2 * Copyright (C) 2016 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
18 #define LOG_TAG "hwc-drm-two"
20 #include "drmdisplaycomposition.h"
21 #include "drmhwcomposer.h"
22 #include "drmhwctwo.h"
24 #include "vsyncworker.h"
29 #include <cutils/log.h>
30 #include <cutils/properties.h>
31 #include <hardware/hardware.h>
32 #include <hardware/hwcomposer2.h>
36 class DrmVsyncCallback : public VsyncCallback {
38 DrmVsyncCallback(hwc2_callback_data_t data, hwc2_function_pointer_t hook)
39 : data_(data), hook_(hook) {
42 void Callback(int display, int64_t timestamp) {
43 auto hook = reinterpret_cast<HWC2_PFN_VSYNC>(hook_);
44 hook(data_, display, timestamp);
48 hwc2_callback_data_t data_;
49 hwc2_function_pointer_t hook_;
52 DrmHwcTwo::DrmHwcTwo() {
53 common.tag = HARDWARE_DEVICE_TAG;
54 common.version = HWC_DEVICE_API_VERSION_2_0;
55 common.close = HookDevClose;
56 getCapabilities = HookDevGetCapabilities;
57 getFunction = HookDevGetFunction;
60 HWC2::Error DrmHwcTwo::Init() {
61 int ret = drm_.Init();
63 ALOGE("Can't initialize drm object %d", ret);
64 return HWC2::Error::NoResources;
67 importer_.reset(Importer::CreateInstance(&drm_));
69 ALOGE("Failed to create importer instance");
70 return HWC2::Error::NoResources;
73 ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
74 (const hw_module_t **)&gralloc_);
76 ALOGE("Failed to open gralloc module %d", ret);
77 return HWC2::Error::NoResources;
80 displays_.emplace(std::piecewise_construct,
81 std::forward_as_tuple(HWC_DISPLAY_PRIMARY),
82 std::forward_as_tuple(&drm_, importer_, gralloc_,
84 HWC2::DisplayType::Physical));
86 DrmCrtc *crtc = drm_.GetCrtcForDisplay(static_cast<int>(HWC_DISPLAY_PRIMARY));
88 ALOGE("Failed to get crtc for display %d",
89 static_cast<int>(HWC_DISPLAY_PRIMARY));
90 return HWC2::Error::BadDisplay;
93 std::vector<DrmPlane *> display_planes;
94 for (auto &plane : drm_.planes()) {
95 if (plane->GetCrtcSupported(*crtc))
96 display_planes.push_back(plane.get());
98 displays_.at(HWC_DISPLAY_PRIMARY).Init(&display_planes);
99 return HWC2::Error::None;
102 template <typename... Args>
103 static inline HWC2::Error unsupported(char const *func, Args... /*args*/) {
104 ALOGV("Unsupported function: %s", func);
105 return HWC2::Error::Unsupported;
108 static inline void supported(char const *func) {
109 ALOGV("Supported function: %s", func);
112 HWC2::Error DrmHwcTwo::CreateVirtualDisplay(uint32_t width, uint32_t height,
114 hwc2_display_t *display) {
115 // TODO: Implement virtual display
116 return unsupported(__func__, width, height, format, display);
119 HWC2::Error DrmHwcTwo::DestroyVirtualDisplay(hwc2_display_t display) {
120 // TODO: Implement virtual display
121 return unsupported(__func__, display);
124 void DrmHwcTwo::Dump(uint32_t *size, char *buffer) {
125 // TODO: Implement dump
126 unsupported(__func__, size, buffer);
129 uint32_t DrmHwcTwo::GetMaxVirtualDisplayCount() {
130 // TODO: Implement virtual display
131 unsupported(__func__);
135 HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor,
136 hwc2_callback_data_t data,
137 hwc2_function_pointer_t function) {
139 auto callback = static_cast<HWC2::Callback>(descriptor);
140 callbacks_.emplace(callback, HwcCallback(data, function));
143 case HWC2::Callback::Hotplug: {
144 auto hotplug = reinterpret_cast<HWC2_PFN_HOTPLUG>(function);
145 hotplug(data, HWC_DISPLAY_PRIMARY,
146 static_cast<int32_t>(HWC2::Connection::Connected));
149 case HWC2::Callback::Vsync: {
150 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d :
152 d.second.RegisterVsyncCallback(data, function);
158 return HWC2::Error::None;
161 DrmHwcTwo::HwcDisplay::HwcDisplay(DrmResources *drm,
162 std::shared_ptr<Importer> importer,
163 const gralloc_module_t *gralloc,
164 hwc2_display_t handle, HWC2::DisplayType type)
173 HWC2::Error DrmHwcTwo::HwcDisplay::Init(std::vector<DrmPlane *> *planes) {
175 planner_ = Planner::CreateInstance(drm_);
177 ALOGE("Failed to create planner instance for composition");
178 return HWC2::Error::NoResources;
181 int display = static_cast<int>(handle_);
182 int ret = compositor_.Init(drm_, display);
184 ALOGE("Failed display compositor init for display %d (%d)", display, ret);
185 return HWC2::Error::NoResources;
188 // Split up the given display planes into primary and overlay to properly
189 // interface with the composition
190 char use_overlay_planes_prop[PROPERTY_VALUE_MAX];
191 property_get("hwc.drm.use_overlay_planes", use_overlay_planes_prop, "1");
192 bool use_overlay_planes = atoi(use_overlay_planes_prop);
193 for (auto &plane : *planes) {
194 if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
195 primary_planes_.push_back(plane);
196 else if (use_overlay_planes && (plane)->type() == DRM_PLANE_TYPE_OVERLAY)
197 overlay_planes_.push_back(plane);
200 crtc_ = drm_->GetCrtcForDisplay(display);
202 ALOGE("Failed to get crtc for display %d", display);
203 return HWC2::Error::BadDisplay;
206 connector_ = drm_->GetConnectorForDisplay(display);
208 ALOGE("Failed to get connector for display %d", display);
209 return HWC2::Error::BadDisplay;
212 // Fetch the number of modes from the display
213 uint32_t num_configs;
214 HWC2::Error err = GetDisplayConfigs(&num_configs, NULL);
215 if (err != HWC2::Error::None || !num_configs)
218 // Grab the first mode, we'll choose this as the active mode
219 // TODO: Should choose the preferred mode here
220 hwc2_config_t default_config;
222 err = GetDisplayConfigs(&num_configs, &default_config);
223 if (err != HWC2::Error::None)
226 ret = vsync_worker_.Init(drm_, display);
228 ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
229 return HWC2::Error::BadDisplay;
232 return SetActiveConfig(default_config);
235 HWC2::Error DrmHwcTwo::HwcDisplay::RegisterVsyncCallback(
236 hwc2_callback_data_t data, hwc2_function_pointer_t func) {
238 auto callback = std::make_shared<DrmVsyncCallback>(data, func);
239 vsync_worker_.RegisterCallback(std::move(callback));
240 return HWC2::Error::None;
243 HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() {
245 uint32_t num_changes = 0;
246 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_)
247 l.second.accept_type_change();
248 return HWC2::Error::None;
251 HWC2::Error DrmHwcTwo::HwcDisplay::CreateLayer(hwc2_layer_t *layer) {
253 layers_.emplace(static_cast<hwc2_layer_t>(layer_idx_), HwcLayer());
254 *layer = static_cast<hwc2_layer_t>(layer_idx_);
256 return HWC2::Error::None;
259 HWC2::Error DrmHwcTwo::HwcDisplay::DestroyLayer(hwc2_layer_t layer) {
261 layers_.erase(layer);
262 return HWC2::Error::None;
265 HWC2::Error DrmHwcTwo::HwcDisplay::GetActiveConfig(hwc2_config_t *config) {
267 DrmMode const &mode = connector_->active_mode();
269 return HWC2::Error::BadConfig;
272 return HWC2::Error::None;
275 HWC2::Error DrmHwcTwo::HwcDisplay::GetChangedCompositionTypes(
276 uint32_t *num_elements, hwc2_layer_t *layers, int32_t *types) {
278 uint32_t num_changes = 0;
279 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
280 if (l.second.type_changed()) {
281 if (layers && num_changes < *num_elements)
282 layers[num_changes] = l.first;
283 if (types && num_changes < *num_elements)
284 types[num_changes] = static_cast<int32_t>(l.second.validated_type());
288 if (!layers && !types)
289 *num_elements = num_changes;
290 return HWC2::Error::None;
293 HWC2::Error DrmHwcTwo::HwcDisplay::GetClientTargetSupport(uint32_t width,
298 std::pair<uint32_t, uint32_t> min = drm_->min_resolution();
299 std::pair<uint32_t, uint32_t> max = drm_->max_resolution();
301 if (width < min.first || height < min.second)
302 return HWC2::Error::Unsupported;
304 if (width > max.first || height > max.second)
305 return HWC2::Error::Unsupported;
307 if (dataspace != HAL_DATASPACE_UNKNOWN &&
308 dataspace != HAL_DATASPACE_STANDARD_UNSPECIFIED)
309 return HWC2::Error::Unsupported;
311 // TODO: Validate format can be handled by either GL or planes
312 return HWC2::Error::None;
315 HWC2::Error DrmHwcTwo::HwcDisplay::GetColorModes(uint32_t *num_modes,
318 // TODO: android_color_mode_t isn't defined yet!
319 return unsupported(__func__, num_modes, modes);
322 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayAttribute(hwc2_config_t config,
323 int32_t attribute_in,
327 std::find_if(connector_->modes().begin(), connector_->modes().end(),
328 [config](DrmMode const &m) { return m.id() == config; });
329 if (mode == connector_->modes().end()) {
330 ALOGE("Could not find active mode for %d", config);
331 return HWC2::Error::BadConfig;
334 static const int32_t kUmPerInch = 25400;
335 uint32_t mm_width = connector_->mm_width();
336 uint32_t mm_height = connector_->mm_height();
337 auto attribute = static_cast<HWC2::Attribute>(attribute_in);
339 case HWC2::Attribute::Width:
340 *value = mode->h_display();
342 case HWC2::Attribute::Height:
343 *value = mode->v_display();
345 case HWC2::Attribute::VsyncPeriod:
347 *value = 1000 * 1000 * 1000 / mode->v_refresh();
349 case HWC2::Attribute::DpiX:
350 // Dots per 1000 inches
351 *value = mm_width ? (mode->h_display() * kUmPerInch) / mm_width : -1;
353 case HWC2::Attribute::DpiY:
354 // Dots per 1000 inches
355 *value = mm_height ? (mode->v_display() * kUmPerInch) / mm_height : -1;
359 return HWC2::Error::BadConfig;
361 return HWC2::Error::None;
364 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConfigs(uint32_t *num_configs,
365 hwc2_config_t *configs) {
367 // Since this callback is normally invoked twice (once to get the count, and
368 // once to populate configs), we don't really want to read the edid
369 // redundantly. Instead, only update the modes on the first invocation. While
370 // it's possible this will result in stale modes, it'll all come out in the
371 // wash when we try to set the active config later.
373 int ret = connector_->UpdateModes();
375 ALOGE("Failed to update display modes %d", ret);
376 return HWC2::Error::BadDisplay;
380 auto num_modes = static_cast<uint32_t>(connector_->modes().size());
382 *num_configs = num_modes;
383 return HWC2::Error::None;
387 for (const DrmMode &mode : connector_->modes()) {
388 if (idx >= *num_configs)
390 configs[idx++] = mode.id();
393 return HWC2::Error::None;
396 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayName(uint32_t *size, char *name) {
398 std::ostringstream stream;
399 stream << "display-" << connector_->id();
400 std::string string = stream.str();
401 size_t length = string.length();
404 return HWC2::Error::None;
407 *size = std::min<uint32_t>(static_cast<uint32_t>(length - 1), *size);
408 strncpy(name, string.c_str(), *size);
409 return HWC2::Error::None;
412 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayRequests(int32_t *display_requests,
413 uint32_t *num_elements,
414 hwc2_layer_t *layers,
415 int32_t *layer_requests) {
417 // TODO: I think virtual display should request
418 // HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here
419 unsupported(__func__, display_requests, num_elements, layers, layer_requests);
421 return HWC2::Error::None;
424 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayType(int32_t *type) {
426 *type = static_cast<int32_t>(type_);
427 return HWC2::Error::None;
430 HWC2::Error DrmHwcTwo::HwcDisplay::GetDozeSupport(int32_t *support) {
433 return HWC2::Error::None;
436 HWC2::Error DrmHwcTwo::HwcDisplay::GetHdrCapabilities(
437 uint32_t *num_types, int32_t */*types*/, float */*max_luminance*/,
438 float */*max_average_luminance*/, float */*min_luminance*/) {
441 return HWC2::Error::None;
444 HWC2::Error DrmHwcTwo::HwcDisplay::GetReleaseFences(uint32_t *num_elements,
445 hwc2_layer_t *layers,
448 uint32_t num_layers = 0;
450 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
452 if (layers == NULL || fences == NULL) {
454 } else if (num_layers > *num_elements) {
455 ALOGW("Overflow num_elements %d/%d", num_layers, *num_elements);
456 return HWC2::Error::None;
459 layers[num_layers - 1] = l.first;
460 fences[num_layers - 1] = l.second.take_release_fence();
462 *num_elements = num_layers;
463 return HWC2::Error::None;
466 void DrmHwcTwo::HwcDisplay::AddFenceToRetireFence(int fd) {
471 if (next_retire_fence_.get() >= 0) {
472 int old_fence = next_retire_fence_.get();
473 next_retire_fence_.Set(sync_merge("dc_retire", old_fence, fd));
475 next_retire_fence_.Set(dup(fd));
479 HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *retire_fence) {
481 std::vector<DrmCompositionDisplayLayersMap> layers_map;
482 layers_map.emplace_back();
483 DrmCompositionDisplayLayersMap &map = layers_map.back();
485 map.display = static_cast<int>(handle_);
486 map.geometry_changed = true; // TODO: Fix this
488 // order the layers by z-order
489 bool use_client_layer = false;
490 uint32_t client_z_order = 0;
491 std::map<uint32_t, DrmHwcTwo::HwcLayer *> z_map;
492 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
493 switch (l.second.validated_type()) {
494 case HWC2::Composition::Device:
495 z_map.emplace(std::make_pair(l.second.z_order(), &l.second));
497 case HWC2::Composition::Client:
498 // Place it at the z_order of the highest client layer
499 use_client_layer = true;
500 client_z_order = std::max(client_z_order, l.second.z_order());
506 if (use_client_layer)
507 z_map.emplace(std::make_pair(client_z_order, &client_layer_));
509 // now that they're ordered by z, add them to the composition
510 for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
512 l.second->PopulateDrmLayer(&layer);
513 int ret = layer.ImportBuffer(importer_.get(), gralloc_);
515 ALOGE("Failed to import layer, ret=%d", ret);
516 return HWC2::Error::NoResources;
518 map.layers.emplace_back(std::move(layer));
520 if (map.layers.empty()) {
522 return HWC2::Error::None;
525 std::unique_ptr<DrmDisplayComposition> composition =
526 compositor_.CreateComposition();
527 composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
529 // TODO: Don't always assume geometry changed
530 int ret = composition->SetLayers(map.layers.data(), map.layers.size(), true);
532 ALOGE("Failed to set layers in the composition ret=%d", ret);
533 return HWC2::Error::BadLayer;
536 std::vector<DrmPlane *> primary_planes(primary_planes_);
537 std::vector<DrmPlane *> overlay_planes(overlay_planes_);
538 ret = composition->Plan(compositor_.squash_state(), &primary_planes,
541 ALOGE("Failed to plan the composition ret=%d", ret);
542 return HWC2::Error::BadConfig;
545 // Disable the planes we're not using
546 for (auto i = primary_planes.begin(); i != primary_planes.end();) {
547 composition->AddPlaneDisable(*i);
548 i = primary_planes.erase(i);
550 for (auto i = overlay_planes.begin(); i != overlay_planes.end();) {
551 composition->AddPlaneDisable(*i);
552 i = overlay_planes.erase(i);
555 ret = compositor_.QueueComposition(std::move(composition));
557 ALOGE("Failed to apply the frame composition ret=%d", ret);
558 return HWC2::Error::BadParameter;
561 // Now that the release fences have been generated by the compositor, make
562 // sure they're managed properly
563 for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
564 l.second->manage_release_fence();
565 AddFenceToRetireFence(l.second->release_fence());
568 // The retire fence returned here is for the last frame, so return it and
569 // promote the next retire fence
570 *retire_fence = retire_fence_.Release();
571 retire_fence_ = std::move(next_retire_fence_);
574 return HWC2::Error::None;
577 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) {
580 std::find_if(connector_->modes().begin(), connector_->modes().end(),
581 [config](DrmMode const &m) { return m.id() == config; });
582 if (mode == connector_->modes().end()) {
583 ALOGE("Could not find active mode for %d", config);
584 return HWC2::Error::BadConfig;
587 std::unique_ptr<DrmDisplayComposition> composition =
588 compositor_.CreateComposition();
589 composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
590 int ret = composition->SetDisplayMode(*mode);
591 ret = compositor_.QueueComposition(std::move(composition));
593 ALOGE("Failed to queue dpms composition on %d", ret);
594 return HWC2::Error::BadConfig;
596 if (connector_->active_mode().id() == 0)
597 connector_->set_active_mode(*mode);
599 // Setup the client layer's dimensions
600 hwc_rect_t display_frame = {.left = 0,
602 .right = static_cast<int>(mode->h_display()),
603 .bottom = static_cast<int>(mode->v_display())};
604 client_layer_.SetLayerDisplayFrame(display_frame);
605 hwc_frect_t source_crop = {.left = 0.0f,
607 .right = mode->h_display() + 0.0f,
608 .bottom = mode->v_display() + 0.0f};
609 client_layer_.SetLayerSourceCrop(source_crop);
611 return HWC2::Error::None;
614 HWC2::Error DrmHwcTwo::HwcDisplay::SetClientTarget(buffer_handle_t target,
615 int32_t acquire_fence,
617 hwc_region_t damage) {
619 UniqueFd uf(acquire_fence);
621 client_layer_.set_buffer(target);
622 client_layer_.set_acquire_fence(uf.get());
623 client_layer_.SetLayerDataspace(dataspace);
624 return HWC2::Error::None;
627 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorMode(int32_t mode) {
629 // TODO: android_color_mode_t isn't defined yet!
630 return unsupported(__func__, mode);
633 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix,
636 // TODO: Force client composition if we get this
637 return unsupported(__func__, matrix, hint);
640 HWC2::Error DrmHwcTwo::HwcDisplay::SetOutputBuffer(buffer_handle_t buffer,
641 int32_t release_fence) {
643 // TODO: Need virtual display support
644 return unsupported(__func__, buffer, release_fence);
647 HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) {
649 uint64_t dpms_value = 0;
650 auto mode = static_cast<HWC2::PowerMode>(mode_in);
652 case HWC2::PowerMode::Off:
653 dpms_value = DRM_MODE_DPMS_OFF;
655 case HWC2::PowerMode::On:
656 dpms_value = DRM_MODE_DPMS_ON;
659 ALOGI("Power mode %d is unsupported\n", mode);
660 return HWC2::Error::Unsupported;
663 std::unique_ptr<DrmDisplayComposition> composition =
664 compositor_.CreateComposition();
665 composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
666 composition->SetDpmsMode(dpms_value);
667 int ret = compositor_.QueueComposition(std::move(composition));
669 ALOGE("Failed to apply the dpms composition ret=%d", ret);
670 return HWC2::Error::BadParameter;
672 return HWC2::Error::None;
675 HWC2::Error DrmHwcTwo::HwcDisplay::SetVsyncEnabled(int32_t enabled) {
677 vsync_worker_.VSyncControl(enabled);
678 return HWC2::Error::None;
681 HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types,
682 uint32_t *num_requests) {
686 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
687 DrmHwcTwo::HwcLayer &layer = l.second;
688 switch (layer.sf_type()) {
689 case HWC2::Composition::SolidColor:
690 case HWC2::Composition::Cursor:
691 case HWC2::Composition::Sideband:
692 layer.set_validated_type(HWC2::Composition::Client);
696 layer.set_validated_type(layer.sf_type());
700 return HWC2::Error::None;
703 HWC2::Error DrmHwcTwo::HwcLayer::SetCursorPosition(int32_t x, int32_t y) {
705 // TODO: Implement proper cursor support
706 return unsupported(__func__, x, y);
709 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBlendMode(int32_t mode) {
711 blending_ = static_cast<HWC2::BlendMode>(mode);
712 return HWC2::Error::None;
715 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBuffer(buffer_handle_t buffer,
716 int32_t acquire_fence) {
718 UniqueFd uf(acquire_fence);
720 // The buffer and acquire_fence are handled elsewhere
721 if (sf_type_ == HWC2::Composition::Client ||
722 sf_type_ == HWC2::Composition::Sideband ||
723 sf_type_ == HWC2::Composition::SolidColor)
724 return HWC2::Error::None;
727 set_acquire_fence(uf.get());
728 return HWC2::Error::None;
731 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t color) {
732 // TODO: Punt to client composition here?
733 return unsupported(__func__, color);
736 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerCompositionType(int32_t type) {
737 sf_type_ = static_cast<HWC2::Composition>(type);
738 return HWC2::Error::None;
741 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDataspace(int32_t dataspace) {
743 dataspace_ = static_cast<android_dataspace_t>(dataspace);
744 return HWC2::Error::None;
747 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDisplayFrame(hwc_rect_t frame) {
749 display_frame_ = frame;
750 return HWC2::Error::None;
753 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerPlaneAlpha(float alpha) {
756 return HWC2::Error::None;
759 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSidebandStream(
760 const native_handle_t *stream) {
762 // TODO: We don't support sideband
763 return unsupported(__func__, stream);
766 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSourceCrop(hwc_frect_t crop) {
769 return HWC2::Error::None;
772 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSurfaceDamage(hwc_region_t damage) {
774 // TODO: We don't use surface damage, marking as unsupported
775 unsupported(__func__, damage);
776 return HWC2::Error::None;
779 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerTransform(int32_t transform) {
781 transform_ = static_cast<HWC2::Transform>(transform);
782 return HWC2::Error::None;
785 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerVisibleRegion(hwc_region_t visible) {
787 // TODO: We don't use this information, marking as unsupported
788 unsupported(__func__, visible);
789 return HWC2::Error::None;
792 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerZOrder(uint32_t order) {
795 return HWC2::Error::None;
798 void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) {
801 case HWC2::BlendMode::None:
802 layer->blending = DrmHwcBlending::kNone;
804 case HWC2::BlendMode::Premultiplied:
805 layer->blending = DrmHwcBlending::kPreMult;
807 case HWC2::BlendMode::Coverage:
808 layer->blending = DrmHwcBlending::kCoverage;
811 ALOGE("Unknown blending mode b=%d", blending_);
812 layer->blending = DrmHwcBlending::kNone;
816 OutputFd release_fence = release_fence_output();
818 layer->sf_handle = buffer_;
819 layer->acquire_fence = acquire_fence_.Release();
820 layer->release_fence = std::move(release_fence);
821 layer->SetDisplayFrame(display_frame_);
822 layer->alpha = static_cast<uint8_t>(255.0f * alpha_ + 0.5f);
823 layer->SetSourceCrop(source_crop_);
824 layer->SetTransform(static_cast<int32_t>(transform_));
828 int DrmHwcTwo::HookDevClose(hw_device_t * /*dev*/) {
829 unsupported(__func__);
834 void DrmHwcTwo::HookDevGetCapabilities(hwc2_device_t * /*dev*/,
836 int32_t * /*out_capabilities*/) {
842 hwc2_function_pointer_t DrmHwcTwo::HookDevGetFunction(
843 struct hwc2_device * /*dev*/, int32_t descriptor) {
845 auto func = static_cast<HWC2::FunctionDescriptor>(descriptor);
848 case HWC2::FunctionDescriptor::CreateVirtualDisplay:
849 return ToHook<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>(
850 DeviceHook<int32_t, decltype(&DrmHwcTwo::CreateVirtualDisplay),
851 &DrmHwcTwo::CreateVirtualDisplay, uint32_t, uint32_t,
852 int32_t*, hwc2_display_t *>);
853 case HWC2::FunctionDescriptor::DestroyVirtualDisplay:
854 return ToHook<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>(
855 DeviceHook<int32_t, decltype(&DrmHwcTwo::DestroyVirtualDisplay),
856 &DrmHwcTwo::DestroyVirtualDisplay, hwc2_display_t>);
857 case HWC2::FunctionDescriptor::Dump:
858 return ToHook<HWC2_PFN_DUMP>(
859 DeviceHook<void, decltype(&DrmHwcTwo::Dump), &DrmHwcTwo::Dump,
860 uint32_t *, char *>);
861 case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount:
862 return ToHook<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>(
863 DeviceHook<uint32_t, decltype(&DrmHwcTwo::GetMaxVirtualDisplayCount),
864 &DrmHwcTwo::GetMaxVirtualDisplayCount>);
865 case HWC2::FunctionDescriptor::RegisterCallback:
866 return ToHook<HWC2_PFN_REGISTER_CALLBACK>(
867 DeviceHook<int32_t, decltype(&DrmHwcTwo::RegisterCallback),
868 &DrmHwcTwo::RegisterCallback, int32_t,
869 hwc2_callback_data_t, hwc2_function_pointer_t>);
872 case HWC2::FunctionDescriptor::AcceptDisplayChanges:
873 return ToHook<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>(
874 DisplayHook<decltype(&HwcDisplay::AcceptDisplayChanges),
875 &HwcDisplay::AcceptDisplayChanges>);
876 case HWC2::FunctionDescriptor::CreateLayer:
877 return ToHook<HWC2_PFN_CREATE_LAYER>(
878 DisplayHook<decltype(&HwcDisplay::CreateLayer),
879 &HwcDisplay::CreateLayer, hwc2_layer_t *>);
880 case HWC2::FunctionDescriptor::DestroyLayer:
881 return ToHook<HWC2_PFN_DESTROY_LAYER>(
882 DisplayHook<decltype(&HwcDisplay::DestroyLayer),
883 &HwcDisplay::DestroyLayer, hwc2_layer_t>);
884 case HWC2::FunctionDescriptor::GetActiveConfig:
885 return ToHook<HWC2_PFN_GET_ACTIVE_CONFIG>(
886 DisplayHook<decltype(&HwcDisplay::GetActiveConfig),
887 &HwcDisplay::GetActiveConfig, hwc2_config_t *>);
888 case HWC2::FunctionDescriptor::GetChangedCompositionTypes:
889 return ToHook<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>(
890 DisplayHook<decltype(&HwcDisplay::GetChangedCompositionTypes),
891 &HwcDisplay::GetChangedCompositionTypes, uint32_t *,
892 hwc2_layer_t *, int32_t *>);
893 case HWC2::FunctionDescriptor::GetClientTargetSupport:
894 return ToHook<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(
895 DisplayHook<decltype(&HwcDisplay::GetClientTargetSupport),
896 &HwcDisplay::GetClientTargetSupport, uint32_t, uint32_t,
898 case HWC2::FunctionDescriptor::GetColorModes:
899 return ToHook<HWC2_PFN_GET_COLOR_MODES>(
900 DisplayHook<decltype(&HwcDisplay::GetColorModes),
901 &HwcDisplay::GetColorModes, uint32_t *, int32_t *>);
902 case HWC2::FunctionDescriptor::GetDisplayAttribute:
903 return ToHook<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(DisplayHook<
904 decltype(&HwcDisplay::GetDisplayAttribute),
905 &HwcDisplay::GetDisplayAttribute, hwc2_config_t, int32_t, int32_t *>);
906 case HWC2::FunctionDescriptor::GetDisplayConfigs:
907 return ToHook<HWC2_PFN_GET_DISPLAY_CONFIGS>(DisplayHook<
908 decltype(&HwcDisplay::GetDisplayConfigs),
909 &HwcDisplay::GetDisplayConfigs, uint32_t *, hwc2_config_t *>);
910 case HWC2::FunctionDescriptor::GetDisplayName:
911 return ToHook<HWC2_PFN_GET_DISPLAY_NAME>(
912 DisplayHook<decltype(&HwcDisplay::GetDisplayName),
913 &HwcDisplay::GetDisplayName, uint32_t *, char *>);
914 case HWC2::FunctionDescriptor::GetDisplayRequests:
915 return ToHook<HWC2_PFN_GET_DISPLAY_REQUESTS>(
916 DisplayHook<decltype(&HwcDisplay::GetDisplayRequests),
917 &HwcDisplay::GetDisplayRequests, int32_t *, uint32_t *,
918 hwc2_layer_t *, int32_t *>);
919 case HWC2::FunctionDescriptor::GetDisplayType:
920 return ToHook<HWC2_PFN_GET_DISPLAY_TYPE>(
921 DisplayHook<decltype(&HwcDisplay::GetDisplayType),
922 &HwcDisplay::GetDisplayType, int32_t *>);
923 case HWC2::FunctionDescriptor::GetDozeSupport:
924 return ToHook<HWC2_PFN_GET_DOZE_SUPPORT>(
925 DisplayHook<decltype(&HwcDisplay::GetDozeSupport),
926 &HwcDisplay::GetDozeSupport, int32_t *>);
927 case HWC2::FunctionDescriptor::GetHdrCapabilities:
928 return ToHook<HWC2_PFN_GET_HDR_CAPABILITIES>(
929 DisplayHook<decltype(&HwcDisplay::GetHdrCapabilities),
930 &HwcDisplay::GetHdrCapabilities, uint32_t *, int32_t *,
931 float *, float *, float *>);
932 case HWC2::FunctionDescriptor::GetReleaseFences:
933 return ToHook<HWC2_PFN_GET_RELEASE_FENCES>(
934 DisplayHook<decltype(&HwcDisplay::GetReleaseFences),
935 &HwcDisplay::GetReleaseFences, uint32_t *, hwc2_layer_t *,
937 case HWC2::FunctionDescriptor::PresentDisplay:
938 return ToHook<HWC2_PFN_PRESENT_DISPLAY>(
939 DisplayHook<decltype(&HwcDisplay::PresentDisplay),
940 &HwcDisplay::PresentDisplay, int32_t *>);
941 case HWC2::FunctionDescriptor::SetActiveConfig:
942 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG>(
943 DisplayHook<decltype(&HwcDisplay::SetActiveConfig),
944 &HwcDisplay::SetActiveConfig, hwc2_config_t>);
945 case HWC2::FunctionDescriptor::SetClientTarget:
946 return ToHook<HWC2_PFN_SET_CLIENT_TARGET>(DisplayHook<
947 decltype(&HwcDisplay::SetClientTarget), &HwcDisplay::SetClientTarget,
948 buffer_handle_t, int32_t, int32_t, hwc_region_t>);
949 case HWC2::FunctionDescriptor::SetColorMode:
950 return ToHook<HWC2_PFN_SET_COLOR_MODE>(
951 DisplayHook<decltype(&HwcDisplay::SetColorMode),
952 &HwcDisplay::SetColorMode, int32_t>);
953 case HWC2::FunctionDescriptor::SetColorTransform:
954 return ToHook<HWC2_PFN_SET_COLOR_TRANSFORM>(
955 DisplayHook<decltype(&HwcDisplay::SetColorTransform),
956 &HwcDisplay::SetColorTransform, const float *, int32_t>);
957 case HWC2::FunctionDescriptor::SetOutputBuffer:
958 return ToHook<HWC2_PFN_SET_OUTPUT_BUFFER>(
959 DisplayHook<decltype(&HwcDisplay::SetOutputBuffer),
960 &HwcDisplay::SetOutputBuffer, buffer_handle_t, int32_t>);
961 case HWC2::FunctionDescriptor::SetPowerMode:
962 return ToHook<HWC2_PFN_SET_POWER_MODE>(
963 DisplayHook<decltype(&HwcDisplay::SetPowerMode),
964 &HwcDisplay::SetPowerMode, int32_t>);
965 case HWC2::FunctionDescriptor::SetVsyncEnabled:
966 return ToHook<HWC2_PFN_SET_VSYNC_ENABLED>(
967 DisplayHook<decltype(&HwcDisplay::SetVsyncEnabled),
968 &HwcDisplay::SetVsyncEnabled, int32_t>);
969 case HWC2::FunctionDescriptor::ValidateDisplay:
970 return ToHook<HWC2_PFN_VALIDATE_DISPLAY>(
971 DisplayHook<decltype(&HwcDisplay::ValidateDisplay),
972 &HwcDisplay::ValidateDisplay, uint32_t *, uint32_t *>);
975 case HWC2::FunctionDescriptor::SetCursorPosition:
976 return ToHook<HWC2_PFN_SET_CURSOR_POSITION>(
977 LayerHook<decltype(&HwcLayer::SetCursorPosition),
978 &HwcLayer::SetCursorPosition, int32_t, int32_t>);
979 case HWC2::FunctionDescriptor::SetLayerBlendMode:
980 return ToHook<HWC2_PFN_SET_LAYER_BLEND_MODE>(
981 LayerHook<decltype(&HwcLayer::SetLayerBlendMode),
982 &HwcLayer::SetLayerBlendMode, int32_t>);
983 case HWC2::FunctionDescriptor::SetLayerBuffer:
984 return ToHook<HWC2_PFN_SET_LAYER_BUFFER>(
985 LayerHook<decltype(&HwcLayer::SetLayerBuffer),
986 &HwcLayer::SetLayerBuffer, buffer_handle_t, int32_t>);
987 case HWC2::FunctionDescriptor::SetLayerColor:
988 return ToHook<HWC2_PFN_SET_LAYER_COLOR>(
989 LayerHook<decltype(&HwcLayer::SetLayerColor),
990 &HwcLayer::SetLayerColor, hwc_color_t>);
991 case HWC2::FunctionDescriptor::SetLayerCompositionType:
992 return ToHook<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>(
993 LayerHook<decltype(&HwcLayer::SetLayerCompositionType),
994 &HwcLayer::SetLayerCompositionType, int32_t>);
995 case HWC2::FunctionDescriptor::SetLayerDataspace:
996 return ToHook<HWC2_PFN_SET_LAYER_DATASPACE>(
997 LayerHook<decltype(&HwcLayer::SetLayerDataspace),
998 &HwcLayer::SetLayerDataspace, int32_t>);
999 case HWC2::FunctionDescriptor::SetLayerDisplayFrame:
1000 return ToHook<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>(
1001 LayerHook<decltype(&HwcLayer::SetLayerDisplayFrame),
1002 &HwcLayer::SetLayerDisplayFrame, hwc_rect_t>);
1003 case HWC2::FunctionDescriptor::SetLayerPlaneAlpha:
1004 return ToHook<HWC2_PFN_SET_LAYER_PLANE_ALPHA>(
1005 LayerHook<decltype(&HwcLayer::SetLayerPlaneAlpha),
1006 &HwcLayer::SetLayerPlaneAlpha, float>);
1007 case HWC2::FunctionDescriptor::SetLayerSidebandStream:
1008 return ToHook<HWC2_PFN_SET_LAYER_SIDEBAND_STREAM>(LayerHook<
1009 decltype(&HwcLayer::SetLayerSidebandStream),
1010 &HwcLayer::SetLayerSidebandStream, const native_handle_t *>);
1011 case HWC2::FunctionDescriptor::SetLayerSourceCrop:
1012 return ToHook<HWC2_PFN_SET_LAYER_SOURCE_CROP>(
1013 LayerHook<decltype(&HwcLayer::SetLayerSourceCrop),
1014 &HwcLayer::SetLayerSourceCrop, hwc_frect_t>);
1015 case HWC2::FunctionDescriptor::SetLayerSurfaceDamage:
1016 return ToHook<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>(
1017 LayerHook<decltype(&HwcLayer::SetLayerSurfaceDamage),
1018 &HwcLayer::SetLayerSurfaceDamage, hwc_region_t>);
1019 case HWC2::FunctionDescriptor::SetLayerTransform:
1020 return ToHook<HWC2_PFN_SET_LAYER_TRANSFORM>(
1021 LayerHook<decltype(&HwcLayer::SetLayerTransform),
1022 &HwcLayer::SetLayerTransform, int32_t>);
1023 case HWC2::FunctionDescriptor::SetLayerVisibleRegion:
1024 return ToHook<HWC2_PFN_SET_LAYER_VISIBLE_REGION>(
1025 LayerHook<decltype(&HwcLayer::SetLayerVisibleRegion),
1026 &HwcLayer::SetLayerVisibleRegion, hwc_region_t>);
1027 case HWC2::FunctionDescriptor::SetLayerZOrder:
1028 return ToHook<HWC2_PFN_SET_LAYER_Z_ORDER>(
1029 LayerHook<decltype(&HwcLayer::SetLayerZOrder),
1030 &HwcLayer::SetLayerZOrder, uint32_t>);
1031 case HWC2::FunctionDescriptor::Invalid:
1038 int DrmHwcTwo::HookDevOpen(const struct hw_module_t *module, const char *name,
1039 struct hw_device_t **dev) {
1040 supported(__func__);
1041 if (strcmp(name, HWC_HARDWARE_COMPOSER)) {
1042 ALOGE("Invalid module name- %s", name);
1046 std::unique_ptr<DrmHwcTwo> ctx(new DrmHwcTwo());
1048 ALOGE("Failed to allocate DrmHwcTwo");
1052 HWC2::Error err = ctx->Init();
1053 if (err != HWC2::Error::None) {
1054 ALOGE("Failed to initialize DrmHwcTwo err=%d\n", err);
1058 ctx->common.module = const_cast<hw_module_t *>(module);
1059 *dev = &ctx->common;
1065 static struct hw_module_methods_t hwc2_module_methods = {
1066 .open = android::DrmHwcTwo::HookDevOpen,
1069 hw_module_t HAL_MODULE_INFO_SYM = {
1070 .tag = HARDWARE_MODULE_TAG,
1071 .module_api_version = HARDWARE_MODULE_API_VERSION(2, 0),
1072 .id = HWC_HARDWARE_MODULE_ID,
1073 .name = "DrmHwcTwo module",
1074 .author = "The Android Open Source Project",
1075 .methods = &hwc2_module_methods,