/// <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());
}