SF/HWC2: Add a layer minidump
Adds a brief dump of visible HWC layers to replace functionality that
was lost when moving from HWC1 to HWC2.
Bug: 30242002
Change-Id: I7331517c7d1eb515b33d5db85cdaf23d8b9ae9d9
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 2a3c229..0f8da5d 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -591,19 +591,25 @@
const Transform& tr(displayDevice->getTransform());
Rect transformedFrame = tr.transform(frame);
auto error = hwcLayer->setDisplayFrame(transformedFrame);
- ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set display frame "
- "[%d, %d, %d, %d]: %s (%d)", mName.string(), transformedFrame.left,
- transformedFrame.top, transformedFrame.right,
- transformedFrame.bottom, to_string(error).c_str(),
- static_cast<int32_t>(error));
+ if (error != HWC2::Error::None) {
+ ALOGE("[%s] Failed to set display frame [%d, %d, %d, %d]: %s (%d)",
+ mName.string(), transformedFrame.left, transformedFrame.top,
+ transformedFrame.right, transformedFrame.bottom,
+ to_string(error).c_str(), static_cast<int32_t>(error));
+ } else {
+ hwcInfo.displayFrame = transformedFrame;
+ }
FloatRect sourceCrop = computeCrop(displayDevice);
error = hwcLayer->setSourceCrop(sourceCrop);
- ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set source crop "
- "[%.3f, %.3f, %.3f, %.3f]: %s (%d)", mName.string(),
- sourceCrop.left, sourceCrop.top, sourceCrop.right,
- sourceCrop.bottom, to_string(error).c_str(),
- static_cast<int32_t>(error));
+ if (error != HWC2::Error::None) {
+ ALOGE("[%s] Failed to set source crop [%.3f, %.3f, %.3f, %.3f]: "
+ "%s (%d)", mName.string(), sourceCrop.left, sourceCrop.top,
+ sourceCrop.right, sourceCrop.bottom, to_string(error).c_str(),
+ static_cast<int32_t>(error));
+ } else {
+ hwcInfo.sourceCrop = sourceCrop;
+ }
error = hwcLayer->setPlaneAlpha(s.alpha);
ALOGE_IF(error != HWC2::Error::None, "[%s] Failed to set plane alpha %.3f: "
@@ -2230,6 +2236,54 @@
}
}
+#ifdef USE_HWC2
+void Layer::miniDumpHeader(String8& result) {
+ result.append("----------------------------------------");
+ result.append("---------------------------------------\n");
+ result.append(" Layer name\n");
+ result.append(" Z | ");
+ result.append(" Comp Type | ");
+ result.append(" Disp Frame (LTRB) | ");
+ result.append(" Source Crop (LTRB)\n");
+ result.append("----------------------------------------");
+ result.append("---------------------------------------\n");
+}
+
+void Layer::miniDump(String8& result, int32_t hwcId) const {
+ if (mHwcLayers.count(hwcId) == 0) {
+ return;
+ }
+
+ String8 name;
+ if (mName.length() > 77) {
+ std::string shortened;
+ shortened.append(mName.string(), 36);
+ shortened.append("[...]");
+ shortened.append(mName.string() + (mName.length() - 36), 36);
+ name = shortened.c_str();
+ } else {
+ name = mName;
+ }
+
+ result.appendFormat(" %s\n", name.string());
+
+ const Layer::State& layerState(getDrawingState());
+ const HWCInfo& hwcInfo = mHwcLayers.at(hwcId);
+ result.appendFormat(" %10u | ", layerState.z);
+ result.appendFormat("%10s | ",
+ to_string(getCompositionType(hwcId)).c_str());
+ const Rect& frame = hwcInfo.displayFrame;
+ result.appendFormat("%4d %4d %4d %4d | ", frame.left, frame.top,
+ frame.right, frame.bottom);
+ const FloatRect& crop = hwcInfo.sourceCrop;
+ result.appendFormat("%6.1f %6.1f %6.1f %6.1f\n", crop.left, crop.top,
+ crop.right, crop.bottom);
+
+ result.append("- - - - - - - - - - - - - - - - - - - - ");
+ result.append("- - - - - - - - - - - - - - - - - - - -\n");
+}
+#endif
+
void Layer::dumpFrameStats(String8& result) const {
mFrameTracker.dumpStats(result);
}
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index c070539..b185948 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -402,6 +402,10 @@
/* always call base class first */
void dump(String8& result, Colorizer& colorizer) const;
+#ifdef USE_HWC2
+ static void miniDumpHeader(String8& result);
+ void miniDump(String8& result, int32_t hwcId) const;
+#endif
void dumpFrameStats(String8& result) const;
void clearFrameStats();
void logFrameStats();
@@ -588,6 +592,8 @@
bool forceClientComposition;
HWC2::Composition compositionType;
bool clearClientTarget;
+ Rect displayFrame;
+ FloatRect sourceCrop;
};
std::unordered_map<int32_t, HWCInfo> mHwcLayers;
#else
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index a36a8cd..715ce99 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3039,6 +3039,26 @@
* VSYNC state
*/
mEventThread->dump(result);
+ result.append("\n");
+
+ /*
+ * HWC layer minidump
+ */
+ for (size_t d = 0; d < mDisplays.size(); d++) {
+ const sp<const DisplayDevice>& displayDevice(mDisplays[d]);
+ int32_t hwcId = displayDevice->getHwcDisplayId();
+ if (hwcId == DisplayDevice::DISPLAY_ID_INVALID) {
+ continue;
+ }
+
+ result.appendFormat("Display %d HWC layers:\n", hwcId);
+ Layer::miniDumpHeader(result);
+ for (size_t l = 0; l < count; l++) {
+ const sp<Layer>& layer(currentLayers[l]);
+ layer->miniDump(result, hwcId);
+ }
+ result.append("\n");
+ }
/*
* Dump HWComposer state
