diff options
| -rw-r--r-- | drmdisplaycompositor.cpp | 10 | ||||
| -rw-r--r-- | drmeventlistener.cpp | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drmdisplaycompositor.cpp b/drmdisplaycompositor.cpp index a1baed1..b0d1f1e 100644 --- a/drmdisplaycompositor.cpp +++ b/drmdisplaycompositor.cpp @@ -191,6 +191,16 @@ int DrmDisplayCompositor::FrameWorker::Init() { void DrmDisplayCompositor::FrameWorker::QueueFrame( std::unique_ptr<DrmDisplayComposition> composition, int status) { Lock(); + + // Block queue if it gets too large. Otherwise composition will + // start stacking up and eat limited resources (file descriptors) + // allocated for these. + while (frame_queue_.size() >= DRM_DISPLAY_COMPOSITOR_MAX_QUEUE_DEPTH) { + Unlock(); + sched_yield(); + Lock(); + } + FrameState frame; frame.composition = std::move(composition); frame.status = status; diff --git a/drmeventlistener.cpp b/drmeventlistener.cpp index 0514aa6..2607eef 100644 --- a/drmeventlistener.cpp +++ b/drmeventlistener.cpp @@ -14,6 +14,8 @@ * limitations under the License. */ +#include <assert.h> + #define LOG_TAG "hwc-drm-event-listener" #include "drmeventlistener.h" |