private static void CmdCopyBuffer(AmtCommandRecording recording, uint index)
{
Debug.Assert(recording != null, nameof(recording) + " is null");
var stage = recording.Blit;
Debug.Assert(stage != null, nameof(stage) + " is null");
Debug.Assert(stage.Encoder != null, nameof(stage.Encoder) + " is null");
Debug.Assert(stage.Grid != null, nameof(stage.Grid) + " is null");
AmtBlitCopyBufferRecord item = stage.Grid.CopyBuffers[index];
Debug.Assert(item.Regions != null, nameof(item.Regions) + " is null");
foreach (var region in item.Regions)
{
stage.Encoder.CopyFromBuffer(item.Src, region.SourceOffset, item.Dst, region.DestinationOffset, region.Size);
}
}
public void CopyBuffer(IMgBuffer srcBuffer, IMgBuffer dstBuffer, MgBufferCopy[] pRegions)
{
if (srcBuffer == null)
{
throw new ArgumentNullException(nameof(srcBuffer));
}
if (dstBuffer == null)
{
throw new ArgumentNullException(nameof(dstBuffer));
}
if (pRegions == null)
{
throw new ArgumentNullException(nameof(pRegions));
}
var bSrcBuffer = (AmtBuffer)srcBuffer;
var bDstBuffer = (AmtBuffer)dstBuffer;
var regions = new List <AmtBlitCopyBufferRegionRecord>();
for (var i = 0; i < pRegions.Length; ++i)
{
if (pRegions[i].SrcOffset > nuint.MaxValue)
{
throw new ArgumentOutOfRangeException(nameof(pRegions) + "[" + i + "].SrcOffset must be less than " + nuint.MaxValue);
}
if (pRegions[i].DstOffset > nuint.MaxValue)
{
throw new ArgumentOutOfRangeException(nameof(pRegions) + "[" + i + "].DstOffset must be less than " + nuint.MaxValue);
}
if (pRegions[i].Size > nuint.MaxValue)
{
throw new ArgumentOutOfRangeException(nameof(pRegions) + "[" + i + "].Size must be less than " + nuint.MaxValue);
}
regions.Add(new AmtBlitCopyBufferRegionRecord
{
Size = (nuint)pRegions[i].Size,
DestinationOffset = (nuint)pRegions[i].DstOffset,
SourceOffset = (nuint)pRegions[i].SrcOffset,
});
}
var item = new AmtBlitCopyBufferRecord
{
Src = bSrcBuffer.VertexBuffer,
Dst = bDstBuffer.VertexBuffer,
Regions = regions.ToArray(),
};
var nextIndex = mBag.CopyBuffers.Push(item);
mInstructions.Add(
new AmtEncodingInstruction
{
Category = AmtEncoderCategory.Blit,
Index = nextIndex,
Operation = CmdCopyBuffer,
}
);
}
