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-rw-r--r--libs/gui/ISurfaceComposer.cpp14
-rw-r--r--libs/gui/SurfaceComposerClient.cpp17
-rw-r--r--libs/gui/include/gui/ISurfaceComposer.h8
-rw-r--r--libs/gui/include/gui/SurfaceComposerClient.h3
-rw-r--r--libs/gui/tests/Surface_test.cpp8
-rw-r--r--services/surfaceflinger/RegionSamplingThread.cpp3
-rw-r--r--services/surfaceflinger/SurfaceFlinger.cpp34
-rw-r--r--services/surfaceflinger/SurfaceFlinger.h16
-rw-r--r--services/surfaceflinger/tests/Transaction_test.cpp9
-rw-r--r--services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h11
10 files changed, 74 insertions, 49 deletions
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 8d7baf34a..a3165ddb9 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -109,7 +109,7 @@ public:
}
virtual status_t captureScreen(const sp<IBinder>& display, sp<GraphicBuffer>* outBuffer,
- const ui::Dataspace reqDataspace,
+ bool& outCapturedSecureLayers, const ui::Dataspace reqDataspace,
const ui::PixelFormat reqPixelFormat, Rect sourceCrop,
uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform,
ISurfaceComposer::Rotation rotation, bool captureSecureLayers) {
@@ -137,6 +137,7 @@ public:
*outBuffer = new GraphicBuffer();
reply.read(**outBuffer);
+ outCapturedSecureLayers = reply.readBool();
return result;
}
@@ -1027,12 +1028,17 @@ status_t BnSurfaceComposer::onTransact(
int32_t rotation = data.readInt32();
bool captureSecureLayers = static_cast<bool>(data.readInt32());
- status_t res = captureScreen(display, &outBuffer, reqDataspace, reqPixelFormat,
- sourceCrop, reqWidth, reqHeight, useIdentityTransform,
- static_cast<ISurfaceComposer::Rotation>(rotation), captureSecureLayers);
+ bool capturedSecureLayers = false;
+ status_t res = captureScreen(display, &outBuffer, capturedSecureLayers, reqDataspace,
+ reqPixelFormat, sourceCrop, reqWidth, reqHeight,
+ useIdentityTransform,
+ static_cast<ISurfaceComposer::Rotation>(rotation),
+ captureSecureLayers);
+
reply->writeInt32(res);
if (res == NO_ERROR) {
reply->write(*outBuffer);
+ reply->writeBool(capturedSecureLayers);
}
return NO_ERROR;
}
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 0e6170278..611da89ef 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1542,13 +1542,15 @@ status_t SurfaceComposerClient::setDisplayBrightness(const sp<IBinder>& displayT
status_t ScreenshotClient::capture(const sp<IBinder>& display, const ui::Dataspace reqDataSpace,
const ui::PixelFormat reqPixelFormat, Rect sourceCrop,
uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform,
- uint32_t rotation, bool captureSecureLayers, sp<GraphicBuffer>* outBuffer) {
+ uint32_t rotation, bool captureSecureLayers,
+ sp<GraphicBuffer>* outBuffer, bool& outCapturedSecureLayers) {
sp<ISurfaceComposer> s(ComposerService::getComposerService());
if (s == nullptr) return NO_INIT;
- status_t ret = s->captureScreen(display, outBuffer, reqDataSpace, reqPixelFormat, sourceCrop,
- reqWidth, reqHeight, useIdentityTransform,
- static_cast<ISurfaceComposer::Rotation>(rotation),
- captureSecureLayers);
+ status_t ret =
+ s->captureScreen(display, outBuffer, outCapturedSecureLayers, reqDataSpace,
+ reqPixelFormat, sourceCrop, reqWidth, reqHeight, useIdentityTransform,
+ static_cast<ISurfaceComposer::Rotation>(rotation),
+ captureSecureLayers);
if (ret != NO_ERROR) {
return ret;
}
@@ -1559,8 +1561,9 @@ status_t ScreenshotClient::capture(const sp<IBinder>& display, const ui::Dataspa
const ui::PixelFormat reqPixelFormat, Rect sourceCrop,
uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform,
uint32_t rotation, sp<GraphicBuffer>* outBuffer) {
- return capture(display, reqDataSpace, reqPixelFormat, sourceCrop, reqWidth,
- reqHeight, useIdentityTransform, rotation, false, outBuffer);
+ bool ignored;
+ return capture(display, reqDataSpace, reqPixelFormat, sourceCrop, reqWidth, reqHeight,
+ useIdentityTransform, rotation, false, outBuffer, ignored);
}
status_t ScreenshotClient::captureLayers(const sp<IBinder>& layerHandle,
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 14d92bf04..415b2d58e 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -212,7 +212,7 @@ public:
* it) around its center.
*/
virtual status_t captureScreen(const sp<IBinder>& display, sp<GraphicBuffer>* outBuffer,
- const ui::Dataspace reqDataspace,
+ bool& outCapturedSecureLayers, const ui::Dataspace reqDataspace,
const ui::PixelFormat reqPixelFormat, Rect sourceCrop,
uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform,
Rotation rotation = eRotateNone,
@@ -241,8 +241,10 @@ public:
virtual status_t captureScreen(const sp<IBinder>& display, sp<GraphicBuffer>* outBuffer,
Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
bool useIdentityTransform, Rotation rotation = eRotateNone) {
- return captureScreen(display, outBuffer, ui::Dataspace::V0_SRGB, ui::PixelFormat::RGBA_8888,
- sourceCrop, reqWidth, reqHeight, useIdentityTransform, rotation);
+ bool outIgnored;
+ return captureScreen(display, outBuffer, outIgnored, ui::Dataspace::V0_SRGB,
+ ui::PixelFormat::RGBA_8888, sourceCrop, reqWidth, reqHeight,
+ useIdentityTransform, rotation);
}
template <class AA>
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index f64fb61ec..9d344689d 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -509,7 +509,8 @@ public:
static status_t capture(const sp<IBinder>& display, const ui::Dataspace reqDataSpace,
const ui::PixelFormat reqPixelFormat, Rect sourceCrop,
uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform,
- uint32_t rotation, bool captureSecureLayers, sp<GraphicBuffer>* outBuffer);
+ uint32_t rotation, bool captureSecureLayers,
+ sp<GraphicBuffer>* outBuffer, bool& outCapturedSecureLayers);
static status_t capture(const sp<IBinder>& display, const ui::Dataspace reqDataSpace,
const ui::PixelFormat reqPixelFormat, Rect sourceCrop,
uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform,
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index fa2e97f1a..d5bdd74a8 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -126,7 +126,7 @@ TEST_F(SurfaceTest, QueuesToWindowComposerIsTrueWhenPurgatorized) {
}
// This test probably doesn't belong here.
-TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersSucceed) {
+TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersDontSucceed) {
sp<ANativeWindow> anw(mSurface);
// Verify the screenshot works with no protected buffers.
@@ -136,8 +136,9 @@ TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersSucceed) {
ASSERT_FALSE(display == nullptr);
sp<GraphicBuffer> outBuffer;
+ bool ignored;
ASSERT_EQ(NO_ERROR,
- sf->captureScreen(display, &outBuffer, ui::Dataspace::V0_SRGB,
+ sf->captureScreen(display, &outBuffer, ignored, ui::Dataspace::V0_SRGB,
ui::PixelFormat::RGBA_8888, Rect(), 64, 64, false));
ASSERT_EQ(NO_ERROR, native_window_api_connect(anw.get(),
@@ -169,7 +170,7 @@ TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersSucceed) {
ASSERT_EQ(NO_ERROR, anw->queueBuffer(anw.get(), buf, -1));
}
ASSERT_EQ(NO_ERROR,
- sf->captureScreen(display, &outBuffer, ui::Dataspace::V0_SRGB,
+ sf->captureScreen(display, &outBuffer, ignored, ui::Dataspace::V0_SRGB,
ui::PixelFormat::RGBA_8888, Rect(), 64, 64, false));
}
@@ -615,6 +616,7 @@ public:
status_t setActiveColorMode(const sp<IBinder>& /*display*/,
ColorMode /*colorMode*/) override { return NO_ERROR; }
status_t captureScreen(const sp<IBinder>& /*display*/, sp<GraphicBuffer>* /*outBuffer*/,
+ bool& /* outCapturedSecureLayers */,
const ui::Dataspace /*reqDataspace*/,
const ui::PixelFormat /*reqPixelFormat*/, Rect /*sourceCrop*/,
uint32_t /*reqWidth*/, uint32_t /*reqHeight*/,
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp
index 35f11fc49..252ff0d61 100644
--- a/services/surfaceflinger/RegionSamplingThread.cpp
+++ b/services/surfaceflinger/RegionSamplingThread.cpp
@@ -392,7 +392,8 @@ void RegionSamplingThread::captureSample() {
//
// To avoid this, we drop the mutex while we call into SF.
mMutex.unlock();
- mFlinger.captureScreenCommon(renderArea, traverseLayers, buffer, false);
+ bool ignored;
+ mFlinger.captureScreenCommon(renderArea, traverseLayers, buffer, false, ignored);
mMutex.lock();
std::vector<Descriptor> activeDescriptors;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index fccd91079..e2a134b63 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -5369,7 +5369,8 @@ private:
};
status_t SurfaceFlinger::captureScreen(const sp<IBinder>& displayToken,
- sp<GraphicBuffer>* outBuffer, const Dataspace reqDataspace,
+ sp<GraphicBuffer>* outBuffer, bool& outCapturedSecureLayers,
+ const Dataspace reqDataspace,
const ui::PixelFormat reqPixelFormat, Rect sourceCrop,
uint32_t reqWidth, uint32_t reqHeight,
bool useIdentityTransform,
@@ -5402,7 +5403,7 @@ status_t SurfaceFlinger::captureScreen(const sp<IBinder>& displayToken,
auto traverseLayers = std::bind(&SurfaceFlinger::traverseLayersInDisplay, this, display,
std::placeholders::_1);
return captureScreenCommon(renderArea, traverseLayers, outBuffer, reqPixelFormat,
- useIdentityTransform);
+ useIdentityTransform, outCapturedSecureLayers);
}
status_t SurfaceFlinger::captureLayers(
@@ -5564,14 +5565,18 @@ status_t SurfaceFlinger::captureLayers(
visitor(layer);
});
};
- return captureScreenCommon(renderArea, traverseLayers, outBuffer, reqPixelFormat, false);
+
+ bool outCapturedSecureLayers = false;
+ return captureScreenCommon(renderArea, traverseLayers, outBuffer, reqPixelFormat, false,
+ outCapturedSecureLayers);
}
status_t SurfaceFlinger::captureScreenCommon(RenderArea& renderArea,
TraverseLayersFunction traverseLayers,
sp<GraphicBuffer>* outBuffer,
const ui::PixelFormat reqPixelFormat,
- bool useIdentityTransform) {
+ bool useIdentityTransform,
+ bool& outCapturedSecureLayers) {
ATRACE_CALL();
// TODO(b/116112787) Make buffer usage a parameter.
@@ -5582,13 +5587,15 @@ status_t SurfaceFlinger::captureScreenCommon(RenderArea& renderArea,
static_cast<android_pixel_format>(reqPixelFormat), 1,
usage, "screenshot");
- return captureScreenCommon(renderArea, traverseLayers, *outBuffer, useIdentityTransform);
+ return captureScreenCommon(renderArea, traverseLayers, *outBuffer, useIdentityTransform,
+ outCapturedSecureLayers);
}
status_t SurfaceFlinger::captureScreenCommon(RenderArea& renderArea,
TraverseLayersFunction traverseLayers,
const sp<GraphicBuffer>& buffer,
- bool useIdentityTransform) {
+ bool useIdentityTransform,
+ bool& outCapturedSecureLayers) {
// This mutex protects syncFd and captureResult for communication of the return values from the
// main thread back to this Binder thread
std::mutex captureMutex;
@@ -5617,7 +5624,8 @@ status_t SurfaceFlinger::captureScreenCommon(RenderArea& renderArea,
Mutex::Autolock _l(mStateLock);
renderArea.render([&] {
result = captureScreenImplLocked(renderArea, traverseLayers, buffer.get(),
- useIdentityTransform, forSystem, &fd);
+ useIdentityTransform, forSystem, &fd,
+ outCapturedSecureLayers);
});
}
@@ -5757,21 +5765,19 @@ void SurfaceFlinger::renderScreenImplLocked(const RenderArea& renderArea,
status_t SurfaceFlinger::captureScreenImplLocked(const RenderArea& renderArea,
TraverseLayersFunction traverseLayers,
ANativeWindowBuffer* buffer,
- bool useIdentityTransform,
- bool forSystem,
- int* outSyncFd) {
+ bool useIdentityTransform, bool forSystem,
+ int* outSyncFd, bool& outCapturedSecureLayers) {
ATRACE_CALL();
- bool secureLayerIsVisible = false;
-
traverseLayers([&](Layer* layer) {
- secureLayerIsVisible = secureLayerIsVisible || (layer->isVisible() && layer->isSecure());
+ outCapturedSecureLayers =
+ outCapturedSecureLayers || (layer->isVisible() && layer->isSecure());
});
// We allow the system server to take screenshots of secure layers for
// use in situations like the Screen-rotation animation and place
// the impetus on WindowManager to not persist them.
- if (secureLayerIsVisible && !forSystem) {
+ if (outCapturedSecureLayers && !forSystem) {
ALOGW("FB is protected: PERMISSION_DENIED");
return PERMISSION_DENIED;
}
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 7e8e836e6..7914afc5b 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -395,16 +395,17 @@ private:
sp<IDisplayEventConnection> createDisplayEventConnection(
ISurfaceComposer::VsyncSource vsyncSource = eVsyncSourceApp) override;
status_t captureScreen(const sp<IBinder>& displayToken, sp<GraphicBuffer>* outBuffer,
- const ui::Dataspace reqDataspace, const ui::PixelFormat reqPixelFormat,
- Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
- bool useIdentityTransform, ISurfaceComposer::Rotation rotation,
- bool captureSecureLayers) override;
+ bool& outCapturedSecureLayers, const ui::Dataspace reqDataspace,
+ const ui::PixelFormat reqPixelFormat, Rect sourceCrop,
+ uint32_t reqWidth, uint32_t reqHeight,
+ bool useIdentityTransform, ISurfaceComposer::Rotation rotation, bool captureSecureLayers) override;
status_t captureLayers(
const sp<IBinder>& parentHandle, sp<GraphicBuffer>* outBuffer,
const ui::Dataspace reqDataspace, const ui::PixelFormat reqPixelFormat,
const Rect& sourceCrop,
const std::unordered_set<sp<IBinder>, ISurfaceComposer::SpHash<IBinder>>& exclude,
float frameScale, bool childrenOnly) override;
+
status_t getDisplayStats(const sp<IBinder>& displayToken, DisplayStatInfo* stats) override;
status_t getDisplayConfigs(const sp<IBinder>& displayToken,
Vector<DisplayInfo>* configs) override {
@@ -640,13 +641,14 @@ private:
int* outSyncFd);
status_t captureScreenCommon(RenderArea& renderArea, TraverseLayersFunction traverseLayers,
sp<GraphicBuffer>* outBuffer, const ui::PixelFormat reqPixelFormat,
- bool useIdentityTransform);
+ bool useIdentityTransform, bool& outCapturedSecureLayers);
status_t captureScreenCommon(RenderArea& renderArea, TraverseLayersFunction traverseLayers,
- const sp<GraphicBuffer>& buffer, bool useIdentityTransform);
+ const sp<GraphicBuffer>& buffer, bool useIdentityTransform,
+ bool& outCapturedSecureLayers);
status_t captureScreenImplLocked(const RenderArea& renderArea,
TraverseLayersFunction traverseLayers,
ANativeWindowBuffer* buffer, bool useIdentityTransform,
- bool forSystem, int* outSyncFd);
+ bool forSystem, int* outSyncFd, bool& outCapturedSecureLayers);
void traverseLayersInDisplay(const sp<const DisplayDevice>& display,
const LayerVector::Visitor& visitor);
diff --git a/services/surfaceflinger/tests/Transaction_test.cpp b/services/surfaceflinger/tests/Transaction_test.cpp
index ba854e3f2..d03c25df7 100644
--- a/services/surfaceflinger/tests/Transaction_test.cpp
+++ b/services/surfaceflinger/tests/Transaction_test.cpp
@@ -1269,11 +1269,12 @@ TEST_F(LayerTransactionTest, SetFlagsSecureEUidSystem) {
// Here we pass captureSecureLayers = true and since we are AID_SYSTEM we should be able
// to receive them...we are expected to take care with the results.
+ bool outCapturedSecureLayers;
ASSERT_EQ(NO_ERROR,
- composer->captureScreen(mDisplay, &outBuffer,
- ui::Dataspace::V0_SRGB, ui::PixelFormat::RGBA_8888,
- Rect(), 0, 0, false,
- ISurfaceComposer::eRotateNone, true));
+ composer->captureScreen(mDisplay, &outBuffer, outCapturedSecureLayers,
+ ui::Dataspace::V0_SRGB, ui::PixelFormat::RGBA_8888, Rect(), 0,
+ 0, false, ISurfaceComposer::eRotateNone, true));
+ ASSERT_EQ(true, outCapturedSecureLayers);
ScreenCapture sc(outBuffer);
sc.expectColor(Rect(0, 0, 32, 32), Color::RED);
}
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 81235ba26..6bbcae3a9 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -276,12 +276,13 @@ public:
auto onMessageReceived(int32_t what) { return mFlinger->onMessageReceived(what); }
- auto captureScreenImplLocked(const RenderArea& renderArea,
- SurfaceFlinger::TraverseLayersFunction traverseLayers,
- ANativeWindowBuffer* buffer, bool useIdentityTransform,
- bool forSystem, int* outSyncFd) {
+ auto captureScreenImplLocked(
+ const RenderArea& renderArea, SurfaceFlinger::TraverseLayersFunction traverseLayers,
+ ANativeWindowBuffer* buffer, bool useIdentityTransform, bool forSystem, int* outSyncFd) {
+ bool ignored;
return mFlinger->captureScreenImplLocked(renderArea, traverseLayers, buffer,
- useIdentityTransform, forSystem, outSyncFd);
+ useIdentityTransform, forSystem, outSyncFd,
+ ignored);
}
auto traverseLayersInDisplay(const sp<const DisplayDevice>& display,
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-05 23:21:35 +0000