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 static float ToFloat(this AspectRatio aspectRatio)
{
return(aspectRatio.ToFloatX() / aspectRatio.ToFloatY());
}