mirror of
https://github.com/mozilla/gecko-dev.git
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781bb53269
No functional change, just simplifying the code a bit. Depends on D154235 Differential Revision: https://phabricator.services.mozilla.com/D154236
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_PLATFORM_MAC_H
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#define GFX_PLATFORM_MAC_H
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#include "nsTArrayForwardDeclare.h"
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#include "gfxPlatform.h"
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#include "mozilla/LookAndFeel.h"
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namespace mozilla {
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namespace gfx {
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class DrawTarget;
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class VsyncSource;
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} // namespace gfx
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} // namespace mozilla
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class gfxPlatformMac : public gfxPlatform {
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public:
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gfxPlatformMac();
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virtual ~gfxPlatformMac();
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// Call early in startup to register the macOS supplemental language fonts
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// so that they're usable by the browser. This is intended to be called as
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// early as possible, before most services etc are initialized; it starts
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// a separate thread to register the fonts, because this is quite slow.
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static void RegisterSupplementalFonts();
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// Call from the main thread at the point where we need to start using the
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// font list; this will wait (if necessary) for the registration thread to
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// finish.
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static void WaitForFontRegistration();
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static gfxPlatformMac* GetPlatform() {
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return (gfxPlatformMac*)gfxPlatform::GetPlatform();
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}
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already_AddRefed<gfxASurface> CreateOffscreenSurface(
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const IntSize& aSize, gfxImageFormat aFormat) override;
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bool CreatePlatformFontList() override;
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void ReadSystemFontList(mozilla::dom::SystemFontList* aFontList) override;
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void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
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eFontPresentation aPresentation,
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nsTArray<const char*>& aFontList) override;
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// lookup the system font for a particular system font type and set
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// the name and style characteristics
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static void LookupSystemFont(mozilla::LookAndFeel::FontID aSystemFontID,
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nsACString& aSystemFontName,
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gfxFontStyle& aFontStyle);
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bool SupportsApzWheelInput() const override { return true; }
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bool RespectsFontStyleSmoothing() const override {
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// gfxMacFont respects the font smoothing hint.
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return true;
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}
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bool RequiresAcceleratedGLContextForCompositorOGL() const override {
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// On OS X in a VM, unaccelerated CompositorOGL shows black flashes, so we
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// require accelerated GL for CompositorOGL but allow unaccelerated GL for
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// BasicCompositor.
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return true;
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}
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already_AddRefed<mozilla::gfx::VsyncSource> CreateGlobalHardwareVsyncSource()
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override;
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// lower threshold on font anti-aliasing
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uint32_t GetAntiAliasingThreshold() { return mFontAntiAliasingThreshold; }
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static bool CheckVariationFontSupport();
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protected:
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bool AccelerateLayersByDefault() override;
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BackendPrefsData GetBackendPrefs() const override;
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void InitPlatformGPUProcessPrefs() override;
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private:
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nsTArray<uint8_t> GetPlatformCMSOutputProfileData() override;
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// read in the pref value for the lower threshold on font anti-aliasing
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static uint32_t ReadAntiAliasingThreshold();
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static void FontRegistrationCallback(void* aUnused);
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uint32_t mFontAntiAliasingThreshold;
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static PRThread* sFontRegistrationThread;
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};
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#endif /* GFX_PLATFORM_MAC_H */
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