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Manpage of GLFLUSH

GLFLUSH

Index
 

NAME

glFlush - force execution of GL commands in finite time

 

C SPECIFICATION

void f3glFlushfP( void )


 

DESCRIPTION

Different GL implementations buffer commands in several different locations, including network buffers and the graphics accelerator itself. %f3glFlushfP empties all of these buffers, causing all issued commands to be executed as quickly as they are accepted by the actual rendering engine. Though this execution may not be completed in any particular time period, it does complete in finite time. Because any GL program might be executed over a network, or on an accelerator that buffers commands, all programs should call %f3glFlushfP whenever they count on having all of their previously issued commands completed. For example, call %f3glFlushfP before waiting for user input that depends on the generated image.  

NOTES

%f3glFlushfP can return at any time. It does not wait until the execution of all previously issued GL commands is complete.  

ERRORS

%f3GL_INVALID_OPERATIONfP is generated if %f3glFlushfP is executed between the execution of %f3glBeginfP and the corresponding execution of %f3glEndfP.  

SEE ALSO

%f3glFinish(3G)fP


 

Index

NAME
C SPECIFICATION
DESCRIPTION
NOTES
ERRORS
SEE ALSO