C# (CSharp) OpenTK.Graphics.OpenGL.TextureUnit Examples

Example #1

File: OpenGLRenderer.cs Project: PabloMessina/PUC-IIC3912_AdvancedComputerGraphics_FinalProject

        private int CreateTexture(Bitmap texture, TextureUnit unit, TextureMinFilter minFilter, TextureMagFilter magFilter)
        {
            int textureId = GL.GenTexture();

            GL.ActiveTexture(unit);
            GL.BindTexture(TextureTarget.Texture2D, textureId);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)minFilter);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)magFilter);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
            GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
            GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, texture.Width, texture.Height, 0,
                          PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);

            var bmpData = texture.LockBits(new Rectangle(0, 0, texture.Width, texture.Height),
                                           ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);

            GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, texture.Width, texture.Height, PixelFormat.Bgra,
                             PixelType.UnsignedByte, bmpData.Scan0);

            texture.UnlockBits(bmpData);

            GL.BindTexture(TextureTarget.Texture2D, 0);

            return(textureId);
        }

Example #2

File: OpenGLRenderer.cs Project: dgopena/Starter3D.Base

    private int CreateTexture(Bitmap texture, TextureUnit unit, TextureMinFilter minFilter, TextureMagFilter magFilter)
    {
      int textureId = GL.GenTexture();
      GL.ActiveTexture(unit);
      GL.BindTexture(TextureTarget.Texture2D, textureId);
      GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)minFilter);
      GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)magFilter);
      GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
      GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
      GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, texture.Width, texture.Height, 0,
        PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);

      var bmpData = texture.LockBits(new Rectangle(0, 0, texture.Width, texture.Height),
        ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);

      GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, texture.Width, texture.Height, PixelFormat.Bgra,
        PixelType.UnsignedByte, bmpData.Scan0);

      texture.UnlockBits(bmpData);

      GL.BindTexture(TextureTarget.Texture2D, 0);

      return textureId;
    }