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author | Søren Sandmann Pedersen <soren.sandmann@gmail.com> | 2014-09-19 21:51:56 -0700 |
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committer | Søren Sandmann Pedersen <soren.sandmann@gmail.com> | 2014-10-05 12:42:47 -0700 |
commit | a8669137b9b95b5a6f78c880a51c016a1dd439b4 (patch) | |
tree | 63e145f194196cf14edc34f5ba0f64a93375ce56 | |
parent | f078727f392bc9f235df916e75634ed87177b9b4 (diff) |
Fix comment about BILINEAR_INTERPOLATION_BITS to say < 8 rather than <= 8
Since a4c79d695d52c94647b1aff7 the constant
BILINEAR_INTERPOLATION_BITS must be strictly less than 8, so fix the
comment to say this, and also add a COMPILE_TIME_ASSERT in the
bilinear fetcher in pixman-fast-path.c
-rw-r--r-- | pixman/pixman-fast-path.c | 2 | ||||
-rw-r--r-- | pixman/pixman-private.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/pixman/pixman-fast-path.c b/pixman/pixman-fast-path.c index c6e43de..53d4a1f 100644 --- a/pixman/pixman-fast-path.c +++ b/pixman/pixman-fast-path.c @@ -2343,6 +2343,8 @@ fast_fetch_bilinear_cover (pixman_iter_t *iter, const uint32_t *mask) int32_t dist_y; int i; + COMPILE_TIME_ASSERT (BILINEAR_INTERPOLATION_BITS < 8); + fx = info->x; ux = iter->image->common.transform->matrix[0][0]; diff --git a/pixman/pixman-private.h b/pixman/pixman-private.h index fdc966a..73108a0 100644 --- a/pixman/pixman-private.h +++ b/pixman/pixman-private.h @@ -7,7 +7,7 @@ * The defines which are shared between C and assembly code */ -/* bilinear interpolation precision (must be <= 8) */ +/* bilinear interpolation precision (must be < 8) */ #define BILINEAR_INTERPOLATION_BITS 7 #define BILINEAR_INTERPOLATION_RANGE (1 << BILINEAR_INTERPOLATION_BITS) |