widget/xpwidgets/GfxDriverInfo.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/xpwidgets/GfxDriverInfo.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,257 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef __mozilla_widget_GfxDriverInfo_h__
    1.10 +#define __mozilla_widget_GfxDriverInfo_h__
    1.11 +
    1.12 +#include "mozilla/ArrayUtils.h" // ArrayLength
    1.13 +#include "nsString.h"
    1.14 +
    1.15 +// Macros for adding a blocklist item to the static list.
    1.16 +#define APPEND_TO_DRIVER_BLOCKLIST(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion, suggestedVersion) \
    1.17 +    mDriverInfo->AppendElement(GfxDriverInfo(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion, suggestedVersion))
    1.18 +#define APPEND_TO_DRIVER_BLOCKLIST2(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion) \
    1.19 +    mDriverInfo->AppendElement(GfxDriverInfo(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion))
    1.20 +
    1.21 +#define APPEND_TO_DRIVER_BLOCKLIST_RANGE(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion, driverVersionMax, suggestedVersion) \
    1.22 +    do { \
    1.23 +      MOZ_ASSERT(driverComparator == DRIVER_BETWEEN_EXCLUSIVE || \
    1.24 +                 driverComparator == DRIVER_BETWEEN_INCLUSIVE || \
    1.25 +                 driverComparator == DRIVER_BETWEEN_INCLUSIVE_START); \
    1.26 +      GfxDriverInfo info(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion, suggestedVersion); \
    1.27 +      info.mDriverVersionMax = driverVersionMax; \
    1.28 +      mDriverInfo->AppendElement(info); \
    1.29 +    } while (false)
    1.30 +
    1.31 +namespace mozilla {
    1.32 +namespace widget {
    1.33 +
    1.34 +enum OperatingSystem {
    1.35 +  DRIVER_OS_UNKNOWN = 0,
    1.36 +  DRIVER_OS_WINDOWS_XP,
    1.37 +  DRIVER_OS_WINDOWS_SERVER_2003,
    1.38 +  DRIVER_OS_WINDOWS_VISTA,
    1.39 +  DRIVER_OS_WINDOWS_7,
    1.40 +  DRIVER_OS_WINDOWS_8,
    1.41 +  DRIVER_OS_WINDOWS_8_1,
    1.42 +  DRIVER_OS_LINUX,
    1.43 +  DRIVER_OS_OS_X_10_5,
    1.44 +  DRIVER_OS_OS_X_10_6,
    1.45 +  DRIVER_OS_OS_X_10_7,
    1.46 +  DRIVER_OS_OS_X_10_8,
    1.47 +  DRIVER_OS_ANDROID,
    1.48 +  DRIVER_OS_ALL
    1.49 +};
    1.50 +
    1.51 +enum VersionComparisonOp {
    1.52 +  DRIVER_LESS_THAN,             // driver <  version
    1.53 +  DRIVER_LESS_THAN_OR_EQUAL,    // driver <= version
    1.54 +  DRIVER_GREATER_THAN,          // driver >  version
    1.55 +  DRIVER_GREATER_THAN_OR_EQUAL, // driver >= version
    1.56 +  DRIVER_EQUAL,                 // driver == version
    1.57 +  DRIVER_NOT_EQUAL,             // driver != version
    1.58 +  DRIVER_BETWEEN_EXCLUSIVE,     // driver > version && driver < versionMax
    1.59 +  DRIVER_BETWEEN_INCLUSIVE,     // driver >= version && driver <= versionMax
    1.60 +  DRIVER_BETWEEN_INCLUSIVE_START, // driver >= version && driver < versionMax
    1.61 +  DRIVER_COMPARISON_IGNORED
    1.62 +};
    1.63 +
    1.64 +enum DeviceFamily {
    1.65 +  IntelGMA500,
    1.66 +  IntelGMA900,
    1.67 +  IntelGMA950,
    1.68 +  IntelGMA3150,
    1.69 +  IntelGMAX3000,
    1.70 +  IntelGMAX4500HD,
    1.71 +  IntelMobileHDGraphics,
    1.72 +  NvidiaBlockD3D9Layers,
    1.73 +  RadeonX1000,
    1.74 +  Geforce7300GT,
    1.75 +  DeviceFamilyMax
    1.76 +};
    1.77 +
    1.78 +enum DeviceVendor {
    1.79 +  VendorAll,
    1.80 +  VendorIntel,
    1.81 +  VendorNVIDIA,
    1.82 +  VendorAMD,
    1.83 +  VendorATI,
    1.84 +  VendorMicrosoft,
    1.85 +  DeviceVendorMax
    1.86 +};
    1.87 +
    1.88 +/* Array of devices to match, or an empty array for all devices */
    1.89 +typedef nsTArray<nsString> GfxDeviceFamily;
    1.90 +
    1.91 +struct GfxDriverInfo
    1.92 +{
    1.93 +  // If |ownDevices| is true, you are transferring ownership of the devices
    1.94 +  // array, and it will be deleted when this GfxDriverInfo is destroyed.
    1.95 +  GfxDriverInfo(OperatingSystem os, nsAString& vendor, GfxDeviceFamily* devices,
    1.96 +                int32_t feature, int32_t featureStatus, VersionComparisonOp op,
    1.97 +                uint64_t driverVersion, const char *suggestedVersion = nullptr,
    1.98 +                bool ownDevices = false);
    1.99 +
   1.100 +  GfxDriverInfo();
   1.101 +  GfxDriverInfo(const GfxDriverInfo&);
   1.102 +  ~GfxDriverInfo();
   1.103 +
   1.104 +  OperatingSystem mOperatingSystem;
   1.105 +  uint32_t mOperatingSystemVersion;
   1.106 +
   1.107 +  nsString mAdapterVendor;
   1.108 +
   1.109 +  static GfxDeviceFamily* const allDevices;
   1.110 +  GfxDeviceFamily* mDevices;
   1.111 +
   1.112 +  // Whether the mDevices array should be deleted when this structure is
   1.113 +  // deallocated. False by default.
   1.114 +  bool mDeleteDevices;
   1.115 +
   1.116 +  /* A feature from nsIGfxInfo, or all features */
   1.117 +  int32_t mFeature;
   1.118 +  static int32_t allFeatures;
   1.119 +
   1.120 +  /* A feature status from nsIGfxInfo */
   1.121 +  int32_t mFeatureStatus;
   1.122 +
   1.123 +  VersionComparisonOp mComparisonOp;
   1.124 +
   1.125 +  /* versions are assumed to be A.B.C.D packed as 0xAAAABBBBCCCCDDDD */
   1.126 +  uint64_t mDriverVersion;
   1.127 +  uint64_t mDriverVersionMax;
   1.128 +  static uint64_t allDriverVersions;
   1.129 +
   1.130 +  const char *mSuggestedVersion;
   1.131 +
   1.132 +  static const GfxDeviceFamily* GetDeviceFamily(DeviceFamily id);
   1.133 +  static GfxDeviceFamily* mDeviceFamilies[DeviceFamilyMax];
   1.134 +
   1.135 +  static const nsAString& GetDeviceVendor(DeviceVendor id);
   1.136 +  static nsAString* mDeviceVendors[DeviceVendorMax];
   1.137 +
   1.138 +  nsString mModel, mHardware, mProduct, mManufacturer;
   1.139 +};
   1.140 +
   1.141 +#define GFX_DRIVER_VERSION(a,b,c,d) \
   1.142 +  ((uint64_t(a)<<48) | (uint64_t(b)<<32) | (uint64_t(c)<<16) | uint64_t(d))
   1.143 +
   1.144 +inline uint64_t
   1.145 +V(uint32_t a, uint32_t b, uint32_t c, uint32_t d)
   1.146 +{
   1.147 +  // We make sure every driver number is padded by 0s, this will allow us the
   1.148 +  // easiest 'compare as if decimals' approach. See ParseDriverVersion for a
   1.149 +  // more extensive explanation of this approach.
   1.150 +  while (b > 0 && b < 1000) {
   1.151 +    b *= 10;
   1.152 +  }
   1.153 +  while (c > 0 && c < 1000) {
   1.154 +    c *= 10;
   1.155 +  }
   1.156 +  while (d > 0 && d < 1000) {
   1.157 +    d *= 10;
   1.158 +  }
   1.159 +  return GFX_DRIVER_VERSION(a, b, c, d);
   1.160 +}
   1.161 +
   1.162 +// All destination string storage needs to have at least 5 bytes available.
   1.163 +inline bool SplitDriverVersion(const char *aSource, char *aAStr, char *aBStr, char *aCStr, char *aDStr)
   1.164 +{
   1.165 +  // sscanf doesn't do what we want here to we parse this manually.
   1.166 +  int len = strlen(aSource);
   1.167 +  char *dest[4] = { aAStr, aBStr, aCStr, aDStr };
   1.168 +  unsigned destIdx = 0;
   1.169 +  unsigned destPos = 0;
   1.170 +
   1.171 +  for (int i = 0; i < len; i++) {
   1.172 +    if (destIdx > ArrayLength(dest)) {
   1.173 +      // Invalid format found. Ensure we don't access dest beyond bounds.
   1.174 +      return false;
   1.175 +    }
   1.176 +
   1.177 +    if (aSource[i] == '.') {
   1.178 +      dest[destIdx++][destPos] = 0;
   1.179 +      destPos = 0;
   1.180 +      continue;
   1.181 +    }
   1.182 +
   1.183 +    if (destPos > 3) {
   1.184 +      // Ignore more than 4 chars. Ensure we never access dest[destIdx]
   1.185 +      // beyond its bounds.
   1.186 +      continue;
   1.187 +    }
   1.188 +
   1.189 +    dest[destIdx][destPos++] = aSource[i];
   1.190 +  }
   1.191 +
   1.192 +  // Add last terminator.
   1.193 +  dest[destIdx][destPos] = 0;
   1.194 +
   1.195 +  if (destIdx != ArrayLength(dest) - 1) {
   1.196 +    return false;
   1.197 +  }
   1.198 +  return true;
   1.199 +}
   1.200 +
   1.201 +// This allows us to pad driver version 'substrings' with 0s, this
   1.202 +// effectively allows us to treat the version numbers as 'decimals'. This is
   1.203 +// a little strange but this method seems to do the right thing for all
   1.204 +// different vendor's driver strings. i.e. .98 will become 9800, which is
   1.205 +// larger than .978 which would become 9780.
   1.206 +inline void PadDriverDecimal(char *aString)
   1.207 +{
   1.208 +  for (int i = 0; i < 4; i++) {
   1.209 +    if (!aString[i]) {
   1.210 +      for (int c = i; c < 4; c++) {
   1.211 +        aString[c] = '0';
   1.212 +      }
   1.213 +      break;
   1.214 +    }
   1.215 +  }
   1.216 +  aString[4] = 0;
   1.217 +}
   1.218 +
   1.219 +inline bool
   1.220 +ParseDriverVersion(const nsAString& aVersion, uint64_t *aNumericVersion)
   1.221 +{
   1.222 +  *aNumericVersion = 0;
   1.223 +
   1.224 +#if defined(XP_WIN)
   1.225 +  int a, b, c, d;
   1.226 +  char aStr[8], bStr[8], cStr[8], dStr[8];
   1.227 +  /* honestly, why do I even bother */
   1.228 +  if (!SplitDriverVersion(NS_LossyConvertUTF16toASCII(aVersion).get(), aStr, bStr, cStr, dStr))
   1.229 +    return false;
   1.230 +
   1.231 +  PadDriverDecimal(bStr);
   1.232 +  PadDriverDecimal(cStr);
   1.233 +  PadDriverDecimal(dStr);
   1.234 +
   1.235 +  a = atoi(aStr);
   1.236 +  b = atoi(bStr);
   1.237 +  c = atoi(cStr);
   1.238 +  d = atoi(dStr);
   1.239 +
   1.240 +  if (a < 0 || a > 0xffff) return false;
   1.241 +  if (b < 0 || b > 0xffff) return false;
   1.242 +  if (c < 0 || c > 0xffff) return false;
   1.243 +  if (d < 0 || d > 0xffff) return false;
   1.244 +
   1.245 +  *aNumericVersion = GFX_DRIVER_VERSION(a, b, c, d);
   1.246 +  return true;
   1.247 +#elif defined(ANDROID)
   1.248 +  // Can't use aVersion.ToInteger() because that's not compiled into our code
   1.249 +  // unless we have XPCOM_GLUE_AVOID_NSPR disabled.
   1.250 +  *aNumericVersion = atoi(NS_LossyConvertUTF16toASCII(aVersion).get());
   1.251 +  return true;
   1.252 +#else
   1.253 +  return false;
   1.254 +#endif
   1.255 +}
   1.256 +
   1.257 +}
   1.258 +}
   1.259 +
   1.260 +#endif /*__mozilla_widget_GfxDriverInfo_h__ */

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