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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.
*/
#include <android-base/stringprintf.h>
#include <layerproto/LayerProtoParser.h>
#include <ui/DebugUtils.h>
using android::base::StringAppendF;
using android::base::StringPrintf;
namespace android {
namespace surfaceflinger {
bool sortLayers(LayerProtoParser::Layer* lhs, const LayerProtoParser::Layer* rhs) {
uint32_t ls = lhs->layerStack;
uint32_t rs = rhs->layerStack;
if (ls != rs) return ls < rs;
int32_t lz = lhs->z;
int32_t rz = rhs->z;
if (lz != rz) {
return lz < rz;
}
return lhs->id < rhs->id;
}
LayerProtoParser::LayerTree LayerProtoParser::generateLayerTree(const LayersProto& layersProto) {
LayerTree layerTree;
layerTree.allLayers = generateLayerList(layersProto);
// find and sort the top-level layers
for (Layer& layer : layerTree.allLayers) {
if (layer.parent == nullptr) {
layerTree.topLevelLayers.push_back(&layer);
}
}
std::sort(layerTree.topLevelLayers.begin(), layerTree.topLevelLayers.end(), sortLayers);
return layerTree;
}
std::vector<LayerProtoParser::Layer> LayerProtoParser::generateLayerList(
const LayersProto& layersProto) {
std::vector<Layer> layerList;
std::unordered_map<int32_t, Layer*> layerMap;
// build the layer list and the layer map
layerList.reserve(layersProto.layers_size());
layerMap.reserve(layersProto.layers_size());
for (int i = 0; i < layersProto.layers_size(); i++) {
layerList.emplace_back(generateLayer(layersProto.layers(i)));
// this works because layerList never changes capacity
layerMap[layerList.back().id] = &layerList.back();
}
// fix up children and relatives
for (int i = 0; i < layersProto.layers_size(); i++) {
updateChildrenAndRelative(layersProto.layers(i), layerMap);
}
return layerList;
}
LayerProtoParser::Layer LayerProtoParser::generateLayer(const LayerProto& layerProto) {
Layer 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.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.bufferTransform = generateTransform(layerProto.buffer_transform());
layer.queuedFrames = layerProto.queued_frames();
layer.refreshPending = layerProto.refresh_pending();
layer.isProtected = layerProto.is_protected();
layer.cornerRadius = layerProto.corner_radius();
layer.backgroundBlurRadius = layerProto.background_blur_radius();
for (const auto& entry : layerProto.metadata()) {
const std::string& dataStr = entry.second;
std::vector<uint8_t>& outData = layer.metadata.mMap[entry.first];
outData.resize(dataStr.size());
memcpy(outData.data(), dataStr.data(), dataStr.size());
}
layer.cornerRadiusCrop = generateFloatRect(layerProto.corner_radius_crop());
layer.shadowRadius = layerProto.shadow_radius();
return layer;
}
LayerProtoParser::Region LayerProtoParser::generateRegion(const RegionProto& regionProto) {
LayerProtoParser::Region region;
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::FloatRect LayerProtoParser::generateFloatRect(const FloatRectProto& rectProto) {
LayerProtoParser::FloatRect 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) {
currLayer->children.push_back(layerMap[layerProto.children(i)]);
}
}
for (int i = 0; i < layerProto.relatives_size(); i++) {
if (layerMap.count(layerProto.relatives(i)) > 0) {
currLayer->relatives.push_back(layerMap[layerProto.relatives(i)]);
}
}
if (layerProto.parent() != -1) {
if (layerMap.count(layerProto.parent()) > 0) {
currLayer->parent = layerMap[layerProto.parent()];
}
}
if (layerProto.z_order_relative_of() != -1) {
if (layerMap.count(layerProto.z_order_relative_of()) > 0) {
currLayer->zOrderRelativeOf = layerMap[layerProto.z_order_relative_of()];
}
}
}
std::string LayerProtoParser::layerTreeToString(const LayerTree& layerTree) {
std::string result;
for (const LayerProtoParser::Layer* layer : layerTree.topLevelLayers) {
if (layer->zOrderRelativeOf != nullptr) {
continue;
}
result.append(layerToString(layer));
}
return result;
}
std::string LayerProtoParser::layerToString(const LayerProtoParser::Layer* layer) {
std::string result;
std::vector<Layer*> traverse(layer->relatives);
for (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++) {
auto& relative = traverse[i];
if (relative->z >= 0) {
break;
}
result.append(layerToString(relative));
}
result.append(layer->to_string());
result.append("\n");
for (; i < traverse.size(); i++) {
auto& relative = traverse[i];
result.append(layerToString(relative));
}
return result;
}
std::string LayerProtoParser::ActiveBuffer::to_string() const {
return StringPrintf("[%4ux%4u:%4u,%s]", width, height, stride,
decodePixelFormat(format).c_str());
}
std::string LayerProtoParser::Transform::to_string() const {
return StringPrintf("[%.2f, %.2f][%.2f, %.2f]", static_cast<double>(dsdx),
static_cast<double>(dtdx), static_cast<double>(dsdy),
static_cast<double>(dtdy));
}
std::string LayerProtoParser::Rect::to_string() const {
return StringPrintf("[%3d, %3d, %3d, %3d]", left, top, right, bottom);
}
std::string LayerProtoParser::FloatRect::to_string() const {
return StringPrintf("[%.2f, %.2f, %.2f, %.2f]", left, top, right, bottom);
}
std::string LayerProtoParser::Region::to_string(const char* what) const {
std::string result =
StringPrintf(" Region %s (this=%lx count=%d)\n", what, static_cast<unsigned long>(id),
static_cast<int>(rects.size()));
for (auto& rect : rects) {
StringAppendF(&result, " %s\n", rect.to_string().c_str());
}
return result;
}
std::string LayerProtoParser::Layer::to_string() const {
std::string result;
StringAppendF(&result, "+ %s (%s)\n", type.c_str(), name.c_str());
result.append(transparentRegion.to_string("TransparentRegion").c_str());
result.append(visibleRegion.to_string("VisibleRegion").c_str());
result.append(damageRegion.to_string("SurfaceDamageRegion").c_str());
StringAppendF(&result, " layerStack=%4d, z=%9d, pos=(%g,%g), size=(%4d,%4d), ", layerStack,
z, static_cast<double>(position.x), static_cast<double>(position.y), size.x,
size.y);
StringAppendF(&result, "crop=%s, ", crop.to_string().c_str());
StringAppendF(&result, "cornerRadius=%f, ", cornerRadius);
StringAppendF(&result, "isProtected=%1d, ", isProtected);
StringAppendF(&result, "isOpaque=%1d, invalidate=%1d, ", isOpaque, invalidate);
StringAppendF(&result, "dataspace=%s, ", dataspace.c_str());
StringAppendF(&result, "defaultPixelFormat=%s, ", pixelFormat.c_str());
StringAppendF(&result, "backgroundBlurRadius=%1d, ", backgroundBlurRadius);
StringAppendF(&result, "color=(%.3f,%.3f,%.3f,%.3f), flags=0x%08x, ",
static_cast<double>(color.r), static_cast<double>(color.g),
static_cast<double>(color.b), static_cast<double>(color.a), flags);
StringAppendF(&result, "tr=%s", transform.to_string().c_str());
result.append("\n");
StringAppendF(&result, " parent=%s\n", parent == nullptr ? "none" : parent->name.c_str());
StringAppendF(&result, " zOrderRelativeOf=%s\n",
zOrderRelativeOf == nullptr ? "none" : zOrderRelativeOf->name.c_str());
StringAppendF(&result, " activeBuffer=%s,", activeBuffer.to_string().c_str());
StringAppendF(&result, " tr=%s", bufferTransform.to_string().c_str());
StringAppendF(&result, " queued-frames=%d, mRefreshPending=%d,", queuedFrames, refreshPending);
StringAppendF(&result, " metadata={");
bool first = true;
for (const auto& entry : metadata.mMap) {
if (!first) result.append(", ");
first = false;
result.append(metadata.itemToString(entry.first, ":"));
}
result.append("},");
StringAppendF(&result, " cornerRadiusCrop=%s, ", cornerRadiusCrop.to_string().c_str());
StringAppendF(&result, " shadowRadius=%.3f, ", shadowRadius);
return result;
}
} // namespace surfaceflinger
} // namespace android