DisplayExtn: Extend interface to support async commit.

Change-Id: I70919add71d8bbdf7d6fd30041475a4d9419d6c2

include/display_extn_intf.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -30,11 +30,43 @@
 #ifndef __DISP_EXTN_INTF_H__
 #define __DISP_EXTN_INTF_H__
 
+#include <vector>
+#include <list>
+#include <ui/Fence.h>
+
 #define EARLY_WAKEUP_FEATURE 1
 #define DYNAMIC_EARLY_WAKEUP_CONFIG 1
 
 namespace composer {
 
+struct LayerFlags {
+  bool secure_camera = false;
+  bool secure_video = false;
+  bool secure_ui = false;
+  bool compatible = false;
+};
+
+struct FBTLayerInfo {
+  int32_t width = 0;
+  int32_t height = 0;
+  int32_t dataspace = 0;
+  int32_t max_buffer_count = 3;
+  bool secure = false;
+
+  bool operator != (FBTLayerInfo  &f) {
+    return (width != f.width ||
+            height != f.height ||
+            dataspace != f.dataspace ||
+            secure != f.secure);
+  }
+};
+
+struct FBTSlotInfo {
+  int index = -1;
+  android::sp<android::Fence> fence = android::Fence::NO_FENCE;
+  bool predicted = false;
+};
+
 class DisplayExtnIntf {
  public:
   virtual int SetContentFps(uint32_t fps) = 0;
@@ -44,6 +76,11 @@ class DisplayExtnIntf {
   virtual int NotifyEarlyWakeUp(bool gpu, bool display) = 0;
   virtual int NotifyDisplayEarlyWakeUp(uint32_t display_id) = 0;
   virtual int SetEarlyWakeUpConfig(uint32_t display_id, bool enable) = 0;
+  virtual int TryUnifiedDraw(uint32_t display_id, int32_t max_frameBuffer) = 0;
+  virtual int BeginDraw(uint32_t display_id, std::vector<LayerFlags> &layers,
+                        const FBTLayerInfo fbt_info, const FBTSlotInfo &fbt_current,
+                        FBTSlotInfo &fbt_future) = 0;
+  virtual int EndDraw(uint32_t display_id, const FBTSlotInfo &fbt_current) = 0;
 
  protected:
   virtual ~DisplayExtnIntf() { }