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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/nvnflinger/consumer_base.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/core/hle/service/nvnflinger/consumer_base.cpp b/src/core/hle/service/nvnflinger/consumer_base.cpp new file mode 100644 index 000000000..4dcda8dac --- /dev/null +++ b/src/core/hle/service/nvnflinger/consumer_base.cpp @@ -0,0 +1,133 @@ +// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project +// SPDX-FileCopyrightText: Copyright 2010 The Android Open Source Project +// SPDX-License-Identifier: GPL-3.0-or-later +// Parts of this implementation were based on: +// https://cs.android.com/android/platform/superproject/+/android-5.1.1_r38:frameworks/native/libs/gui/ConsumerBase.cpp + +#include "common/assert.h" +#include "common/logging/log.h" +#include "core/hle/service/nvnflinger/buffer_item.h" +#include "core/hle/service/nvnflinger/buffer_queue_consumer.h" +#include "core/hle/service/nvnflinger/buffer_queue_core.h" +#include "core/hle/service/nvnflinger/consumer_base.h" +#include "core/hle/service/nvnflinger/ui/graphic_buffer.h" + +namespace Service::android { + +ConsumerBase::ConsumerBase(std::unique_ptr<BufferQueueConsumer> consumer_) + : consumer{std::move(consumer_)} {} + +ConsumerBase::~ConsumerBase() { + std::scoped_lock lock{mutex}; + + ASSERT_MSG(is_abandoned, "consumer is not abandoned!"); +} + +void ConsumerBase::Connect(bool controlled_by_app) { + consumer->Connect(shared_from_this(), controlled_by_app); +} + +void ConsumerBase::FreeBufferLocked(s32 slot_index) { + LOG_DEBUG(Service_Nvnflinger, "slot_index={}", slot_index); + + slots[slot_index].graphic_buffer = nullptr; + slots[slot_index].fence = Fence::NoFence(); + slots[slot_index].frame_number = 0; +} + +void ConsumerBase::OnFrameAvailable(const BufferItem& item) { + LOG_DEBUG(Service_Nvnflinger, "called"); +} + +void ConsumerBase::OnFrameReplaced(const BufferItem& item) { + LOG_DEBUG(Service_Nvnflinger, "called"); +} + +void ConsumerBase::OnBuffersReleased() { + std::scoped_lock lock{mutex}; + + LOG_DEBUG(Service_Nvnflinger, "called"); + + if (is_abandoned) { + // Nothing to do if we're already abandoned. + return; + } + + u64 mask = 0; + consumer->GetReleasedBuffers(&mask); + for (int i = 0; i < BufferQueueDefs::NUM_BUFFER_SLOTS; i++) { + if (mask & (1ULL << i)) { + FreeBufferLocked(i); + } + } +} + +void ConsumerBase::OnSidebandStreamChanged() {} + +Status ConsumerBase::AcquireBufferLocked(BufferItem* item, std::chrono::nanoseconds present_when) { + Status err = consumer->AcquireBuffer(item, present_when); + if (err != Status::NoError) { + return err; + } + + if (item->graphic_buffer != nullptr) { + slots[item->slot].graphic_buffer = item->graphic_buffer; + } + + slots[item->slot].frame_number = item->frame_number; + slots[item->slot].fence = item->fence; + + LOG_DEBUG(Service_Nvnflinger, "slot={}", item->slot); + + return Status::NoError; +} + +Status ConsumerBase::AddReleaseFenceLocked(s32 slot, + const std::shared_ptr<GraphicBuffer>& graphic_buffer, + const Fence& fence) { + LOG_DEBUG(Service_Nvnflinger, "slot={}", slot); + + // If consumer no longer tracks this graphic_buffer, we can safely + // drop this fence, as it will never be received by the producer. + + if (!StillTracking(slot, graphic_buffer)) { + return Status::NoError; + } + + slots[slot].fence = fence; + + return Status::NoError; +} + +Status ConsumerBase::ReleaseBufferLocked(s32 slot, + const std::shared_ptr<GraphicBuffer>& graphic_buffer) { + // If consumer no longer tracks this graphic_buffer (we received a new + // buffer on the same slot), the buffer producer is definitely no longer + // tracking it. + + if (!StillTracking(slot, graphic_buffer)) { + return Status::NoError; + } + + LOG_DEBUG(Service_Nvnflinger, "slot={}", slot); + Status err = consumer->ReleaseBuffer(slot, slots[slot].frame_number, slots[slot].fence); + if (err == Status::StaleBufferSlot) { + FreeBufferLocked(slot); + } + + slots[slot].fence = Fence::NoFence(); + + return err; +} + +bool ConsumerBase::StillTracking(s32 slot, + const std::shared_ptr<GraphicBuffer>& graphic_buffer) const { + if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS) { + return false; + } + + return (slots[slot].graphic_buffer != nullptr && + slots[slot].graphic_buffer->Handle() == graphic_buffer->Handle()); +} + +} // namespace Service::android |