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#!/usr/bin/perl -w
# Copyright 2007-2009 Robert ("Bob") Igo of StormLogic, LLC and mythic.tv.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use Switch;
use Tweaker::Script;
package Tweaker::Script;
# List all the options that this script supports. Make sure it matches what's in
# the corresponding .tcf entry.
set_known_options( 'low', 'medium', 'high' );
sub check_for_GL() {
# ??? Need to make this update a class variable instead of a temp file.
my $fps = execute_shell_command("[ -e /tmp/fps ] && cat /tmp/fps") || -1;
# We think that any nVidia cards at or below NV25 are not well-supported
# for GL. Newer cards are NV34 or above, or have a different starting letter.
my $generation = execute_shell_command("lspci -v | grep \"nVidia Corporation\" | grep VGA | awk -FCorporation '{ print \$2 }' | awk '{ print \$1 }'");
my $letters = substr($generation,0,2);
if (("$letters" eq "NV") && ("$generation" lt "NV24")) {
$fps = 0;
}
if ($fps == -1) {
my $result = execute_shell_command("glxinfo | grep 'direct rendering'");
if ($result =~ m/direct rendering: Yes/) {
my $logger = get_logger('tweaker.script');
$logger->info("Hardware OpenGL rendering ability detected.");
# Now poll the strength, returning the FPS from glxgears, run at the default resolution.
# I would love to be able to poll this in a way that 1) doesn't pop up a GUI window and
# 2) doesn't rely on manually making a database that maps video cards to performance levels.
$result = execute_shell_command("script -q -c \"glxgears -fullscreen & sleep 11 ; pkill -15 glxgears\" | tail -1");
if ($result =~ m/ (\d+)\.\d+ FPS/) {
$fps = $1;
execute_shell_command("echo $fps > /tmp/fps");
}
} else {
$fps = 0;
execute_shell_command("echo $fps > /tmp/fps");
}
}
return $fps;
}
# Try to implement the given option.
sub implement_option {
my($option) = @_;
$dbconnectionstring = get_mythtv_connection_string();
if (connect_to_db("DBI:mysql:$dbconnectionstring")) {
switch ($option) {
# List all the options that this script supports. You can have as many as you like.
case "low" {
change_or_make_setting('ThemePainter', 'Qt') || exit -1;
change_or_make_setting('SlideshowUseOpenGL', '0') || exit -1;
change_or_make_setting('SlideshowOpenGLTransition', 'none') || exit -1;
change_or_make_setting('SlideshowTransition', 'none') || exit -1;
}
case "medium" {
change_or_make_setting('ThemePainter', 'Qt') || exit -1;
change_or_make_setting('SlideshowUseOpenGL', '1') || exit -1;
change_or_make_setting('SlideshowOpenGLTransition', 'random (gl)') || exit -1;
change_or_make_setting('SlideshowTransition', 'random') || exit -1;
}
case "high" {
change_or_make_setting('ThemePainter', 'opengl') || exit -1;
change_or_make_setting('SlideshowUseOpenGL', '1') || exit -1;
change_or_make_setting('SlideshowOpenGLTransition', 'random (gl)') || exit -1;
change_or_make_setting('SlideshowTransition', 'random') || exit -1;
}
# In all cases, do the following:
# enable anti-aliased fonts
my $qtrc="/home/mythtv/.qt/qtrc";
# clean out old Xft settings
my $command = "sed -i 's/.*Xft=.*//g' $qtrc";
if (my $error = execute_shell_command($command)) {
my $logger = get_logger('tweaker.script');
$logger->error("ERROR: $error");
$logger->error("ERROR: Unable to implement option $option.");
exit(-1);
} else {
# Add Xft settings
my $command = "sed -i 's/embedFonts=true/embedFonts=true\nenableXft=true\nuseXft=true/g' $qtrc";
if (my $error = execute_shell_command($command)) {
my $logger = get_logger('tweaker.script');
$logger->error("ERROR: $error");
$logger->error("ERROR: Unable to implement option $option.");
exit(-1);
} else {
# Make sure to use an AA-capable font
my $command = "sed -i 's/font=.*/font=Sans Serif,12,-1,5,50,0,0,0,0,0/g' $qtrc";
if (my $error = execute_shell_command($command)) {
my $logger = get_logger('tweaker.script');
$logger->error("ERROR: $error");
$logger->error("ERROR: Unable to implement option $option.");
exit(-1);
}
}
}
}
} else {
exit -1;
}
disconnect_from_db();
}
# Poll the system to see what recommendationlevel the given option has on the system.
sub poll_options {
my($option) = @_;
# These are somewhat arbitrary at this point. Note that they correspond to
# _full screen_ glxgears results in Frames Per Second (FPS), since GL is used
# at full screen resolution in MythTV.
my $low_threshold = 350; # at or below $low_threshold FPS, GL is not considered good enough to use in MythTV
my $medium_threshold = 425; # GL is pretty usable here
my $high_threshold = 500;
threshold_test($option, check_for_GL(), "video card", $low_threshold, $medium_threshold, $high_threshold);
}
# Unimplemented in 0.7
sub check_option {
help;
}
# Unimplemented in 0.7
sub count_iterations {
help;
}
process_parameters;
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