/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "prtypes.h"
#include "nsString.h"

#ifndef __mozilla_widget_GfxDriverInfo_h__
#define __mozilla_widget_GfxDriverInfo_h__

#define V(a,b,c,d) GFX_DRIVER_VERSION(a,b,c,d)

// Macros for adding a blocklist item to the static list.
#define APPEND_TO_DRIVER_BLOCKLIST(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion, suggestedVersion) \
    mDriverInfo->AppendElement(GfxDriverInfo(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion, suggestedVersion))
#define APPEND_TO_DRIVER_BLOCKLIST2(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion) \
    mDriverInfo->AppendElement(GfxDriverInfo(os, vendor, devices, feature, featureStatus, driverComparator, driverVersion))

namespace mozilla {
namespace widget {

enum OperatingSystem {
  DRIVER_OS_UNKNOWN = 0,
  DRIVER_OS_WINDOWS_XP,
  DRIVER_OS_WINDOWS_SERVER_2003,
  DRIVER_OS_WINDOWS_VISTA,
  DRIVER_OS_WINDOWS_7,
  DRIVER_OS_LINUX,
  DRIVER_OS_OS_X_10_5,
  DRIVER_OS_OS_X_10_6,
  DRIVER_OS_OS_X_10_7,
  DRIVER_OS_ANDROID,
  DRIVER_OS_ALL
};

enum VersionComparisonOp {
  DRIVER_LESS_THAN,             // driver <  version
  DRIVER_LESS_THAN_OR_EQUAL,    // driver <= version
  DRIVER_GREATER_THAN,          // driver >  version
  DRIVER_GREATER_THAN_OR_EQUAL, // driver >= version
  DRIVER_EQUAL,                 // driver == version
  DRIVER_NOT_EQUAL,             // driver != version
  DRIVER_BETWEEN_EXCLUSIVE,     // driver > version && driver < versionMax
  DRIVER_BETWEEN_INCLUSIVE,     // driver >= version && driver <= versionMax
  DRIVER_BETWEEN_INCLUSIVE_START, // driver >= version && driver < versionMax
  DRIVER_COMPARISON_IGNORED
};

enum DeviceFamily {
  IntelGMA500,
  IntelGMA900,
  IntelGMA950,
  IntelGMA3150,
  IntelGMAX3000,
  IntelGMAX4500HD,
  NvidiaBlockD3D9Layers,
  RadeonX1000,
  Geforce7300GT,
  DeviceFamilyMax
};

enum DeviceVendor {
  VendorAll,
  VendorIntel,
  VendorNVIDIA,
  VendorAMD,
  VendorATI,
  DeviceVendorMax
};

/* Array of devices to match, or an empty array for all devices */
typedef nsTArray<nsString> GfxDeviceFamily;

struct GfxDriverInfo
{
  // If |ownDevices| is true, you are transferring ownership of the devices
  // array, and it will be deleted when this GfxDriverInfo is destroyed.
  GfxDriverInfo(OperatingSystem os, nsAString& vendor, GfxDeviceFamily* devices,
                PRInt32 feature, PRInt32 featureStatus, VersionComparisonOp op,
                PRUint64 driverVersion, const char *suggestedVersion = nullptr,
                bool ownDevices = false);

  GfxDriverInfo();
  GfxDriverInfo(const GfxDriverInfo&);
  ~GfxDriverInfo();

  OperatingSystem mOperatingSystem;

  nsString mAdapterVendor;

  static GfxDeviceFamily* const allDevices;
  GfxDeviceFamily* mDevices;

  // Whether the mDevices array should be deleted when this structure is
  // deallocated. False by default.
  bool mDeleteDevices;

  /* A feature from nsIGfxInfo, or all features */
  PRInt32 mFeature;
  static PRInt32 allFeatures;

  /* A feature status from nsIGfxInfo */
  PRInt32 mFeatureStatus;

  VersionComparisonOp mComparisonOp;

  /* versions are assumed to be A.B.C.D packed as 0xAAAABBBBCCCCDDDD */
  PRUint64 mDriverVersion;
  PRUint64 mDriverVersionMax;
  static PRUint64 allDriverVersions;

  const char *mSuggestedVersion;

  static const GfxDeviceFamily* GetDeviceFamily(DeviceFamily id);
  static GfxDeviceFamily* mDeviceFamilies[DeviceFamilyMax];

  static const nsAString& GetDeviceVendor(DeviceVendor id);
  static nsAString* mDeviceVendors[DeviceVendorMax];
};

#define GFX_DRIVER_VERSION(a,b,c,d) \
  ((PRUint64(a)<<48) | (PRUint64(b)<<32) | (PRUint64(c)<<16) | PRUint64(d))

inline bool
ParseDriverVersion(nsAString& aVersion, PRUint64 *aNumericVersion)
{
#if defined(XP_WIN)
  int a, b, c, d;
  /* honestly, why do I even bother */
  if (sscanf(NS_LossyConvertUTF16toASCII(aVersion).get(),
             "%d.%d.%d.%d", &a, &b, &c, &d) != 4)
    return false;
  if (a < 0 || a > 0xffff) return false;
  if (b < 0 || b > 0xffff) return false;
  if (c < 0 || c > 0xffff) return false;
  if (d < 0 || d > 0xffff) return false;

  *aNumericVersion = GFX_DRIVER_VERSION(a, b, c, d);
#elif defined(ANDROID)
  // Can't use aVersion.ToInteger() because that's not compiled into our code
  // unless we have XPCOM_GLUE_AVOID_NSPR disabled.
  *aNumericVersion = atoi(NS_LossyConvertUTF16toASCII(aVersion).get());
#endif
  return true;
}

}
}

#endif /*__mozilla_widget_GfxDriverInfo_h__ */