components/web/firefox/patches/Bug1531742.patch

   1 Sparc DEBUG build only issue:
   2
   3 [GFX2-]: Failed to lock WindowSurface, falling back to XPutImage backend.
   4 Crash Annotation GraphicsCriticalError: |[0][GFX1]: RGBX corner pixel at (0,0) in 921x691 surface, bounded by (0,0,921,691) is not opaque: 255,162,162,162 (t=7.19982) [GFX1]: RGBX corner pixel at (0,0) in 921x691 surface, bounded by (0,0,921,691) is not opaque: 255,162,162,162
   5 Assertion failure: [GFX1]: RGBX corner pixel at (0,0) in 921x691 surface, bounded by (0,0,921,691) is not opaque: 255,162,162,162, at /scratch/firefox/gfx/2d/Logging.h:727
   6
   7 https://bugzilla.mozilla.org/show_bug.cgi?id=1325259
   8
   9 --- a/gfx/2d/DrawTargetSkia.cpp
  10 +++ b/gfx/2d/DrawTargetSkia.cpp
  11 @@ -145,8 +145,12 @@
  12    return surfaceBounds.Intersect(bounds);
  13  }
  14
  15 +#if __sparc
  16 +static const int kARGBAlphaOffset = 0;
  17 +#else
  18  static const int kARGBAlphaOffset =
  19      SurfaceFormat::A8R8G8B8_UINT32 == SurfaceFormat::B8G8R8A8 ? 3 : 0;
  20 +#endif
  21
  22  static bool VerifyRGBXFormat(uint8_t* aData, const IntSize& aSize,
  23                               const int32_t aStride, SurfaceFormat aFormat) {