add tdm_output_set_mirror

This function set the mirro image of the src_output to the output.
If there is the hardware or the implementation to display the mirror image
of the src_output to the output, the backend does it in this function.

Change-Id: Ic661793af90ce4d87684d1f0bbcb14a5052e2585

diff --git a/include/tdm.h b/include/tdm.h
index 71f7a1c..1c10a3c 100644 (file)
--- a/include/tdm.h
+++ b/include/tdm.h
@@ -649,6 +649,16 @@ tdm_hwc *
 tdm_output_get_hwc(tdm_output *output, tdm_error *error);
 
 /**
+ * @brief Set the mirror image of the src_output to the output
+ * @param[in] output A output object to display the src_output image
+ * @param[in] src_output A src output object of which image is displayed on the output
+ * @param[in] transform A transform value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_set_mirror(tdm_output *output, tdm_output *src_output, tdm_transform transform);
+
+/**
  * @brief Get a output object of a layer object
  * @param[in] layer A layer object
  * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.

diff --git a/include/tdm_backend.h b/include/tdm_backend.h
index c5db80a..4075f7b 100644 (file)
--- a/include/tdm_backend.h
+++ b/include/tdm_backend.h
@@ -558,7 +558,23 @@ typedef struct _tdm_func_output {
         */
        tdm_hwc *(*output_get_hwc)(tdm_output *output, tdm_error *error);
 
-       void (*reserved3)(void);
+       /**
+        * @brief Set the mirror image of the src_output to the output
+        * @details This function set the mirro image of the src_output to the output.
+        * If there is the hardware or the implementation to display the mirror image
+        * of the src_output to the output, the backend does it in this function.
+        * If the backend output gets the ability of the mirror displaying, it has to
+        * set the TDM_OUTPUT_CAPABILITY_MIRROR on the output capability.
+        * @param[in] output A output object to display the src_output image
+        * @param[in] src_output A src output object of which image is displayed on the output
+        * @param[in] transform A transform value
+        * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+        * @see #TDM_OUTPUT_CAPABILITY_MIRROR
+        */
+       tdm_error (*output_set_mirror)(tdm_output *output,
+                                                                       tdm_output *src_output,
+                                                                       tdm_transform transform);
+
        void (*reserved4)(void);
        void (*reserved5)(void);
        void (*reserved6)(void);

diff --git a/src/tdm_output.c b/src/tdm_output.c
index 285887e..f4c818b 100644 (file)
--- a/src/tdm_output.c
+++ b/src/tdm_output.c
@@ -2027,6 +2027,52 @@ tdm_output_get_hwc(tdm_output *output, tdm_error *error)
        return private_hwc;
 }
 
+EXTERN tdm_error
+tdm_output_set_mirror(tdm_output *output, tdm_output *src_output, tdm_transform transform)
+{
+       /* LCOV_EXCL_START */
+       tdm_private_module *private_module;
+       tdm_func_output *func_output;
+       tdm_private_output *private_src_output;
+
+       OUTPUT_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(src_output != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       private_module = private_output->private_module;
+       func_output = &private_module->func_output;
+       private_src_output = (tdm_private_output*)src_output;
+
+       if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_MIRROR)) {
+               TDM_INFO("output(%d) doesn't support the mirror.", private_output->pipe);
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_BAD_REQUEST;
+       }
+
+       if (!func_output->output_set_mirror) {
+               TDM_WRN("not implemented!!");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NOT_IMPLEMENTED;
+       }
+
+       ret = func_output->output_set_mirror(private_output->output_backend,
+                                                                               private_src_output->output_backend,
+                                                                               transform);
+       if (ret != TDM_ERROR_NONE) {
+               TDM_ERR("output(%p) fails to set MIRROR.", private_output);
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_BAD_REQUEST;
+       }
+
+       _pthread_mutex_unlock(&private_display->lock);
+
+       /* LCOV_EXCL_STOP */
+
+       return ret;
+}
+
 INTERN tdm_error
 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
 {