ecore-drm2: Add API function to set crtc background color

This patch adds a new API function we can be called in order to set
the crtc background color of a given output.

@feature

2 files changed, 35 insertions, 0 deletions

diff --git a/src/lib/ecore_drm2/Ecore_Drm2.h b/src/lib/ecore_drm2/Ecore_Drm2.h
index ecf4f4a2bd..6f074fc5ec 100644
--- a/src/lib/ecore_drm2/Ecore_Drm2.h
+++ b/src/lib/ecore_drm2/Ecore_Drm2.h
@@ -1179,6 +1179,23 @@ EAPI int ecore_drm2_device_fd_get(Ecore_Drm2_Device *device);
  */
 EAPI Eina_Bool ecore_drm2_output_pending_get(Ecore_Drm2_Output *output);
 
+/**
+ * Set the background color of an output's crtc
+ *
+ * @param output
+ * @param r
+ * @param g
+ * @param b
+ * @param a
+ *
+ * @return EINA_TRUE on success, EINA_FALSE otherwise
+ *
+ * @note This requires support from the video driver in order to function
+ *
+ * @since 1.23
+ */
+EAPI Eina_Bool ecore_drm2_output_background_color_set(Ecore_Drm2_Output *output, int r, int g, int b, int a);
+
 # endif
 
 #endif
diff --git a/src/lib/ecore_drm2/ecore_drm2_outputs.c b/src/lib/ecore_drm2/ecore_drm2_outputs.c
index 7ad6ef8396..a433d54358 100644
--- a/src/lib/ecore_drm2/ecore_drm2_outputs.c
+++ b/src/lib/ecore_drm2/ecore_drm2_outputs.c
@@ -1746,3 +1746,21 @@ ecore_drm2_output_relative_to_get(Ecore_Drm2_Output *output)
    EINA_SAFETY_ON_NULL_RETURN_VAL(output, NULL);
    return output->relative.to;
 }
+
+EAPI Eina_Bool
+ecore_drm2_output_background_color_set(Ecore_Drm2_Output *output, int r, int g, int b, int a)
+{
+   Ecore_Drm2_Crtc_State *cstate;
+
+   EINA_SAFETY_ON_NULL_RETURN_VAL(output, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(output->crtc_state, EINA_FALSE);
+
+   cstate = output->crtc_state;
+   if (cstate->background.id)
+     {
+        cstate->background.value = (a << 48 | b << 32 | g << 16 | r);
+        return _fb_atomic_flip_test(output);
+     }
+
+   return EINA_FALSE;
+}