sf: Disable secure screen shot for multiple display

Surface flinger captures individual screen shot for each display.
This will lead consumption of high GPU secure memory in case of
secure video use cases and cause out of memory.

CRs-Fixed: 2979136

Change-Id: I5de765014183723dcc80e471f15297258eb74bb6

1 files changed, 10 insertions, 1 deletions

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 02d63c4ecf..360272c7e6 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3773,7 +3773,6 @@ void SurfaceFlinger::processDisplayRemoved(const wp<IBinder>& displayToken) {
     }
 
     mDisplays.erase(displayToken);
-
     if (display && display->isVirtual()) {
         static_cast<void>(schedule([display = std::move(display)] {
             // Destroy the display without holding the mStateLock.
@@ -7757,6 +7756,16 @@ status_t SurfaceFlinger::captureScreenCommon(RenderAreaFuture renderAreaFuture,
                             }).get();
     }
 
+    // Surface flinger captures individual screen shot for each display
+    // This will lead consumption of high GPU secure memory in case
+    // of secure video use cases and cause out of memory.
+    {
+        Mutex::Autolock lock(mStateLock);
+        if(mDisplays.size() > 1) {
+           hasProtectedLayer = false;
+        }
+    }
+
     const uint32_t usage = GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_RENDER |
             GRALLOC_USAGE_HW_TEXTURE |
             (hasProtectedLayer && allowProtected && supportsProtected