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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 // TODO(b/129481165): remove the #pragma below and fix conversion issues
24 #pragma clang diagnostic push
25 #pragma clang diagnostic ignored "-Wconversion"
26 #pragma clang diagnostic ignored "-Wextra"
27 
28 #include <ui/GraphicTypes.h>
29 
30 // TODO(b/129481165): remove the #pragma below and fix conversion issues
31 #pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
32 
33 #include <ui/HdrCapabilities.h>
34 
35 namespace android::compositionengine {
36 
37 /**
38  * A parameter object for creating DisplayColorProfile instances
39  */
40 struct DisplayColorProfileCreationArgs {
41     using HwcColorModes = std::unordered_map<ui::ColorMode, std::vector<ui::RenderIntent>>;
42 
43     // True if this display supports a wide color gamut
44     bool hasWideColorGamut;
45 
46     // The HDR capabilities supported by the HWC
47     HdrCapabilities hdrCapabilities;
48 
49     // The per-frame metadata supported by the HWC
50     int32_t supportedPerFrameMetadata;
51 
52     // The mapping of color modes and render intents supported by the HWC
53     HwcColorModes hwcColorModes;
54 };
55 
56 /**
57  * A helper for setting up a DisplayColorProfileCreationArgs value in-line.
58  *
59  * Prefer this builder over raw structure initialization.
60  *
61  * Instead of:
62  *
63  *   DisplayColorProfileCreationArgs{false, HdrCapabilities(), 0,
64  *                                   HwcColorModes()}
65  *
66  * Prefer:
67  *
68  *  DisplayColorProfileCreationArgsBuilder().setHasWideColorGamut(false)
69  *      .setIsVirtual(false).setDisplayId(displayId).Build();
70  */
71 class DisplayColorProfileCreationArgsBuilder {
72 public:
Build()73     DisplayColorProfileCreationArgs Build() { return std::move(mArgs); }
74 
setHasWideColorGamut(bool hasWideColorGamut)75     DisplayColorProfileCreationArgsBuilder& setHasWideColorGamut(bool hasWideColorGamut) {
76         mArgs.hasWideColorGamut = hasWideColorGamut;
77         return *this;
78     }
setHdrCapabilities(HdrCapabilities && hdrCapabilities)79     DisplayColorProfileCreationArgsBuilder& setHdrCapabilities(HdrCapabilities&& hdrCapabilities) {
80         mArgs.hdrCapabilities = std::move(hdrCapabilities);
81         return *this;
82     }
setSupportedPerFrameMetadata(int32_t supportedPerFrameMetadata)83     DisplayColorProfileCreationArgsBuilder& setSupportedPerFrameMetadata(
84             int32_t supportedPerFrameMetadata) {
85         mArgs.supportedPerFrameMetadata = supportedPerFrameMetadata;
86         return *this;
87     }
setHwcColorModes(DisplayColorProfileCreationArgs::HwcColorModes && hwcColorModes)88     DisplayColorProfileCreationArgsBuilder& setHwcColorModes(
89             DisplayColorProfileCreationArgs::HwcColorModes&& hwcColorModes) {
90         mArgs.hwcColorModes = std::move(hwcColorModes);
91         return *this;
92     }
93 
94 private:
95     DisplayColorProfileCreationArgs mArgs;
96 };
97 
98 } // namespace android::compositionengine
99