diff options
Diffstat (limited to 'libs/gui/BufferQueueProducer.cpp')
| -rw-r--r-- | libs/gui/BufferQueueProducer.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp index 86e45c8b00..b8df436bd9 100644 --- a/libs/gui/BufferQueueProducer.cpp +++ b/libs/gui/BufferQueueProducer.cpp @@ -337,10 +337,18 @@ status_t BufferQueueProducer::dequeueBuffer(int *outSlot, mSlots[found].mEglDisplay = EGL_NO_DISPLAY; mSlots[found].mEglFence = EGL_NO_SYNC_KHR; mSlots[found].mFence = Fence::NO_FENCE; + mCore->mBufferAge = 0; returnFlags |= BUFFER_NEEDS_REALLOCATION; + } else { + // We add 1 because that will be the frame number when this buffer + // is queued + mCore->mBufferAge = + mCore->mFrameCounter + 1 - mSlots[found].mFrameNumber; } + BQ_LOGV("dequeueBuffer: setting buffer age to %llu", mCore->mBufferAge); + if (CC_UNLIKELY(mSlots[found].mFence == NULL)) { BQ_LOGE("dequeueBuffer: about to return a NULL fence - " "slot=%d w=%d h=%d format=%u", @@ -784,6 +792,13 @@ int BufferQueueProducer::query(int what, int *outValue) { case NATIVE_WINDOW_DEFAULT_DATASPACE: value = static_cast<int32_t>(mCore->mDefaultBufferDataSpace); break; + case NATIVE_WINDOW_BUFFER_AGE: + if (mCore->mBufferAge > INT32_MAX) { + value = 0; + } else { + value = static_cast<int32_t>(mCore->mBufferAge); + } + break; default: return BAD_VALUE; } |