Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/gfx/thebes/gfxPlatformMac.h b/gfx/thebes/gfxPlatformMac.h
new file mode 100644
index 0000000000..29bbd7e877
--- /dev/null
+++ b/gfx/thebes/gfxPlatformMac.h
@@ -0,0 +1,101 @@
+/* -*- 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_MAC_H
+#define GFX_PLATFORM_MAC_H
+
+#include "nsTArrayForwardDeclare.h"
+#include "gfxPlatform.h"
+#include "mozilla/LookAndFeel.h"
+
+namespace mozilla {
+namespace gfx {
+class DrawTarget;
+class VsyncSource;
+}  // namespace gfx
+}  // namespace mozilla
+
+class gfxPlatformMac : public gfxPlatform {
+ public:
+  gfxPlatformMac();
+  virtual ~gfxPlatformMac();
+
+  // Call early in startup to register the macOS supplemental language fonts
+  // so that they're usable by the browser. This is intended to be called as
+  // early as possible, before most services etc are initialized; it starts
+  // a separate thread to register the fonts, because this is quite slow.
+  static void RegisterSupplementalFonts();
+
+  // Call from the main thread at the point where we need to start using the
+  // font list; this will wait (if necessary) for the registration thread to
+  // finish.
+  static void WaitForFontRegistration();
+
+  static gfxPlatformMac* GetPlatform() {
+    return (gfxPlatformMac*)gfxPlatform::GetPlatform();
+  }
+
+  already_AddRefed<gfxASurface> CreateOffscreenSurface(
+      const IntSize& aSize, gfxImageFormat aFormat) override;
+
+  bool CreatePlatformFontList() override;
+
+  void ReadSystemFontList(mozilla::dom::SystemFontList* aFontList) override;
+
+  void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
+                              eFontPresentation aPresentation,
+                              nsTArray<const char*>& aFontList) override;
+
+  // lookup the system font for a particular system font type and set
+  // the name and style characteristics
+  static void LookupSystemFont(mozilla::LookAndFeel::FontID aSystemFontID,
+                               nsACString& aSystemFontName,
+                               gfxFontStyle& aFontStyle);
+
+  bool SupportsApzWheelInput() const override { return true; }
+
+  bool RespectsFontStyleSmoothing() const override {
+    // gfxMacFont respects the font smoothing hint.
+    return true;
+  }
+
+  bool RequiresAcceleratedGLContextForCompositorOGL() const override {
+    // On OS X in a VM, unaccelerated CompositorOGL shows black flashes, so we
+    // require accelerated GL for CompositorOGL but allow unaccelerated GL for
+    // BasicCompositor.
+    return true;
+  }
+
+  already_AddRefed<mozilla::gfx::VsyncSource> CreateGlobalHardwareVsyncSource()
+      override;
+
+  // lower threshold on font anti-aliasing
+  uint32_t GetAntiAliasingThreshold() { return mFontAntiAliasingThreshold; }
+
+  static bool CheckVariationFontSupport();
+
+  bool SupportsHDR() override;
+
+ protected:
+  bool AccelerateLayersByDefault() override;
+
+  BackendPrefsData GetBackendPrefs() const override;
+
+  void InitPlatformGPUProcessPrefs() override;
+
+ private:
+  nsTArray<uint8_t> GetPlatformCMSOutputProfileData() override;
+
+  // read in the pref value for the lower threshold on font anti-aliasing
+  static uint32_t ReadAntiAliasingThreshold();
+
+  static void FontRegistrationCallback(void* aUnused);
+
+  uint32_t mFontAntiAliasingThreshold;
+
+  static PRThread* sFontRegistrationThread;
+};
+
+#endif /* GFX_PLATFORM_MAC_H */