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damage: Support y-inversion

tight-png
Andri Yngvason 2019-09-19 17:02:21 +00:00
parent 083eaaf20a
commit 7b57449e19
1 changed files with 5 additions and 0 deletions
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5
src/damage.c
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@ -57,6 +57,8 @@ int check_damage_linear(struct pixman_region16 *damage,
int width = fb0->width;
int height = fb0->height;
bool y_invert = !!(fb0->nvnc_modifier & NVNC_MOD_Y_INVERT);
assert(x_hint + width_hint <= width);
assert(y_hint + height_hint <= height);
@ -76,6 +78,9 @@ int check_damage_linear(struct pixman_region16 *damage,
width, tile_width, tile_height))
continue;
if (y_invert)
y = height - y - tile_height;
pixman_region_union_rect(damage, damage, x, y,
tile_width, tile_height);
}