+ {
+ PIXELFORMATDESCRIPTOR pfd;
+ HDC hdc = fgStructure.CurrentWindow->Window.pContext.Device;
+ int iPixelFormat = GetPixelFormat( hdc );
+ DescribePixelFormat(hdc, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
+
+ returnValue = pfd.cColorBits;
+ if (pfd.iPixelType==PFD_TYPE_RGBA)
+ returnValue += pfd.cAlphaBits;
+
+ return returnValue;
+ }