Microsoft.Xna.Framework.Graphics.GraphicsExtensions.CheckGLError C# (CSharp) Method

        public static void CheckGLError()
        {
#if GLES
            var error = GL.GetErrorCode();
#else
            var error = GL.GetError();
#endif
            if (error != ErrorCode.NoError)
                throw new MonoGameGLException("GL.GetError() returned " + error.ToString());
        }
#endif

        internal void Activate(TextureTarget target, bool useMipmaps = false)
        {
            switch (Filter)
            {
            case TextureFilter.Point:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapNearest : TextureMinFilter.Nearest));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
                GraphicsExtensions.CheckGLError();
                break;

            case TextureFilter.Linear:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
                GraphicsExtensions.CheckGLError();
                break;

            case TextureFilter.Anisotropic:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, MathHelper.Clamp(this.MaxAnisotropy, 1.0f, SamplerState.MaxTextureMaxAnisotropy));
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
                GraphicsExtensions.CheckGLError();
                break;

            case TextureFilter.PointMipLinear:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapLinear : TextureMinFilter.Nearest));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
                GraphicsExtensions.CheckGLError();
                break;

            case TextureFilter.LinearMipPoint:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapNearest : TextureMinFilter.Linear));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
                GraphicsExtensions.CheckGLError();
                break;

            case TextureFilter.MinLinearMagPointMipLinear:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapLinear : TextureMinFilter.Linear));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
                GraphicsExtensions.CheckGLError();
                break;

            case TextureFilter.MinLinearMagPointMipPoint:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.LinearMipmapNearest: TextureMinFilter.Linear));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
                GraphicsExtensions.CheckGLError();
                break;

            case TextureFilter.MinPointMagLinearMipLinear:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapLinear: TextureMinFilter.Nearest));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
                GraphicsExtensions.CheckGLError();
                break;

            case TextureFilter.MinPointMagLinearMipPoint:
                if (GraphicsCapabilities.SupportsTextureFilterAnisotropic)
                {
                    GL.TexParameter(target, TextureParameterNameTextureMaxAnisotropy, 1.0f);
                    GraphicsExtensions.CheckGLError();
                }
                GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)(useMipmaps ? TextureMinFilter.NearestMipmapNearest: TextureMinFilter.Nearest));
                GraphicsExtensions.CheckGLError();
                GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
                GraphicsExtensions.CheckGLError();
                break;

            default:
                throw new NotSupportedException();
            }

            // Set up texture addressing.
            GL.TexParameter(target, TextureParameterName.TextureWrapS, (int)GetWrapMode(AddressU));
            GraphicsExtensions.CheckGLError();
            GL.TexParameter(target, TextureParameterName.TextureWrapT, (int)GetWrapMode(AddressV));
            GraphicsExtensions.CheckGLError();
#if !GLES
            // LOD bias is not supported by glTexParameter in OpenGL ES 2.0
            GL.TexParameter(target, TextureParameterName.TextureLodBias, MipMapLevelOfDetailBias);
            GraphicsExtensions.CheckGLError();
#endif
        }