[EGIT] [core/efl] master 05/05: ecore-drm: Add API function to set a new mode on an output

[Christopher Michael]

devilhorns pushed a commit to branch master.

http://git.enlightenment.org/core/efl.git/commit/?id=bcf3b442dd3f4683dd6b634615ed6563e7a2c9d1

commit bcf3b442dd3f4683dd6b634615ed6563e7a2c9d1
Author: Chris Michael <cp.mich...@samsung.com>
Date:   Wed May 13 14:41:12 2015 -0400

    ecore-drm: Add API function to set a new mode on an output
    
    Summary: This adds a new API function (ecore_drm_output_mode_set) that
    we can use from within RandR code to set the resolution of an output
    (or disable an output if NULL is passed in).
    
    @feature
    
    Signed-off-by: Chris Michael <cp.mich...@samsung.com>
---
 src/lib/ecore_drm/Ecore_Drm.h        | 17 +++++++++++++
 src/lib/ecore_drm/ecore_drm_output.c | 48 ++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+)

diff --git a/src/lib/ecore_drm/Ecore_Drm.h b/src/lib/ecore_drm/Ecore_Drm.h
index b26efa1..47c6004 100644
--- a/src/lib/ecore_drm/Ecore_Drm.h
+++ b/src/lib/ecore_drm/Ecore_Drm.h
@@ -923,6 +923,23 @@ EAPI Ecore_Drm_Output 
*ecore_drm_device_output_name_find(Ecore_Drm_Device *dev,
  */
 EAPI Eina_Bool ecore_drm_output_possible_crtc_get(Ecore_Drm_Output *output, 
unsigned int crtc);
 
+/**
+ * Set a given mode to be used on an Ecore_Drm_Output
+ *
+ * This function will set the given mode to be used on a given Ecore_Drm_Output
+ *
+ * @param output The Ecore_Drm_Output to set the mode on
+ * @param mode A valid Ecore_Drm_Output_Mode to set or NULL to disable the 
output
+ * @param X The X position to set this output to
+ * @param Y The Y position to set this output to
+ *
+ * @return EINA_TRUE on success, EINA_FALSE on failure
+ *
+ * @ingroup Ecore_Drm_Output_Group
+ * @since 1.15
+ */
+EAPI Eina_Bool ecore_drm_output_mode_set(Ecore_Drm_Output *output, 
Ecore_Drm_Output_Mode *mode, int x, int y);
+
 # ifdef __cplusplus
 }
 # endif
diff --git a/src/lib/ecore_drm/ecore_drm_output.c 
b/src/lib/ecore_drm/ecore_drm_output.c
index b2dbdfd..276b74f 100644
--- a/src/lib/ecore_drm/ecore_drm_output.c
+++ b/src/lib/ecore_drm/ecore_drm_output.c
@@ -1414,3 +1414,51 @@ next:
 
    return ret;
 }
+
+EAPI Eina_Bool
+ecore_drm_output_mode_set(Ecore_Drm_Output *output, Ecore_Drm_Output_Mode 
*mode, int x, int y)
+{
+   Ecore_Drm_Device *dev;
+   Eina_Bool ret = EINA_TRUE;
+   unsigned int buffer = 0;
+
+   EINA_SAFETY_ON_NULL_RETURN_VAL(output, EINA_FALSE);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(output->dev, EINA_FALSE);
+
+   dev = output->dev;
+
+   output->x = x;
+   output->y = y;
+   output->current_mode = mode;
+
+   if ((mode) && (output->enabled))
+     {
+        if (dev->current)
+          buffer = dev->current->id;
+        else if (dev->next)
+          buffer = dev->next->id;
+        else
+          buffer = output->crtc->buffer_id;
+
+        if (drmModeSetCrtc(dev->drm.fd, output->crtc_id, buffer,
+                           output->x, output->y,
+                           &output->conn_id, 1, &mode->info) < 0)
+          {
+             ERR("Failed to set Mode %dx%d for Output %s: %m",
+                 mode->width, mode->height, output->name);
+             ret = EINA_FALSE;
+          }
+     }
+   else
+     {
+        if (drmModeSetCrtc(dev->drm.fd, output->crtc_id,
+                           0, 0, 0, 0, 0, NULL) < 0)
+          {
+             ERR("Failed to set Mode %dx%d for Output %s: %m",
+                 mode->width, mode->height, output->name);
+             ret = EINA_FALSE;
+          }
+     }
+
+   return ret;
+}

--