gfx/thebes/gfxPlatformGtk.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef GFX_PLATFORM_GTK_H
   7 #define GFX_PLATFORM_GTK_H
   8
   9 #include "gfxPlatform.h"
  10 #include "nsAutoRef.h"
  11 #include "nsTArray.h"
  12 #include "mozilla/gfx/gfxVars.h"
  13
  14 #ifdef MOZ_X11
  15 struct _XDisplay;
  16 typedef struct _XDisplay Display;
  17 #endif  // MOZ_X11
  18
  19 class gfxPlatformGtk final : public gfxPlatform {
  20   friend class gfxPlatform;
  21
  22  public:
  23   gfxPlatformGtk();
  24   virtual ~gfxPlatformGtk();
  25
  26   static gfxPlatformGtk* GetPlatform() {
  27     return (gfxPlatformGtk*)gfxPlatform::GetPlatform();
  28   }
  29
  30   void ReadSystemFontList(mozilla::dom::SystemFontList* retValue) override;
  31
  32   already_AddRefed<gfxASurface> CreateOffscreenSurface(
  33       const IntSize& aSize, gfxImageFormat aFormat) override;
  34
  35   nsresult GetFontList(nsAtom* aLangGroup, const nsACString& aGenericFamily,
  36                        nsTArray<nsString>& aListOfFonts) override;
  37
  38   void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
  39                               eFontPresentation aPresentation,
  40                               nsTArray<const char*>& aFontList) override;
  41
  42   bool CreatePlatformFontList() override;
  43
  44   static int32_t GetFontScaleDPI();
  45   static double GetFontScaleFactor();
  46
  47   gfxImageFormat GetOffscreenFormat() override;
  48
  49   bool SupportsApzWheelInput() const override { return true; }
  50
  51   void FontsPrefsChanged(const char* aPref) override;
  52
  53   bool SupportsPluginDirectBitmapDrawing() override { return true; }
  54
  55   bool AccelerateLayersByDefault() override;
  56
  57   already_AddRefed<mozilla::gfx::VsyncSource> CreateGlobalHardwareVsyncSource()
  58       override;
  59
  60   bool IsX11Display() { return mIsX11Display; }
  61   bool IsWaylandDisplay() override {
  62     return !mIsX11Display && !gfxPlatform::IsHeadless();
  63   }
  64
  65   static bool CheckVariationFontSupport();
  66
  67  protected:
  68   void InitAcceleration() override;
  69   void InitX11EGLConfig();
  70   void InitDmabufConfig();
  71   bool InitVAAPIConfig(bool aForceEnabledByUser);
  72   void InitPlatformGPUProcessPrefs() override;
  73   void InitWebRenderConfig() override;
  74   void BuildContentDeviceData(mozilla::gfx::ContentDeviceData* aOut) override;
  75
  76  private:
  77   nsTArray<uint8_t> GetPlatformCMSOutputProfileData() override;
  78
  79   bool mIsX11Display;
  80 };
  81
  82 // Wrapper for third party code (WebRTC for instance) where
  83 // gfxVars can't be included.
  84 namespace mozilla::gfx {
  85 bool IsDMABufEnabled();
  86 }
  87
  88 #endif /* GFX_PLATFORM_GTK_H */