Exemple #1
0
        /// <summary>
        /// Unpacks the texture minification filter.
        /// This defines the filtering used when the texture covers an area on the screen
        /// that is smaller than the texture size.
        /// </summary>
        /// <returns>The minification filter</returns>
        public MinFilter UnpackMinFilter()
        {
            SamplerMinFilter minFilter = (SamplerMinFilter)((Word1 >> 4) & 3);
            SamplerMipFilter mipFilter = (SamplerMipFilter)((Word1 >> 6) & 3);

            return(ConvertFilter(minFilter, mipFilter));
        }
Exemple #2
0
        /// <summary>
        /// Converts two minification and filter enum, to a single minification enum,
        /// including mipmap filtering information, as expected from the host API.
        /// </summary>
        /// <param name="minFilter">The minification filter</param>
        /// <param name="mipFilter">The mipmap level filter</param>
        /// <returns>The combined, host API compatible filter enum</returns>
        private static MinFilter ConvertFilter(SamplerMinFilter minFilter, SamplerMipFilter mipFilter)
        {
            switch (mipFilter)
            {
            case SamplerMipFilter.None:
                switch (minFilter)
                {
                case SamplerMinFilter.Nearest: return(MinFilter.Nearest);

                case SamplerMinFilter.Linear:  return(MinFilter.Linear);
                }
                break;

            case SamplerMipFilter.Nearest:
                switch (minFilter)
                {
                case SamplerMinFilter.Nearest: return(MinFilter.NearestMipmapNearest);

                case SamplerMinFilter.Linear:  return(MinFilter.LinearMipmapNearest);
                }
                break;

            case SamplerMipFilter.Linear:
                switch (minFilter)
                {
                case SamplerMinFilter.Nearest: return(MinFilter.NearestMipmapLinear);

                case SamplerMinFilter.Linear:  return(MinFilter.LinearMipmapLinear);
                }
                break;
            }

            return(MinFilter.Nearest);
        }
Exemple #3
0
 /// <summary>
 /// Default SamplerStateDescription values.
 /// </summary>
 public void SetDefault()
 {
     AddressModeU    = SamplerAddressMode.ClampToEdge;
     AddressModeV    = SamplerAddressMode.ClampToEdge;
     AddressModeW    = SamplerAddressMode.ClampToEdge;
     MagFilter       = SamplerMinMagFilter.Nearest;
     MinFilter       = SamplerMinMagFilter.Nearest;
     MipmapFilter    = SamplerMipFilter.Nearest;
     MaxAnisotropy   = 1;
     LodMinClamp     = 0.0f;
     LodMaxClamp     = float.MaxValue;
     CompareFunction = CompareFunction.Never;
     BorderColor     = SamplerBorderColor.TransparentBlack;
 }