C# ComputeMemoryFlags类代码示例

        private ComputeImage(CLMemoryHandle handle, ComputeContext context, ComputeMemoryFlags flags)
            : base(context, flags)
        {
            Handle = handle;

            Init();
        }

        /// <summary>
        /// Creates a new <see cref="ComputeImage2D"/> from a <c>Bitmap</c>.
        /// </summary>
        /// <param name="context"> A valid <see cref="ComputeContext"/> in which the <see cref="ComputeImage2D"/> is created. </param>
        /// <param name="flags"> A bit-field that is used to specify allocation and usage information about the <see cref="ComputeImage2D"/>. </param>
        /// <param name="bitmap"> The bitmap to use. </param>
        /// <remarks> Note that only bitmaps with <c>Alpha</c>, <c>Format16bppRgb555</c>, <c>Format16bppRgb565</c> or <c>Format32bppArgb</c> pixel formats are currently supported. </remarks>
        public ComputeImage2D(ComputeContext context, ComputeMemoryFlags flags, Bitmap bitmap)
            : base(context, flags)
        {
            unsafe
            {
                ComputeImageFormat format = Tools.ConvertImageFormat(bitmap.PixelFormat);
                BitmapData bitmapData = bitmap.LockBits(new Rectangle(new Point(), bitmap.Size), ImageLockMode.ReadOnly, bitmap.PixelFormat);

                ComputeErrorCode error = ComputeErrorCode.Success;
                Handle = CL10.CreateImage2D(
                    context.Handle,
                    flags,
                    &format,
                    new IntPtr(bitmap.Width),
                    new IntPtr(bitmap.Height),
                    new IntPtr(bitmapData.Stride),
                    bitmapData.Scan0,
                    &error);
                ComputeException.ThrowOnError(error);

                bitmap.UnlockBits(bitmapData);

                Init();
            }
        }

        private ComputeImage3D(IntPtr handle, ComputeContext context, ComputeMemoryFlags flags)
            : base(context, flags)
        {
            Handle = handle;

            Init();
        }

 /// <summary>
 /// 
 /// </summary>
 /// <param name="context"></param>
 /// <param name="flags"></param>
 /// <param name="packetSize"></param>
 /// <param name="maxPackets"></param>
 public ComputePipe(ComputeContext context, ComputeMemoryFlags flags, int packetSize, int maxPackets)
     : this(context, flags)
 {
     ComputeErrorCode error;
     Handle = CLInterface.CL20.CreatePipe(context.Handle, flags, packetSize, maxPackets, null, out error);
     ComputeException.ThrowOnError(error);
     Init();
 }

        public void CreateFloatBuffer(string key, float[] hostBuffer, ComputeMemoryFlags flags)
        {
            _floatBuffers.Add(key, hostBuffer);

            if (HardwareAccelerationEnabled)
            {
                _floatComputeBuffers.Add(key, new ComputeBuffer<float>(_context, flags, hostBuffer));
            }
        }

        /// <summary>
        /// Creates a new <see cref="ComputeImage3D"/>.
        /// </summary>
        /// <param name="context"> A valid <see cref="ComputeContext"/> in which the <see cref="ComputeImage3D"/> is created. </param>
        /// <param name="flags"> A bit-field that is used to specify allocation and usage information about the <see cref="ComputeImage3D"/>. </param>
        /// <param name="format"> A structure that describes the format properties of the <see cref="ComputeImage3D"/>. </param>
        /// <param name="width"> The width of the <see cref="ComputeImage3D"/> in pixels. </param>
        /// <param name="height"> The height of the <see cref="ComputeImage3D"/> in pixels. </param>
        /// <param name="depth"> The depth of the <see cref="ComputeImage3D"/> in pixels. </param>
        /// <param name="rowPitch"> The size in bytes of each row of elements of the <see cref="ComputeImage3D"/>. If <paramref name="rowPitch"/> is zero, OpenCL will compute the proper value based on <see cref="ComputeImage.Width"/> and <see cref="ComputeImage.ElementSize"/>. </param>
        /// <param name="slicePitch"> The size in bytes of each 2D slice in the <see cref="ComputeImage3D"/>. If <paramref name="slicePitch"/> is zero, OpenCL will compute the proper value based on <see cref="ComputeImage.RowPitch"/> and <see cref="ComputeImage.Height"/>. </param>
        /// <param name="data"> The data to initialize the <see cref="ComputeImage3D"/>. Can be <c>IntPtr.Zero</c>. </param>
        public ComputeImage3D(ComputeContext context, ComputeMemoryFlags flags, ComputeImageFormat format, int width, int height, int depth, long rowPitch, long slicePitch, IntPtr data)
            : base(context, flags)
        {
            ComputeErrorCode error = ComputeErrorCode.Success;
            Handle = CL10.CreateImage3D(context.Handle, flags, ref format, new IntPtr(width), new IntPtr(height), new IntPtr(depth), new IntPtr(rowPitch), new IntPtr(slicePitch), data, out error);
            ComputeException.ThrowOnError(error);

            Init();
        }

 public static new CLMemoryHandle CreateFromGLTexture3D(
     CLContextHandle context,
     ComputeMemoryFlags flags,
     Int32 target,
     Int32 miplevel,
     Int32 texture,
     out ComputeErrorCode errcode_ret)
 {
     Trace.WriteLine("WARNING! clCreateFromGLTexture3D has been deprecated in OpenCL 1.2.");
     return CL11.CreateFromGLTexture3D(context, flags, target, miplevel, texture, out errcode_ret);
 }

 public static new CLMemoryHandle CreateImage2D(
     CLContextHandle context,
     ComputeMemoryFlags flags,
     ref ComputeImageFormat image_format,
     IntPtr image_width,
     IntPtr image_height,
     IntPtr image_row_pitch,
     IntPtr host_ptr,
     out ComputeErrorCode errcode_ret)
 {
     Trace.WriteLine("WARNING! clCreateImage2D has been deprecated in OpenCL 1.2.");
     return CL11.CreateImage2D(context, flags, ref image_format, image_width, image_height, image_row_pitch, host_ptr, out errcode_ret);
 }

 public static extern ComputeErrorCode GetSupportedImageFormats(
     CLContextHandle context,
     ComputeMemoryFlags flags,
     ComputeMemoryType image_type,
     Int32 num_entries,
     [Out, MarshalAs(UnmanagedType.LPArray)] ComputeImageFormat[] image_formats,
     out Int32 num_image_formats);

 public static extern CLMemoryHandle CreateImage3D(
     CLContextHandle context,
     ComputeMemoryFlags flags,
     ref ComputeImageFormat image_format,
     IntPtr image_width,
     IntPtr image_height,
     IntPtr image_depth,
     IntPtr image_row_pitch,
     IntPtr image_slice_pitch,
     IntPtr host_ptr,
     out ComputeErrorCode errcode_ret);

 public static extern CLMemoryHandle CreateFromGLTexture3D(
     CLContextHandle context,
     ComputeMemoryFlags flags,
     Int32 target,
     Int32 miplevel,
     Int32 texture,
     out ComputeErrorCode errcode_ret);

 public static extern CLMemoryHandle CreateFromGLRenderbuffer(
     CLContextHandle context,
     ComputeMemoryFlags flags,
     Int32 renderbuffer,
     out ComputeErrorCode errcode_ret);

 public CLMemoryHandle CreateFromGLTexture2D(CLContextHandle context, ComputeMemoryFlags flags, Int32 target, Int32 miplevel, Int32 texture, out ComputeErrorCode errcode_ret)
 {
     return StaticCreateFromGLTexture2D(context, flags, target, miplevel, texture, out errcode_ret);
 }

 /// <summary>
 /// Gets a collection of supported <c>ComputeImage3D</c> <c>ComputeImageFormat</c>s in a <c>ComputeContext</c>.
 /// </summary>
 /// <param name="context"> The <c>ComputeContext</c> for which the collection of <c>ComputeImageFormat</c>s is queried. </param>
 /// <param name="flags"> The <c>ComputeMemoryFlags</c> for which the collection of <c>ComputeImageFormat</c>s is queried. </param>
 /// <returns> The collection of the required <c>ComputeImageFormat</c>s. </returns>
 public static ICollection<ComputeImageFormat> GetSupportedFormats(ComputeContext context, ComputeMemoryFlags flags)
 {
     return GetSupportedFormats(context, flags, ComputeMemoryType.Image3D);
 }

 public static unsafe extern IntPtr CreateSubBuffer(
     IntPtr buffer,
     ComputeMemoryFlags flags,
     ComputeBufferCreateType buffer_create_type,
     /* const void * */ IntPtr buffer_create_info,
     ComputeErrorCode* errcode_ret);