[EGIT] [core/efl] feature/wayland/multi-output 06/11: ecore-drm2: Add API function to clone an output

[Christopher Michael]

devilhorns pushed a commit to branch feature/wayland/multi-output.

http://git.enlightenment.org/core/efl.git/commit/?id=087c91b7baa0eff778f919aef3daada3a864e2bd

commit 087c91b7baa0eff778f919aef3daada3a864e2bd
Author: Chris Michael <cp.mich...@samsung.com>
Date:   Thu Mar 29 09:12:47 2018 -0400

    ecore-drm2: Add API function to clone an output
    
    Add an API function which we can call from within ecore_evas_drm in
    order to set one output as a clone of another output.
    
    @feature
---
 src/lib/ecore_drm2/Ecore_Drm2.h         | 18 ++++++++++++++++++
 src/lib/ecore_drm2/ecore_drm2_outputs.c | 27 +++++++++++++++++++++++++++
 src/lib/ecore_drm2/ecore_drm2_private.h |  1 +
 3 files changed, 46 insertions(+)

diff --git a/src/lib/ecore_drm2/Ecore_Drm2.h b/src/lib/ecore_drm2/Ecore_Drm2.h
index fb1884be2d..f4b8027491 100644
--- a/src/lib/ecore_drm2/Ecore_Drm2.h
+++ b/src/lib/ecore_drm2/Ecore_Drm2.h
@@ -692,6 +692,24 @@ EAPI Eina_Bool 
ecore_drm2_output_connected_get(Ecore_Drm2_Output *output);
 EAPI Eina_Bool ecore_drm2_output_cloned_get(Ecore_Drm2_Output *output);
 
 /**
+ * Set if a given output is cloned
+ *
+ * @param output The output to set cloned mode on
+ * @param clone The output of which to clone
+ *
+ * @return EINA_TRUE on success, EINA_FALSE otherwise
+ *
+ * @brief This function should be used to perform the actual cloning.
+ * Please note that both ecore_drm2_output_relative_to_set and
+ * ecore_drm2_output_relative_mode_set should be used before
+ * calling this function.
+ *
+ * @ingroup Ecore_Drm2_Output_Group
+ * @since 1.21
+ */
+EAPI Eina_Bool ecore_drm2_output_clone_set(Ecore_Drm2_Device *dev, 
Ecore_Drm2_Output *output, Ecore_Drm2_Output *clone);
+
+/**
  * Get the connector type of a given output
  *
  * @param output
diff --git a/src/lib/ecore_drm2/ecore_drm2_outputs.c 
b/src/lib/ecore_drm2/ecore_drm2_outputs.c
index a5b9e3d38d..c990ae43ca 100644
--- a/src/lib/ecore_drm2/ecore_drm2_outputs.c
+++ b/src/lib/ecore_drm2/ecore_drm2_outputs.c
@@ -1380,6 +1380,33 @@ ecore_drm2_output_cloned_get(Ecore_Drm2_Output *output)
            output->relative.mode == ECORE_DRM2_RELATIVE_MODE_CLONE);
 }
 
+EAPI Eina_Bool
+ecore_drm2_output_clone_set(Ecore_Drm2_Device *dev, Ecore_Drm2_Output *output, 
Ecore_Drm2_Output *clone)
+{
+   Eina_Bool ret = EINA_FALSE;
+
+   EINA_SAFETY_ON_NULL_RETURN_VAL(dev, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(output, EINA_FALSE);
+
+   if (clone)
+     {
+        if (ecore_drm2_output_possible_crtc_get(output, clone->crtc_id))
+          {
+             output->relative.saved_crtc = output->crtc_id;
+             output->crtc_id = clone->crtc_id;
+             ret = EINA_TRUE;
+          }
+     }
+   else
+     {
+        if (output->relative.saved_crtc)
+          output->crtc_id = output->relative.saved_crtc;
+        ret = EINA_TRUE;
+     }
+
+   return ret;
+}
+
 EAPI unsigned int
 ecore_drm2_output_connector_type_get(Ecore_Drm2_Output *output)
 {
diff --git a/src/lib/ecore_drm2/ecore_drm2_private.h 
b/src/lib/ecore_drm2/ecore_drm2_private.h
index 490f1665e4..dfa793b5e3 100644
--- a/src/lib/ecore_drm2/ecore_drm2_private.h
+++ b/src/lib/ecore_drm2/ecore_drm2_private.h
@@ -234,6 +234,7 @@ struct _Ecore_Drm2_Output
 
    struct
      {
+        uint32_t saved_crtc;
         const char *to;
         Ecore_Drm2_Relative_Mode mode;
      } relative;

--