public void BindMemory(SoftwareDeviceMemory memory, int memoryOffset)
{
this.m_deviceMemory = memory;
this.m_memoryOffset = memoryOffset;
if (createInfo.usage.HasFlag(VkBufferUsageFlagBits.VK_BUFFER_USAGE_VERTEX_BUFFER_BIT))
{
m_VertexBufferCache = new VertexBufferCache(memory.m_bytes, memoryOffset);
}
}
protected virtual void ProcessVertexBuffer(DynamicModelContent dynamicModel, ContentProcessorContext context, DynamicModelMeshPartContent part)
{
if (VertexBufferType != DynamicModelContent.BufferType.Default)
{
// Replace the default VertexBufferContent with CpuAnimatedVertexBufferContent.
if (!VertexBufferCache.TryGetValue(part.VertexBuffer, out var vb))
{
vb = part.VertexBuffer;
vb.IsWriteOnly = VertexBufferType == DynamicModelContent.BufferType.DynamicWriteOnly;
VertexBufferCache[part.VertexBuffer] = vb;
}
part.VertexBuffer = vb;
}
}
public void Flush(CommandList cl)
{
var posInBuffer = bufferPos % buffer.Length;
var bufferCount = (bufferPos - posInBuffer) / buffer.Length + 1;
if (posInBuffer == 0)
{
bufferCount--;
posInBuffer = buffer.Length;
}
if (bufferCount == 0)
{
return;
}
while (VertexBufferCache.Count < bufferCount)
{
var newBuffer = Factory.CreateBuffer(new BufferDescription((uint)(buffer.Length * itemSizeInBytes), BufferUsage.VertexBuffer | BufferUsage.Dynamic));
VertexBufferCache.Add(newBuffer);
}
var bufferToWrite = VertexBufferCache[bufferCount - 1];
lock (GraphicsDevice)
GraphicsDevice.UpdateBuffer(bufferToWrite, 0, ref buffer[0], (uint)(posInBuffer * itemSizeInBytes));
cl.SetVertexBuffer(0, bufferToWrite);
if (indices == null)
{
cl.Draw((uint)posInBuffer);
}
else
{
cl.SetIndexBuffer(IndexBuffer, IndexFormat.UInt32);
if (posInBuffer % vertsPerShape != 0)
{
throw new Exception("Submitted an incomplete shape to the buffer flushing");
}
cl.DrawIndexed((uint)(posInBuffer / vertsPerShape * indicesPerShape));
}
}