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Drew Davenport5951b112024-08-05 09:44:27 -06001/*
2 * Copyright (C) 2024 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
Sasha McIntosh851ea4d2024-12-04 17:14:55 -050019#include <aidl/android/hardware/graphics/common/Hdr.h>
Drew Davenport5951b112024-08-05 09:44:27 -060020#include <aidl/android/hardware/graphics/composer3/IComposerClient.h>
21#include <hardware/hwcomposer2.h>
Jason Macnak1f263842024-09-18 13:27:18 -070022#include <log/log.h>
Drew Davenport5951b112024-08-05 09:44:27 -060023
24#include <cstdint>
25
26// NOLINTNEXTLINE
27#define DEBUG_FUNC() ALOGV("%s", __func__)
28
29namespace aidl::android::hardware::graphics::composer3 {
30
31namespace hwc3 {
32enum class Error : int32_t {
33 kNone = 0,
34 kBadConfig = IComposerClient::EX_BAD_CONFIG,
35 kBadDisplay = IComposerClient::EX_BAD_DISPLAY,
36 kBadLayer = IComposerClient::EX_BAD_LAYER,
37 kBadParameter = IComposerClient::EX_BAD_PARAMETER,
38 kNoResources = IComposerClient::EX_NO_RESOURCES,
39 kNotValidated = IComposerClient::EX_NOT_VALIDATED,
40 kUnsupported = IComposerClient::EX_UNSUPPORTED,
41 kSeamlessNotAllowed = IComposerClient::EX_SEAMLESS_NOT_ALLOWED,
42 kSeamlessNotPossible = IComposerClient::EX_SEAMLESS_NOT_POSSIBLE,
43};
44} // namespace hwc3
45
46hwc3::Error Hwc2toHwc3Error(HWC2::Error error);
47
48inline ndk::ScopedAStatus ToBinderStatus(hwc3::Error error) {
49 if (error != hwc3::Error::kNone) {
50 return ndk::ScopedAStatus::fromServiceSpecificError(
51 static_cast<int32_t>(error));
52 }
53 return ndk::ScopedAStatus::ok();
54}
55
56inline ndk::ScopedAStatus ToBinderStatus(HWC2::Error error) {
57 return ToBinderStatus(Hwc2toHwc3Error(error));
58}
59
60// ID conversion. HWC2 uses typedef'd unsigned integer types while HWC3 uses
61// signed integer types. static_cast in between these.
62inline int64_t Hwc2LayerToHwc3(hwc2_layer_t layer) {
63 return static_cast<int64_t>(layer);
64}
65
66inline int64_t Hwc2DisplayToHwc3(hwc2_display_t display) {
67 return static_cast<int64_t>(display);
68}
69
70inline int32_t Hwc2ConfigIdToHwc3(hwc2_config_t config_id) {
71 return static_cast<int32_t>(config_id);
72}
73
74inline hwc2_layer_t Hwc3LayerToHwc2(int64_t layer) {
75 return static_cast<hwc2_layer_t>(layer);
76}
77
78inline hwc2_display_t Hwc3DisplayToHwc2(int64_t display) {
79 return static_cast<hwc2_display_t>(display);
80}
81
82inline hwc2_config_t Hwc3ConfigIdToHwc2(int32_t config_id) {
83 return static_cast<hwc2_config_t>(config_id);
84}
85
86// Values match up to HWC2_COMPOSITION_SIDEBAND, with HWC2 not supporting
87// newer values. static_cast in between shared values.
88// https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
89// https://cs.android.com/android/platform/superproject/main/+/main:hardware/libhardware/include_all/hardware/hwcomposer2.h;drc=d783cabd4d9bddb4b83f2dd38300b7598bb58b24;l=826
90inline Composition Hwc2CompositionTypeToHwc3(int32_t composition_type) {
91 if (composition_type < HWC2_COMPOSITION_INVALID ||
92 composition_type > HWC2_COMPOSITION_SIDEBAND) {
93 return Composition::INVALID;
94 }
95 return static_cast<Composition>(composition_type);
96}
97
Drew Davenport5951b112024-08-05 09:44:27 -060098// Values for color modes match across HWC versions, so static cast is safe:
99// https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/graphics/composer/aidl/android/hardware/graphics/composer3/ColorMode.aidl
100// https://cs.android.com/android/platform/superproject/main/+/main:system/core/libsystem/include/system/graphics-base-v1.0.h;drc=7d940ae4afa450696afa25e07982f3a95e17e9b2;l=118
101// https://cs.android.com/android/platform/superproject/main/+/main:system/core/libsystem/include/system/graphics-base-v1.1.h;drc=7d940ae4afa450696afa25e07982f3a95e17e9b2;l=35
102inline ColorMode Hwc2ColorModeToHwc3(int32_t color_mode) {
103 return static_cast<ColorMode>(color_mode);
104}
105
106inline int32_t Hwc3ColorModeToHwc2(ColorMode color_mode) {
107 return static_cast<int32_t>(color_mode);
108}
109
110// Capabilities match up to DisplayCapability::AUTO_LOW_LATENCY_MODE, with hwc2
111// not defining capabilities beyond that.
112// https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl#28
113// https://cs.android.com/android/platform/superproject/main/+/main:hardware/libhardware/include_all/hardware/hwcomposer2.h;drc=1a0e4a1698c7b080d6763cef9e16592bce75967e;l=418
114inline DisplayCapability Hwc2DisplayCapabilityToHwc3(
115 uint32_t display_capability) {
116 if (display_capability > HWC2_DISPLAY_CAPABILITY_AUTO_LOW_LATENCY_MODE) {
117 return DisplayCapability::INVALID;
118 }
119 return static_cast<DisplayCapability>(display_capability);
120}
121
122// Values match between hwc versions, so static cast is safe.
123// https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayConnectionType.aidl
124// https://cs.android.com/android/platform/superproject/main/+/main:hardware/libhardware/include_all/hardware/hwcomposer2.h;l=216;drc=d783cabd4d9bddb4b83f2dd38300b7598bb58b24;bpv=0;bpt=1
125inline DisplayConnectionType Hwc2DisplayConnectionTypeToHwc3(uint32_t type) {
126 if (type > HWC2_DISPLAY_CONNECTION_TYPE_EXTERNAL) {
127 // Arbitrarily return EXTERNAL in this case, which shouldn't happen.
128 // TODO: This will be cleaned up once hwc2<->hwc3 conversion is removed.
129 ALOGE("Unknown HWC2 connection type. Could not translate: %d", type);
130 return DisplayConnectionType::EXTERNAL;
131 }
132 return static_cast<DisplayConnectionType>(type);
133}
134
135// Values match, so static_cast is safe.
136// https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/graphics/composer/aidl/android/hardware/graphics/composer3/RenderIntent.aidl
137// https://cs.android.com/android/platform/superproject/main/+/main:system/core/libsystem/include/system/graphics-base-v1.1.h;drc=7d940ae4afa450696afa25e07982f3a95e17e9b2;l=37
138inline RenderIntent Hwc2RenderIntentToHwc3(int32_t intent) {
139 if (intent < HAL_RENDER_INTENT_COLORIMETRIC ||
140 intent > HAL_RENDER_INTENT_TONE_MAP_ENHANCE) {
141 ALOGE("Unknown HWC2 render intent. Could not translate: %d", intent);
142 return RenderIntent::COLORIMETRIC;
143 }
144 return static_cast<RenderIntent>(intent);
145}
146inline int32_t Hwc3RenderIntentToHwc2(RenderIntent render_intent) {
147 return static_cast<int32_t>(render_intent);
148}
149
Drew Davenport5951b112024-08-05 09:44:27 -0600150// Values match up to DOZE_SUSPEND.
151// https://android.googlesource.com/platform/hardware/interfaces/+/refs/heads/main/graphics/composer/aidl/android/hardware/graphics/composer3/PowerMode.aidl
152// https://cs.android.com/android/platform/superproject/main/+/main:hardware/libhardware/include_all/hardware/hwcomposer2.h;l=348;drc=d783cabd4d9bddb4b83f2dd38300b7598bb58b24
153inline int32_t Hwc3PowerModeToHwc2(PowerMode power_mode) {
154 if (power_mode > PowerMode::DOZE_SUSPEND) {
155 ALOGE("Unsupported HWC2 power mode. Could not translate: %d", power_mode);
156 return HWC2_POWER_MODE_ON;
157 }
158 return static_cast<int32_t>(power_mode);
159}
160
Drew Davenport5951b112024-08-05 09:44:27 -0600161// Values appear to match.
162// https://cs.android.com/android/platform/superproject/main/+/main:hardware/interfaces/graphics/common/aidl/android/hardware/graphics/common/Dataspace.aidl
163// https://cs.android.com/android/platform/superproject/main/+/main:system/core/libsystem/include/system/graphics-base-v1.0.h;l=43
164// https://cs.android.com/android/platform/superproject/main/+/main:system/core/libsystem/include/system/graphics-base-v1.1.h;l=22;drc=7d940ae4afa450696afa25e07982f3a95e17e9b2
165inline int32_t Hwc3DataspaceToHwc2(common::Dataspace dataspace) {
166 return static_cast<int32_t>(dataspace);
167}
168
Sasha McIntosh851ea4d2024-12-04 17:14:55 -0500169// Values appear to match.
170// https://cs.android.com/android/platform/superproject/main/+/main:hardware/interfaces/graphics/common/aidl/android/hardware/graphics/common/Hdr.aidl
171// https://cs.android.com/android/platform/superproject/main/+/main:system/core/libsystem/include/system/graphics-base-v1.0.h;l=130;drc=7d940ae4afa450696afa25e07982f3a95e17e9b2
172// https://cs.android.com/android/platform/superproject/main/+/main:system/core/libsystem/include/system/graphics-base-v1.2.h;l=12;drc=af7be7616859f8e9e57710b9c37c66cf880a6643
173inline common::Hdr Hwc2HdrTypeToHwc3(int32_t hdr_type) {
174 return static_cast<common::Hdr>(hdr_type);
175}
176
177}; // namespace aidl::android::hardware::graphics::composer3