1 files changed, 91 insertions, 0 deletions
diff --git a/graphics/openexr/files/patch-IlmImf_ImfFrameBuffer.cpp b/graphics/openexr/files/patch-IlmImf_ImfFrameBuffer.cpp
new file mode 100644
index 000000000000..95bfd885699a
--- /dev/null
+++ b/graphics/openexr/files/patch-IlmImf_ImfFrameBuffer.cpp
@@ -0,0 +1,91 @@
+--- IlmImf/ImfFrameBuffer.cpp.orig	2018-08-10 01:34:58 UTC
++++ IlmImf/ImfFrameBuffer.cpp
+@@ -74,6 +74,88 @@ Slice::Slice (PixelType t,
+     // empty
+ }
+ 
++Slice
++Slice::Make (
++    PixelType                   type,
++    const void*                 ptr,
++    const IMATH_NAMESPACE::V2i& origin,
++    int64_t                     w,
++    int64_t                     h,
++    size_t                      xStride,
++    size_t                      yStride,
++    int                         xSampling,
++    int                         ySampling,
++    double                      fillValue,
++    bool                        xTileCoords,
++    bool                        yTileCoords)
++{
++    char* base = reinterpret_cast<char*> (const_cast<void *> (ptr));
++    if (xStride == 0)
++    {
++        switch (type)
++        {
++            case UINT: xStride = sizeof (uint32_t); break;
++            case HALF: xStride = sizeof (uint16_t); break;
++            case FLOAT: xStride = sizeof (float); break;
++            case NUM_PIXELTYPES:
++                THROW (IEX_NAMESPACE::ArgExc, "Invalid pixel type.");
++        }
++    }
++    if (yStride == 0)
++        yStride = static_cast<size_t> (w / xSampling) * xStride;
++
++    // data window is an int, so force promote to higher type to avoid
++    // overflow for off y (degenerate size checks should be in
++    // ImfHeader::sanityCheck, but offset can be large-ish)
++    int64_t offx = (static_cast<int64_t> (origin.x) /
++                    static_cast<int64_t> (xSampling));
++    offx *= static_cast<int64_t> (xStride);
++
++    int64_t offy = (static_cast<int64_t> (origin.y) /
++                    static_cast<int64_t> (ySampling));
++    offy *= static_cast<int64_t> (yStride);
++
++    return Slice (
++        type,
++        base - offx - offy,
++        xStride,
++        yStride,
++        xSampling,
++        ySampling,
++        fillValue,
++        xTileCoords,
++        yTileCoords);
++}
++
++Slice
++Slice::Make (
++    PixelType                     type,
++    const void*                   ptr,
++    const IMATH_NAMESPACE::Box2i& dataWindow,
++    size_t                        xStride,
++    size_t                        yStride,
++    int                           xSampling,
++    int                           ySampling,
++    double                        fillValue,
++    bool                          xTileCoords,
++    bool                          yTileCoords)
++{
++    return Make (
++        type,
++        ptr,
++        dataWindow.min,
++        static_cast<int64_t> (dataWindow.max.x) -
++            static_cast<int64_t> (dataWindow.min.x) + 1,
++        static_cast<int64_t> (dataWindow.max.y) -
++            static_cast<int64_t> (dataWindow.min.y) + 1,
++        xStride,
++        yStride,
++        xSampling,
++        ySampling,
++        fillValue,
++        xTileCoords,
++        yTileCoords);
++}
+ 
+ void
+ FrameBuffer::insert (const char name[], const Slice &slice)