Mercurial > sdl-ios-xcode
changeset 3456:6b182cbe38ac
Allow some variation in the pixel values to account for blending accuracy differences.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 19 Nov 2009 05:06:01 +0000 |
| parents | 5a7b5760c875 |
| children | 06e948183b59 |
| files | test/automated/common/common.c |
| diffstat | 1 files changed, 11 insertions(+), 9 deletions(-) [+] |
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--- a/test/automated/common/common.c Thu Nov 19 04:59:19 2009 +0000 +++ b/test/automated/common/common.c Thu Nov 19 05:06:01 2009 +0000 @@ -47,22 +47,24 @@ case 4: { - int fail; + int dist = 0; Uint8 R, G, B, A; SDL_GetRGBA(*(Uint32*)p, sur->format, &R, &G, &B, &A); if (img->bytes_per_pixel == 3) { - fail = !( (R == pd[0]) && - (G == pd[1]) && - (B == pd[2]) ); + dist += (R-pd[0])*(R-pd[0]); + dist += (G-pd[1])*(G-pd[1]); + dist += (B-pd[2])*(B-pd[2]); } else { - fail = !( (R == pd[0]) && - (G == pd[1]) && - (B == pd[2]) && - (A == pd[3]) ); + dist += (R-pd[0])*(R-pd[0]); + dist += (G-pd[1])*(G-pd[1]); + dist += (B-pd[2])*(B-pd[2]); + dist += (A-pd[3])*(A-pd[3]); } - if (fail) { + /* Allow up to sqrt(32) difference in blending accuracy */ + if (dist > 32) { + /*printf("pixel %d,%d varies by %d\n", i, j, dist);*/ ++ret; } }