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wayland: use av_gcd instead of implementing our own gcd function

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Adds mp_gcd wrapper for av_gcd and uses it instead.
This commit is contained in:
llyyr
2026-04-18 19:56:12 +05:30
committed by Kacper Michajłow
parent 8f66c0982f
commit 8665237a07
3 changed files with 7 additions and 10 deletions
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common/common.c
+5
View File
@@ -430,3 +430,8 @@ int mp_lcm(int x, int y)
mp_assert(x && y);
return x * (y / av_gcd(x, y));
}
int64_t mp_gcd(int64_t x, int64_t y)
{
return av_gcd(x, y);
}
common/common.h
+1
View File
@@ -140,6 +140,7 @@ void mp_rect_rotate(struct mp_rect *rc, int w, int h, int rotation);
unsigned int mp_log2(uint32_t v);
uint32_t mp_round_next_power_of_2(uint32_t v);
int mp_lcm(int x, int y);
int64_t mp_gcd(int64_t x, int64_t y);
int mp_snprintf_cat(char *str, size_t size, const char *format, ...)
MP_PRINTF_ATTRIBUTE(3, 4);
video/out/wayland_common.c
+1 -10
View File
@@ -303,7 +303,6 @@ static bool single_output_spanned(struct vo_wayland_state *wl);
static int check_for_resize(struct vo_wayland_state *wl, int edge_pixels,
enum xdg_toplevel_resize_edge *edges);
static int get_mods(struct vo_wayland_seat *seat);
static int greatest_common_divisor(int a, int b);
static int handle_round(int scale, int n);
static int set_cursor_visibility(struct vo_wayland_seat *s, bool on);
static int spawn_cursor(struct vo_wayland_state *wl);
@@ -3295,14 +3294,6 @@ static void get_shape_device(struct vo_wayland_state *wl, struct vo_wayland_seat
}
}
static int greatest_common_divisor(int a, int b)
{
int rem = a % b;
if (rem == 0)
return b;
return greatest_common_divisor(b, rem);
}
static void guess_focus(struct vo_wayland_state *wl)
{
// We can't actually know if the window is focused or not in wayland,
@@ -3848,7 +3839,7 @@ static void set_geometry(struct vo_wayland_state *wl, bool resize)
vo_calc_window_geometry(vo, wl->opts, &screenrc, &screenrc, wl->scaling_factor, false, &geo, NULL);
vo_apply_window_geometry(vo, &geo);
int gcd = greatest_common_divisor(vo->dwidth, vo->dheight);
int gcd = mp_gcd(vo->dwidth, vo->dheight);
wl->reduced_width = vo->dwidth / gcd;
wl->reduced_height = vo->dheight / gcd;