[Pixman] Pixbuf/rpixbuf paths crash

[Nemanja Lukic]

Adding following to lowlevel-blt-bench:

 

    { "pixbuf",             PIXMAN_pixbuf,          0, PIXMAN_OP_SRC,
PIXMAN_pixbuf,       0, PIXMAN_a8r8g8b8 },

    { "rpixbuf",            PIXMAN_rpixbuf,         0, PIXMAN_OP_SRC,
PIXMAN_rpixbuf,      0, PIXMAN_a8r8g8b8 },

 

causes lowlevel-blt-bench to crash (segfault). Actual crashing point is in
pixman-bits-image.c in function bits_image_fetch_untransformed_repeat_none.

Both image->fetch_scanline_float and image->fetch_scanline_32 are zero,
causing program to crash.

 

How to profile performance of pixman for this colorspace using
lowlevel-blt-benchmark?

Did I construct these two testcases correctly?

 

Thanks,

Nemanja Lukic

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