widget/GfxInfoX11.h
author Nicholas Nethercote <nnethercote@mozilla.com>
Wed, 25 Oct 2017 10:22:38 +1100
changeset 387909 3d0093f961eec929caa370444cd0f7fcbfbc82bc
parent 314690 e2d2897e4a7449759267bf168e6b37f7b8c3a94b
child 406296 c760a091c248571842dcd3b552dc1ed72f23e69d
permissions -rw-r--r--
Bug 1410794 - Change some |string| occurrences in nsIPrefBranch.idl to |ACString|. r=erahm. This makes the code nicer. In particular, it removes many getter_Copies() calls. The patch also converts a lot of nsCStrings to nsAutoCString, which will avoid heap allocation in the common case. The patch also renames PREF_CopyCharPref() as PREF_GetCStringPref(), because it's actually getting a string, not a char, and that matches the existing GetCString() and GetDefaultCString() methods. Correspondingly, it also renames PREF_SetCharPref() as PREF_SetCStringPref(). The |aPrefName| arguments in nsIPrefBranch.idl remain as |string| because they almost always involve passing in C string literals, and passing "foo" is much nicer than passing NS_LITERAL_CSTRING("foo"). It's worth noting that early versions of this patch used |AUTF8String| instead of |ACString|. But it turns out that libpref stores prefs internally as Latin1. And |ACString| is compatible with Latin1 but |AUTF8String| isn't, because non-ASCII Latin1 strings are not valid UTF-8!

/* vim: se cin sw=2 ts=2 et : */
/* -*- 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/. */

#ifndef __GfxInfoX11_h__
#define __GfxInfoX11_h__

#include "GfxInfoBase.h"

namespace mozilla {
namespace widget {

class GfxInfo final : public GfxInfoBase
{
public:

  // We only declare the subset of nsIGfxInfo that we actually implement. The
  // rest is brought forward from GfxInfoBase.
  NS_IMETHOD GetD2DEnabled(bool *aD2DEnabled) override;
  NS_IMETHOD GetDWriteEnabled(bool *aDWriteEnabled) override;
  NS_IMETHOD GetDWriteVersion(nsAString & aDwriteVersion) override;
  NS_IMETHOD GetCleartypeParameters(nsAString & aCleartypeParams) override;
  NS_IMETHOD GetAdapterDescription(nsAString & aAdapterDescription) override;
  NS_IMETHOD GetAdapterDriver(nsAString & aAdapterDriver) override;
  NS_IMETHOD GetAdapterVendorID(nsAString & aAdapterVendorID) override;
  NS_IMETHOD GetAdapterDeviceID(nsAString & aAdapterDeviceID) override;
  NS_IMETHOD GetAdapterSubsysID(nsAString & aAdapterSubsysID) override;
  NS_IMETHOD GetAdapterRAM(nsAString & aAdapterRAM) override;
  NS_IMETHOD GetAdapterDriverVersion(nsAString & aAdapterDriverVersion) override;
  NS_IMETHOD GetAdapterDriverDate(nsAString & aAdapterDriverDate) override;
  NS_IMETHOD GetAdapterDescription2(nsAString & aAdapterDescription) override;
  NS_IMETHOD GetAdapterDriver2(nsAString & aAdapterDriver) override;
  NS_IMETHOD GetAdapterVendorID2(nsAString & aAdapterVendorID) override;
  NS_IMETHOD GetAdapterDeviceID2(nsAString & aAdapterDeviceID) override;
  NS_IMETHOD GetAdapterSubsysID2(nsAString & aAdapterSubsysID) override;
  NS_IMETHOD GetAdapterRAM2(nsAString & aAdapterRAM) override;
  NS_IMETHOD GetAdapterDriverVersion2(nsAString & aAdapterDriverVersion) override;
  NS_IMETHOD GetAdapterDriverDate2(nsAString & aAdapterDriverDate) override;
  NS_IMETHOD GetIsGPU2Active(bool *aIsGPU2Active) override;
  using GfxInfoBase::GetFeatureStatus;
  using GfxInfoBase::GetFeatureSuggestedDriverVersion;
  using GfxInfoBase::GetWebGLParameter;

  virtual nsresult Init() override;
  
  NS_IMETHOD_(void) GetData() override;

#ifdef DEBUG
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIGFXINFODEBUG
#endif

protected:
  ~GfxInfo() {}

  virtual nsresult GetFeatureStatusImpl(int32_t aFeature,
                                        int32_t *aStatus,
                                        nsAString & aSuggestedDriverVersion,
                                        const nsTArray<GfxDriverInfo>& aDriverInfo,
                                        nsACString& aFailureId,
                                        OperatingSystem* aOS = nullptr) override;
  virtual const nsTArray<GfxDriverInfo>& GetGfxDriverInfo() override;

private:
  nsCString mVendor;
  nsCString mRenderer;
  nsCString mVersion;
  nsCString mAdapterDescription;
  nsCString mOS;
  nsCString mOSRelease;
  bool mIsMesa, mIsNVIDIA, mIsFGLRX, mIsNouveau, mIsIntel, mIsOldSwrast, mIsLlvmpipe;
  bool mHasTextureFromPixmap;
  int mGLMajorVersion, mMajorVersion, mMinorVersion, mRevisionVersion;

  void AddCrashReportAnnotations();
};

} // namespace widget
} // namespace mozilla

#endif /* __GfxInfoX11_h__ */