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/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file defines a few functions to check the user's hardware and software
// configuration.
#ifndef O3D_PLUGIN_CROSS_CONFIG_H_
#define O3D_PLUGIN_CROSS_CONFIG_H_
#include <fstream>
#include <string>
#include "plugin/cross/o3d_glue.h"
namespace o3d {
// Returns the user agent string.
// Arguments:
// npp: plugin instance.
// Returns:
// The user agent string.
std::string GetUserAgent(NPP npp);
struct GPUDevice {
unsigned int vendor_id;
unsigned int device_id;
std::string driver;
std::string description;
std::string name;
unsigned int guid;
};
// Asks the user to ok a continuation
// Arguments:
// npp: plugin instance.
// error: the error to signal.
// Returns:
// true if the error was overridden by the user, false otherwise.
bool AskUser(NPP npp, const std::string &error);
// Gets the device information.
// Arguments:
// device: a GPUDevice structure that will contain the vendor and device IDs.
// name: a pointer to a string that will contain the device string.
// Returns:
// true if successful. If not, device and name are not modified.
bool GetGPUDevice(NPP npp, GPUDevice *device);
// Checks that the current hardware and software configuration is supported,
// prompting the user to give him and option to run anyway.
// Arguments:
// npp: plugin instance.
// Returns:
// Whether to allow the plug-in to run.
bool CheckConfig(NPP npp);
// The following functions are platform-dependent, and are implemented in the
// respective {platform}/config.cc files
// Checks the operating system version.
bool CheckOSVersion(NPP npp);
// Checks the user agent string.
bool CheckUserAgent(NPP npp, const std::string &user_agent);
// Used to get the text file that lists blacklisted driver GUIDs.
// Returns true on success.
bool OpenDriverBlacklistFile(std::ifstream *input_file);
// Checks the driver GUID against the blacklist file. Returns true if there's a
// match [this driver is blacklisted] or if an IO error occurred. Check the
// state of input_file to determine which it was.
// Note that this function always returns false if the guid is 0, since it will
// be 0 if we had a failure in reading it, and the user will already have been
// warned.
bool IsDriverBlacklisted(std::ifstream *input_file, unsigned int guid);
// Checks the current hardware, software configurations and puts the values
// into metrics.
bool GetUserConfigMetrics();
// Checks the browser version.
// Arguments:
// npp: plugin instance.
bool GetUserAgentMetrics(NPP npp);
bool GetOpenGLMetrics();
} // namespace o3d
#endif // O3D_PLUGIN_CROSS_CONFIG_H_
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