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 "DrmHwcTwo.h"
22 #include <hardware/hardware.h>
23 #include <hardware/hwcomposer2.h>
24 #include <sync/sync.h>
31 #include "backend/BackendManager.h"
32 #include "bufferinfo/BufferInfoGetter.h"
33 #include "compositor/DrmDisplayComposition.h"
34 #include "utils/log.h"
35 #include "utils/properties.h"
39 DrmHwcTwo::DrmHwcTwo() : hwc2_device() {
40 common.tag = HARDWARE_DEVICE_TAG;
41 common.version = HWC_DEVICE_API_VERSION_2_0;
42 common.close = HookDevClose;
43 getCapabilities = HookDevGetCapabilities;
44 getFunction = HookDevGetFunction;
47 HWC2::Error DrmHwcTwo::CreateDisplay(hwc2_display_t displ,
48 HWC2::DisplayType type) {
49 DrmDevice *drm = resource_manager_.GetDrmDevice(displ);
50 std::shared_ptr<Importer> importer = resource_manager_.GetImporter(displ);
51 if (!drm || !importer) {
52 ALOGE("Failed to get a valid drmresource and importer");
53 return HWC2::Error::NoResources;
55 displays_.emplace(std::piecewise_construct, std::forward_as_tuple(displ),
56 std::forward_as_tuple(&resource_manager_, drm, importer,
59 DrmCrtc *crtc = drm->GetCrtcForDisplay(static_cast<int>(displ));
61 ALOGE("Failed to get crtc for display %d", static_cast<int>(displ));
62 return HWC2::Error::BadDisplay;
64 auto display_planes = std::vector<DrmPlane *>();
65 for (const auto &plane : drm->planes()) {
66 if (plane->GetCrtcSupported(*crtc))
67 display_planes.push_back(plane.get());
69 displays_.at(displ).Init(&display_planes);
70 return HWC2::Error::None;
73 HWC2::Error DrmHwcTwo::Init() {
74 int rv = resource_manager_.Init();
76 ALOGE("Can't initialize the resource manager %d", rv);
77 return HWC2::Error::NoResources;
80 HWC2::Error ret = HWC2::Error::None;
81 for (int i = 0; i < resource_manager_.getDisplayCount(); i++) {
82 ret = CreateDisplay(i, HWC2::DisplayType::Physical);
83 if (ret != HWC2::Error::None) {
84 ALOGE("Failed to create display %d with error %d", i, ret);
89 const auto &drm_devices = resource_manager_.getDrmDevices();
90 for (const auto &device : drm_devices) {
91 // NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
92 device->RegisterHotplugHandler(new DrmHotplugHandler(this, device.get()));
97 template <typename... Args>
98 static inline HWC2::Error unsupported(char const *func, Args... /*args*/) {
99 ALOGV("Unsupported function: %s", func);
100 return HWC2::Error::Unsupported;
103 static inline void supported(char const *func) {
104 ALOGV("Supported function: %s", func);
107 HWC2::Error DrmHwcTwo::CreateVirtualDisplay(uint32_t width, uint32_t height,
109 hwc2_display_t *display) {
110 // TODO(nobody): Implement virtual display
111 return unsupported(__func__, width, height, format, display);
114 HWC2::Error DrmHwcTwo::DestroyVirtualDisplay(hwc2_display_t display) {
115 // TODO(nobody): Implement virtual display
116 return unsupported(__func__, display);
119 std::string DrmHwcTwo::HwcDisplay::DumpDelta(
120 DrmHwcTwo::HwcDisplay::Stats delta) {
121 if (delta.total_pixops_ == 0)
122 return "No stats yet";
123 double ratio = 1.0 - double(delta.gpu_pixops_) / double(delta.total_pixops_);
125 std::stringstream ss;
126 ss << " Total frames count: " << delta.total_frames_ << "\n"
127 << " Failed to test commit frames: " << delta.failed_kms_validate_ << "\n"
128 << " Failed to commit frames: " << delta.failed_kms_present_ << "\n"
129 << ((delta.failed_kms_present_ > 0)
130 ? " !!! Internal failure, FIX it please\n"
132 << " Flattened frames: " << delta.frames_flattened_ << "\n"
133 << " Pixel operations (free units)"
134 << " : [TOTAL: " << delta.total_pixops_ << " / GPU: " << delta.gpu_pixops_
136 << " Composition efficiency: " << ratio;
141 std::string DrmHwcTwo::HwcDisplay::Dump() {
142 std::stringstream ss;
143 ss << "- Display on: " << connector_->name() << "\n"
144 << " Flattening state: " << compositor_.GetFlatteningState() << "\n"
145 << "Statistics since system boot:\n"
146 << DumpDelta(total_stats_) << "\n\n"
147 << "Statistics since last dumpsys request:\n"
148 << DumpDelta(total_stats_.minus(prev_stats_)) << "\n\n";
150 memcpy(&prev_stats_, &total_stats_, sizeof(Stats));
154 void DrmHwcTwo::Dump(uint32_t *outSize, char *outBuffer) {
157 if (outBuffer != nullptr) {
158 auto copied_bytes = mDumpString.copy(outBuffer, *outSize);
159 *outSize = static_cast<uint32_t>(copied_bytes);
163 std::stringstream output;
165 output << "-- drm_hwcomposer --\n\n";
167 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &dp : displays_)
168 output << dp.second.Dump();
170 mDumpString = output.str();
171 *outSize = static_cast<uint32_t>(mDumpString.size());
174 uint32_t DrmHwcTwo::GetMaxVirtualDisplayCount() {
175 // TODO(nobody): Implement virtual display
176 unsupported(__func__);
180 HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor,
181 hwc2_callback_data_t data,
182 hwc2_function_pointer_t function) {
185 switch (static_cast<HWC2::Callback>(descriptor)) {
186 case HWC2::Callback::Hotplug: {
187 SetHotplugCallback(data, function);
188 const auto &drm_devices = resource_manager_.getDrmDevices();
189 for (const auto &device : drm_devices)
190 HandleInitialHotplugState(device.get());
193 case HWC2::Callback::Refresh: {
194 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d :
196 d.second.RegisterRefreshCallback(data, function);
199 case HWC2::Callback::Vsync: {
200 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d :
202 d.second.RegisterVsyncCallback(data, function);
208 return HWC2::Error::None;
211 DrmHwcTwo::HwcDisplay::HwcDisplay(ResourceManager *resource_manager,
213 std::shared_ptr<Importer> importer,
214 hwc2_display_t handle, HWC2::DisplayType type)
215 : resource_manager_(resource_manager),
217 importer_(std::move(importer)),
220 color_transform_hint_(HAL_COLOR_TRANSFORM_IDENTITY) {
224 color_transform_matrix_ = {1.0, 0.0, 0.0, 0.0,
231 void DrmHwcTwo::HwcDisplay::ClearDisplay() {
232 compositor_.ClearDisplay();
235 HWC2::Error DrmHwcTwo::HwcDisplay::Init(std::vector<DrmPlane *> *planes) {
237 planner_ = Planner::CreateInstance(drm_);
239 ALOGE("Failed to create planner instance for composition");
240 return HWC2::Error::NoResources;
243 int display = static_cast<int>(handle_);
244 int ret = compositor_.Init(resource_manager_, display);
246 ALOGE("Failed display compositor init for display %d (%d)", display, ret);
247 return HWC2::Error::NoResources;
250 // Split up the given display planes into primary and overlay to properly
251 // interface with the composition
252 char use_overlay_planes_prop[PROPERTY_VALUE_MAX];
253 property_get("vendor.hwc.drm.use_overlay_planes", use_overlay_planes_prop,
255 bool use_overlay_planes = strtol(use_overlay_planes_prop, nullptr, 10);
256 for (auto &plane : *planes) {
257 if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
258 primary_planes_.push_back(plane);
259 else if (use_overlay_planes && (plane)->type() == DRM_PLANE_TYPE_OVERLAY)
260 overlay_planes_.push_back(plane);
263 crtc_ = drm_->GetCrtcForDisplay(display);
265 ALOGE("Failed to get crtc for display %d", display);
266 return HWC2::Error::BadDisplay;
269 connector_ = drm_->GetConnectorForDisplay(display);
271 ALOGE("Failed to get connector for display %d", display);
272 return HWC2::Error::BadDisplay;
275 ret = vsync_worker_.Init(drm_, display);
277 ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
278 return HWC2::Error::BadDisplay;
281 ret = BackendManager::GetInstance().SetBackendForDisplay(this);
283 ALOGE("Failed to set backend for d=%d %d\n", display, ret);
284 return HWC2::Error::BadDisplay;
287 return ChosePreferredConfig();
290 HWC2::Error DrmHwcTwo::HwcDisplay::ChosePreferredConfig() {
291 // Fetch the number of modes from the display
292 uint32_t num_configs = 0;
293 HWC2::Error err = GetDisplayConfigs(&num_configs, nullptr);
294 if (err != HWC2::Error::None || !num_configs)
297 return SetActiveConfig(connector_->get_preferred_mode_id());
300 void DrmHwcTwo::HwcDisplay::RegisterVsyncCallback(
301 hwc2_callback_data_t data, hwc2_function_pointer_t func) {
303 vsync_worker_.RegisterClientCallback(data, func);
306 void DrmHwcTwo::HwcDisplay::RegisterRefreshCallback(
307 hwc2_callback_data_t data, hwc2_function_pointer_t func) {
309 compositor_.SetRefreshCallback(data, func);
312 HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() {
314 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_)
315 l.second.accept_type_change();
316 return HWC2::Error::None;
319 HWC2::Error DrmHwcTwo::HwcDisplay::CreateLayer(hwc2_layer_t *layer) {
321 layers_.emplace(static_cast<hwc2_layer_t>(layer_idx_), HwcLayer());
322 *layer = static_cast<hwc2_layer_t>(layer_idx_);
324 return HWC2::Error::None;
327 HWC2::Error DrmHwcTwo::HwcDisplay::DestroyLayer(hwc2_layer_t layer) {
329 if (!get_layer(layer))
330 return HWC2::Error::BadLayer;
332 layers_.erase(layer);
333 return HWC2::Error::None;
336 HWC2::Error DrmHwcTwo::HwcDisplay::GetActiveConfig(hwc2_config_t *config) {
338 DrmMode const &mode = connector_->active_mode();
340 return HWC2::Error::BadConfig;
343 return HWC2::Error::None;
346 HWC2::Error DrmHwcTwo::HwcDisplay::GetChangedCompositionTypes(
347 uint32_t *num_elements, hwc2_layer_t *layers, int32_t *types) {
349 uint32_t num_changes = 0;
350 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
351 if (l.second.type_changed()) {
352 if (layers && num_changes < *num_elements)
353 layers[num_changes] = l.first;
354 if (types && num_changes < *num_elements)
355 types[num_changes] = static_cast<int32_t>(l.second.validated_type());
359 if (!layers && !types)
360 *num_elements = num_changes;
361 return HWC2::Error::None;
364 HWC2::Error DrmHwcTwo::HwcDisplay::GetClientTargetSupport(uint32_t width,
369 std::pair<uint32_t, uint32_t> min = drm_->min_resolution();
370 std::pair<uint32_t, uint32_t> max = drm_->max_resolution();
372 if (width < min.first || height < min.second)
373 return HWC2::Error::Unsupported;
375 if (width > max.first || height > max.second)
376 return HWC2::Error::Unsupported;
378 if (dataspace != HAL_DATASPACE_UNKNOWN)
379 return HWC2::Error::Unsupported;
381 // TODO(nobody): Validate format can be handled by either GL or planes
382 return HWC2::Error::None;
385 HWC2::Error DrmHwcTwo::HwcDisplay::GetColorModes(uint32_t *num_modes,
392 *modes = HAL_COLOR_MODE_NATIVE;
394 return HWC2::Error::None;
397 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayAttribute(hwc2_config_t config,
398 int32_t attribute_in,
401 auto mode = std::find_if(connector_->modes().begin(),
402 connector_->modes().end(),
403 [config](DrmMode const &m) {
404 return m.id() == config;
406 if (mode == connector_->modes().end()) {
407 ALOGE("Could not find active mode for %d", config);
408 return HWC2::Error::BadConfig;
411 static const int32_t kUmPerInch = 25400;
412 uint32_t mm_width = connector_->mm_width();
413 uint32_t mm_height = connector_->mm_height();
414 auto attribute = static_cast<HWC2::Attribute>(attribute_in);
416 case HWC2::Attribute::Width:
417 *value = mode->h_display();
419 case HWC2::Attribute::Height:
420 *value = mode->v_display();
422 case HWC2::Attribute::VsyncPeriod:
424 *value = 1000.0 * 1000.0 * 1000.0 / mode->v_refresh();
426 case HWC2::Attribute::DpiX:
427 // Dots per 1000 inches
428 *value = mm_width ? (mode->h_display() * kUmPerInch) / mm_width : -1;
430 case HWC2::Attribute::DpiY:
431 // Dots per 1000 inches
432 *value = mm_height ? (mode->v_display() * kUmPerInch) / mm_height : -1;
434 #if PLATFORM_SDK_VERSION > 29
435 case HWC2::Attribute::ConfigGroup:
436 *value = 0; /* TODO: Add support for config groups */
441 return HWC2::Error::BadConfig;
443 return HWC2::Error::None;
446 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConfigs(uint32_t *num_configs,
447 hwc2_config_t *configs) {
449 // Since this callback is normally invoked twice (once to get the count, and
450 // once to populate configs), we don't really want to read the edid
451 // redundantly. Instead, only update the modes on the first invocation. While
452 // it's possible this will result in stale modes, it'll all come out in the
453 // wash when we try to set the active config later.
455 int ret = connector_->UpdateModes();
457 ALOGE("Failed to update display modes %d", ret);
458 return HWC2::Error::BadDisplay;
462 // Since the upper layers only look at vactive/hactive/refresh, height and
463 // width, it doesn't differentiate interlaced from progressive and other
464 // similar modes. Depending on the order of modes we return to SF, it could
465 // end up choosing a suboptimal configuration and dropping the preferred
466 // mode. To workaround this, don't offer interlaced modes to SF if there is
467 // at least one non-interlaced alternative and only offer a single WxH@R
468 // mode with at least the prefered mode from in DrmConnector::UpdateModes()
470 // TODO(nobody): Remove the following block of code until AOSP handles all
472 std::vector<DrmMode> sel_modes;
474 // Add the preferred mode first to be sure it's not dropped
475 auto mode = std::find_if(connector_->modes().begin(),
476 connector_->modes().end(), [&](DrmMode const &m) {
478 connector_->get_preferred_mode_id();
480 if (mode != connector_->modes().end())
481 sel_modes.push_back(*mode);
483 // Add the active mode if different from preferred mode
484 if (connector_->active_mode().id() != connector_->get_preferred_mode_id())
485 sel_modes.push_back(connector_->active_mode());
487 // Cycle over the modes and filter out "similar" modes, keeping only the
488 // first ones in the order given by DRM (from CEA ids and timings order)
489 for (const DrmMode &mode : connector_->modes()) {
490 // TODO(nobody): Remove this when 3D Attributes are in AOSP
491 if (mode.flags() & DRM_MODE_FLAG_3D_MASK)
494 // TODO(nobody): Remove this when the Interlaced attribute is in AOSP
495 if (mode.flags() & DRM_MODE_FLAG_INTERLACE) {
496 auto m = std::find_if(connector_->modes().begin(),
497 connector_->modes().end(),
498 [&mode](DrmMode const &m) {
499 return !(m.flags() & DRM_MODE_FLAG_INTERLACE) &&
500 m.h_display() == mode.h_display() &&
501 m.v_display() == mode.v_display();
503 if (m == connector_->modes().end())
504 sel_modes.push_back(mode);
509 // Search for a similar WxH@R mode in the filtered list and drop it if
510 // another mode with the same WxH@R has already been selected
511 // TODO(nobody): Remove this when AOSP handles duplicates modes
512 auto m = std::find_if(sel_modes.begin(), sel_modes.end(),
513 [&mode](DrmMode const &m) {
514 return m.h_display() == mode.h_display() &&
515 m.v_display() == mode.v_display() &&
516 m.v_refresh() == mode.v_refresh();
518 if (m == sel_modes.end())
519 sel_modes.push_back(mode);
522 auto num_modes = static_cast<uint32_t>(sel_modes.size());
524 *num_configs = num_modes;
525 return HWC2::Error::None;
529 for (const DrmMode &mode : sel_modes) {
530 if (idx >= *num_configs)
532 configs[idx++] = mode.id();
535 return HWC2::Error::None;
538 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayName(uint32_t *size, char *name) {
540 std::ostringstream stream;
541 stream << "display-" << connector_->id();
542 std::string string = stream.str();
543 size_t length = string.length();
546 return HWC2::Error::None;
549 *size = std::min<uint32_t>(static_cast<uint32_t>(length - 1), *size);
550 strncpy(name, string.c_str(), *size);
551 return HWC2::Error::None;
554 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayRequests(int32_t *display_requests,
555 uint32_t *num_elements,
556 hwc2_layer_t *layers,
557 int32_t *layer_requests) {
559 // TODO(nobody): I think virtual display should request
560 // HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here
561 unsupported(__func__, display_requests, num_elements, layers, layer_requests);
563 return HWC2::Error::None;
566 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayType(int32_t *type) {
568 *type = static_cast<int32_t>(type_);
569 return HWC2::Error::None;
572 HWC2::Error DrmHwcTwo::HwcDisplay::GetDozeSupport(int32_t *support) {
575 return HWC2::Error::None;
578 HWC2::Error DrmHwcTwo::HwcDisplay::GetHdrCapabilities(
579 uint32_t *num_types, int32_t * /*types*/, float * /*max_luminance*/,
580 float * /*max_average_luminance*/, float * /*min_luminance*/) {
583 return HWC2::Error::None;
586 HWC2::Error DrmHwcTwo::HwcDisplay::GetReleaseFences(uint32_t *num_elements,
587 hwc2_layer_t *layers,
590 uint32_t num_layers = 0;
592 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
594 if (layers == nullptr || fences == nullptr)
597 if (num_layers > *num_elements) {
598 ALOGW("Overflow num_elements %d/%d", num_layers, *num_elements);
599 return HWC2::Error::None;
602 layers[num_layers - 1] = l.first;
603 fences[num_layers - 1] = l.second.take_release_fence();
605 *num_elements = num_layers;
606 return HWC2::Error::None;
609 void DrmHwcTwo::HwcDisplay::AddFenceToPresentFence(int fd) {
613 if (present_fence_.get() >= 0) {
614 int old_fence = present_fence_.get();
615 present_fence_.Set(sync_merge("dc_present", old_fence, fd));
618 present_fence_.Set(fd);
622 HWC2::Error DrmHwcTwo::HwcDisplay::CreateComposition(bool test) {
623 // order the layers by z-order
624 bool use_client_layer = false;
625 uint32_t client_z_order = UINT32_MAX;
626 std::map<uint32_t, DrmHwcTwo::HwcLayer *> z_map;
627 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
628 switch (l.second.validated_type()) {
629 case HWC2::Composition::Device:
630 z_map.emplace(std::make_pair(l.second.z_order(), &l.second));
632 case HWC2::Composition::Client:
633 // Place it at the z_order of the lowest client layer
634 use_client_layer = true;
635 client_z_order = std::min(client_z_order, l.second.z_order());
641 if (use_client_layer)
642 z_map.emplace(std::make_pair(client_z_order, &client_layer_));
645 return HWC2::Error::BadLayer;
647 std::vector<DrmHwcLayer> composition_layers;
649 // now that they're ordered by z, add them to the composition
650 for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
652 l.second->PopulateDrmLayer(&layer);
653 int ret = layer.ImportBuffer(importer_.get());
655 ALOGE("Failed to import layer, ret=%d", ret);
656 return HWC2::Error::NoResources;
658 composition_layers.emplace_back(std::move(layer));
661 auto composition = std::make_unique<DrmDisplayComposition>(crtc_,
664 // TODO(nobody): Don't always assume geometry changed
665 int ret = composition->SetLayers(composition_layers.data(),
666 composition_layers.size(), true);
668 ALOGE("Failed to set layers in the composition ret=%d", ret);
669 return HWC2::Error::BadLayer;
672 std::vector<DrmPlane *> primary_planes(primary_planes_);
673 std::vector<DrmPlane *> overlay_planes(overlay_planes_);
674 ret = composition->Plan(&primary_planes, &overlay_planes);
676 ALOGE("Failed to plan the composition ret=%d", ret);
677 return HWC2::Error::BadConfig;
680 // Disable the planes we're not using
681 for (auto i = primary_planes.begin(); i != primary_planes.end();) {
682 composition->AddPlaneDisable(*i);
683 i = primary_planes.erase(i);
685 for (auto i = overlay_planes.begin(); i != overlay_planes.end();) {
686 composition->AddPlaneDisable(*i);
687 i = overlay_planes.erase(i);
691 ret = compositor_.TestComposition(composition.get());
693 ret = compositor_.ApplyComposition(std::move(composition));
694 AddFenceToPresentFence(compositor_.TakeOutFence());
698 ALOGE("Failed to apply the frame composition ret=%d", ret);
699 return HWC2::Error::BadParameter;
701 return HWC2::Error::None;
704 HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *present_fence) {
708 ++total_stats_.total_frames_;
710 ret = CreateComposition(false);
711 if (ret != HWC2::Error::None)
712 ++total_stats_.failed_kms_present_;
714 if (ret == HWC2::Error::BadLayer) {
715 // Can we really have no client or device layers?
717 return HWC2::Error::None;
719 if (ret != HWC2::Error::None)
722 *present_fence = present_fence_.Release();
725 return HWC2::Error::None;
728 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) {
730 auto mode = std::find_if(connector_->modes().begin(),
731 connector_->modes().end(),
732 [config](DrmMode const &m) {
733 return m.id() == config;
735 if (mode == connector_->modes().end()) {
736 ALOGE("Could not find active mode for %d", config);
737 return HWC2::Error::BadConfig;
740 auto composition = std::make_unique<DrmDisplayComposition>(crtc_,
742 int ret = composition->SetDisplayMode(*mode);
744 return HWC2::Error::BadConfig;
746 ret = compositor_.ApplyComposition(std::move(composition));
748 ALOGE("Failed to queue dpms composition on %d", ret);
749 return HWC2::Error::BadConfig;
752 connector_->set_active_mode(*mode);
754 // Setup the client layer's dimensions
755 hwc_rect_t display_frame = {.left = 0,
757 .right = static_cast<int>(mode->h_display()),
758 .bottom = static_cast<int>(mode->v_display())};
759 client_layer_.SetLayerDisplayFrame(display_frame);
761 return HWC2::Error::None;
764 HWC2::Error DrmHwcTwo::HwcDisplay::SetClientTarget(buffer_handle_t target,
765 int32_t acquire_fence,
767 hwc_region_t /*damage*/) {
769 UniqueFd uf(acquire_fence);
771 client_layer_.set_buffer(target);
772 client_layer_.set_acquire_fence(uf.get());
773 client_layer_.SetLayerDataspace(dataspace);
775 /* TODO: Do not update source_crop every call.
776 * It makes sense to do it once after every hotplug event. */
778 BufferInfoGetter::GetInstance()->ConvertBoInfo(target, &bo);
780 hwc_frect_t source_crop = {.left = 0.0F,
782 .right = bo.width + 0.0F,
783 .bottom = bo.height + 0.0F};
784 client_layer_.SetLayerSourceCrop(source_crop);
786 return HWC2::Error::None;
789 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorMode(int32_t mode) {
792 if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG)
793 return HWC2::Error::BadParameter;
795 if (mode != HAL_COLOR_MODE_NATIVE)
796 return HWC2::Error::Unsupported;
799 return HWC2::Error::None;
802 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix,
805 if (hint < HAL_COLOR_TRANSFORM_IDENTITY ||
806 hint > HAL_COLOR_TRANSFORM_CORRECT_TRITANOPIA)
807 return HWC2::Error::BadParameter;
809 if (!matrix && hint == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX)
810 return HWC2::Error::BadParameter;
812 color_transform_hint_ = static_cast<android_color_transform_t>(hint);
813 if (color_transform_hint_ == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX)
814 std::copy(matrix, matrix + MATRIX_SIZE, color_transform_matrix_.begin());
816 return HWC2::Error::None;
819 HWC2::Error DrmHwcTwo::HwcDisplay::SetOutputBuffer(buffer_handle_t buffer,
820 int32_t release_fence) {
822 // TODO(nobody): Need virtual display support
823 return unsupported(__func__, buffer, release_fence);
826 HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) {
828 uint64_t dpms_value = 0;
829 auto mode = static_cast<HWC2::PowerMode>(mode_in);
831 case HWC2::PowerMode::Off:
832 dpms_value = DRM_MODE_DPMS_OFF;
834 case HWC2::PowerMode::On:
835 dpms_value = DRM_MODE_DPMS_ON;
837 case HWC2::PowerMode::Doze:
838 case HWC2::PowerMode::DozeSuspend:
839 return HWC2::Error::Unsupported;
841 ALOGI("Power mode %d is unsupported\n", mode);
842 return HWC2::Error::BadParameter;
845 auto composition = std::make_unique<DrmDisplayComposition>(crtc_,
847 composition->SetDpmsMode(dpms_value);
848 int ret = compositor_.ApplyComposition(std::move(composition));
850 ALOGE("Failed to apply the dpms composition ret=%d", ret);
851 return HWC2::Error::BadParameter;
853 return HWC2::Error::None;
856 HWC2::Error DrmHwcTwo::HwcDisplay::SetVsyncEnabled(int32_t enabled) {
858 vsync_worker_.VSyncControl(HWC2_VSYNC_ENABLE == enabled);
859 return HWC2::Error::None;
862 HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types,
863 uint32_t *num_requests) {
866 return backend_->ValidateDisplay(this, num_types, num_requests);
869 #if PLATFORM_SDK_VERSION > 29
870 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConnectionType(uint32_t *outType) {
871 if (connector_->internal())
872 *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::Internal);
873 else if (connector_->external())
874 *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::External);
876 return HWC2::Error::BadConfig;
878 return HWC2::Error::None;
881 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayVsyncPeriod(
882 hwc2_vsync_period_t *outVsyncPeriod /* ns */) {
884 DrmMode const &mode = connector_->active_mode();
886 return HWC2::Error::BadConfig;
888 *outVsyncPeriod = 1E9 / mode.v_refresh();
889 return HWC2::Error::None;
892 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfigWithConstraints(
893 hwc2_config_t /*config*/,
894 hwc_vsync_period_change_constraints_t *vsyncPeriodChangeConstraints,
895 hwc_vsync_period_change_timeline_t *outTimeline) {
898 if (vsyncPeriodChangeConstraints == nullptr || outTimeline == nullptr) {
899 return HWC2::Error::BadParameter;
902 return HWC2::Error::BadConfig;
905 HWC2::Error DrmHwcTwo::HwcDisplay::SetAutoLowLatencyMode(bool /*on*/) {
906 return HWC2::Error::Unsupported;
909 HWC2::Error DrmHwcTwo::HwcDisplay::GetSupportedContentTypes(
910 uint32_t *outNumSupportedContentTypes,
911 const uint32_t *outSupportedContentTypes) {
912 if (outSupportedContentTypes == nullptr)
913 *outNumSupportedContentTypes = 0;
915 return HWC2::Error::None;
918 HWC2::Error DrmHwcTwo::HwcDisplay::SetContentType(int32_t contentType) {
921 if (contentType != HWC2_CONTENT_TYPE_NONE)
922 return HWC2::Error::Unsupported;
924 /* TODO: Map to the DRM Connector property:
925 * https://elixir.bootlin.com/linux/v5.4-rc5/source/drivers/gpu/drm/drm_connector.c#L809
928 return HWC2::Error::None;
932 #if PLATFORM_SDK_VERSION > 28
933 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayIdentificationData(
934 uint8_t *outPort, uint32_t *outDataSize, uint8_t *outData) {
937 drmModePropertyBlobPtr blob = nullptr;
939 if (connector_->GetEdidBlob(blob)) {
940 ALOGE("Failed to get edid property value.");
941 return HWC2::Error::Unsupported;
945 *outDataSize = std::min(*outDataSize, blob->length);
946 memcpy(outData, blob->data, *outDataSize);
948 *outDataSize = blob->length;
950 *outPort = connector_->id();
952 return HWC2::Error::None;
955 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayCapabilities(
956 uint32_t *outNumCapabilities, uint32_t *outCapabilities) {
957 unsupported(__func__, outCapabilities);
959 if (outNumCapabilities == nullptr) {
960 return HWC2::Error::BadParameter;
963 *outNumCapabilities = 0;
965 return HWC2::Error::None;
968 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayBrightnessSupport(
971 return HWC2::Error::None;
974 HWC2::Error DrmHwcTwo::HwcDisplay::SetDisplayBrightness(
975 float /* brightness */) {
976 return HWC2::Error::Unsupported;
979 #endif /* PLATFORM_SDK_VERSION > 28 */
981 #if PLATFORM_SDK_VERSION > 27
983 HWC2::Error DrmHwcTwo::HwcDisplay::GetRenderIntents(
984 int32_t mode, uint32_t *outNumIntents,
985 int32_t * /*android_render_intent_v1_1_t*/ outIntents) {
986 if (mode != HAL_COLOR_MODE_NATIVE) {
987 return HWC2::Error::BadParameter;
990 if (outIntents == nullptr) {
992 return HWC2::Error::None;
995 outIntents[0] = HAL_RENDER_INTENT_COLORIMETRIC;
996 return HWC2::Error::None;
999 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorModeWithIntent(int32_t mode,
1001 if (intent < HAL_RENDER_INTENT_COLORIMETRIC ||
1002 intent > HAL_RENDER_INTENT_TONE_MAP_ENHANCE)
1003 return HWC2::Error::BadParameter;
1005 if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG)
1006 return HWC2::Error::BadParameter;
1008 if (mode != HAL_COLOR_MODE_NATIVE)
1009 return HWC2::Error::Unsupported;
1011 if (intent != HAL_RENDER_INTENT_COLORIMETRIC)
1012 return HWC2::Error::Unsupported;
1015 return HWC2::Error::None;
1018 #endif /* PLATFORM_SDK_VERSION > 27 */
1020 HWC2::Error DrmHwcTwo::HwcLayer::SetCursorPosition(int32_t x, int32_t y) {
1021 supported(__func__);
1024 return HWC2::Error::None;
1027 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBlendMode(int32_t mode) {
1028 supported(__func__);
1029 blending_ = static_cast<HWC2::BlendMode>(mode);
1030 return HWC2::Error::None;
1033 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBuffer(buffer_handle_t buffer,
1034 int32_t acquire_fence) {
1035 supported(__func__);
1036 UniqueFd uf(acquire_fence);
1039 set_acquire_fence(uf.get());
1040 return HWC2::Error::None;
1043 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t color) {
1044 // TODO(nobody): Put to client composition here?
1045 supported(__func__);
1046 layer_color_ = color;
1047 return HWC2::Error::None;
1050 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerCompositionType(int32_t type) {
1051 sf_type_ = static_cast<HWC2::Composition>(type);
1052 return HWC2::Error::None;
1055 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDataspace(int32_t dataspace) {
1056 supported(__func__);
1057 dataspace_ = static_cast<android_dataspace_t>(dataspace);
1058 return HWC2::Error::None;
1061 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDisplayFrame(hwc_rect_t frame) {
1062 supported(__func__);
1063 display_frame_ = frame;
1064 return HWC2::Error::None;
1067 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerPlaneAlpha(float alpha) {
1068 supported(__func__);
1070 return HWC2::Error::None;
1073 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSidebandStream(
1074 const native_handle_t *stream) {
1075 supported(__func__);
1076 // TODO(nobody): We don't support sideband
1077 return unsupported(__func__, stream);
1080 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSourceCrop(hwc_frect_t crop) {
1081 supported(__func__);
1082 source_crop_ = crop;
1083 return HWC2::Error::None;
1086 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSurfaceDamage(hwc_region_t damage) {
1087 supported(__func__);
1088 // TODO(nobody): We don't use surface damage, marking as unsupported
1089 unsupported(__func__, damage);
1090 return HWC2::Error::None;
1093 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerTransform(int32_t transform) {
1094 supported(__func__);
1095 transform_ = static_cast<HWC2::Transform>(transform);
1096 return HWC2::Error::None;
1099 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerVisibleRegion(hwc_region_t visible) {
1100 supported(__func__);
1101 // TODO(nobody): We don't use this information, marking as unsupported
1102 unsupported(__func__, visible);
1103 return HWC2::Error::None;
1106 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerZOrder(uint32_t order) {
1107 supported(__func__);
1109 return HWC2::Error::None;
1112 void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) {
1113 supported(__func__);
1114 switch (blending_) {
1115 case HWC2::BlendMode::None:
1116 layer->blending = DrmHwcBlending::kNone;
1118 case HWC2::BlendMode::Premultiplied:
1119 layer->blending = DrmHwcBlending::kPreMult;
1121 case HWC2::BlendMode::Coverage:
1122 layer->blending = DrmHwcBlending::kCoverage;
1125 ALOGE("Unknown blending mode b=%d", blending_);
1126 layer->blending = DrmHwcBlending::kNone;
1130 OutputFd release_fence = release_fence_output();
1132 layer->sf_handle = buffer_;
1133 layer->acquire_fence = acquire_fence_.Release();
1134 layer->release_fence = std::move(release_fence);
1135 layer->SetDisplayFrame(display_frame_);
1136 layer->alpha = lround(65535.0F * alpha_);
1137 layer->SetSourceCrop(source_crop_);
1138 layer->SetTransform(static_cast<int32_t>(transform_));
1139 layer->dataspace = dataspace_;
1142 void DrmHwcTwo::HandleDisplayHotplug(hwc2_display_t displayid, int state) {
1143 const std::lock_guard<std::mutex> lock(hotplug_callback_lock);
1145 if (hotplug_callback_hook_ && hotplug_callback_data_)
1146 hotplug_callback_hook_(hotplug_callback_data_, displayid,
1147 state == DRM_MODE_CONNECTED
1148 ? HWC2_CONNECTION_CONNECTED
1149 : HWC2_CONNECTION_DISCONNECTED);
1152 void DrmHwcTwo::HandleInitialHotplugState(DrmDevice *drmDevice) {
1153 for (const auto &conn : drmDevice->connectors()) {
1154 if (conn->state() != DRM_MODE_CONNECTED)
1156 HandleDisplayHotplug(conn->display(), conn->state());
1160 void DrmHwcTwo::DrmHotplugHandler::HandleEvent(uint64_t timestamp_us) {
1161 for (const auto &conn : drm_->connectors()) {
1162 drmModeConnection old_state = conn->state();
1163 drmModeConnection cur_state = conn->UpdateModes()
1164 ? DRM_MODE_UNKNOWNCONNECTION
1167 if (cur_state == old_state)
1170 ALOGI("%s event @%" PRIu64 " for connector %u on display %d",
1171 cur_state == DRM_MODE_CONNECTED ? "Plug" : "Unplug", timestamp_us,
1172 conn->id(), conn->display());
1174 int display_id = conn->display();
1175 if (cur_state == DRM_MODE_CONNECTED) {
1176 auto &display = hwc2_->displays_.at(display_id);
1177 display.ChosePreferredConfig();
1179 auto &display = hwc2_->displays_.at(display_id);
1180 display.ClearDisplay();
1183 hwc2_->HandleDisplayHotplug(display_id, cur_state);
1188 int DrmHwcTwo::HookDevClose(hw_device_t * /*dev*/) {
1189 unsupported(__func__);
1194 void DrmHwcTwo::HookDevGetCapabilities(hwc2_device_t * /*dev*/,
1195 uint32_t *out_count,
1196 int32_t * /*out_capabilities*/) {
1197 supported(__func__);
1202 hwc2_function_pointer_t DrmHwcTwo::HookDevGetFunction(
1203 struct hwc2_device * /*dev*/, int32_t descriptor) {
1204 supported(__func__);
1205 auto func = static_cast<HWC2::FunctionDescriptor>(descriptor);
1208 case HWC2::FunctionDescriptor::CreateVirtualDisplay:
1209 return ToHook<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>(
1210 DeviceHook<int32_t, decltype(&DrmHwcTwo::CreateVirtualDisplay),
1211 &DrmHwcTwo::CreateVirtualDisplay, uint32_t, uint32_t,
1212 int32_t *, hwc2_display_t *>);
1213 case HWC2::FunctionDescriptor::DestroyVirtualDisplay:
1214 return ToHook<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>(
1215 DeviceHook<int32_t, decltype(&DrmHwcTwo::DestroyVirtualDisplay),
1216 &DrmHwcTwo::DestroyVirtualDisplay, hwc2_display_t>);
1217 case HWC2::FunctionDescriptor::Dump:
1218 return ToHook<HWC2_PFN_DUMP>(
1219 DeviceHook<void, decltype(&DrmHwcTwo::Dump), &DrmHwcTwo::Dump,
1220 uint32_t *, char *>);
1221 case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount:
1222 return ToHook<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>(
1223 DeviceHook<uint32_t, decltype(&DrmHwcTwo::GetMaxVirtualDisplayCount),
1224 &DrmHwcTwo::GetMaxVirtualDisplayCount>);
1225 case HWC2::FunctionDescriptor::RegisterCallback:
1226 return ToHook<HWC2_PFN_REGISTER_CALLBACK>(
1227 DeviceHook<int32_t, decltype(&DrmHwcTwo::RegisterCallback),
1228 &DrmHwcTwo::RegisterCallback, int32_t,
1229 hwc2_callback_data_t, hwc2_function_pointer_t>);
1231 // Display functions
1232 case HWC2::FunctionDescriptor::AcceptDisplayChanges:
1233 return ToHook<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>(
1234 DisplayHook<decltype(&HwcDisplay::AcceptDisplayChanges),
1235 &HwcDisplay::AcceptDisplayChanges>);
1236 case HWC2::FunctionDescriptor::CreateLayer:
1237 return ToHook<HWC2_PFN_CREATE_LAYER>(
1238 DisplayHook<decltype(&HwcDisplay::CreateLayer),
1239 &HwcDisplay::CreateLayer, hwc2_layer_t *>);
1240 case HWC2::FunctionDescriptor::DestroyLayer:
1241 return ToHook<HWC2_PFN_DESTROY_LAYER>(
1242 DisplayHook<decltype(&HwcDisplay::DestroyLayer),
1243 &HwcDisplay::DestroyLayer, hwc2_layer_t>);
1244 case HWC2::FunctionDescriptor::GetActiveConfig:
1245 return ToHook<HWC2_PFN_GET_ACTIVE_CONFIG>(
1246 DisplayHook<decltype(&HwcDisplay::GetActiveConfig),
1247 &HwcDisplay::GetActiveConfig, hwc2_config_t *>);
1248 case HWC2::FunctionDescriptor::GetChangedCompositionTypes:
1249 return ToHook<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>(
1250 DisplayHook<decltype(&HwcDisplay::GetChangedCompositionTypes),
1251 &HwcDisplay::GetChangedCompositionTypes, uint32_t *,
1252 hwc2_layer_t *, int32_t *>);
1253 case HWC2::FunctionDescriptor::GetClientTargetSupport:
1254 return ToHook<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(
1255 DisplayHook<decltype(&HwcDisplay::GetClientTargetSupport),
1256 &HwcDisplay::GetClientTargetSupport, uint32_t, uint32_t,
1258 case HWC2::FunctionDescriptor::GetColorModes:
1259 return ToHook<HWC2_PFN_GET_COLOR_MODES>(
1260 DisplayHook<decltype(&HwcDisplay::GetColorModes),
1261 &HwcDisplay::GetColorModes, uint32_t *, int32_t *>);
1262 case HWC2::FunctionDescriptor::GetDisplayAttribute:
1263 return ToHook<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(
1264 DisplayHook<decltype(&HwcDisplay::GetDisplayAttribute),
1265 &HwcDisplay::GetDisplayAttribute, hwc2_config_t, int32_t,
1267 case HWC2::FunctionDescriptor::GetDisplayConfigs:
1268 return ToHook<HWC2_PFN_GET_DISPLAY_CONFIGS>(
1269 DisplayHook<decltype(&HwcDisplay::GetDisplayConfigs),
1270 &HwcDisplay::GetDisplayConfigs, uint32_t *,
1272 case HWC2::FunctionDescriptor::GetDisplayName:
1273 return ToHook<HWC2_PFN_GET_DISPLAY_NAME>(
1274 DisplayHook<decltype(&HwcDisplay::GetDisplayName),
1275 &HwcDisplay::GetDisplayName, uint32_t *, char *>);
1276 case HWC2::FunctionDescriptor::GetDisplayRequests:
1277 return ToHook<HWC2_PFN_GET_DISPLAY_REQUESTS>(
1278 DisplayHook<decltype(&HwcDisplay::GetDisplayRequests),
1279 &HwcDisplay::GetDisplayRequests, int32_t *, uint32_t *,
1280 hwc2_layer_t *, int32_t *>);
1281 case HWC2::FunctionDescriptor::GetDisplayType:
1282 return ToHook<HWC2_PFN_GET_DISPLAY_TYPE>(
1283 DisplayHook<decltype(&HwcDisplay::GetDisplayType),
1284 &HwcDisplay::GetDisplayType, int32_t *>);
1285 case HWC2::FunctionDescriptor::GetDozeSupport:
1286 return ToHook<HWC2_PFN_GET_DOZE_SUPPORT>(
1287 DisplayHook<decltype(&HwcDisplay::GetDozeSupport),
1288 &HwcDisplay::GetDozeSupport, int32_t *>);
1289 case HWC2::FunctionDescriptor::GetHdrCapabilities:
1290 return ToHook<HWC2_PFN_GET_HDR_CAPABILITIES>(
1291 DisplayHook<decltype(&HwcDisplay::GetHdrCapabilities),
1292 &HwcDisplay::GetHdrCapabilities, uint32_t *, int32_t *,
1293 float *, float *, float *>);
1294 case HWC2::FunctionDescriptor::GetReleaseFences:
1295 return ToHook<HWC2_PFN_GET_RELEASE_FENCES>(
1296 DisplayHook<decltype(&HwcDisplay::GetReleaseFences),
1297 &HwcDisplay::GetReleaseFences, uint32_t *, hwc2_layer_t *,
1299 case HWC2::FunctionDescriptor::PresentDisplay:
1300 return ToHook<HWC2_PFN_PRESENT_DISPLAY>(
1301 DisplayHook<decltype(&HwcDisplay::PresentDisplay),
1302 &HwcDisplay::PresentDisplay, int32_t *>);
1303 case HWC2::FunctionDescriptor::SetActiveConfig:
1304 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG>(
1305 DisplayHook<decltype(&HwcDisplay::SetActiveConfig),
1306 &HwcDisplay::SetActiveConfig, hwc2_config_t>);
1307 case HWC2::FunctionDescriptor::SetClientTarget:
1308 return ToHook<HWC2_PFN_SET_CLIENT_TARGET>(
1309 DisplayHook<decltype(&HwcDisplay::SetClientTarget),
1310 &HwcDisplay::SetClientTarget, buffer_handle_t, int32_t,
1311 int32_t, hwc_region_t>);
1312 case HWC2::FunctionDescriptor::SetColorMode:
1313 return ToHook<HWC2_PFN_SET_COLOR_MODE>(
1314 DisplayHook<decltype(&HwcDisplay::SetColorMode),
1315 &HwcDisplay::SetColorMode, int32_t>);
1316 case HWC2::FunctionDescriptor::SetColorTransform:
1317 return ToHook<HWC2_PFN_SET_COLOR_TRANSFORM>(
1318 DisplayHook<decltype(&HwcDisplay::SetColorTransform),
1319 &HwcDisplay::SetColorTransform, const float *, int32_t>);
1320 case HWC2::FunctionDescriptor::SetOutputBuffer:
1321 return ToHook<HWC2_PFN_SET_OUTPUT_BUFFER>(
1322 DisplayHook<decltype(&HwcDisplay::SetOutputBuffer),
1323 &HwcDisplay::SetOutputBuffer, buffer_handle_t, int32_t>);
1324 case HWC2::FunctionDescriptor::SetPowerMode:
1325 return ToHook<HWC2_PFN_SET_POWER_MODE>(
1326 DisplayHook<decltype(&HwcDisplay::SetPowerMode),
1327 &HwcDisplay::SetPowerMode, int32_t>);
1328 case HWC2::FunctionDescriptor::SetVsyncEnabled:
1329 return ToHook<HWC2_PFN_SET_VSYNC_ENABLED>(
1330 DisplayHook<decltype(&HwcDisplay::SetVsyncEnabled),
1331 &HwcDisplay::SetVsyncEnabled, int32_t>);
1332 case HWC2::FunctionDescriptor::ValidateDisplay:
1333 return ToHook<HWC2_PFN_VALIDATE_DISPLAY>(
1334 DisplayHook<decltype(&HwcDisplay::ValidateDisplay),
1335 &HwcDisplay::ValidateDisplay, uint32_t *, uint32_t *>);
1336 #if PLATFORM_SDK_VERSION > 27
1337 case HWC2::FunctionDescriptor::GetRenderIntents:
1338 return ToHook<HWC2_PFN_GET_RENDER_INTENTS>(
1339 DisplayHook<decltype(&HwcDisplay::GetRenderIntents),
1340 &HwcDisplay::GetRenderIntents, int32_t, uint32_t *,
1342 case HWC2::FunctionDescriptor::SetColorModeWithRenderIntent:
1343 return ToHook<HWC2_PFN_SET_COLOR_MODE_WITH_RENDER_INTENT>(
1344 DisplayHook<decltype(&HwcDisplay::SetColorModeWithIntent),
1345 &HwcDisplay::SetColorModeWithIntent, int32_t, int32_t>);
1347 #if PLATFORM_SDK_VERSION > 28
1348 case HWC2::FunctionDescriptor::GetDisplayIdentificationData:
1349 return ToHook<HWC2_PFN_GET_DISPLAY_IDENTIFICATION_DATA>(
1350 DisplayHook<decltype(&HwcDisplay::GetDisplayIdentificationData),
1351 &HwcDisplay::GetDisplayIdentificationData, uint8_t *,
1352 uint32_t *, uint8_t *>);
1353 case HWC2::FunctionDescriptor::GetDisplayCapabilities:
1354 return ToHook<HWC2_PFN_GET_DISPLAY_CAPABILITIES>(
1355 DisplayHook<decltype(&HwcDisplay::GetDisplayCapabilities),
1356 &HwcDisplay::GetDisplayCapabilities, uint32_t *,
1358 case HWC2::FunctionDescriptor::GetDisplayBrightnessSupport:
1359 return ToHook<HWC2_PFN_GET_DISPLAY_BRIGHTNESS_SUPPORT>(
1360 DisplayHook<decltype(&HwcDisplay::GetDisplayBrightnessSupport),
1361 &HwcDisplay::GetDisplayBrightnessSupport, bool *>);
1362 case HWC2::FunctionDescriptor::SetDisplayBrightness:
1363 return ToHook<HWC2_PFN_SET_DISPLAY_BRIGHTNESS>(
1364 DisplayHook<decltype(&HwcDisplay::SetDisplayBrightness),
1365 &HwcDisplay::SetDisplayBrightness, float>);
1366 #endif /* PLATFORM_SDK_VERSION > 28 */
1367 #if PLATFORM_SDK_VERSION > 29
1368 case HWC2::FunctionDescriptor::GetDisplayConnectionType:
1369 return ToHook<HWC2_PFN_GET_DISPLAY_CONNECTION_TYPE>(
1370 DisplayHook<decltype(&HwcDisplay::GetDisplayConnectionType),
1371 &HwcDisplay::GetDisplayConnectionType, uint32_t *>);
1372 case HWC2::FunctionDescriptor::GetDisplayVsyncPeriod:
1373 return ToHook<HWC2_PFN_GET_DISPLAY_VSYNC_PERIOD>(
1374 DisplayHook<decltype(&HwcDisplay::GetDisplayVsyncPeriod),
1375 &HwcDisplay::GetDisplayVsyncPeriod,
1376 hwc2_vsync_period_t *>);
1377 case HWC2::FunctionDescriptor::SetActiveConfigWithConstraints:
1378 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG_WITH_CONSTRAINTS>(
1379 DisplayHook<decltype(&HwcDisplay::SetActiveConfigWithConstraints),
1380 &HwcDisplay::SetActiveConfigWithConstraints,
1381 hwc2_config_t, hwc_vsync_period_change_constraints_t *,
1382 hwc_vsync_period_change_timeline_t *>);
1383 case HWC2::FunctionDescriptor::SetAutoLowLatencyMode:
1384 return ToHook<HWC2_PFN_SET_AUTO_LOW_LATENCY_MODE>(
1385 DisplayHook<decltype(&HwcDisplay::SetAutoLowLatencyMode),
1386 &HwcDisplay::SetAutoLowLatencyMode, bool>);
1387 case HWC2::FunctionDescriptor::GetSupportedContentTypes:
1388 return ToHook<HWC2_PFN_GET_SUPPORTED_CONTENT_TYPES>(
1389 DisplayHook<decltype(&HwcDisplay::GetSupportedContentTypes),
1390 &HwcDisplay::GetSupportedContentTypes, uint32_t *,
1392 case HWC2::FunctionDescriptor::SetContentType:
1393 return ToHook<HWC2_PFN_SET_CONTENT_TYPE>(
1394 DisplayHook<decltype(&HwcDisplay::SetContentType),
1395 &HwcDisplay::SetContentType, int32_t>);
1398 case HWC2::FunctionDescriptor::SetCursorPosition:
1399 return ToHook<HWC2_PFN_SET_CURSOR_POSITION>(
1400 LayerHook<decltype(&HwcLayer::SetCursorPosition),
1401 &HwcLayer::SetCursorPosition, int32_t, int32_t>);
1402 case HWC2::FunctionDescriptor::SetLayerBlendMode:
1403 return ToHook<HWC2_PFN_SET_LAYER_BLEND_MODE>(
1404 LayerHook<decltype(&HwcLayer::SetLayerBlendMode),
1405 &HwcLayer::SetLayerBlendMode, int32_t>);
1406 case HWC2::FunctionDescriptor::SetLayerBuffer:
1407 return ToHook<HWC2_PFN_SET_LAYER_BUFFER>(
1408 LayerHook<decltype(&HwcLayer::SetLayerBuffer),
1409 &HwcLayer::SetLayerBuffer, buffer_handle_t, int32_t>);
1410 case HWC2::FunctionDescriptor::SetLayerColor:
1411 return ToHook<HWC2_PFN_SET_LAYER_COLOR>(
1412 LayerHook<decltype(&HwcLayer::SetLayerColor),
1413 &HwcLayer::SetLayerColor, hwc_color_t>);
1414 case HWC2::FunctionDescriptor::SetLayerCompositionType:
1415 return ToHook<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>(
1416 LayerHook<decltype(&HwcLayer::SetLayerCompositionType),
1417 &HwcLayer::SetLayerCompositionType, int32_t>);
1418 case HWC2::FunctionDescriptor::SetLayerDataspace:
1419 return ToHook<HWC2_PFN_SET_LAYER_DATASPACE>(
1420 LayerHook<decltype(&HwcLayer::SetLayerDataspace),
1421 &HwcLayer::SetLayerDataspace, int32_t>);
1422 case HWC2::FunctionDescriptor::SetLayerDisplayFrame:
1423 return ToHook<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>(
1424 LayerHook<decltype(&HwcLayer::SetLayerDisplayFrame),
1425 &HwcLayer::SetLayerDisplayFrame, hwc_rect_t>);
1426 case HWC2::FunctionDescriptor::SetLayerPlaneAlpha:
1427 return ToHook<HWC2_PFN_SET_LAYER_PLANE_ALPHA>(
1428 LayerHook<decltype(&HwcLayer::SetLayerPlaneAlpha),
1429 &HwcLayer::SetLayerPlaneAlpha, float>);
1430 case HWC2::FunctionDescriptor::SetLayerSidebandStream:
1431 return ToHook<HWC2_PFN_SET_LAYER_SIDEBAND_STREAM>(
1432 LayerHook<decltype(&HwcLayer::SetLayerSidebandStream),
1433 &HwcLayer::SetLayerSidebandStream,
1434 const native_handle_t *>);
1435 case HWC2::FunctionDescriptor::SetLayerSourceCrop:
1436 return ToHook<HWC2_PFN_SET_LAYER_SOURCE_CROP>(
1437 LayerHook<decltype(&HwcLayer::SetLayerSourceCrop),
1438 &HwcLayer::SetLayerSourceCrop, hwc_frect_t>);
1439 case HWC2::FunctionDescriptor::SetLayerSurfaceDamage:
1440 return ToHook<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>(
1441 LayerHook<decltype(&HwcLayer::SetLayerSurfaceDamage),
1442 &HwcLayer::SetLayerSurfaceDamage, hwc_region_t>);
1443 case HWC2::FunctionDescriptor::SetLayerTransform:
1444 return ToHook<HWC2_PFN_SET_LAYER_TRANSFORM>(
1445 LayerHook<decltype(&HwcLayer::SetLayerTransform),
1446 &HwcLayer::SetLayerTransform, int32_t>);
1447 case HWC2::FunctionDescriptor::SetLayerVisibleRegion:
1448 return ToHook<HWC2_PFN_SET_LAYER_VISIBLE_REGION>(
1449 LayerHook<decltype(&HwcLayer::SetLayerVisibleRegion),
1450 &HwcLayer::SetLayerVisibleRegion, hwc_region_t>);
1451 case HWC2::FunctionDescriptor::SetLayerZOrder:
1452 return ToHook<HWC2_PFN_SET_LAYER_Z_ORDER>(
1453 LayerHook<decltype(&HwcLayer::SetLayerZOrder),
1454 &HwcLayer::SetLayerZOrder, uint32_t>);
1455 case HWC2::FunctionDescriptor::Invalid:
1462 int DrmHwcTwo::HookDevOpen(const struct hw_module_t *module, const char *name,
1463 struct hw_device_t **dev) {
1464 supported(__func__);
1465 if (strcmp(name, HWC_HARDWARE_COMPOSER) != 0) {
1466 ALOGE("Invalid module name- %s", name);
1470 std::unique_ptr<DrmHwcTwo> ctx(new DrmHwcTwo());
1472 ALOGE("Failed to allocate DrmHwcTwo");
1476 HWC2::Error err = ctx->Init();
1477 if (err != HWC2::Error::None) {
1478 ALOGE("Failed to initialize DrmHwcTwo err=%d\n", err);
1482 ctx->common.module = (hw_module_t *)module;
1483 *dev = &ctx->common;
1484 ctx.release(); // NOLINT(bugprone-unused-return-value)
1487 } // namespace android
1489 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
1490 static struct hw_module_methods_t hwc2_module_methods = {
1491 .open = android::DrmHwcTwo::HookDevOpen,
1494 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
1495 hw_module_t HAL_MODULE_INFO_SYM = {
1496 .tag = HARDWARE_MODULE_TAG,
1497 .module_api_version = HARDWARE_MODULE_API_VERSION(2, 0),
1498 .id = HWC_HARDWARE_MODULE_ID,
1499 .name = "DrmHwcTwo module",
1500 .author = "The Android Open Source Project",
1501 .methods = &hwc2_module_methods,