xref: /aosp_15_r20/hardware/interfaces/graphics/composer/2.2/utils/vts/include/composer-vts/2.2/ReadbackVts.h (revision 4d7e907c777eeecc4c5bd7cf640a754fac206ff7)
1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <android-base/unique_fd.h>
20 #include <android/hardware/graphics/composer/2.2/IComposerClient.h>
21 #include <composer-command-buffer/2.2/ComposerCommandBuffer.h>
22 #include <composer-vts/2.1/GraphicsComposerCallback.h>
23 #include <composer-vts/2.1/TestCommandReader.h>
24 #include <composer-vts/2.2/ComposerVts.h>
25 #include <renderengine/RenderEngine.h>
26 
27 #include <memory>
28 
29 namespace android {
30 namespace hardware {
31 namespace graphics {
32 namespace composer {
33 namespace V2_2 {
34 namespace vts {
35 
36 using android::hardware::hidl_handle;
37 using common::V1_1::BufferUsage;
38 using common::V1_1::Dataspace;
39 using common::V1_1::PixelFormat;
40 using renderengine::LayerSettings;
41 using V2_1::Display;
42 using V2_1::Layer;
43 using V2_1::vts::TestCommandReader;
44 
45 static const IComposerClient::Color BLACK = {0, 0, 0, 0xff};
46 static const IComposerClient::Color RED = {0xff, 0, 0, 0xff};
47 static const IComposerClient::Color TRANSLUCENT_RED = {0xff, 0, 0, 0x33};
48 static const IComposerClient::Color GREEN = {0, 0xff, 0, 0xff};
49 static const IComposerClient::Color BLUE = {0, 0, 0xff, 0xff};
50 
51 class TestRenderEngine;
52 
53 class TestLayer {
54   public:
TestLayer(const std::shared_ptr<ComposerClient> & client,Display display)55     TestLayer(const std::shared_ptr<ComposerClient>& client, Display display)
56         : mLayer(client->createLayer(display, kBufferSlotCount)), mComposerClient(client) {}
57 
58     // ComposerClient will take care of destroying layers, no need to explicitly
59     // call destroyLayers here
~TestLayer()60     virtual ~TestLayer(){};
61 
62     virtual void write(const std::shared_ptr<CommandWriterBase>& writer);
63     virtual LayerSettings toRenderEngineLayerSettings();
64 
setDisplayFrame(IComposerClient::Rect frame)65     void setDisplayFrame(IComposerClient::Rect frame) { mDisplayFrame = frame; }
setSourceCrop(IComposerClient::FRect crop)66     void setSourceCrop(IComposerClient::FRect crop) { mSourceCrop = crop; }
setZOrder(uint32_t z)67     void setZOrder(uint32_t z) { mZOrder = z; }
68 
setSurfaceDamage(std::vector<IComposerClient::Rect> surfaceDamage)69     void setSurfaceDamage(std::vector<IComposerClient::Rect> surfaceDamage) {
70         mSurfaceDamage = surfaceDamage;
71     }
72 
setTransform(Transform transform)73     void setTransform(Transform transform) { mTransform = transform; }
setAlpha(float alpha)74     void setAlpha(float alpha) { mAlpha = alpha; }
setBlendMode(IComposerClient::BlendMode blendMode)75     void setBlendMode(IComposerClient::BlendMode blendMode) { mBlendMode = blendMode; }
76 
77     static constexpr uint32_t kBufferSlotCount = 64;
78 
79     IComposerClient::Rect mDisplayFrame = {0, 0, 0, 0};
80     uint32_t mZOrder = 0;
81     std::vector<IComposerClient::Rect> mSurfaceDamage;
82     Transform mTransform = static_cast<Transform>(0);
83     IComposerClient::FRect mSourceCrop = {0, 0, 0, 0};
84     float mAlpha = 1.0;
85     IComposerClient::BlendMode mBlendMode = IComposerClient::BlendMode::NONE;
86 
87   protected:
88     Layer mLayer;
89 
90   private:
91     std::shared_ptr<ComposerClient> const mComposerClient;
92 };
93 
94 class TestColorLayer : public TestLayer {
95   public:
TestColorLayer(const std::shared_ptr<ComposerClient> & client,Display display)96     TestColorLayer(const std::shared_ptr<ComposerClient>& client, Display display)
97         : TestLayer{client, display} {}
98 
99     void write(const std::shared_ptr<CommandWriterBase>& writer) override;
100 
101     LayerSettings toRenderEngineLayerSettings() override;
102 
setColor(IComposerClient::Color color)103     void setColor(IComposerClient::Color color) { mColor = color; }
104 
105   private:
106     IComposerClient::Color mColor = {0xff, 0xff, 0xff, 0xff};
107 };
108 
109 class TestBufferLayer : public TestLayer {
110   public:
111     TestBufferLayer(
112             const std::shared_ptr<ComposerClient>& client, TestRenderEngine& renderEngine,
113             Display display, int32_t width, int32_t height, PixelFormat format,
114             IComposerClient::Composition composition = IComposerClient::Composition::DEVICE);
115 
116     void write(const std::shared_ptr<CommandWriterBase>& writer) override;
117 
118     LayerSettings toRenderEngineLayerSettings() override;
119 
120     void fillBuffer(std::vector<IComposerClient::Color> expectedColors);
121 
122     void setBuffer(std::vector<IComposerClient::Color> colors);
123 
124     void setDataspace(Dataspace dataspace, const std::shared_ptr<CommandWriterBase>& writer);
125 
126     void setToClientComposition(const std::shared_ptr<CommandWriterBase>& writer);
127 
128     uint32_t mWidth;
129     uint32_t mHeight;
130     uint32_t mLayerCount;
131     PixelFormat mFormat;
132     uint64_t mUsage;
133 
134   protected:
135     IComposerClient::Composition mComposition;
136     TestRenderEngine& mRenderEngine;
137     sp<GraphicBuffer> mBuffer;
138 };
139 
140 class ReadbackHelper {
141   public:
142     static std::string getColorModeString(ColorMode mode);
143 
144     static std::string getDataspaceString(Dataspace dataspace);
145 
146     static Dataspace getDataspaceForColorMode(ColorMode mode);
147 
148     static int32_t GetBytesPerPixel(PixelFormat pixelFormat);
149 
150     static void fillBuffer(int32_t width, int32_t height, uint32_t stride, void* bufferData,
151                            PixelFormat pixelFormat,
152                            std::vector<IComposerClient::Color> desiredPixelColors);
153 
154     static void clearColors(std::vector<IComposerClient::Color>& expectedColors, int32_t width,
155                             int32_t height, int32_t displayWidth);
156 
157     static void fillColorsArea(std::vector<IComposerClient::Color>& expectedColors, int32_t stride,
158                                IComposerClient::Rect area, IComposerClient::Color color);
159 
160     static bool readbackSupported(const PixelFormat& pixelFormat, const Dataspace& dataspace,
161                                   const Error error);
162 
163     static const std::vector<ColorMode> colorModes;
164     static const std::vector<Dataspace> dataspaces;
165 
166     static void compareColorBuffers(std::vector<IComposerClient::Color>& expectedColors,
167                                     void* bufferData, const uint32_t stride, const uint32_t width,
168                                     const uint32_t height, const PixelFormat pixelFormat);
169 };
170 
171 class ReadbackBuffer {
172   public:
173     ReadbackBuffer(Display display, const std::shared_ptr<ComposerClient>& client, uint32_t width,
174                    uint32_t height, PixelFormat pixelFormat, Dataspace dataspace);
175 
176     void setReadbackBuffer();
177 
178     void checkReadbackBuffer(std::vector<IComposerClient::Color> expectedColors);
179 
180   protected:
181     uint32_t mWidth;
182     uint32_t mHeight;
183     uint32_t mLayerCount;
184     PixelFormat mFormat;
185     uint64_t mUsage;
186     sp<GraphicBuffer> mBuffer;
187     PixelFormat mPixelFormat;
188     Dataspace mDataspace;
189     Display mDisplay;
190     std::shared_ptr<ComposerClient> mComposerClient;
191 };
192 
193 }  // namespace vts
194 }  // namespace V2_2
195 }  // namespace composer
196 }  // namespace graphics
197 }  // namespace hardware
198 }  // namespace android
199