public void BindFramebuffer(GLFramebufferTarget target, GLFramebufferHandle fb)
{
//if (!AppDomain.CurrentDomain.IsDefaultAppDomain())
// System.Diagnostics.Debug.WriteLine(AppDomain.CurrentDomain.FriendlyName + " bound " + fb);
_currentFramebufferBinding = fb;
GL.BindFramebuffer((FramebufferTarget)target, (int)fb);
}
public void Flush(NSOpenGLContext ctx)
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.Flush(); // We flush to be sure the framebuffer texture has the data we want
SurfaceRendered.OnNext(_backbuffer.Value.Surface);
Swap();
}
private void CreateFramebuffer()
{
this.glControl.MakeCurrent();
if (this.framebufferId > 0)
{
GL.DeleteFramebuffer(this.framebufferId);
}
if (this.depthbufferId > 0)
{
GL.DeleteRenderbuffer(this.depthbufferId);
}
if (this.colorbufferId > 0)
{
GL.DeleteRenderbuffer(this.colorbufferId);
}
this.framebufferId = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, this.framebufferId);
this.colorbufferId = GL.GenRenderbuffer();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, this.colorbufferId);
GL.RenderbufferStorage(
RenderbufferTarget.Renderbuffer,
RenderbufferStorage.Rgba8,
this.size.Width,
this.size.Height);
GL.FramebufferRenderbuffer(
FramebufferTarget.Framebuffer,
FramebufferAttachment.ColorAttachment0,
RenderbufferTarget.Renderbuffer,
this.colorbufferId);
this.depthbufferId = GL.GenRenderbuffer();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, this.depthbufferId);
GL.RenderbufferStorage(
RenderbufferTarget.Renderbuffer,
RenderbufferStorage.DepthComponent24,
this.size.Width,
this.size.Height);
GL.FramebufferRenderbuffer(
FramebufferTarget.Framebuffer,
FramebufferAttachment.DepthAttachment,
RenderbufferTarget.Renderbuffer,
this.depthbufferId);
FramebufferErrorCode error = GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if (error != FramebufferErrorCode.FramebufferComplete)
{
throw new Exception();
}
this.loaded = true;
}
private void _ClearTexture(COGLTexture texture)
{
if (texture.DataSize.Equals(texture.Size))
{
return;
}
GL.BindFramebuffer(OpenTK.Graphics.OpenGL.FramebufferTarget.Framebuffer, _FBO);
GL.FramebufferTexture2D(OpenTK.Graphics.OpenGL.FramebufferTarget.Framebuffer, OpenTK.Graphics.OpenGL.FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D,
texture.Name, 0);
GL.ClearColor(Color.FromArgb(0));
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.ClearColor(Color.Black);
GL.BindFramebuffer(OpenTK.Graphics.OpenGL.FramebufferTarget.Framebuffer, 0);
}
internal void Prepare(Size framebuffersize)
{
if (GraphicsContext.CurrentContext != this.glControl.Context)
{
this.glControl.MakeCurrent();
}
if (framebuffersize != this.size || this.loaded == false)
{
this.size = framebuffersize;
this.CreateFramebuffer();
GL.Viewport(0, 0, framebuffersize.Width, framebuffersize.Height);
this.scene.Camera.ResizeViewport(framebuffersize.Width, framebuffersize.Height);
Matrix4 projMatrix = scene.Camera.ProjMatrix;
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(ref projMatrix);
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, this.framebufferId);
}
public static FramebufferInfo CreateFramebuffer(this IOSurface surface)
{
var size = surface.Size.Max(1, 1);
var handles = new int[1];
GL.GenFramebuffers(1, handles);
var handle = new FramebufferHandle(handles[0]);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, handle);
var depthbuffer = CreateDepthBuffer(size);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, RenderbufferTarget.Renderbuffer, depthbuffer);
var colorbuffer = IOSurfaceTexture.Create(size, surface);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.TextureRectangle, colorbuffer, 0);
CheckStatus();
return(new FramebufferInfo(handle, depthbuffer, Optional.None(), colorbuffer));
}
public void BindFramebuffer(GLFramebufferTarget target, GLFramebufferHandle fb)
{
_currentFramebufferBinding = fb;
MacGL.BindFramebuffer((FramebufferTarget)target, (int)fb);
}
