1 files changed, 0 insertions, 113 deletions
diff --git a/services/bufferhub/BufferNode.cpp b/services/bufferhub/BufferNode.cpp
deleted file mode 100644
index 04ca6493f7..0000000000
--- a/services/bufferhub/BufferNode.cpp
+++ /dev/null
@@ -1,113 +0,0 @@
-#include <errno.h>
-
-#include <bufferhub/BufferHubService.h>
-#include <bufferhub/BufferNode.h>
-#include <log/log.h>
-#include <ui/GraphicBufferAllocator.h>
-
-namespace android {
-namespace frameworks {
-namespace bufferhub {
-namespace V1_0 {
-namespace implementation {
-
-void BufferNode::initializeMetadata() {
-    // Using placement new here to reuse shared memory instead of new allocation
-    // Initialize the atomic variables to zero.
-    BufferHubDefs::MetadataHeader* metadataHeader = mMetadata.metadataHeader();
-    mBufferState = new (&metadataHeader->bufferState) std::atomic<uint32_t>(0);
-    mFenceState = new (&metadataHeader->fenceState) std::atomic<uint32_t>(0);
-    mActiveClientsBitMask = new (&metadataHeader->activeClientsBitMask) std::atomic<uint32_t>(0);
-    // The C++ standard recommends (but does not require) that lock-free atomic operations are
-    // also address-free, that is, suitable for communication between processes using shared
-    // memory.
-    LOG_ALWAYS_FATAL_IF(!std::atomic_is_lock_free(mBufferState) ||
-                                !std::atomic_is_lock_free(mFenceState) ||
-                                !std::atomic_is_lock_free(mActiveClientsBitMask),
-                        "Atomic variables in ashmen are not lock free.");
-}
-
-// Allocates a new BufferNode.
-BufferNode::BufferNode(uint32_t width, uint32_t height, uint32_t layerCount, uint32_t format,
-                       uint64_t usage, size_t userMetadataSize, int id)
-      : mId(id) {
-    uint32_t outStride = 0;
-    // graphicBufferId is not used in GraphicBufferAllocator::allocate
-    // TODO(b/112338294) After move to the service folder, stop using the
-    // hardcoded service name "bufferhub".
-    int ret = GraphicBufferAllocator::get().allocate(width, height, format, layerCount, usage,
-                                                     const_cast<const native_handle_t**>(
-                                                             &mBufferHandle),
-                                                     &outStride,
-                                                     /*graphicBufferId=*/0,
-                                                     /*requestor=*/"bufferhub");
-
-    if (ret != OK || mBufferHandle == nullptr) {
-        ALOGE("%s: Failed to allocate buffer: %s", __FUNCTION__, strerror(-ret));
-        return;
-    }
-
-    mBufferDesc.width = width;
-    mBufferDesc.height = height;
-    mBufferDesc.layers = layerCount;
-    mBufferDesc.format = format;
-    mBufferDesc.usage = usage;
-    mBufferDesc.stride = outStride;
-
-    mMetadata = BufferHubMetadata::create(userMetadataSize);
-    if (!mMetadata.isValid()) {
-        ALOGE("%s: Failed to allocate metadata.", __FUNCTION__);
-        return;
-    }
-    initializeMetadata();
-}
-
-BufferNode::~BufferNode() {
-    // Free the handle
-    if (mBufferHandle != nullptr) {
-        status_t ret = GraphicBufferAllocator::get().free(mBufferHandle);
-        if (ret != OK) {
-            ALOGE("%s: Failed to free handle; Got error: %d", __FUNCTION__, ret);
-        }
-    }
-
-    // Free the id, if valid
-    if (mId >= 0) {
-        BufferHubIdGenerator::getInstance().freeId(mId);
-    }
-}
-
-uint32_t BufferNode::getActiveClientsBitMask() const {
-    return mActiveClientsBitMask->load(std::memory_order_acquire);
-}
-
-uint32_t BufferNode::addNewActiveClientsBitToMask() {
-    uint32_t currentActiveClientsBitMask = getActiveClientsBitMask();
-    uint32_t clientStateMask = 0U;
-    uint32_t updatedActiveClientsBitMask = 0U;
-    do {
-        clientStateMask =
-                BufferHubDefs::findNextAvailableClientStateMask(currentActiveClientsBitMask);
-        if (clientStateMask == 0U) {
-            ALOGE("%s: reached the maximum number of channels per buffer node: %d.", __FUNCTION__,
-                  BufferHubDefs::kMaxNumberOfClients);
-            errno = E2BIG;
-            return 0U;
-        }
-        updatedActiveClientsBitMask = currentActiveClientsBitMask | clientStateMask;
-    } while (!(mActiveClientsBitMask->compare_exchange_weak(currentActiveClientsBitMask,
-                                                            updatedActiveClientsBitMask,
-                                                            std::memory_order_acq_rel,
-                                                            std::memory_order_acquire)));
-    return clientStateMask;
-}
-
-void BufferNode::removeClientsBitFromMask(const uint32_t& value) {
-    mActiveClientsBitMask->fetch_and(~value);
-}
-
-} // namespace implementation
-} // namespace V1_0
-} // namespace bufferhub
-} // namespace frameworks
-} // namespace android