/// <summary>
/// Creates a new <see cref="ComputeImage2D"/> from an OpenGL 2D texture object.
/// </summary>
/// <param name="context"> A context with enabled CL/GL sharing. </param>
/// <param name="flags"> A bit-field that is used to specify usage information about the <see cref="ComputeImage2D"/>. Only <c>ComputeMemoryFlags.ReadOnly</c>, <c>ComputeMemoryFlags.WriteOnly</c> and <c>ComputeMemoryFlags.ReadWrite</c> are allowed. </param>
/// <param name="textureTarget"> One of the following values: GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, or GL_TEXTURE_RECTANGLE. Using GL_TEXTURE_RECTANGLE for texture_target requires OpenGL 3.1. Alternatively, GL_TEXTURE_RECTANGLE_ARB may be specified if the OpenGL extension GL_ARB_texture_rectangle is supported. </param>
/// <param name="mipLevel"> The mipmap level of the OpenGL 2D texture object to be used. </param>
/// <param name="textureId"> The OpenGL 2D texture object id to use. </param>
/// <returns> The created <see cref="ComputeImage2D"/>. </returns>
public static ComputeImage2D CreateFromGLTexture2D(IComputeContext context, ComputeMemoryFlags flags, int textureTarget, int mipLevel, int textureId)
{
ComputeErrorCode error = ComputeErrorCode.Success;
CLMemoryHandle image = CL10.CreateFromGLTexture2D(context.Handle, flags, textureTarget, mipLevel, textureId, out error);
ComputeException.ThrowOnError(error);
return(new ComputeImage2D(image, context, flags));
}
/// <summary>
/// Creates a new <see cref="OpenCLImage2D"/> from an OpenGL 2D texture object.
/// </summary>
/// <param name="context"> A <see cref="OpenCLContext"/> with enabled CL/GL sharing. </param>
/// <param name="flags"> A bit-field that is used to specify usage information about the <see cref="OpenCLImage2D"/>. Only <c>OpenCLMemoryFlags.ReadOnly</c>, <c>OpenCLMemoryFlags.WriteOnly</c> and <c>OpenCLMemoryFlags.ReadWrite</c> are allowed. </param>
/// <param name="textureTarget"> One of the following values: GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, or GL_TEXTURE_RECTANGLE. Using GL_TEXTURE_RECTANGLE for texture_target requires OpenGL 3.1. Alternatively, GL_TEXTURE_RECTANGLE_ARB may be specified if the OpenGL extension GL_ARB_texture_rectangle is supported. </param>
/// <param name="mipLevel"> The mipmap level of the OpenGL 2D texture object to be used. </param>
/// <param name="textureId"> The OpenGL 2D texture object id to use. </param>
/// <returns> The created <see cref="OpenCLImage2D"/>. </returns>
public static OpenCLImage2D CreateFromGLTexture2D(OpenCLContext context, OpenCLMemoryFlags flags, int textureTarget, int mipLevel, int textureId)
{
OpenCLErrorCode error = OpenCLErrorCode.Success;
CLMemoryHandle image = CL10.CreateFromGLTexture2D(context.Handle, flags, textureTarget, mipLevel, textureId, out error);
OpenCLException.ThrowOnError(error);
return(new OpenCLImage2D(image, context, flags));
}