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Fix out of range color in blend modes 

Result of Exclusion and Pin Light blend modes could be greater than 255
which caused artifacts. Limit color value to 0-255 range.
This commit is contained in:
Richard Antalik 2022-01-04 01:34:23 +01:00
parent d3ad04172d
commit 9c85acf61d
Notes: blender-bot 2023-05-29 09:17:12 +02:00 
Referenced by issue #75844, Blend modes are broken
1 changed files with 2 additions and 2 deletions
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4
source/blender/blenlib/intern/math_color_blend_inline.c
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@ -382,7 +382,7 @@ MINLINE void blend_color_pinlight_byte(uchar dst[4], const uchar src1[4], const
else {
temp = min_ii(2 * src2[i], src1[i]);
}
dst[i] = (uchar)((temp * fac + src1[i] * mfac) / 255);
dst[i] = (uchar)((min_ii(temp, 255) * fac + src1[i] * mfac) / 255);
}
}
else {
@ -473,7 +473,7 @@ MINLINE void blend_color_exclusion_byte(uchar dst[4], const uchar src1[4], const
int i = 3;
while (i--) {
const int temp = 127 - ((2 * (src1[i] - 127) * (src2[i] - 127)) / 255);
const int temp = 127 - min_ii(((2 * (src1[i] - 127) * (src2[i] - 127)) / 255), 127);
dst[i] = (uchar)((temp * fac + src1[i] * mfac) / 255);
}
}