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-rw-r--r--services/surfaceflinger/Layer.cpp240
1 files changed, 187 insertions, 53 deletions
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 3c40e12dad..316144c0d1 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -71,7 +71,6 @@
#include "SurfaceFlinger.h"
#include "TimeStats/TimeStats.h"
#include "TunnelModeEnabledReporter.h"
-#include "input/InputWindow.h"
#include "QtiGralloc.h"
#define DEBUG_RESIZE 0
@@ -85,6 +84,7 @@ constexpr int kDumpTableRowLength = 159;
using base::StringAppendF;
using namespace android::flag_operators;
using PresentState = frametimeline::SurfaceFrame::PresentState;
+using gui::WindowInfo;
std::atomic<int32_t> Layer::sSequence{1};
@@ -92,8 +92,8 @@ Layer::Layer(const LayerCreationArgs& args)
: mFlinger(args.flinger),
mName(args.name),
mClientRef(args.client),
- mWindowType(static_cast<InputWindowInfo::Type>(
- args.metadata.getInt32(METADATA_WINDOW_TYPE, 0))) {
+ mWindowType(
+ static_cast<WindowInfo::Type>(args.metadata.getInt32(METADATA_WINDOW_TYPE, 0))) {
uint32_t layerFlags = 0;
if (args.flags & ISurfaceComposerClient::eHidden) layerFlags |= layer_state_t::eLayerHidden;
if (args.flags & ISurfaceComposerClient::eOpaque) layerFlags |= layer_state_t::eLayerOpaque;
@@ -136,6 +136,8 @@ Layer::Layer(const LayerCreationArgs& args)
mDrawingState.frameTimelineInfo = {};
mDrawingState.postTime = -1;
mDrawingState.destinationFrame.makeInvalid();
+ mDrawingState.isTrustedOverlay = false;
+ mDrawingState.dropInputMode = gui::DropInputMode::NONE;
if (args.flags & ISurfaceComposerClient::eNoColorFill) {
// Set an invalid color so there is no color fill.
@@ -422,8 +424,6 @@ void Layer::prepareBasicGeometryCompositionState() {
compositionState->blendMode = static_cast<Hwc2::IComposerClient::BlendMode>(blendMode);
compositionState->alpha = alpha;
- compositionState->backgroundBlurRadius = drawingState.backgroundBlurRadius;
- compositionState->blurRegions = drawingState.blurRegions;
compositionState->stretchEffect = getStretchEffect();
}
@@ -504,6 +504,9 @@ void Layer::preparePerFrameCompositionState() {
compositionState->stretchEffect.hasEffect()) {
compositionState->forceClientComposition = true;
}
+ // If there are no visible region changes, we still need to update blur parameters.
+ compositionState->blurRegions = drawingState.blurRegions;
+ compositionState->backgroundBlurRadius = drawingState.backgroundBlurRadius;
}
void Layer::prepareCursorCompositionState() {
@@ -966,8 +969,11 @@ bool Layer::setCornerRadius(float cornerRadius) {
bool Layer::setBackgroundBlurRadius(int backgroundBlurRadius) {
if (mDrawingState.backgroundBlurRadius == backgroundBlurRadius) return false;
-
- mDrawingState.sequence++;
+ // If we start or stop drawing blur then the layer's visibility state may change so increment
+ // the magic sequence number.
+ if (mDrawingState.backgroundBlurRadius == 0 || backgroundBlurRadius == 0) {
+ mDrawingState.sequence++;
+ }
mDrawingState.backgroundBlurRadius = backgroundBlurRadius;
mDrawingState.modified = true;
setTransactionFlags(eTransactionNeeded);
@@ -1000,6 +1006,11 @@ bool Layer::setTransparentRegionHint(const Region& transparent) {
}
bool Layer::setBlurRegions(const std::vector<BlurRegion>& blurRegions) {
+ // If we start or stop drawing blur then the layer's visibility state may change so increment
+ // the magic sequence number.
+ if (mDrawingState.blurRegions.size() == 0 || blurRegions.size() == 0) {
+ mDrawingState.sequence++;
+ }
mDrawingState.blurRegions = blurRegions;
mDrawingState.modified = true;
setTransactionFlags(eTransactionNeeded);
@@ -1952,27 +1963,49 @@ const std::vector<BlurRegion> Layer::getBlurRegions() const {
}
Layer::RoundedCornerState Layer::getRoundedCornerState() const {
- const auto& p = mDrawingParent.promote();
- if (p != nullptr) {
- RoundedCornerState parentState = p->getRoundedCornerState();
- if (parentState.radius > 0) {
+ // Get parent settings
+ RoundedCornerState parentSettings;
+ const auto& parent = mDrawingParent.promote();
+ if (parent != nullptr) {
+ parentSettings = parent->getRoundedCornerState();
+ if (parentSettings.radius > 0) {
ui::Transform t = getActiveTransform(getDrawingState());
t = t.inverse();
- parentState.cropRect = t.transform(parentState.cropRect);
+ parentSettings.cropRect = t.transform(parentSettings.cropRect);
// The rounded corners shader only accepts 1 corner radius for performance reasons,
// but a transform matrix can define horizontal and vertical scales.
// Let's take the average between both of them and pass into the shader, practically we
// never do this type of transformation on windows anyway.
auto scaleX = sqrtf(t[0][0] * t[0][0] + t[0][1] * t[0][1]);
auto scaleY = sqrtf(t[1][0] * t[1][0] + t[1][1] * t[1][1]);
- parentState.radius *= (scaleX + scaleY) / 2.0f;
- return parentState;
+ parentSettings.radius *= (scaleX + scaleY) / 2.0f;
}
}
+
+ // Get layer settings
+ Rect layerCropRect = getCroppedBufferSize(getDrawingState());
const float radius = getDrawingState().cornerRadius;
- return radius > 0 && getCroppedBufferSize(getDrawingState()).isValid()
- ? RoundedCornerState(getCroppedBufferSize(getDrawingState()).toFloatRect(), radius)
- : RoundedCornerState();
+ RoundedCornerState layerSettings(layerCropRect.toFloatRect(), radius);
+ const bool layerSettingsValid = layerSettings.radius > 0 && layerCropRect.isValid();
+
+ if (layerSettingsValid && parentSettings.radius > 0) {
+ // If the parent and the layer have rounded corner settings, use the parent settings if the
+ // parent crop is entirely inside the layer crop.
+ // This has limitations and cause rendering artifacts. See b/200300845 for correct fix.
+ if (parentSettings.cropRect.left > layerCropRect.left &&
+ parentSettings.cropRect.top > layerCropRect.top &&
+ parentSettings.cropRect.right < layerCropRect.right &&
+ parentSettings.cropRect.bottom < layerCropRect.bottom) {
+ return parentSettings;
+ } else {
+ return layerSettings;
+ }
+ } else if (layerSettingsValid) {
+ return layerSettings;
+ } else if (parentSettings.radius > 0) {
+ return parentSettings;
+ }
+ return {};
}
void Layer::prepareShadowClientComposition(LayerFE::LayerSettings& caster,
@@ -2018,7 +2051,7 @@ void Layer::commitChildList() {
}
-void Layer::setInputInfo(const InputWindowInfo& info) {
+void Layer::setInputInfo(const WindowInfo& info) {
mDrawingState.inputInfo = info;
mDrawingState.touchableRegionCrop = fromHandle(info.touchableRegionCropHandle.promote());
mDrawingState.modified = true;
@@ -2057,8 +2090,8 @@ void Layer::writeToProtoDrawingState(LayerProto* layerInfo, uint32_t traceFlags,
if (buffer != nullptr) {
LayerProtoHelper::writeToProto(buffer,
[&]() { return layerInfo->mutable_active_buffer(); });
- LayerProtoHelper::writeToProto(ui::Transform(getBufferTransform()),
- layerInfo->mutable_buffer_transform());
+ LayerProtoHelper::writeToProtoDeprecated(ui::Transform(getBufferTransform()),
+ layerInfo->mutable_buffer_transform());
}
layerInfo->set_invalidate(contentDirty);
layerInfo->set_is_protected(isProtected());
@@ -2068,10 +2101,11 @@ void Layer::writeToProtoDrawingState(LayerProto* layerInfo, uint32_t traceFlags,
layerInfo->set_curr_frame(mCurrentFrameNumber);
layerInfo->set_effective_scaling_mode(getEffectiveScalingMode());
+ layerInfo->set_requested_corner_radius(getDrawingState().cornerRadius);
layerInfo->set_corner_radius(getRoundedCornerState().radius);
layerInfo->set_background_blur_radius(getBackgroundBlurRadius());
layerInfo->set_is_trusted_overlay(isTrustedOverlay());
- LayerProtoHelper::writeToProto(transform, layerInfo->mutable_transform());
+ LayerProtoHelper::writeToProtoDeprecated(transform, layerInfo->mutable_transform());
LayerProtoHelper::writePositionToProto(transform.tx(), transform.ty(),
[&]() { return layerInfo->mutable_position(); });
LayerProtoHelper::writeToProto(mBounds, [&]() { return layerInfo->mutable_bounds(); });
@@ -2146,8 +2180,8 @@ void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet
[&]() { return layerInfo->mutable_requested_color(); });
layerInfo->set_flags(state.flags);
- LayerProtoHelper::writeToProto(requestedTransform,
- layerInfo->mutable_requested_transform());
+ LayerProtoHelper::writeToProtoDeprecated(requestedTransform,
+ layerInfo->mutable_requested_transform());
auto parent = useDrawing ? mDrawingParent.promote() : mCurrentParent.promote();
if (parent != nullptr) {
@@ -2169,7 +2203,7 @@ void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet
}
if (traceFlags & SurfaceTracing::TRACE_INPUT) {
- InputWindowInfo info;
+ WindowInfo info;
if (useDrawing) {
info = fillInputInfo({nullptr});
} else {
@@ -2200,7 +2234,7 @@ Rect Layer::getInputBounds() const {
return getCroppedBufferSize(getDrawingState());
}
-void Layer::fillInputFrameInfo(InputWindowInfo& info, const ui::Transform& toPhysicalDisplay) {
+void Layer::fillInputFrameInfo(WindowInfo& info, const ui::Transform& toNonRotatedDisplay) {
// Transform layer size to screen space and inset it by surface insets.
// If this is a portal window, set the touchableRegion to the layerBounds.
Rect layerBounds = info.portalToDisplayId == ADISPLAY_ID_NONE
@@ -2217,16 +2251,18 @@ void Layer::fillInputFrameInfo(InputWindowInfo& info, const ui::Transform& toPhy
info.frameRight = 0;
info.frameBottom = 0;
info.transform.reset();
+ info.touchableRegion = Region();
+ info.flags = WindowInfo::Flag::NOT_TOUCH_MODAL | WindowInfo::Flag::NOT_FOCUSABLE;
return;
}
ui::Transform layerToDisplay = getInputTransform();
- // Transform that takes window coordinates to unrotated display coordinates
- ui::Transform t = toPhysicalDisplay * layerToDisplay;
+ // Transform that takes window coordinates to non-rotated display coordinates
+ ui::Transform t = toNonRotatedDisplay * layerToDisplay;
int32_t xSurfaceInset = info.surfaceInset;
int32_t ySurfaceInset = info.surfaceInset;
- // Bring screenBounds into unrotated space
- Rect screenBounds = toPhysicalDisplay.transform(Rect{mScreenBounds});
+ // Bring screenBounds into non-rotated space
+ Rect screenBounds = toNonRotatedDisplay.transform(Rect{mScreenBounds});
const float xScale = t.getScaleX();
const float yScale = t.getScaleY();
@@ -2295,7 +2331,7 @@ void Layer::fillInputFrameInfo(InputWindowInfo& info, const ui::Transform& toPhy
info.touchableRegion = inputTransform.transform(info.touchableRegion);
}
-void Layer::fillTouchOcclusionMode(InputWindowInfo& info) {
+void Layer::fillTouchOcclusionMode(WindowInfo& info) {
sp<Layer> p = this;
while (p != nullptr && !p->hasInputInfo()) {
p = p->mDrawingParent.promote();
@@ -2305,32 +2341,115 @@ void Layer::fillTouchOcclusionMode(InputWindowInfo& info) {
}
}
-InputWindowInfo Layer::fillInputInfo(const sp<DisplayDevice>& display) {
+gui::DropInputMode Layer::getDropInputMode() const {
+ gui::DropInputMode mode = mDrawingState.dropInputMode;
+ if (mode == gui::DropInputMode::ALL) {
+ return mode;
+ }
+ sp<Layer> parent = mDrawingParent.promote();
+ if (parent) {
+ gui::DropInputMode parentMode = parent->getDropInputMode();
+ if (parentMode != gui::DropInputMode::NONE) {
+ return parentMode;
+ }
+ }
+ return mode;
+}
+
+void Layer::handleDropInputMode(gui::WindowInfo& info) const {
+ if (mDrawingState.inputInfo.inputFeatures.test(WindowInfo::Feature::NO_INPUT_CHANNEL)) {
+ return;
+ }
+
+ // Check if we need to drop input unconditionally
+ gui::DropInputMode dropInputMode = getDropInputMode();
+ if (dropInputMode == gui::DropInputMode::ALL) {
+ info.inputFeatures |= WindowInfo::Feature::DROP_INPUT;
+ ALOGV("Dropping input for %s as requested by policy.", getDebugName());
+ return;
+ }
+
+ // Check if we need to check if the window is obscured by parent
+ if (dropInputMode != gui::DropInputMode::OBSCURED) {
+ return;
+ }
+
+ // Check if the parent has set an alpha on the layer
+ sp<Layer> parent = mDrawingParent.promote();
+ if (parent && parent->getAlpha() != 1.0_hf) {
+ info.inputFeatures |= WindowInfo::Feature::DROP_INPUT;
+ ALOGV("Dropping input for %s as requested by policy because alpha=%f", getDebugName(),
+ static_cast<float>(getAlpha()));
+ }
+
+ // Check if the parent has cropped the buffer
+ Rect bufferSize = getCroppedBufferSize(getDrawingState());
+ if (!bufferSize.isValid()) {
+ info.inputFeatures |= WindowInfo::Feature::DROP_INPUT_IF_OBSCURED;
+ return;
+ }
+
+ // Screenbounds are the layer bounds cropped by parents, transformed to screenspace.
+ // To check if the layer has been cropped, we take the buffer bounds, apply the local
+ // layer crop and apply the same set of transforms to move to screenspace. If the bounds
+ // match then the layer has not been cropped by its parents.
+ Rect bufferInScreenSpace(getTransform().transform(bufferSize));
+ bool croppedByParent = bufferInScreenSpace != Rect{mScreenBounds};
+
+ if (croppedByParent) {
+ info.inputFeatures |= WindowInfo::Feature::DROP_INPUT;
+ ALOGV("Dropping input for %s as requested by policy because buffer is cropped by parent",
+ getDebugName());
+ } else {
+ // If the layer is not obscured by its parents (by setting an alpha or crop), then only drop
+ // input if the window is obscured. This check should be done in surfaceflinger but the
+ // logic currently resides in inputflinger. So pass the if_obscured check to input to only
+ // drop input events if the window is obscured.
+ info.inputFeatures |= WindowInfo::Feature::DROP_INPUT_IF_OBSCURED;
+ }
+}
+
+WindowInfo Layer::fillInputInfo(const sp<DisplayDevice>& display) {
if (!hasInputInfo()) {
mDrawingState.inputInfo.name = getName();
mDrawingState.inputInfo.ownerUid = mOwnerUid;
mDrawingState.inputInfo.ownerPid = mOwnerPid;
- mDrawingState.inputInfo.inputFeatures = InputWindowInfo::Feature::NO_INPUT_CHANNEL;
- mDrawingState.inputInfo.flags = InputWindowInfo::Flag::NOT_TOUCH_MODAL;
+ mDrawingState.inputInfo.inputFeatures = WindowInfo::Feature::NO_INPUT_CHANNEL;
+ mDrawingState.inputInfo.flags = WindowInfo::Flag::NOT_TOUCH_MODAL;
mDrawingState.inputInfo.displayId = getLayerStack();
}
- InputWindowInfo info = mDrawingState.inputInfo;
+ WindowInfo info = mDrawingState.inputInfo;
info.id = sequence;
+ info.displayId = getLayerStack();
- if (info.displayId == ADISPLAY_ID_NONE) {
- info.displayId = getLayerStack();
- }
-
- // Transform that goes from "logical(rotated)" display to physical/unrotated display.
- // This is for when inputflinger operates in physical display-space.
- ui::Transform toPhysicalDisplay;
+ // Transform that goes from "logical(rotated)" display to the non-rotated display.
+ ui::Transform toNonRotatedDisplay;
if (display) {
- toPhysicalDisplay = display->getTransform();
- info.displayWidth = display->getWidth();
- info.displayHeight = display->getHeight();
+ // The physical orientation is set when the orientation of the display panel is different
+ // than the default orientation of the device. We do not need to expose the physical
+ // orientation of the panel outside of SurfaceFlinger.
+ const ui::Rotation inversePhysicalOrientation =
+ ui::ROTATION_0 - display->getPhysicalOrientation();
+ auto width = display->getWidth();
+ auto height = display->getHeight();
+ if (inversePhysicalOrientation == ui::ROTATION_90 ||
+ inversePhysicalOrientation == ui::ROTATION_270) {
+ std::swap(width, height);
+ }
+ const auto rotationFlags = ui::Transform::toRotationFlags(inversePhysicalOrientation);
+ const ui::Transform undoPhysicalOrientation(rotationFlags, width, height);
+ toNonRotatedDisplay = undoPhysicalOrientation * display->getTransform();
+
+ // Send the inverse of the display orientation so that input can transform points back to
+ // the rotated display space.
+ const ui::Rotation inverseOrientation = ui::ROTATION_0 - display->getOrientation();
+ info.displayOrientation = ui::Transform::toRotationFlags(inverseOrientation);
+
+ info.displayWidth = width;
+ info.displayHeight = height;
}
- fillInputFrameInfo(info, toPhysicalDisplay);
+ fillInputFrameInfo(info, toNonRotatedDisplay);
// For compatibility reasons we let layers which can receive input
// receive input before they have actually submitted a buffer. Because
@@ -2343,18 +2462,19 @@ InputWindowInfo Layer::fillInputInfo(const sp<DisplayDevice>& display) {
info.visible = hasInputInfo() ? canReceiveInput() : isVisible();
info.alpha = getAlpha();
fillTouchOcclusionMode(info);
+ handleDropInputMode(info);
auto cropLayer = mDrawingState.touchableRegionCrop.promote();
if (info.replaceTouchableRegionWithCrop) {
if (cropLayer == nullptr) {
- info.touchableRegion = Region(toPhysicalDisplay.transform(Rect{mScreenBounds}));
+ info.touchableRegion = Region(toNonRotatedDisplay.transform(Rect{mScreenBounds}));
} else {
info.touchableRegion =
- Region(toPhysicalDisplay.transform(Rect{cropLayer->mScreenBounds}));
+ Region(toNonRotatedDisplay.transform(Rect{cropLayer->mScreenBounds}));
}
} else if (cropLayer != nullptr) {
info.touchableRegion = info.touchableRegion.intersect(
- toPhysicalDisplay.transform(Rect{cropLayer->mScreenBounds}));
+ toNonRotatedDisplay.transform(Rect{cropLayer->mScreenBounds}));
}
// Inherit the trusted state from the parent hierarchy, but don't clobber the trusted state
@@ -2367,7 +2487,7 @@ InputWindowInfo Layer::fillInputInfo(const sp<DisplayDevice>& display) {
if (isClone()) {
sp<Layer> clonedRoot = getClonedRoot();
if (clonedRoot != nullptr) {
- Rect rect = toPhysicalDisplay.transform(Rect{clonedRoot->mScreenBounds});
+ Rect rect = toNonRotatedDisplay.transform(Rect{clonedRoot->mScreenBounds});
info.touchableRegion = info.touchableRegion.intersect(rect);
}
}
@@ -2405,8 +2525,7 @@ Region Layer::getVisibleRegion(const DisplayDevice* display) const {
}
void Layer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
- // copy drawing state from cloned layer
- mDrawingState = clonedFrom->mDrawingState;
+ cloneDrawingState(clonedFrom.get());
mClonedFrom = clonedFrom;
}
@@ -2441,7 +2560,7 @@ void Layer::updateClonedDrawingState(std::map<sp<Layer>, sp<Layer>>& clonedLayer
// since we may be able to pull out other children that are still alive.
if (isClonedFromAlive()) {
sp<Layer> clonedFrom = getClonedFrom();
- mDrawingState = clonedFrom->mDrawingState;
+ cloneDrawingState(clonedFrom.get());
clonedLayersMap.emplace(clonedFrom, this);
}
@@ -2494,7 +2613,7 @@ void Layer::updateClonedInputInfo(const std::map<sp<Layer>, sp<Layer>>& clonedLa
}
// Cloned layers shouldn't handle watch outside since their z order is not determined by
// WM or the client.
- mDrawingState.inputInfo.flags &= ~InputWindowInfo::Flag::WATCH_OUTSIDE_TOUCH;
+ mDrawingState.inputInfo.flags &= ~WindowInfo::Flag::WATCH_OUTSIDE_TOUCH;
}
void Layer::updateClonedRelatives(const std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
@@ -2600,6 +2719,21 @@ wp<Layer> Layer::fromHandle(const sp<IBinder>& handleBinder) {
return handle->owner;
}
+bool Layer::setDropInputMode(gui::DropInputMode mode) {
+ if (mDrawingState.dropInputMode == mode) {
+ return false;
+ }
+ mDrawingState.dropInputMode = mode;
+ return true;
+}
+
+void Layer::cloneDrawingState(const Layer* from) {
+ mDrawingState = from->mDrawingState;
+ // Skip callback info since they are not applicable for cloned layers.
+ mDrawingState.releaseBufferListener = nullptr;
+ mDrawingState.callbackHandles = {};
+}
+
// ---------------------------------------------------------------------------
std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate) {
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 09:11:37 +0000