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1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef LAYER_CONTEXT_H
17 #define LAYER_CONTEXT_H
18 
19 #include <display_type.h>
20 #include <surface.h>
21 #include "hdi_layer_info.h"
22 #include "sync_fence.h"
23 
24 namespace OHOS {
25 namespace Rosen {
26 enum LayerType : uint32_t {
27     LAYER_STATUS,
28     LAYER_LAUNCHER,
29     LAYER_NAVIGATION,
30     LAYER_EXTRA
31 };
32 
33 using YUVPixel = struct {
34     uint8_t y;
35     uint8_t u;
36     uint8_t v;
37 };
38 
39 class LayerContext : public IBufferConsumerListenerClazz {
40 public:
41     LayerContext(IRect dst, IRect src, uint32_t zorder, LayerType layerType);
42     virtual ~LayerContext();
43     static constexpr uint32_t PIXEL_LINE_ALIGNMENT = 32;
44     static constexpr uint32_t RBGA_R_MOVEBITS = 24;
45     static constexpr uint32_t RBGA_B_MOVEBITS = 16;
46     static constexpr uint32_t RBGA_G_MOVEBITS = 8;
47     static constexpr uint32_t PIXEL_YCBCR420_UV_NUM = 2;
48     static constexpr float PIXEL_YCBCR420_BYTE = 1.5;
49 
50     void OnBufferAvailable() override;
51     SurfaceError DrawBufferColor();
52     SurfaceError FillHDILayer();
53     const std::shared_ptr<HdiLayerInfo> GetHdiLayer();
54     void SetTestClientStatus(bool status);
55     void SetTestRotateStatus(bool status);
56     void SetTestYUVStatus(bool status);
57     LayerType GetLayerType() const;
GetPreBuffer()58     sptr<SurfaceBuffer> GetPreBuffer() const
59     {
60         return prevBuffer_;
61     }
GetPreFence()62     sptr<SyncFence> GetPreFence() const
63     {
64         return prevFence_;
65     }
66 
67 private:
68     const std::vector<uint32_t> colors_ = {0xff0000ff, 0xffff00ff, 0xaa00ff00, 0xff00ffaa, 0xff0f0f00};
69     IRect dst_;
70     IRect src_;
71     uint32_t colorIndex_ = 0;
72     uint32_t frameCounter_ = 0;
73     uint32_t color_ = 0xffff1111;
74     uint32_t zorder_ = 0;
75     sptr<SyncFence> prevFence_;
76     OHOS::sptr<Surface> pSurface_;
77     OHOS::sptr<Surface> cSurface_;
78     OHOS::sptr<SurfaceBuffer> prevBuffer_;
79     std::shared_ptr<HdiLayerInfo> hdiLayer_;
80     LayerType layerType_ = LayerType::LAYER_EXTRA;
81     bool testClient_ = false;
82     bool testRotate_ = false;
83     bool testYUV_ = false;
84 
85     void DrawColor(void *image, int width, int height);
86     void DrawExtraColor(void *image, uint32_t width, uint32_t height);
87     void DrawBaseColor(void *image, uint32_t width, uint32_t height);
88     void DrawYUVColor(void *image, uint32_t width, uint32_t height, YUVPixel pixelValueYUV);
89     void ConvertRBGA2YUV(uint32_t pixelValueRBGA, YUVPixel *pixelValueYUV);
90     void SetLayerTransformType();
91     void SetLayerCompositionType();
92 };
93 } // namespace Rosen
94 } // namespace OHOS
95 
96 #endif // LAYER_CONTEXT_H