layer: add tdm_layer_set_info_internal

[platform/core/uifw/libtdm.git] / src / tdm_backend.c

diff --git a/src/tdm_backend.c b/src/tdm_backend.c
index c83b3da..e6463bc 100644 (file)
--- a/src/tdm_backend.c
+++ b/src/tdm_backend.c
@@ -37,8 +37,6 @@
 #include "config.h"
 #endif
 
-#include "tdm.h"
-#include "tdm_backend.h"
 #include "tdm_private.h"
 
 #define BACKEND_FUNC_ENTRY() \
@@ -53,14 +51,14 @@ _check_abi_version(tdm_backend_module *module, int abimaj, int abimin)
        int minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
 
        if (major < abimaj) goto failed;
-       if (major > abimaj) return 1;
+       if (major > abimaj) return 0;
        if (minor < abimin) goto failed;
-       return 1;
+       return 0;
 failed:
        TDM_ERR("The ABI version(%d.%d) of '%s' is less than %d.%d",
                        major, minor, module->name ? module->name : "unknown",
                        abimaj, abimin);
-       return 0;
+       return -1;
 }
 
 EXTERN tdm_error
@@ -128,6 +126,29 @@ tdm_backend_register_func_layer(tdm_display *dpy, tdm_func_layer *func_layer)
 }
 
 EXTERN tdm_error
+tdm_backend_register_func_hwc_window(tdm_display *dpy, tdm_func_hwc_window *func_hwc_window)
+{
+       tdm_backend_module *module;
+
+       TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
+
+       BACKEND_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(func_hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       module = private_display->module_data;
+       /* FIX ME:
+                  Temporarily, we set the version of hwc window to 1.1 for the development.
+                  Originally the hwc window version is 2.0. */
+       if (_check_abi_version(module, 1, 1) < 0)
+               return TDM_ERROR_BAD_MODULE;
+
+       private_display->func_hwc_window = *func_hwc_window;
+
+       return TDM_ERROR_NONE;
+}
+
+EXTERN tdm_error
 tdm_backend_register_func_pp(tdm_display *dpy, tdm_func_pp *func_pp)
 {
        TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
@@ -160,3 +181,48 @@ tdm_backend_register_func_capture(tdm_display *dpy,
        return TDM_ERROR_NONE;
 }
 
+/* backend operates itself types */
+static tdm_private_output*
+_look_for_frontend_hwc_output(tdm_output *backend_output)
+{
+       tdm_private_output *frontend_output = NULL, *o = NULL;
+       tdm_private_display *dpy;
+
+       dpy = tdm_display_init(NULL);
+       TDM_RETURN_VAL_IF_FAIL(dpy != NULL, NULL);
+
+       LIST_FOR_EACH_ENTRY(o, &dpy->output_list, link) {
+               if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
+                       continue;
+
+               if (o->output_backend == backend_output) {
+                       frontend_output = o;
+                       break;
+               }
+       }
+
+       tdm_display_deinit(dpy);
+
+       return frontend_output;
+}
+
+EXTERN tdm_error
+tdm_backend_trigger_need_validate_event(tdm_output *output)
+{
+       tdm_private_output *private_output;
+       uint64_t value;
+       int res;
+
+       private_output = _look_for_frontend_hwc_output(output);
+       TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       value = 1;
+
+       /* do not lock the global display lock here */
+
+       res = write(private_output->need_validate.event_fd, &value, sizeof(value));
+       if (res < 0)
+               return TDM_ERROR_OPERATION_FAILED;
+
+       return TDM_ERROR_NONE;
+}