Added protobuf to gather layer info.
Use protobuf to gather information about the layers. This change also
uses protobuf for the layer dumpsys.
Test: Ran dumpsys for layers to confirm the data was correct.
Change-Id: Iec474e57a4fb9de1e548440d6a08685505947278
diff --git a/services/surfaceflinger/layerproto/LayerProtoParser.cpp b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
new file mode 100644
index 0000000..6554167
--- /dev/null
+++ b/services/surfaceflinger/layerproto/LayerProtoParser.cpp
@@ -0,0 +1,223 @@
+/*
+ * 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.
+ */
+
+#include <layerproto/LayerProtoParser.h>
+
+namespace android {
+namespace surfaceflinger {
+bool sortLayers(const LayerProtoParser::Layer* lhs, const LayerProtoParser::Layer* rhs) {
+ uint32_t ls = lhs->layerStack;
+ uint32_t rs = rhs->layerStack;
+ if (ls != rs) return ls < rs;
+
+ uint32_t lz = lhs->z;
+ uint32_t rz = rhs->z;
+ if (lz != rz) return lz < rz;
+
+ return lhs->id < rhs->id;
+}
+
+std::vector<const LayerProtoParser::Layer*> LayerProtoParser::generateLayerTree(
+ const LayersProto& layersProto) {
+ auto layerMap = generateMap(layersProto);
+
+ std::vector<const Layer*> layers;
+ std::for_each(layerMap.begin(), layerMap.end(),
+ [&](const std::pair<const int32_t, Layer*>& ref) {
+ if (ref.second->parent == nullptr) {
+ // only save top level layers
+ layers.push_back(ref.second);
+ }
+ });
+
+ std::sort(layers.begin(), layers.end(), sortLayers);
+ return layers;
+}
+
+std::unordered_map<int32_t, LayerProtoParser::Layer*> LayerProtoParser::generateMap(
+ const LayersProto& layersProto) {
+ std::unordered_map<int32_t, Layer*> layerMap;
+
+ for (int i = 0; i < layersProto.layers_size(); i++) {
+ const LayerProto& layerProto = layersProto.layers(i);
+ layerMap[layerProto.id()] = generateLayer(layerProto);
+ }
+
+ for (int i = 0; i < layersProto.layers_size(); i++) {
+ const LayerProto& layerProto = layersProto.layers(i);
+ updateChildrenAndRelative(layerProto, layerMap);
+ }
+
+ return layerMap;
+}
+
+LayerProtoParser::Layer* LayerProtoParser::generateLayer(const LayerProto& layerProto) {
+ Layer* layer = new Layer();
+ layer->id = layerProto.id();
+ layer->name = layerProto.name();
+ layer->type = layerProto.type();
+ layer->transparentRegion = generateRegion(layerProto.transparent_region());
+ layer->visibleRegion = generateRegion(layerProto.visible_region());
+ layer->damageRegion = generateRegion(layerProto.damage_region());
+ layer->layerStack = layerProto.layer_stack();
+ layer->z = layerProto.z();
+ layer->position = {layerProto.position().x(), layerProto.position().y()};
+ layer->requestedPosition = {layerProto.requested_position().x(),
+ layerProto.requested_position().y()};
+ layer->size = {layerProto.size().w(), layerProto.size().h()};
+ layer->crop = generateRect(layerProto.crop());
+ layer->finalCrop = generateRect(layerProto.final_crop());
+ layer->isOpaque = layerProto.is_opaque();
+ layer->invalidate = layerProto.invalidate();
+ layer->dataspace = layerProto.dataspace();
+ layer->pixelFormat = layerProto.pixel_format();
+ layer->color = {layerProto.color().r(), layerProto.color().g(), layerProto.color().b(),
+ layerProto.color().a()};
+ layer->requestedColor = {layerProto.requested_color().r(), layerProto.requested_color().g(),
+ layerProto.requested_color().b(), layerProto.requested_color().a()};
+ layer->flags = layerProto.flags();
+ layer->transform = generateTransform(layerProto.transform());
+ layer->requestedTransform = generateTransform(layerProto.requested_transform());
+ layer->activeBuffer = generateActiveBuffer(layerProto.active_buffer());
+ layer->queuedFrames = layerProto.queued_frames();
+ layer->refreshPending = layerProto.refresh_pending();
+
+ return layer;
+}
+
+LayerProtoParser::Region LayerProtoParser::generateRegion(const RegionProto& regionProto) {
+ LayerProtoParser::Region region;
+ region.id = regionProto.id();
+ for (int i = 0; i < regionProto.rect_size(); i++) {
+ const RectProto& rectProto = regionProto.rect(i);
+ region.rects.push_back(generateRect(rectProto));
+ }
+
+ return region;
+}
+
+LayerProtoParser::Rect LayerProtoParser::generateRect(const RectProto& rectProto) {
+ LayerProtoParser::Rect rect;
+ rect.left = rectProto.left();
+ rect.top = rectProto.top();
+ rect.right = rectProto.right();
+ rect.bottom = rectProto.bottom();
+
+ return rect;
+}
+
+LayerProtoParser::Transform LayerProtoParser::generateTransform(
+ const TransformProto& transformProto) {
+ LayerProtoParser::Transform transform;
+ transform.dsdx = transformProto.dsdx();
+ transform.dtdx = transformProto.dtdx();
+ transform.dsdy = transformProto.dsdy();
+ transform.dtdy = transformProto.dtdy();
+
+ return transform;
+}
+
+LayerProtoParser::ActiveBuffer LayerProtoParser::generateActiveBuffer(
+ const ActiveBufferProto& activeBufferProto) {
+ LayerProtoParser::ActiveBuffer activeBuffer;
+ activeBuffer.width = activeBufferProto.width();
+ activeBuffer.height = activeBufferProto.height();
+ activeBuffer.stride = activeBufferProto.stride();
+ activeBuffer.format = activeBufferProto.format();
+
+ return activeBuffer;
+}
+
+void LayerProtoParser::updateChildrenAndRelative(const LayerProto& layerProto,
+ std::unordered_map<int32_t, Layer*>& layerMap) {
+ auto currLayer = layerMap[layerProto.id()];
+
+ for (int i = 0; i < layerProto.children_size(); i++) {
+ if (layerMap.count(layerProto.children(i)) > 0) {
+ auto childLayer = layerMap[layerProto.children(i)];
+ currLayer->children.push_back(childLayer);
+ }
+ }
+
+ for (int i = 0; i < layerProto.relatives_size(); i++) {
+ if (layerMap.count(layerProto.relatives(i)) > 0) {
+ auto relativeLayer = layerMap[layerProto.relatives(i)];
+ currLayer->relatives.push_back(relativeLayer);
+ }
+ }
+
+ if (layerProto.has_parent()) {
+ if (layerMap.count(layerProto.parent()) > 0) {
+ auto parentLayer = layerMap[layerProto.parent()];
+ currLayer->parent = parentLayer;
+ }
+ }
+
+ if (layerProto.has_z_order_relative_of()) {
+ if (layerMap.count(layerProto.z_order_relative_of()) > 0) {
+ auto relativeLayer = layerMap[layerProto.z_order_relative_of()];
+ currLayer->zOrderRelativeOf = relativeLayer;
+ }
+ }
+}
+
+std::string LayerProtoParser::layersToString(
+ const std::vector<const LayerProtoParser::Layer*> layers) {
+ std::string result;
+ for (const LayerProtoParser::Layer* layer : layers) {
+ if (layer->zOrderRelativeOf != nullptr) {
+ continue;
+ }
+ result.append(layerToString(layer).c_str());
+ }
+
+ return result;
+}
+
+std::string LayerProtoParser::layerToString(const LayerProtoParser::Layer* layer) {
+ std::string result;
+
+ std::vector<const Layer*> traverse(layer->relatives);
+ for (const LayerProtoParser::Layer* child : layer->children) {
+ if (child->zOrderRelativeOf != nullptr) {
+ continue;
+ }
+
+ traverse.push_back(child);
+ }
+
+ std::sort(traverse.begin(), traverse.end(), sortLayers);
+
+ size_t i = 0;
+ for (; i < traverse.size(); i++) {
+ const auto& relative = traverse[i];
+ if (relative->z >= 0) {
+ break;
+ }
+ result.append(layerToString(relative).c_str());
+ }
+ result.append(layer->to_string().c_str());
+ result.append("\n");
+ for (; i < traverse.size(); i++) {
+ const auto& relative = traverse[i];
+ result.append(layerToString(relative).c_str());
+ }
+
+ return result;
+}
+
+} // namespace surfaceflinger
+} // namespace android