author André Bargull <>
Fri, 18 Jun 2021 06:41:37 +0000
changeset 583788 d70c3d846c395717c429cd3f3433457f5f92dced
parent 580591 98f55de0f9f51de8a9e83e83fbe3e1ee96b74403
permissions -rw-r--r--
Bug 1653024 - Part 2: Enable test262 feature for Intl.DateTimeFormat.prototype.formatRange by default. r=tcampbell Depends on D118026 Differential Revision:

/* -*- Mode: C++; tab-width: 20; 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 */


#include "gfxPlatform.h"
#include "nsAutoRef.h"
#include "nsTArray.h"
#include "mozilla/gfx/gfxVars.h"

#ifdef MOZ_X11
struct _XDisplay;
typedef struct _XDisplay Display;
#endif  // MOZ_X11

class gfxPlatformGtk final : public gfxPlatform {
  virtual ~gfxPlatformGtk();

  static gfxPlatformGtk* GetPlatform() {
    return (gfxPlatformGtk*)gfxPlatform::GetPlatform();

  void ReadSystemFontList(mozilla::dom::SystemFontList* retValue) override;

  already_AddRefed<gfxASurface> CreateOffscreenSurface(
      const IntSize& aSize, gfxImageFormat aFormat) override;

  nsresult GetFontList(nsAtom* aLangGroup, const nsACString& aGenericFamily,
                       nsTArray<nsString>& aListOfFonts) override;

  void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
                              eFontPresentation aPresentation,
                              nsTArray<const char*>& aFontList) override;

  bool CreatePlatformFontList() override;

   * Calls XFlush if xrender is enabled.
  void FlushContentDrawing() override;

  static int32_t GetFontScaleDPI();
  static double GetFontScaleFactor();

#ifdef MOZ_X11
  void GetAzureBackendInfo(mozilla::widget::InfoObject& aObj) override {
    aObj.DefineProperty("CairoUseXRender", mozilla::gfx::gfxVars::UseXRender());

  bool UseImageOffscreenSurfaces();

  gfxImageFormat GetOffscreenFormat() override;

  bool SupportsApzWheelInput() const override { return true; }

  void FontsPrefsChanged(const char* aPref) override;

  // maximum number of fonts to substitute for a generic
  uint32_t MaxGenericSubstitions();

  bool SupportsPluginDirectBitmapDrawing() override { return true; }

  bool AccelerateLayersByDefault() override;

#ifdef MOZ_X11
  already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource()

  bool UseDMABufWebGL() override;
  void DisableDMABufWebGL() { mUseWebGLDmabufBackend = false; }

  bool IsX11Display() { return mIsX11Display; }
  bool IsWaylandDisplay() override {
    return !mIsX11Display && !gfxPlatform::IsHeadless();

  void InitX11EGLConfig();
  void InitDmabufConfig();
  void InitPlatformGPUProcessPrefs() override;
  void InitWebRenderConfig() override;
  bool CheckVariationFontSupport() override;

  int8_t mMaxGenericSubstitutions;

  nsTArray<uint8_t> GetPlatformCMSOutputProfileData() override;

  bool mIsX11Display;
  bool mUseWebGLDmabufBackend;

#endif /* GFX_PLATFORM_GTK_H */