/// <summary> /// Try a certain FBO format, and return the status. Also sets mDepthRB and mStencilRB. /// </summary> /// <param name="depthFormat"> </param> /// <param name="stencilFormat"> </param> /// <returns> true if this combo is supported, false if not </returns> private bool TryFormat(All depthFormat, All stencilFormat) { int status = 0, depthRB = 0, stencilRB = 0; if (depthFormat != 0) { /// Generate depth renderbuffer OpenGLOES.GenRenderbuffers(1, ref depthRB); /// Bind it to FBO; OpenGLOES.RenderbufferStorage(All.RenderbufferOes, depthFormat, ProbeSize, ProbeSize); /// Attach depth OpenGLOES.FramebufferRenderbuffer(All.FramebufferOes, All.DepthAttachmentOes, All.RenderbufferOes, depthRB); } // Stencil buffers aren't available on iPhone if (stencilFormat != 0) { /// Generate stencil renderbuffer OpenGLOES.GenRenderbuffers(1, ref stencilRB); //bind it to FBO OpenGLOES.BindRenderbuffer(All.RenderbufferOes, stencilRB); /// Allocate storage for stencil buffer OpenGLOES.RenderbufferStorage(All.RenderbufferOes, stencilFormat, ProbeSize, ProbeSize); /// Attach stencil OpenGLOES.FramebufferRenderbuffer(All.FramebufferOes, All.StencilAttachmentOes, All.RenderbufferOes, stencilRB); } status = (int)OpenGLOES.CheckFramebufferStatus(All.FramebufferOes); OpenGLOES.FramebufferRenderbuffer(All.FramebufferOes, All.DepthAttachmentOes, All.RenderbufferOes, depthRB); OpenGLOES.FramebufferRenderbuffer(All.FramebufferOes, All.StencilAttachmentOes, All.RenderbufferOes, stencilRB); if (depthRB != 0) { OpenGLOES.DeleteRenderbuffers(1, ref depthRB); } if (stencilRB != 0) { OpenGLOES.DeleteRenderbuffers(1, ref stencilRB); } //Clear OpenGL Errors create because of the evaluation while (OpenGL.GetError() != All.NoError) { ; } return(status == (int)All.FramebufferCompleteOes); }
internal void ResetErrors() { if (!this.Context.ErrorChecking) { return; } do { ; }while (GL.GetError() != All.False); }
internal void CheckErrors() { if (!this.Context.ErrorChecking) { return; } List <ErrorCode> list = ErrorHelper.ContextErrors[this.Context]; list.Clear(); ErrorCode errorCode1; do { errorCode1 = (ErrorCode)GL.GetError(); list.Add(errorCode1); }while (errorCode1 != ErrorCode.NoError); if (list.Count == 1) { return; } StringBuilder stringBuilder = new StringBuilder(); foreach (ErrorCode errorCode2 in list) { if (errorCode2 != ErrorCode.NoError) { stringBuilder.Append(((object)errorCode2).ToString()); stringBuilder.Append(", "); } else { break; } } stringBuilder.Remove(stringBuilder.Length - 2, 2); throw new GraphicsErrorException(((object)stringBuilder).ToString()); }