Method EndFrame

neo/renderer/RenderSystem.cpp:675–732

============= EndFrame Returns the number of msec spent in the back end ============= */

=============
*/
void idRenderSystemLocal::EndFrame( int *frontEndMsec, int *backEndMsec ) {
	emptyCommand_t *cmd;

	if ( !glConfig.isInitialized ) {
		return;
	}

	// close any gui drawing
	guiModel->EmitFullScreen();
	guiModel->Clear();

	// save out timing information
	if ( frontEndMsec ) {
		*frontEndMsec = pc.frontEndMsec;
	}
	if ( backEndMsec ) {
		*backEndMsec = backEnd.pc.msec;
	}

	// print any other statistics and clear all of them
	R_PerformanceCounters();

	// check for dynamic changes that require some initialization
	R_CheckCvars();

	// check for errors
	GL_CheckErrors();

	// add the swapbuffers command
	cmd = (emptyCommand_t *)R_GetCommandBuffer( sizeof( *cmd ) );
	cmd->commandId = RC_SWAP_BUFFERS;

	// start the back end up again with the new command list
	R_IssueRenderCommands();

	// use the other buffers next frame, because another CPU
	// may still be rendering into the current buffers

	R_ToggleSmpFrame();

	// we can now release the vertexes used this frame
	vertexCache.EndFrame();

	if ( session->writeDemo ) {
		session->writeDemo->WriteInt( DS_RENDER );
		session->writeDemo->WriteInt( DC_END_FRAME );
		if ( r_showDemo.GetBool() ) {
			common->Printf( "write DC_END_FRAME\n" );
		}
	}

	// DG: restore the original size that was set before BeginFrame() overwrote it
	//     with its function-arguments, so editors don't mess up our viewport.
	//     (unsure why/how this at least *kinda* worked in original Doom3,
	//      maybe glConfig.vidWidth/Height was reset if the window gained focus or sth)
	glConfig.vidWidth = origWidth;
	glConfig.vidHeight = origHeight;
}