to help debugging [2461567] Home screen redraw messed up
log SF's idea of the front buffer in dumpsys.
diff --git a/libs/surfaceflinger/Layer.h b/libs/surfaceflinger/Layer.h
index 1310ecc..743afb4 100644
--- a/libs/surfaceflinger/Layer.h
+++ b/libs/surfaceflinger/Layer.h
@@ -78,6 +78,8 @@
inline const sp<FreezeLock>& getFreezeLock() const { return mFreezeLock; }
// only for debugging
inline PixelFormat pixelFormat() const { return mFormat; }
+ // only for debugging
+ inline int getFrontBufferIndex() const { return mFrontBufferIndex; }
private:
inline sp<GraphicBuffer> getFrontBufferLocked() {
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/libs/surfaceflinger/SurfaceFlinger.cpp
index b408779..4555b3c 100644
--- a/libs/surfaceflinger/SurfaceFlinger.cpp
+++ b/libs/surfaceflinger/SurfaceFlinger.cpp
@@ -1519,6 +1519,10 @@
if (l != 0) {
SharedBufferStack::Statistics stats = l->lcblk->getStats();
result.append( l->lcblk->dump(" ") );
+ snprintf(buffer, SIZE,
+ " front-index=%u\n", l->getFrontBufferIndex());
+ result.append(buffer);
+
sp<const GraphicBuffer> buf0(l->getBuffer(0));
sp<const GraphicBuffer> buf1(l->getBuffer(1));
uint32_t w0=0, h0=0, s0=0;