internal static unsafe void UpdateCube(InstancingId id, List <MyCubeInstanceData> instanceData, int capacity)
{
Debug.Assert(id.Info.Type == MyRenderInstanceBufferType.Cube);
var info = id.Info;
var byteSize = info.Stride * capacity;
MyArrayHelpers.InitOrReserve(ref Instancings.Data[id.Index].Data, byteSize);
fixed(void *dst = Instancings.Data[id.Index].Data)
{
MyVertexFormatCubeInstance *ptr = (MyVertexFormatCubeInstance *)dst;
for (int i = 0; i < instanceData.Count; i++)
{
fixed(byte *pSource = instanceData[i].RawBones())
{
for (int j = 0; j < MyRender11Constants.CUBE_INSTANCE_BONES_NUM * 4; j++)
{
ptr[i].bones[j] = pSource[j];
}
}
ptr[i].translationRotation = instanceData[i].m_translationAndRot;
var colorMaskHSV = instanceData[i].ColorMaskHSV;
ptr[i].colorMaskHSV = colorMaskHSV;
}
}
Instancings.Data[id.Index].VisibleCapacity = capacity;
UpdateVertexBuffer(id);
}
internal static unsafe void RebuildGeneric(InstancingId instancingId)
{
ProfilerShort.Begin("RebuildGeneric");
Debug.Assert(instancingId.Info.Type == MyRenderInstanceBufferType.Generic);
if (Instancings.Data[instancingId.Index].InstanceData == null)
{
ProfilerShort.End();
Debug.Fail("Instance Data is null!");
return;
}
var info = instancingId.Info;
int capacity = Instancings.Data[instancingId.Index].InstanceData.Length;
for (int maskIndex = 0; maskIndex < Instancings.Data[instancingId.Index].TotalCapacity; ++maskIndex)
{
if (!Instancings.Data[instancingId.Index].VisibilityMask[maskIndex])
{
--capacity;
}
}
var byteSize = info.Stride * capacity;
MyArrayHelpers.InitOrReserve(ref Instancings.Data[instancingId.Index].Data, byteSize);
fixed(void *src = Instancings.Data[instancingId.Index].InstanceData)
{
fixed(void *dst = Instancings.Data[instancingId.Index].Data)
{
int currentIndex = 0;
for (int maskIndex = 0; maskIndex < Instancings.Data[instancingId.Index].TotalCapacity; ++maskIndex)
{
if (Instancings.Data[instancingId.Index].VisibilityMask[maskIndex])
{
SharpDX.Utilities.CopyMemory(new IntPtr(dst) + currentIndex * info.Stride, new IntPtr(src) + maskIndex * info.Stride, info.Stride);
++currentIndex;
}
}
}
}
Instancings.Data[instancingId.Index].VisibleCapacity = capacity;
UpdateVertexBuffer(instancingId);
ProfilerShort.End();
}