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output: add color_format state field

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Adds wlr_output_color_format (AUTO, RGB444, YCBCR444, YCBCR422,
YCBCR420) matching the DRM connector color format property. The DRM
backend discovers and sets this property on modeset.

The wlr-output-management-unstable-v1 protocol is extended to version 5
with a color_format enum and set_color_format request, allowing clients
to configure the output color encoding.
This commit is contained in:
Souren 2026-05-10 19:16:46 +07:00 • committed by Igor Deordiev
parent e4a1268b2a
commit 4fe9e0cfe8
11 changed files with 135 additions and 7 deletions
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5
backend/drm/atomic.c
View file

@ -401,6 +401,7 @@ bool drm_atomic_connector_prepare(struct wlr_drm_connector_state *state, bool mo
state->vrr_enabled = vrr_enabled;
state->colorspace = colorspace;
state->hdr_output_metadata = hdr_output_metadata;
state->color_format = state->base->color_format;
return true;
}
@ -567,6 +568,10 @@ static void atomic_connector_add(struct atomic *atom,
if (modeset && active && conn->props.max_bpc != 0 && conn->max_bpc_bounds[1] != 0) {
atomic_add(atom, conn->id, conn->props.max_bpc, pick_max_bpc(conn, state->primary_fb));
}
if (modeset && conn->props.color_format != 0 &&
state->base->committed & WLR_OUTPUT_STATE_COLOR_FORMAT) {
atomic_add(atom, conn->id, conn->props.color_format, state->color_format);
}
if (conn->props.colorspace != 0) {
atomic_add(atom, conn->id, conn->props.colorspace, state->colorspace);
}

3
backend/drm/drm.c
View file

@ -44,7 +44,8 @@ static const uint32_t COMMIT_OUTPUT_STATE =
WLR_OUTPUT_STATE_SIGNAL_TIMELINE |
WLR_OUTPUT_STATE_COLOR_TRANSFORM |
WLR_OUTPUT_STATE_IMAGE_DESCRIPTION |
WLR_OUTPUT_STATE_COLOR_REPRESENTATION;
WLR_OUTPUT_STATE_COLOR_REPRESENTATION |
WLR_OUTPUT_STATE_COLOR_FORMAT;
static const uint32_t SUPPORTED_OUTPUT_STATE =
WLR_OUTPUT_STATE_BACKEND_OPTIONAL | COMMIT_OUTPUT_STATE;

1
backend/drm/properties.c
View file

@ -27,6 +27,7 @@ static const struct prop_info connector_info[] = {
{ "EDID", INDEX(edid) },
{ "HDR_OUTPUT_METADATA", INDEX(hdr_output_metadata) },
{ "PATH", INDEX(path) },
{ "color format", INDEX(color_format) },
{ "content type", INDEX(content_type) },
{ "link-status", INDEX(link_status) },
{ "max bpc", INDEX(max_bpc) },