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-rw-r--r--include/surfaceflinger/ISurfaceComposer.h5
-rw-r--r--include/ui/Input.h4
-rw-r--r--include/ui/InputDispatcher.h5
-rw-r--r--libs/surfaceflinger_client/ISurfaceComposer.cpp15
-rw-r--r--libs/ui/InputDispatcher.cpp77
-rw-r--r--services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp18
-rw-r--r--services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h5
-rw-r--r--services/surfaceflinger/LayerBase.cpp6
-rw-r--r--services/surfaceflinger/MessageQueue.cpp16
-rw-r--r--services/surfaceflinger/SurfaceFlinger.cpp234
-rw-r--r--services/surfaceflinger/SurfaceFlinger.h4
11 files changed, 326 insertions, 63 deletions
diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h
index 6533600..1a1821c 100644
--- a/include/surfaceflinger/ISurfaceComposer.h
+++ b/include/surfaceflinger/ISurfaceComposer.h
@@ -118,6 +118,8 @@ public:
uint32_t* width, uint32_t* height, PixelFormat* format,
uint32_t reqWidth, uint32_t reqHeight) = 0;
+ virtual status_t turnElectronBeamOff(int32_t mode) = 0;
+
/* Signal surfaceflinger that there might be some work to do
* This is an ASYNCHRONOUS call.
*/
@@ -142,7 +144,8 @@ public:
FREEZE_DISPLAY,
UNFREEZE_DISPLAY,
SIGNAL,
- CAPTURE_SCREEN
+ CAPTURE_SCREEN,
+ TURN_ELECTRON_BEAM_OFF
};
virtual status_t onTransact( uint32_t code,
diff --git a/include/ui/Input.h b/include/ui/Input.h
index 66061fd..8c6018b 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -95,6 +95,10 @@ enum {
// Indicates that the input event was injected.
POLICY_FLAG_INJECTED = 0x01000000,
+ // Indicates that the input event is from a trusted source such as a directly attached
+ // input device or an application with system-wide event injection permission.
+ POLICY_FLAG_TRUSTED = 0x02000000,
+
/* These flags are set by the input reader policy as it intercepts each event. */
// Indicates that the screen was off when the event was received and the event
diff --git a/include/ui/InputDispatcher.h b/include/ui/InputDispatcher.h
index 0834e86..3599163 100644
--- a/include/ui/InputDispatcher.h
+++ b/include/ui/InputDispatcher.h
@@ -913,7 +913,6 @@ private:
void drainInboundQueueLocked();
void releasePendingEventLocked();
void releaseInboundEventLocked(EventEntry* entry);
- bool isEventFromTrustedSourceLocked(EventEntry* entry);
// Dispatch state.
bool mDispatchEnabled;
@@ -960,10 +959,10 @@ private:
nsecs_t currentTime, ConfigurationChangedEntry* entry);
bool dispatchKeyLocked(
nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout,
- bool dropEvent, nsecs_t* nextWakeupTime);
+ DropReason* dropReason, nsecs_t* nextWakeupTime);
bool dispatchMotionLocked(
nsecs_t currentTime, MotionEntry* entry,
- bool dropEvent, nsecs_t* nextWakeupTime);
+ DropReason* dropReason, nsecs_t* nextWakeupTime);
void dispatchEventToCurrentInputTargetsLocked(
nsecs_t currentTime, EventEntry* entry, bool resumeWithAppendedMotionSample);
diff --git a/libs/surfaceflinger_client/ISurfaceComposer.cpp b/libs/surfaceflinger_client/ISurfaceComposer.cpp
index d676f5e..d72561f 100644
--- a/libs/surfaceflinger_client/ISurfaceComposer.cpp
+++ b/libs/surfaceflinger_client/ISurfaceComposer.cpp
@@ -142,6 +142,15 @@ public:
return reply.readInt32();
}
+ virtual status_t turnElectronBeamOff(int32_t mode)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ data.writeInt32(mode);
+ remote()->transact(BnSurfaceComposer::TURN_ELECTRON_BEAM_OFF, data, &reply);
+ return reply.readInt32();
+ }
+
virtual void signal() const
{
Parcel data, reply;
@@ -224,6 +233,12 @@ status_t BnSurfaceComposer::onTransact(
reply->writeInt32(f);
reply->writeInt32(res);
} break;
+ case TURN_ELECTRON_BEAM_OFF: {
+ CHECK_INTERFACE(ISurfaceComposer, data, reply);
+ int32_t mode = data.readInt32();
+ status_t res = turnElectronBeamOff(mode);
+ reply->writeInt32(res);
+ }
default:
return BBinder::onTransact(code, data, reply, flags);
}
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
index 58c2cdf..6ba19d7 100644
--- a/libs/ui/InputDispatcher.cpp
+++ b/libs/ui/InputDispatcher.cpp
@@ -370,7 +370,7 @@ void InputDispatcher::dispatchOnceInnerLocked(nsecs_t keyRepeatTimeout,
}
}
done = dispatchKeyLocked(currentTime, typedEntry, keyRepeatTimeout,
- dropReason != DROP_REASON_NOT_DROPPED, nextWakeupTime);
+ &dropReason, nextWakeupTime);
break;
}
@@ -380,7 +380,7 @@ void InputDispatcher::dispatchOnceInnerLocked(nsecs_t keyRepeatTimeout,
dropReason = DROP_REASON_APP_SWITCH;
}
done = dispatchMotionLocked(currentTime, typedEntry,
- dropReason != DROP_REASON_NOT_DROPPED, nextWakeupTime);
+ &dropReason, nextWakeupTime);
break;
}
@@ -431,8 +431,10 @@ void InputDispatcher::dropInboundEventLocked(EventEntry* entry, DropReason dropR
const char* reason;
switch (dropReason) {
case DROP_REASON_POLICY:
- reason = "inbound event was dropped because the policy requested that it not be "
- "delivered to the application";
+#if DEBUG_INBOUND_EVENT_DETAILS
+ LOGD("Dropped event because policy consumed it.");
+#endif
+ reason = "inbound event was dropped because the policy consumed it";
break;
case DROP_REASON_DISABLED:
LOGI("Dropped event because input dispatch is disabled.");
@@ -473,7 +475,7 @@ bool InputDispatcher::isAppSwitchKeyCode(int32_t keyCode) {
bool InputDispatcher::isAppSwitchKeyEventLocked(KeyEntry* keyEntry) {
return ! (keyEntry->flags & AKEY_EVENT_FLAG_CANCELED)
&& isAppSwitchKeyCode(keyEntry->keyCode)
- && isEventFromTrustedSourceLocked(keyEntry)
+ && (keyEntry->policyFlags & POLICY_FLAG_TRUSTED)
&& (keyEntry->policyFlags & POLICY_FLAG_PASS_TO_USER);
}
@@ -541,12 +543,6 @@ void InputDispatcher::releaseInboundEventLocked(EventEntry* entry) {
mAllocator.releaseEventEntry(entry);
}
-bool InputDispatcher::isEventFromTrustedSourceLocked(EventEntry* entry) {
- InjectionState* injectionState = entry->injectionState;
- return ! injectionState
- || hasInjectionPermission(injectionState->injectorPid, injectionState->injectorUid);
-}
-
void InputDispatcher::resetKeyRepeatLocked() {
if (mKeyRepeatState.lastKeyEntry) {
mAllocator.releaseKeyEntry(mKeyRepeatState.lastKeyEntry);
@@ -559,7 +555,8 @@ InputDispatcher::KeyEntry* InputDispatcher::synthesizeKeyRepeatLocked(
KeyEntry* entry = mKeyRepeatState.lastKeyEntry;
// Reuse the repeated key entry if it is otherwise unreferenced.
- uint32_t policyFlags = entry->policyFlags & (POLICY_FLAG_RAW_MASK | POLICY_FLAG_PASS_TO_USER);
+ uint32_t policyFlags = (entry->policyFlags & POLICY_FLAG_RAW_MASK)
+ | POLICY_FLAG_PASS_TO_USER | POLICY_FLAG_TRUSTED;
if (entry->refCount == 1) {
mAllocator.recycleKeyEntry(entry);
entry->eventTime = currentTime;
@@ -608,19 +605,13 @@ bool InputDispatcher::dispatchConfigurationChangedLocked(
bool InputDispatcher::dispatchKeyLocked(
nsecs_t currentTime, KeyEntry* entry, nsecs_t keyRepeatTimeout,
- bool dropEvent, nsecs_t* nextWakeupTime) {
+ DropReason* dropReason, nsecs_t* nextWakeupTime) {
// Give the policy a chance to intercept the key.
if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_UNKNOWN) {
- bool trusted;
- if (! dropEvent && mFocusedWindow) {
- trusted = checkInjectionPermission(mFocusedWindow, entry->injectionState);
- } else {
- trusted = isEventFromTrustedSourceLocked(entry);
- }
- if (trusted) {
+ if (entry->policyFlags & POLICY_FLAG_PASS_TO_USER) {
CommandEntry* commandEntry = postCommandLocked(
& InputDispatcher::doInterceptKeyBeforeDispatchingLockedInterruptible);
- if (! dropEvent && mFocusedWindow) {
+ if (mFocusedWindow) {
commandEntry->inputChannel = mFocusedWindow->inputChannel;
}
commandEntry->keyEntry = entry;
@@ -630,15 +621,16 @@ bool InputDispatcher::dispatchKeyLocked(
entry->interceptKeyResult = KeyEntry::INTERCEPT_KEY_RESULT_CONTINUE;
}
} else if (entry->interceptKeyResult == KeyEntry::INTERCEPT_KEY_RESULT_SKIP) {
- resetTargetsLocked();
- setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_SUCCEEDED);
- return true;
+ if (*dropReason == DROP_REASON_NOT_DROPPED) {
+ *dropReason = DROP_REASON_POLICY;
+ }
}
// Clean up if dropping the event.
- if (dropEvent) {
+ if (*dropReason != DROP_REASON_NOT_DROPPED) {
resetTargetsLocked();
- setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_FAILED);
+ setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
+ ? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
return true;
}
@@ -648,7 +640,8 @@ bool InputDispatcher::dispatchKeyLocked(
if (entry->repeatCount == 0
&& entry->action == AKEY_EVENT_ACTION_DOWN
- && ! entry->isInjected()) {
+ && (entry->policyFlags & POLICY_FLAG_TRUSTED)
+ && !entry->isInjected()) {
if (mKeyRepeatState.lastKeyEntry
&& mKeyRepeatState.lastKeyEntry->keyCode == entry->keyCode) {
// We have seen two identical key downs in a row which indicates that the device
@@ -713,11 +706,12 @@ void InputDispatcher::logOutboundKeyDetailsLocked(const char* prefix, const KeyE
}
bool InputDispatcher::dispatchMotionLocked(
- nsecs_t currentTime, MotionEntry* entry, bool dropEvent, nsecs_t* nextWakeupTime) {
+ nsecs_t currentTime, MotionEntry* entry, DropReason* dropReason, nsecs_t* nextWakeupTime) {
// Clean up if dropping the event.
- if (dropEvent) {
+ if (*dropReason != DROP_REASON_NOT_DROPPED) {
resetTargetsLocked();
- setInjectionResultLocked(entry, INPUT_EVENT_INJECTION_FAILED);
+ setInjectionResultLocked(entry, *dropReason == DROP_REASON_POLICY
+ ? INPUT_EVENT_INJECTION_SUCCEEDED : INPUT_EVENT_INJECTION_FAILED);
return true;
}
@@ -2085,6 +2079,7 @@ void InputDispatcher::notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t sou
return;
}
+ policyFlags |= POLICY_FLAG_TRUSTED;
mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /*byref*/ flags,
keyCode, scanCode, /*byref*/ policyFlags);
@@ -2130,6 +2125,7 @@ void InputDispatcher::notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t
return;
}
+ policyFlags |= POLICY_FLAG_TRUSTED;
mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
bool needWake;
@@ -2263,6 +2259,7 @@ void InputDispatcher::notifySwitch(nsecs_t when, int32_t switchCode, int32_t swi
switchCode, switchValue, policyFlags);
#endif
+ policyFlags |= POLICY_FLAG_TRUSTED;
mPolicy->notifySwitch(when, switchCode, switchValue, policyFlags);
}
@@ -2275,7 +2272,11 @@ int32_t InputDispatcher::injectInputEvent(const InputEvent* event,
#endif
nsecs_t endTime = now() + milliseconds_to_nanoseconds(timeoutMillis);
- bool trusted = hasInjectionPermission(injectorPid, injectorUid);
+
+ uint32_t policyFlags = POLICY_FLAG_INJECTED;
+ if (hasInjectionPermission(injectorPid, injectorUid)) {
+ policyFlags |= POLICY_FLAG_TRUSTED;
+ }
EventEntry* injectedEntry;
switch (event->getType()) {
@@ -2291,11 +2292,8 @@ int32_t InputDispatcher::injectInputEvent(const InputEvent* event,
int32_t flags = keyEvent->getFlags();
int32_t keyCode = keyEvent->getKeyCode();
int32_t scanCode = keyEvent->getScanCode();
- uint32_t policyFlags = POLICY_FLAG_INJECTED;
- if (trusted) {
- mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /*byref*/ flags,
- keyCode, scanCode, /*byref*/ policyFlags);
- }
+ mPolicy->interceptKeyBeforeQueueing(eventTime, deviceId, action, /*byref*/ flags,
+ keyCode, scanCode, /*byref*/ policyFlags);
mLock.lock();
injectedEntry = mAllocator.obtainKeyEntry(eventTime, deviceId, keyEvent->getSource(),
@@ -2314,10 +2312,7 @@ int32_t InputDispatcher::injectInputEvent(const InputEvent* event,
}
nsecs_t eventTime = motionEvent->getEventTime();
- uint32_t policyFlags = POLICY_FLAG_INJECTED;
- if (trusted) {
- mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
- }
+ mPolicy->interceptGenericBeforeQueueing(eventTime, /*byref*/ policyFlags);
mLock.lock();
const nsecs_t* sampleEventTimes = motionEvent->getSampleEventTimes();
@@ -3323,7 +3318,7 @@ void InputDispatcher::InputState::synthesizeCancelationEvents(nsecs_t currentTim
}
}
- for (size_t i = 0; i < mMotionMementos.size(); i++) {
+ for (size_t i = 0; i < mMotionMementos.size(); ) {
const MotionMemento& memento = mMotionMementos.itemAt(i);
if (shouldCancelEvent(memento.source, options)) {
outEvents.push(allocator->obtainMotionEntry(currentTime,
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
index 1d09f84..fe9a5ab 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
@@ -359,7 +359,7 @@ status_t DisplayHardwareBase::ConsoleManagerThread::initCheck() const
DisplayHardwareBase::DisplayHardwareBase(const sp<SurfaceFlinger>& flinger,
uint32_t displayIndex)
- : mCanDraw(true)
+ : mCanDraw(true), mScreenAcquired(true)
{
mDisplayEventThread = new DisplayEventThread(flinger);
if (mDisplayEventThread->initCheck() != NO_ERROR) {
@@ -374,18 +374,21 @@ DisplayHardwareBase::~DisplayHardwareBase()
mDisplayEventThread->requestExitAndWait();
}
+void DisplayHardwareBase::setCanDraw(bool canDraw)
+{
+ mCanDraw = canDraw;
+}
bool DisplayHardwareBase::canDraw() const
{
- return mCanDraw;
+ return mCanDraw && mScreenAcquired;
}
void DisplayHardwareBase::releaseScreen() const
{
status_t err = mDisplayEventThread->releaseScreen();
if (err >= 0) {
- //LOGD("screen given-up");
- mCanDraw = false;
+ mScreenAcquired = false;
}
}
@@ -393,9 +396,14 @@ void DisplayHardwareBase::acquireScreen() const
{
status_t err = mDisplayEventThread->acquireScreen();
if (err >= 0) {
- //LOGD("screen returned");
mCanDraw = true;
+ mScreenAcquired = true;
}
}
+bool DisplayHardwareBase::isScreenAcquired() const
+{
+ return mScreenAcquired;
+}
+
}; // namespace android
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
index 8369bb8..fa6a0c4 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
@@ -40,7 +40,11 @@ public:
// console managment
void releaseScreen() const;
void acquireScreen() const;
+ bool isScreenAcquired() const;
+
bool canDraw() const;
+ void setCanDraw(bool canDraw);
+
private:
class DisplayEventThreadBase : public Thread {
@@ -89,6 +93,7 @@ private:
sp<DisplayEventThreadBase> mDisplayEventThread;
mutable int mCanDraw;
+ mutable int mScreenAcquired;
};
}; // namespace android
diff --git a/services/surfaceflinger/LayerBase.cpp b/services/surfaceflinger/LayerBase.cpp
index 758b408..069b85a 100644
--- a/services/surfaceflinger/LayerBase.cpp
+++ b/services/surfaceflinger/LayerBase.cpp
@@ -444,11 +444,11 @@ void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const
}
if (transform & HAL_TRANSFORM_FLIP_V) {
swap(vLT, vLB);
- swap(vRB, vRT);
+ swap(vRT, vRB);
}
if (transform & HAL_TRANSFORM_FLIP_H) {
- swap(vLT, vRB);
- swap(vLB, vRT);
+ swap(vLT, vRT);
+ swap(vLB, vRB);
}
TexCoords texCoords[4];
diff --git a/services/surfaceflinger/MessageQueue.cpp b/services/surfaceflinger/MessageQueue.cpp
index 4fb1e61..aebe1b8 100644
--- a/services/surfaceflinger/MessageQueue.cpp
+++ b/services/surfaceflinger/MessageQueue.cpp
@@ -72,14 +72,6 @@ sp<MessageBase> MessageQueue::waitMessage(nsecs_t timeout)
nsecs_t now = systemTime();
nsecs_t nextEventTime = -1;
- // invalidate messages are always handled first
- if (mInvalidate) {
- mInvalidate = false;
- mInvalidateMessage->when = now;
- result = mInvalidateMessage;
- break;
- }
-
LIST::iterator cur(mMessages.begin());
if (cur != mMessages.end()) {
result = *cur;
@@ -95,6 +87,14 @@ sp<MessageBase> MessageQueue::waitMessage(nsecs_t timeout)
result = 0;
}
+ // see if we have an invalidate message
+ if (mInvalidate) {
+ mInvalidate = false;
+ mInvalidateMessage->when = now;
+ result = mInvalidateMessage;
+ break;
+ }
+
if (timeout >= 0) {
if (timeoutTime < now) {
// we timed-out, return a NULL message
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e5e87c6..a919ddf 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -423,14 +423,14 @@ void SurfaceFlinger::handleConsoleEvents()
hw.acquireScreen();
}
- if (mDeferReleaseConsole && hw.canDraw()) {
+ if (mDeferReleaseConsole && hw.isScreenAcquired()) {
// We got the release signal before the acquire signal
mDeferReleaseConsole = false;
hw.releaseScreen();
}
if (what & eConsoleReleased) {
- if (hw.canDraw()) {
+ if (hw.isScreenAcquired()) {
hw.releaseScreen();
} else {
mDeferReleaseConsole = true;
@@ -1456,6 +1456,7 @@ status_t SurfaceFlinger::onTransact(
case FREEZE_DISPLAY:
case UNFREEZE_DISPLAY:
case BOOT_FINISHED:
+ case TURN_ELECTRON_BEAM_OFF:
{
// codes that require permission check
IPCThreadState* ipc = IPCThreadState::self();
@@ -1544,6 +1545,231 @@ status_t SurfaceFlinger::onTransact(
return err;
}
+
+// ---------------------------------------------------------------------------
+
+status_t SurfaceFlinger::turnElectronBeamOffImplLocked()
+{
+ status_t result = PERMISSION_DENIED;
+
+ if (!GLExtensions::getInstance().haveFramebufferObject())
+ return INVALID_OPERATION;
+
+ // get screen geometry
+ const int dpy = 0;
+ const DisplayHardware& hw(graphicPlane(dpy).displayHardware());
+ if (!hw.canDraw()) {
+ // we're already off
+ return NO_ERROR;
+ }
+
+ const uint32_t hw_w = hw.getWidth();
+ const uint32_t hw_h = hw.getHeight();
+ const Region screenBounds(hw.bounds());
+ GLfloat u = 1;
+ GLfloat v = 1;
+
+ // make sure to clear all GL error flags
+ while ( glGetError() != GL_NO_ERROR ) ;
+
+ // create a FBO
+ GLuint name, tname;
+ glGenTextures(1, &tname);
+ glBindTexture(GL_TEXTURE_2D, tname);
+ glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, hw_w, hw_h, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+ if (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);
+
+ GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
+ if (status == GL_FRAMEBUFFER_COMPLETE_OES) {
+ // redraw the screen entirely...
+ glClearColor(0,0,0,1);
+ glClear(GL_COLOR_BUFFER_BIT);
+ 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();
+ }
+ // back to main framebuffer
+ glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
+ glDisable(GL_SCISSOR_TEST);
+
+ GLfloat vtx[8];
+ const GLfloat texCoords[4][2] = { {0,v}, {0,0}, {u,0}, {u,v} };
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, tname);
+ glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ 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 24 frames
+ const int nbFrames = 12;
+
+ v_stretch vverts(hw_w, hw_h);
+ s_curve_interpolator itr(nbFrames, 7.5f);
+ s_curve_interpolator itg(nbFrames, 8.0f);
+ s_curve_interpolator itb(nbFrames, 8.5f);
+ 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);
+ result = NO_ERROR;
+ } else {
+ // release FBO resources
+ glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
+ result = BAD_VALUE;
+ }
+
+ glDeleteFramebuffersOES(1, &name);
+ glDeleteTextures(1, &tname);
+
+ if (result == NO_ERROR) {
+ DisplayHardware& hw(graphicPlane(dpy).editDisplayHardware());
+ hw.setCanDraw(false);
+ }
+
+ return result;
+}
+
+status_t SurfaceFlinger::turnElectronBeamOff(int32_t mode)
+{
+ if (!GLExtensions::getInstance().haveFramebufferObject())
+ return INVALID_OPERATION;
+
+ class MessageTurnElectronBeamOff : public MessageBase {
+ SurfaceFlinger* flinger;
+ status_t result;
+ public:
+ MessageTurnElectronBeamOff(SurfaceFlinger* flinger)
+ : flinger(flinger), result(PERMISSION_DENIED) {
+ }
+ status_t getResult() const {
+ return result;
+ }
+ virtual bool handler() {
+ Mutex::Autolock _l(flinger->mStateLock);
+ result = flinger->turnElectronBeamOffImplLocked();
+ return true;
+ }
+ };
+
+ sp<MessageBase> msg = new MessageTurnElectronBeamOff(this);
+ status_t res = postMessageSync(msg);
+ if (res == NO_ERROR) {
+ res = static_cast<MessageTurnElectronBeamOff*>( msg.get() )->getResult();
+ }
+ return res;
+}
+
// ---------------------------------------------------------------------------
status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
@@ -2005,6 +2231,10 @@ const DisplayHardware& GraphicPlane::displayHardware() const {
return *mHw;
}
+DisplayHardware& GraphicPlane::editDisplayHardware() {
+ return *mHw;
+}
+
const Transform& GraphicPlane::transform() const {
return mGlobalTransform;
}
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index f0a167b..f85a22b 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -141,6 +141,7 @@ public:
int getHeight() const;
const DisplayHardware& displayHardware() const;
+ DisplayHardware& editDisplayHardware();
const Transform& transform() const;
EGLDisplay getEGLDisplay() const;
@@ -200,6 +201,7 @@ public:
PixelFormat* format,
uint32_t reqWidth,
uint32_t reqHeight);
+ virtual status_t turnElectronBeamOff(int32_t mode);
void screenReleased(DisplayID dpy);
void screenAcquired(DisplayID dpy);
@@ -325,6 +327,8 @@ private:
uint32_t* width, uint32_t* height, PixelFormat* format,
uint32_t reqWidth = 0, uint32_t reqHeight = 0);
+ status_t turnElectronBeamOffImplLocked();
+
friend class FreezeLock;
sp<FreezeLock> getFreezeLock() const;
inline void incFreezeCount() {
generated by cgit v1.1 at 2025-01-25 08:20:12 +0000