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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#include "FrontEnd/LayerCreationArgs.h"
#include "FrontEnd/LayerSnapshot.h"
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#pragma clang diagnostic ignored "-Wextra"
#include "LayerProtoHelper.h"
namespace android {
using gui::WindowInfo;
namespace surfaceflinger {
void LayerProtoHelper::writePositionToProto(const float x, const float y,
std::function<PositionProto*()> getPositionProto) {
if (x != 0 || y != 0) {
// Use a lambda do avoid writing the object header when the object is empty
PositionProto* position = getPositionProto();
position->set_x(x);
position->set_y(y);
}
}
void LayerProtoHelper::writeSizeToProto(const uint32_t w, const uint32_t h,
std::function<SizeProto*()> getSizeProto) {
if (w != 0 || h != 0) {
// Use a lambda do avoid writing the object header when the object is empty
SizeProto* size = getSizeProto();
size->set_w(w);
size->set_h(h);
}
}
void LayerProtoHelper::writeToProto(const Region& region,
std::function<RegionProto*()> getRegionProto) {
if (region.isEmpty()) {
return;
}
writeToProto(region, getRegionProto());
}
void LayerProtoHelper::writeToProto(const Region& region, RegionProto* regionProto) {
if (region.isEmpty()) {
return;
}
Region::const_iterator head = region.begin();
Region::const_iterator const tail = region.end();
// Use a lambda do avoid writing the object header when the object is empty
while (head != tail) {
writeToProto(*head, regionProto->add_rect());
head++;
}
}
void LayerProtoHelper::readFromProto(const RegionProto& regionProto, Region& outRegion) {
for (int i = 0; i < regionProto.rect_size(); i++) {
Rect rect;
readFromProto(regionProto.rect(i), rect);
outRegion.orSelf(rect);
}
}
void LayerProtoHelper::writeToProto(const Rect& rect, std::function<RectProto*()> getRectProto) {
if (rect.left != 0 || rect.right != 0 || rect.top != 0 || rect.bottom != 0) {
// Use a lambda do avoid writing the object header when the object is empty
writeToProto(rect, getRectProto());
}
}
void LayerProtoHelper::writeToProto(const Rect& rect, RectProto* rectProto) {
rectProto->set_left(rect.left);
rectProto->set_top(rect.top);
rectProto->set_bottom(rect.bottom);
rectProto->set_right(rect.right);
}
void LayerProtoHelper::readFromProto(const RectProto& proto, Rect& outRect) {
outRect.left = proto.left();
outRect.top = proto.top();
outRect.bottom = proto.bottom();
outRect.right = proto.right();
}
void LayerProtoHelper::writeToProto(const FloatRect& rect,
std::function<FloatRectProto*()> getFloatRectProto) {
if (rect.left != 0 || rect.right != 0 || rect.top != 0 || rect.bottom != 0) {
// Use a lambda do avoid writing the object header when the object is empty
FloatRectProto* rectProto = getFloatRectProto();
rectProto->set_left(rect.left);
rectProto->set_top(rect.top);
rectProto->set_bottom(rect.bottom);
rectProto->set_right(rect.right);
}
}
void LayerProtoHelper::writeToProto(const half4 color, std::function<ColorProto*()> getColorProto) {
if (color.r != 0 || color.g != 0 || color.b != 0 || color.a != 0) {
// Use a lambda do avoid writing the object header when the object is empty
ColorProto* colorProto = getColorProto();
colorProto->set_r(color.r);
colorProto->set_g(color.g);
colorProto->set_b(color.b);
colorProto->set_a(color.a);
}
}
void LayerProtoHelper::writeToProtoDeprecated(const ui::Transform& transform,
TransformProto* transformProto) {
const uint32_t type = transform.getType() | (transform.getOrientation() << 8);
transformProto->set_type(type);
// Rotations that are 90/180/270 have their own type so the transform matrix can be
// reconstructed later. All other rotation have the type UKNOWN so we need to save the transform
// values in that case.
if (type & (ui::Transform::SCALE | ui::Transform::UNKNOWN)) {
transformProto->set_dsdx(transform[0][0]);
transformProto->set_dtdx(transform[0][1]);
transformProto->set_dsdy(transform[1][0]);
transformProto->set_dtdy(transform[1][1]);
}
}
void LayerProtoHelper::writeTransformToProto(const ui::Transform& transform,
TransformProto* transformProto) {
const uint32_t type = transform.getType() | (transform.getOrientation() << 8);
transformProto->set_type(type);
// Rotations that are 90/180/270 have their own type so the transform matrix can be
// reconstructed later. All other rotation have the type UNKNOWN so we need to save the
// transform values in that case.
if (type & (ui::Transform::SCALE | ui::Transform::UNKNOWN)) {
transformProto->set_dsdx(transform.dsdx());
transformProto->set_dtdx(transform.dtdx());
transformProto->set_dtdy(transform.dtdy());
transformProto->set_dsdy(transform.dsdy());
}
}
void LayerProtoHelper::writeToProto(const renderengine::ExternalTexture& buffer,
std::function<ActiveBufferProto*()> getActiveBufferProto) {
if (buffer.getWidth() != 0 || buffer.getHeight() != 0 || buffer.getUsage() != 0 ||
buffer.getPixelFormat() != 0) {
// Use a lambda do avoid writing the object header when the object is empty
ActiveBufferProto* activeBufferProto = getActiveBufferProto();
activeBufferProto->set_width(buffer.getWidth());
activeBufferProto->set_height(buffer.getHeight());
activeBufferProto->set_stride(buffer.getUsage());
activeBufferProto->set_format(buffer.getPixelFormat());
}
}
void LayerProtoHelper::writeToProto(
const WindowInfo& inputInfo, const wp<Layer>& touchableRegionBounds,
std::function<InputWindowInfoProto*()> getInputWindowInfoProto) {
if (inputInfo.token == nullptr) {
return;
}
InputWindowInfoProto* proto = getInputWindowInfoProto();
proto->set_layout_params_flags(inputInfo.layoutParamsFlags.get());
using U = std::underlying_type_t<WindowInfo::Type>;
// TODO(b/129481165): This static assert can be safely removed once conversion warnings
// are re-enabled.
static_assert(std::is_same_v<U, int32_t>);
proto->set_layout_params_type(static_cast<U>(inputInfo.layoutParamsType));
LayerProtoHelper::writeToProto({inputInfo.frameLeft, inputInfo.frameTop, inputInfo.frameRight,
inputInfo.frameBottom},
[&]() { return proto->mutable_frame(); });
LayerProtoHelper::writeToProto(inputInfo.touchableRegion,
[&]() { return proto->mutable_touchable_region(); });
proto->set_surface_inset(inputInfo.surfaceInset);
using InputConfig = gui::WindowInfo::InputConfig;
proto->set_visible(!inputInfo.inputConfig.test(InputConfig::NOT_VISIBLE));
proto->set_focusable(!inputInfo.inputConfig.test(InputConfig::NOT_FOCUSABLE));
proto->set_has_wallpaper(inputInfo.inputConfig.test(InputConfig::DUPLICATE_TOUCH_TO_WALLPAPER));
proto->set_global_scale_factor(inputInfo.globalScaleFactor);
LayerProtoHelper::writeToProtoDeprecated(inputInfo.transform, proto->mutable_transform());
proto->set_replace_touchable_region_with_crop(inputInfo.replaceTouchableRegionWithCrop);
auto cropLayer = touchableRegionBounds.promote();
if (cropLayer != nullptr) {
proto->set_crop_layer_id(cropLayer->sequence);
LayerProtoHelper::writeToProto(cropLayer->getScreenBounds(
false /* reduceTransparentRegion */),
[&]() { return proto->mutable_touchable_region_crop(); });
}
}
void LayerProtoHelper::writeToProto(const mat4 matrix, ColorTransformProto* colorTransformProto) {
for (int i = 0; i < mat4::ROW_SIZE; i++) {
for (int j = 0; j < mat4::COL_SIZE; j++) {
colorTransformProto->add_val(matrix[i][j]);
}
}
}
void LayerProtoHelper::readFromProto(const ColorTransformProto& colorTransformProto, mat4& matrix) {
for (int i = 0; i < mat4::ROW_SIZE; i++) {
for (int j = 0; j < mat4::COL_SIZE; j++) {
matrix[i][j] = colorTransformProto.val(i * mat4::COL_SIZE + j);
}
}
}
void LayerProtoHelper::writeToProto(const android::BlurRegion region, BlurRegion* proto) {
proto->set_blur_radius(region.blurRadius);
proto->set_corner_radius_tl(region.cornerRadiusTL);
proto->set_corner_radius_tr(region.cornerRadiusTR);
proto->set_corner_radius_bl(region.cornerRadiusBL);
proto->set_corner_radius_br(region.cornerRadiusBR);
proto->set_alpha(region.alpha);
proto->set_left(region.left);
proto->set_top(region.top);
proto->set_right(region.right);
proto->set_bottom(region.bottom);
}
void LayerProtoHelper::readFromProto(const BlurRegion& proto, android::BlurRegion& outRegion) {
outRegion.blurRadius = proto.blur_radius();
outRegion.cornerRadiusTL = proto.corner_radius_tl();
outRegion.cornerRadiusTR = proto.corner_radius_tr();
outRegion.cornerRadiusBL = proto.corner_radius_bl();
outRegion.cornerRadiusBR = proto.corner_radius_br();
outRegion.alpha = proto.alpha();
outRegion.left = proto.left();
outRegion.top = proto.top();
outRegion.right = proto.right();
outRegion.bottom = proto.bottom();
}
LayersProto LayerProtoFromSnapshotGenerator::generate(const frontend::LayerHierarchy& root) {
mLayersProto.clear_layers();
std::unordered_set<uint64_t> stackIdsToSkip;
if ((mTraceFlags & LayerTracing::TRACE_VIRTUAL_DISPLAYS) == 0) {
for (const auto& [layerStack, displayInfo] : mDisplayInfos) {
if (displayInfo.isVirtual) {
stackIdsToSkip.insert(layerStack.id);
}
}
}
frontend::LayerHierarchy::TraversalPath path = frontend::LayerHierarchy::TraversalPath::ROOT;
for (auto& [child, variant] : root.mChildren) {
if (variant != frontend::LayerHierarchy::Variant::Attached ||
stackIdsToSkip.find(child->getLayer()->layerStack.id) != stackIdsToSkip.end()) {
continue;
}
frontend::LayerHierarchy::ScopedAddToTraversalPath addChildToPath(path,
child->getLayer()->id,
variant);
LayerProtoFromSnapshotGenerator::writeHierarchyToProto(*child, path);
}
// fill in relative and parent info
for (int i = 0; i < mLayersProto.layers_size(); i++) {
auto layerProto = mLayersProto.mutable_layers()->Mutable(i);
auto it = mChildToRelativeParent.find(layerProto->id());
if (it == mChildToRelativeParent.end()) {
layerProto->set_z_order_relative_of(-1);
} else {
layerProto->set_z_order_relative_of(it->second);
}
it = mChildToParent.find(layerProto->id());
if (it == mChildToParent.end()) {
layerProto->set_parent(-1);
} else {
layerProto->set_parent(it->second);
}
}
mDefaultSnapshots.clear();
mChildToRelativeParent.clear();
return std::move(mLayersProto);
}
frontend::LayerSnapshot* LayerProtoFromSnapshotGenerator::getSnapshot(
frontend::LayerHierarchy::TraversalPath& path, const frontend::RequestedLayerState& layer) {
frontend::LayerSnapshot* snapshot = mSnapshotBuilder.getSnapshot(path);
if (snapshot) {
return snapshot;
} else {
mDefaultSnapshots[path] = frontend::LayerSnapshot(layer, path);
return &mDefaultSnapshots[path];
}
}
void LayerProtoFromSnapshotGenerator::writeHierarchyToProto(
const frontend::LayerHierarchy& root, frontend::LayerHierarchy::TraversalPath& path) {
using Variant = frontend::LayerHierarchy::Variant;
LayerProto* layerProto = mLayersProto.add_layers();
const frontend::RequestedLayerState& layer = *root.getLayer();
frontend::LayerSnapshot* snapshot = getSnapshot(path, layer);
LayerProtoHelper::writeSnapshotToProto(layerProto, layer, *snapshot, mTraceFlags);
for (const auto& [child, variant] : root.mChildren) {
frontend::LayerHierarchy::ScopedAddToTraversalPath addChildToPath(path,
child->getLayer()->id,
variant);
frontend::LayerSnapshot* childSnapshot = getSnapshot(path, layer);
if (variant == Variant::Attached || variant == Variant::Detached ||
variant == Variant::Mirror) {
mChildToParent[childSnapshot->uniqueSequence] = snapshot->uniqueSequence;
layerProto->add_children(childSnapshot->uniqueSequence);
} else if (variant == Variant::Relative) {
mChildToRelativeParent[childSnapshot->uniqueSequence] = snapshot->uniqueSequence;
layerProto->add_relatives(childSnapshot->uniqueSequence);
}
}
if (mTraceFlags & LayerTracing::TRACE_COMPOSITION) {
auto it = mLegacyLayers.find(layer.id);
if (it != mLegacyLayers.end()) {
it->second->writeCompositionStateToProto(layerProto, snapshot->outputFilter.layerStack);
}
}
for (const auto& [child, variant] : root.mChildren) {
// avoid visiting relative layers twice
if (variant == Variant::Detached) {
continue;
}
frontend::LayerHierarchy::ScopedAddToTraversalPath addChildToPath(path,
child->getLayer()->id,
variant);
writeHierarchyToProto(*child, path);
}
}
void LayerProtoHelper::writeSnapshotToProto(LayerProto* layerInfo,
const frontend::RequestedLayerState& requestedState,
const frontend::LayerSnapshot& snapshot,
uint32_t traceFlags) {
const ui::Transform transform = snapshot.geomLayerTransform;
auto buffer = requestedState.externalTexture;
if (buffer != nullptr) {
LayerProtoHelper::writeToProto(*buffer,
[&]() { return layerInfo->mutable_active_buffer(); });
LayerProtoHelper::writeToProtoDeprecated(ui::Transform(requestedState.bufferTransform),
layerInfo->mutable_buffer_transform());
}
layerInfo->set_invalidate(snapshot.contentDirty);
layerInfo->set_is_protected(snapshot.hasProtectedContent);
layerInfo->set_dataspace(dataspaceDetails(static_cast<android_dataspace>(snapshot.dataspace)));
layerInfo->set_curr_frame(requestedState.bufferData->frameNumber);
layerInfo->set_requested_corner_radius(requestedState.cornerRadius);
layerInfo->set_corner_radius(
(snapshot.roundedCorner.radius.x + snapshot.roundedCorner.radius.y) / 2.0);
layerInfo->set_background_blur_radius(snapshot.backgroundBlurRadius);
layerInfo->set_is_trusted_overlay(snapshot.isTrustedOverlay);
LayerProtoHelper::writeToProtoDeprecated(transform, layerInfo->mutable_transform());
LayerProtoHelper::writePositionToProto(transform.tx(), transform.ty(),
[&]() { return layerInfo->mutable_position(); });
LayerProtoHelper::writeToProto(snapshot.geomLayerBounds,
[&]() { return layerInfo->mutable_bounds(); });
LayerProtoHelper::writeToProto(snapshot.surfaceDamage,
[&]() { return layerInfo->mutable_damage_region(); });
if (requestedState.hasColorTransform) {
LayerProtoHelper::writeToProto(snapshot.colorTransform,
layerInfo->mutable_color_transform());
}
LayerProtoHelper::writeToProto(snapshot.croppedBufferSize.toFloatRect(),
[&]() { return layerInfo->mutable_source_bounds(); });
LayerProtoHelper::writeToProto(snapshot.transformedBounds,
[&]() { return layerInfo->mutable_screen_bounds(); });
LayerProtoHelper::writeToProto(snapshot.roundedCorner.cropRect,
[&]() { return layerInfo->mutable_corner_radius_crop(); });
layerInfo->set_shadow_radius(snapshot.shadowRadius);
layerInfo->set_id(snapshot.uniqueSequence);
layerInfo->set_original_id(snapshot.sequence);
if (!snapshot.path.isClone()) {
layerInfo->set_name(requestedState.name);
} else {
layerInfo->set_name(requestedState.name + "(Mirror)");
}
layerInfo->set_type("Layer");
LayerProtoHelper::writeToProto(requestedState.transparentRegion,
[&]() { return layerInfo->mutable_transparent_region(); });
layerInfo->set_layer_stack(snapshot.outputFilter.layerStack.id);
layerInfo->set_z(requestedState.z);
ui::Transform requestedTransform = requestedState.getTransform(0);
LayerProtoHelper::writePositionToProto(requestedTransform.tx(), requestedTransform.ty(), [&]() {
return layerInfo->mutable_requested_position();
});
LayerProtoHelper::writeToProto(requestedState.crop,
[&]() { return layerInfo->mutable_crop(); });
layerInfo->set_is_opaque(snapshot.contentOpaque);
if (requestedState.externalTexture)
layerInfo->set_pixel_format(
decodePixelFormat(requestedState.externalTexture->getPixelFormat()));
LayerProtoHelper::writeToProto(snapshot.color, [&]() { return layerInfo->mutable_color(); });
LayerProtoHelper::writeToProto(requestedState.color,
[&]() { return layerInfo->mutable_requested_color(); });
layerInfo->set_flags(requestedState.flags);
LayerProtoHelper::writeToProtoDeprecated(requestedTransform,
layerInfo->mutable_requested_transform());
layerInfo->set_is_relative_of(requestedState.isRelativeOf);
layerInfo->set_owner_uid(requestedState.ownerUid);
if ((traceFlags & LayerTracing::TRACE_INPUT) && snapshot.hasInputInfo()) {
LayerProtoHelper::writeToProto(snapshot.inputInfo, {},
[&]() { return layerInfo->mutable_input_window_info(); });
}
if (traceFlags & LayerTracing::TRACE_EXTRA) {
auto protoMap = layerInfo->mutable_metadata();
for (const auto& entry : requestedState.metadata.mMap) {
(*protoMap)[entry.first] = std::string(entry.second.cbegin(), entry.second.cend());
}
}
LayerProtoHelper::writeToProto(requestedState.destinationFrame,
[&]() { return layerInfo->mutable_destination_frame(); });
}
google::protobuf::RepeatedPtrField<DisplayProto> LayerProtoHelper::writeDisplayInfoToProto(
const display::DisplayMap<ui::LayerStack, frontend::DisplayInfo>& displayInfos) {
google::protobuf::RepeatedPtrField<DisplayProto> displays;
displays.Reserve(displayInfos.size());
for (const auto& [layerStack, displayInfo] : displayInfos) {
auto displayProto = displays.Add();
displayProto->set_id(displayInfo.info.displayId);
displayProto->set_layer_stack(layerStack.id);
displayProto->mutable_size()->set_w(displayInfo.info.logicalWidth);
displayProto->mutable_size()->set_h(displayInfo.info.logicalHeight);
writeTransformToProto(displayInfo.transform, displayProto->mutable_transform());
displayProto->set_is_virtual(displayInfo.isVirtual);
}
return displays;
}
} // namespace surfaceflinger
} // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion -Wextra"