersSortedByZ.add(layer); |
| return (i < 0) ? status_t(i) : status_t(NO_ERROR); |
| } |
| |
| ssize_t SurfaceFlinger::addClientLayer(const sp<Client>& client, |
| const sp<LayerBaseClient>& lbc) |
| { |
| // attach this layer to the client |
| size_t name = client->attachLayer(lbc); |
| |
| Mutex::Autolock _l(mStateLock); |
| |
| // add this layer to the current state list |
| addLayer_l(lbc); |
| |
| return ssize_t(name); |
| } |
| |
| status_t SurfaceFlinger::removeLayer(const sp<LayerBase>& layer) |
| { |
| Mutex::Autolock _l(mStateLock); |
| status_t err = purgatorizeLayer_l(layer); |
| if (err == NO_ERROR) |
| setTransactionFlags(eTransactionNeeded); |
| return err; |
| } |
| |
| status_t SurfaceFlinger::removeLayer_l(const sp<LayerBase>& layerBase) |
| { |
| sp<LayerBaseClient> lbc(layerBase->getLayerBaseClient()); |
| if (lbc != 0) { |
| mLayerMap.removeItem( lbc->getSurfaceBinder() ); |
| } |
| ssize_t index = mCurrentState.layersSortedByZ.remove(layerBase); |
| if (index >= 0) { |
| mLayersRemoved = true; |
| return NO_ERROR; |
| } |
| return status_t(index); |
| } |
| |
| status_t SurfaceFlinger::purgatorizeLayer_l(const sp<LayerBase>& layerBase) |
| { |
| // First add the layer to the purgatory list, which makes sure it won't |
| // go away, then remove it from the main list (through a transaction). |
| ssize_t err = removeLayer_l(layerBase); |
| if (err >= 0) { |
| mLayerPurgatory.add(layerBase); |
| } |
| |
| layerBase->onRemoved(); |
| |
| // it's possible that we don't find a layer, because it might |
| // have been destroyed already -- this is not technically an error |
| // from the user because there is a race between Client::destroySurface(), |
| // ~Client() and ~ISurface(). |
| return (err == NAME_NOT_FOUND) ? status_t(NO_ERROR) : err; |
| } |
| |
| status_t SurfaceFlinger::invalidateLayerVisibility(const sp<LayerBase>& layer) |
| { |
| layer->forceVisibilityTransaction(); |
| setTransactionFlags(eTraversalNeeded); |
| return NO_ERROR; |
| } |
| |
| uint32_t SurfaceFlinger::peekTransactionFlags(uint32_t flags) |
| { |
| return android_atomic_release_load(&mTransactionFlags); |
| } |
| |
| uint32_t SurfaceFlinger::getTransactionFlags(uint32_t flags) |
| { |
| return android_atomic_and(~flags, &mTransactionFlags) & flags; |
| } |
| |
| uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags) |
| { |
| uint32_t old = android_atomic_or(flags, &mTransactionFlags); |
| if ((old & flags)==0) { // wake the server up |
| signalEvent(); |
| } |
| return old; |
| } |
| |
| |
| void SurfaceFlinger::setTransactionState(const Vector<ComposerState>& state, |
| int orientation, uint32_t flags) { |
| Mutex::Autolock _l(mStateLock); |
| |
| uint32_t transactionFlags = 0; |
| if (mCurrentState.orientation != orientation) { |
| if (uint32_t(orientation)<=eOrientation270 || orientation==42) { |
| mCurrentState.orientation = orientation; |
| transactionFlags |= eTransactionNeeded; |
| } else if (orientation != eOrientationUnchanged) { |
| LOGW("setTransactionState: ignoring unrecognized orientation: %d", |
| orientation); |
| } |
| } |
| |
| const size_t count = state.size(); |
| for (size_t i=0 ; i<count ; i++) { |
| const ComposerState& s(state[i]); |
| sp<Client> client( static_cast<Client *>(s.client.get()) ); |
| transactionFlags |= setClientStateLocked(client, s.state); |
| } |
| if (transactionFlags) { |
| 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. |
| LOGW_IF(err == TIMED_OUT, "closeGlobalTransaction timed out!"); |
| mTransationPending = false; |
| break; |
| } |
| } |
| } |
| |
| int SurfaceFlinger::setOrientation(DisplayID dpy, |
| int orientation, uint32_t flags) |
| { |
| if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT)) |
| return BAD_VALUE; |
| |
| Mutex::Autolock _l(mStateLock); |
| if (mCurrentState.orientation != orientation) { |
| if (uint32_t(orientation)<=eOrientation270 || orientation==42) { |
| mCurrentState.orientationFlags = flags; |
| mCurrentState.orientation = orientation; |
| setTransactionFlags(eTransactionNeeded); |
| mTransactionCV.wait(mStateLock); |
| } else { |
| orientation = BAD_VALUE; |
| } |
| } |
| return orientation; |
| } |
| |
| sp<ISurface> SurfaceFlinger::createSurface( |
| ISurfaceComposerClient::surface_data_t* params, |
| const String8& name, |
| const sp<Client>& client, |
| DisplayID d, uint32_t w, uint32_t h, PixelFormat format, |
| uint32_t flags) |
| { |
| sp<LayerBaseClient> layer; |
| sp<ISurface> surfaceHandle; |
| |
| if (int32_t(w|h) < 0) { |
| LOGE("createSurface() failed, w or h is negative (w=%d, h=%d)", |
| int(w), int(h)); |
| return surfaceHandle; |
| } |
| |
| //LOGD("createSurface for pid %d (%d x %d)", pid, w, h); |
| sp<Layer> normalLayer; |
| switch (flags & eFXSurfaceMask) { |
| case eFXSurfaceNormal: |
| normalLayer = createNormalSurface(client, d, w, h, flags, format); |
| layer = normalLayer; |
| break; |
| case eFXSurfaceBlur: |
| // for now we treat Blur as Dim, until we can implement it |
| // efficiently. |
| case eFXSurfaceDim: |
| layer = createDimSurface(client, d, w, h, flags); |
| break; |
| case eFXSurfaceScreenshot: |
| layer = createScreenshotSurface(client, d, w, h, flags); |
| break; |
| } |
| |
| if (layer != 0) { |
| layer->initStates(w, h, flags); |
| layer->setName(name); |
| ssize_t token = addClientLayer(client, layer); |
| |
| surfaceHandle = layer->getSurface(); |
| if (surfaceHandle != 0) { |
| params->token = token; |
| params->identity = layer->getIdentity(); |
| if (normalLayer != 0) { |
| Mutex::Autolock _l(mStateLock); |
| mLayerMap.add(layer->getSurfaceBinder(), normalLayer); |
| } |
| } |
| |
| setTransactionFlags(eTransactionNeeded); |
| } |
| |
| return surfaceHandle; |
| } |
| |
| sp<Layer> SurfaceFlinger::createNormalSurface( |
| const sp<Client>& client, DisplayID display, |
| uint32_t w, uint32_t h, uint32_t flags, |
| PixelFormat& format) |
| { |
| // initialize the surfaces |
| switch (format) { // TODO: take h/w into account |
| case PIXEL_FORMAT_TRANSPARENT: |
| case PIXEL_FORMAT_TRANSLUCENT: |
| format = PIXEL_FORMAT_RGBA_8888; |
| break; |
| case PIXEL_FORMAT_OPAQUE: |
| #ifdef NO_RGBX_8888 |
| format = PIXEL_FORMAT_RGB_565; |
| #else |
| format = PIXEL_FORMAT_RGBX_8888; |
| #endif |
| break; |
| } |
| |
| #ifdef NO_RGBX_8888 |
| if (format == PIXEL_FORMAT_RGBX_8888) |
| format = PIXEL_FORMAT_RGBA_8888; |
| #endif |
| |
| sp<Layer> layer = new Layer(this, display, client); |
| status_t err = layer->setBuffers(w, h, format, flags); |
| if (LIKELY(err != NO_ERROR)) { |
| LOGE("createNormalSurfaceLocked() failed (%s)", strerror(-err)); |
| layer.clear(); |
| } |
| return layer; |
| } |
| |
| sp<LayerDim> SurfaceFlinger::createDimSurface( |
| const sp<Client>& client, DisplayID display, |
| uint32_t w, uint32_t h, uint32_t flags) |
| { |
| sp<LayerDim> layer = new LayerDim(this, display, client); |
| return layer; |
| } |
| |
| sp<LayerScreenshot> SurfaceFlinger::createScreenshotSurface( |
| const sp<Client>& client, DisplayID display, |
| uint32_t w, uint32_t h, uint32_t flags) |
| { |
| sp<LayerScreenshot> layer = new LayerScreenshot(this, display, client); |
| return layer; |
| } |
| |
| status_t SurfaceFlinger::removeSurface(const sp<Client>& client, SurfaceID sid) |
| { |
| /* |
| * called by the window manager, when a surface should be marked for |
| * destruction. |
| * |
| * The surface is removed from the current and drawing lists, but placed |
| * in the purgatory queue, so it's not destroyed right-away (we need |
| * to wait for all client's references to go away first). |
| */ |
| |
| status_t err = NAME_NOT_FOUND; |
| Mutex::Autolock _l(mStateLock); |
| sp<LayerBaseClient> layer = client->getLayerUser(sid); |
| if (layer != 0) { |
| err = purgatorizeLayer_l(layer); |
| if (err == NO_ERROR) { |
| setTransactionFlags(eTransactionNeeded); |
| } |
| } |
| return err; |
| } |
| |
| status_t SurfaceFlinger::destroySurface(const wp<LayerBaseClient>& layer) |
| { |
| // called by ~ISurface() when all references are gone |
| status_t err = NO_ERROR; |
| sp<LayerBaseClient> l(layer.promote()); |
| if (l != NULL) { |
| Mutex::Autolock _l(mStateLock); |
| err = removeLayer_l(l); |
| if (err == NAME_NOT_FOUND) { |
| // The surface wasn't in the current list, which means it was |
| // removed already, which means it is in the purgatory, |
| // and need to be removed from there. |
| ssize_t idx = mLayerPurgatory.remove(l); |
| LOGE_IF(idx < 0, |
| "layer=%p is not in the purgatory list", l.get()); |
| } |
| LOGE_IF(err<0 && err != NAME_NOT_FOUND, |
| "error removing layer=%p (%s)", l.get(), strerror(-err)); |
| } |
| return err; |
| } |
| |
| uint32_t SurfaceFlinger::setClientStateLocked( |
| const sp<Client>& client, |
| const layer_state_t& s) |
| { |
| uint32_t flags = 0; |
| sp<LayerBaseClient> layer(client->getLayerUser(s.surface)); |
| if (layer != 0) { |
| const uint32_t what = s.what; |
| if (what & ePositionChanged) { |
| if (layer->setPosition(s.x, s.y)) |
| flags |= eTraversalNeeded; |
| } |
| if (what & eLayerChanged) { |
| ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer); |
| if (layer->setLayer(s.z)) { |
| mCurrentState.layersSortedByZ.removeAt(idx); |
| mCurrentState.layersSortedByZ.add(layer); |
| // we need traversal (state changed) |
| // AND transaction (list changed) |
| flags |= eTransactionNeeded|eTraversalNeeded; |
| } |
| } |
| if (what & eSizeChanged) { |
| if (layer->setSize(s.w, s.h)) { |
| flags |= eTraversalNeeded; |
| } |
| } |
| if (what & eAlphaChanged) { |
| if (layer->setAlpha(uint8_t(255.0f*s.alpha+0.5f))) |
| flags |= eTraversalNeeded; |
| } |
| if (what & eMatrixChanged) { |
| if (layer->setMatrix(s.matrix)) |
| flags |= eTraversalNeeded; |
| } |
| if (what & eTransparentRegionChanged) { |
| if (layer->setTransparentRegionHint(s.transparentRegion)) |
| flags |= eTraversalNeeded; |
| } |
| if (what & eVisibilityChanged) { |
| if (layer->setFlags(s.flags, s.mask)) |
| flags |= eTraversalNeeded; |
| } |
| } |
| return flags; |
| } |
| |
| void SurfaceFlinger::screenReleased(int dpy) |
| { |
| // this may be called by a signal handler, we can't do too much in here |
| android_atomic_or(eConsoleReleased, &mConsoleSignals); |
| signalEvent(); |
| } |
| |
| void SurfaceFlinger::screenAcquired(int dpy) |
| { |
| // this may be called by a signal handler, we can't do too much in here |
| android_atomic_or(eConsoleAcquired, &mConsoleSignals); |
| signalEvent(); |
| } |
| |
| status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args) |
| { |
| const size_t SIZE = 4096; |
| char buffer[SIZE]; |
| String8 result; |
| |
| if (!PermissionCache::checkCallingPermission(sDump)) { |
| snprintf(buffer, SIZE, "Permission Denial: " |
| "can't dump SurfaceFlinger from pid=%d, uid=%d\n", |
| IPCThreadState::self()->getCallingPid(), |
| IPCThreadState::self()->getCallingUid()); |
| result.append(buffer); |
| } else { |
| |
| // figure out if we're stuck somewhere |
| const nsecs_t now = systemTime(); |
| const nsecs_t inSwapBuffers(mDebugInSwapBuffers); |
| const nsecs_t inTransaction(mDebugInTransaction); |
| nsecs_t inSwapBuffersDuration = (inSwapBuffers) ? now-inSwapBuffers : 0; |
| nsecs_t inTransactionDuration = (inTransaction) ? now-inTransaction : 0; |
| |
| // Try to get the main lock, but don't insist if we can't |
| // (this would indicate SF is stuck, but we want to be able to |
| // print something in dumpsys). |
| int retry = 3; |
| while (mStateLock.tryLock()<0 && --retry>=0) { |
| usleep(1000000); |
| } |
| const bool locked(retry >= 0); |
| if (!locked) { |
| snprintf(buffer, SIZE, |
| "SurfaceFlinger appears to be unresponsive, " |
| "dumping anyways (no locks held)\n"); |
| result.append(buffer); |
| } |
| |
| /* |
| * Dump the visible layer list |
| */ |
| const LayerVector& currentLayers = mCurrentState.layersSortedByZ; |
| const size_t count = currentLayers.size(); |
| snprintf(buffer, SIZE, "Visible layers (count = %d)\n", count); |
| result.append(buffer); |
| for (size_t i=0 ; i<count ; i++) { |
| const sp<LayerBase>& layer(currentLayers[i]); |
| layer->dump(result, buffer, SIZE); |
| const Layer::State& s(layer->drawingState()); |
| s.transparentRegion.dump(result, "transparentRegion"); |
| layer->transparentRegionScreen.dump(result, "transparentRegionScreen"); |
| layer->visibleRegionScreen.dump(result, "visibleRegionScreen"); |
| } |
| |
| /* |
| * Dump the layers in the purgatory |
| */ |
| |
| const size_t purgatorySize = mLayerPurgatory.size(); |
| snprintf(buffer, SIZE, "Purgatory state (%d entries)\n", purgatorySize); |
| result.append(buffer); |
| for (size_t i=0 ; i<purgatorySize ; i++) { |
| const sp<LayerBase>& layer(mLayerPurgatory.itemAt(i)); |
| layer->shortDump(result, buffer, SIZE); |
| } |
| |
| /* |
| * Dump SurfaceFlinger global state |
| */ |
| |
| snprintf(buffer, SIZE, "SurfaceFlinger global state:\n"); |
| result.append(buffer); |
| |
| const GLExtensions& extensions(GLExtensions::getInstance()); |
| snprintf(buffer, SIZE, "GLES: %s, %s, %s\n", |
| extensions.getVendor(), |
| extensions.getRenderer(), |
| extensions.getVersion()); |
| result.append(buffer); |
| snprintf(buffer, SIZE, "EXTS: %s\n", extensions.getExtension()); |
| result.append(buffer); |
| |
| mWormholeRegion.dump(result, "WormholeRegion"); |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| snprintf(buffer, SIZE, |
| " orientation=%d, canDraw=%d\n", |
| mCurrentState.orientation, hw.canDraw()); |
| result.append(buffer); |
| snprintf(buffer, SIZE, |
| " last eglSwapBuffers() time: %f us\n" |
| " last transaction time : %f us\n" |
| " refresh-rate : %f fps\n" |
| " x-dpi : %f\n" |
| " y-dpi : %f\n", |
| mLastSwapBufferTime/1000.0, |
| mLastTransactionTime/1000.0, |
| hw.getRefreshRate(), |
| hw.getDpiX(), |
| hw.getDpiY()); |
| result.append(buffer); |
| |
| if (inSwapBuffersDuration || !locked) { |
| snprintf(buffer, SIZE, " eglSwapBuffers time: %f us\n", |
| inSwapBuffersDuration/1000.0); |
| result.append(buffer); |
| } |
| |
| if (inTransactionDuration || !locked) { |
| snprintf(buffer, SIZE, " transaction time: %f us\n", |
| inTransactionDuration/1000.0); |
| result.append(buffer); |
| } |
| |
| /* |
| * Dump HWComposer state |
| */ |
| HWComposer& hwc(hw.getHwComposer()); |
| snprintf(buffer, SIZE, " h/w composer %s and %s\n", |
| hwc.initCheck()==NO_ERROR ? "present" : "not present", |
| (mDebugDisableHWC || mDebugRegion) ? "disabled" : "enabled"); |
| result.append(buffer); |
| hwc.dump(result, buffer, SIZE, mVisibleLayersSortedByZ); |
| |
| /* |
| * Dump gralloc state |
| */ |
| const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get()); |
| alloc.dump(result); |
| hw.dump(result); |
| |
| if (locked) { |
| mStateLock.unlock(); |
| } |
| } |
| write(fd, result.string(), result.size()); |
| return NO_ERROR; |
| } |
| |
| status_t SurfaceFlinger::onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| { |
| switch (code) { |
| case CREATE_CONNECTION: |
| case SET_TRANSACTION_STATE: |
| case SET_ORIENTATION: |
| case BOOT_FINISHED: |
| case TURN_ELECTRON_BEAM_OFF: |
| case TURN_ELECTRON_BEAM_ON: |
| { |
| // codes that require permission check |
| IPCThreadState* ipc = IPCThreadState::self(); |
| const int pid = ipc->getCallingPid(); |
| const int uid = ipc->getCallingUid(); |
| if ((uid != AID_GRAPHICS) && |
| !PermissionCache::checkPermission(sAccessSurfaceFlinger, pid, uid)) { |
| LOGE("Permission Denial: " |
| "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid); |
| return PERMISSION_DENIED; |
| } |
| break; |
| } |
| case CAPTURE_SCREEN: |
| { |
| // codes that require permission check |
| IPCThreadState* ipc = IPCThreadState::self(); |
| const int pid = ipc->getCallingPid(); |
| const int uid = ipc->getCallingUid(); |
| if ((uid != AID_GRAPHICS) && |
| !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) { |
| LOGE("Permission Denial: " |
| "can't read framebuffer pid=%d, uid=%d", pid, uid); |
| return PERMISSION_DENIED; |
| } |
| break; |
| } |
| } |
| |
| status_t err = BnSurfaceComposer::onTransact(code, data, reply, flags); |
| if (err == UNKNOWN_TRANSACTION || err == PERMISSION_DENIED) { |
| CHECK_INTERFACE(ISurfaceComposer, data, reply); |
| if (UNLIKELY(!PermissionCache::checkCallingPermission(sHardwareTest))) { |
| IPCThreadState* ipc = IPCThreadState::self(); |
| const int pid = ipc->getCallingPid(); |
| const int uid = ipc->getCallingUid(); |
| LOGE("Permission Denial: " |
| "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid); |
| return PERMISSION_DENIED; |
| } |
| int n; |
| switch (code) { |
| case 1000: // SHOW_CPU, NOT SUPPORTED ANYMORE |
| case 1001: // SHOW_FPS, NOT SUPPORTED ANYMORE |
| return NO_ERROR; |
| case 1002: // SHOW_UPDATES |
| n = data.readInt32(); |
| mDebugRegion = n ? n : (mDebugRegion ? 0 : 1); |
| invalidateHwcGeometry(); |
| repaintEverything(); |
| return NO_ERROR; |
| case 1003: // SHOW_BACKGROUND |
| n = data.readInt32(); |
| mDebugBackground = n ? 1 : 0; |
| return NO_ERROR; |
| case 1004:{ // repaint everything |
| repaintEverything(); |
| return NO_ERROR; |
| } |
| case 1005:{ // force transaction |
| setTransactionFlags(eTransactionNeeded|eTraversalNeeded); |
| return NO_ERROR; |
| } |
| case 1006:{ // enable/disable GraphicLog |
| int enabled = data.readInt32(); |
| GraphicLog::getInstance().setEnabled(enabled); |
| return NO_ERROR; |
| } |
| case 1008: // toggle use of hw composer |
| n = data.readInt32(); |
| mDebugDisableHWC = n ? 1 : 0; |
| invalidateHwcGeometry(); |
| repaintEverything(); |
| return NO_ERROR; |
| case 1009: // toggle use of transform hint |
| n = data.readInt32(); |
| mDebugDisableTransformHint = n ? 1 : 0; |
| invalidateHwcGeometry(); |
| repaintEverything(); |
| return NO_ERROR; |
| case 1010: // interrogate. |
| reply->writeInt32(0); |
| reply->writeInt32(0); |
| reply->writeInt32(mDebugRegion); |
| reply->writeInt32(mDebugBackground); |
| return NO_ERROR; |
| case 1013: { |
| Mutex::Autolock _l(mStateLock); |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| reply->writeInt32(hw.getPageFlipCount()); |
| } |
| return NO_ERROR; |
| } |
| } |
| return err; |
| } |
| |
| void SurfaceFlinger::repaintEverything() { |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| const Rect bounds(hw.getBounds()); |
| setInvalidateRegion(Region(bounds)); |
| signalEvent(); |
| } |
| |
| void SurfaceFlinger::setInvalidateRegion(const Region& reg) { |
| Mutex::Autolock _l(mInvalidateLock); |
| mInvalidateRegion = reg; |
| } |
| |
| Region SurfaceFlinger::getAndClearInvalidateRegion() { |
| Mutex::Autolock _l(mInvalidateLock); |
| Region reg(mInvalidateRegion); |
| mInvalidateRegion.clear(); |
| return reg; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| status_t SurfaceFlinger::renderScreenToTexture(DisplayID dpy, |
| GLuint* textureName, GLfloat* uOut, GLfloat* vOut) |
| { |
| Mutex::Autolock _l(mStateLock); |
| return renderScreenToTextureLocked(dpy, textureName, uOut, vOut); |
| } |
| |
| status_t SurfaceFlinger::renderScreenToTextureLocked(DisplayID dpy, |
| GLuint* textureName, GLfloat* uOut, GLfloat* vOut) |
| { |
| if (!GLExtensions::getInstance().haveFramebufferObject()) |
| return INVALID_OPERATION; |
| |
| // get screen geometry |
| const DisplayHardware& hw(graphicPlane(dpy).displayHardware()); |
| const uint32_t hw_w = hw.getWidth(); |
| const uint32_t hw_h = hw.getHeight(); |
| GLfloat u = 1; |
| GLfloat v = 1; |
| |
| // make sure to clear all GL error flags |
| while ( glGetError() != GL_NO_ERROR ) ; |
| |
| // create a FBO |
| GLuint name, tname; |
| glGenTextures(1, &tname); |
| glBindTexture(GL_TEXTURE_2D, tname); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, |
| hw_w, hw_h, 0, GL_RGB, GL_UNSIGNED_BYTE, 0); |
| if (glGetError() != GL_NO_ERROR) { |
| while ( glGetError() != GL_NO_ERROR ) ; |
| GLint tw = (2 << (31 - clz(hw_w))); |
| GLint th = (2 << (31 - clz(hw_h))); |
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, |
| tw, th, 0, GL_RGB, GL_UNSIGNED_BYTE, 0); |
| u = GLfloat(hw_w) / tw; |
| v = GLfloat(hw_h) / th; |
| } |
| glGenFramebuffersOES(1, &name); |
| glBindFramebufferOES(GL_FRAMEBUFFER_OES, name); |
| glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, |
| GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0); |
| |
| // redraw the screen entirely... |
| glDisable(GL_TEXTURE_EXTERNAL_OES); |
| glDisable(GL_TEXTURE_2D); |
| glDisable(GL_SCISSOR_TEST); |
| glClearColor(0,0,0,1); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glEnable(GL_SCISSOR_TEST); |
| glMatrixMode(GL_MODELVIEW); |
| glLoadIdentity(); |
| const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ); |
| const size_t count = layers.size(); |
| for (size_t i=0 ; i<count ; ++i) { |
| const sp<LayerBase>& layer(layers[i]); |
| layer->drawForSreenShot(); |
| } |
| |
| hw.compositionComplete(); |
| |
| // back to main framebuffer |
| glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0); |
| glDisable(GL_SCISSOR_TEST); |
| glDeleteFramebuffersOES(1, &name); |
| |
| *textureName = tname; |
| *uOut = u; |
| *vOut = v; |
| return NO_ERROR; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| status_t SurfaceFlinger::electronBeamOffAnimationImplLocked() |
| { |
| // get screen geometry |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| const uint32_t hw_w = hw.getWidth(); |
| const uint32_t hw_h = hw.getHeight(); |
| const Region screenBounds(hw.getBounds()); |
| |
| GLfloat u, v; |
| GLuint tname; |
| status_t result = renderScreenToTextureLocked(0, &tname, &u, &v); |
| if (result != NO_ERROR) { |
| return result; |
| } |
| |
| GLfloat vtx[8]; |
| const GLfloat texCoords[4][2] = { {0,0}, {0,v}, {u,v}, {u,0} }; |
| glBindTexture(GL_TEXTURE_2D, tname); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| glTexCoordPointer(2, GL_FLOAT, 0, texCoords); |
| glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
| glVertexPointer(2, GL_FLOAT, 0, vtx); |
| |
| /* |
| * Texture coordinate mapping |
| * |
| * u |
| * 1 +----------+---+ |
| * | | | | image is inverted |
| * | V | | w.r.t. the texture |
| * 1-v +----------+ | coordinates |
| * | | |
| * | | |
| * | | |
| * 0 +--------------+ |
| * 0 1 |
| * |
| */ |
| |
| class s_curve_interpolator { |
| const float nbFrames, s, v; |
| public: |
| s_curve_interpolator(int nbFrames, float s) |
| : nbFrames(1.0f / (nbFrames-1)), s(s), |
| v(1.0f + expf(-s + 0.5f*s)) { |
| } |
| float operator()(int f) { |
| const float x = f * nbFrames; |
| return ((1.0f/(1.0f + expf(-x*s + 0.5f*s))) - 0.5f) * v + 0.5f; |
| } |
| }; |
| |
| class v_stretch { |
| const GLfloat hw_w, hw_h; |
| public: |
| v_stretch(uint32_t hw_w, uint32_t hw_h) |
| : hw_w(hw_w), hw_h(hw_h) { |
| } |
| void operator()(GLfloat* vtx, float v) { |
| const GLfloat w = hw_w + (hw_w * v); |
| const GLfloat h = hw_h - (hw_h * v); |
| const GLfloat x = (hw_w - w) * 0.5f; |
| const GLfloat y = (hw_h - h) * 0.5f; |
| vtx[0] = x; vtx[1] = y; |
| vtx[2] = x; vtx[3] = y + h; |
| vtx[4] = x + w; vtx[5] = y + h; |
| vtx[6] = x + w; vtx[7] = y; |
| } |
| }; |
| |
| class h_stretch { |
| const GLfloat hw_w, hw_h; |
| public: |
| h_stretch(uint32_t hw_w, uint32_t hw_h) |
| : hw_w(hw_w), hw_h(hw_h) { |
| } |
| void operator()(GLfloat* vtx, float v) { |
| const GLfloat w = hw_w - (hw_w * v); |
| const GLfloat h = 1.0f; |
| const GLfloat x = (hw_w - w) * 0.5f; |
| const GLfloat y = (hw_h - h) * 0.5f; |
| vtx[0] = x; vtx[1] = y; |
| vtx[2] = x; vtx[3] = y + h; |
| vtx[4] = x + w; vtx[5] = y + h; |
| vtx[6] = x + w; vtx[7] = y; |
| } |
| }; |
| |
| // the full animation is 24 frames |
| char value[PROPERTY_VALUE_MAX]; |
| property_get("debug.sf.electron_frames", value, "24"); |
| int nbFrames = (atoi(value) + 1) >> 1; |
| if (nbFrames <= 0) // just in case |
| nbFrames = 24; |
| |
| s_curve_interpolator itr(nbFrames, 7.5f); |
| s_curve_interpolator itg(nbFrames, 8.0f); |
| s_curve_interpolator itb(nbFrames, 8.5f); |
| |
| v_stretch vverts(hw_w, hw_h); |
| |
| glMatrixMode(GL_TEXTURE); |
| glLoadIdentity(); |
| glMatrixMode(GL_MODELVIEW); |
| glLoadIdentity(); |
| |
| glEnable(GL_BLEND); |
| glBlendFunc(GL_ONE, GL_ONE); |
| for (int i=0 ; i<nbFrames ; i++) { |
| float x, y, w, h; |
| const float vr = itr(i); |
| const float vg = itg(i); |
| const float vb = itb(i); |
| |
| // clear screen |
| glColorMask(1,1,1,1); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glEnable(GL_TEXTURE_2D); |
| |
| // draw the red plane |
| vverts(vtx, vr); |
| glColorMask(1,0,0,1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| |
| // draw the green plane |
| vverts(vtx, vg); |
| glColorMask(0,1,0,1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| |
| // draw the blue plane |
| vverts(vtx, vb); |
| glColorMask(0,0,1,1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| |
| // draw the white highlight (we use the last vertices) |
| glDisable(GL_TEXTURE_2D); |
| glColorMask(1,1,1,1); |
| glColor4f(vg, vg, vg, 1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| hw.flip(screenBounds); |
| } |
| |
| h_stretch hverts(hw_w, hw_h); |
| glDisable(GL_BLEND); |
| glDisable(GL_TEXTURE_2D); |
| glColorMask(1,1,1,1); |
| for (int i=0 ; i<nbFrames ; i++) { |
| const float v = itg(i); |
| hverts(vtx, v); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glColor4f(1-v, 1-v, 1-v, 1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| hw.flip(screenBounds); |
| } |
| |
| glColorMask(1,1,1,1); |
| glEnable(GL_SCISSOR_TEST); |
| glDisableClientState(GL_TEXTURE_COORD_ARRAY); |
| glDeleteTextures(1, &tname); |
| glDisable(GL_TEXTURE_2D); |
| glDisable(GL_BLEND); |
| return NO_ERROR; |
| } |
| |
| status_t SurfaceFlinger::electronBeamOnAnimationImplLocked() |
| { |
| status_t result = PERMISSION_DENIED; |
| |
| if (!GLExtensions::getInstance().haveFramebufferObject()) |
| return INVALID_OPERATION; |
| |
| |
| // get screen geometry |
| const DisplayHardware& hw(graphicPlane(0).displayHardware()); |
| const uint32_t hw_w = hw.getWidth(); |
| const uint32_t hw_h = hw.getHeight(); |
| const Region screenBounds(hw.bounds()); |
| |
| GLfloat u, v; |
| GLuint tname; |
| result = renderScreenToTextureLocked(0, &tname, &u, &v); |
| if (result != NO_ERROR) { |
| return result; |
| } |
| |
| GLfloat vtx[8]; |
| const GLfloat texCoords[4][2] = { {0,v}, {0,0}, {u,0}, {u,v} }; |
| glBindTexture(GL_TEXTURE_2D, tname); |
| glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| glTexCoordPointer(2, GL_FLOAT, 0, texCoords); |
| glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
| glVertexPointer(2, GL_FLOAT, 0, vtx); |
| |
| class s_curve_interpolator { |
| const float nbFrames, s, v; |
| public: |
| s_curve_interpolator(int nbFrames, float s) |
| : nbFrames(1.0f / (nbFrames-1)), s(s), |
| v(1.0f + expf(-s + 0.5f*s)) { |
| } |
| float operator()(int f) { |
| const float x = f * nbFrames; |
| return ((1.0f/(1.0f + expf(-x*s + 0.5f*s))) - 0.5f) * v + 0.5f; |
| } |
| }; |
| |
| class v_stretch { |
| const GLfloat hw_w, hw_h; |
| public: |
| v_stretch(uint32_t hw_w, uint32_t hw_h) |
| : hw_w(hw_w), hw_h(hw_h) { |
| } |
| void operator()(GLfloat* vtx, float v) { |
| const GLfloat w = hw_w + (hw_w * v); |
| const GLfloat h = hw_h - (hw_h * v); |
| const GLfloat x = (hw_w - w) * 0.5f; |
| const GLfloat y = (hw_h - h) * 0.5f; |
| vtx[0] = x; vtx[1] = y; |
| vtx[2] = x; vtx[3] = y + h; |
| vtx[4] = x + w; vtx[5] = y + h; |
| vtx[6] = x + w; vtx[7] = y; |
| } |
| }; |
| |
| class h_stretch { |
| const GLfloat hw_w, hw_h; |
| public: |
| h_stretch(uint32_t hw_w, uint32_t hw_h) |
| : hw_w(hw_w), hw_h(hw_h) { |
| } |
| void operator()(GLfloat* vtx, float v) { |
| const GLfloat w = hw_w - (hw_w * v); |
| const GLfloat h = 1.0f; |
| const GLfloat x = (hw_w - w) * 0.5f; |
| const GLfloat y = (hw_h - h) * 0.5f; |
| vtx[0] = x; vtx[1] = y; |
| vtx[2] = x; vtx[3] = y + h; |
| vtx[4] = x + w; vtx[5] = y + h; |
| vtx[6] = x + w; vtx[7] = y; |
| } |
| }; |
| |
| // the full animation is 12 frames |
| int nbFrames = 8; |
| s_curve_interpolator itr(nbFrames, 7.5f); |
| s_curve_interpolator itg(nbFrames, 8.0f); |
| s_curve_interpolator itb(nbFrames, 8.5f); |
| |
| h_stretch hverts(hw_w, hw_h); |
| glDisable(GL_BLEND); |
| glDisable(GL_TEXTURE_2D); |
| glColorMask(1,1,1,1); |
| for (int i=nbFrames-1 ; i>=0 ; i--) { |
| const float v = itg(i); |
| hverts(vtx, v); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glColor4f(1-v, 1-v, 1-v, 1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| hw.flip(screenBounds); |
| } |
| |
| nbFrames = 4; |
| v_stretch vverts(hw_w, hw_h); |
| glEnable(GL_BLEND); |
| glBlendFunc(GL_ONE, GL_ONE); |
| for (int i=nbFrames-1 ; i>=0 ; i--) { |
| float x, y, w, h; |
| const float vr = itr(i); |
| const float vg = itg(i); |
| const float vb = itb(i); |
| |
| // clear screen |
| glColorMask(1,1,1,1); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glEnable(GL_TEXTURE_2D); |
| |
| // draw the red plane |
| vverts(vtx, vr); |
| glColorMask(1,0,0,1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| |
| // draw the green plane |
| vverts(vtx, vg); |
| glColorMask(0,1,0,1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| |
| // draw the blue plane |
| vverts(vtx, vb); |
| glColorMask(0,0,1,1); |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| |
| hw.flip(screenBounds); |
| } |
| |
| glColorMask(1,1,1,1); |
| glEnable(GL_SCISSOR_TEST); |
| glDisableClientState(GL_TEXTURE_COORD_ARRAY); |
| glDeleteTextures(1, &tname); |
| glDisable(GL_TEXTURE_2D); |
| glDisable(GL_BLEND); |
| |
| return NO_ERROR; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| status_t SurfaceFlinger::turnElectronBeamOffImplLocked(int32_t mode) |
| { |
| DisplayHardware& hw(graphicPlane(0).editDisplayHardware()); |
| if (!hw.canDraw()) { |
| // we're already off |
| return NO_ERROR; |
| } |
| |
| // turn off hwc while we're doing the animation |
| hw.getHwComposer().disable(); |
| // and make sure to turn it back on (if needed) next time we compose |
| invalidateHwcGeometry(); |
| |
| if (mode & ISurfaceComposer::eElectronBeamAnimationOff) { |
| electronBeamOffAnimationImplLocked(); |
| } |
| |
| // always clear the whole screen at the end of the animation |
| glClearColor(0,0,0,1); |
| glDisable(GL_SCISSOR_TEST); |
| glClear(GL_COLOR_BUFFER_BIT); |
| glEnable(GL_SCISSOR_TEST); |
| hw.flip( Region(hw.bounds()) ); |
| |
| return NO_ERROR; |
| } |
| |
| status_t SurfaceFlinger::turnElectronBeamOff(int32_t mode) |
| { |
| class MessageTurnElectronBeamOff : public MessageBase { |
| SurfaceFlinger* flinger; |
| int32_t mode; |
| status_t result; |
| public: |
| MessageTurnElectronBeamOff(SurfaceFlinger* flinger, int32_t mode) |
| : flinger(flinger), mode(mode), result(PERMISSION_DENIED) { |
| } |
| status_t getResult() const { |
| return result; |
| } |
| virtual bool handler() { |
| Mutex::Autolock _l(flinger->mStateLock); |
| result = flinger->turnElectronBeamOffImplLocked(mode); |
| return true; |
| } |
| }; |
| |
| sp<MessageBase> msg = new MessageTurnElectronBeamOff(this, mode); |
| status_t res = postMessageSync(msg); |
| if (res == NO_ERROR) { |
| res = static_cast<MessageTurnElectronBeamOff*>( msg.get() )->getResult(); |
| |
| // work-around: when the power-manager calls us we activate the |
| // animation. eventually, the "on" animation will be called |
| // by the power-manager itself |
| mElectronBeamAnimationMode = mode; |
| } |
| return res; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| status_t SurfaceFlinger::turnElectronBeamOnImplLocked(int32_t mode) |
| { |
| DisplayHardware& hw(graphicPlane(0).editDisplayHardware()); |
| if (hw.canDraw()) { |
| // we're already on |
| return NO_ERROR; |
| } |
| if (mode & ISurfaceComposer::eElectronBeamAnimationOn) { |
| electronBeamOnAnimationImplLocked(); |
| } |
| |
| // make sure to redraw the whole screen when the animation is done |
| mDirtyRegion.set(hw.bounds()); |
| signalEvent(); |
| |
| return NO_ERROR; |
| } |
| |
| status_t SurfaceFlinger::turnElectronBeamOn(int32_t mode) |
| { |
| class MessageTurnElectronBeamOn : public MessageBase { |
| SurfaceFlinger* flinger; |
| int32_t mode; |
| status_t result; |
| public: |
| MessageTurnElectronBeamOn(SurfaceFlinger* flinger, int32_t mode) |
| : flinger(flinger), mode(mode), result(PERMISSION_DENIED) { |
| } |
| status_t getResult() const { |
| return result; |
| } |
| virtual bool handler() { |
| Mutex::Autolock _l(flinger->mStateLock); |
| result = flinger->turnElectronBeamOnImplLocked(mode); |
| return true; |
| } |
| }; |
| |
| postMessageAsync( new MessageTurnElectronBeamOn(this, mode) ); |
| return NO_ERROR; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy, |
| sp<IMemoryHeap>* heap, |
| uint32_t* w, uint32_t* h, PixelFormat* f, |
| uint32_t sw, uint32_t sh, |
| uint32_t minLayerZ, uint32_t maxLayerZ) |
| { |
| status_t result = PERMISSION_DENIED; |
| |
| // only one display supported for now |
| if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT)) |
| return BAD_VALUE; |
| |
| if (!GLExtensions::getInstance().haveFramebufferObject()) |
| return INVALID_OPERATION; |
| |
| // get screen geometry |
| const DisplayHardware& hw(graphicPlane(dpy).displayHardware()); |
| const uint32_t hw_w = hw.getWidth(); |
| const uint32_t hw_h = hw.getHeight(); |
| |
| if ((sw > hw_w) || (sh > hw_h)) |
| return BAD_VALUE; |
| |
| sw = (!sw) ? hw_w : sw; |
| sh = (!sh) ? hw_h : sh; |
| const size_t size = sw * sh * 4; |
| |
| //LOGD("screenshot: sw=%d, sh=%d, minZ=%d, maxZ=%d", |
| // sw, sh, minLayerZ, maxLayerZ); |
| |
| // make sure to clear all GL error flags |
| while ( glGetError() != GL_NO_ERROR ) ; |
| |
| // create a FBO |
| GLuint name, tname; |
| glGenRenderbuffersOES(1, &tname); |
| glBindRenderbufferOES(GL_RENDERBUFFER_OES, tname); |
| glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_RGBA8_OES, sw, sh); |
| glGenFramebuffersOES(1, &name); |
| glBindFramebufferOES(GL_FRAMEBUFFER_OES, name); |
| glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, |
| GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, tname); |
| |
| GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES); |
| |
| if (status == GL_FRAMEBUFFER_COMPLETE_OES) { |
| |
| // invert everything, b/c glReadPixel() below will invert the FB |
| glViewport(0, 0, sw, sh); |
| glScissor(0, 0, sw, sh); |
| glEnable(GL_SCISSOR_TEST); |
| glMatrixMode(GL_PROJECTION); |
| glPushMatrix(); |
| glLoadIdentity(); |
| glOrthof(0, hw_w, hw_h, 0, 0, 1); |
| glMatrixMode(GL_MODELVIEW); |
| |
| // redraw the screen entirely... |
| glClearColor(0,0,0,1); |
| glClear(GL_COLOR_BUFFER_BIT); |
| |
| const LayerVector& layers(mDrawingState.layersSortedByZ); |
| const size_t count = layers.size(); |
| for (size_t i=0 ; i<count ; ++i) { |
| const sp<LayerBase>& layer(layers[i]); |
| const uint32_t flags = layer->drawingState().flags; |
| if (!(flags & ISurfaceComposer::eLayerHidden)) { |
| const uint32_t z = layer->drawingState().z; |
| if (z >= minLayerZ && z <= maxLayerZ) { |
| layer->drawForSreenShot(); |
| } |
| } |
| } |
| |
| // XXX: this is needed on tegra |
| glEnable(GL_SCISSOR_TEST); |
| glScissor(0, 0, sw, sh); |
| |
| // check for errors and return screen capture |
| if (glGetError() != GL_NO_ERROR) { |
| // error while rendering |
| result = INVALID_OPERATION; |
| } else { |
| // allocate shared memory large enough to hold the |
| // screen capture |
| sp<MemoryHeapBase> base( |
| new MemoryHeapBase(size, 0, "screen-capture") ); |
| void* const ptr = base->getBase(); |
| if (ptr) { |
| // capture the screen with glReadPixels() |
| glReadPixels(0, 0, sw, sh, GL_RGBA, GL_UNSIGNED_BYTE, ptr); |
| if (glGetError() == GL_NO_ERROR) { |
| *heap = base; |
| *w = sw; |
| *h = sh; |
| *f = PIXEL_FORMAT_RGBA_8888; |
| result = NO_ERROR; |
| } |
| } else { |
| result = NO_MEMORY; |
| } |
| } |
| glEnable(GL_SCISSOR_TEST); |
| glViewport(0, 0, hw_w, hw_h); |
| glMatrixMode(GL_PROJECTION); |
| glPopMatrix(); |
| glMatrixMode(GL_MODELVIEW); |
| } else { |
| result = BAD_VALUE; |
| } |
| |
| // release FBO resources |
| glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0); |
| glDeleteRenderbuffersOES(1, &tname); |
| glDeleteFramebuffersOES(1, &name); |
| |
| hw.compositionComplete(); |
| |
| // LOGD("screenshot: result = %s", result<0 ? strerror(result) : "OK"); |
| |
| return result; |
| } |
| |
| |
| status_t SurfaceFlinger::captureScreen(DisplayID dpy, |
| sp<IMemoryHeap>* heap, |
| uint32_t* width, uint32_t* height, PixelFormat* format, |
| uint32_t sw, uint32_t sh, |
| uint32_t minLayerZ, uint32_t maxLayerZ) |
| { |
| // only one display supported for now |
| if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT)) |
| return BAD_VALUE; |
| |
| if (!GLExtensions::getInstance().haveFramebufferObject()) |
| return INVALID_OPERATION; |
| |
| class MessageCaptureScreen : public MessageBase { |
| SurfaceFlinger* flinger; |
| DisplayID dpy; |
| sp<IMemoryHeap>* heap; |
| uint32_t* w; |
| uint32_t* h; |
| PixelFormat* f; |
| uint32_t sw; |
| uint32_t sh; |
| uint32_t minLayerZ; |
| uint32_t maxLayerZ; |
| status_t result; |
| public: |
| MessageCaptureScreen(SurfaceFlinger* flinger, DisplayID dpy, |
| sp<IMemoryHeap>* heap, uint32_t* w, uint32_t* h, PixelFormat* f, |
| uint32_t sw, uint32_t sh, |
| uint32_t minLayerZ, uint32_t maxLayerZ) |
| : flinger(flinger), dpy(dpy), |
| heap(heap), w(w), h(h), f(f), sw(sw), sh(sh), |
| minLayerZ(minLayerZ), maxLayerZ(maxLayerZ), |
| result(PERMISSION_DENIED) |
| { |
| } |
| status_t getResult() const { |
| return result; |
| } |
| virtual bool handler() { |
| Mutex::Autolock _l(flinger->mStateLock); |
| |
| // if we have secure windows, never allow the screen capture |
| if (flinger->mSecureFrameBuffer) |
| return true; |
| |
| result = flinger->captureScreenImplLocked(dpy, |
| heap, w, h, f, sw, sh, minLayerZ, maxLayerZ); |
| |
| return true; |
| } |
| }; |
| |
| sp<MessageBase> msg = new MessageCaptureScreen(this, |
| dpy, heap, width, height, format, sw, sh, minLayerZ, maxLayerZ); |
| status_t res = postMessageSync(msg); |
| if (res == NO_ERROR) { |
| res = static_cast<MessageCaptureScreen*>( msg.get() )->getResult(); |
| } |
| return res; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| sp<Layer> SurfaceFlinger::getLayer(const sp<ISurface>& sur) const |
| { |
| sp<Layer> result; |
| Mutex::Autolock _l(mStateLock); |
| result = mLayerMap.valueFor( sur->asBinder() ).promote(); |
| return result; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| Client::Client(const sp<SurfaceFlinger>& flinger) |
| : mFlinger(flinger), mNameGenerator(1) |
| { |
| } |
| |
| Client::~Client() |
| { |
| const size_t count = mLayers.size(); |
| for (size_t i=0 ; i<count ; i++) { |
| sp<LayerBaseClient> layer(mLayers.valueAt(i).promote()); |
| if (layer != 0) { |
| mFlinger->removeLayer(layer); |
| } |
| } |
| } |
| |
| status_t Client::initCheck() const { |
| return NO_ERROR; |
| } |
| |
| size_t Client::attachLayer(const sp<LayerBaseClient>& layer) |
| { |
| Mutex::Autolock _l(mLock); |
| size_t name = mNameGenerator++; |
| mLayers.add(name, layer); |
| return name; |
| } |
| |
| void Client::detachLayer(const LayerBaseClient* layer) |
| { |
| Mutex::Autolock _l(mLock); |
| // we do a linear search here, because this doesn't happen often |
| const size_t count = mLayers.size(); |
| for (size_t i=0 ; i<count ; i++) { |
| if (mLayers.valueAt(i) == layer) { |
| mLayers.removeItemsAt(i, 1); |
| break; |
| } |
| } |
| } |
| sp<LayerBaseClient> Client::getLayerUser(int32_t i) const |
| { |
| Mutex::Autolock _l(mLock); |
| sp<LayerBaseClient> lbc; |
| wp<LayerBaseClient> layer(mLayers.valueFor(i)); |
| if (layer != 0) { |
| lbc = layer.promote(); |
| LOGE_IF(lbc==0, "getLayerUser(name=%d) is dead", int(i)); |
| } |
| return lbc; |
| } |
| |
| |
| status_t Client::onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| { |
| // these must be checked |
| IPCThreadState* ipc = IPCThreadState::self(); |
| const int pid = ipc->getCallingPid(); |
| const int uid = ipc->getCallingUid(); |
| const int self_pid = getpid(); |
| if (UNLIKELY(pid != self_pid && uid != AID_GRAPHICS && uid != 0)) { |
| // we're called from a different process, do the real check |
| if (!PermissionCache::checkCallingPermission(sAccessSurfaceFlinger)) |
| { |
| LOGE("Permission Denial: " |
| "can't openGlobalTransaction pid=%d, uid=%d", pid, uid); |
| return PERMISSION_DENIED; |
| } |
| } |
| return BnSurfaceComposerClient::onTransact(code, data, reply, flags); |
| } |
| |
| |
| sp<ISurface> Client::createSurface( |
| ISurfaceComposerClient::surface_data_t* params, |
| const String8& name, |
| DisplayID display, uint32_t w, uint32_t h, PixelFormat format, |
| uint32_t flags) |
| { |
| /* |
| * createSurface must be called from the GL thread so that it can |
| * have access to the GL context. |
| */ |
| |
| class MessageCreateSurface : public MessageBase { |
| sp<ISurface> result; |
| SurfaceFlinger* flinger; |
| ISurfaceComposerClient::surface_data_t* params; |
| Client* client; |
| const String8& name; |
| DisplayID display; |
| uint32_t w, h; |
| PixelFormat format; |
| uint32_t flags; |
| public: |
| MessageCreateSurface(SurfaceFlinger* flinger, |
| ISurfaceComposerClient::surface_data_t* params, |
| const String8& name, Client* client, |
| DisplayID display, uint32_t w, uint32_t h, PixelFormat format, |
| uint32_t flags) |
| : flinger(flinger), params(params), client(client), name(name), |
| display(display), w(w), h(h), format(format), flags(flags) |
| { |
| } |
| sp<ISurface> getResult() const { return result; } |
| virtual bool handler() { |
| result = flinger->createSurface(params, name, client, |
| display, w, h, format, flags); |
| return true; |
| } |
| }; |
| |
| sp<MessageBase> msg = new MessageCreateSurface(mFlinger.get(), |
| params, name, this, display, w, h, format, flags); |
| mFlinger->postMessageSync(msg); |
| return static_cast<MessageCreateSurface*>( msg.get() )->getResult(); |
| } |
| status_t Client::destroySurface(SurfaceID sid) { |
| return mFlinger->removeSurface(this, sid); |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| GraphicBufferAlloc::GraphicBufferAlloc() {} |
| |
| GraphicBufferAlloc::~GraphicBufferAlloc() {} |
| |
| sp<GraphicBuffer> GraphicBufferAlloc::createGraphicBuffer(uint32_t w, uint32_t h, |
| PixelFormat format, uint32_t usage, status_t* error) { |
| sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(w, h, format, usage)); |
| status_t err = graphicBuffer->initCheck(); |
| *error = err; |
| if (err != 0 || graphicBuffer->handle == 0) { |
| if (err == NO_MEMORY) { |
| GraphicBuffer::dumpAllocationsToSystemLog(); |
| } |
| LOGE("GraphicBufferAlloc::createGraphicBuffer(w=%d, h=%d) " |
| "failed (%s), handle=%p", |
| w, h, strerror(-err), graphicBuffer->handle); |
| return 0; |
| } |
| return graphicBuffer; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| GraphicPlane::GraphicPlane() |
| : mHw(0) |
| { |
| } |
| |
| GraphicPlane::~GraphicPlane() { |
| delete mHw; |
| } |
| |
| bool GraphicPlane::initialized() const { |
| return mHw ? true : false; |
| } |
| |
| int GraphicPlane::getWidth() const { |
| return mWidth; |
| } |
| |
| int GraphicPlane::getHeight() const { |
| return mHeight; |
| } |
| |
| void GraphicPlane::setDisplayHardware(DisplayHardware *hw) |
| { |
| mHw = hw; |
| |
| // initialize the display orientation transform. |
| // it's a constant that should come from the display driver. |
| int displayOrientation = ISurfaceComposer::eOrientationDefault; |
| char property[PROPERTY_VALUE_MAX]; |
| if (property_get("ro.sf.hwrotation", property, NULL) > 0) { |
| //displayOrientation |
| switch (atoi(property)) { |
| case 90: |
| displayOrientation = ISurfaceComposer::eOrientation90; |
| break; |
| case 270: |
| displayOrientation = ISurfaceComposer::eOrientation270; |
| break; |
| } |
| } |
| |
| const float w = hw->getWidth(); |
| const float h = hw->getHeight(); |
| GraphicPlane::orientationToTransfrom(displayOrientation, w, h, |
| &mDisplayTransform); |
| if (displayOrientation & ISurfaceComposer::eOrientationSwapMask) { |
| mDisplayWidth = h; |
| mDisplayHeight = w; |
| } else { |
| mDisplayWidth = w; |
| mDisplayHeight = h; |
| } |
| |
| setOrientation(ISurfaceComposer::eOrientationDefault); |
| } |
| |
| status_t GraphicPlane::orientationToTransfrom( |
| int orientation, int w, int h, Transform* tr) |
| { |
| uint32_t flags = 0; |
| switch (orientation) { |
| case ISurfaceComposer::eOrientationDefault: |
| flags = Transform::ROT_0; |
| break; |
| case ISurfaceComposer::eOrientation90: |
| flags = Transform::ROT_90; |
| break; |
| case ISurfaceComposer::eOrientation180: |
| flags = Transform::ROT_180; |
| break; |
| case ISurfaceComposer::eOrientation270: |
| flags = Transform::ROT_270; |
| break; |
| default: |
| return BAD_VALUE; |
| } |
| tr->set(flags, w, h); |
| return NO_ERROR; |
| } |
| |
| status_t GraphicPlane::setOrientation(int orientation) |
| { |
| // If the rotation can be handled in hardware, this is where |
| // the magic should happen. |
| |
| const DisplayHardware& hw(displayHardware()); |
| const float w = mDisplayWidth; |
| const float h = mDisplayHeight; |
| mWidth = int(w); |
| mHeight = int(h); |
| |
| Transform orientationTransform; |
| GraphicPlane::orientationToTransfrom(orientation, w, h, |
| &orientationTransform); |
| if (orientation & ISurfaceComposer::eOrientationSwapMask) { |
| mWidth = int(h); |
| mHeight = int(w); |
| } |
| |
| mOrientation = orientation; |
| mGlobalTransform = mDisplayTransform * orientationTransform; |
| return NO_ERROR; |
| } |
| |
| const DisplayHardware& GraphicPlane::displayHardware() const { |
| return *mHw; |
| } |
| |
| DisplayHardware& GraphicPlane::editDisplayHardware() { |
| return *mHw; |
| } |
| |
| const Transform& GraphicPlane::transform() const { |
| return mGlobalTransform; |
| } |
| |
| EGLDisplay GraphicPlane::getEGLDisplay() const { |
| return mHw->getEGLDisplay(); |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| }; // namespace android |