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wayland: fractional_scale_preferred_scale(): only push update if scale has changed

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Also, drop wl_window::have_preferred_scale. Check for scale > 0 instead.
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Daniel Eklöf 2023-07-17 16:12:34 +02:00
parent 829353a5da
commit 59f0a721c4
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2 changed files with 9 additions and 5 deletions
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13
wayland.c
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@ -1603,10 +1603,15 @@ static void fractional_scale_preferred_scale(
uint32_t scale) uint32_t scale)
{ {
struct wl_window *win = data; struct wl_window *win = data;
win->scale = (float)scale / 120.;
win->have_preferred_scale = true;
LOG_DBG("fractional scale: %.3f", win->scale); const float new_scale = (float)scale / 120.;
if (win->scale == new_scale)
return;
LOG_DBG("fractional scale: %.2f -> %.2f", win->scale, new_scale);
win->scale = new_scale;
update_term_for_output_change(win->term); update_term_for_output_change(win->term);
} }
@ -1971,7 +1976,7 @@ wayl_surface_scale_explicit_width_height(
int width, int height, float scale) int width, int height, float scale)
{ {
if (wayl_fractional_scaling(win->term->wl) && win->have_preferred_scale) { if (wayl_fractional_scaling(win->term->wl) && win->scale > 0.) {
#if defined(HAVE_FRACTIONAL_SCALE) #if defined(HAVE_FRACTIONAL_SCALE)
LOG_DBG("scaling by a factor of %.2f using fractional scaling " LOG_DBG("scaling by a factor of %.2f using fractional scaling "
"(width=%d, height=%d) ", scale, width, height); "(width=%d, height=%d) ", scale, width, height);

1
wayland.h
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@ -374,7 +374,6 @@ struct wl_window {
bool unmapped; bool unmapped;
float scale; float scale;
bool have_preferred_scale;
struct zxdg_toplevel_decoration_v1 *xdg_toplevel_decoration; struct zxdg_toplevel_decoration_v1 *xdg_toplevel_decoration;