diff options
Diffstat (limited to 'services/surfaceflinger/SurfaceFlinger.cpp')
| -rw-r--r-- | services/surfaceflinger/SurfaceFlinger.cpp | 143 |
1 files changed, 118 insertions, 25 deletions
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp index 637ae48..a78d9b9 100644 --- a/services/surfaceflinger/SurfaceFlinger.cpp +++ b/services/surfaceflinger/SurfaceFlinger.cpp @@ -52,6 +52,7 @@ #include "SurfaceFlinger.h" #include "DisplayHardware/DisplayHardware.h" +#include "DisplayHardware/HWComposer.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 @@ -76,6 +77,7 @@ SurfaceFlinger::SurfaceFlinger() mAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER"), mDump("android.permission.DUMP"), mVisibleRegionsDirty(false), + mHwWorkListDirty(false), mDeferReleaseConsole(false), mFreezeDisplay(false), mFreezeCount(0), @@ -163,7 +165,7 @@ void SurfaceFlinger::bootFinished() { const nsecs_t now = systemTime(); const nsecs_t duration = now - mBootTime; - LOGI("Boot is finished (%ld ms)", long(ns2ms(duration)) ); + LOGI("Boot is finished (%ld ms)", long(ns2ms(duration)) ); mBootFinished = true; property_set("ctl.stop", "bootanim"); } @@ -199,10 +201,10 @@ status_t SurfaceFlinger::readyToRun() 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 @@ -231,7 +233,7 @@ status_t SurfaceFlinger::readyToRun() // Initialize OpenGL|ES glPixelStorei(GL_UNPACK_ALIGNMENT, 4); - glPixelStorei(GL_PACK_ALIGNMENT, 4); + glPixelStorei(GL_PACK_ALIGNMENT, 4); glEnableClientState(GL_VERTEX_ARRAY); glEnable(GL_SCISSOR_TEST); glShadeModel(GL_FLAT); @@ -265,7 +267,7 @@ status_t SurfaceFlinger::readyToRun() // start boot animation property_set("ctl.start", "bootanim"); - + return NO_ERROR; } @@ -368,6 +370,11 @@ bool SurfaceFlinger::threadLoop() // post surfaces (if needed) handlePageFlip(); + if (UNLIKELY(mHwWorkListDirty)) { + // build the h/w work list + handleWorkList(); + } + const DisplayHardware& hw(graphicPlane(0).displayHardware()); if (LIKELY(hw.canDraw() && !isFrozen())) { // repaint the framebuffer (if needed) @@ -443,6 +450,7 @@ void SurfaceFlinger::handleTransaction(uint32_t transactionFlags) handleTransactionLocked(transactionFlags, ditchedLayers); mLastTransactionTime = systemTime() - now; mDebugInTransaction = 0; + mHwWorkListDirty = true; // here the transaction has been committed } @@ -450,6 +458,7 @@ void SurfaceFlinger::handleTransaction(uint32_t transactionFlags) * Clean-up all layers that went away * (do this without the lock held) */ + const size_t count = ditchedLayers.size(); for (size_t i=0 ; i<count ; i++) { if (ditchedLayers[i] != 0) { @@ -653,7 +662,7 @@ void SurfaceFlinger::computeVisibleRegions( // Update aboveOpaqueLayers for next (lower) layer aboveOpaqueLayers.orSelf(opaqueRegion); - + // Store the visible region is screen space layer->setVisibleRegion(visibleRegion); layer->setCoveredRegion(coveredRegion); @@ -683,8 +692,8 @@ void SurfaceFlinger::commitTransaction() void SurfaceFlinger::handlePageFlip() { bool visibleRegions = mVisibleRegionsDirty; - LayerVector& currentLayers = const_cast<LayerVector&>( - mDrawingState.layersSortedByZ); + LayerVector& currentLayers( + const_cast<LayerVector&>(mDrawingState.layersSortedByZ)); visibleRegions |= lockPageFlip(currentLayers); const DisplayHardware& hw = graphicPlane(0).displayHardware(); @@ -707,6 +716,7 @@ void SurfaceFlinger::handlePageFlip() mWormholeRegion = screenRegion.subtract(opaqueRegion); mVisibleRegionsDirty = false; + mHwWorkListDirty = true; } unlockPageFlip(currentLayers); @@ -737,6 +747,20 @@ void SurfaceFlinger::unlockPageFlip(const LayerVector& currentLayers) } } +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]); + } + } +} void SurfaceFlinger::handleRepaint() { @@ -757,8 +781,8 @@ void SurfaceFlinger::handleRepaint() glLoadIdentity(); uint32_t flags = hw.getFlags(); - if ((flags & DisplayHardware::SWAP_RECTANGLE) || - (flags & DisplayHardware::BUFFER_PRESERVED)) + 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 @@ -801,9 +825,72 @@ void SurfaceFlinger::composeSurfaces(const Region& dirty) // draw something... drawWormhole(); } + + status_t err = NO_ERROR; const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ); - const size_t count = layers.size(); - for (size_t i=0 ; i<count ; ++i) { + size_t count = layers.size(); + + const DisplayHardware& hw(graphicPlane(0).displayHardware()); + HWComposer& hwc(hw.getHwComposer()); + hwc_layer_t* const cur(hwc.getLayers()); + + LOGE_IF(cur && 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 + */ + Region transparent; + if (cur) { + for (size_t i=0 ; i<count ; i++) { + const sp<LayerBase>& layer(layers[i]); + layer->setPerFrameData(&cur[i]); + if (cur[i].hints & HWC_HINT_CLEAR_FB) { + if (!(layer->needsBlending())) { + transparent.orSelf(layer->visibleRegionScreen); + } + } + } + err = hwc.prepare(); + LOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err)); + } + + /* + * clear the area of the FB that need to be transparent + */ + transparent.andSelf(dirty); + 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); + } + } + + + /* + * and then, render the layers targeted at the framebuffer + */ + for (size_t i=0 ; i<count ; i++) { + if (cur) { + if (!(cur[i].compositionType == HWC_FRAMEBUFFER) || + cur[i].flags & HWC_SKIP_LAYER) { + // skip layers handled by the HAL + continue; + } + } const sp<LayerBase>& layer(layers[i]); const Region clip(dirty.intersect(layer->visibleRegionScreen)); if (!clip.isEmpty()) { @@ -1042,7 +1129,7 @@ void SurfaceFlinger::closeGlobalTransaction() if (android_atomic_dec(&mTransactionCount) == 1) { signalEvent(); - // if there is a transaction with a resize, wait for it to + // if there is a transaction with a resize, wait for it to // take effect before returning. Mutex::Autolock _l(mStateLock); while (mResizeTransationPending) { @@ -1086,7 +1173,7 @@ status_t SurfaceFlinger::unfreezeDisplay(DisplayID dpy, uint32_t flags) return NO_ERROR; } -int SurfaceFlinger::setOrientation(DisplayID dpy, +int SurfaceFlinger::setOrientation(DisplayID dpy, int orientation, uint32_t flags) { if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT)) @@ -1119,14 +1206,17 @@ sp<ISurface> SurfaceFlinger::createSurface(const sp<Client>& client, int pid, 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: +#if HAS_PUSH_BUFFERS if (UNLIKELY(flags & ePushBuffers)) { layer = createPushBuffersSurface(client, d, w, h, flags); - } else { + } else +#endif + { normalLayer = createNormalSurface(client, d, w, h, flags, format); layer = normalLayer; } @@ -1145,7 +1235,7 @@ sp<ISurface> SurfaceFlinger::createSurface(const sp<Client>& client, int pid, ssize_t token = addClientLayer(client, layer); surfaceHandle = layer->getSurface(); - if (surfaceHandle != 0) { + if (surfaceHandle != 0) { params->token = token; params->identity = surfaceHandle->getIdentity(); params->width = w; @@ -1229,7 +1319,7 @@ 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). @@ -1250,7 +1340,7 @@ status_t SurfaceFlinger::removeSurface(const sp<Client>& client, SurfaceID sid) status_t SurfaceFlinger::destroySurface(const sp<LayerBaseClient>& layer) { // called by ~ISurface() when all references are gone - + class MessageDestroySurface : public MessageBase { SurfaceFlinger* flinger; sp<LayerBaseClient> layer; @@ -1263,9 +1353,9 @@ status_t SurfaceFlinger::destroySurface(const sp<LayerBaseClient>& layer) layer.clear(); // clear it outside of the lock; Mutex::Autolock _l(flinger->mStateLock); /* - * remove the layer from the current list -- chances are that it's - * not in the list anyway, because it should have been removed - * already upon request of the client (eg: window manager). + * remove the layer from the current list -- chances are that it's + * not in the list anyway, because it should have been removed + * already upon request of the client (eg: window manager). * However, a buggy client could have not done that. * Since we know we don't have any more clients, we don't need * to use the purgatory. @@ -1380,7 +1470,7 @@ status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args) } const bool locked(retry >= 0); if (!locked) { - snprintf(buffer, SIZE, + snprintf(buffer, SIZE, "SurfaceFlinger appears to be unresponsive, " "dumping anyways (no locks held)\n"); result.append(buffer); @@ -1655,12 +1745,15 @@ ssize_t UserClient::getTokenForSurface(const sp<ISurface>& sur) const { int32_t name = NAME_NOT_FOUND; sp<Layer> layer(mFlinger->getLayer(sur)); - if (layer == 0) return name; + if (layer == 0) { + return name; + } // if this layer already has a token, just return it name = layer->getToken(); - if ((name >= 0) && (layer->getClient() == this)) + if ((name >= 0) && (layer->getClient() == this)) { return name; + } name = 0; do { |