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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/ozone/platform/drm/gpu/screen_manager.h" | 5 #include "ui/ozone/platform/drm/gpu/screen_manager.h" |
6 | 6 |
7 #include <xf86drmMode.h> | 7 #include <xf86drmMode.h> |
8 | 8 |
9 #include "third_party/skia/include/core/SkCanvas.h" | 9 #include "third_party/skia/include/core/SkCanvas.h" |
10 #include "ui/gfx/geometry/point.h" | 10 #include "ui/gfx/geometry/point.h" |
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26 // to the new modeset buffer |buffer|. | 26 // to the new modeset buffer |buffer|. |
27 void FillModesetBuffer(const scoped_refptr<DrmDevice>& drm, | 27 void FillModesetBuffer(const scoped_refptr<DrmDevice>& drm, |
28 HardwareDisplayController* controller, | 28 HardwareDisplayController* controller, |
29 ScanoutBuffer* buffer) { | 29 ScanoutBuffer* buffer) { |
30 DrmConsoleBuffer modeset_buffer(drm, buffer->GetFramebufferId()); | 30 DrmConsoleBuffer modeset_buffer(drm, buffer->GetFramebufferId()); |
31 if (!modeset_buffer.Initialize()) { | 31 if (!modeset_buffer.Initialize()) { |
32 VLOG(2) << "Failed to grab framebuffer " << buffer->GetFramebufferId(); | 32 VLOG(2) << "Failed to grab framebuffer " << buffer->GetFramebufferId(); |
33 return; | 33 return; |
34 } | 34 } |
35 | 35 |
36 auto crtcs = controller->crtc_controllers(); | 36 DCHECK(!controller->crtc_controllers().empty()); |
37 DCHECK(!crtcs.empty()); | 37 CrtcController* first_crtc = controller->crtc_controllers()[0].get(); |
38 | 38 ScopedDrmCrtcPtr saved_crtc(drm->GetCrtc(first_crtc->crtc())); |
39 ScopedDrmCrtcPtr saved_crtc(drm->GetCrtc(crtcs[0]->crtc())); | |
40 if (!saved_crtc || !saved_crtc->buffer_id) { | 39 if (!saved_crtc || !saved_crtc->buffer_id) { |
41 VLOG(2) << "Crtc has no saved state or wasn't modeset"; | 40 VLOG(2) << "Crtc has no saved state or wasn't modeset"; |
42 return; | 41 return; |
43 } | 42 } |
44 | 43 |
45 // If the display controller is in mirror mode, the CRTCs should be sharing | 44 // If the display controller is in mirror mode, the CRTCs should be sharing |
46 // the same framebuffer. | 45 // the same framebuffer. |
47 DrmConsoleBuffer saved_buffer(drm, saved_crtc->buffer_id); | 46 DrmConsoleBuffer saved_buffer(drm, saved_crtc->buffer_id); |
48 if (!saved_buffer.Initialize()) { | 47 if (!saved_buffer.Initialize()) { |
49 VLOG(2) << "Failed to grab saved framebuffer " << saved_crtc->buffer_id; | 48 VLOG(2) << "Failed to grab saved framebuffer " << saved_crtc->buffer_id; |
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61 skia::RefPtr<SkImage> image = saved_buffer.image(); | 60 skia::RefPtr<SkImage> image = saved_buffer.image(); |
62 SkPaint paint; | 61 SkPaint paint; |
63 // Copy the source buffer. Do not perform any blending. | 62 // Copy the source buffer. Do not perform any blending. |
64 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | 63 paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
65 modeset_buffer.canvas()->drawImage(image.get(), 0, 0, &paint); | 64 modeset_buffer.canvas()->drawImage(image.get(), 0, 0, &paint); |
66 } | 65 } |
67 | 66 |
68 CrtcController* GetCrtcController(HardwareDisplayController* controller, | 67 CrtcController* GetCrtcController(HardwareDisplayController* controller, |
69 const scoped_refptr<DrmDevice>& drm, | 68 const scoped_refptr<DrmDevice>& drm, |
70 uint32_t crtc) { | 69 uint32_t crtc) { |
71 for (CrtcController* crtc_controller : controller->crtc_controllers()) { | 70 for (const auto& crtc_controller : controller->crtc_controllers()) { |
72 if (crtc_controller->crtc() == crtc) | 71 if (crtc_controller->crtc() == crtc) |
73 return crtc_controller; | 72 return crtc_controller.get(); |
74 } | 73 } |
75 | 74 |
76 NOTREACHED(); | 75 NOTREACHED(); |
77 return nullptr; | 76 return nullptr; |
78 } | 77 } |
79 | 78 |
80 } // namespace | 79 } // namespace |
81 | 80 |
82 ScreenManager::ScreenManager(ScanoutBufferGenerator* buffer_generator) | 81 ScreenManager::ScreenManager(ScanoutBufferGenerator* buffer_generator) |
83 : buffer_generator_(buffer_generator) { | 82 : buffer_generator_(buffer_generator) { |
84 } | 83 } |
85 | 84 |
86 ScreenManager::~ScreenManager() { | 85 ScreenManager::~ScreenManager() { |
87 DCHECK(window_map_.empty()); | 86 DCHECK(window_map_.empty()); |
88 } | 87 } |
89 | 88 |
90 void ScreenManager::AddDisplayController(const scoped_refptr<DrmDevice>& drm, | 89 void ScreenManager::AddDisplayController(const scoped_refptr<DrmDevice>& drm, |
91 uint32_t crtc, | 90 uint32_t crtc, |
92 uint32_t connector) { | 91 uint32_t connector) { |
93 HardwareDisplayControllers::iterator it = FindDisplayController(drm, crtc); | 92 HardwareDisplayControllers::iterator it = FindDisplayController(drm, crtc); |
94 // TODO(dnicoara): Turn this into a DCHECK when async display configuration is | 93 // TODO(dnicoara): Turn this into a DCHECK when async display configuration is |
95 // properly supported. (When there can't be a race between forcing initial | 94 // properly supported. (When there can't be a race between forcing initial |
96 // display configuration in ScreenManager and NativeDisplayDelegate creating | 95 // display configuration in ScreenManager and NativeDisplayDelegate creating |
97 // the display controllers.) | 96 // the display controllers.) |
98 if (it != controllers_.end()) { | 97 if (it != controllers_.end()) { |
99 LOG(WARNING) << "Display controller (crtc=" << crtc << ") already present."; | 98 LOG(WARNING) << "Display controller (crtc=" << crtc << ") already present."; |
100 return; | 99 return; |
101 } | 100 } |
102 | 101 |
103 controllers_.push_back(new HardwareDisplayController( | 102 controllers_.push_back(make_scoped_ptr(new HardwareDisplayController( |
104 scoped_ptr<CrtcController>(new CrtcController(drm, crtc, connector)), | 103 scoped_ptr<CrtcController>(new CrtcController(drm, crtc, connector)), |
105 gfx::Point())); | 104 gfx::Point()))); |
106 } | 105 } |
107 | 106 |
108 void ScreenManager::RemoveDisplayController(const scoped_refptr<DrmDevice>& drm, | 107 void ScreenManager::RemoveDisplayController(const scoped_refptr<DrmDevice>& drm, |
109 uint32_t crtc) { | 108 uint32_t crtc) { |
110 HardwareDisplayControllers::iterator it = FindDisplayController(drm, crtc); | 109 HardwareDisplayControllers::iterator it = FindDisplayController(drm, crtc); |
111 if (it != controllers_.end()) { | 110 if (it != controllers_.end()) { |
112 bool is_mirrored = (*it)->IsMirrored(); | 111 bool is_mirrored = (*it)->IsMirrored(); |
113 (*it)->RemoveCrtc(drm, crtc); | 112 (*it)->RemoveCrtc(drm, crtc); |
114 if (!is_mirrored) { | 113 if (!is_mirrored) { |
115 controllers_.erase(it); | 114 controllers_.erase(it); |
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137 uint32_t crtc, | 136 uint32_t crtc, |
138 uint32_t connector, | 137 uint32_t connector, |
139 const gfx::Point& origin, | 138 const gfx::Point& origin, |
140 const drmModeModeInfo& mode) { | 139 const drmModeModeInfo& mode) { |
141 gfx::Rect modeset_bounds(origin.x(), origin.y(), mode.hdisplay, | 140 gfx::Rect modeset_bounds(origin.x(), origin.y(), mode.hdisplay, |
142 mode.vdisplay); | 141 mode.vdisplay); |
143 HardwareDisplayControllers::iterator it = FindDisplayController(drm, crtc); | 142 HardwareDisplayControllers::iterator it = FindDisplayController(drm, crtc); |
144 DCHECK(controllers_.end() != it) << "Display controller (crtc=" << crtc | 143 DCHECK(controllers_.end() != it) << "Display controller (crtc=" << crtc |
145 << ") doesn't exist."; | 144 << ") doesn't exist."; |
146 | 145 |
147 HardwareDisplayController* controller = *it; | 146 HardwareDisplayController* controller = it->get(); |
148 CrtcController* crtc_controller = GetCrtcController(controller, drm, crtc); | 147 CrtcController* crtc_controller = GetCrtcController(controller, drm, crtc); |
149 // If nothing changed just enable the controller. Note, we perform an exact | 148 // If nothing changed just enable the controller. Note, we perform an exact |
150 // comparison on the mode since the refresh rate may have changed. | 149 // comparison on the mode since the refresh rate may have changed. |
151 if (SameMode(mode, crtc_controller->mode()) && | 150 if (SameMode(mode, crtc_controller->mode()) && |
152 origin == controller->origin()) { | 151 origin == controller->origin()) { |
153 if (controller->IsDisabled()) { | 152 if (controller->IsDisabled()) { |
154 HardwareDisplayControllers::iterator mirror = | 153 HardwareDisplayControllers::iterator mirror = |
155 FindActiveDisplayControllerByLocation(modeset_bounds); | 154 FindActiveDisplayControllerByLocation(modeset_bounds); |
156 // If there is an active controller at the same location then start mirror | 155 // If there is an active controller at the same location then start mirror |
157 // mode. | 156 // mode. |
158 if (mirror != controllers_.end()) | 157 if (mirror != controllers_.end()) |
159 return HandleMirrorMode(it, mirror, drm, crtc, connector, mode); | 158 return HandleMirrorMode(it, mirror, drm, crtc, connector, mode); |
160 } | 159 } |
161 | 160 |
162 // Just re-enable the controller to re-use the current state. | 161 // Just re-enable the controller to re-use the current state. |
163 return EnableController(controller); | 162 return EnableController(controller); |
164 } | 163 } |
165 | 164 |
166 // Either the mode or the location of the display changed, so exit mirror | 165 // Either the mode or the location of the display changed, so exit mirror |
167 // mode and configure the display independently. If the caller still wants | 166 // mode and configure the display independently. If the caller still wants |
168 // mirror mode, subsequent calls configuring the other controllers will | 167 // mirror mode, subsequent calls configuring the other controllers will |
169 // restore mirror mode. | 168 // restore mirror mode. |
170 if (controller->IsMirrored()) { | 169 if (controller->IsMirrored()) { |
171 controller = new HardwareDisplayController( | 170 controllers_.push_back(make_scoped_ptr(new HardwareDisplayController( |
172 controller->RemoveCrtc(drm, crtc), controller->origin()); | 171 controller->RemoveCrtc(drm, crtc), controller->origin()))); |
173 controllers_.push_back(controller); | |
174 it = controllers_.end() - 1; | 172 it = controllers_.end() - 1; |
| 173 controller = it->get(); |
175 } | 174 } |
176 | 175 |
177 HardwareDisplayControllers::iterator mirror = | 176 HardwareDisplayControllers::iterator mirror = |
178 FindActiveDisplayControllerByLocation(modeset_bounds); | 177 FindActiveDisplayControllerByLocation(modeset_bounds); |
179 // Handle mirror mode. | 178 // Handle mirror mode. |
180 if (mirror != controllers_.end() && it != mirror) | 179 if (mirror != controllers_.end() && it != mirror) |
181 return HandleMirrorMode(it, mirror, drm, crtc, connector, mode); | 180 return HandleMirrorMode(it, mirror, drm, crtc, connector, mode); |
182 | 181 |
183 return ModesetController(controller, origin, mode); | 182 return ModesetController(controller, origin, mode); |
184 } | 183 } |
185 | 184 |
186 bool ScreenManager::DisableDisplayController( | 185 bool ScreenManager::DisableDisplayController( |
187 const scoped_refptr<DrmDevice>& drm, | 186 const scoped_refptr<DrmDevice>& drm, |
188 uint32_t crtc) { | 187 uint32_t crtc) { |
189 HardwareDisplayControllers::iterator it = FindDisplayController(drm, crtc); | 188 HardwareDisplayControllers::iterator it = FindDisplayController(drm, crtc); |
190 if (it != controllers_.end()) { | 189 if (it != controllers_.end()) { |
191 HardwareDisplayController* controller = *it; | 190 HardwareDisplayController* controller = it->get(); |
192 if (controller->IsMirrored()) { | 191 if (controller->IsMirrored()) { |
193 controller = new HardwareDisplayController( | 192 controllers_.push_back(make_scoped_ptr(new HardwareDisplayController( |
194 controller->RemoveCrtc(drm, crtc), controller->origin()); | 193 controller->RemoveCrtc(drm, crtc), controller->origin()))); |
195 controllers_.push_back(controller); | 194 controller = controllers_.back().get(); |
196 } | 195 } |
197 | 196 |
198 controller->Disable(); | 197 controller->Disable(); |
199 UpdateControllerToWindowMapping(); | 198 UpdateControllerToWindowMapping(); |
200 return true; | 199 return true; |
201 } | 200 } |
202 | 201 |
203 LOG(ERROR) << "Failed to find display controller crtc=" << crtc; | 202 LOG(ERROR) << "Failed to find display controller crtc=" << crtc; |
204 return false; | 203 return false; |
205 } | 204 } |
206 | 205 |
207 HardwareDisplayController* ScreenManager::GetDisplayController( | 206 HardwareDisplayController* ScreenManager::GetDisplayController( |
208 const gfx::Rect& bounds) { | 207 const gfx::Rect& bounds) { |
209 HardwareDisplayControllers::iterator it = | 208 HardwareDisplayControllers::iterator it = |
210 FindActiveDisplayControllerByLocation(bounds); | 209 FindActiveDisplayControllerByLocation(bounds); |
211 if (it != controllers_.end()) | 210 if (it != controllers_.end()) |
212 return *it; | 211 return it->get(); |
213 | 212 |
214 return nullptr; | 213 return nullptr; |
215 } | 214 } |
216 | 215 |
217 void ScreenManager::AddWindow(gfx::AcceleratedWidget widget, | 216 void ScreenManager::AddWindow(gfx::AcceleratedWidget widget, |
218 scoped_ptr<DrmWindow> window) { | 217 scoped_ptr<DrmWindow> window) { |
219 std::pair<WidgetToWindowMap::iterator, bool> result = | 218 std::pair<WidgetToWindowMap::iterator, bool> result = |
220 window_map_.add(widget, window.Pass()); | 219 window_map_.add(widget, window.Pass()); |
221 DCHECK(result.second) << "Window already added."; | 220 DCHECK(result.second) << "Window already added."; |
222 UpdateControllerToWindowMapping(); | 221 UpdateControllerToWindowMapping(); |
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234 WidgetToWindowMap::iterator it = window_map_.find(widget); | 233 WidgetToWindowMap::iterator it = window_map_.find(widget); |
235 if (it != window_map_.end()) | 234 if (it != window_map_.end()) |
236 return it->second; | 235 return it->second; |
237 | 236 |
238 return nullptr; | 237 return nullptr; |
239 } | 238 } |
240 | 239 |
241 ScreenManager::HardwareDisplayControllers::iterator | 240 ScreenManager::HardwareDisplayControllers::iterator |
242 ScreenManager::FindDisplayController(const scoped_refptr<DrmDevice>& drm, | 241 ScreenManager::FindDisplayController(const scoped_refptr<DrmDevice>& drm, |
243 uint32_t crtc) { | 242 uint32_t crtc) { |
244 for (HardwareDisplayControllers::iterator it = controllers_.begin(); | 243 for (auto it = controllers_.begin(); it != controllers_.end(); ++it) { |
245 it != controllers_.end(); ++it) { | |
246 if ((*it)->HasCrtc(drm, crtc)) | 244 if ((*it)->HasCrtc(drm, crtc)) |
247 return it; | 245 return it; |
248 } | 246 } |
249 | 247 |
250 return controllers_.end(); | 248 return controllers_.end(); |
251 } | 249 } |
252 | 250 |
253 ScreenManager::HardwareDisplayControllers::iterator | 251 ScreenManager::HardwareDisplayControllers::iterator |
254 ScreenManager::FindActiveDisplayControllerByLocation(const gfx::Rect& bounds) { | 252 ScreenManager::FindActiveDisplayControllerByLocation(const gfx::Rect& bounds) { |
255 for (HardwareDisplayControllers::iterator it = controllers_.begin(); | 253 for (auto it = controllers_.begin(); it != controllers_.end(); ++it) { |
256 it != controllers_.end(); ++it) { | |
257 gfx::Rect controller_bounds((*it)->origin(), (*it)->GetModeSize()); | 254 gfx::Rect controller_bounds((*it)->origin(), (*it)->GetModeSize()); |
258 if (controller_bounds == bounds && !(*it)->IsDisabled()) | 255 if (controller_bounds == bounds && !(*it)->IsDisabled()) |
259 return it; | 256 return it; |
260 } | 257 } |
261 | 258 |
262 return controllers_.end(); | 259 return controllers_.end(); |
263 } | 260 } |
264 | 261 |
265 bool ScreenManager::HandleMirrorMode( | 262 bool ScreenManager::HandleMirrorMode( |
266 HardwareDisplayControllers::iterator original, | 263 HardwareDisplayControllers::iterator original, |
267 HardwareDisplayControllers::iterator mirror, | 264 HardwareDisplayControllers::iterator mirror, |
268 const scoped_refptr<DrmDevice>& drm, | 265 const scoped_refptr<DrmDevice>& drm, |
269 uint32_t crtc, | 266 uint32_t crtc, |
270 uint32_t connector, | 267 uint32_t connector, |
271 const drmModeModeInfo& mode) { | 268 const drmModeModeInfo& mode) { |
272 gfx::Point last_origin = (*original)->origin(); | 269 gfx::Point last_origin = (*original)->origin(); |
273 // There should only be one CRTC in this controller. | 270 // There should only be one CRTC in this controller. |
274 drmModeModeInfo last_mode = (*original)->crtc_controllers()[0]->mode(); | 271 drmModeModeInfo last_mode = (*original)->crtc_controllers()[0]->mode(); |
275 | 272 |
276 // Modeset the CRTC with its mode in the original controller so that only this | 273 // Modeset the CRTC with its mode in the original controller so that only this |
277 // CRTC is affected by the mode. Otherwise it could apply a mode with the same | 274 // CRTC is affected by the mode. Otherwise it could apply a mode with the same |
278 // resolution and refresh rate but with different timings to the other CRTC. | 275 // resolution and refresh rate but with different timings to the other CRTC. |
279 // TODO(dnicoara): This is hacky, instead the DrmDisplay and CrtcController | 276 // TODO(dnicoara): This is hacky, instead the DrmDisplay and CrtcController |
280 // should be merged and picking the mode should be done properly within | 277 // should be merged and picking the mode should be done properly within |
281 // HardwareDisplayController. | 278 // HardwareDisplayController. |
282 if (ModesetController(*original, (*mirror)->origin(), mode)) { | 279 if (ModesetController(original->get(), (*mirror)->origin(), mode)) { |
283 (*mirror)->AddCrtc((*original)->RemoveCrtc(drm, crtc)); | 280 (*mirror)->AddCrtc((*original)->RemoveCrtc(drm, crtc)); |
284 controllers_.erase(original); | 281 controllers_.erase(original); |
285 return true; | 282 return true; |
286 } | 283 } |
287 | 284 |
288 LOG(ERROR) << "Failed to switch to mirror mode"; | 285 LOG(ERROR) << "Failed to switch to mirror mode"; |
289 | 286 |
290 // When things go wrong revert back to the previous configuration since | 287 // When things go wrong revert back to the previous configuration since |
291 // it is expected that the configuration would not have changed if | 288 // it is expected that the configuration would not have changed if |
292 // things fail. | 289 // things fail. |
293 ModesetController(*original, last_origin, last_mode); | 290 ModesetController(original->get(), last_origin, last_mode); |
294 return false; | 291 return false; |
295 } | 292 } |
296 | 293 |
297 void ScreenManager::UpdateControllerToWindowMapping() { | 294 void ScreenManager::UpdateControllerToWindowMapping() { |
298 std::map<DrmWindow*, HardwareDisplayController*> window_to_controller_map; | 295 std::map<DrmWindow*, HardwareDisplayController*> window_to_controller_map; |
299 // First create a unique mapping between a window and a controller. Note, a | 296 // First create a unique mapping between a window and a controller. Note, a |
300 // controller may be associated with at most 1 window. | 297 // controller may be associated with at most 1 window. |
301 for (HardwareDisplayController* controller : controllers_) { | 298 for (const auto& controller : controllers_) { |
302 if (controller->IsDisabled()) | 299 if (controller->IsDisabled()) |
303 continue; | 300 continue; |
304 | 301 |
305 DrmWindow* window = FindWindowAt( | 302 DrmWindow* window = FindWindowAt( |
306 gfx::Rect(controller->origin(), controller->GetModeSize())); | 303 gfx::Rect(controller->origin(), controller->GetModeSize())); |
307 if (!window) | 304 if (!window) |
308 continue; | 305 continue; |
309 | 306 |
310 window_to_controller_map[window] = controller; | 307 window_to_controller_map[window] = controller.get(); |
311 } | 308 } |
312 | 309 |
313 // Apply the new mapping to all windows. | 310 // Apply the new mapping to all windows. |
314 for (auto pair : window_map_) { | 311 for (auto pair : window_map_) { |
315 auto it = window_to_controller_map.find(pair.second); | 312 auto it = window_to_controller_map.find(pair.second); |
316 HardwareDisplayController* controller = nullptr; | 313 HardwareDisplayController* controller = nullptr; |
317 if (it != window_to_controller_map.end()) | 314 if (it != window_to_controller_map.end()) |
318 controller = it->second; | 315 controller = it->second; |
319 | 316 |
320 bool should_enable = | 317 bool should_enable = |
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384 DrmWindow* ScreenManager::FindWindowAt(const gfx::Rect& bounds) const { | 381 DrmWindow* ScreenManager::FindWindowAt(const gfx::Rect& bounds) const { |
385 for (auto pair : window_map_) { | 382 for (auto pair : window_map_) { |
386 if (pair.second->bounds() == bounds) | 383 if (pair.second->bounds() == bounds) |
387 return pair.second; | 384 return pair.second; |
388 } | 385 } |
389 | 386 |
390 return nullptr; | 387 return nullptr; |
391 } | 388 } |
392 | 389 |
393 } // namespace ui | 390 } // namespace ui |
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