diff options
Diffstat (limited to 'libs')
| -rw-r--r-- | libs/gui/Surface.cpp | 15 | ||||
| -rw-r--r-- | libs/gui/include/gui/Surface.h | 8 |
2 files changed, 23 insertions, 0 deletions
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp index c3323fefb2..d6f9e635f3 100644 --- a/libs/gui/Surface.cpp +++ b/libs/gui/Surface.cpp @@ -732,6 +732,8 @@ int Surface::dequeueBuffer(android_native_buffer_t** buffer, int* fenceFd) { mSharedBufferHasBeenQueued = false; } + mDequeuedSlots.insert(buf); + return OK; } @@ -760,6 +762,8 @@ int Surface::cancelBuffer(android_native_buffer_t* buffer, mSharedBufferHasBeenQueued = true; } + mDequeuedSlots.erase(i); + return OK; } @@ -895,6 +899,8 @@ int Surface::queueBuffer(android_native_buffer_t* buffer, int fenceFd) { ALOGE("queueBuffer: error queuing buffer to SurfaceTexture, %d", err); } + mDequeuedSlots.erase(i); + if (mEnableFrameTimestamps) { mFrameEventHistory->applyDelta(output.frameTimestamps); // Update timestamps with the local acquire fence. @@ -1660,6 +1666,7 @@ int Surface::attachBuffer(ANativeWindowBuffer* buffer) mRemovedBuffers.push_back(mSlots[attachedSlot].buffer); } mSlots[attachedSlot].buffer = graphicBuffer; + mDequeuedSlots.insert(attachedSlot); return NO_ERROR; } @@ -1926,6 +1933,10 @@ Dataspace Surface::getBuffersDataSpace() { } void Surface::freeAllBuffers() { + if (!mDequeuedSlots.empty()) { + ALOGE("%s: %zu buffers were freed while being dequeued!", + __FUNCTION__, mDequeuedSlots.size()); + } for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { mSlots[i].buffer = nullptr; } @@ -1947,6 +1958,10 @@ status_t Surface::getAndFlushBuffersFromSlots(const std::vector<int32_t>& slots, ALOGW("%s: Discarded slot %d doesn't contain buffer!", __FUNCTION__, i); continue; } + // Don't flush currently dequeued buffers + if (mDequeuedSlots.count(i) > 0) { + continue; + } outBuffers->push_back(mSlots[i].buffer); mSlots[i].buffer = nullptr; } diff --git a/libs/gui/include/gui/Surface.h b/libs/gui/include/gui/Surface.h index 49c83da319..55b4101908 100644 --- a/libs/gui/include/gui/Surface.h +++ b/libs/gui/include/gui/Surface.h @@ -30,6 +30,7 @@ #include <utils/RefBase.h> #include <shared_mutex> +#include <unordered_set> namespace android { @@ -543,8 +544,15 @@ protected: int mMaxBufferCount; sp<IProducerListener> mListenerProxy; + + // Get and flush the buffers of given slots, if the buffer in the slot + // is currently dequeued then it won't be flushed and won't be returned + // in outBuffers. status_t getAndFlushBuffersFromSlots(const std::vector<int32_t>& slots, std::vector<sp<GraphicBuffer>>* outBuffers); + + // Buffers that are successfully dequeued/attached and handed to clients + std::unordered_set<int> mDequeuedSlots; }; } // namespace android |