widget/src/xpwidgets/GfxDriverInfo.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Mozilla Foundation.
  19  * Portions created by the Initial Developer are Copyright (C) 2011
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
  31  * decision by deleting the provisions above and replace them with the notice
  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #include "prtypes.h"
  39 #include "nsPrintfCString.h"
  40
  41 #ifndef __mozilla_widget_GfxDriverInfo_h__
  42 #define __mozilla_widget_GfxDriverInfo_h__
  43
  44 namespace mozilla {
  45 namespace widget {
  46
  47 enum OperatingSystem {
  48   DRIVER_OS_UNKNOWN = 0,
  49   DRIVER_OS_WINDOWS_2000,
  50   DRIVER_OS_WINDOWS_XP,
  51   DRIVER_OS_WINDOWS_SERVER_2003,
  52   DRIVER_OS_WINDOWS_VISTA,
  53   DRIVER_OS_WINDOWS_7,
  54   DRIVER_OS_LINUX,
  55   DRIVER_OS_OS_X_10_5,
  56   DRIVER_OS_OS_X_10_6,
  57   DRIVER_OS_ALL
  58 };
  59
  60 enum VersionComparisonOp {
  61   DRIVER_LESS_THAN,             // driver <  version
  62   DRIVER_LESS_THAN_OR_EQUAL,    // driver <= version
  63   DRIVER_GREATER_THAN,          // driver >  version
  64   DRIVER_GREATER_THAN_OR_EQUAL, // driver >= version
  65   DRIVER_EQUAL,                 // driver == version
  66   DRIVER_NOT_EQUAL,             // driver != version
  67   DRIVER_BETWEEN_EXCLUSIVE,     // driver > version && driver < versionMax
  68   DRIVER_BETWEEN_INCLUSIVE,     // driver >= version && driver <= versionMax
  69   DRIVER_BETWEEN_INCLUSIVE_START, // driver >= version && driver < versionMax
  70   DRIVER_UNKNOWN_COMPARISON
  71 };
  72
  73 /* A zero-terminated array of devices to match, or all devices */
  74 typedef PRUint32 *GfxDeviceFamily;
  75
  76 struct GfxDriverInfo
  77 {
  78   // If |ownDevices| is true, you are transferring ownership of the devices
  79   // array, and it will be deleted when this GfxDriverInfo is destroyed.
  80   GfxDriverInfo(OperatingSystem os, PRUint32 vendor, GfxDeviceFamily devices,
  81                 PRInt32 feature, PRInt32 featureStatus, VersionComparisonOp op,
  82                 PRUint64 driverVersion, const char *suggestedVersion = nsnull,
  83                 bool ownDevices = false);
  84
  85   GfxDriverInfo();
  86   GfxDriverInfo(const GfxDriverInfo&);
  87   ~GfxDriverInfo();
  88
  89   OperatingSystem mOperatingSystem;
  90
  91   PRUint32 mAdapterVendor;
  92   static PRUint32 allAdapterVendors;
  93
  94   GfxDeviceFamily mDevices;
  95   static GfxDeviceFamily allDevices;
  96
  97   // Whether the mDevices array should be deleted when this structure is
  98   // deallocated. False by default.
  99   bool mDeleteDevices;
 100
 101   /* A feature from nsIGfxInfo, or all features */
 102   PRInt32 mFeature;
 103   static PRInt32 allFeatures;
 104
 105   /* A feature status from nsIGfxInfo */
 106   PRInt32 mFeatureStatus;
 107
 108   VersionComparisonOp mComparisonOp;
 109
 110   /* versions are assumed to be A.B.C.D packed as 0xAAAABBBBCCCCDDDD */
 111   PRUint64 mDriverVersion;
 112   PRUint64 mDriverVersionMax;
 113
 114   const char *mSuggestedVersion;
 115 };
 116
 117 #define GFX_DRIVER_VERSION(a,b,c,d) \
 118   ((PRUint64(a)<<48) | (PRUint64(b)<<32) | (PRUint64(c)<<16) | PRUint64(d))
 119
 120 inline bool
 121 ParseDriverVersion(nsAString& aVersion, PRUint64 *aNumericVersion)
 122 {
 123   int a, b, c, d;
 124   /* honestly, why do I even bother */
 125   if (sscanf(nsPromiseFlatCString(NS_LossyConvertUTF16toASCII(aVersion)).get(),
 126              "%d.%d.%d.%d", &a, &b, &c, &d) != 4)
 127     return false;
 128   if (a < 0 || a > 0xffff) return false;
 129   if (b < 0 || b > 0xffff) return false;
 130   if (c < 0 || c > 0xffff) return false;
 131   if (d < 0 || d > 0xffff) return false;
 132
 133   *aNumericVersion = GFX_DRIVER_VERSION(a, b, c, d);
 134   return true;
 135 }
 136
 137 }
 138 }
 139
 140 #endif /*__mozilla_widget_GfxDriverInfo_h__ */