/// <summary>
/// Constructor of the <see cref="MemoryObject"/> object. Don't use this constructor, use <see cref="SharpCL.Context"/> methods to create <see cref="Buffer"/>s and <see cref="Image"/>s.
/// </summary>
public MemoryObject(IntPtr handle, Context context, MemoryObjectType objectType, MemoryFlags memoryFlags)
{
Handle = handle;
Context = context;
MemoryObjectType = objectType;
MemoryFlags = memoryFlags;
}
private extern static ErrorCode clGetSupportedImageFormats(
IntPtr context,
MemoryFlags flags,
MemoryObjectType image_type,
UInt32 num_entries,
[Out, MarshalAs(UnmanagedType.LPArray)] ImageFormat[] image_formats,
out UInt32 num_image_formats);
/// <summary>
/// Constructor of the <see cref="Image"/> object. Don't use this constructor, use CreateImage* methods of <see cref="Context"/> object instead.
/// </summary>
public Image(IntPtr handle, Context context, MemoryObjectType objectType, MemoryFlags memoryFlags, Size size, UInt64 arraySize, ImageChannelOrder channelOrder, ImageChannelType channelType) :
base(handle, context, objectType, memoryFlags)
{
Size = size;
ArraySize = arraySize;
ChannelOrder = channelOrder;
ChannelType = channelType;
}
public static extern Result GetSupportedImageFormats(
[In] IntPtr context,
[In][MarshalAs(UnmanagedType.U8)] MemoryFlag flags,
[In][MarshalAs(UnmanagedType.U4)] MemoryObjectType imageType,
[In][MarshalAs(UnmanagedType.U4)] uint numberOfEntries,
[Out][MarshalAs(UnmanagedType.LPArray)] ImageFormat[] imageFormats,
[Out][MarshalAs(UnmanagedType.U4)] out uint numberOfImageFormats
);
/// <summary>
/// Return the list of the supported <see cref="Image"/> formats as a list of <see cref="ImageFormat"/>.
/// </summary>
/// <param name="type">The type of image.</param>
/// <param name="flags">A bit-field that is used to specify allocation and usage information about the image.</param>
/// <returns></returns>
public List <ImageFormat> SupportedImageFormats(MemoryObjectType type, MemoryFlags flags)
{
error = clGetSupportedImageFormats(Handle, flags, type, 0, null, out UInt32 formatCount);
if (error != ErrorCode.Success)
{
return(null);
}
ImageFormat[] formats = new ImageFormat[formatCount];
error = clGetSupportedImageFormats(Handle, flags, type, formatCount, formats, out _);
if (error != ErrorCode.Success)
{
return(null);
}
return(new List <ImageFormat>(formats));
}
/// <summary>
/// Constructor of the <see cref="Buffer"/> object. Don't use this constructor, use <see cref="Context.CreateBuffer{DataType}(DataType[], MemoryFlags)"/> or <see cref="Context.CreateBuffer{DataType}(ulong, MemoryFlags)"/> instead.
/// </summary>
public Buffer(IntPtr handle, Context context, UInt64 length, UInt64 itemSize, MemoryObjectType objectType, MemoryFlags memoryFlags) : base(handle, context, objectType, memoryFlags)
{
Length = length;
ItemSize = itemSize;
}
