public float[] ReadAttachment(FrameBufferAttachment attachment)
{
var data = new float[Width * Height * (attachment == FrameBufferAttachment.Depth ? 1 : 4)];
GL.ReadPixels(0, 0, Width, Height, attachment == FrameBufferAttachment.Depth ? PixelFormat.DepthComponent : PixelFormat.Rgba, PixelType.Float, data);
return(data);
}
public FrameBuffer()
: base(AllocateId())
{
FrameBufferAttachment[] color = new FrameBufferAttachment[Device.GetInt32(GetPName.MaxColorAttachments)];
for (int index = 0; index < color.Length; index++)
color[index] = new FrameBufferAttachment(this, FramebufferAttachment.ColorAttachment0 + index);
this.color = new FrameBufferAttachmentCollection(color);
this.depth = new FrameBufferAttachment(this, (FramebufferAttachment)FramebufferAttachment.DepthAttachment);
this.stencil = new FrameBufferAttachment(this, (FramebufferAttachment)FramebufferAttachment.StencilAttachment);
}
internal FrameBufferAttachment CreateAttachment(string AttachmentLookupID, Format format, ImageViewType view2D, Image image, ImageAspectFlags color, uint levelCount, uint layercount)
{
myImage = image;
if (Initialized)
{
throw new Exception("Attempted to add attachment to initialized Framebuffer!");
}
if (myAttachments.ContainsKey(AttachmentLookupID))
{
throw new Exception("A framebuffer attachment with ID: " + AttachmentLookupID + " was added to frame buffer twice.");
}
var myAttache = new FrameBufferAttachment(AttachmentLookupID, image, view2D, format, color, levelCount, layercount);
myAttachments[AttachmentLookupID] = myAttache;
return(myAttache);
}
