Function R_CheckCvars

neo/renderer/RenderSystem.cpp:240–273

============= R_CheckCvars See if some cvars that we watch have changed ============= */

=============
*/
static void R_CheckCvars( void ) {
	globalImages->CheckCvars();

	// gamma stuff
	if ( r_gamma.IsModified() || r_brightness.IsModified() ) {
		r_gamma.ClearModified();
		r_brightness.ClearModified();
		R_SetColorMappings();
	}

	if ( r_gammaInShader.IsModified() ) {
		r_gammaInShader.ClearModified();
		// reload shaders so they either add or remove the code for setting gamma/brightness in shader
		R_ReloadARBPrograms_f( idCmdArgs() );

		if ( r_gammaInShader.GetBool() ) {
			common->Printf( "Will apply r_gamma and r_brightness in shaders\n" );
			GLimp_ResetGamma(); // reset hardware gamma
		} else {
			common->Printf( "Will apply r_gamma and r_brightness in hardware (possibly on all screens)\n" );
			R_SetColorMappings();
		}
	}

	if ( r_swapInterval.IsModified() ) {
		GLimp_SetSwapInterval( r_swapInterval.GetInteger() );
		r_swapInterval.ClearModified();
	}

	if ( r_windowResizable.IsModified() ) {
		GLimp_SetWindowResizable( r_windowResizable.GetBool() );
		r_windowResizable.ClearModified();
	}
}

/*
=============