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 <cstdint>
20 #include <unordered_map>
21 #include <vector>
22 
23 #include <compositionengine/DisplayColorProfile.h>
24 #include <compositionengine/DisplayColorProfileCreationArgs.h>
25 #include <ui/HdrCapabilities.h>
26 
27 namespace android::compositionengine {
28 
29 class CompositionEngine;
30 class Display;
31 
32 namespace impl {
33 
34 class DisplayColorProfile : public compositionengine::DisplayColorProfile {
35 public:
36     DisplayColorProfile(const DisplayColorProfileCreationArgs&);
37     ~DisplayColorProfile() override;
38 
39     bool isValid() const override;
40 
41     bool hasRenderIntent(ui::RenderIntent intent) const override;
42     bool hasLegacyHdrSupport(ui::Dataspace dataspace) const override;
43     void getBestColorMode(ui::Dataspace dataspace, ui::RenderIntent intent,
44                           ui::Dataspace* outDataspace, ui::ColorMode* outMode,
45                           ui::RenderIntent* outIntent) const override;
46 
47     bool hasWideColorGamut() const override;
48     int32_t getSupportedPerFrameMetadata() const override;
49 
50     // Whether h/w composer has native support for specific HDR type.
51     bool hasHDR10PlusSupport() const override;
52     bool hasHDR10Support() const override;
53     bool hasHLGSupport() const override;
54     bool hasDolbyVisionSupport() const override;
55 
56     const HdrCapabilities& getHdrCapabilities() const override;
57     bool isDataspaceSupported(ui::Dataspace) const override;
58 
59     void dump(std::string&) const override;
60 
61 private:
62     void populateColorModes(const DisplayColorProfileCreationArgs::HwcColorModes& hwcColorModes);
63     void addColorMode(const DisplayColorProfileCreationArgs::HwcColorModes& hwcColorModes,
64                       const ui::ColorMode mode, const ui::RenderIntent intent);
65 
66     // Mappings from desired Dataspace/RenderIntent to the supported
67     // Dataspace/ColorMode/RenderIntent.
68     using ColorModeKey = uint64_t;
69     struct ColorModeValue {
70         ui::Dataspace dataspace;
71         ui::ColorMode colorMode;
72         ui::RenderIntent renderIntent;
73     };
74 
getColorModeKey(ui::Dataspace dataspace,ui::RenderIntent intent)75     static ColorModeKey getColorModeKey(ui::Dataspace dataspace, ui::RenderIntent intent) {
76         return (static_cast<uint64_t>(dataspace) << 32) | static_cast<uint32_t>(intent);
77     }
78 
79     // Need to know if display is wide-color capable or not.
80     // Initialized by SurfaceFlinger when the DisplayDevice is created.
81     // Fed to RenderEngine during composition.
82     bool mHasWideColorGamut{false};
83     int32_t mSupportedPerFrameMetadata{0};
84     bool mHasHdr10Plus{false};
85     bool mHasHdr10{false};
86     bool mHasHLG{false};
87     bool mHasDolbyVision{false};
88     HdrCapabilities mHdrCapabilities;
89     std::unordered_map<ColorModeKey, ColorModeValue> mColorModes;
90 };
91 
92 std::unique_ptr<compositionengine::DisplayColorProfile> createDisplayColorProfile(
93         const DisplayColorProfileCreationArgs&);
94 
95 } // namespace impl
96 } // namespace android::compositionengine
97