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<?php
/*
Phoronix Test Suite
URLs: http://www.phoronix.com, http://www.phoronix-test-suite.com/
Copyright (C) 2008, Phoronix Media
Copyright (C) 2004-2008, Michael Larabel
graphics_override.php: Graphics AA/AF image quality setting override module
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/>.
*/
class graphics_override extends pts_module_interface
{
const module_name = "Graphics Override";
const module_version = "1.0.3";
const module_description = "This module allows you to override some graphics rendering settings for the ATI and NVIDIA drivers while running the Phoronix Test Suite.";
const module_author = "Michael Larabel";
public static $module_store_vars = array("FORCE_AA", "FORCE_AF");
static $preset_aa = FALSE;
static $preset_af = FALSE;
static $preset_aa_control = FALSE;
static $preset_af_control = FALSE;
static $supported_aa_levels = array(0, 2, 4, 8, 16);
static $supported_af_levels = array(0, 2, 4, 8, 16);
public static function __pre_run_process()
{
if(!(IS_NVIDIA_GRAPHICS || IS_ATI_GRAPHICS))
{
echo "\nNo supported driver found for graphics_override module!\n";
return PTS_MODULE_UNLOAD; // Not using a supported driver, quit the module
}
$force_aa = trim(getenv("FORCE_AA"));
$force_af = trim(getenv("FORCE_AF"));
if($force_aa !== FALSE && in_array($force_aa, self::$supported_aa_levels))
{
// First backup any existing override, then set the new value
if(IS_NVIDIA_GRAPHICS)
{
self::$preset_aa = read_nvidia_extension("FSAA");
self::$preset_aa_control = read_nvidia_extension("FSAAAppControlled");
switch($force_aa)
{
case 2:
$nvidia_aa = 2;
break;
case 4:
$nvidia_aa = 5;
break;
case 8:
$nvidia_aa = 7;
break;
case 16:
$nvidia_aa = 8;
break;
}
if(isset($nvidia_aa))
{
hw_gpu_set_nvidia_extension("FSAA", $nvidia_aa);
hw_gpu_set_nvidia_extension("FSAAAppControlled", 0);
}
}
else if(IS_ATI_GRAPHICS)
{
self::$preset_aa = read_amd_pcsdb("OpenGL,AntiAliasSamples");
self::$preset_aa_control = read_amd_pcsdb("OpenGL,AAF");
switch($force_aa)
{
case 2:
$ati_aa = "0x00000002";
break;
case 4:
$ati_aa = "0x00000004";
break;
case 8:
$ati_aa = "0x00000008";
break;
case 16:
echo "\nThe ATI fglrx driver currently doesn't support 16x AA! Defaulting to 8x AA!\n";
$ati_aa = "0x00000008";
break;
}
if(isset($ati_aa))
{
hw_gpu_set_amd_pcsdb("OpenGL,AntiAliasSamples", $ati_aa);
hw_gpu_set_amd_pcsdb("OpenGL,AAF", "0x00000000");
}
}
}
if($force_af !== FALSE && in_array($force_af, self::$supported_af_levels))
{
// First backup any existing override, then set the new value
if(IS_NVIDIA_GRAPHICS)
{
self::$preset_af = read_nvidia_extension("LogAniso");
self::$preset_af_control = read_nvidia_extension("LogAnisoAppControlled");
switch($force_af)
{
case 2:
$nvidia_af = 1;
break;
case 4:
$nvidia_af = 2;
break;
case 8:
$nvidia_af = 3;
break;
case 16:
$nvidia_af = 4;
break;
}
if(isset($nvidia_af))
{
hw_gpu_set_nvidia_extension("LogAniso", $nvidia_af);
hw_gpu_set_nvidia_extension("LogAnisoAppControlled", 0);
}
}
else if(IS_ATI_GRAPHICS)
{
self::$preset_af = read_amd_pcsdb("OpenGL,AnisoDegree");
switch($force_af)
{
case 2:
$ati_af = "0x00000002";
break;
case 4:
$ati_af = "0x00000004";
break;
case 8:
$ati_af = "0x00000008";
break;
case 16:
$ati_af = "0x00000010";
break;
}
if(isset($ati_af))
{
hw_gpu_set_amd_pcsdb("OpenGL,AnisoDegree", $ati_af);
}
}
}
}
public static function __post_option_process()
{
if(IS_NVIDIA_GRAPHICS)
{
if(self::$preset_aa !== FALSE)
{
hw_gpu_set_nvidia_extension("FSAA", self::$preset_aa);
hw_gpu_set_nvidia_extension("FSAAAppControlled", self::$preset_aa_control);
}
if(self::$preset_af !== FALSE)
{
hw_gpu_set_nvidia_extension("LogAniso", self::$preset_af);
hw_gpu_set_nvidia_extension("LogAnisoAppControlled", self::$preset_af_control);
}
}
else if(IS_ATI_GRAPHICS)
{
if(self::$preset_aa !== FALSE)
{
hw_gpu_set_amd_pcsdb("OpenGL,AntiAliasSamples", self::$preset_aa);
hw_gpu_set_amd_pcsdb("OpenGL,AAF", self::$preset_aa_control);
}
if(self::$preset_af !== FALSE)
{
hw_gpu_set_amd_pcsdb("OpenGL,AnisoDegree", self::$preset_af);
}
}
}
}
?>
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