private void ChangeScreenSize()
{
Disposer.Dispose(ref _gbuffer);
_gbuffer = new Framebuffer(_screenSize);
var albedoTexture = _gbuffer.AddColorTexture(FramebufferAttachment.ColorAttachment0, PixelInternalFormat.Rgba8, PixelFormat.Rgba); //albedo - xyz, spec intensity - w
var emissionTexture = _gbuffer.AddColorTexture(FramebufferAttachment.ColorAttachment1, PixelInternalFormat.Rgb8, PixelFormat.Rgb); //emission - xyz, spec power - w
var positionTexture = _gbuffer.AddColorTexture(FramebufferAttachment.ColorAttachment2, PixelInternalFormat.Rgb16f, PixelFormat.Rgba); //view position
var normalTexture = _gbuffer.AddColorTexture(FramebufferAttachment.ColorAttachment3, PixelInternalFormat.Rgba16f, PixelFormat.Rgba); //normal
var dataTexture = _gbuffer.AddColorTexture(FramebufferAttachment.ColorAttachment4, PixelInternalFormat.R16ui, PixelFormat.Red); //material id
if (_graphics.Backbuffer.DepthAttachment is Renderbuffer)
{
_gbuffer.AttachRenderbuffer(FramebufferAttachment.DepthAttachment, (Renderbuffer)_graphics.Backbuffer.DepthAttachment);
}
else
{
_gbuffer.AttachTexture(FramebufferAttachment.DepthAttachment, (Texture2)_graphics.Backbuffer.DepthAttachment);
}
_secondPassMaterial.SetTexture("uniform_AlbedoTexture", albedoTexture);
_secondPassMaterial.SetTexture("uniform_EmissionTexture", emissionTexture);
_secondPassMaterial.SetTexture("uniform_NormalTexture", normalTexture);
_secondPassMaterial.SetTexture("uniform_PositionTexture", positionTexture);
_secondPassMaterial.SetTexture("uniform_DataTexture", dataTexture);
//Texture2 depthTexture = null;
//if (depthTexture != null)
// _secondPassMaterial.SetTexture("uniform_DepthTexture", depthTexture);
}
public UIRender(Renderbuffer renderBuffer)
{
this._screenSize = renderBuffer.Size;
_context = GL.GetCurrent(true);
_shader = new UIShader();
_renderBuffer = renderBuffer;
_framebuffer = new Framebuffer(_screenSize);
_framebuffer.AttachRenderbuffer(FramebufferAttachment.ColorAttachment0, renderBuffer);
_idTexture = _framebuffer.AddColorTexture(Core.FramebufferAttachment.ColorAttachment1, PixelInternalFormat.R32ui, PixelFormat.Red);
_framebuffer.CheckStatus(true);
}