1/* Copyright Statement:
2 *
3 * (C) 2021-2024  Cubios Inc. All rights reserved.
4 */
5 
6#pragma once
7#include "SceneObject.h"
8#include "Screen.h"
9#include <string>
10 
11namespace Cubios 
12{
13namespace Gfx
14{
15class OffscreenRenderTarget: public Cubios::SceneObject
16{
17public:
18    enum renderLayerOrder_t
19    {
20        BeforeQueue = 0,
21        AfterQueue = 1
22    };
23 
24    OffscreenRenderTarget(u32_t width, u32_t height, Cubios::GFX_PixelFormat_t format);
25    virtual ~OffscreenRenderTarget();
26 
27    Cubios::SceneObject* Add(Cubios::SceneObject* obj);
28    Cubios::SceneObject* AddCopy(Cubios::SceneObject* obj);
29 
30    void Begin(bool overwrite=false);
31    void End();
32 
33    void Render() override;
34    virtual void RenderLayer(renderLayerOrder_t order){}
35 
36private:
37    void present();
38    int16_t getNextID() {return rtc = (rtc+1) % 0xffff; }
39 
40private:
41    uint32_t width;
42    uint32_t height;
43    Cubios::GFX_PixelFormat_t format;
44 
45    std::vector<Cubios::SceneObject*> objects;
46    std::vector<Cubios::SceneObject*> copies;
47 
48    bool inBegin;
49    bool beforeQueue;
50 
51    Cubios::Screen* nullScreen;
52 
53    int16_t rtID;
54    static int16_t rtc;
55};
56}
57}
58