public static DeviceImage CreateFromTexture2D(UInt32 texture, Int32 mipLevel, DeviceBufferAccess access, Context context)
{
CLError error = CLError.None;
CLMem mem = ManOCL.Internal.OpenCL.OpenGL.OpenCLGLDriver.clCreateFromGLTexture2D(context.CLContext, GetMemFlags(access), 3553 /* GL_TEXTURE_2D */, mipLevel, texture, ref error);
OpenCLError.Validate(error);
DeviceImage result = new DeviceImage(new Mem { Value = mem.Value });
return result;
}
internal static CLMemFlags GetMemFlags(DeviceBufferAccess access)
{
if (access == DeviceBufferAccess.ReadWrite)
{
return CLMemFlags.ReadWrite;
}
else if (access == DeviceBufferAccess.Read)
{
return CLMemFlags.ReadOnly;
}
else if (access == DeviceBufferAccess.Write)
{
return CLMemFlags.WriteOnly;
}
else
{
throw new ArgumentException();
}
}
internal static CLMemFlags GetMemFlags(DeviceBufferAccess access)
{
if (access == DeviceBufferAccess.ReadWrite)
{
return(CLMemFlags.ReadWrite);
}
else if (access == DeviceBufferAccess.Read)
{
return(CLMemFlags.ReadOnly);
}
else if (access == DeviceBufferAccess.Write)
{
return(CLMemFlags.WriteOnly);
}
else
{
throw new ArgumentException();
}
}
public static DeviceGlobalMemory CreateFromStructure <T>(T data, DeviceBufferAccess access, Context context) where T : struct
{
return(CreateInternal(data, new SizeT(Marshal.SizeOf(data.GetType())), GetMemFlags(access) | CLMemFlags.CopyHostPtr, context, access));
}
public static DeviceGlobalMemory CreateFromStructure <T>(T data, DeviceBufferAccess access) where T : struct
{
return(CreateFromStructure <T>(data, access, Context.Default));
}
public static DeviceGlobalMemory CreateFromArray(Array data, DeviceBufferAccess access, Context context)
{
return(CreateInternal(data, new SizeT(Marshal.SizeOf(data.GetType().GetElementType()) * data.Length), GetMemFlags(access) | CLMemFlags.CopyHostPtr, context, access));
}
public static DeviceGlobalMemory CreateFromArray(Array data, DeviceBufferAccess access)
{
return(CreateFromArray(data, access, Context.Default));
}
public static DeviceGlobalMemory CreateFromSize(Int64 sizeInBytes, DeviceBufferAccess access, Context context)
{
return(CreateInternal <Array>(null, new SizeT(sizeInBytes), GetMemFlags(access), context, access));
}
public static DeviceImage CreateFromTexture2D(UInt32 texture, DeviceBufferAccess access)
{
return CreateFromTexture2D(texture, 0, access, Context.Default);
}
public static HostMemory Create(Array data, DeviceBufferAccess access)
{
return(Create(Context.Default, data, access));
}
internal void InitializeInternal(CLMem openclMem, SizeT sizeInternal, Context context, DeviceBufferAccess access)
{
this.Access = access;
this.Context = context;
this.openCLMem = openclMem;
this.openCLMemSize = sizeInternal;
}
public static DeviceImage CreateFromTexture2D(UInt32 texture, DeviceBufferAccess access)
{
return(CreateFromTexture2D(texture, 0, access, Context.Default));
}
public static DeviceImage CreateFromTexture2D(UInt32 texture, Int32 mipLevel, DeviceBufferAccess access, Context context)
{
CLError error = CLError.None;
CLMem mem = ManOCL.Internal.OpenCL.OpenGL.OpenCLGLDriver.clCreateFromGLTexture2D(context.CLContext, GetMemFlags(access), 3553 /* GL_TEXTURE_2D */, mipLevel, texture, ref error);
OpenCLError.Validate(error);
DeviceImage result = new DeviceImage(new Mem {
Value = mem.Value
});
return(result);
}
public static HostMemory Create <T>(Context context, T data, DeviceBufferAccess access) where T : struct
{
return(CreateInternal(data, new SizeT(Marshal.SizeOf(data.GetType())), GetMemFlags(access) | CLMemFlags.AllocHostPtr | CLMemFlags.CopyHostPtr, context, access));
}
public static HostMemory Create <T>(T data, DeviceBufferAccess access) where T : struct
{
return(Create <T>(Context.Default, data, access));
}
public static DeviceGlobalMemory CreateFromBitmap(Bitmap bmp, Context context, DeviceBufferAccess access)
{
BitmapData bmpBits = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
try
{
return(CreateInternalFromHostPtr(new SizeT(bmpBits.Stride * bmpBits.Height), CLMemFlags.CopyHostPtr, context, access, bmpBits.Scan0));
}
finally
{
bmp.UnlockBits(bmpBits);
}
}
internal void InitializeInternal(CLMem openclMem, SizeT sizeInternal, Context context, DeviceBufferAccess access)
{
this.Access = access;
this.Context = context;
this.openCLMem = openclMem;
this.openCLMemSize = sizeInternal;
}
public static HostMemory Create(Context context, Int32 sizeInBytes, DeviceBufferAccess access)
{
return(CreateInternal <Array>(null, new SizeT(sizeInBytes), GetMemFlags(access) | CLMemFlags.AllocHostPtr, context, access));
}
