public static unsafe Texture LoadBitmap(BitmapLoadData loadData) { IBitmapImage bitmap = loadData.Bitmap; bool isTransparent = loadData.IsTransparent; Size size; bitmap.GetSize(out size); RECT rect = new RECT(0, 0, size.Width, size.Height); uint glFormat = gl.GL_RGB; uint glType = gl.GL_UNSIGNED_SHORT_5_6_5; if (isTransparent) { glFormat = gl.GL_RGBA; glType = gl.GL_UNSIGNED_BYTE; } Texture ret = new Texture(); uint tex; gl.GenTextures(1, &tex); ret.myName = tex; gl.BindTexture(gl.GL_TEXTURE_2D, ret.myName); gl.TexImage2D(gl.GL_TEXTURE_2D, 0, glFormat, size.Width, size.Height, 0, glFormat, glType, loadData.Data.Scan0); gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR); gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR); gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE); gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE); ret.myWidth = loadData.Width; ret.myHeight = size.Height; ret.myIsTransparent = isTransparent; return ret; }