diff --git a/src/backends/meta-output.c b/src/backends/meta-output.c
index b687a456a..0db3242d9 100644
--- a/src/backends/meta-output.c
+++ b/src/backends/meta-output.c
@@ -38,6 +38,16 @@ enum
 
 static GParamSpec *obj_props[N_PROPS];
 
+enum
+{
+  COLOR_SPACE_CHANGED,
+  HDR_METADATA_CHANGED,
+
+  N_SIGNALS
+};
+
+static guint signals[N_SIGNALS];
+
 typedef struct _MetaOutputPrivate
 {
   uint64_t id;
@@ -63,6 +73,9 @@ typedef struct _MetaOutputPrivate
 
   MetaPrivacyScreenState privacy_screen_state;
   gboolean is_privacy_screen_enabled;
+
+  MetaOutputHdrMetadata hdr_metadata;
+  MetaOutputColorspace color_space;
 } MetaOutputPrivate;
 
 G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (MetaOutput, meta_output, G_TYPE_OBJECT)
@@ -515,12 +528,76 @@ meta_output_set_privacy_screen_enabled (MetaOutput  *output,
   return TRUE;
 }
 
+gboolean
+meta_output_is_color_space_supported (MetaOutput           *output,
+                                      MetaOutputColorspace  color_space)
+{
+  MetaOutputClass *output_class = META_OUTPUT_GET_CLASS (output);
+  uint64_t supported = 0;
+
+  if (output_class->get_supported_color_spaces)
+    supported = output_class->get_supported_color_spaces (output);
+
+  return supported & (1 << color_space);
+}
+
+void
+meta_output_set_color_space (MetaOutput           *output,
+                             MetaOutputColorspace  color_space)
+{
+  MetaOutputPrivate *priv = meta_output_get_instance_private (output);
+
+  priv->color_space = color_space;
+
+  g_signal_emit (output, signals[COLOR_SPACE_CHANGED], 0);
+}
+
+MetaOutputColorspace
+meta_output_peek_color_space (MetaOutput *output)
+{
+  MetaOutputPrivate *priv = meta_output_get_instance_private (output);
+
+  return priv->color_space;
+}
+
+gboolean
+meta_output_is_hdr_metadata_supported (MetaOutput *output)
+{
+  MetaOutputClass *output_class = META_OUTPUT_GET_CLASS (output);
+
+  if (!output_class->is_hdr_metadata_supported)
+    return FALSE;
+
+  return output_class->is_hdr_metadata_supported (output);
+}
+
+void
+meta_output_set_hdr_metadata (MetaOutput            *output,
+                              MetaOutputHdrMetadata *metadata)
+{
+  MetaOutputPrivate *priv = meta_output_get_instance_private (output);
+
+  priv->hdr_metadata = *metadata;
+
+  g_signal_emit (output, signals[HDR_METADATA_CHANGED], 0);
+}
+
+MetaOutputHdrMetadata *
+meta_output_peek_hdr_metadata (MetaOutput *output)
+{
+  MetaOutputPrivate *priv = meta_output_get_instance_private (output);
+
+  return &priv->hdr_metadata;
+}
+
 static void
 meta_output_init (MetaOutput *output)
 {
   MetaOutputPrivate *priv = meta_output_get_instance_private (output);
 
   priv->backlight = -1;
+  priv->color_space = META_OUTPUT_COLORSPACE_UNKNOWN;
+  priv->hdr_metadata.active = FALSE;
 }
 
 static void
@@ -565,6 +642,21 @@ meta_output_class_init (MetaOutputClass *klass)
                           G_PARAM_READWRITE |
                           G_PARAM_STATIC_STRINGS);
   g_object_class_install_properties (object_class, N_PROPS, obj_props);
+
+  signals[COLOR_SPACE_CHANGED] =
+    g_signal_new ("color-space-changed",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  0,
+                  NULL, NULL, NULL,
+                  G_TYPE_NONE, 0);
+  signals[HDR_METADATA_CHANGED] =
+    g_signal_new ("hdr-metadata-changed",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  0,
+                  NULL, NULL, NULL,
+                  G_TYPE_NONE, 0);
 }
 
 gboolean
diff --git a/src/backends/meta-output.h b/src/backends/meta-output.h
index 5fb81e443..e4f20475b 100644
--- a/src/backends/meta-output.h
+++ b/src/backends/meta-output.h
@@ -28,6 +28,39 @@
 #include "backends/meta-gpu.h"
 #include "core/util-private.h"
 
+typedef enum _MetaOutputColorspace
+{
+  META_OUTPUT_COLORSPACE_UNKNOWN = 0,
+  META_OUTPUT_COLORSPACE_DEFAULT,
+  META_OUTPUT_COLORSPACE_BT2020,
+} MetaOutputColorspace;
+
+typedef enum
+{
+  META_OUTPUT_HDR_METADATA_EOTF_TRADITIONAL_GAMMA_SDR,
+  META_OUTPUT_HDR_METADATA_EOTF_TRADITIONAL_GAMMA_HDR,
+  META_OUTPUT_HDR_METADATA_EOTF_PQ,
+  META_OUTPUT_HDR_METADATA_EOTF_HLG,
+} MetaOutputHdrMetadataEOTF;
+
+typedef struct _MetaOutputHdrMetadata
+{
+  gboolean active;
+  MetaOutputHdrMetadataEOTF eotf;
+  struct {
+    double x;
+    double y;
+  } mastering_display_primaries[3];
+  struct {
+    double x;
+    double y;
+  } mastering_display_white_point;
+  double mastering_display_max_luminance;
+  double mastering_display_min_luminance;
+  double max_cll;
+  double max_fall;
+} MetaOutputHdrMetadata;
+
 struct _MetaTileInfo
 {
   uint32_t group_id;
@@ -165,6 +198,8 @@ struct _MetaOutputClass
   gboolean (* set_privacy_screen_enabled) (MetaOutput  *output,
                                            gboolean     enabled,
                                            GError     **error);
+  uint64_t (* get_supported_color_spaces) (MetaOutput *output);
+  gboolean (* is_hdr_metadata_supported) (MetaOutput *output);
 };
 
 META_EXPORT_TEST
@@ -211,6 +246,21 @@ gboolean meta_output_set_privacy_screen_enabled (MetaOutput  *output,
                                                  gboolean     enabled,
                                                  GError     **error);
 
+gboolean meta_output_is_color_space_supported (MetaOutput *output,
+                                               MetaOutputColorspace color_space);
+
+void meta_output_set_color_space (MetaOutput           *output,
+                                  MetaOutputColorspace  color_space);
+
+MetaOutputColorspace meta_output_peek_color_space (MetaOutput *output);
+
+gboolean meta_output_is_hdr_metadata_supported (MetaOutput *output);
+
+void meta_output_set_hdr_metadata (MetaOutput            *output,
+                                   MetaOutputHdrMetadata *metadata);
+
+MetaOutputHdrMetadata * meta_output_peek_hdr_metadata (MetaOutput *output);
+
 void meta_output_add_possible_clone (MetaOutput *output,
                                      MetaOutput *possible_clone);