diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp index 968834056ae18..9c10c4fdbad15 100644 --- a/libs/hwui/renderthread/RenderThread.cpp +++ b/libs/hwui/renderthread/RenderThread.cpp @@ -20,6 +20,7 @@ #include "CanvasContext.h" #include "EglManager.h" #include "RenderProxy.h" +#include "utils/FatVector.h" #include #include @@ -282,10 +283,18 @@ bool RenderThread::threadLoop() { "RenderThread Looper POLL_ERROR!"); nsecs_t nextWakeup; - // Process our queue, if we have anything - while (RenderTask* task = nextTask(&nextWakeup)) { - task->run(); - // task may have deleted itself, do not reference it again + { + FatVector workQueue; + // Process our queue, if we have anything. By first acquiring + // all the pending events then processing them we avoid vsync + // starvation if more tasks are queued while we are processing tasks. + while (RenderTask* task = nextTask(&nextWakeup)) { + workQueue.push_back(task); + } + for (auto task : workQueue) { + task->run(); + // task may have deleted itself, do not reference it again + } } if (nextWakeup == LLONG_MAX) { timeoutMillis = -1;