Remove flag single_hop_screenshots
Flag has been rolled out for several months and is safe to
remove along with any legacy methods and dead code.
Bug: b/351894825
Test: atest SurfaceFlinger_test
Flag: EXEMPT flag removal
Change-Id: Id6fdfc534a0bff6ff9dfb8727c08ff821bc4965a
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp
index 08f831c..21d3396 100644
--- a/services/surfaceflinger/RegionSamplingThread.cpp
+++ b/services/surfaceflinger/RegionSamplingThread.cpp
@@ -353,21 +353,13 @@
sampledBounds.getSize(), ui::Dataspace::V0_SRGB, displayWeak,
RenderArea::Options::CAPTURE_SECURE_LAYERS);
- FenceResult fenceResult;
- if (FlagManager::getInstance().single_hop_screenshot()) {
- std::vector<std::pair<Layer*, sp<LayerFE>>> layers;
- auto displayState =
- mFlinger.getSnapshotsFromMainThread(renderAreaBuilder, getLayerSnapshotsFn, layers);
- fenceResult = mFlinger.captureScreenshot(renderAreaBuilder, buffer, kRegionSampling,
- kGrayscale, kIsProtected, kAttachGainmap, nullptr,
- displayState, layers)
- .get();
- } else {
- fenceResult = mFlinger.captureScreenshotLegacy(renderAreaBuilder, getLayerSnapshotsFn,
- buffer, kRegionSampling, kGrayscale,
- kIsProtected, kAttachGainmap, nullptr)
- .get();
- }
+ std::vector<std::pair<Layer*, sp<LayerFE>>> layers;
+ auto displayState =
+ mFlinger.getSnapshotsFromMainThread(renderAreaBuilder, getLayerSnapshotsFn, layers);
+ FenceResult fenceResult =
+ mFlinger.captureScreenshot(renderAreaBuilder, buffer, kRegionSampling, kGrayscale,
+ kIsProtected, kAttachGainmap, nullptr, displayState, layers)
+ .get();
if (fenceResult.ok()) {
fenceResult.value()->waitForever(LOG_TAG);
}
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 34798e1..d1d5eb5 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -7212,79 +7212,41 @@
return;
}
- if (FlagManager::getInstance().single_hop_screenshot()) {
- std::vector<std::pair<Layer*, sp<LayerFE>>> layers;
- auto displayState =
- getSnapshotsFromMainThread(renderAreaBuilder, getLayerSnapshotsFn, layers);
+ std::vector<std::pair<Layer*, sp<LayerFE>>> layers;
+ auto displayState = getSnapshotsFromMainThread(renderAreaBuilder, getLayerSnapshotsFn, layers);
- const bool supportsProtected = getRenderEngine().supportsProtectedContent();
- bool hasProtectedLayer = false;
- if (allowProtected && supportsProtected) {
- hasProtectedLayer = layersHasProtectedLayer(layers);
- }
- const bool isProtected = hasProtectedLayer && allowProtected && supportsProtected;
- const uint32_t usage = GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_RENDER |
- GRALLOC_USAGE_HW_TEXTURE |
- (isProtected ? GRALLOC_USAGE_PROTECTED
- : GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
- sp<GraphicBuffer> buffer =
- getFactory().createGraphicBuffer(bufferSize.getWidth(), bufferSize.getHeight(),
- static_cast<android_pixel_format>(reqPixelFormat),
- 1 /* layerCount */, usage, "screenshot");
-
- const status_t bufferStatus = buffer->initCheck();
- if (bufferStatus != OK) {
- // Animations may end up being really janky, but don't crash here.
- // Otherwise an irreponsible process may cause an SF crash by allocating
- // too much.
- ALOGE("%s: Buffer failed to allocate: %d", __func__, bufferStatus);
- invokeScreenCaptureError(bufferStatus, captureListener);
- return;
- }
- const std::shared_ptr<renderengine::ExternalTexture> texture = std::make_shared<
- renderengine::impl::ExternalTexture>(buffer, getRenderEngine(),
- renderengine::impl::ExternalTexture::Usage::
- WRITEABLE);
- auto futureFence = captureScreenshot(renderAreaBuilder, texture, false /* regionSampling */,
- grayscale, isProtected, attachGainmap, captureListener,
- displayState, layers);
- futureFence.get();
-
- } else {
- const bool supportsProtected = getRenderEngine().supportsProtectedContent();
- bool hasProtectedLayer = false;
- if (allowProtected && supportsProtected) {
- auto layers = mScheduler->schedule([=]() { return getLayerSnapshotsFn(); }).get();
- hasProtectedLayer = layersHasProtectedLayer(layers);
- }
- const bool isProtected = hasProtectedLayer && allowProtected && supportsProtected;
- const uint32_t usage = GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_RENDER |
- GRALLOC_USAGE_HW_TEXTURE |
- (isProtected ? GRALLOC_USAGE_PROTECTED
- : GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
- sp<GraphicBuffer> buffer =
- getFactory().createGraphicBuffer(bufferSize.getWidth(), bufferSize.getHeight(),
- static_cast<android_pixel_format>(reqPixelFormat),
- 1 /* layerCount */, usage, "screenshot");
-
- const status_t bufferStatus = buffer->initCheck();
- if (bufferStatus != OK) {
- // Animations may end up being really janky, but don't crash here.
- // Otherwise an irreponsible process may cause an SF crash by allocating
- // too much.
- ALOGE("%s: Buffer failed to allocate: %d", __func__, bufferStatus);
- invokeScreenCaptureError(bufferStatus, captureListener);
- return;
- }
- const std::shared_ptr<renderengine::ExternalTexture> texture = std::make_shared<
- renderengine::impl::ExternalTexture>(buffer, getRenderEngine(),
- renderengine::impl::ExternalTexture::Usage::
- WRITEABLE);
- auto futureFence = captureScreenshotLegacy(renderAreaBuilder, getLayerSnapshotsFn, texture,
- false /* regionSampling */, grayscale,
- isProtected, attachGainmap, captureListener);
- futureFence.get();
+ const bool supportsProtected = getRenderEngine().supportsProtectedContent();
+ bool hasProtectedLayer = false;
+ if (allowProtected && supportsProtected) {
+ hasProtectedLayer = layersHasProtectedLayer(layers);
}
+ const bool isProtected = hasProtectedLayer && allowProtected && supportsProtected;
+ const uint32_t usage = GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_RENDER |
+ GRALLOC_USAGE_HW_TEXTURE |
+ (isProtected ? GRALLOC_USAGE_PROTECTED
+ : GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
+ sp<GraphicBuffer> buffer =
+ getFactory().createGraphicBuffer(bufferSize.getWidth(), bufferSize.getHeight(),
+ static_cast<android_pixel_format>(reqPixelFormat),
+ 1 /* layerCount */, usage, "screenshot");
+
+ const status_t bufferStatus = buffer->initCheck();
+ if (bufferStatus != OK) {
+ // Animations may end up being really janky, but don't crash here.
+ // Otherwise an irreponsible process may cause an SF crash by allocating
+ // too much.
+ ALOGE("%s: Buffer failed to allocate: %d", __func__, bufferStatus);
+ invokeScreenCaptureError(bufferStatus, captureListener);
+ return;
+ }
+ const std::shared_ptr<renderengine::ExternalTexture> texture = std::make_shared<
+ renderengine::impl::ExternalTexture>(buffer, getRenderEngine(),
+ renderengine::impl::ExternalTexture::Usage::
+ WRITEABLE);
+ auto futureFence =
+ captureScreenshot(renderAreaBuilder, texture, false /* regionSampling */, grayscale,
+ isProtected, attachGainmap, captureListener, displayState, layers);
+ futureFence.get();
}
std::optional<SurfaceFlinger::OutputCompositionState>
@@ -7350,7 +7312,7 @@
ftl::SharedFuture<FenceResult> renderFuture =
renderScreenImpl(renderArea.get(), buffer, regionSampling, grayscale, isProtected,
- attachGainmap, captureResults, displayState, layers);
+ captureResults, displayState, layers);
if (captureResults.capturedHdrLayers && attachGainmap &&
FlagManager::getInstance().true_hdr_screenshots()) {
@@ -7385,8 +7347,7 @@
ScreenCaptureResults unusedResults;
ftl::SharedFuture<FenceResult> hdrRenderFuture =
renderScreenImpl(renderArea.get(), hdrTexture, regionSampling, grayscale,
- isProtected, attachGainmap, unusedResults, displayState,
- layers);
+ isProtected, unusedResults, displayState, layers);
renderFuture =
ftl::Future(std::move(renderFuture))
@@ -7432,67 +7393,10 @@
return renderFuture;
}
-ftl::SharedFuture<FenceResult> SurfaceFlinger::captureScreenshotLegacy(
- RenderAreaBuilderVariant renderAreaBuilder, GetLayerSnapshotsFunction getLayerSnapshotsFn,
- const std::shared_ptr<renderengine::ExternalTexture>& buffer, bool regionSampling,
- bool grayscale, bool isProtected, bool attachGainmap,
- const sp<IScreenCaptureListener>& captureListener) {
- SFTRACE_CALL();
-
- auto takeScreenshotFn = [=, this, renderAreaBuilder = std::move(renderAreaBuilder)]() REQUIRES(
- kMainThreadContext) mutable -> ftl::SharedFuture<FenceResult> {
- auto layers = getLayerSnapshotsFn();
- auto displayState = getDisplayStateFromRenderAreaBuilder(renderAreaBuilder);
-
- ScreenCaptureResults captureResults;
- std::unique_ptr<const RenderArea> renderArea =
- std::visit([](auto&& arg) -> std::unique_ptr<RenderArea> { return arg.build(); },
- renderAreaBuilder);
-
- if (!renderArea) {
- ALOGW("Skipping screen capture because of invalid render area.");
- if (captureListener) {
- captureResults.fenceResult = base::unexpected(NO_MEMORY);
- captureListener->onScreenCaptureCompleted(captureResults);
- }
- return ftl::yield<FenceResult>(base::unexpected(NO_ERROR)).share();
- }
-
- ftl::SharedFuture<FenceResult> renderFuture =
- renderScreenImpl(renderArea.get(), buffer, regionSampling, grayscale, isProtected,
- attachGainmap, captureResults, displayState, layers);
-
- if (captureListener) {
- // Defer blocking on renderFuture back to the Binder thread.
- return ftl::Future(std::move(renderFuture))
- .then([captureListener, captureResults = std::move(captureResults)](
- FenceResult fenceResult) mutable -> FenceResult {
- captureResults.fenceResult = std::move(fenceResult);
- captureListener->onScreenCaptureCompleted(captureResults);
- return base::unexpected(NO_ERROR);
- })
- .share();
- }
- return renderFuture;
- };
-
- // TODO(b/294936197): Run takeScreenshotsFn() in a binder thread to reduce the number
- // of calls on the main thread.
- auto future =
- mScheduler->schedule(FTL_FAKE_GUARD(kMainThreadContext, std::move(takeScreenshotFn)));
-
- // Flatten nested futures.
- auto chain = ftl::Future(std::move(future)).then([](ftl::SharedFuture<FenceResult> future) {
- return future;
- });
-
- return chain.share();
-}
-
ftl::SharedFuture<FenceResult> SurfaceFlinger::renderScreenImpl(
const RenderArea* renderArea, const std::shared_ptr<renderengine::ExternalTexture>& buffer,
- bool regionSampling, bool grayscale, bool isProtected, bool attachGainmap,
- ScreenCaptureResults& captureResults, std::optional<OutputCompositionState>& displayState,
+ bool regionSampling, bool grayscale, bool isProtected, ScreenCaptureResults& captureResults,
+ std::optional<OutputCompositionState>& displayState,
std::vector<std::pair<Layer*, sp<LayerFE>>>& layers) {
SFTRACE_CALL();
@@ -7638,15 +7542,9 @@
//
// TODO(b/196334700) Once we use RenderEngineThreaded everywhere we can always defer the call
// to CompositionEngine::present.
- ftl::SharedFuture<FenceResult> presentFuture;
- if (FlagManager::getInstance().single_hop_screenshot()) {
- presentFuture = mRenderEngine->isThreaded()
- ? ftl::yield(present()).share()
- : mScheduler->schedule(std::move(present)).share();
- } else {
- presentFuture = mRenderEngine->isThreaded() ? ftl::defer(std::move(present)).share()
- : ftl::yield(present()).share();
- }
+ ftl::SharedFuture<FenceResult> presentFuture = mRenderEngine->isThreaded()
+ ? ftl::yield(present()).share()
+ : mScheduler->schedule(std::move(present)).share();
return presentFuture;
}
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 114a09b..ad3106c 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -875,16 +875,10 @@
std::optional<OutputCompositionState>& displayState,
std::vector<std::pair<Layer*, sp<LayerFE>>>& layers);
- ftl::SharedFuture<FenceResult> captureScreenshotLegacy(
- RenderAreaBuilderVariant, GetLayerSnapshotsFunction,
- const std::shared_ptr<renderengine::ExternalTexture>&, bool regionSampling,
- bool grayscale, bool isProtected, bool attachGainmap,
- const sp<IScreenCaptureListener>&);
-
ftl::SharedFuture<FenceResult> renderScreenImpl(
const RenderArea*, const std::shared_ptr<renderengine::ExternalTexture>&,
- bool regionSampling, bool grayscale, bool isProtected, bool attachGainmap,
- ScreenCaptureResults&, std::optional<OutputCompositionState>& displayState,
+ bool regionSampling, bool grayscale, bool isProtected, ScreenCaptureResults&,
+ std::optional<OutputCompositionState>& displayState,
std::vector<std::pair<Layer*, sp<LayerFE>>>& layers);
void readPersistentProperties();
diff --git a/services/surfaceflinger/common/FlagManager.cpp b/services/surfaceflinger/common/FlagManager.cpp
index 658bca6..feeafcc 100644
--- a/services/surfaceflinger/common/FlagManager.cpp
+++ b/services/surfaceflinger/common/FlagManager.cpp
@@ -153,7 +153,6 @@
DUMP_READ_ONLY_FLAG(override_trusted_overlay);
DUMP_READ_ONLY_FLAG(flush_buffer_slots_to_uncache);
DUMP_READ_ONLY_FLAG(force_compile_graphite_renderengine);
- DUMP_READ_ONLY_FLAG(single_hop_screenshot);
DUMP_READ_ONLY_FLAG(trace_frame_rate_override);
DUMP_READ_ONLY_FLAG(true_hdr_screenshots);
DUMP_READ_ONLY_FLAG(display_config_error_hal);
@@ -259,7 +258,6 @@
FLAG_MANAGER_READ_ONLY_FLAG(override_trusted_overlay, "");
FLAG_MANAGER_READ_ONLY_FLAG(flush_buffer_slots_to_uncache, "");
FLAG_MANAGER_READ_ONLY_FLAG(force_compile_graphite_renderengine, "");
-FLAG_MANAGER_READ_ONLY_FLAG(single_hop_screenshot, "");
FLAG_MANAGER_READ_ONLY_FLAG(true_hdr_screenshots, "debug.sf.true_hdr_screenshots");
FLAG_MANAGER_READ_ONLY_FLAG(display_config_error_hal, "");
diff --git a/services/surfaceflinger/common/include/common/FlagManager.h b/services/surfaceflinger/common/include/common/FlagManager.h
index 4f34718..e4305d3 100644
--- a/services/surfaceflinger/common/include/common/FlagManager.h
+++ b/services/surfaceflinger/common/include/common/FlagManager.h
@@ -91,7 +91,6 @@
bool override_trusted_overlay() const;
bool flush_buffer_slots_to_uncache() const;
bool force_compile_graphite_renderengine() const;
- bool single_hop_screenshot() const;
bool trace_frame_rate_override() const;
bool true_hdr_screenshots() const;
bool display_config_error_hal() const;
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 81b929b..6778af3 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -475,8 +475,7 @@
return mFlinger->renderScreenImpl(renderArea.get(), buffer, regionSampling,
false /* grayscale */, false /* isProtected */,
- false /* attachGainmap */, captureResults, displayState,
- layers);
+ captureResults, displayState, layers);
}
auto getLayerSnapshotsForScreenshotsFn(ui::LayerStack layerStack, uint32_t uid) {