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gamma_control_v1: introduce fallback_gamma_size

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Simon Ser 2025-10-05 21:22:07 +02:00
parent 91f4890ec2
commit 3e08e3be4a
2 changed files with 8 additions and 0 deletions
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5
include/wlr/types/wlr_gamma_control_v1.h
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@ -10,6 +10,11 @@ struct wlr_gamma_control_manager_v1 {
struct wl_global *global; struct wl_global *global;
struct wl_list controls; // wlr_gamma_control_v1.link struct wl_list controls; // wlr_gamma_control_v1.link
// Fallback to use when an struct wlr_output doesn't support gamma LUTs.
// Can be used to apply gamma LUTs via a struct wlr_renderer. Leave zero to
// indicate that the fallback is unsupported.
size_t fallback_gamma_size;
struct { struct {
struct wl_signal destroy; struct wl_signal destroy;
struct wl_signal set_gamma; // struct wlr_gamma_control_manager_v1_set_gamma_event struct wl_signal set_gamma; // struct wlr_gamma_control_manager_v1_set_gamma_event

3
types/wlr_gamma_control_v1.c
View file

@ -157,6 +157,9 @@ static void gamma_control_manager_get_gamma_control(struct wl_client *client,
} }
size_t gamma_size = wlr_output_get_gamma_size(output); size_t gamma_size = wlr_output_get_gamma_size(output);
if (gamma_size == 0) {
gamma_size = manager->fallback_gamma_size;
}
if (gamma_size == 0) { if (gamma_size == 0) {
zwlr_gamma_control_v1_send_failed(resource); zwlr_gamma_control_v1_send_failed(resource);
return; return;