Add m-esr52 at 52.6.0

1 files changed, 96 insertions, 0 deletions

diff --git a/gfx/thebes/gfxPlatformMac.h b/gfx/thebes/gfxPlatformMac.h
new file mode 100644
index 000000000..0807614f6
--- /dev/null
+++ b/gfx/thebes/gfxPlatformMac.h
@@ -0,0 +1,96 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * 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();
+
+    static gfxPlatformMac *GetPlatform() {
+        return (gfxPlatformMac*) gfxPlatform::GetPlatform();
+    }
+
+    virtual already_AddRefed<gfxASurface>
+      CreateOffscreenSurface(const IntSize& aSize,
+                             gfxImageFormat aFormat) override;
+
+    already_AddRefed<mozilla::gfx::ScaledFont>
+      GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont) override;
+
+    gfxFontGroup*
+    CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
+                    const gfxFontStyle *aStyle,
+                    gfxTextPerfMetrics* aTextPerf,
+                    gfxUserFontSet *aUserFontSet,
+                    gfxFloat aDevToCssSize) override;
+
+    virtual gfxPlatformFontList* CreatePlatformFontList() override;
+
+    bool IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags) override;
+
+    virtual void GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
+                                        Script aRunScript,
+                                        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,
+                     nsAString& aSystemFontName,
+                     gfxFontStyle &aFontStyle,
+                     float aDevPixPerCSSPixel);
+
+    virtual bool CanRenderContentToDataSurface() const override {
+      return true;
+    }
+
+    virtual 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;
+    }
+
+    virtual already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource() override;
+
+    // lower threshold on font anti-aliasing
+    uint32_t GetAntiAliasingThreshold() { return mFontAntiAliasingThreshold; }
+
+protected:
+    bool AccelerateLayersByDefault() override;
+
+private:
+    virtual void GetPlatformCMSOutputProfile(void* &mem, size_t &size) override;
+
+    // read in the pref value for the lower threshold on font anti-aliasing
+    static uint32_t ReadAntiAliasingThreshold();
+
+    uint32_t mFontAntiAliasingThreshold;
+};
+
+#endif /* GFX_PLATFORM_MAC_H */