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-rw-r--r--services/surfaceflinger/SurfaceFlinger.cpp172
1 files changed, 139 insertions, 33 deletions
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index a9b3965..2e785aa 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -53,6 +53,7 @@
#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
@@ -78,6 +79,7 @@ SurfaceFlinger::SurfaceFlinger()
mReadFramebuffer("android.permission.READ_FRAME_BUFFER"),
mDump("android.permission.DUMP"),
mVisibleRegionsDirty(false),
+ mHwWorkListDirty(false),
mDeferReleaseConsole(false),
mFreezeDisplay(false),
mElectronBeamAnimationMode(0),
@@ -85,6 +87,7 @@ SurfaceFlinger::SurfaceFlinger()
mFreezeDisplayTime(0),
mDebugRegion(0),
mDebugBackground(0),
+ mDebugDisableHWC(0),
mDebugInSwapBuffers(0),
mLastSwapBufferTime(0),
mDebugInTransaction(0),
@@ -166,7 +169,7 @@ 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");
}
@@ -202,10 +205,10 @@ 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
@@ -234,7 +237,7 @@ 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);
@@ -268,7 +271,7 @@ status_t SurfaceFlinger::readyToRun()
// start boot animation
property_set("ctl.start", "bootanim");
-
+
return NO_ERROR;
}
@@ -371,6 +374,11 @@ 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)
@@ -385,13 +393,12 @@ bool SurfaceFlinger::threadLoop()
logger.log(GraphicLog::SF_COMPOSITION_COMPLETE, index);
hw.compositionComplete();
- // release the clients before we flip ('cause flip might block)
- logger.log(GraphicLog::SF_UNLOCK_CLIENTS, index);
- unlockClients();
-
logger.log(GraphicLog::SF_SWAP_BUFFERS, index);
postFramebuffer();
+ logger.log(GraphicLog::SF_UNLOCK_CLIENTS, index);
+ unlockClients();
+
logger.log(GraphicLog::SF_REPAINT_DONE, index);
} else {
// pretend we did the post
@@ -459,6 +466,7 @@ void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
handleTransactionLocked(transactionFlags, ditchedLayers);
mLastTransactionTime = systemTime() - now;
mDebugInTransaction = 0;
+ mHwWorkListDirty = true;
// here the transaction has been committed
}
@@ -466,6 +474,7 @@ 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) {
@@ -669,7 +678,7 @@ 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);
@@ -699,8 +708,8 @@ 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();
@@ -723,6 +732,7 @@ void SurfaceFlinger::handlePageFlip()
mWormholeRegion = screenRegion.subtract(opaqueRegion);
mVisibleRegionsDirty = false;
+ mHwWorkListDirty = true;
}
unlockPageFlip(currentLayers);
@@ -753,15 +763,29 @@ 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]);
+ if (mDebugDisableHWC) {
+ cur[i].compositionType = HWC_FRAMEBUFFER;
+ cur[i].flags |= HWC_SKIP_LAYER;
+ }
+ }
+ }
+}
void SurfaceFlinger::handleRepaint()
{
// compute the invalid region
mInvalidRegion.orSelf(mDirtyRegion);
- if (mInvalidRegion.isEmpty()) {
- // nothing to do
- return;
- }
if (UNLIKELY(mDebugRegion)) {
debugFlashRegions();
@@ -773,8 +797,8 @@ 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
@@ -817,9 +841,73 @@ 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()) {
@@ -1058,7 +1146,7 @@ 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) {
@@ -1102,7 +1190,7 @@ 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))
@@ -1135,14 +1223,17 @@ 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;
}
@@ -1161,7 +1252,7 @@ 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;
@@ -1245,7 +1336,7 @@ 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).
@@ -1266,7 +1357,7 @@ 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;
@@ -1279,9 +1370,9 @@ 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.
@@ -1396,7 +1487,7 @@ 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);
@@ -1438,6 +1529,13 @@ status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
result.append(buffer);
}
+ HWComposer& hwc(hw.getHwComposer());
+ snprintf(buffer, SIZE, " h/w composer %s and %s\n",
+ hwc.initCheck()==NO_ERROR ? "present" : "not present",
+ mDebugDisableHWC ? "disabled" : "enabled");
+ result.append(buffer);
+ hwc.dump(result, buffer, SIZE);
+
const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
alloc.dump(result);
@@ -1513,6 +1611,11 @@ status_t SurfaceFlinger::onTransact(
n = data.readInt32();
mDebugBackground = n ? 1 : 0;
return NO_ERROR;
+ case 1008: // toggle use of hw composer
+ n = data.readInt32();
+ mDebugDisableHWC = n ? 1 : 0;
+ mHwWorkListDirty = true;
+ // fall-through...
case 1004:{ // repaint everything
Mutex::Autolock _l(mStateLock);
const DisplayHardware& hw(graphicPlane(0).displayHardware());
@@ -2308,12 +2411,15 @@ 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 {