private void PostFrameBuffer(Layer layer, BufferItem item)
{
int frameBufferWidth = item.GraphicBuffer.Object.Width;
int frameBufferHeight = item.GraphicBuffer.Object.Height;
int nvMapHandle = item.GraphicBuffer.Object.Buffer.Surfaces[0].NvMapHandle;
if (nvMapHandle == 0)
{
nvMapHandle = item.GraphicBuffer.Object.Buffer.NvMapId;
}
ulong bufferOffset = (ulong)item.GraphicBuffer.Object.Buffer.Surfaces[0].Offset;
NvMapHandle map = NvMapDeviceFile.GetMapFromHandle(layer.Owner, nvMapHandle);
ulong frameBufferAddress = map.Address + bufferOffset;
Format format = ConvertColorFormat(item.GraphicBuffer.Object.Buffer.Surfaces[0].ColorFormat);
int bytesPerPixel =
format == Format.B5G6R5Unorm ||
format == Format.R4G4B4A4Unorm ? 2 : 4;
int gobBlocksInY = 1 << item.GraphicBuffer.Object.Buffer.Surfaces[0].BlockHeightLog2;
// Note: Rotation is being ignored.
Rect cropRect = item.Crop;
bool flipX = item.Transform.HasFlag(NativeWindowTransform.FlipX);
bool flipY = item.Transform.HasFlag(NativeWindowTransform.FlipY);
AspectRatio aspectRatio = _device.Configuration.AspectRatio;
bool isStretched = aspectRatio == AspectRatio.Stretched;
ImageCrop crop = new ImageCrop(
cropRect.Left,
cropRect.Right,
cropRect.Top,
cropRect.Bottom,
flipX,
flipY,
isStretched,
aspectRatio.ToFloatX(),
aspectRatio.ToFloatY());
TextureCallbackInformation textureCallbackInformation = new TextureCallbackInformation
{
Layer = layer,
Item = item
};
_device.Gpu.Window.EnqueueFrameThreadSafe(
layer.Owner,
frameBufferAddress,
frameBufferWidth,
frameBufferHeight,
0,
false,
gobBlocksInY,
format,
bytesPerPixel,
crop,
AcquireBuffer,
ReleaseBuffer,
textureCallbackInformation);
if (item.Fence.FenceCount == 0)
{
_device.Gpu.Window.SignalFrameReady();
_device.Gpu.GPFifo.Interrupt();
}
else
{
item.Fence.RegisterCallback(_device.Gpu, (x) =>
{
_device.Gpu.Window.SignalFrameReady();
_device.Gpu.GPFifo.Interrupt();
});
}
}
public void OnFrameAvailable(ref BufferItem item)
{
_device.Statistics.RecordGameFrameTime();
}
public void OnFrameReplaced(ref BufferItem item)
{
_device.Statistics.RecordGameFrameTime();
}
private void PostFrameBuffer(Layer layer, BufferItem item)
{
int frameBufferWidth = item.GraphicBuffer.Object.Width;
int frameBufferHeight = item.GraphicBuffer.Object.Height;
int nvMapHandle = item.GraphicBuffer.Object.Buffer.Surfaces[0].NvMapHandle;
if (nvMapHandle == 0)
{
nvMapHandle = item.GraphicBuffer.Object.Buffer.NvMapId;
}
int bufferOffset = item.GraphicBuffer.Object.Buffer.Surfaces[0].Offset;
NvMapHandle map = NvMapDeviceFile.GetMapFromHandle(layer.Owner, nvMapHandle);
ulong frameBufferAddress = (ulong)(map.Address + bufferOffset);
Format format = ConvertColorFormat(item.GraphicBuffer.Object.Buffer.Surfaces[0].ColorFormat);
int bytesPerPixel =
format == Format.B5G6R5Unorm ||
format == Format.R4G4B4A4Unorm ? 2 : 4;
int gobBlocksInY = 1 << item.GraphicBuffer.Object.Buffer.Surfaces[0].BlockHeightLog2;
// Note: Rotation is being ignored.
Rect cropRect = item.Crop;
bool flipX = item.Transform.HasFlag(NativeWindowTransform.FlipX);
bool flipY = item.Transform.HasFlag(NativeWindowTransform.FlipY);
ImageCrop crop = new ImageCrop(
cropRect.Left,
cropRect.Right,
cropRect.Top,
cropRect.Bottom,
flipX,
flipY);
// Enforce that dequeueBuffer wait for the next vblank
_vblankFence.NvFences[0].Value++;
TextureCallbackInformation textureCallbackInformation = new TextureCallbackInformation
{
Layer = layer,
Item = item,
Fence = _vblankFence
};
_device.Gpu.Window.EnqueueFrameThreadSafe(
frameBufferAddress,
frameBufferWidth,
frameBufferHeight,
0,
false,
gobBlocksInY,
format,
bytesPerPixel,
crop,
AcquireBuffer,
ReleaseBuffer,
textureCallbackInformation);
}
public Status AcquireBuffer(out BufferItem bufferItem, ulong expectedPresent)
{
lock (Core.Lock)
{
int numAcquiredBuffers = 0;
for (int i = 0; i < Core.MaxBufferCountCached; i++)
{
if (Core.Slots[i].BufferState == BufferState.Acquired)
{
numAcquiredBuffers++;
}
}
if (numAcquiredBuffers > Core.MaxAcquiredBufferCount)
{
bufferItem = null;
Logger.PrintDebug(LogClass.SurfaceFlinger, $"Max acquired buffer count reached: {numAcquiredBuffers} (max: {Core.MaxAcquiredBufferCount})");
return(Status.InvalidOperation);
}
if (Core.Queue.Count == 0)
{
bufferItem = null;
return(Status.NoBufferAvailaible);
}
if (expectedPresent != 0)
{
// TODO: support this for advanced presenting.
throw new NotImplementedException();
}
bufferItem = Core.Queue[0];
if (Core.StillTracking(ref bufferItem))
{
Core.Slots[bufferItem.Slot].AcquireCalled = true;
Core.Slots[bufferItem.Slot].NeedsCleanupOnRelease = true;
Core.Slots[bufferItem.Slot].BufferState = BufferState.Acquired;
Core.Slots[bufferItem.Slot].Fence = AndroidFence.NoFence;
ulong targetFrameNumber = Core.Slots[bufferItem.Slot].FrameNumber;
for (int i = 0; i < Core.BufferHistory.Length; i++)
{
if (Core.BufferHistory[i].FrameNumber == targetFrameNumber)
{
Core.BufferHistory[i].State = BufferState.Acquired;
break;
}
}
}
if (bufferItem.AcquireCalled)
{
bufferItem.GraphicBuffer.Reset();
}
Core.Queue.RemoveAt(0);
Core.CheckSystemEventsLocked(Core.GetMaxBufferCountLocked(true));
Core.SignalDequeueEvent();
}
return(Status.Success);
}
public virtual void OnFrameReplaced(ref BufferItem item)
{
_listener?.OnFrameReplaced(ref item);
}
public virtual void OnFrameAvailable(ref BufferItem item)
{
_listener?.OnFrameAvailable(ref item);
}
public override Status QueueBuffer(int slot, ref QueueBufferInput input, out QueueBufferOutput output)
{
output = default;
switch (input.ScalingMode)
{
case NativeWindowScalingMode.Freeze:
case NativeWindowScalingMode.ScaleToWindow:
case NativeWindowScalingMode.ScaleCrop:
case NativeWindowScalingMode.Unknown:
case NativeWindowScalingMode.NoScaleCrop:
break;
default:
return(Status.BadValue);
}
BufferItem item = new BufferItem();
IConsumerListener frameAvailableListener = null;
IConsumerListener frameReplaceListener = null;
lock (Core.Lock)
{
if (Core.IsAbandoned)
{
return(Status.NoInit);
}
int maxBufferCount = Core.GetMaxBufferCountLocked(input.Async != 0);
if (input.Async != 0 && Core.OverrideMaxBufferCount != 0 && Core.OverrideMaxBufferCount < maxBufferCount)
{
return(Status.BadValue);
}
if (slot < 0 || slot >= Core.Slots.Length || !Core.IsOwnedByProducerLocked(slot))
{
return(Status.BadValue);
}
if (!Core.Slots[slot].RequestBufferCalled)
{
Logger.PrintError(LogClass.SurfaceFlinger, $"Slot {slot} was queued without requesting a buffer");
return(Status.BadValue);
}
input.Crop.Intersect(Core.Slots[slot].GraphicBuffer.Object.ToRect(), out Rect croppedRect);
if (croppedRect != input.Crop)
{
return(Status.BadValue);
}
Core.Slots[slot].Fence = input.Fence;
Core.Slots[slot].BufferState = BufferState.Queued;
Core.FrameCounter++;
Core.Slots[slot].FrameNumber = Core.FrameCounter;
Core.Slots[slot].QueueTime = TimeSpanType.FromTimeSpan(ARMeilleure.State.ExecutionContext.ElapsedTime);
Core.Slots[slot].PresentationTime = TimeSpanType.Zero;
item.AcquireCalled = Core.Slots[slot].AcquireCalled;
item.Crop = input.Crop;
item.Transform = input.Transform;
item.TransformToDisplayInverse = (input.Transform & NativeWindowTransform.InverseDisplay) == NativeWindowTransform.InverseDisplay;
item.ScalingMode = input.ScalingMode;
item.Timestamp = input.Timestamp;
item.IsAutoTimestamp = input.IsAutoTimestamp != 0;
item.SwapInterval = input.SwapInterval;
item.FrameNumber = Core.FrameCounter;
item.Slot = slot;
item.Fence = input.Fence;
item.IsDroppable = Core.DequeueBufferCannotBlock || input.Async != 0;
item.GraphicBuffer.Set(Core.Slots[slot].GraphicBuffer);
item.GraphicBuffer.Object.IncrementNvMapHandleRefCount(Core.Owner);
Core.BufferHistoryPosition = (Core.BufferHistoryPosition + 1) % BufferQueueCore.BufferHistoryArraySize;
Core.BufferHistory[Core.BufferHistoryPosition] = new BufferInfo
{
FrameNumber = Core.FrameCounter,
QueueTime = Core.Slots[slot].QueueTime,
State = BufferState.Queued
};
_stickyTransform = input.StickyTransform;
if (Core.Queue.Count == 0)
{
Core.Queue.Add(item);
frameAvailableListener = Core.ConsumerListener;
}
else
{
BufferItem frontItem = Core.Queue[0];
if (frontItem.IsDroppable)
{
if (Core.StillTracking(ref frontItem))
{
Core.Slots[slot].BufferState = BufferState.Free;
Core.Slots[slot].FrameNumber = 0;
}
Core.Queue.RemoveAt(0);
Core.Queue.Insert(0, item);
frameReplaceListener = Core.ConsumerListener;
}
else
{
Core.Queue.Add(item);
frameAvailableListener = Core.ConsumerListener;
}
}
Core.BufferHasBeenQueued = true;
Core.SignalDequeueEvent();
Core.CheckSystemEventsLocked(maxBufferCount);
output = new QueueBufferOutput
{
Width = (uint)Core.DefaultWidth,
Height = (uint)Core.DefaultHeight,
TransformHint = Core.TransformHint,
NumPendingBuffers = (uint)Core.Queue.Count
};
_callbackTicket = _nextCallbackTicket++;
}
lock (_callbackLock)
{
while (_callbackTicket != _currentCallbackTicket)
{
Monitor.Wait(_callbackLock);
}
frameAvailableListener?.OnFrameAvailable(ref item);
frameReplaceListener?.OnFrameReplaced(ref item);
_currentCallbackTicket++;
Monitor.PulseAll(_callbackLock);
}
return(Status.Success);
}