/// <summary>
/// Creates a new <see cref="ComputeImageFormat"/>.
/// </summary>
/// <param name="channelOrder"> The number of channels and the channel layout i.e. the memory layout in which channels are stored in the <see cref="ComputeImage"/>. </param>
/// <param name="channelType"> The type of the channel data. The number of bits per element determined by the <paramref name="channelType"/> and <paramref name="channelOrder"/> must be a power of two. </param>
public ComputeImageFormat(ComputeImageChannelOrder channelOrder, ComputeImageChannelType channelType)
{
this.channelOrder = channelOrder;
this.channelType = channelType;
}
/// <summary>Unsafe allocation of memory</summary>
/// <param name="p">Pointer to data</param>
/// <param name="DataType">Data type: float, uint8 (byte), int32, etc.</param>
private unsafe void CLMalloc(void* p, ComputeImageChannelType DataType)
{
ComputeImageFormat format = new ComputeImageFormat(ComputeImageChannelOrder.Rgba, DataType);
if (OriginalVarLength != 4 * width * height) throw new Exception("Vector length should be 4*width*height");
VarPointer = new ComputeImage2D(Program.Context, ComputeMemoryFlags.ReadWrite | ComputeMemoryFlags.CopyHostPointer, format, width, height, 0, new IntPtr(p));
}
/// <summary>
/// Creates a new <see cref="ComputeImageFormat"/>.
/// </summary>
/// <param name="channelOrder"> The number of channels and the channel layout i.e. the memory layout in which channels are stored in the <see cref="ComputeImage"/>. </param>
/// <param name="channelType"> The type of the channel data. The number of bits per element determined by the <paramref name="channelType"/> and <paramref name="channelOrder"/> must be a power of two. </param>
public ComputeImageFormat(ComputeImageChannelOrder channelOrder, ComputeImageChannelType channelType)
{
this.channelOrder = channelOrder;
this.channelType = channelType;
}
/// <summary>Constructor.</summary>
/// <param name="Type">Type that will be allocated in device memory. (Empty allocation)</param>
/// <param name="Width">Image width.</param>
/// <param name="Height">Image height.</param>
public Image2D(ComputeImageChannelType Type, int Width, int Height)
{
//Aloca memoria no contexto especificado
width = Width;
height = Height;
OriginalVarLength = width * height * 4;
VarSize = OriginalVarLength;
CLMalloc(Type);
}
