[PATCH] d3drm/tests: Add tests for IDirect3DRM*::LoadTexture (try 6).
Stefan Dösinger
stefandoesinger at gmail.com
Fri Jan 1 13:11:31 CST 2016
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Am 2016-01-01 um 18:15 schrieb Aaryaman Vasishta:
> + expected = (info_header.biWidth + 3) & ~3;
> + ok(expected == img->bytes_per_line, "Expected bytes per line == %d, got %d.\n", expected, img->bytes_per_line);
> + if (depth == 8)
> + {
> + for (i = 0; i < h; i++)
> + {
> + offset = upside_down ? (img->bytes_per_line * (h - i - 1)) : (img->bytes_per_line * i);
> + for (j = 0; j < img->bytes_per_line; j++)
> + {
> + if (buffer1[k++] != buffer2[offset++])
> + return FALSE;
> + }
You want j < img->width here, otherwise you compare the padded bytes
against the next line of the input image. (You'll then also compare the
follow-up lines incorrectly and read past the input buffer). It works
here because you pass an image with a width that's a multiple of 4 when
this codepath is used.
So iterate over width pixels, but advance the read offset / pointer by
bytes_per_line bytes after processing one line.
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