Make rcCreateSyncKHR check for a current RenderThreadInfo

And create a trivial context if there's no RenderThreadInfo.

Bug: 177241396
Change-Id: I222767666266dcdce0f1e73f47b9702fb5e2639e

1 files changed, 15 insertions, 0 deletions

diff --git a/stream-servers/RenderControl.cpp b/stream-servers/RenderControl.cpp
index 6ba28d43..26f0d1fc 100644
--- a/stream-servers/RenderControl.cpp
+++ b/stream-servers/RenderControl.cpp
@@ -1111,6 +1111,21 @@ static void rcCreateSyncKHR(EGLenum type,
     // guaranteed, and we need to make sure
     // rcTriggerWait is registered.
     emugl_sync_register_trigger_wait(rcTriggerWait);
+
+    RenderThreadInfo *tInfo = RenderThreadInfo::get();
+
+    if (!tInfo->currContext) {
+        auto fb = FrameBuffer::getFB();
+        uint32_t create_sync_cxt, create_sync_surf;
+        fb->createTrivialContext(0, // There is no context to share.
+                                 &create_sync_cxt,
+                                 &create_sync_surf);
+        fb->bindContext(create_sync_cxt,
+                        create_sync_surf,
+                        create_sync_surf);
+        // This context is then cleaned up when the render thread exits.
+    }
+
     FenceSync* fenceSync = new FenceSync(hasNativeFence,
                                          destroy_when_signaled);