diff --git a/protocol/gamescope-xwayland.xml b/protocol/gamescope-xwayland.xml
index 4b73e05..ebf4cc9 100644
--- a/protocol/gamescope-xwayland.xml
+++ b/protocol/gamescope-xwayland.xml
@@ -75,5 +75,62 @@
       <arg name="vk_present_mode" type="uint" summary="VkPresentModeKHR of swapchain"/>
       <arg name="vk_clipped" type="uint" summary="clipped (VkBool32) of swapchain"/>
     </request>
+
+    <request name="set_hdr_metadata" since="2">
+      <description summary="set HDR metadata for a surface">
+        Forward HDR metadata from Vulkan to the compositor.
+
+        HDR Metadata Infoframe as per CTA 861.G spec.
+        This is expected to match exactly with the spec.
+
+        display_primary_*:
+          Color Primaries of the Data.
+          Specifies X and Y coordinates.
+          These are coded as unsigned 16-bit values in units of
+          0.00002, where 0x0000 represents zero and 0xC350
+          represents 1.0000.
+
+        white_point_*:
+          White Point of Colorspace Data.
+          Specifies X and Y coordinates.
+          These are coded as unsigned 16-bit values in units of
+          0.00002, where 0x0000 represents zero and 0xC350
+          represents 1.0000.
+
+        max_display_mastering_luminance:
+          Max Mastering Display Luminance.
+          This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
+          where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
+
+        max_display_mastering_luminance:
+          Min Mastering Display Luminance.
+          This value is coded as an unsigned 16-bit value in units of
+          0.0001 cd/m2, where 0x0001 represents 0.0001 cd/m2 and 0xFFFF
+          represents 6.5535 cd/m2.
+
+        max_cll:
+          Max Content Light Level.
+          This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
+          where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
+
+        max_fall:
+          Max Frame Average Light Level.
+          This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
+          where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
+      </description>
+      <arg name="surface" type="object" interface="wl_surface" summary="Wayland surface"/>
+      <arg name="display_primary_red_x" type="uint" summary="red primary x coordinate"/>
+      <arg name="display_primary_red_y" type="uint" summary="red primary y coordinate"/>
+      <arg name="display_primary_green_x" type="uint" summary="green primary x coordinate"/>
+      <arg name="display_primary_green_y" type="uint" summary="green primary y coordinate"/>
+      <arg name="display_primary_blue_x" type="uint" summary="blue primary x coordinate"/>
+      <arg name="display_primary_blue_y" type="uint" summary="blue primary y coordinate"/>
+      <arg name="white_point_x" type="uint" summary="white point x coordinate"/>
+      <arg name="white_point_y" type="uint" summary="white point y coordinate"/>
+      <arg name="max_display_mastering_luminance" type="uint" summary="max display mastering luminance"/>
+      <arg name="min_display_mastering_luminance" type="uint" summary="min display mastering luminance"/>
+      <arg name="max_cll" type="uint" summary="max content light level"/>
+      <arg name="max_fall" type="uint" summary="max frame average light level"/>
+    </request>
   </interface>
 </protocol>
diff --git a/src/wlserver.cpp b/src/wlserver.cpp
index 6e3bc55..1281632 100644
--- a/src/wlserver.cpp
+++ b/src/wlserver.cpp
@@ -543,6 +543,29 @@ static void gamescope_xwayland_handle_swapchain_feedback( struct wl_client *clie
 	}
 }
 
+static void gamescope_xwayland_handle_set_hdr_metadata( struct wl_client *client, struct wl_resource *resource,
+	struct wl_resource *surface_resource,
+	uint32_t display_primary_red_x,
+	uint32_t display_primary_red_y,
+	uint32_t display_primary_green_x,
+	uint32_t display_primary_green_y,
+	uint32_t display_primary_blue_x,
+	uint32_t display_primary_blue_y,
+	uint32_t white_point_x,
+	uint32_t white_point_y,
+	uint32_t max_display_mastering_luminance,
+	uint32_t min_display_mastering_luminance,
+	uint32_t max_cll,
+	uint32_t max_fall)
+{
+	struct wlr_surface *surface = wlr_surface_from_resource( surface_resource );
+	wlserver_wl_surface_info *wl_info = get_wl_surface_info( surface );
+	if ( wl_info )
+	{
+		fprintf(stderr, "GOT HDR METADATA FOR SURFACE!\n");
+	}
+}
+
 static void gamescope_xwayland_handle_destroy( struct wl_client *client, struct wl_resource *resource )
 {
 	wl_resource_destroy( resource );
@@ -552,6 +575,7 @@ static const struct gamescope_xwayland_interface gamescope_xwayland_impl = {
 	.destroy = gamescope_xwayland_handle_destroy,
 	.override_window_content = gamescope_xwayland_handle_override_window_content,
 	.swapchain_feedback = gamescope_xwayland_handle_swapchain_feedback,
+	.set_hdr_metadata = gamescope_xwayland_handle_set_hdr_metadata,
 };
 
 static void gamescope_xwayland_bind( struct wl_client *client, void *data, uint32_t version, uint32_t id )