public Texture(opengl::PixelFormat format, int width, int height, IntPtr pixels)
{
glID = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, glID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, width, height, 0, format, PixelType.UnsignedByte, pixels);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
//Cleanup
GL.BindTexture(TextureTarget.Texture2D, 0);
}
public Texture(String fileName, imaging::PixelFormat imageFormat, opengl::PixelFormat format)
{
glID = GL.GenTexture();
using (Bitmap bitmap = new Bitmap(fileName))
{
bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
BitmapData imageData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, imageFormat);
GL.BindTexture(TextureTarget.Texture2D, glID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, bitmap.Width, bitmap.Height, 0, format, PixelType.UnsignedByte, imageData.Scan0);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
//Cleanup
GL.BindTexture(TextureTarget.Texture2D, 0);
bitmap.UnlockBits(imageData);
}
}
public static Texture CreateTextureFromFile(String filePath, imaging::PixelFormat imageFormat, opengl::PixelFormat pixelFormat)
{
using (Bitmap bitmap = new Bitmap(filePath))
{
bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
BitmapData imageData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, imageFormat);
var texture = new Texture(pixelFormat, bitmap.Width, bitmap.Height, imageData.Scan0);
bitmap.UnlockBits(imageData);
return(texture);
}
}
