internal GLRenderBuffer(int width, int height, RenderbufferStorage storage, GLGraphicsContext context)
{
this.width = width;
this.height = height;
OGL.GenRenderbuffers(1, out renderBufferId);
context.CheckForErrorsIfDebugging();
OGL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, renderBufferId);
OGL.RenderbufferStorage(RenderbufferTarget.Renderbuffer,
storage, width, height);
OGL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, 0);
context.CheckForErrorsIfDebugging();
}
internal GLFrameBuffer(GLRenderBuffer colorBuffer, GLRenderBuffer depthBuffer, FramebufferTarget fbTarget, bool disposeRenderBuffers, GLGraphicsContext context)
: this(context)
{
this.disposeRenderBuffers = disposeRenderBuffers;
this.colorBuffer = colorBuffer;
this.depthBuffer = depthBuffer;
this.fbTarget = fbTarget;
OGL.BindFramebuffer(fbTarget, fboId);
OGL.FramebufferRenderbuffer(fbTarget, FramebufferAttachment.ColorAttachment0,
RenderbufferTarget.Renderbuffer, colorBuffer.Id);
OGL.FramebufferRenderbuffer(fbTarget, FramebufferAttachment.DepthAttachment,
RenderbufferTarget.Renderbuffer, depthBuffer.Id);
FramebufferErrorCode err = OGL.CheckFramebufferStatus(fbTarget);
switch(err) {
case FramebufferErrorCode.FramebufferComplete:
break;
default:
this.Dispose();
throw new Exception(String.Format("Invalid frame buffer status: {0}", err));
}
OGL.BindFramebuffer(fbTarget, 0);
context.CheckForErrorsIfDebugging();
}
private GLFrameBuffer(GLGraphicsContext context)
{
this.context = context;
OGL.GenFramebuffers(1, out fboId);
context.CheckForErrorsIfDebugging();
}