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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 contains common code to check the hardware and software
// configuration of the client machine:
// - User agent (browser)
// - OS version
// - GPU vendor
#ifdef RENDERER_D3D9
#include <d3d9.h>
#endif
#include <iostream>
#include <fstream>
#include "base/logging.h"
#include "core/cross/install_check.h"
#include "plugin/cross/config.h"
#include "plugin/cross/o3d_glue.h"
#include "core/cross/error.h"
#include "third_party/nixysa/static_glue/npapi/common.h"
using glue::_o3d::GetServiceLocator;
namespace o3d {
// Gets the value of "navigator.userAgent" in the JavaScript context, which
// contains the user agent string.
std::string GetUserAgent(NPP npp) {
GLUE_PROFILE_START(npp, "NPN_UserAgent");
const char* user_agent = NPN_UserAgent(npp);
GLUE_PROFILE_STOP(npp, "NPN_UserAgent");
std::string uagent_string;
if (user_agent) {
uagent_string = std::string(user_agent);
}
return uagent_string;
}
// Pops up a dialog box using JavaScript showing the error and gives the user a
// chance to continue anyway.
bool AskUser(NPP npp, const std::string &error) {
NPObject *global_object;
GLUE_PROFILE_START(npp, "NPN_GetValue");
NPN_GetValue(npp, NPNVWindowNPObject, &global_object);
GLUE_PROFILE_STOP(npp, "NPN_GetValue");
GLUE_PROFILE_START(npp, "NPN_GetStringIdentifier");
NPIdentifier alert_id = NPN_GetStringIdentifier("confirm");
GLUE_PROFILE_STOP(npp, "NPN_GetStringIdentifier");
std::string message = std::string("O3D: ") + error;
// TODO: internationalize message.
// TODO: Should this change to call some hardcoded javascript function
// like "o3djs.util.confirmContinuation" or even a global name like
// o3djs_confirmContinuation. This would move localization outside
// C++ and give the developer a chance to handle it his own way.
message += "\nPress OK to continue anyway.";
NPVariant args[1];
NPVariant result;
STRINGN_TO_NPVARIANT(message.c_str(), message.length(), args[0]);
GLUE_PROFILE_START(npp, "NPN_Invoke");
bool temp = NPN_Invoke(npp, global_object, alert_id, args, 1, &result);
GLUE_PROFILE_STOP(npp, "NPN_Invoke");
if (temp) {
bool retval = NPVARIANT_IS_BOOLEAN(result) && NPVARIANT_TO_BOOLEAN(result);
GLUE_PROFILE_START(npp, "NPN_ReleaseVariantValue");
NPN_ReleaseVariantValue(&result);
GLUE_PROFILE_STOP(npp, "NPN_ReleaseVariantValue");
return retval;
} else {
return false;
}
}
// Gets the GPU device IDs and name, pops up a dialog box to confirm with the
// user in case we can't get the information.
bool GetGPUDevice(NPP npp, GPUDevice *device) {
#if defined(RENDERER_D3D9)
// Check GPU vendor using D3D.
IDirect3D9 *d3d = Direct3DCreate9(D3D_SDK_VERSION);
if (!d3d) {
O3D_ERROR(GetServiceLocator(npp)) << "Direct3D9 is unavailable";
return false;
}
D3DADAPTER_IDENTIFIER9 identifier;
HRESULT hr = d3d->GetAdapterIdentifier(D3DADAPTER_DEFAULT, 0, &identifier);
d3d->Release();
if (hr != D3D_OK) {
O3D_ERROR(GetServiceLocator(npp)) << "Unable to get device ID";
device->vendor_id = 0;
device->device_id = 0;
device->name = "Unknown";
device->driver = "Unknown";
device->description = "Unknown";
device->guid = 0;
return false;
}
device->vendor_id = identifier.VendorId;
device->device_id = identifier.DeviceId;
device->name = identifier.DeviceName;
device->driver = identifier.Driver;
device->description = identifier.Description;
device->guid = identifier.DeviceIdentifier.Data1;
return true;
#else
// TODO: check GL version, blacklisted vendors ?
device->vendor_id = 0;
device->device_id = 0;
device->name = "Unknown";
device->driver = "Unknown";
device->description = "Unknown";
device->guid = 0;
return true;
#endif
}
// List of "black-listed" GPUs.
//
// A Vendor ID of 0 means end of the list. A device ID of 0 means the entire
// line of devices from this vendor is black-listed.
//
// NOTE: Black-listed GPUs are only for GPUs that have security or stability
// issues. GPUs that are missing required features are handled by the renderer.
static const GPUDevice g_blacklisted_gpus[] = {
{0, 0, }, // End Marker
};
// Checks various configuration elements:
// - Windows version
// - GPU vendor
// - User agent (browser)
bool CheckConfig(NPP npp) {
if (!CheckOSVersion(npp)) return false;
GPUDevice device;
if (!GetGPUDevice(npp, &device)) return false;
for (unsigned int i = 0;
g_blacklisted_gpus[i].vendor_id != 0; ++i) {
if (device.vendor_id == g_blacklisted_gpus[i].vendor_id &&
(device.device_id == g_blacklisted_gpus[i].device_id ||
g_blacklisted_gpus[i].device_id == 0)) {
O3D_ERROR(GetServiceLocator(npp))
<< "Unsupported GPU device: " + device.name;
return false;
}
}
{
std::ifstream blacklist_file;
std::string error;
if (!OpenDriverBlacklistFile(&blacklist_file)) {
// Allow missing blacklist file for now, or else pulse and developer
// builds [which don't install the file] will fail.
// TODO: Look into this again for the public release.
// error = "Failed to open driver blacklist file.\n"
// "Can't verify that it's safe to run O3D.";
} else if (IsDriverBlacklisted(&blacklist_file, device.guid)) {
if (blacklist_file.fail()) {
error = "Error reading driver blacklist file.\n"
"Can't verify that it's safe to run O3D.";
} else {
error = "Your driver cannot run O3D safely.";
}
}
if (error.length() && !AskUser(npp, error)) {
return false;
}
}
{
std::string error;
if (!o3d::RendererInstallCheck(&error)) {
if (error.length()) {
O3D_ERROR(GetServiceLocator(npp)) << error;
} else {
O3D_ERROR(GetServiceLocator(npp))
<< "Could not initialize the graphics driver.";
}
return false;
}
}
// Check User agent. Only Firefox, Chrome and IE are supported.
std::string user_agent = GetUserAgent(npp);
if (!CheckUserAgent(npp, user_agent)) return false;
return true;
}
} // namespace o3d
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