opt: Reconstruct the output commit logic

src/action/monitor.h

@@ -0,0 +1,61 @@
+bool mango_scene_output_commit(struct wlr_scene_output *scene_output,
+							   struct wlr_output_state *state) {
+	struct wlr_output *wlr_output = scene_output->output;
+	Monitor *m = wlr_output->data;
+	bool committed = false;
+
+	bool frame_allow_tearing = check_tearing_frame_allow(m);
+
+	if (!wlr_scene_output_needs_frame(scene_output))
+		return true;
+
+	// 构建状态，将场景的 Buffer 附着到 state 上
+	if (!wlr_scene_output_build_state(scene_output, state, NULL))
+		return false;
+
+	if (frame_allow_tearing) {
+		state->tearing_page_flip = true;
+	} else {
+		state->tearing_page_flip = false;
+	}
+
+	// 测试是否支持撕裂
+	if (state->tearing_page_flip == true) {
+		if (!wlr_output_test_state(wlr_output, state)) {
+			// 如果 DRM 拒绝（例如当前输出/驱动不支持撕裂），降级关闭撕裂
+			state->tearing_page_flip = false;
+		}
+	}
+
+	// 提交状态
+	committed = wlr_output_commit_state(wlr_output, state);
+	if (!committed && state->tearing_page_flip) {
+		// 重试一次
+		state->tearing_page_flip = false;
+		committed = wlr_output_commit_state(wlr_output, state);
+	}
+
+	if (committed) {
+		if (state == &m->pending) {
+			wlr_output_state_finish(&m->pending);
+			wlr_output_state_init(&m->pending);
+		}
+	} else {
+		wlr_log(WLR_INFO, "Failed to commit output %s", m->wlr_output->name);
+		return false;
+	}
+
+	return committed;
+}
+
+bool mango_output_commit(Monitor *m) {
+
+	bool committed = wlr_output_commit_state(m->wlr_output, &m->pending);
+	if (committed) {
+		wlr_output_state_finish(&m->pending);
+		wlr_output_state_init(&m->pending);
+	} else {
+		wlr_log(WLR_ERROR, "Failed to commit frame");
+	}
+	return committed;
+}