mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-09-11 18:28:50 +02:00
* Refactor CPU interface * Use IExecutionContext interface on SVC handler, change how CPU interrupts invokes the handlers * Make CpuEngine take a ITickSource rather than returning one The previous implementation had the scenario where the CPU engine had to implement the tick source in mind, like for example, when we have a hypervisor and the game can read CNTPCT on the host directly. However given that we need to do conversion due to different frequencies anyway, it's not worth it. It's better to just let the user pass the tick source and redirect any reads to CNTPCT to the user tick source * XML docs for the public interfaces * PPTC invalidation due to NativeInterface function name changes * Fix build of the CPU tests * PR feedback
871 lines
30 KiB
C#
871 lines
30 KiB
C#
using Ryujinx.Common.Logging;
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using Ryujinx.Cpu;
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using Ryujinx.HLE.HOS.Kernel.Threading;
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using Ryujinx.HLE.HOS.Services.Settings;
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using Ryujinx.HLE.HOS.Services.SurfaceFlinger.Types;
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using Ryujinx.HLE.HOS.Services.Time.Clock;
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using System;
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using System.Threading;
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namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
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{
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class BufferQueueProducer : IGraphicBufferProducer
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{
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public BufferQueueCore Core { get; }
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private readonly ITickSource _tickSource;
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private uint _stickyTransform;
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private uint _nextCallbackTicket;
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private uint _currentCallbackTicket;
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private uint _callbackTicket;
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private readonly object _callbackLock = new object();
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public BufferQueueProducer(BufferQueueCore core, ITickSource tickSource)
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{
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Core = core;
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_tickSource = tickSource;
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_stickyTransform = 0;
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_callbackTicket = 0;
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_nextCallbackTicket = 0;
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_currentCallbackTicket = 0;
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}
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public override Status RequestBuffer(int slot, out AndroidStrongPointer<GraphicBuffer> graphicBuffer)
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{
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graphicBuffer = new AndroidStrongPointer<GraphicBuffer>();
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lock (Core.Lock)
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{
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if (Core.IsAbandoned)
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{
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return Status.NoInit;
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}
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if (slot < 0 || slot >= Core.Slots.Length || !Core.IsOwnedByProducerLocked(slot))
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{
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return Status.BadValue;
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}
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graphicBuffer.Set(Core.Slots[slot].GraphicBuffer);
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Core.Slots[slot].RequestBufferCalled = true;
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return Status.Success;
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}
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}
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public override Status SetBufferCount(int bufferCount)
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{
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IConsumerListener listener = null;
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lock (Core.Lock)
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{
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if (Core.IsAbandoned)
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{
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return Status.NoInit;
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}
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if (bufferCount > BufferSlotArray.NumBufferSlots)
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{
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return Status.BadValue;
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}
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for (int slot = 0; slot < Core.Slots.Length; slot++)
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{
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if (Core.Slots[slot].BufferState == BufferState.Dequeued)
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{
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return Status.BadValue;
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}
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}
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if (bufferCount == 0)
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{
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Core.OverrideMaxBufferCount = 0;
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Core.SignalDequeueEvent();
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return Status.Success;
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}
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int minBufferSlots = Core.GetMinMaxBufferCountLocked(false);
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if (bufferCount < minBufferSlots)
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{
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return Status.BadValue;
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}
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int preallocatedBufferCount = GetPreallocatedBufferCountLocked();
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if (preallocatedBufferCount <= 0)
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{
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Core.Queue.Clear();
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Core.FreeAllBuffersLocked();
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}
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else if (preallocatedBufferCount < bufferCount)
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{
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Logger.Error?.Print(LogClass.SurfaceFlinger, "Not enough buffers. Try with more pre-allocated buffers");
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return Status.Success;
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}
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Core.OverrideMaxBufferCount = bufferCount;
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Core.SignalDequeueEvent();
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Core.SignalWaitBufferFreeEvent();
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listener = Core.ConsumerListener;
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}
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listener?.OnBuffersReleased();
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return Status.Success;
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}
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public override Status DequeueBuffer(out int slot,
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out AndroidFence fence,
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bool async,
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uint width,
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uint height,
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PixelFormat format,
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uint usage)
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{
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if ((width == 0 && height != 0) || (height == 0 && width != 0))
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{
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slot = BufferSlotArray.InvalidBufferSlot;
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fence = AndroidFence.NoFence;
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return Status.BadValue;
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}
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Status returnFlags = Status.Success;
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bool attachedByConsumer = false;
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lock (Core.Lock)
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{
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if (format == PixelFormat.Unknown)
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{
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format = Core.DefaultBufferFormat;
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}
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usage |= Core.ConsumerUsageBits;
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Status status = WaitForFreeSlotThenRelock(async, out slot, out returnFlags);
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if (status != Status.Success)
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{
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slot = BufferSlotArray.InvalidBufferSlot;
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fence = AndroidFence.NoFence;
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return status;
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}
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if (slot == BufferSlotArray.InvalidBufferSlot)
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{
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fence = AndroidFence.NoFence;
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Logger.Error?.Print(LogClass.SurfaceFlinger, "No available buffer slots");
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return Status.Busy;
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}
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attachedByConsumer = Core.Slots[slot].AttachedByConsumer;
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if (width == 0 || height == 0)
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{
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width = (uint)Core.DefaultWidth;
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height = (uint)Core.DefaultHeight;
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}
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GraphicBuffer graphicBuffer = Core.Slots[slot].GraphicBuffer.Object;
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if (Core.Slots[slot].GraphicBuffer.IsNull
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|| graphicBuffer.Width != width
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|| graphicBuffer.Height != height
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|| graphicBuffer.Format != format
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|| (graphicBuffer.Usage & usage) != usage)
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{
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if (!Core.Slots[slot].IsPreallocated)
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{
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slot = BufferSlotArray.InvalidBufferSlot;
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fence = AndroidFence.NoFence;
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return Status.NoMemory;
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}
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else
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{
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Logger.Error?.Print(LogClass.SurfaceFlinger,
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$"Preallocated buffer mismatch - slot {slot}\n" +
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$"available: Width = {graphicBuffer.Width} Height = {graphicBuffer.Height} Format = {graphicBuffer.Format} Usage = {graphicBuffer.Usage:x} " +
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$"requested: Width = {width} Height = {height} Format = {format} Usage = {usage:x}");
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slot = BufferSlotArray.InvalidBufferSlot;
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fence = AndroidFence.NoFence;
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return Status.NoInit;
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}
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}
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Core.Slots[slot].BufferState = BufferState.Dequeued;
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Core.UpdateMaxBufferCountCachedLocked(slot);
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fence = Core.Slots[slot].Fence;
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Core.Slots[slot].Fence = AndroidFence.NoFence;
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Core.Slots[slot].QueueTime = TimeSpanType.Zero;
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Core.Slots[slot].PresentationTime = TimeSpanType.Zero;
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Core.CheckSystemEventsLocked(Core.GetMaxBufferCountLocked(async));
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}
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if (attachedByConsumer)
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{
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returnFlags |= Status.BufferNeedsReallocation;
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}
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return returnFlags;
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}
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public override Status DetachBuffer(int slot)
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{
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lock (Core.Lock)
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{
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if (Core.IsAbandoned)
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{
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return Status.NoInit;
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}
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if (slot < 0 || slot >= Core.Slots.Length || !Core.IsOwnedByProducerLocked(slot))
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{
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return Status.BadValue;
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}
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if (!Core.Slots[slot].RequestBufferCalled)
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{
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Logger.Error?.Print(LogClass.SurfaceFlinger, $"Slot {slot} was detached without requesting a buffer");
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return Status.BadValue;
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}
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Core.FreeBufferLocked(slot);
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Core.SignalDequeueEvent();
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return Status.Success;
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}
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}
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public override Status DetachNextBuffer(out AndroidStrongPointer<GraphicBuffer> graphicBuffer, out AndroidFence fence)
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{
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lock (Core.Lock)
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{
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Core.WaitWhileAllocatingLocked();
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if (Core.IsAbandoned)
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{
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graphicBuffer = default;
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fence = AndroidFence.NoFence;
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return Status.NoInit;
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}
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int nextBufferSlot = BufferSlotArray.InvalidBufferSlot;
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for (int slot = 0; slot < Core.Slots.Length; slot++)
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{
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if (Core.Slots[slot].BufferState == BufferState.Free && !Core.Slots[slot].GraphicBuffer.IsNull)
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{
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if (nextBufferSlot == BufferSlotArray.InvalidBufferSlot || Core.Slots[slot].FrameNumber < Core.Slots[nextBufferSlot].FrameNumber)
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{
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nextBufferSlot = slot;
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}
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}
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}
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if (nextBufferSlot == BufferSlotArray.InvalidBufferSlot)
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{
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graphicBuffer = default;
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fence = AndroidFence.NoFence;
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return Status.NoMemory;
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}
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graphicBuffer = Core.Slots[nextBufferSlot].GraphicBuffer;
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fence = Core.Slots[nextBufferSlot].Fence;
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Core.FreeBufferLocked(nextBufferSlot);
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return Status.Success;
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}
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}
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public override Status AttachBuffer(out int slot, AndroidStrongPointer<GraphicBuffer> graphicBuffer)
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{
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lock (Core.Lock)
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{
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Core.WaitWhileAllocatingLocked();
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Status status = WaitForFreeSlotThenRelock(false, out slot, out Status returnFlags);
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if (status != Status.Success)
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{
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return status;
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}
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if (slot == BufferSlotArray.InvalidBufferSlot)
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{
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Logger.Error?.Print(LogClass.SurfaceFlinger, "No available buffer slots");
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return Status.Busy;
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}
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Core.UpdateMaxBufferCountCachedLocked(slot);
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Core.Slots[slot].GraphicBuffer.Set(graphicBuffer);
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Core.Slots[slot].BufferState = BufferState.Dequeued;
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Core.Slots[slot].Fence = AndroidFence.NoFence;
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Core.Slots[slot].RequestBufferCalled = true;
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return returnFlags;
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}
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}
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public override Status QueueBuffer(int slot, ref QueueBufferInput input, out QueueBufferOutput output)
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{
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output = default;
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switch (input.ScalingMode)
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{
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case NativeWindowScalingMode.Freeze:
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case NativeWindowScalingMode.ScaleToWindow:
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case NativeWindowScalingMode.ScaleCrop:
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case NativeWindowScalingMode.Unknown:
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case NativeWindowScalingMode.NoScaleCrop:
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break;
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default:
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return Status.BadValue;
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}
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BufferItem item = new BufferItem();
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IConsumerListener frameAvailableListener = null;
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IConsumerListener frameReplaceListener = null;
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lock (Core.Lock)
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{
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if (Core.IsAbandoned)
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{
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return Status.NoInit;
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}
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int maxBufferCount = Core.GetMaxBufferCountLocked(input.Async != 0);
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if (input.Async != 0 && Core.OverrideMaxBufferCount != 0 && Core.OverrideMaxBufferCount < maxBufferCount)
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{
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return Status.BadValue;
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}
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if (slot < 0 || slot >= Core.Slots.Length || !Core.IsOwnedByProducerLocked(slot))
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{
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return Status.BadValue;
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}
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if (!Core.Slots[slot].RequestBufferCalled)
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{
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Logger.Error?.Print(LogClass.SurfaceFlinger, $"Slot {slot} was queued without requesting a buffer");
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return Status.BadValue;
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}
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input.Crop.Intersect(Core.Slots[slot].GraphicBuffer.Object.ToRect(), out Rect croppedRect);
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if (croppedRect != input.Crop)
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{
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return Status.BadValue;
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}
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Core.Slots[slot].Fence = input.Fence;
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Core.Slots[slot].BufferState = BufferState.Queued;
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Core.FrameCounter++;
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Core.Slots[slot].FrameNumber = Core.FrameCounter;
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Core.Slots[slot].QueueTime = TimeSpanType.FromTimeSpan(_tickSource.ElapsedTime);
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Core.Slots[slot].PresentationTime = TimeSpanType.Zero;
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item.AcquireCalled = Core.Slots[slot].AcquireCalled;
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item.Crop = input.Crop;
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item.Transform = input.Transform;
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item.TransformToDisplayInverse = (input.Transform & NativeWindowTransform.InverseDisplay) == NativeWindowTransform.InverseDisplay;
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item.ScalingMode = input.ScalingMode;
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item.Timestamp = input.Timestamp;
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item.IsAutoTimestamp = input.IsAutoTimestamp != 0;
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item.SwapInterval = input.SwapInterval;
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item.FrameNumber = Core.FrameCounter;
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item.Slot = slot;
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item.Fence = input.Fence;
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item.IsDroppable = Core.DequeueBufferCannotBlock || input.Async != 0;
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item.GraphicBuffer.Set(Core.Slots[slot].GraphicBuffer);
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item.GraphicBuffer.Object.IncrementNvMapHandleRefCount(Core.Owner);
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Core.BufferHistoryPosition = (Core.BufferHistoryPosition + 1) % BufferQueueCore.BufferHistoryArraySize;
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Core.BufferHistory[Core.BufferHistoryPosition] = new BufferInfo
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{
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FrameNumber = Core.FrameCounter,
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QueueTime = Core.Slots[slot].QueueTime,
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State = BufferState.Queued
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};
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_stickyTransform = input.StickyTransform;
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if (Core.Queue.Count == 0)
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{
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Core.Queue.Add(item);
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frameAvailableListener = Core.ConsumerListener;
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}
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else
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{
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BufferItem frontItem = Core.Queue[0];
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if (frontItem.IsDroppable)
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{
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if (Core.StillTracking(ref frontItem))
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{
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Core.Slots[slot].BufferState = BufferState.Free;
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Core.Slots[slot].FrameNumber = 0;
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}
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Core.Queue.RemoveAt(0);
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Core.Queue.Insert(0, item);
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frameReplaceListener = Core.ConsumerListener;
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}
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else
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{
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Core.Queue.Add(item);
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frameAvailableListener = Core.ConsumerListener;
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}
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}
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Core.BufferHasBeenQueued = true;
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Core.SignalDequeueEvent();
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Core.CheckSystemEventsLocked(maxBufferCount);
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output = new QueueBufferOutput
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{
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Width = (uint)Core.DefaultWidth,
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Height = (uint)Core.DefaultHeight,
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TransformHint = Core.TransformHint,
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NumPendingBuffers = (uint)Core.Queue.Count
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};
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if ((input.StickyTransform & 8) != 0)
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{
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output.TransformHint |= NativeWindowTransform.ReturnFrameNumber;
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output.FrameNumber = Core.Slots[slot].FrameNumber;
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}
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_callbackTicket = _nextCallbackTicket++;
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}
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lock (_callbackLock)
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{
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while (_callbackTicket != _currentCallbackTicket)
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{
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Monitor.Wait(_callbackLock);
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}
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frameAvailableListener?.OnFrameAvailable(ref item);
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frameReplaceListener?.OnFrameReplaced(ref item);
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_currentCallbackTicket++;
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Monitor.PulseAll(_callbackLock);
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}
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Core.SignalQueueEvent();
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return Status.Success;
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}
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public override void CancelBuffer(int slot, ref AndroidFence fence)
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{
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lock (Core.Lock)
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{
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if (Core.IsAbandoned || slot < 0 || slot >= Core.Slots.Length || !Core.IsOwnedByProducerLocked(slot))
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{
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return;
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}
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Core.Slots[slot].BufferState = BufferState.Free;
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Core.Slots[slot].FrameNumber = 0;
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Core.Slots[slot].Fence = fence;
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Core.SignalDequeueEvent();
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Core.SignalWaitBufferFreeEvent();
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}
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}
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public override Status Query(NativeWindowAttribute what, out int outValue)
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{
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lock (Core.Lock)
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{
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if (Core.IsAbandoned)
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{
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outValue = 0;
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return Status.NoInit;
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}
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switch (what)
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{
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case NativeWindowAttribute.Width:
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outValue = Core.DefaultWidth;
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return Status.Success;
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case NativeWindowAttribute.Height:
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outValue = Core.DefaultHeight;
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return Status.Success;
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case NativeWindowAttribute.Format:
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outValue = (int)Core.DefaultBufferFormat;
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return Status.Success;
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case NativeWindowAttribute.MinUnqueuedBuffers:
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outValue = Core.GetMinUndequeuedBufferCountLocked(false);
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return Status.Success;
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case NativeWindowAttribute.ConsumerRunningBehind:
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outValue = Core.Queue.Count > 1 ? 1 : 0;
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return Status.Success;
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case NativeWindowAttribute.ConsumerUsageBits:
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outValue = (int)Core.ConsumerUsageBits;
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return Status.Success;
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case NativeWindowAttribute.MaxBufferCountAsync:
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outValue = Core.GetMaxBufferCountLocked(true);
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return Status.Success;
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default:
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outValue = 0;
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return Status.BadValue;
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}
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}
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}
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public override Status Connect(IProducerListener listener, NativeWindowApi api, bool producerControlledByApp, out QueueBufferOutput output)
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{
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output = new QueueBufferOutput();
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lock (Core.Lock)
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{
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if (Core.IsAbandoned || Core.ConsumerListener == null)
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{
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return Status.NoInit;
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}
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if (Core.ConnectedApi != NativeWindowApi.NoApi)
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{
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return Status.BadValue;
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}
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Core.BufferHasBeenQueued = false;
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Core.DequeueBufferCannotBlock = Core.ConsumerControlledByApp && producerControlledByApp;
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switch (api)
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{
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case NativeWindowApi.NVN:
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case NativeWindowApi.CPU:
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case NativeWindowApi.Media:
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case NativeWindowApi.Camera:
|
|
Core.ProducerListener = listener;
|
|
Core.ConnectedApi = api;
|
|
|
|
output.Width = (uint)Core.DefaultWidth;
|
|
output.Height = (uint)Core.DefaultHeight;
|
|
output.TransformHint = Core.TransformHint;
|
|
output.NumPendingBuffers = (uint)Core.Queue.Count;
|
|
|
|
if (NxSettings.Settings.TryGetValue("nv!nvn_no_vsync_capability", out object noVSyncCapability) && (bool)noVSyncCapability)
|
|
{
|
|
output.TransformHint |= NativeWindowTransform.NoVSyncCapability;
|
|
}
|
|
|
|
return Status.Success;
|
|
default:
|
|
return Status.BadValue;
|
|
}
|
|
}
|
|
}
|
|
|
|
public override Status Disconnect(NativeWindowApi api)
|
|
{
|
|
IProducerListener producerListener = null;
|
|
|
|
Status status = Status.BadValue;
|
|
|
|
lock (Core.Lock)
|
|
{
|
|
Core.WaitWhileAllocatingLocked();
|
|
|
|
if (Core.IsAbandoned)
|
|
{
|
|
return Status.Success;
|
|
}
|
|
|
|
switch (api)
|
|
{
|
|
case NativeWindowApi.NVN:
|
|
case NativeWindowApi.CPU:
|
|
case NativeWindowApi.Media:
|
|
case NativeWindowApi.Camera:
|
|
if (Core.ConnectedApi == api)
|
|
{
|
|
Core.Queue.Clear();
|
|
Core.FreeAllBuffersLocked();
|
|
Core.SignalDequeueEvent();
|
|
|
|
producerListener = Core.ProducerListener;
|
|
|
|
Core.ProducerListener = null;
|
|
Core.ConnectedApi = NativeWindowApi.NoApi;
|
|
|
|
Core.SignalWaitBufferFreeEvent();
|
|
Core.SignalFrameAvailableEvent();
|
|
|
|
status = Status.Success;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
producerListener?.OnBufferReleased();
|
|
|
|
return status;
|
|
}
|
|
|
|
private int GetPreallocatedBufferCountLocked()
|
|
{
|
|
int bufferCount = 0;
|
|
|
|
for (int i = 0; i < Core.Slots.Length; i++)
|
|
{
|
|
if (Core.Slots[i].IsPreallocated)
|
|
{
|
|
bufferCount++;
|
|
}
|
|
}
|
|
|
|
return bufferCount;
|
|
}
|
|
|
|
public override Status SetPreallocatedBuffer(int slot, AndroidStrongPointer<GraphicBuffer> graphicBuffer)
|
|
{
|
|
if (slot < 0 || slot >= Core.Slots.Length)
|
|
{
|
|
return Status.BadValue;
|
|
}
|
|
|
|
lock (Core.Lock)
|
|
{
|
|
Core.Slots[slot].BufferState = BufferState.Free;
|
|
Core.Slots[slot].Fence = AndroidFence.NoFence;
|
|
Core.Slots[slot].RequestBufferCalled = false;
|
|
Core.Slots[slot].AcquireCalled = false;
|
|
Core.Slots[slot].NeedsCleanupOnRelease = false;
|
|
Core.Slots[slot].IsPreallocated = !graphicBuffer.IsNull;
|
|
Core.Slots[slot].FrameNumber = 0;
|
|
|
|
Core.Slots[slot].GraphicBuffer.Set(graphicBuffer);
|
|
|
|
if (!Core.Slots[slot].GraphicBuffer.IsNull)
|
|
{
|
|
Core.Slots[slot].GraphicBuffer.Object.Buffer.Usage &= (int)Core.ConsumerUsageBits;
|
|
}
|
|
|
|
Core.OverrideMaxBufferCount = GetPreallocatedBufferCountLocked();
|
|
Core.UseAsyncBuffer = false;
|
|
|
|
if (!graphicBuffer.IsNull)
|
|
{
|
|
// NOTE: Nintendo set the default width, height and format from the GraphicBuffer..
|
|
// This is entirely wrong and should only be controlled by the consumer...
|
|
Core.DefaultWidth = graphicBuffer.Object.Width;
|
|
Core.DefaultHeight = graphicBuffer.Object.Height;
|
|
Core.DefaultBufferFormat = graphicBuffer.Object.Format;
|
|
}
|
|
else
|
|
{
|
|
bool allBufferFreed = true;
|
|
|
|
for (int i = 0; i < Core.Slots.Length; i++)
|
|
{
|
|
if (!Core.Slots[i].GraphicBuffer.IsNull)
|
|
{
|
|
allBufferFreed = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (allBufferFreed)
|
|
{
|
|
Core.Queue.Clear();
|
|
Core.FreeAllBuffersLocked();
|
|
Core.SignalDequeueEvent();
|
|
Core.SignalWaitBufferFreeEvent();
|
|
Core.SignalFrameAvailableEvent();
|
|
|
|
return Status.Success;
|
|
}
|
|
}
|
|
|
|
Core.SignalDequeueEvent();
|
|
Core.SignalWaitBufferFreeEvent();
|
|
|
|
return Status.Success;
|
|
}
|
|
}
|
|
|
|
private Status WaitForFreeSlotThenRelock(bool async, out int freeSlot, out Status returnStatus)
|
|
{
|
|
bool tryAgain = true;
|
|
|
|
freeSlot = BufferSlotArray.InvalidBufferSlot;
|
|
returnStatus = Status.Success;
|
|
|
|
while (tryAgain)
|
|
{
|
|
if (Core.IsAbandoned)
|
|
{
|
|
freeSlot = BufferSlotArray.InvalidBufferSlot;
|
|
|
|
return Status.NoInit;
|
|
}
|
|
|
|
int maxBufferCount = Core.GetMaxBufferCountLocked(async);
|
|
|
|
if (async && Core.OverrideMaxBufferCount != 0 && Core.OverrideMaxBufferCount < maxBufferCount)
|
|
{
|
|
freeSlot = BufferSlotArray.InvalidBufferSlot;
|
|
|
|
return Status.BadValue;
|
|
}
|
|
|
|
|
|
if (maxBufferCount < Core.MaxBufferCountCached)
|
|
{
|
|
for (int slot = maxBufferCount; slot < Core.MaxBufferCountCached; slot++)
|
|
{
|
|
if (Core.Slots[slot].BufferState == BufferState.Free && !Core.Slots[slot].GraphicBuffer.IsNull && !Core.Slots[slot].IsPreallocated)
|
|
{
|
|
Core.FreeBufferLocked(slot);
|
|
returnStatus |= Status.ReleaseAllBuffers;
|
|
}
|
|
}
|
|
}
|
|
|
|
freeSlot = BufferSlotArray.InvalidBufferSlot;
|
|
|
|
int dequeuedCount = 0;
|
|
int acquiredCount = 0;
|
|
|
|
for (int slot = 0; slot < maxBufferCount; slot++)
|
|
{
|
|
switch (Core.Slots[slot].BufferState)
|
|
{
|
|
case BufferState.Acquired:
|
|
acquiredCount++;
|
|
break;
|
|
case BufferState.Dequeued:
|
|
dequeuedCount++;
|
|
break;
|
|
case BufferState.Free:
|
|
if (freeSlot == BufferSlotArray.InvalidBufferSlot || Core.Slots[slot].FrameNumber < Core.Slots[freeSlot].FrameNumber)
|
|
{
|
|
freeSlot = slot;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// The producer SHOULD call SetBufferCount otherwise it's not allowed to dequeue multiple buffers.
|
|
if (Core.OverrideMaxBufferCount == 0 && dequeuedCount > 0)
|
|
{
|
|
return Status.InvalidOperation;
|
|
}
|
|
|
|
if (Core.BufferHasBeenQueued)
|
|
{
|
|
int newUndequeuedCount = maxBufferCount - (dequeuedCount + 1);
|
|
int minUndequeuedCount = Core.GetMinUndequeuedBufferCountLocked(async);
|
|
|
|
if (newUndequeuedCount < minUndequeuedCount)
|
|
{
|
|
Logger.Error?.Print(LogClass.SurfaceFlinger, $"Min undequeued buffer count ({minUndequeuedCount}) exceeded (dequeued = {dequeuedCount} undequeued = {newUndequeuedCount})");
|
|
|
|
return Status.InvalidOperation;
|
|
}
|
|
}
|
|
|
|
bool tooManyBuffers = Core.Queue.Count > maxBufferCount;
|
|
|
|
tryAgain = freeSlot == BufferSlotArray.InvalidBufferSlot || tooManyBuffers;
|
|
|
|
if (tryAgain)
|
|
{
|
|
if (async || (Core.DequeueBufferCannotBlock && acquiredCount < Core.MaxAcquiredBufferCount))
|
|
{
|
|
Core.CheckSystemEventsLocked(maxBufferCount);
|
|
|
|
return Status.WouldBlock;
|
|
}
|
|
|
|
Core.WaitDequeueEvent();
|
|
|
|
if (!Core.Active)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return Status.Success;
|
|
}
|
|
|
|
protected override KReadableEvent GetWaitBufferFreeEvent()
|
|
{
|
|
return Core.GetWaitBufferFreeEvent();
|
|
}
|
|
|
|
public override Status GetBufferHistory(int bufferHistoryCount, out Span<BufferInfo> bufferInfos)
|
|
{
|
|
if (bufferHistoryCount <= 0)
|
|
{
|
|
bufferInfos = Span<BufferInfo>.Empty;
|
|
|
|
return Status.BadValue;
|
|
}
|
|
|
|
lock (Core.Lock)
|
|
{
|
|
bufferHistoryCount = Math.Min(bufferHistoryCount, Core.BufferHistory.Length);
|
|
|
|
BufferInfo[] result = new BufferInfo[bufferHistoryCount];
|
|
|
|
uint position = Core.BufferHistoryPosition;
|
|
|
|
for (uint i = 0; i < bufferHistoryCount; i++)
|
|
{
|
|
result[i] = Core.BufferHistory[(position - i) % Core.BufferHistory.Length];
|
|
|
|
position--;
|
|
}
|
|
|
|
bufferInfos = result;
|
|
|
|
return Status.Success;
|
|
}
|
|
}
|
|
}
|
|
}
|