internal unsafe static void UpdateVertexBuffer(InstancingId id)
{
var info = id.Info;
if (info.Capacity == 0)
{
return;
}
fixed(byte *ptr = info.Data)
{
if (Data[id.Index].VB == VertexBufferId.NULL)
{
Data[id.Index].VB = MyHwBuffers.CreateVertexBuffer(info.Capacity, info.Stride, new IntPtr(ptr), info.DebugName);
}
else
{
var vb = Data[id.Index].VB;
MyHwBuffers.ResizeVertexBuffer(vb, info.Capacity);
DataBox srcBox = new DataBox(new IntPtr(ptr));
ResourceRegion dstRegion = new ResourceRegion(0, 0, 0, info.Stride * info.Capacity, 1, 1);
MyRender11.ImmediateContext.UpdateSubresource(srcBox, vb.Buffer, 0, dstRegion);
}
}
}
static unsafe void CheckBufferSize(int requiredSize)
{
if (m_currentBufferSize < requiredSize)
{
m_currentBufferSize = (int)(requiredSize * 1.33f);
MyHwBuffers.ResizeVertexBuffer(m_VB, m_currentBufferSize);
}
}
internal unsafe void Update(MyRenderMessageDebugDrawMesh message)
{
edges = !message.Shaded;
depth = message.DepthRead;
if (message.VertexCount > vbuffer.Capacity)
{
MyHwBuffers.ResizeVertexBuffer(vbuffer, message.VertexCount);
}
var mapping = MyMapping.MapDiscard(MyPrimitivesRenderer.RC.DeviceContext, vbuffer.Buffer);
for (int i = 0; i < message.VertexCount; i++)
{
MyVertexFormatPositionColor vert = new MyVertexFormatPositionColor(Vector3.Transform(message.Vertices[i].Position, message.WorldMatrix), message.Vertices[i].Color);
mapping.WriteAndPosition(ref vert);
}
mapping.Unmap();
message.Vertices.Clear();
}
