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package Xconfig::glx;
use diagnostics;
use strict;
use common;
use any;
my $compositing_server_config = '/etc/sysconfig/compositing-server';
my $compositing_wm_config = '/etc/sysconfig/compositing-wm';
our @gl_compositing_types = (
{
type => "none",
name => N_("No 3D desktop effects"),
},
{
type => "metisse",
name => N_("Metisse"),
methods => [ qw(Xmetisse) ],
wms => [ qw(metisse-start-fvwm) ],
},
{
type => "cube",
name => N_("Compiz Fusion"),
methods => [ qw(native Xgl) ],
wms => [ qw(compiz-fusion) ],
},
);
our @gl_compositing_servers = (
{
method => "native",
name => N_("native support"),
packages => [],
description => N_("Some drivers provide native support for OpenGL compositing (using AIGLX for example). If your system supports it, it is the preferred solution."),
},
{
method => "Xgl",
name => "Xgl",
packages => [ 'x11-server-xgl' ],
description => N_("Xgl is an additional graphical server that adds 3D desktop support."),
},
{
method => "Xmetisse",
name => "Metisse (experimental)",
packages => [ 'x11-server-xmetisse' ],
description => N_("Metisse is an experimental X-based window system."),
},
);
our @gl_compositing_wms = (
{
wm => 'compiz-fusion',
configuration_tool => 'ccsm',
packages => [ 'compiz-fusion', 'compiz-decorator-gtk' ],
desktop_packages => {
KDE => [ 'compiz-decorator-kde' ],
KDE4 => [ 'compiz-decorator-kde4' ],
},
name => 'Compiz Fusion',
description => N_("Compiz Fusion is a 3D compositing window manager."),
},
{
wm => 'metisse-start-fvwm',
configuration_tool => '',
packages => [ 'metisse' ],
name => 'Metisse FVWM',
description => N_("Metisse FVWM is a FVWM window manager modified for Metisse."),
},
);
sub parse_glxinfo {
my (%options) = @_;
my $glx_info = {};
my $extensions_section;
my @glxinfo = $options{file} ? cat_($options{file}) : do {
require run_program;
my $lib = arch() =~ /x86_64/ ? "lib64" : "lib";
local $ENV{LD_LIBRARY_PATH} = $options{Mesa} && "/usr/$lib/mesa";
run_program::rooted_get_stdout($::prefix, '/usr/bin/glxinfo', '2>', '/dev/null');
};
foreach (@glxinfo) {
chomp;
if (/^direct rendering: Yes/) {
$glx_info->{capabilities}{direct_rendering} = 1;
} elsif (my ($type, $value) = /^(.*) string: (.*)$/) {
$type =~ s/\s/_/g;
$glx_info->{strings}{$type} = $value;
} elsif (/^(.*) extensions:/) {
$extensions_section = $1;
$extensions_section =~ s/\s/_/g;
} elsif (/^\s/) {
if ($extensions_section) {
push @{$glx_info->{extensions}{$extensions_section}}, grep { $_ } split(/,?\s+/);
}
} else {
undef $extensions_section;
}
}
$glx_info;
}
my @glx_blacklist = qw(mga nv openchrome sis tdfx vboxvideo vesa vmware);
sub is_in_metisse() {
my $display = $ENV{DISPLAY};
$display =~ s/\..*//;
$display && any {
member($display, split("\0", cat_("/proc/" . $_ . "/cmdline")));
} fuzzy_pidofs("Xmetisse");
}
sub get_glx_status {
my ($o_mesa_file, $o_system_file) = @_;
my ($driver, $resolution);
require Xconfig::xfree;
eval {
my $raw_X = Xconfig::xfree->read;
$driver = $raw_X->get_Driver;
$resolution = $raw_X->get_resolution;
};
$resolution ||= {};
member($driver, @glx_blacklist) and return {};
my ($mesa_glx_info, $system_glx_info);
if ($o_mesa_file) {
$mesa_glx_info = parse_glxinfo(file => $o_mesa_file);
$system_glx_info = $o_system_file ? parse_glxinfo(file => $o_system_file) : $mesa_glx_info;
} else {
$system_glx_info = parse_glxinfo();
$mesa_glx_info = parse_glxinfo(Mesa => 1);
}
my $glx_status = {};
$glx_status->{context}{Mesa} = $system_glx_info->{strings}{OpenGL_renderer} =~ /Mesa/;
$glx_status->{context}{MesaDRI} = $system_glx_info->{strings}{OpenGL_renderer} =~ /Mesa DRI/;
$glx_status->{context}{Xgl} =
$system_glx_info->{strings}{server_glx_vendor} eq 'SGI' &&
member('GLX_EXT_texture_from_pixmap', @{$mesa_glx_info->{extensions}{GLX}}) && (
#- avoid nv, but detect i810 and fglrx
member('GL_ARB_fragment_program', @{$mesa_glx_info->{extensions}{OpenGL}}) ||
!$glx_status->{context}{Mesa} && member('GLX_SGIX_fbconfig', @{$system_glx_info->{extensions}{GLX}})
);
$glx_status->{context}{Xmetisse} = is_in_metisse();
$glx_status->{capabilities}{direct_rendering} =
$system_glx_info->{capabilities}{direct_rendering} ||
$glx_status->{context}{Xgl} ||
$glx_status->{context}{Xmetisse};
$glx_status->{capabilities}{Xgl} =
$glx_status->{context}{Xgl} ||
$glx_status->{capabilities}{direct_rendering} && (
!$glx_status->{context}{MesaDRI} ||
member('GLX_MESA_allocate_memory', @{$system_glx_info->{extensions}{GLX}})
) && (
#- Xgl turns black with i810 and 16 bits
!member($driver, 'i810', 'intel') || $resolution->{Depth} eq '24'
);
$glx_status->{capabilities}{native} =
$glx_status->{capabilities}{direct_rendering} &&
member('GLX_EXT_texture_from_pixmap', @{$system_glx_info->{extensions}{client_glx}}) &&
member('GLX_EXT_texture_from_pixmap', @{$system_glx_info->{extensions}{server_glx}});
$glx_status->{capabilities}{Xmetisse} = $glx_status->{capabilities}{direct_rendering};
#- no support in configuration tools yet
# $glx_status->{capabilities}{'3d-desktop'} = $glx_status->{capabilities}{direct_rendering};
$glx_status;
}
sub detect() {
my $compositing_server = +{ getVarsFromSh($::prefix . $compositing_server_config) };
my $compositing_wm = +{ getVarsFromSh($::prefix . $compositing_wm_config) };
my $glx = { capabilities => get_glx_status()->{capabilities} };
$glx->{supported} = $glx->{capabilities}{direct_rendering};
$glx->{compositing} = $compositing_wm->{COMPOSITING_WM_START} eq 'yes' || $compositing_wm->{COMPOSITING_WM_START} eq 'auto' && $glx->{supported};
$glx->{wm} = $compositing_wm->{COMPOSITING_WM};
$glx->{method} =
$glx->{compositing} ? (
$glx->{capabilities}{native} && member($compositing_server->{COMPOSITING_SERVER_START}, qw(auto no)) && !$compositing_server->{COMPOSITING_SERVER} ?
'native' :
$glx->{capabilities}{Xgl} && member($compositing_server->{COMPOSITING_SERVER_START}, qw(auto yes)) && $compositing_server->{COMPOSITING_SERVER} eq 'Xgl' ?
'Xgl' :
$glx->{capabilities}{Xmetisse} && member($compositing_server->{COMPOSITING_SERVER_START}, qw(auto yes)) && $compositing_server->{COMPOSITING_SERVER} eq 'Xmetisse' ?
'Xmetisse' :
''
) : '';
$glx;
}
sub detect_may_install {
my ($in) = @_;
$in->do_pkgs->ensure_is_installed('mesa-demos', '/usr/bin/glxinfo') or return;
Xconfig::glx::detect();
}
sub detect_types {
my ($glx) = @_;
my @available_types = (
grep {
!$_->{methods} ||
any { $glx->{capabilities}{$_} } @{$_->{methods}};
} @gl_compositing_types
);
my $type = find { member($glx->{method}, @{$_->{methods}}) } @available_types;
\@available_types, $type;
}
sub choose_interactive {
my ($in, $glx) = @_;
my ($available, $type) = detect_types($glx);
$in->ask_from_({ title => N("3D Desktop effects") }, [
{ label => N("3D Desktop effects"), title => 1 },
if_(!$glx->{supported},
{ label => N("Your system does not support 3D desktop effects.") }),
{ type => 'list', val => \$type, allow_empty_list => 1,
list => $available, format => sub { translate($_[0]{name}) } },
]) or return;
$glx->{method} = find { $glx->{capabilities}{$_} } @{$type->{methods}};
$glx->{wm} = first(@{$type->{wms}});
1;
}
sub install {
my ($in, $glx) = @_;
my $server = find { $_->{method} eq $glx->{method} } @gl_compositing_servers;
my $wm = find { $_->{wm} eq $glx->{wm} } @gl_compositing_wms;
my @sessions = any::sessions();
my @packages = map {
my $entry = $_;
@{$entry->{packages}},
map { @{$entry->{desktop_packages}{$_} || []} } @sessions;
} grep { $_ } $server, $wm;
$in->do_pkgs->ensure_are_installed(\@packages);
}
sub write {
my ($glx) = @_;
my $server_start = member($glx->{method}, 'Xgl', 'Xmetisse');
addVarsInSh($::prefix . $compositing_server_config, {
COMPOSITING_SERVER_START => bool2yesno($server_start),
COMPOSITING_SERVER => $server_start && $glx->{method},
});
addVarsInSh($::prefix . $compositing_wm_config, {
COMPOSITING_WM_START => bool2yesno(member($glx->{method}, qw(native Xgl Xmetisse))),
COMPOSITING_WM => $glx->{wm},
});
}
1;
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