public void Use(int width, int height)
{
#if nomsaa
return;
#else
if (width <= 0 || height <= 0)
{
return;
}
SafeFrameBuffer.BindFramebuffer(FramebufferTarget.Framebuffer, Framebuffer);
if (width != Width || height != Height)
{
Width = width;
Height = height;
System.Diagnostics.Debug.WriteLine("width: " + width + " height: " + height);
SafeFrameBuffer.BindRenderbuffer(RenderbufferTarget.Renderbuffer, _renderbuffer);
SafeFrameBuffer.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer, MSAA, RenderbufferStorage.Rgba8, width, height);
SafeFrameBuffer.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, RenderbufferTarget.Renderbuffer, _renderbuffer);
SafeFrameBuffer.BindRenderbuffer(RenderbufferTarget.Renderbuffer, 0);
ErrorCheck();
}
ErrorCheck();
GL.Clear(ClearBufferMask.ColorBufferBit);
#endif
}
public void Use(int width, int height)
{
#if nomsaa
return;
#else
if (width <= 0 || height <= 0)
{
return;
}
SafeFrameBuffer.BindFramebuffer(FramebufferTarget.Framebuffer, Framebuffer);
if (width != Width || height != Height)
{
Width = width;
Height = height;
SafeFrameBuffer.BindRenderbuffer(RenderbufferTarget.Renderbuffer, _renderbuffer);
SafeFrameBuffer.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer, MSAA, RenderbufferStorage.Rgba8, width, height);
SafeFrameBuffer.BindRenderbuffer(RenderbufferTarget.Renderbuffer, _stencilbuffer);
SafeFrameBuffer.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer, MSAA, RenderbufferStorage.Depth24Stencil8, width, height);
SafeFrameBuffer.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.StencilAttachment, RenderbufferTarget.Renderbuffer, _stencilbuffer);
SafeFrameBuffer.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, RenderbufferTarget.Renderbuffer, _renderbuffer);
SafeFrameBuffer.BindRenderbuffer(RenderbufferTarget.Renderbuffer, 0);
ErrorCheck();
}
ErrorCheck();
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.StencilBufferBit);
#endif
}
public MsaaFbo()
{
Framebuffer = SafeFrameBuffer.GenFramebuffer();
SafeFrameBuffer.BindFramebuffer(FramebufferTarget.Framebuffer, Framebuffer);
_renderbuffer = SafeFrameBuffer.GenRenderbuffer();
MSAA = Math.Min(8, GL.GetInteger(GetPName.MaxSamples));
SafeFrameBuffer.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
public void End()
{
#if nomsaa
return;
#else
SafeFrameBuffer.BindFramebuffer(FramebufferTarget.DrawFramebuffer, 0);//default
SafeFrameBuffer.BindFramebuffer(FramebufferTarget.ReadFramebuffer, Framebuffer);
SafeFrameBuffer.BlitFramebuffer(0, 0, Width, Height,
0, 0, Width, Height,
ClearBufferMask.ColorBufferBit,
BlitFramebufferFilter.Linear);
ErrorCheck();
SafeFrameBuffer.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
#endif
}