public void Bind()
{
if (DummyFrameBuffer == 0)
{
DummyFrameBuffer = GL.GenFramebuffer();
}
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, DummyFrameBuffer);
ImageHandler CachedImage;
for (int Attachment = 0; Attachment < RenderTargetsCount; Attachment++)
{
if (Attachments.Colors[Attachment] == OldAttachments.Colors[Attachment])
{
continue;
}
int Handle = 0;
if (Attachments.Colors[Attachment] != 0 &&
Texture.TryGetImageHandler(Attachments.Colors[Attachment], out CachedImage))
{
Handle = CachedImage.Handle;
}
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.ColorAttachment0 + Attachment,
Handle,
0);
}
if (Attachments.Zeta != OldAttachments.Zeta)
{
if (Attachments.Zeta != 0 && Texture.TryGetImageHandler(Attachments.Zeta, out CachedImage))
{
if (CachedImage.HasDepth && CachedImage.HasStencil)
{
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.DepthStencilAttachment,
CachedImage.Handle,
0);
}
else if (CachedImage.HasDepth)
{
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.DepthAttachment,
CachedImage.Handle,
0);
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.StencilAttachment,
0,
0);
}
else
{
throw new NotImplementedException();
}
}
else
{
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.DepthStencilAttachment,
0,
0);
}
}
if (OGLExtension.ViewportArray)
{
GL.ViewportArray(0, 8, Viewports);
}
else
{
GL.Viewport(
(int)Viewports[0],
(int)Viewports[1],
(int)Viewports[2],
(int)Viewports[3]);
}
if (Attachments.MapCount > 1)
{
GL.DrawBuffers(Attachments.MapCount, Attachments.Map);
}
else if (Attachments.MapCount == 1)
{
GL.DrawBuffer((DrawBufferMode)Attachments.Map[0]);
}
else
{
GL.DrawBuffer(DrawBufferMode.None);
}
OldAttachments.SetAndClear(Attachments);
}
public void Bind()
{
if (DummyFrameBuffer == 0)
{
DummyFrameBuffer = GL.GenFramebuffer();
}
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, DummyFrameBuffer);
ImageHandler CachedImage;
for (int Attachment = 0; Attachment < RenderTargetsCount; Attachment++)
{
long Key = Attachments.Colors[Attachment];
int Handle = 0;
if (Key != 0 && Texture.TryGetImageHandler(Key, out CachedImage))
{
Handle = CachedImage.Handle;
}
if (Handle == ColorHandles[Attachment])
{
continue;
}
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.ColorAttachment0 + Attachment,
Handle,
0);
ColorHandles[Attachment] = Handle;
}
if (Attachments.Zeta != 0 && Texture.TryGetImageHandler(Attachments.Zeta, out CachedImage))
{
if (CachedImage.Handle != ZetaHandle)
{
if (CachedImage.HasDepth && CachedImage.HasStencil)
{
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.DepthStencilAttachment,
CachedImage.Handle,
0);
}
else if (CachedImage.HasDepth)
{
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.DepthAttachment,
CachedImage.Handle,
0);
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.StencilAttachment,
0,
0);
}
else
{
throw new InvalidOperationException("Invalid image format \"" + CachedImage.Format + "\" used as Zeta!");
}
ZetaHandle = CachedImage.Handle;
}
}
else if (ZetaHandle != 0)
{
GL.FramebufferTexture(
FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.DepthStencilAttachment,
0,
0);
ZetaHandle = 0;
}
if (OGLExtension.ViewportArray)
{
GL.ViewportArray(0, RenderTargetsCount, Viewports);
}
else
{
GL.Viewport(
(int)Viewports[0],
(int)Viewports[1],
(int)Viewports[2],
(int)Viewports[3]);
}
if (Attachments.MapCount > 1)
{
GL.DrawBuffers(Attachments.MapCount, Attachments.Map);
}
else if (Attachments.MapCount == 1)
{
GL.DrawBuffer((DrawBufferMode)Attachments.Map[0]);
}
else
{
GL.DrawBuffer(DrawBufferMode.None);
}
OldAttachments.Update(Attachments);
}
