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Add a wlr_output_set_subpixel()

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drmModeConnector.subpixel doesn't seem to detect subpixel order on many displays (especially laptops). Allow subpixel order to be manually set.

The corresponding PR for sway adds a subpixel output option: https://github.com/swaywm/sway/pull/3645

Once both are merged, https://github.com/swaywm/sway/issues/3163 will be fixed.
This commit is contained in:
Geoff Greer 2019-02-10 16:49:18 -08:00 • committed by emersion
parent db6206aa1c
commit 5c8d2da0a1
2 changed files with 14 additions and 0 deletions
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1
include/wlr/types/wlr_output.h
View file

@ -174,6 +174,7 @@ void wlr_output_set_transform(struct wlr_output *output,
enum wl_output_transform transform);
void wlr_output_set_position(struct wlr_output *output, int32_t lx, int32_t ly);
void wlr_output_set_scale(struct wlr_output *output, float scale);
void wlr_output_set_subpixel(struct wlr_output *output, enum wl_output_subpixel subpixel);
void wlr_output_destroy(struct wlr_output *output);
/**
* Computes the transformed output resolution.

13
types/wlr_output.c
View file

@ -248,6 +248,19 @@ void wlr_output_set_scale(struct wlr_output *output, float scale) {
wlr_signal_emit_safe(&output->events.scale, output);
}
void wlr_output_set_subpixel(struct wlr_output *output, enum wl_output_subpixel subpixel) {
if (output->subpixel == subpixel) {
return;
}
output->subpixel = subpixel;
struct wl_resource *resource;
wl_resource_for_each(resource, &output->resources) {
output_send_to_resource(resource);
}
}
static void handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_output *output =
wl_container_of(listener, output, display_destroy);