private void Create(OGLBufferDesc desc)
{
mFormat = desc.Format;
mType = desc.Type;
mWidth = desc.Width;
mHeight = desc.Height;
mDepth = desc.Depth;
if (desc.Format == Format.Unknown)
{
throw new OptixException("OGLBuffer Error: Unknown buffer types not supported");
}
if (desc.Format == Format.User && desc.ElemSize <= 0)
{
throw new OptixException("D3DBuffer Error: ElemSize must be non-zero for User formats.");
}
if (desc.Type == BufferType.InputOutputLocal)
{
throw new OptixException("OGLBuffer Error: BufferType::InputOutputLocal Unsupported!");
}
uint type = (uint)desc.Type;
CheckError(GlInterop.rtBufferCreateFromGLBO(mContext.InternalPtr, type, desc.Resource, ref InternalPtr));
CheckError(Api.rtBufferSetFormat(InternalPtr, (RTformat)desc.Format));
if (desc.Format == Format.User)
{
CheckError(Api.rtBufferSetElementSize(InternalPtr, (uint)desc.ElemSize));
}
SetSize(desc.Width, desc.Height, desc.Depth);
}
public OGLBuffer(Context c, OGLBufferDesc desc) : base(c)
{
Create(desc);
}
