public void Add(GLCmdEncodingInstruction inst)
{
var currentIndex = (uint)mInstructions.Count;
mInstructions.Add(new GLCmdRecordInstruction
{
Index = inst.Index,
Operation = inst.Operation,
});
if (mCurrentContext == null)
{
InitializeNewContext(inst, currentIndex);
}
else
{
if (mCurrentContext.Category == inst.Category)
{
mCurrentContext.Last = currentIndex;
}
else
{
InitializeNewContext(inst, currentIndex);
}
}
}
void InitializeNewContext(GLCmdEncodingInstruction inst, uint currentIndex)
{
mCurrentContext = new GLCmdEncoderContext
{
Category = inst.Category,
First = currentIndex,
Last = currentIndex,
};
mContexts.Add(mCurrentContext);
}
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));
}
var bSrcBuffer = (IGLBuffer)srcBuffer;
Debug.Assert(bSrcBuffer.IsBufferType);
var bDstBuffer = (IGLBuffer)dstBuffer;
Debug.Assert(bDstBuffer.IsBufferType);
var copyParams = new List <GLCmdCopyBufferRegionRecord>();
for (var i = 0; i < pRegions.Length; i += 1)
{
var region = pRegions[i];
if (region.SrcOffset > (ulong)long.MaxValue)
{
throw new InvalidOperationException(nameof(pRegions) + "[" + i + "].SrcOffset is greater than long.MaxValue");
}
if (region.DstOffset > (ulong)long.MaxValue)
{
throw new InvalidOperationException(nameof(pRegions) + "[" + i + "].DstOffset is greater than long.MaxValue");
}
if (region.Size > (ulong)int.MaxValue)
{
throw new InvalidOperationException(nameof(pRegions) + "[" + i + "].Size is greater than int.MaxValue");
}
var bufferParam = new GLCmdCopyBufferRegionRecord
{
ReadOffset = new IntPtr((long)region.SrcOffset),
WriteOffset = new IntPtr((long)region.DstOffset),
Size = (int)region.Size,
};
copyParams.Add(bufferParam);
}
var item = new GLCmdCopyBufferRecord
{
Source = bSrcBuffer.BufferId,
Destination = bDstBuffer.BufferId,
Regions = copyParams.ToArray(),
};
var nextIndex = mBag.CopyBuffers.Push(item);
var instruction = new GLCmdEncodingInstruction
{
Category = GLCmdEncoderCategory.Blit,
Index = nextIndex,
Operation = CmdCopyBuffer,
};
mInstructions.Add(instruction);
}