summaryrefslogtreecommitdiff
path: root/services/surfaceflinger/LayerStats.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'services/surfaceflinger/LayerStats.cpp')
-rw-r--r--services/surfaceflinger/LayerStats.cpp233
1 files changed, 0 insertions, 233 deletions
diff --git a/services/surfaceflinger/LayerStats.cpp b/services/surfaceflinger/LayerStats.cpp
deleted file mode 100644
index a2d1feb40d..0000000000
--- a/services/surfaceflinger/LayerStats.cpp
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
- * Copyright 2018 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.
- */
-#undef LOG_TAG
-#define LOG_TAG "LayerStats"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include "LayerStats.h"
-#include "DisplayHardware/HWComposer.h"
-#include "ui/DebugUtils.h"
-
-#include <android-base/stringprintf.h>
-#include <log/log.h>
-#include <utils/Trace.h>
-
-namespace android {
-
-using base::StringAppendF;
-using base::StringPrintf;
-
-void LayerStats::enable() {
- ATRACE_CALL();
- std::lock_guard<std::mutex> lock(mMutex);
- if (mEnabled) return;
- mLayerShapeStatsMap.clear();
- mEnabled = true;
- ALOGD("Logging enabled");
-}
-
-void LayerStats::disable() {
- ATRACE_CALL();
- std::lock_guard<std::mutex> lock(mMutex);
- if (!mEnabled) return;
- mEnabled = false;
- ALOGD("Logging disabled");
-}
-
-void LayerStats::clear() {
- ATRACE_CALL();
- std::lock_guard<std::mutex> lock(mMutex);
- mLayerShapeStatsMap.clear();
- ALOGD("Cleared current layer stats");
-}
-
-bool LayerStats::isEnabled() {
- return mEnabled;
-}
-
-void LayerStats::traverseLayerTreeStatsLocked(
- const std::vector<LayerProtoParser::Layer*>& layerTree,
- const LayerProtoParser::LayerGlobal& layerGlobal,
- std::vector<std::string>* const outLayerShapeVec) {
- for (const auto& layer : layerTree) {
- if (!layer) continue;
- traverseLayerTreeStatsLocked(layer->children, layerGlobal, outLayerShapeVec);
- std::string key = "";
- StringAppendF(&key, ",%s", layer->type.c_str());
- StringAppendF(&key, ",%s", layerCompositionType(layer->hwcCompositionType));
- StringAppendF(&key, ",%d", layer->isProtected);
- StringAppendF(&key, ",%s", layerTransform(layer->hwcTransform));
- StringAppendF(&key, ",%s", layerPixelFormat(layer->activeBuffer.format).c_str());
- StringAppendF(&key, ",%s", layer->dataspace.c_str());
- StringAppendF(&key, ",%s",
- destinationLocation(layer->hwcFrame.left, layerGlobal.resolution[0], true));
- StringAppendF(&key, ",%s",
- destinationLocation(layer->hwcFrame.top, layerGlobal.resolution[1], false));
- StringAppendF(&key, ",%s",
- destinationSize(layer->hwcFrame.right - layer->hwcFrame.left,
- layerGlobal.resolution[0], true));
- StringAppendF(&key, ",%s",
- destinationSize(layer->hwcFrame.bottom - layer->hwcFrame.top,
- layerGlobal.resolution[1], false));
- StringAppendF(&key, ",%s", scaleRatioWH(layer).c_str());
- StringAppendF(&key, ",%s", alpha(static_cast<float>(layer->color.a)));
-
- outLayerShapeVec->push_back(key);
- ALOGV("%s", key.c_str());
- }
-}
-
-void LayerStats::logLayerStats(const LayersProto& layersProto) {
- ATRACE_CALL();
- ALOGV("Logging");
- auto layerGlobal = LayerProtoParser::generateLayerGlobalInfo(layersProto);
- auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
- std::vector<std::string> layerShapeVec;
-
- std::lock_guard<std::mutex> lock(mMutex);
- traverseLayerTreeStatsLocked(layerTree.topLevelLayers, layerGlobal, &layerShapeVec);
-
- std::string layerShapeKey =
- StringPrintf("%d,%s,%s,%s", static_cast<int32_t>(layerShapeVec.size()),
- layerGlobal.colorMode.c_str(), layerGlobal.colorTransform.c_str(),
- layerTransform(layerGlobal.globalTransform));
- ALOGV("%s", layerShapeKey.c_str());
-
- std::sort(layerShapeVec.begin(), layerShapeVec.end(), std::greater<std::string>());
- for (auto const& s : layerShapeVec) {
- layerShapeKey += s;
- }
-
- mLayerShapeStatsMap[layerShapeKey]++;
-}
-
-void LayerStats::dump(std::string& result) {
- ATRACE_CALL();
- ALOGD("Dumping");
- std::lock_guard<std::mutex> lock(mMutex);
- result.append("Frequency,LayerCount,ColorMode,ColorTransform,Orientation\n");
- result.append("LayerType,CompositionType,IsProtected,Transform,PixelFormat,Dataspace,");
- result.append("DstX,DstY,DstWidth,DstHeight,WScale,HScale,Alpha\n");
- for (auto& u : mLayerShapeStatsMap) {
- StringAppendF(&result, "%u,%s\n", u.second, u.first.c_str());
- }
-}
-
-const char* LayerStats::destinationLocation(int32_t location, int32_t range, bool isHorizontal) {
- static const char* locationArray[8] = {"0", "1/8", "1/4", "3/8", "1/2", "5/8", "3/4", "7/8"};
- int32_t ratio = location * 8 / range;
- if (ratio < 0) return "N/A";
- if (isHorizontal) {
- // X location is divided into 4 buckets {"0", "1/4", "1/2", "3/4"}
- if (ratio > 6) return "3/4";
- // use index 0, 2, 4, 6
- return locationArray[ratio & ~1];
- }
- if (ratio > 7) return "7/8";
- return locationArray[ratio];
-}
-
-const char* LayerStats::destinationSize(int32_t size, int32_t range, bool isWidth) {
- static const char* sizeArray[8] = {"1/8", "1/4", "3/8", "1/2", "5/8", "3/4", "7/8", "1"};
- int32_t ratio = size * 8 / range;
- if (ratio < 0) return "N/A";
- if (isWidth) {
- // width is divided into 4 buckets {"1/4", "1/2", "3/4", "1"}
- if (ratio > 6) return "1";
- // use index 1, 3, 5, 7
- return sizeArray[ratio | 1];
- }
- if (ratio > 7) return "1";
- return sizeArray[ratio];
-}
-
-const char* LayerStats::layerTransform(int32_t transform) {
- return getTransformName(static_cast<hwc_transform_t>(transform));
-}
-
-const char* LayerStats::layerCompositionType(int32_t compositionType) {
- return getCompositionName(static_cast<hwc2_composition_t>(compositionType));
-}
-
-std::string LayerStats::layerPixelFormat(int32_t pixelFormat) {
- return decodePixelFormat(pixelFormat);
-}
-
-std::string LayerStats::scaleRatioWH(const LayerProtoParser::Layer* layer) {
- if (!layer->type.compare("ColorLayer")) return "N/A,N/A";
- std::string ret = "";
- if (isRotated(layer->hwcTransform)) {
- ret += scaleRatio(layer->hwcFrame.right - layer->hwcFrame.left,
- static_cast<int32_t>(layer->hwcCrop.bottom - layer->hwcCrop.top));
- ret += ",";
- ret += scaleRatio(layer->hwcFrame.bottom - layer->hwcFrame.top,
- static_cast<int32_t>(layer->hwcCrop.right - layer->hwcCrop.left));
- } else {
- ret += scaleRatio(layer->hwcFrame.right - layer->hwcFrame.left,
- static_cast<int32_t>(layer->hwcCrop.right - layer->hwcCrop.left));
- ret += ",";
- ret += scaleRatio(layer->hwcFrame.bottom - layer->hwcFrame.top,
- static_cast<int32_t>(layer->hwcCrop.bottom - layer->hwcCrop.top));
- }
- return ret;
-}
-
-const char* LayerStats::scaleRatio(int32_t destinationScale, int32_t sourceScale) {
- // Make scale buckets from <1/64 to >= 16, to avoid floating point
- // calculation, x64 on destinationScale first
- int32_t scale = destinationScale * 64 / sourceScale;
- if (!scale) return "<1/64";
- if (scale < 2) return "1/64";
- if (scale < 4) return "1/32";
- if (scale < 8) return "1/16";
- if (scale < 16) return "1/8";
- if (scale < 32) return "1/4";
- if (scale < 64) return "1/2";
- if (scale < 128) return "1";
- if (scale < 256) return "2";
- if (scale < 512) return "4";
- if (scale < 1024) return "8";
- return ">=16";
-}
-
-const char* LayerStats::alpha(float a) {
- if (a == 1.0f) return "1.0";
- if (a > 0.9f) return "0.99";
- if (a > 0.8f) return "0.9";
- if (a > 0.7f) return "0.8";
- if (a > 0.6f) return "0.7";
- if (a > 0.5f) return "0.6";
- if (a > 0.4f) return "0.5";
- if (a > 0.3f) return "0.4";
- if (a > 0.2f) return "0.3";
- if (a > 0.1f) return "0.2";
- if (a > 0.0f) return "0.1";
- return "0.0";
-}
-
-bool LayerStats::isRotated(int32_t transform) {
- return transform & HWC_TRANSFORM_ROT_90;
-}
-
-bool LayerStats::isVFlipped(int32_t transform) {
- return transform & HWC_TRANSFORM_FLIP_V;
-}
-
-bool LayerStats::isHFlipped(int32_t transform) {
- return transform & HWC_TRANSFORM_FLIP_H;
-}
-
-} // namespace android
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2026-01-14 21:10:16 +0000