1 /*
2  * Copyright (c) 2020 - 2024 the ThorVG project. All rights reserved.
3 
4  * Permission is hereby granted, free of charge, to any person obtaining a copy
5  * of this software and associated documentation files (the "Software"), to deal
6  * in the Software without restriction, including without limitation the rights
7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8  * copies of the Software, and to permit persons to whom the Software is
9  * furnished to do so, subject to the following conditions:
10 
11  * The above copyright notice and this permission notice shall be included in all
12  * copies or substantial portions of the Software.
13 
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  * SOFTWARE.
21  */
22 
23 #include "../../lv_conf_internal.h"
24 #if LV_USE_THORVG_INTERNAL
25 
26 #ifndef _TVG_SW_RENDERER_H_
27 #define _TVG_SW_RENDERER_H_
28 
29 #include "tvgRender.h"
30 
31 struct SwSurface;
32 struct SwTask;
33 struct SwCompositor;
34 struct SwMpool;
35 
36 namespace tvg
37 {
38 
39 class SwRenderer : public RenderMethod
40 {
41 public:
42     RenderData prepare(const RenderShape& rshape, RenderData data, const Matrix& transform, Array<RenderData>& clips, uint8_t opacity, RenderUpdateFlag flags, bool clipper) override;
43     RenderData prepare(RenderSurface* surface, RenderData data, const Matrix& transform, Array<RenderData>& clips, uint8_t opacity, RenderUpdateFlag flags) override;
44     bool preRender() override;
45     bool renderShape(RenderData data) override;
46     bool renderImage(RenderData data) override;
47     bool postRender() override;
48     void dispose(RenderData data) override;
49     RenderRegion region(RenderData data) override;
50     RenderRegion viewport() override;
51     bool viewport(const RenderRegion& vp) override;
52     bool blend(BlendMethod method) override;
53     ColorSpace colorSpace() override;
54     const RenderSurface* mainSurface() override;
55 
56     bool clear() override;
57     bool sync() override;
58     bool target(pixel_t* data, uint32_t stride, uint32_t w, uint32_t h, ColorSpace cs);
59     bool mempool(bool shared);
60 
61     RenderCompositor* target(const RenderRegion& region, ColorSpace cs) override;
62     bool beginComposite(RenderCompositor* cmp, CompositeMethod method, uint8_t opacity) override;
63     bool endComposite(RenderCompositor* cmp) override;
64     void clearCompositors();
65 
66     bool prepare(RenderEffect* effect) override;
67     bool effect(RenderCompositor* cmp, const RenderEffect* effect) override;
68 
69     static SwRenderer* gen();
70     static bool init(uint32_t threads);
71     static int32_t init();
72     static bool term();
73 
74 private:
75     SwSurface*           surface = nullptr;           //active surface
76     Array<SwTask*>       tasks;                       //async task list
77     Array<SwSurface*>    compositors;                 //render targets cache list
78     SwMpool*             mpool;                       //private memory pool
79     RenderRegion         vport;                       //viewport
80     bool                 sharedMpool = true;          //memory-pool behavior policy
81 
82     SwRenderer();
83     ~SwRenderer();
84 
85     SwSurface* request(int channelSize);
86     RenderData prepareCommon(SwTask* task, const Matrix& transform, const Array<RenderData>& clips, uint8_t opacity, RenderUpdateFlag flags);
87 };
88 
89 }
90 
91 #endif /* _TVG_SW_RENDERER_H_ */
92 
93 #endif /* LV_USE_THORVG_INTERNAL */
94 
95