* LRU cache of recently-used is dead, replaced
disk storage
* ASHMEM size is read from native by the system service,
no longer requires keeping a sizeof() in sync with a
constant in Java
* Supports dumping in proto format by passing --proto
* Rotates logs on a daily basis
* Keeps a history of the most recent 3 days
Bug: 33705836
Test: Manual. Verified log rotating works by setting it up to
rotate every minute instead of day. Confirmed /data/system/graphicsstats
only has the most recent 3 entries after several minutes
Change-Id: Ib84bafb26c58701cc86f123236de4fff01aaa4aa
The user password is used to unlock a per-user synthetic password which
serves the purpose of what the user password previsouly achieves (protect
keystore, vold disk encryption, auth token generation).
Test: runtest frameworks-services -c com.android.server.SyntheticPasswordTests
Test: manual
1. Start with fresh device, enable synthetic password with "adb shell cmd lock_settings sp 1"
1.1 add device lock, reboot and verify (positive & negative); change device lock, reboot and verify.
1.2 Inflate a work profile, reboot and verify device lock. check SID with "adb shell dumpsys lock_settings"
1.3 Un-unify and add work challenge, reboot and verify work challenge and SID.
1.4 Re-unify work challenge, reboot and verify.
1.5 Clear device lock, reboot and verify lock and SID.
2. Start with a fresh device, add a device lock and inflate a work profile.
2.1 Enable synthetic password, note current SID
2.2 Reboot and unlock device. Verify synthetic password is generated and SID remains.
2.3 Clear device lock, reboot and verify (SID should be cleared)
3. Start with a fresh device, inflate a work profile, add separate work challenge
3.1 Enable synthetic password, not current SID
3.2 Reboot and unlock device and profile. Verify synthetic password is generated.
3.3 Clear device lock only, reboot and verify (work profile SID should remain)
All steps tested on marlin (FBE) and bullhead (FDE)
Bug: 33126414
Change-Id: Idb9ebfc7bba2fe40670c5fee2189e873d9704540
Removal of legacy FlpHardwareProvider jni,
and minimal java implementation.
Restoration of GNSS batching functionality,
with default implementation using
fused_location.h supporting libraries, would
continue in the Treble aligned GNSS HAL.
Bug: 31974439
Test: Ensured that system boots cleanly, and FLP HAL is not used
and that GPS operation (GMaps & 3rd party test app)
still looks fine.
Change-Id: I7b3834ddd4e754576af30cdbe2a92f53947d85a7
Move ContextHub service from system core to a more appropriate place
for a service.
Test: GTS tests pass.
Change-Id: Ie0f25414fc472a0214c0dd94e7ad4564cd38f842
NOTE: Linear blending is currently disabled in this CL as the
feature is still a work in progress
Android currently performs all blending (any kind of linear math
on colors really) on gamma-encoded colors. Since Android assumes
that the default color space is sRGB, all bitmaps and colors
are encoded with the sRGB Opto-Electronic Conversion Function
(OECF, which can be approximated with a power function). Since
the power curve is not linear, our linear math is incorrect.
The result is that we generate colors that tend to be too dark;
this affects blending but also anti-aliasing, gradients, blurs,
etc.
The solution is to convert gamma-encoded colors back to linear
space before doing any math on them, using the sRGB Electo-Optical
Conversion Function (EOCF). This is achieved in different
ways in different parts of the pipeline:
- Using hardware conversions when sampling from OpenGL textures
or writing into OpenGL frame buffers
- Using software conversion functions, to translate app-supplied
colors to and from sRGB
- Using Skia's color spaces
Any type of processing on colors must roughly ollow these steps:
[sRGB input]->EOCF->[linear data]->[processing]->OECF->[sRGB output]
For the sRGB color space, the conversion functions are defined as
follows:
OECF(linear) :=
linear <= 0.0031308 ? linear * 12.92 : (pow(linear, 1/2.4) * 1.055) - 0.055
EOCF(srgb) :=
srgb <= 0.04045 ? srgb / 12.92 : pow((srgb + 0.055) / 1.055, 2.4)
The EOCF is simply the reciprocal of the OECF.
While it is highly recommended to use the exact sRGB conversion
functions everywhere possible, it is sometimes useful or beneficial
to rely on approximations:
- pow(x,2.2) and pow(x,1/2.2)
- x^2 and sqrt(x)
The latter is particularly useful in fragment shaders (for instance
to apply dithering in sRGB space), especially if the sqrt() can be
replaced with an inversesqrt().
Here is a fairly exhaustive list of modifications implemented
in this CL:
- Set TARGET_ENABLE_LINEAR_BLENDING := false in BoardConfig.mk
to disable linear blending. This is only for GLES 2.0 GPUs
with no hardware sRGB support. This flag is currently assumed
to be false (see note above)
- sRGB writes are disabled when entering a functor (WebView).
This will need to be fixed at some point
- Skia bitmaps are created with the sRGB color space
- Bitmaps using a 565 config are expanded to 888
- Linear blending is disabled when entering a functor
- External textures are not properly sampled (see below)
- Gradients are interpolated in linear space
- Texture-based dithering was replaced with analytical dithering
- Dithering is done in the quantization color space, which is
why we must do EOCF(OECF(color)+dither)
- Text is now gamma corrected differently depending on the luminance
of the source pixel. The asumption is that a bright pixel will be
blended on a dark background and the other way around. The source
alpha is gamma corrected to thicken dark on bright and thin
bright on dark to match the intended design of fonts. This also
matches the behavior of popular design/drawing applications
- Removed the asset atlas. It did not contain anything useful and
could not be sampled in sRGB without a yet-to-be-defined GL
extension
- The last column of color matrices is converted to linear space
because its value are added to linear colors
Missing features:
- Resource qualifier?
- Regeneration of goldeng images for automated tests
- Handle alpha8/grey8 properly
- Disable sRGB write for layers with external textures
Test: Manual testing while work in progress
Bug: 29940137
Change-Id: I6a07b15ab49b554377cd33a36b6d9971a15e9a0b
- New service TVRemoteService triggered by SystemServer
- Provider service proxy and watcher for maintaining connections to unbundled
services which have the BIND_TV_REMOTE_SERVICE permission.
- Shared library to facilitate connections between unbundled service and
TVRemoteService.
- Unbundled service needs TV_VIRTUAL_REMOTE_CONTROLLER
permission to be fully functional.
b/23792608
Change-Id: Ief5c6995883d1f7268a73bdd0c920c4c3f42cddb
Add HardwarePropertiesManagerService which call native methods to
get CPU, GPU, battery temperatures, CPU usage info, fan speeds.
Restrict hardware properties retrieval only for device and profile
owners.
Bug: 26945055
Change-Id: I4d6b30b78e575532d5e9cfa59ef6cd81355439d4
Uses cpusets to move all foreground tasks to the big cores in order
to improve overall app launch latency. Big cores will be used for
three seconds, and then the cpuset assignment is reset, allowing
foreground tasks to fall back to the little cores as appropriate.
Associated system/core and device/* changes in order to enable
the boost cpuset and configure it per-device.
bug 21915482
Change-Id: Id8a0efcb31950c1988f20273ac01c89c8c948eaf
This adds a new service, fingerprintd, that manages fingerprint
hardware from a separate process. It provides a binder interface that
FingerprintManager uses to talk to the fingerprint HAL.
Change-Id: I84d8e407c1f1a7d1a396e246c382459ad38810ae
MIDI ports are now implemented as file descriptors directly between the sender
and receiver, so the MidiService is no longer in the message path.
To facilitate the above, each port has its own file descriptor, rather than multiplexing
all ports on a device through a single socket.
Added a new class MidiDeviceServer, which is used by implementors of MIDI devices.
This replaces the MidiVirtualDevice class (which only was included in changes that were reviewed but never submitted).
The USB MIDI implementation has moved from the MIDI service to the USB service.
The USB MIDI implementation uses MidiDeviceServer as its interface, so we now have a common
interface for all MIDI device implementations.
Change-Id: I8effd1583f344beb6c940c3a24dbf20b477a6436
We set the system_server classpath in the environment
(like we do with BOOTCLASSPATH). After the zygote forks
the system_server, we dexopt the classpath (if needed)
and then launch the system server with the correct
PathClassLoader. This needed several small / medium
refactorings :
- The logic for connecting to installd is now in a separate
class and belongs in the system_server.
- SystemService / SystemServiceManager have now moved to
classes.jar. They are only used from there, and since they
use Class.forName, we want them to be loaded by the
system_server classloader, and not the bootclassloader.
- BootReceiver now moves to frameworks.jar, because it is
used by ActivityThread and friends.
bug: 16555230
Change-Id: Ic84f0b2baf611eeedff6d123cb7191bb0259e600
Permits apps with permission
android.permission.ACCESS_PERSISTENT_PARTITION to obtain
a read and write data blocks to the PST partition.
Only one block ever exists at one time in PST. When
a client writes another block, the previous one is
overwritten.
This permits storing a block of data that will live
across factory resets.
Change-Id: I8f23df3531f3c0512118eb4b7530eff8a8e81c83
The service is replaced with HdmiControlService. Removing all the related
classes and the initialization of the service.
Change-Id: Ic7baaddffb9873613ddd1096e874f226da983939
HdmiCecService is a system service handling HDMI-CEC features
and command. Recently we found out that industry has more
requirements to support HDMI-CEC. Also, MHL is another
standard should be in our pocket. Basically, MHL is
a standard to support communication between mobile device
and TV or Av device. As CEC is a control standard over HDMI
cable, MHL has control channel for peer device.
There behavior is very similiar. Both have commands that
can change Tv's current input and can send/receive key
to other device to control other deivce or TV.
In order to cover both CEC and MHL, current HdmiCecService
implementation has limitation. We had several
session of discussion and decided to refactor
HdmiCecService into HdmiControlService.
For each standard it will have separate controller instance
like HdmiCecController and HdmiMhlController.
In this change I didn't touch original HdmiCecService
because some component, like cast receiver, uses HdmiCecService.
For a while we will keep HdmiCecService until HdmiControlService
accomodates all features of HdmiCecService.
Change-Id: I5485280ab803dbf071d898bfbe34be0b11ce7958
This CL adds a system service handling HDMI-CEC protocol. The service
is equipped with the capability sending/receiving HDMI-CEC messages
Not all the messages are in place. Currently it has messages to support
a few features only, as follows:
- One touch play
- System information
- Routing control (partially - active source status maintenance only)
- Device OSD transfer
- Power status
It will be extended to cover the wider usages in the follow up CLs.
The CEC standard version referenced in the implementation is 1.3a.
Change-Id: Ifed0b02f52ebf098eddb3bd0987efbf353b7e8fe
Depends on a modification to libsuspend so that we can get
a callback each time the device wakes up, to read the current
wakeup reasons from the kernel. These are then stuffed in
to a new field in the battery history.
Also add new dump options --history-start and --charged
to better control what is dumped.
Finally the alarm manager uses a "*walarm*" tag for history
item wake locks that are coming from a wakeup alarm.
Change-Id: I457571973d5b2b5fdc4e4b63ab16275db20d7edd
When a doze component has been specified in a config.xml resource
overlay, the power manager will try to start a preconfigured dream
whenever it would have otherwise gone to sleep and turned the
screen off. The dream should render whatever it intends to show
then call startDozing() to tell the power manager to put the display
into a low power "doze" state and allow the application processor
to be suspended. The dream may wake up periodically using the
alarm manager or other features to update the contents of the display.
Added several new config.xml resources related to dreams and dozing.
In particular for dozing there are two new resources that pertain to
decoupling auto-suspend mode and interactive mode from the display
state. This is a requirement to enable the application processor
and other components to be suspended while dozing. Most devices
do not support these features today.
Consolidated the power manager's NAPPING and DREAMING states into one
to simplify the logic. The NAPPING state was mostly superfluous
and simply indicated that the power manager should attempt to start
a new dream. This state is now tracked in the mSandmanSummoned field.
Added a new DOZING state which is analoguous to DREAMING. The normal
state transition is now: AWAKE -> DREAMING -> DOZING -> ASLEEP.
The PowerManager.goToSleep() method now enters the DOZING state instead
of immediately going to sleep.
While in the doze state, the screen remains on. However, we actually
tell the rest of the system that the screen is off. This is somewhat
unfortunate but much of the system makes inappropriate assumptions
about what it means for the screen to be on or off. In particular,
screen on is usually taken to indicate an interactive state where
the user is present but that's not at all true for dozing (and is
only sometimes true while dreaming). We will probably need to add
some more precise externally visible states at some point.
The DozeHardware interface encapsulates a generic microcontroller
interface to allow a doze dream for off-loading rendering or other
functions while dozing. If the device possesses an MCU HAL for dozing
then it is exposed to the DreamService here.
Removed a number of catch blocks in DreamService that caught Throwable
and attempted to cause the dream to finish itself. We actually just
want to let the process crash. Cleanup will happen automatically if
needed. Catching these exceptions results in mysterious undefined
behavior and broken dreams.
Bug: 12494706
Change-Id: Ie78336b37dde7250d1ce65b3d367879e3bfb2b8b
Refactored the directory structure so that services can be optionally
excluded. This is step 1. Will be followed by another change that makes
it possible to remove services from the build.
Change-Id: Ideacedfd34b5e213217ad3ff4ebb21c4a8e73f85
