+
+ for (i = 0; i < *num_elements; i++) {
+
+ private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
+
+ if (private_hwc_window == NULL) {
+ /* LCOV_EXCL_START */
+ TDM_ERR("failed! This should never happen!");
+ func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
+ *num_elements = 0;
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_OPERATION_FAILED;
+ /* LCOV_EXCL_STOP */
+ }
+
+ hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
+ }
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return ret;
+}
+
+tdm_error
+tdm_output_hwc_accept_changes(tdm_output *output)
+{
+ tdm_private_module *private_module;
+ tdm_func_output *func_output = NULL;
+
+ OUTPUT_FUNC_ENTRY();
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
+ TDM_ERR("output(%p) not support HWC", private_output);
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_BAD_REQUEST;
+ }
+
+ private_module = private_output->private_module;
+ func_output = &private_module->func_output;
+
+ if (!func_output->output_hwc_validate) {
+ /* LCOV_EXCL_START */
+ _pthread_mutex_unlock(&private_display->lock);
+ TDM_WRN("not implemented!!");
+ return TDM_ERROR_NOT_IMPLEMENTED;
+ /* LCOV_EXCL_STOP */
+ }
+
+ ret = func_output->output_hwc_accept_changes(private_output->output_backend);
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return ret;
+}
+
+tbm_surface_queue_h
+tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
+{
+ tdm_private_module *private_module;
+ tdm_func_output *func_output = NULL;
+ tbm_surface_queue_h queue = NULL;
+
+ OUTPUT_FUNC_ENTRY_ERROR();
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
+ TDM_ERR("output(%p) not support HWC", private_output);
+ if (error)
+ *error = TDM_ERROR_BAD_REQUEST;
+ _pthread_mutex_unlock(&private_display->lock);
+ return NULL;
+ }
+
+ private_module = private_output->private_module;
+ func_output = &private_module->func_output;
+
+ if (!func_output->output_hwc_get_target_buffer_queue) {
+ /* LCOV_EXCL_START */
+ _pthread_mutex_unlock(&private_display->lock);
+ TDM_WRN("not implemented!!");
+ return NULL;
+ /* LCOV_EXCL_STOP */
+ }
+
+ queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return queue;
+}
+
+EXTERN tdm_error
+tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage)
+{
+ tdm_private_module *private_module;
+ tdm_func_output *func_output = NULL;
+
+ OUTPUT_FUNC_ENTRY();
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
+ TDM_ERR("output(%p) not support HWC", private_output);
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_BAD_REQUEST;
+ }
+
+ if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
+ /* LCOV_EXCL_START */
+ char str[TDM_PATH_LEN];
+ static int i;
+ snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
+ private_output->index, i++);
+ tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
+ /* LCOV_EXCL_STOP */
+ }
+
+ private_module = private_output->private_module;
+ func_output = &private_module->func_output;
+
+ if (!func_output->output_hwc_set_client_target_buffer) {
+ /* LCOV_EXCL_START */
+ _pthread_mutex_unlock(&private_display->lock);
+ TDM_WRN("not implemented!!");
+ return TDM_ERROR_NOT_IMPLEMENTED;
+ /* LCOV_EXCL_STOP */
+ }
+
+ ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return ret;
+}
+
+EXTERN tdm_error
+tdm_output_hwc_unset_client_target_buffer(tdm_output *output)
+{
+ tdm_private_module *private_module;
+ tdm_func_output *func_output = NULL;
+
+ OUTPUT_FUNC_ENTRY();
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
+ TDM_ERR("output(%p) not support HWC", private_output);
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_BAD_REQUEST;
+ }
+
+ private_module = private_output->private_module;
+ func_output = &private_module->func_output;
+
+ if (!func_output->output_hwc_unset_client_target_buffer) {
+ /* LCOV_EXCL_START */
+ _pthread_mutex_unlock(&private_display->lock);
+ TDM_ERR("not implemented!!");
+ return TDM_ERROR_NOT_IMPLEMENTED;
+ /* LCOV_EXCL_STOP */
+ }
+
+ ret = func_output->output_hwc_unset_client_target_buffer(private_output->output_backend);
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return ret;
+}
+
+static void
+_tdm_output_hwc_layer_commit_handler(tdm_layer *layer, unsigned int sequence,
+ unsigned int tv_sec, unsigned int tv_usec,
+ void *user_data)
+{
+ tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler = (tdm_private_output_hwc_target_buffer_commit_handler *)user_data;
+ tdm_output_hwc_target_buffer_commit_handler func = output_hwc_target_buffer_commit_handler->func;
+ tdm_output *output = (tdm_output *)output_hwc_target_buffer_commit_handler->private_output;
+ void *data = output_hwc_target_buffer_commit_handler->user_data;
+
+ func(output, sequence, tv_sec, tv_usec, data);
+
+ free(output_hwc_target_buffer_commit_handler);
+}
+
+tdm_error
+tdm_output_hwc_commit_client_target_buffer(tdm_output *output, tdm_output_hwc_target_buffer_commit_handler func, void *user_data)
+{
+ tdm_private_module *private_module;
+ tdm_func_output *func_output;
+ tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler;
+ tdm_layer *layer = NULL;
+ tdm_private_layer *private_layer;
+ const tdm_output_mode *mode;
+ tbm_surface_h buffer;
+
+ OUTPUT_FUNC_ENTRY();
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
+ TDM_ERR("output(%p) not support HWC", private_output);
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_BAD_REQUEST;
+ }
+
+ private_module = private_output->private_module;
+ func_output = &private_module->func_output;
+
+ if (!func_output->output_hwc_get_client_target_buffer_layer) {
+ /* LCOV_EXCL_START */
+ _pthread_mutex_unlock(&private_display->lock);
+ TDM_ERR("not implemented!!");
+ return TDM_ERROR_NOT_IMPLEMENTED;
+ /* LCOV_EXCL_STOP */
+ }
+
+ layer = func_output->output_hwc_get_client_target_buffer_layer(private_output->output_backend,
+ &ret);
+ if (!layer) {
+ /* LCOV_EXCL_START */
+ _pthread_mutex_unlock(&private_display->lock);
+ TDM_ERR("no assigned layer!!");
+ return TDM_ERROR_INVALID_PARAMETER;
+ /* LCOV_EXCL_STOP */
+ }
+
+ private_layer = (tdm_private_layer*)layer;
+
+ if (!func_output->output_hwc_get_client_target_buffer) {
+ /* LCOV_EXCL_START */
+ _pthread_mutex_unlock(&private_display->lock);
+ TDM_ERR("not implemented!!");
+ return TDM_ERROR_NOT_IMPLEMENTED;
+ /* LCOV_EXCL_STOP */
+ }
+
+ buffer = func_output->output_hwc_get_client_target_buffer(private_output->output_backend,
+ &ret);
+ if (buffer)
+ ret = tdm_layer_set_buffer_internal(private_layer, buffer);
+ else
+ ret = tdm_layer_unset_buffer_internal(private_layer);
+ if (ret != TDM_ERROR_NONE) {
+ /* LCOV_EXCL_START */
+ TDM_ERR("failed: layer set info(window)");
+ _pthread_mutex_unlock(&private_display->lock);
+ /* LCOV_EXCL_STOP */
+ return ret;
+ }
+
+ if (private_output->need_set_target_info) {
+ mode = private_output->current_mode;
+ private_output->target_buffer_info.src_config.size.h = mode->hdisplay;
+ private_output->target_buffer_info.src_config.size.v = mode->vdisplay;
+ private_output->target_buffer_info.src_config.pos.x = 0;
+ private_output->target_buffer_info.src_config.pos.y = 0;
+ private_output->target_buffer_info.src_config.pos.w = mode->hdisplay;
+ private_output->target_buffer_info.src_config.pos.h = mode->vdisplay;
+ private_output->target_buffer_info.dst_pos.x = 0;
+ private_output->target_buffer_info.dst_pos.y = 0;
+ private_output->target_buffer_info.dst_pos.w = mode->hdisplay;
+ private_output->target_buffer_info.dst_pos.h = mode->vdisplay;
+ private_output->target_buffer_info.transform = TDM_TRANSFORM_NORMAL;
+
+ ret = tdm_layer_set_info_internal(private_layer, &private_output->target_buffer_info);
+ if (ret != TDM_ERROR_NONE) {
+ /* LCOV_EXCL_START */
+ TDM_ERR("failed: layer set info(window)");
+ _pthread_mutex_unlock(&private_display->lock);
+ /* LCOV_EXCL_STOP */
+ return ret;
+ }
+
+ private_output->need_set_target_info = 0;
+ }
+
+ output_hwc_target_buffer_commit_handler = calloc(1, sizeof(tdm_private_output_hwc_target_buffer_commit_handler));
+ if (!output_hwc_target_buffer_commit_handler) {
+ /* LCOV_EXCL_START */
+ TDM_ERR("failed: alloc memory");
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_OUT_OF_MEMORY;
+ /* LCOV_EXCL_STOP */
+ }
+
+ output_hwc_target_buffer_commit_handler->private_output = private_output;
+ output_hwc_target_buffer_commit_handler->func = func;
+ output_hwc_target_buffer_commit_handler->user_data = user_data;
+
+ ret = tdm_layer_commit_internal(private_layer, _tdm_output_hwc_layer_commit_handler, output_hwc_target_buffer_commit_handler);
+ if (ret != TDM_ERROR_NONE) {
+ /* LCOV_EXCL_START */
+ TDM_ERR("failed: commit layer(target buffer)");
+ free(output_hwc_target_buffer_commit_handler);
+ _pthread_mutex_unlock(&private_display->lock);
+ /* LCOV_EXCL_STOP */
+ return ret;
+ }
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return ret;
+}
+
+tdm_error
+tdm_output_hwc_get_video_supported_formats(tdm_output *output, const tbm_format **formats,
+ int *count)
+{
+ tdm_private_module *private_module;
+ tdm_func_output *func_output;
+ OUTPUT_FUNC_ENTRY();
+
+ TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
+ TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ private_module = private_output->private_module;
+ func_output = &private_module->func_output;
+
+ if (!func_output->output_hwc_get_video_supported_formats) {
+ /* LCOV_EXCL_START */
+ _pthread_mutex_unlock(&private_display->lock);
+ TDM_WRN("not implemented!!");
+ return TDM_ERROR_NOT_IMPLEMENTED;
+ /* LCOV_EXCL_STOP */
+ }
+
+ ret = func_output->output_hwc_get_video_supported_formats(
+ private_output->output_backend, formats, count);
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return ret;
+}
+
+static int
+_is_hwc_output_still_existed(tdm_private_output *private_output)
+{
+ tdm_private_module *private_module = private_output->private_module;
+ tdm_private_output *o = NULL;
+
+ LIST_FOR_EACH_ENTRY(o, &private_module->output_list, link) {
+ if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
+ continue;
+
+ if (o == private_output)
+ goto exist;
+ }
+
+ return 0;
+
+exist:
+ return 1;
+}
+
+/* gets called on behalf of the ecore-main-loop thread */
+INTERN void
+tdm_output_need_validate_handler_thread(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
+{
+ tdm_private_output *private_output = object;
+
+ TDM_RETURN_IF_FAIL(private_output != NULL);
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ /* as we get 'private_output' within an event, an output this 'private_output'
+ * points to can be destroyed already */
+ if (!_is_hwc_output_still_existed(private_output)) {
+ _pthread_mutex_unlock(&private_display->lock);
+ return;
+ }
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
+
+ if (private_output->need_validate.hndl)
+ private_output->need_validate.hndl((tdm_output*)private_output);
+}
+
+/* gets called on behalf of the tdm-thread */
+static tdm_error
+_need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
+{
+ tdm_thread_cb_need_validate ev;
+ tdm_private_output *private_output;
+ tdm_error ret;
+ uint64_t value;
+
+ private_output = (tdm_private_output *)user_data;
+
+ if (read(private_output->need_validate.event_fd, &value, sizeof(value)) < 0) {
+ TDM_ERR("error while trying to read from a need_validate.event_fd fd.");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ memset(&ev, 0, sizeof ev);
+ ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
+ ev.base.length = sizeof ev;
+ ev.base.object_stamp = private_output->stamp;
+ ev.base.data = NULL;
+ ev.base.sync = 0;
+
+ ret = tdm_thread_cb_call(private_output, &ev.base, 1);
+ TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+
+ TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
+
+ /* who cares about this? */
+ return TDM_ERROR_NONE;
+}
+
+INTERN tdm_error
+tdm_output_need_validate_event_init(tdm_output *output)
+{
+ int fd;
+
+ OUTPUT_FUNC_ENTRY();
+
+ TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
+
+ if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
+ TDM_ERR("output(%p) not support HWC", private_output);
+ return TDM_ERROR_BAD_REQUEST;
+ }
+
+ /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
+ fd = eventfd(0, 0);
+ TDM_WARNING_IF_FAIL(fd >= 0);
+
+ private_output->need_validate.event_source = tdm_event_loop_add_fd_handler(private_display,
+ fd, TDM_EVENT_LOOP_READABLE, _need_validate_handler, private_output, &ret);
+ TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+
+ private_output->need_validate.event_fd = fd;
+
+ TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
+
+ return ret;
+}
+
+INTERN tdm_error
+tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
+{
+ if (!private_output)
+ return TDM_ERROR_INVALID_PARAMETER;
+
+ if (mode < 0 || mode > 2)
+ return TDM_ERROR_INVALID_PARAMETER;
+
+ private_output->commit_per_vblank = mode;
+
+ if (private_output->commit_per_vblank == 0)
+ TDM_INFO("commit per vblank: disable");
+ else if (private_output->commit_per_vblank == 1)
+ TDM_INFO("commit per vblank: enable (1 layer)");
+ else if (private_output->commit_per_vblank == 2)
+ TDM_INFO("commit per vblank: enable (previous commit)");
+
+ return TDM_ERROR_NONE;