diff options
Diffstat (limited to 'pixman/pixman-matrix.c')
| -rw-r--r-- | pixman/pixman-matrix.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pixman/pixman-matrix.c b/pixman/pixman-matrix.c index d2ab609..cd2f1b5 100644 --- a/pixman/pixman-matrix.c +++ b/pixman/pixman-matrix.c @@ -62,7 +62,7 @@ pixman_transform_point_3d (const struct pixman_transform *transform, { partial = ((pixman_fixed_48_16_t) transform->matrix[j][i] * (pixman_fixed_48_16_t) vector->vector[i]); - v += partial >> 16; + v += (partial + 0x8000) >> 16; } if (v > pixman_max_fixed_48_16 || v < pixman_min_fixed_48_16) @@ -96,16 +96,16 @@ pixman_transform_point (const struct pixman_transform *transform, { partial = ((pixman_fixed_32_32_t) transform->matrix[j][i] * (pixman_fixed_32_32_t) vector->vector[i]); - v[j] += partial >> 2; + v[j] += (partial + 2) >> 2; } } - if (!(v[2] >> 16)) + if (!((v[2] + 0x8000) >> 16)) return FALSE; for (j = 0; j < 2; j++) { - quo = v[j] / (v[2] >> 16); + quo = v[j] / ((v[2] + 0x8000) >> 16); if (quo > pixman_max_fixed_48_16 || quo < pixman_min_fixed_48_16) return FALSE; vector->vector[j] = (pixman_fixed_t) quo; @@ -138,7 +138,7 @@ pixman_transform_multiply (struct pixman_transform * dst, (pixman_fixed_32_32_t) l->matrix[dy][o] * (pixman_fixed_32_32_t) r->matrix[o][dx]; - v += partial >> 16; + v += (partial + 0x8000) >> 16; } if (v > pixman_max_fixed_48_16 || v < pixman_min_fixed_48_16) |