1 files changed, 109 insertions, 0 deletions
diff --git a/gfx/thebes/gfxPlatformGtk.h b/gfx/thebes/gfxPlatformGtk.h
new file mode 100644
index 0000000000..50747ea303
--- /dev/null
+++ b/gfx/thebes/gfxPlatformGtk.h
@@ -0,0 +1,109 @@
+/* -*- 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_PLATFORM_GTK_H
+#define GFX_PLATFORM_GTK_H
+
+#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
+
+namespace mozilla {
+namespace dom {
+class SystemFontListEntry;
+};
+};  // namespace mozilla
+
+class gfxPlatformGtk final : public gfxPlatform {
+ public:
+  gfxPlatformGtk();
+  virtual ~gfxPlatformGtk();
+
+  static gfxPlatformGtk* GetPlatform() {
+    return (gfxPlatformGtk*)gfxPlatform::GetPlatform();
+  }
+
+  void ReadSystemFontList(
+      nsTArray<mozilla::dom::SystemFontListEntry>* 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;
+
+  gfxPlatformFontList* 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 {
+    gfxPlatform::GetAzureBackendInfo(aObj);
+    aObj.DefineProperty("CairoUseXRender", mozilla::gfx::gfxVars::UseXRender());
+  }
+#endif
+
+  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()
+      override;
+#endif
+
+#ifdef MOZ_WAYLAND
+  bool UseDMABufWebGL() override { return mUseWebGLDmabufBackend; }
+  void DisableDMABufWebGL() { mUseWebGLDmabufBackend = false; }
+#endif
+
+  bool IsX11Display() { return mIsX11Display; }
+  bool IsWaylandDisplay() override {
+    return !mIsX11Display && !gfxPlatform::IsHeadless();
+  }
+
+ protected:
+  void InitPlatformGPUProcessPrefs() override;
+  bool CheckVariationFontSupport() override;
+
+  int8_t mMaxGenericSubstitutions;
+
+ private:
+  nsTArray<uint8_t> GetPlatformCMSOutputProfileData() override;
+
+  bool mIsX11Display;
+#ifdef MOZ_WAYLAND
+  bool mUseWebGLDmabufBackend;
+#endif
+};
+
+#endif /* GFX_PLATFORM_GTK_H */