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wayland/color-management: Support arbitrary primaries

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The colorspace could be defined only with known colorspace names.
Now it can be defined with arbitrary primaries too.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3948>
This commit is contained in:
Joan Torres 2024-08-13 12:34:39 +02:00 committed by Marge Bot
parent a27da4e88f
commit cd65670f7a
3 changed files with 90 additions and 10 deletions
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16
clutter/clutter/clutter-color-state.c
View file

@ -267,6 +267,22 @@ clutter_color_state_get_luminances (ClutterColorState *color_state,
*ref_lum_out = ref_lum;
}
void
clutter_primaries_ensure_normalized_range (ClutterPrimaries *primaries)
{
if (!primaries)
return;
primaries->r_x = CLAMP (primaries->r_x, 0.0f, 1.0f);
primaries->r_y = CLAMP (primaries->r_y, 0.0f, 1.0f);
primaries->g_x = CLAMP (primaries->g_x, 0.0f, 1.0f);
primaries->g_y = CLAMP (primaries->g_y, 0.0f, 1.0f);
primaries->b_x = CLAMP (primaries->b_x, 0.0f, 1.0f);
primaries->b_y = CLAMP (primaries->b_y, 0.0f, 1.0f);
primaries->w_x = CLAMP (primaries->w_x, 0.0f, 1.0f);
primaries->w_y = CLAMP (primaries->w_y, 0.0f, 1.0f);
}
static void
clutter_color_state_constructed (GObject *object)
{

3
clutter/clutter/clutter-color-state.h
View file

@ -109,4 +109,7 @@ void clutter_transfer_function_get_default_luminances (ClutterTransferFunction
float *max_lum_out,
float *ref_lum_out);
CLUTTER_EXPORT
void clutter_primaries_ensure_normalized_range (ClutterPrimaries *primaries);
G_END_DECLS

81
src/wayland/meta-wayland-color-management.c
View file

@ -120,6 +120,7 @@ typedef struct _MetaWaylandCreatorParams
ClutterColorspace colorspace;
ClutterTransferFunction transfer_function;
ClutterPrimaries *primaries;
float min_lum, max_lum, ref_lum;
} MetaWaylandCreatorParams;
@ -340,14 +341,35 @@ send_information (struct wl_resource *info_resource,
ClutterColorState *color_state)
{
ClutterColorspace clutter_colorspace;
enum xx_color_manager_v4_primaries primaries;
const ClutterPrimaries *clutter_primaries;
ClutterTransferFunction clutter_tf;
enum xx_color_manager_v4_transfer_function tf;
float min_lum, max_lum, ref_lum;
clutter_colorspace = clutter_color_state_get_colorspace (color_state);
primaries = clutter_primaries_to_wayland (clutter_colorspace);
xx_image_description_info_v4_send_primaries_named (info_resource, primaries);
if (clutter_colorspace != CLUTTER_COLORSPACE_DEFAULT)
{
enum xx_color_manager_v4_primaries primaries;
primaries = clutter_primaries_to_wayland (clutter_colorspace);
xx_image_description_info_v4_send_primaries_named (info_resource,
primaries);
}
clutter_primaries = clutter_color_state_get_primaries (color_state);
if (clutter_primaries)
{
xx_image_description_info_v4_send_primaries (
info_resource,
float_to_scaled_uint32 (clutter_primaries->r_x),
float_to_scaled_uint32 (clutter_primaries->r_y),
float_to_scaled_uint32 (clutter_primaries->g_x),
float_to_scaled_uint32 (clutter_primaries->g_y),
float_to_scaled_uint32 (clutter_primaries->b_x),
float_to_scaled_uint32 (clutter_primaries->b_y),
float_to_scaled_uint32 (clutter_primaries->w_x),
float_to_scaled_uint32 (clutter_primaries->w_y));
}
clutter_tf = clutter_color_state_get_transfer_function (color_state);
tf = clutter_tf_to_wayland (clutter_tf);
@ -816,7 +838,8 @@ meta_wayland_creator_params_new (MetaWaylandColorManager *color_manager,
static void
meta_wayland_creator_params_free (MetaWaylandCreatorParams *creator_params)
{
free (creator_params);
g_clear_pointer (&creator_params->primaries, g_free);
g_free (creator_params);
}
static void
@ -840,7 +863,8 @@ creator_params_create (struct wl_client *client,
g_autoptr (ClutterColorState) color_state = NULL;
MetaWaylandImageDescription *image_desc;
if (creator_params->colorspace == CLUTTER_COLORSPACE_DEFAULT ||
if ((creator_params->colorspace == CLUTTER_COLORSPACE_DEFAULT &&
!creator_params->primaries) ||
creator_params->transfer_function == CLUTTER_TRANSFER_FUNCTION_DEFAULT)
{
wl_resource_post_error (resource,
@ -859,7 +883,7 @@ creator_params_create (struct wl_client *client,
clutter_color_state_new_full (clutter_context,
creator_params->colorspace,
creator_params->transfer_function,
NULL,
creator_params->primaries,
creator_params->min_lum,
creator_params->max_lum,
creator_params->ref_lum);
@ -925,7 +949,8 @@ creator_params_set_primaries_named (struct wl_client *client,
wl_resource_get_user_data (resource);
ClutterColorspace colorspace;
if (creator_params->colorspace != CLUTTER_COLORSPACE_DEFAULT)
if (creator_params->colorspace != CLUTTER_COLORSPACE_DEFAULT ||
creator_params->primaries)
{
wl_resource_post_error (resource,
XX_IMAGE_DESCRIPTION_CREATOR_PARAMS_V4_ERROR_ALREADY_SET,
@ -956,9 +981,43 @@ creator_params_set_primaries (struct wl_client *client,
int32_t w_x,
int32_t w_y)
{
wl_resource_post_error (resource,
XX_IMAGE_DESCRIPTION_CREATOR_PARAMS_V4_ERROR_INVALID_PRIMARIES,
"Setting arbitrary primaries is not supported");
MetaWaylandCreatorParams *creator_params =
wl_resource_get_user_data (resource);
ClutterPrimaries *primaries;
if (creator_params->colorspace != CLUTTER_COLORSPACE_DEFAULT ||
creator_params->primaries)
{
wl_resource_post_error (resource,
XX_IMAGE_DESCRIPTION_CREATOR_PARAMS_V4_ERROR_ALREADY_SET,
"The primaries were already set");
return;
}
primaries = g_new0 (ClutterPrimaries, 1);
primaries->r_x = scaled_uint32_to_float (r_x);
primaries->r_y = scaled_uint32_to_float (r_y);
primaries->g_x = scaled_uint32_to_float (g_x);
primaries->g_y = scaled_uint32_to_float (g_y);
primaries->b_x = scaled_uint32_to_float (b_x);
primaries->b_y = scaled_uint32_to_float (b_y);
primaries->w_x = scaled_uint32_to_float (w_x);
primaries->w_y = scaled_uint32_to_float (w_y);
if (primaries->r_x < 0.0f || primaries->r_x > 1.0f ||
primaries->r_y < 0.0f || primaries->r_y > 1.0f ||
primaries->g_x < 0.0f || primaries->g_x > 1.0f ||
primaries->g_y < 0.0f || primaries->g_y > 1.0f ||
primaries->b_x < 0.0f || primaries->b_x > 1.0f ||
primaries->b_y < 0.0f || primaries->b_y > 1.0f ||
primaries->w_x < 0.0f || primaries->w_x > 1.0f ||
primaries->w_y < 0.0f || primaries->w_y > 1.0f)
{
g_warning ("Primaries out of expected normalized range");
clutter_primaries_ensure_normalized_range (primaries);
}
creator_params->primaries = primaries;
}
static void
@ -1284,6 +1343,8 @@ color_manager_send_supported_events (struct wl_resource *resource)
XX_COLOR_MANAGER_V4_RENDER_INTENT_PERCEPTUAL);
xx_color_manager_v4_send_supported_feature (resource,
XX_COLOR_MANAGER_V4_FEATURE_PARAMETRIC);
xx_color_manager_v4_send_supported_feature (resource,
XX_COLOR_MANAGER_V4_FEATURE_SET_PRIMARIES);
xx_color_manager_v4_send_supported_feature (resource,
XX_COLOR_MANAGER_V4_FEATURE_SET_LUMINANCES);
xx_color_manager_v4_send_supported_tf_named (resource,