1 files changed, 45 insertions, 2 deletions

diff --git a/cmds/bootanimation/BootAnimation.cpp b/cmds/bootanimation/BootAnimation.cpp
index 85db4b9f0f8f..520366f518ab 100644
--- a/cmds/bootanimation/BootAnimation.cpp
+++ b/cmds/bootanimation/BootAnimation.cpp
@@ -106,6 +106,7 @@ static constexpr size_t FONT_NUM_ROWS = FONT_NUM_CHARS / FONT_NUM_COLS;
 static const int TEXT_CENTER_VALUE = INT_MAX;
 static const int TEXT_MISSING_VALUE = INT_MIN;
 static const char EXIT_PROP_NAME[] = "service.bootanim.exit";
+static const char DISPLAYS_PROP_NAME[] = "persist.service.bootanim.displays";
 static const int ANIM_ENTRY_NAME_MAX = ANIM_PATH_MAX + 1;
 static constexpr size_t TEXT_POS_LEN_MAX = 16;
 
@@ -294,6 +295,48 @@ status_t BootAnimation::readyToRun() {
             dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
 
     SurfaceComposerClient::Transaction t;
+
+    // this guest property specifies multi-display IDs to show the boot animation
+    // multiple ids can be set with comma (,) as separator, for example:
+    // setprop persist.boot.animation.displays 19260422155234049,19261083906282754
+    Vector<uint64_t> physicalDisplayIds;
+    char displayValue[PROPERTY_VALUE_MAX] = "";
+    property_get(DISPLAYS_PROP_NAME, displayValue, "");
+    bool isValid = displayValue[0] != '\0';
+    if (isValid) {
+        char *p = displayValue;
+        while (*p) {
+            if (!isdigit(*p) && *p != ',') {
+                isValid = false;
+                break;
+            }
+            p ++;
+        }
+        if (!isValid)
+            SLOGE("Invalid syntax for the value of system prop: %s", DISPLAYS_PROP_NAME);
+    }
+    if (isValid) {
+        std::istringstream stream(displayValue);
+        for (PhysicalDisplayId id; stream >> id; ) {
+            physicalDisplayIds.add(id);
+            if (stream.peek() == ',')
+                stream.ignore();
+        }
+
+        // In the case of multi-display, boot animation shows on the specified displays
+        // in addition to the primary display
+        auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
+        constexpr uint32_t LAYER_STACK = 0;
+        for (auto id : physicalDisplayIds) {
+            if (std::find(ids.begin(), ids.end(), id) != ids.end()) {
+                sp<IBinder> token = SurfaceComposerClient::getPhysicalDisplayToken(id);
+                if (token != nullptr)
+                    t.setDisplayLayerStack(token, LAYER_STACK);
+            }
+        }
+        t.setLayerStack(control, LAYER_STACK);
+    }
+
     t.setLayer(control, 0x40000000)
         .apply();
 
@@ -1092,7 +1135,7 @@ void BootAnimation::handleViewport(nsecs_t timestep) {
         SurfaceComposerClient::Transaction t;
         t.setPosition(mFlingerSurfaceControl, 0, -mTargetInset)
                 .setCrop(mFlingerSurfaceControl, Rect(0, mTargetInset, mWidth, mHeight));
-        t.setDisplayProjection(mDisplayToken, 0 /* orientation */, layerStackRect, displayRect);
+        t.setDisplayProjection(mDisplayToken, ui::ROTATION_0, layerStackRect, displayRect);
         t.apply();
 
         mTargetInset = mCurrentInset = 0;
@@ -1136,10 +1179,10 @@ BootAnimation::Animation* BootAnimation::loadAnimation(const String8& fn)
 
     parseAnimationDesc(*animation);
     if (!preloadZip(*animation)) {
+        releaseAnimation(animation);
         return nullptr;
     }
 
-
     mLoadedFiles.remove(fn);
     return animation;
 }