public void Blit()
{
if (msaa)
{
NativeGL.nglBlitFBO(FBO, WRITE_FBO, width, height);
}
}
public void Dispose()
{
if (Disposed)
{
return;
}
Disposed = true;
NativeGL.nglDeleteFramebuffer(FBO);
Opengl32.glDeleteTextures(1, new int[] { Texture });
}
public static int LoadTexture(Bitmap bmp)
{
BitmapData dat = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
IntPtr rgba = Marshal.AllocHGlobal(4 * bmp.Width * bmp.Height);
NativeGL.nglARGBtoRGBA(rgba, dat.Scan0, bmp.Width * bmp.Height);
int tex = LoadTexture(rgba, bmp.Width, bmp.Height);
bmp.UnlockBits(dat);
Marshal.FreeHGlobal(rgba);
return(tex);
}
public FrameBufferObject(int width, int height, int samples = 0)
{
Console.WriteLine("Create FBO {0}", Thread.CurrentThread.ManagedThreadId);
this.width = width;
this.height = height;
this.msaa = samples > 0;
if (!this.msaa)
{
Texture = Util.LoadTexture(IntPtr.Zero, width, height);
FBO = NativeGL.nglCreateFBO(Texture, width, height);
}
else
{
int tex = 0;
texture1 = Util.LoadTexture(IntPtr.Zero, width, height);
FBO = NativeGL.nglCreateFBOMultisampling(ref tex, width, height, samples);
WRITE_FBO = NativeGL.nglCreateFBO(texture1, width, height);
this.Texture = texture1;
}
}
public void Unbind()
{
NativeGL.nglBindFramebuffer(0);
}
public void Bind()
{
NativeGL.nglBindFramebuffer(FBO);
}
