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Add features.hdr to output IPC response

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This commit is contained in:
Simon Ser 2025-07-08 18:52:29 +02:00
parent 6fed1f9d89
commit 94c819cc1f
4 changed files with 33 additions and 19 deletions
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2
include/sway/output.h
View file

@ -131,6 +131,8 @@ struct sway_container *output_find_container(struct sway_output *output,
void output_get_box(struct sway_output *output, struct wlr_box *box);
bool output_supports_hdr(struct wlr_output *output, const char **unsupported_reason_ptr);
enum sway_container_layout output_get_default_layout(
struct sway_output *output);

38
sway/config/output.c
View file

@ -348,22 +348,26 @@ static void set_modeline(struct wlr_output *output,
#endif
}
bool output_supports_hdr(struct wlr_output *output, const char **unsupported_reason_ptr) {
const char *unsupported_reason = NULL;
if (!(output->supported_primaries & WLR_COLOR_NAMED_PRIMARIES_BT2020)) {
unsupported_reason = "BT2020 primaries not supported by output";
} else if (!(output->supported_transfer_functions & WLR_COLOR_TRANSFER_FUNCTION_ST2084_PQ)) {
unsupported_reason = "PQ transfer function not supported by output";
} else if (!server.renderer->features.output_color_transform) {
unsupported_reason = "renderer doesn't support output color transforms";
}
if (unsupported_reason_ptr != NULL) {
*unsupported_reason_ptr = unsupported_reason;
}
return unsupported_reason == NULL;
}
static void set_hdr(struct wlr_output *output, struct wlr_output_state *pending, bool enabled) {
enum wlr_color_named_primaries primaries = WLR_COLOR_NAMED_PRIMARIES_BT2020;
enum wlr_color_transfer_function tf = WLR_COLOR_TRANSFER_FUNCTION_ST2084_PQ;
if (enabled && !(output->supported_primaries & primaries)) {
sway_log(SWAY_ERROR, "Cannot enable HDR on output %s: BT2020 primaries not supported by output",
output->name);
enabled = false;
}
if (enabled && !(output->supported_transfer_functions & WLR_COLOR_TRANSFER_FUNCTION_ST2084_PQ)) {
sway_log(SWAY_ERROR, "Cannot enable HDR on output %s: PQ transfer function not supported by output",
output->name);
enabled = false;
}
if (enabled && !server.renderer->features.output_color_transform) {
sway_log(SWAY_ERROR, "Cannot enable HDR on output %s: renderer doesn't support output color transforms",
output->name);
const char *unsupported_reason = NULL;
if (!output_supports_hdr(output, &unsupported_reason)) {
sway_log(SWAY_ERROR, "Cannot enable HDR on output %s: %s",
output->name, unsupported_reason);
enabled = false;
}
@ -377,8 +381,8 @@ static void set_hdr(struct wlr_output *output, struct wlr_output_state *pending,
sway_log(SWAY_DEBUG, "Enabling HDR on output %s", output->name);
const struct wlr_output_image_description image_desc = {
.primaries = primaries,
.transfer_function = tf,
.primaries = WLR_COLOR_NAMED_PRIMARIES_BT2020,
.transfer_function = WLR_COLOR_TRANSFER_FUNCTION_ST2084_PQ,
};
wlr_output_state_set_image_description(pending, &image_desc);
}

2
sway/ipc-json.c
View file

@ -323,6 +323,8 @@ static void ipc_json_describe_wlr_output(struct wlr_output *wlr_output, json_obj
json_object_object_add(features_object, "adaptive_sync",
json_object_new_boolean(wlr_output->adaptive_sync_supported ||
wlr_output->adaptive_sync_status == WLR_OUTPUT_ADAPTIVE_SYNC_ENABLED));
json_object_object_add(features_object, "hdr",
json_object_new_boolean(output_supports_hdr(wlr_output, NULL)));
json_object_object_add(object, "features", features_object);
}

10
swaymsg/main.c
View file

@ -212,9 +212,10 @@ static void pretty_print_output(json_object *o) {
json_object_object_get_ex(current_mode, "width", &width);
json_object_object_get_ex(current_mode, "height", &height);
json_object_object_get_ex(current_mode, "refresh", &refresh);
json_object *features, *features_adaptive_sync;
json_object *features, *features_adaptive_sync, *features_hdr;
json_object_object_get_ex(o, "features", &features);
json_object_object_get_ex(features, "adaptive_sync", &features_adaptive_sync);
json_object_object_get_ex(features, "hdr", &features_hdr);
if (json_object_get_boolean(non_desktop)) {
printf(
@ -263,7 +264,12 @@ static void pretty_print_output(json_object *o) {
printf(" Allow tearing: %s\n",
json_object_get_boolean(allow_tearing) ? "yes" : "no");
printf(" HDR: %s\n", json_object_get_boolean(hdr) ? "on" : "off");
const char *hdr_str = "unsupported";
if (json_object_get_boolean(features_hdr)) {
hdr_str = json_object_get_boolean(hdr) ? "on" : "off";
}
printf(" HDR: %s\n", hdr_str);
} else {
printf(
"Output %s '%s %s %s' (disabled)\n",