bug-722975-workaround.patch

   1 https://bugzilla.mozilla.org/show_bug.cgi?id=722975
   2 https://bug722975.bugzilla.mozilla.org/attachment.cgi?id=595000
   3
   4 --- firefox/gfx/thebes/gfxPlatform.cpp~ 2012-02-07 11:59:39.717184907 +0000
   5 +++ firefox/gfx/thebes/gfxPlatform.cpp  2012-02-07 13:06:01.084668445 +0000
   6 @@ -446,6 +446,7 @@
   7    static_cast<SourceSurface*>(srcBuffer)->Release();
   8  }
   9
  10 +#ifdef MOZ_TREE_CAIRO
  11  void SourceSnapshotDetached(cairo_surface_t *nullSurf)
  12  {
  13    gfxImageSurface* origSurf =
  14 @@ -453,6 +454,7 @@
  15
  16    origSurf->SetData(&kSourceSurface, NULL, NULL);
  17  }
  18 +#endif
  19
  20  RefPtr<SourceSurface>
  21  gfxPlatform::GetSourceSurfaceForSurface(DrawTarget *aTarget, gfxASurface *aSurface)
  22 @@ -522,6 +524,7 @@
  23                                                       imgSurface->Stride(),
  24                                                       format);
  25
  26 +    #ifdef MOZ_TREE_CAIRO
  27      cairo_surface_t *nullSurf =
  28         cairo_null_surface_create(CAIRO_CONTENT_COLOR_ALPHA);
  29      cairo_surface_set_user_data(nullSurf,
  30 @@ -530,6 +533,7 @@
  31                                 NULL);
  32      cairo_surface_attach_snapshot(imgSurface->CairoSurface(), nullSurf, SourceSnapshotDetached);
  33      cairo_surface_destroy(nullSurf);
  34 +    #endif
  35    }
  36
  37    srcBuffer->AddRef();