1 /*
2 * Copyright 2021 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 #include "Layer.h"
18
19 #include <sync/sync.h>
20
21 #include <atomic>
22
23 namespace android {
24 namespace {
25
26 std::atomic<hwc2_layer_t> sNextId{1};
27
28 } // namespace
29
Layer()30 Layer::Layer() : mId(sNextId++) {}
31
setBuffer(buffer_handle_t buffer,int32_t fence)32 HWC2::Error Layer::setBuffer(buffer_handle_t buffer, int32_t fence) {
33 DEBUG_LOG("%s: layer:%" PRIu64 " buffer:%p fence:%" PRIu32, __FUNCTION__, mId,
34 buffer, fence);
35 mBuffer.setBuffer(buffer);
36 mBuffer.setFence(fence);
37 return HWC2::Error::None;
38 }
39
waitAndGetBuffer()40 buffer_handle_t Layer::waitAndGetBuffer() {
41 DEBUG_LOG("%s layer:%" PRIu64, __FUNCTION__, mId);
42
43 int fence = mBuffer.getFence();
44 if (fence != -1) {
45 int err = sync_wait(fence, 3000);
46 if (err < 0 && errno == ETIME) {
47 ALOGE("%s waited on fence %" PRId32 " for 3000 ms", __FUNCTION__, fence);
48 }
49 close(fence);
50 }
51
52 return mBuffer.getBuffer();
53 }
54
setCursorPosition(int32_t,int32_t)55 HWC2::Error Layer::setCursorPosition(int32_t /*x*/, int32_t /*y*/) {
56 DEBUG_LOG("%s layer:%" PRIu64, __FUNCTION__, mId);
57
58 if (mCompositionType != HWC2::Composition::Cursor) {
59 ALOGE("%s: CompositionType not Cursor type", __FUNCTION__);
60 return HWC2::Error::BadLayer;
61 }
62
63 return HWC2::Error::None;
64 }
65
setSurfaceDamage(hwc_region_t)66 HWC2::Error Layer::setSurfaceDamage(hwc_region_t /*damage*/) {
67 DEBUG_LOG("%s layer:%" PRIu64, __FUNCTION__, mId);
68
69 return HWC2::Error::None;
70 }
71
setBlendMode(int32_t m)72 HWC2::Error Layer::setBlendMode(int32_t m) {
73 const auto blendMode = static_cast<HWC2::BlendMode>(m);
74 const auto blendModeString = to_string(blendMode);
75 DEBUG_LOG("%s layer:%" PRIu64 " blend mode:%s", __FUNCTION__, mId,
76 blendModeString.c_str());
77
78 mBlendMode = blendMode;
79 return HWC2::Error::None;
80 }
81
getBlendMode() const82 HWC2::BlendMode Layer::getBlendMode() const {
83 const auto blendMode = mBlendMode;
84 const auto blendModeString = to_string(blendMode);
85 DEBUG_LOG("%s layer:%" PRIu64 " blend mode:%s", __FUNCTION__, mId,
86 blendModeString.c_str());
87
88 return blendMode;
89 }
90
setColor(hwc_color_t color)91 HWC2::Error Layer::setColor(hwc_color_t color) {
92 DEBUG_LOG("%s layer:%" PRIu64 " color-r:%d color-g:%d color-b:%d color-a:%d)",
93 __FUNCTION__, mId, color.r, color.g, color.b, color.a);
94
95 mColor = color;
96 return HWC2::Error::None;
97 }
98
getColor() const99 hwc_color_t Layer::getColor() const {
100 auto color = mColor;
101 DEBUG_LOG("%s layer:%" PRIu64 " color-r:%d color-g:%d color-b:%d color-a:%d)",
102 __FUNCTION__, mId, color.r, color.g, color.b, color.a);
103
104 return color;
105 }
106
setCompositionTypeEnum(HWC2::Composition compositionType)107 HWC2::Error Layer::setCompositionTypeEnum(HWC2::Composition compositionType) {
108 const auto compositionTypeString = to_string(compositionType);
109 DEBUG_LOG("%s layer:%" PRIu64 " composition type:%s", __FUNCTION__, mId,
110 compositionTypeString.c_str());
111
112 mCompositionType = compositionType;
113 return HWC2::Error::None;
114 }
115
setCompositionType(int32_t type)116 HWC2::Error Layer::setCompositionType(int32_t type) {
117 const auto compositionType = static_cast<HWC2::Composition>(type);
118 return setCompositionTypeEnum(compositionType);
119 }
120
getCompositionType() const121 HWC2::Composition Layer::getCompositionType() const {
122 const auto compositionType = mCompositionType;
123 const auto compositionTypeString = to_string(compositionType);
124 DEBUG_LOG("%s layer:%" PRIu64 " composition type:%s", __FUNCTION__, mId,
125 compositionTypeString.c_str());
126
127 return compositionType;
128 }
129
setDataspace(int32_t)130 HWC2::Error Layer::setDataspace(int32_t) {
131 DEBUG_LOG("%s layer:%" PRIu64, __FUNCTION__, mId);
132
133 return HWC2::Error::None;
134 }
135
setDisplayFrame(hwc_rect_t frame)136 HWC2::Error Layer::setDisplayFrame(hwc_rect_t frame) {
137 DEBUG_LOG("%s layer:%" PRIu64
138 " display frame rect-left:%d rect-top:%d rect-right:%d rect-bot:%d",
139 __FUNCTION__, mId, frame.left, frame.top, frame.right,
140 frame.bottom);
141
142 mDisplayFrame = frame;
143 return HWC2::Error::None;
144 }
145
getDisplayFrame() const146 hwc_rect_t Layer::getDisplayFrame() const {
147 auto frame = mDisplayFrame;
148 DEBUG_LOG("%s layer:%" PRIu64
149 " display frame rect-left:%d rect-top:%d rect-right:%d rect-bot:%d",
150 __FUNCTION__, mId, frame.left, frame.top, frame.right,
151 frame.bottom);
152
153 return frame;
154 }
155
setPlaneAlpha(float alpha)156 HWC2::Error Layer::setPlaneAlpha(float alpha) {
157 DEBUG_LOG("%s layer:%" PRIu64 "alpha:%f", __FUNCTION__, mId, alpha);
158
159 mPlaneAlpha = alpha;
160 return HWC2::Error::None;
161 }
162
getPlaneAlpha() const163 float Layer::getPlaneAlpha() const {
164 auto alpha = mPlaneAlpha;
165 DEBUG_LOG("%s layer:%" PRIu64 "alpha:%f", __FUNCTION__, mId, alpha);
166
167 return alpha;
168 }
169
setSidebandStream(const native_handle_t * stream)170 HWC2::Error Layer::setSidebandStream(const native_handle_t* stream) {
171 DEBUG_LOG("%s layer:%" PRIu64, __FUNCTION__, mId);
172
173 mSidebandStream = stream;
174 return HWC2::Error::None;
175 }
176
setSourceCrop(hwc_frect_t crop)177 HWC2::Error Layer::setSourceCrop(hwc_frect_t crop) {
178 DEBUG_LOG("%s layer:%" PRIu64
179 "crop rect-left:%f rect-top:%f rect-right:%f rect-bot:%f",
180 __FUNCTION__, mId, crop.left, crop.top, crop.right, crop.bottom);
181
182 mSourceCrop = crop;
183 return HWC2::Error::None;
184 }
185
getSourceCrop() const186 hwc_frect_t Layer::getSourceCrop() const {
187 hwc_frect_t crop = mSourceCrop;
188 DEBUG_LOG("%s layer:%" PRIu64
189 "crop rect-left:%f rect-top:%f rect-right:%f rect-bot:%f",
190 __FUNCTION__, mId, crop.left, crop.top, crop.right, crop.bottom);
191
192 return crop;
193 }
194
getSourceCropInt() const195 hwc_rect_t Layer::getSourceCropInt() const {
196 hwc_rect_t crop = {};
197 crop.left = static_cast<int>(mSourceCrop.left);
198 crop.top = static_cast<int>(mSourceCrop.top);
199 crop.right = static_cast<int>(mSourceCrop.right);
200 crop.bottom = static_cast<int>(mSourceCrop.bottom);
201 DEBUG_LOG("%s layer:%" PRIu64
202 "crop rect-left:%d rect-top:%d rect-right:%d rect-bot:%d",
203 __FUNCTION__, mId, crop.left, crop.top, crop.right, crop.bottom);
204
205 return crop;
206 }
207
setTransform(int32_t transform)208 HWC2::Error Layer::setTransform(int32_t transform) {
209 const auto transformType = static_cast<HWC2::Transform>(transform);
210 const auto transformTypeString = to_string(transformType);
211 DEBUG_LOG("%s layer:%" PRIu64 " transform:%s", __FUNCTION__, mId,
212 transformTypeString.c_str());
213
214 mTransform = transformType;
215 return HWC2::Error::None;
216 }
217
getTransform() const218 hwc_transform_t Layer::getTransform() const {
219 const auto transform = mTransform;
220 const auto transformString = to_string(transform);
221 DEBUG_LOG("%s layer:%" PRIu64 " transform:%s", __FUNCTION__, mId,
222 transformString.c_str());
223
224 return static_cast<hwc_transform_t>(transform);
225 }
226
setVisibleRegion(hwc_region_t visible)227 HWC2::Error Layer::setVisibleRegion(hwc_region_t visible) {
228 DEBUG_LOG("%s layer:%" PRIu64, __FUNCTION__, mId);
229
230 mVisibleRegion.resize(visible.numRects);
231 std::copy_n(visible.rects, visible.numRects, mVisibleRegion.data());
232 return HWC2::Error::None;
233 }
234
getNumVisibleRegions() const235 std::size_t Layer::getNumVisibleRegions() const {
236 std::size_t num = mVisibleRegion.size();
237 DEBUG_LOG("%s layer:%" PRIu64 " number of visible regions: %zu", __FUNCTION__,
238 mId, num);
239
240 return num;
241 }
242
setZ(uint32_t z)243 HWC2::Error Layer::setZ(uint32_t z) {
244 DEBUG_LOG("%s layer:%" PRIu64 " z:%d", __FUNCTION__, mId, z);
245
246 mZ = z;
247 return HWC2::Error::None;
248 }
249
getZ() const250 uint32_t Layer::getZ() const {
251 uint32_t z = mZ;
252 DEBUG_LOG("%s layer:%" PRIu64 " z:%d", __FUNCTION__, mId, z);
253
254 return z;
255 }
256
257 } // namespace android