public void AddTexture(Texture2D tex, AttachmentUsage au)
{
if(!m_PrepareMode)
GL.BindFramebuffer(FramebufferTarget.Framebuffer, ID);
DeleteTexture(au, true);
if((tex != null) && (tex.Created))
{
tex.SetUseCount(tex.InternalUseCount + 1);
m_Textures.Add(new TextureAttachment(tex, au));
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, (FramebufferAttachment)au, TextureTarget.Texture2D, tex.ID, 0);
}
if(!m_PrepareMode)
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
public void UseAttachments(AttachmentUsage[] attachments)
{
if (!m_PrepareMode)
GL.BindFramebuffer(FramebufferTarget.Framebuffer, ID);
DrawBuffersEnum[] dbe = new DrawBuffersEnum[attachments.Length];
for (int i = 0; i < dbe.Length; i++)
{
if (attachments[i] == AttachmentUsage.DepthStencil)
throw new ArgumentException();
dbe[i] = (DrawBuffersEnum)attachments[i];
}
GL.DrawBuffers(attachments.Length, dbe);
if(!m_PrepareMode)
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
public TextureAttachment(Texture t, AttachmentUsage a)
{
tex = t;
au = a;
}
public void DeleteTexture(AttachmentUsage au, bool bound = false)
{
if(!(bound || m_PrepareMode))
GL.BindFramebuffer(FramebufferTarget.Framebuffer, ID);
TextureAttachment tata = null;
foreach(TextureAttachment ta in m_Textures)
{
if(ta.au == au)
{
tata = ta;
ta.tex.SetUseCount(ta.tex.InternalUseCount - 1);
GL.FramebufferTexture(FramebufferTarget.Framebuffer, (FramebufferAttachment)au, 0, 0);
}
}
if (tata != null)
m_Textures.Remove(tata);
if (!(bound || m_PrepareMode))
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
