diff options
Diffstat (limited to 'source/blender/blenkernel/intern/seqeffects.c')
| -rw-r--r-- | source/blender/blenkernel/intern/seqeffects.c | 46 |
1 files changed, 32 insertions, 14 deletions
diff --git a/source/blender/blenkernel/intern/seqeffects.c b/source/blender/blenkernel/intern/seqeffects.c index a1dc19e1ff7..b6b4501ca5a 100644 --- a/source/blender/blenkernel/intern/seqeffects.c +++ b/source/blender/blenkernel/intern/seqeffects.c @@ -965,10 +965,13 @@ static void do_sub_effect_byte(float facf0, float facf1, int x, int y, unsigned straight_uchar_to_premul_float(rt1, cp1); straight_uchar_to_premul_float(rt2, cp2); - tempc[0] = rt1[0] - fac1 * rt2[0]; - tempc[1] = rt1[1] - fac1 * rt2[1]; - tempc[2] = rt1[2] - fac1 * rt2[2]; - tempc[3] = rt1[3] - fac1 * rt2[3]; + tempc[0] = max_ff(rt1[0] - fac1 * rt2[0], 0.0f); + tempc[1] = max_ff(rt1[1] - fac1 * rt2[1], 0.0f); + tempc[2] = max_ff(rt1[2] - fac1 * rt2[2], 0.0f); + tempc[3] = max_ff(rt1[3] - fac1 * rt2[3], 0.0f); + + if (tempc[3] < 1e-6) + tempc[3] = 0.0f; premul_float_to_straight_uchar(rt, tempc); @@ -984,10 +987,13 @@ static void do_sub_effect_byte(float facf0, float facf1, int x, int y, unsigned straight_uchar_to_premul_float(rt1, cp1); straight_uchar_to_premul_float(rt2, cp2); - tempc[0] = rt1[0] - fac3 * rt2[0]; - tempc[1] = rt1[1] - fac3 * rt2[1]; - tempc[2] = rt1[2] - fac3 * rt2[2]; - tempc[3] = rt1[3] - fac3 * rt2[3]; + tempc[0] = max_ff(rt1[0] - fac3 * rt2[0], 0.0f); + tempc[1] = max_ff(rt1[1] - fac3 * rt2[1], 0.0f); + tempc[2] = max_ff(rt1[2] - fac3 * rt2[2], 0.0f); + tempc[3] = max_ff(rt1[3] - fac3 * rt2[3], 0.0f); + + if (tempc[3] < 1e-6) + tempc[3] = 0.0f; premul_float_to_straight_uchar(rt, tempc); @@ -1011,22 +1017,34 @@ static void do_sub_effect_float(float facf0, float facf1, int x, int y, float *r fac3 = facf1; while (y--) { - x = xo * 4; + x = xo; while (x--) { - *rt = *rt1 - fac1 * (*rt2); + rt[0] = max_ff(rt1[0] - fac1 * rt2[0], 0.0f); + rt[1] = max_ff(rt1[1] - fac1 * rt2[1], 0.0f); + rt[2] = max_ff(rt1[2] - fac1 * rt2[2], 0.0f); + rt[3] = max_ff(rt1[3] - fac1 * rt2[3], 0.0f); - rt1++; rt2++; rt++; + if (rt[3] < 1e-6) + rt[3] = 0.0f; + + rt1 += 4; rt2 += 4; rt += 4; } if (y == 0) break; y--; - x = xo * 4; + x = xo; while (x--) { - *rt = *rt1 - fac3 * (*rt2); + rt[0] = max_ff(rt1[0] - fac3 * rt2[0], 0.0f); + rt[1] = max_ff(rt1[1] - fac3 * rt2[1], 0.0f); + rt[2] = max_ff(rt1[2] - fac3 * rt2[2], 0.0f); + rt[3] = max_ff(rt1[3] - fac3 * rt2[3], 0.0f); - rt1++; rt2++; rt++; + if (rt[3] < 1e-6) + rt[3] = 0.0f; + + rt1 += 4; rt2 += 4; rt += 4; } } } |