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"
23 #include <hardware/hardware.h>
24 #include <hardware/hwcomposer2.h>
25 #include <sync/sync.h>
33 #include "backend/BackendManager.h"
34 #include "bufferinfo/BufferInfoGetter.h"
35 #include "compositor/DrmDisplayComposition.h"
36 #include "utils/log.h"
37 #include "utils/properties.h"
41 DrmHwcTwo::DrmHwcTwo() : hwc2_device() {
42 common.tag = HARDWARE_DEVICE_TAG;
43 common.version = HWC_DEVICE_API_VERSION_2_0;
44 common.close = HookDevClose;
45 getCapabilities = HookDevGetCapabilities;
46 getFunction = HookDevGetFunction;
49 HWC2::Error DrmHwcTwo::CreateDisplay(hwc2_display_t displ,
50 HWC2::DisplayType type) {
51 DrmDevice *drm = resource_manager_.GetDrmDevice(static_cast<int>(displ));
53 ALOGE("Failed to get a valid drmresource");
54 return HWC2::Error::NoResources;
56 displays_.emplace(std::piecewise_construct, std::forward_as_tuple(displ),
57 std::forward_as_tuple(&resource_manager_, drm, displ, type,
60 DrmCrtc *crtc = drm->GetCrtcForDisplay(static_cast<int>(displ));
62 ALOGE("Failed to get crtc for display %d", static_cast<int>(displ));
63 return HWC2::Error::BadDisplay;
65 auto display_planes = std::vector<DrmPlane *>();
66 for (const auto &plane : drm->planes()) {
67 if (plane->GetCrtcSupported(*crtc))
68 display_planes.push_back(plane.get());
70 displays_.at(displ).Init(&display_planes);
71 return HWC2::Error::None;
74 HWC2::Error DrmHwcTwo::Init() {
75 int rv = resource_manager_.Init();
77 ALOGE("Can't initialize the resource manager %d", rv);
78 return HWC2::Error::NoResources;
81 HWC2::Error ret = HWC2::Error::None;
82 for (int i = 0; i < resource_manager_.getDisplayCount(); i++) {
83 ret = CreateDisplay(i, HWC2::DisplayType::Physical);
84 if (ret != HWC2::Error::None) {
85 ALOGE("Failed to create display %d with error %d", i, ret);
90 resource_manager_.GetUEventListener()->RegisterHotplugHandler(
91 [this] { HandleHotplugUEvent(); });
96 template <typename... Args>
97 static inline HWC2::Error unsupported(char const *func, Args... /*args*/) {
98 ALOGV("Unsupported function: %s", func);
99 return HWC2::Error::Unsupported;
102 static inline void supported(char const *func) {
103 ALOGV("Supported function: %s", func);
106 HWC2::Error DrmHwcTwo::CreateVirtualDisplay(uint32_t width, uint32_t height,
108 hwc2_display_t *display) {
109 // TODO(nobody): Implement virtual display
110 return unsupported(__func__, width, height, format, display);
113 HWC2::Error DrmHwcTwo::DestroyVirtualDisplay(hwc2_display_t display) {
114 // TODO(nobody): Implement virtual display
115 return unsupported(__func__, display);
118 std::string DrmHwcTwo::HwcDisplay::DumpDelta(
119 DrmHwcTwo::HwcDisplay::Stats delta) {
120 if (delta.total_pixops_ == 0)
121 return "No stats yet";
122 double ratio = 1.0 - double(delta.gpu_pixops_) / double(delta.total_pixops_);
124 std::stringstream ss;
125 ss << " Total frames count: " << delta.total_frames_ << "\n"
126 << " Failed to test commit frames: " << delta.failed_kms_validate_ << "\n"
127 << " Failed to commit frames: " << delta.failed_kms_present_ << "\n"
128 << ((delta.failed_kms_present_ > 0)
129 ? " !!! Internal failure, FIX it please\n"
131 << " Flattened frames: " << delta.frames_flattened_ << "\n"
132 << " Pixel operations (free units)"
133 << " : [TOTAL: " << delta.total_pixops_ << " / GPU: " << delta.gpu_pixops_
135 << " Composition efficiency: " << ratio;
140 std::string DrmHwcTwo::HwcDisplay::Dump() {
141 std::string flattening_state_str;
142 switch (flattenning_state_) {
143 case ClientFlattenningState::Disabled:
144 flattening_state_str = "Disabled";
146 case ClientFlattenningState::NotRequired:
147 flattening_state_str = "Not needed";
149 case ClientFlattenningState::Flattened:
150 flattening_state_str = "Active";
152 case ClientFlattenningState::ClientRefreshRequested:
153 flattening_state_str = "Refresh requested";
156 flattening_state_str = std::to_string(flattenning_state_) +
160 std::stringstream ss;
161 ss << "- Display on: " << connector_->name() << "\n"
162 << " Flattening state: " << flattening_state_str << "\n"
163 << "Statistics since system boot:\n"
164 << DumpDelta(total_stats_) << "\n\n"
165 << "Statistics since last dumpsys request:\n"
166 << DumpDelta(total_stats_.minus(prev_stats_)) << "\n\n";
168 memcpy(&prev_stats_, &total_stats_, sizeof(Stats));
172 void DrmHwcTwo::Dump(uint32_t *outSize, char *outBuffer) {
175 if (outBuffer != nullptr) {
176 auto copied_bytes = mDumpString.copy(outBuffer, *outSize);
177 *outSize = static_cast<uint32_t>(copied_bytes);
181 std::stringstream output;
183 output << "-- drm_hwcomposer --\n\n";
185 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &dp : displays_)
186 output << dp.second.Dump();
188 mDumpString = output.str();
189 *outSize = static_cast<uint32_t>(mDumpString.size());
192 uint32_t DrmHwcTwo::GetMaxVirtualDisplayCount() {
193 // TODO(nobody): Implement virtual display
194 unsupported(__func__);
198 HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor,
199 hwc2_callback_data_t data,
200 hwc2_function_pointer_t function) {
203 std::unique_lock<std::mutex> lock(callback_lock_);
205 switch (static_cast<HWC2::Callback>(descriptor)) {
206 case HWC2::Callback::Hotplug: {
207 hotplug_callback_ = std::make_pair(HWC2_PFN_HOTPLUG(function), data);
209 const auto &drm_devices = resource_manager_.getDrmDevices();
210 for (const auto &device : drm_devices)
211 HandleInitialHotplugState(device.get());
214 case HWC2::Callback::Refresh: {
215 refresh_callback_ = std::make_pair(HWC2_PFN_REFRESH(function), data);
218 case HWC2::Callback::Vsync: {
219 vsync_callback_ = std::make_pair(HWC2_PFN_VSYNC(function), data);
222 #if PLATFORM_SDK_VERSION > 29
223 case HWC2::Callback::Vsync_2_4: {
224 vsync_2_4_callback_ = std::make_pair(HWC2_PFN_VSYNC_2_4(function), data);
231 return HWC2::Error::None;
234 DrmHwcTwo::HwcDisplay::HwcDisplay(ResourceManager *resource_manager,
235 DrmDevice *drm, hwc2_display_t handle,
236 HWC2::DisplayType type, DrmHwcTwo *hwc2)
238 resource_manager_(resource_manager),
242 color_transform_hint_(HAL_COLOR_TRANSFORM_IDENTITY) {
246 color_transform_matrix_ = {1.0, 0.0, 0.0, 0.0,
253 void DrmHwcTwo::HwcDisplay::ClearDisplay() {
254 AtomicCommitArgs a_args = {.clear_active_composition = true};
255 compositor_.ExecuteAtomicCommit(a_args);
258 HWC2::Error DrmHwcTwo::HwcDisplay::Init(std::vector<DrmPlane *> *planes) {
260 planner_ = Planner::CreateInstance(drm_);
262 ALOGE("Failed to create planner instance for composition");
263 return HWC2::Error::NoResources;
266 int display = static_cast<int>(handle_);
267 int ret = compositor_.Init(resource_manager_, display);
269 ALOGE("Failed display compositor init for display %d (%d)", display, ret);
270 return HWC2::Error::NoResources;
273 // Split up the given display planes into primary and overlay to properly
274 // interface with the composition
275 char use_overlay_planes_prop[PROPERTY_VALUE_MAX];
276 property_get("vendor.hwc.drm.use_overlay_planes", use_overlay_planes_prop,
278 bool use_overlay_planes = strtol(use_overlay_planes_prop, nullptr, 10);
279 for (auto &plane : *planes) {
280 if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
281 primary_planes_.push_back(plane);
282 else if (use_overlay_planes && (plane)->type() == DRM_PLANE_TYPE_OVERLAY)
283 overlay_planes_.push_back(plane);
286 crtc_ = drm_->GetCrtcForDisplay(display);
288 ALOGE("Failed to get crtc for display %d", display);
289 return HWC2::Error::BadDisplay;
292 connector_ = drm_->GetConnectorForDisplay(display);
294 ALOGE("Failed to get connector for display %d", display);
295 return HWC2::Error::BadDisplay;
298 ret = vsync_worker_.Init(drm_, display, [this](int64_t timestamp) {
299 const std::lock_guard<std::mutex> lock(hwc2_->callback_lock_);
301 #if PLATFORM_SDK_VERSION > 29
302 if (hwc2_->vsync_2_4_callback_.first != nullptr &&
303 hwc2_->vsync_2_4_callback_.second != nullptr) {
304 hwc2_vsync_period_t period_ns{};
305 GetDisplayVsyncPeriod(&period_ns);
306 hwc2_->vsync_2_4_callback_.first(hwc2_->vsync_2_4_callback_.second,
307 handle_, timestamp, period_ns);
310 if (hwc2_->vsync_callback_.first != nullptr &&
311 hwc2_->vsync_callback_.second != nullptr) {
312 hwc2_->vsync_callback_.first(hwc2_->vsync_callback_.second, handle_,
317 ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
318 return HWC2::Error::BadDisplay;
321 ret = flattening_vsync_worker_.Init(drm_, display, [this](int64_t /*timestamp*/) {
322 const std::lock_guard<std::mutex> lock(hwc2_->callback_lock_);
323 /* Frontend flattening */
324 if (flattenning_state_ > ClientFlattenningState::ClientRefreshRequested &&
325 --flattenning_state_ ==
326 ClientFlattenningState::ClientRefreshRequested &&
327 hwc2_->refresh_callback_.first != nullptr &&
328 hwc2_->refresh_callback_.second != nullptr) {
329 hwc2_->refresh_callback_.first(hwc2_->refresh_callback_.second, handle_);
330 flattening_vsync_worker_.VSyncControl(false);
334 ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
335 return HWC2::Error::BadDisplay;
338 ret = BackendManager::GetInstance().SetBackendForDisplay(this);
340 ALOGE("Failed to set backend for d=%d %d\n", display, ret);
341 return HWC2::Error::BadDisplay;
344 return ChosePreferredConfig();
347 HWC2::Error DrmHwcTwo::HwcDisplay::ChosePreferredConfig() {
348 // Fetch the number of modes from the display
349 uint32_t num_configs = 0;
350 HWC2::Error err = GetDisplayConfigs(&num_configs, nullptr);
351 if (err != HWC2::Error::None || !num_configs)
352 return HWC2::Error::BadDisplay;
354 return SetActiveConfig(preferred_config_id_);
357 HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() {
359 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_)
360 l.second.accept_type_change();
361 return HWC2::Error::None;
364 HWC2::Error DrmHwcTwo::HwcDisplay::CreateLayer(hwc2_layer_t *layer) {
366 layers_.emplace(static_cast<hwc2_layer_t>(layer_idx_), HwcLayer());
367 *layer = static_cast<hwc2_layer_t>(layer_idx_);
369 return HWC2::Error::None;
372 HWC2::Error DrmHwcTwo::HwcDisplay::DestroyLayer(hwc2_layer_t layer) {
374 if (!get_layer(layer))
375 return HWC2::Error::BadLayer;
377 layers_.erase(layer);
378 return HWC2::Error::None;
381 HWC2::Error DrmHwcTwo::HwcDisplay::GetActiveConfig(
382 hwc2_config_t *config) const {
384 if (hwc_configs_.count(active_config_id_) == 0)
385 return HWC2::Error::BadConfig;
387 *config = active_config_id_;
388 return HWC2::Error::None;
391 HWC2::Error DrmHwcTwo::HwcDisplay::GetChangedCompositionTypes(
392 uint32_t *num_elements, hwc2_layer_t *layers, int32_t *types) {
394 uint32_t num_changes = 0;
395 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
396 if (l.second.type_changed()) {
397 if (layers && num_changes < *num_elements)
398 layers[num_changes] = l.first;
399 if (types && num_changes < *num_elements)
400 types[num_changes] = static_cast<int32_t>(l.second.validated_type());
404 if (!layers && !types)
405 *num_elements = num_changes;
406 return HWC2::Error::None;
409 HWC2::Error DrmHwcTwo::HwcDisplay::GetClientTargetSupport(uint32_t width,
414 std::pair<uint32_t, uint32_t> min = drm_->min_resolution();
415 std::pair<uint32_t, uint32_t> max = drm_->max_resolution();
417 if (width < min.first || height < min.second)
418 return HWC2::Error::Unsupported;
420 if (width > max.first || height > max.second)
421 return HWC2::Error::Unsupported;
423 if (dataspace != HAL_DATASPACE_UNKNOWN)
424 return HWC2::Error::Unsupported;
426 // TODO(nobody): Validate format can be handled by either GL or planes
427 return HWC2::Error::None;
430 HWC2::Error DrmHwcTwo::HwcDisplay::GetColorModes(uint32_t *num_modes,
437 *modes = HAL_COLOR_MODE_NATIVE;
439 return HWC2::Error::None;
442 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayAttribute(hwc2_config_t config,
443 int32_t attribute_in,
446 int conf = static_cast<int>(config);
448 if (hwc_configs_.count(conf) == 0) {
449 ALOGE("Could not find active mode for %d", conf);
450 return HWC2::Error::BadConfig;
453 auto &hwc_config = hwc_configs_[conf];
455 static const int32_t kUmPerInch = 25400;
456 uint32_t mm_width = connector_->mm_width();
457 uint32_t mm_height = connector_->mm_height();
458 auto attribute = static_cast<HWC2::Attribute>(attribute_in);
460 case HWC2::Attribute::Width:
461 *value = static_cast<int>(hwc_config.mode.h_display());
463 case HWC2::Attribute::Height:
464 *value = static_cast<int>(hwc_config.mode.v_display());
466 case HWC2::Attribute::VsyncPeriod:
468 *value = static_cast<int>(1E9 / hwc_config.mode.v_refresh());
470 case HWC2::Attribute::DpiX:
471 // Dots per 1000 inches
472 *value = mm_width ? static_cast<int>(hwc_config.mode.h_display() *
473 kUmPerInch / mm_width)
476 case HWC2::Attribute::DpiY:
477 // Dots per 1000 inches
478 *value = mm_height ? static_cast<int>(hwc_config.mode.v_display() *
479 kUmPerInch / mm_height)
482 #if PLATFORM_SDK_VERSION > 29
483 case HWC2::Attribute::ConfigGroup:
484 /* Dispite ConfigGroup is a part of HWC2.4 API, framework
485 * able to request it even if service @2.1 is used */
486 *value = hwc_config.group_id;
491 return HWC2::Error::BadConfig;
493 return HWC2::Error::None;
496 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConfigs(uint32_t *num_configs,
497 hwc2_config_t *configs) {
499 // Since this callback is normally invoked twice (once to get the count, and
500 // once to populate configs), we don't really want to read the edid
501 // redundantly. Instead, only update the modes on the first invocation. While
502 // it's possible this will result in stale modes, it'll all come out in the
503 // wash when we try to set the active config later.
505 int ret = connector_->UpdateModes();
507 ALOGE("Failed to update display modes %d", ret);
508 return HWC2::Error::BadDisplay;
511 hwc_configs_.clear();
512 preferred_config_id_ = 0;
513 int preferred_config_group_id_ = 0;
515 if (connector_->modes().empty()) {
516 ALOGE("No modes reported by KMS");
517 return HWC2::Error::BadDisplay;
520 int last_config_id = 1;
521 int last_group_id = 1;
524 for (const auto &mode : connector_->modes()) {
525 /* Find group for the new mode or create new group */
527 for (auto &hwc_config : hwc_configs_) {
528 if (mode.h_display() == hwc_config.second.mode.h_display() &&
529 mode.v_display() == hwc_config.second.mode.v_display()) {
530 group_found = hwc_config.second.group_id;
533 if (group_found == 0) {
534 group_found = last_group_id++;
537 bool disabled = false;
538 if (mode.flags() & DRM_MODE_FLAG_3D_MASK) {
539 ALOGI("Disabling display mode %s (Modes with 3D flag aren't supported)",
540 mode.name().c_str());
545 hwc_configs_[last_config_id] = {
546 .id = last_config_id,
547 .group_id = group_found,
549 .disabled = disabled,
552 /* Chwck if the mode is preferred */
553 if ((mode.type() & DRM_MODE_TYPE_PREFERRED) != 0 &&
554 preferred_config_id_ == 0) {
555 preferred_config_id_ = last_config_id;
556 preferred_config_group_id_ = group_found;
562 /* We must have preferred mode. Set first mode as preferred
563 * in case KMS haven't reported anything. */
564 if (preferred_config_id_ == 0) {
565 preferred_config_id_ = 1;
566 preferred_config_group_id_ = 1;
569 for (int group = 1; group < last_group_id; group++) {
570 bool has_interlaced = false;
571 bool has_progressive = false;
572 for (auto &hwc_config : hwc_configs_) {
573 if (hwc_config.second.group_id != group || hwc_config.second.disabled) {
577 if (hwc_config.second.IsInterlaced()) {
578 has_interlaced = true;
580 has_progressive = true;
584 bool has_both = has_interlaced && has_progressive;
589 bool group_contains_preferred_interlaced = false;
590 if (group == preferred_config_group_id_ &&
591 hwc_configs_[preferred_config_id_].IsInterlaced()) {
592 group_contains_preferred_interlaced = true;
595 for (auto &hwc_config : hwc_configs_) {
596 if (hwc_config.second.group_id != group || hwc_config.second.disabled) {
600 bool disable = group_contains_preferred_interlaced
601 ? !hwc_config.second.IsInterlaced()
602 : hwc_config.second.IsInterlaced();
606 "Group %i: Disabling display mode %s (This group should consist "
608 group, hwc_config.second.mode.name().c_str(),
609 group_contains_preferred_interlaced ? "interlaced"
612 hwc_config.second.disabled = true;
617 /* Group should not contain 2 modes with FPS delta less than ~1HZ
618 * otherwise android.graphics.cts.SetFrameRateTest CTS will fail
620 for (int m1 = 1; m1 < last_config_id; m1++) {
621 for (int m2 = 1; m2 < last_config_id; m2++) {
623 hwc_configs_[m1].group_id == hwc_configs_[m2].group_id &&
624 !hwc_configs_[m1].disabled && !hwc_configs_[m2].disabled &&
625 fabsf(hwc_configs_[m1].mode.v_refresh() -
626 hwc_configs_[m2].mode.v_refresh()) < 1.0) {
628 "Group %i: Disabling display mode %s (Refresh rate value is "
629 "too close to existing mode %s)",
630 hwc_configs_[m2].group_id, hwc_configs_[m2].mode.name().c_str(),
631 hwc_configs_[m1].mode.name().c_str());
633 hwc_configs_[m2].disabled = true;
640 for (auto &hwc_config : hwc_configs_) {
641 if (hwc_config.second.disabled) {
645 if (configs != nullptr) {
646 if (idx >= *num_configs) {
649 configs[idx] = hwc_config.second.id;
655 return HWC2::Error::None;
658 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayName(uint32_t *size, char *name) {
660 std::ostringstream stream;
661 stream << "display-" << connector_->id();
662 std::string string = stream.str();
663 size_t length = string.length();
666 return HWC2::Error::None;
669 *size = std::min<uint32_t>(static_cast<uint32_t>(length - 1), *size);
670 strncpy(name, string.c_str(), *size);
671 return HWC2::Error::None;
674 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayRequests(int32_t *display_requests,
675 uint32_t *num_elements,
676 hwc2_layer_t *layers,
677 int32_t *layer_requests) {
679 // TODO(nobody): I think virtual display should request
680 // HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here
681 unsupported(__func__, display_requests, num_elements, layers, layer_requests);
683 return HWC2::Error::None;
686 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayType(int32_t *type) {
688 *type = static_cast<int32_t>(type_);
689 return HWC2::Error::None;
692 HWC2::Error DrmHwcTwo::HwcDisplay::GetDozeSupport(int32_t *support) {
695 return HWC2::Error::None;
698 HWC2::Error DrmHwcTwo::HwcDisplay::GetHdrCapabilities(
699 uint32_t *num_types, int32_t * /*types*/, float * /*max_luminance*/,
700 float * /*max_average_luminance*/, float * /*min_luminance*/) {
703 return HWC2::Error::None;
706 /* Find API details at:
707 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1767
709 HWC2::Error DrmHwcTwo::HwcDisplay::GetReleaseFences(uint32_t *num_elements,
710 hwc2_layer_t *layers,
713 uint32_t num_layers = 0;
715 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
717 if (layers == nullptr || fences == nullptr)
720 if (num_layers > *num_elements) {
721 ALOGW("Overflow num_elements %d/%d", num_layers, *num_elements);
722 return HWC2::Error::None;
725 layers[num_layers - 1] = l.first;
726 fences[num_layers - 1] = l.second.release_fence_.Release();
728 *num_elements = num_layers;
729 return HWC2::Error::None;
732 HWC2::Error DrmHwcTwo::HwcDisplay::CreateComposition(AtomicCommitArgs &a_args) {
733 // order the layers by z-order
734 bool use_client_layer = false;
735 uint32_t client_z_order = UINT32_MAX;
736 std::map<uint32_t, DrmHwcTwo::HwcLayer *> z_map;
737 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
738 switch (l.second.validated_type()) {
739 case HWC2::Composition::Device:
740 z_map.emplace(std::make_pair(l.second.z_order(), &l.second));
742 case HWC2::Composition::Client:
743 // Place it at the z_order of the lowest client layer
744 use_client_layer = true;
745 client_z_order = std::min(client_z_order, l.second.z_order());
751 if (use_client_layer)
752 z_map.emplace(std::make_pair(client_z_order, &client_layer_));
755 return HWC2::Error::BadLayer;
757 std::vector<DrmHwcLayer> composition_layers;
759 // now that they're ordered by z, add them to the composition
760 for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
762 l.second->PopulateDrmLayer(&layer);
763 int ret = layer.ImportBuffer(drm_);
765 ALOGE("Failed to import layer, ret=%d", ret);
766 return HWC2::Error::NoResources;
768 composition_layers.emplace_back(std::move(layer));
771 auto composition = std::make_shared<DrmDisplayComposition>(crtc_,
774 // TODO(nobody): Don't always assume geometry changed
775 int ret = composition->SetLayers(composition_layers.data(),
776 composition_layers.size());
778 ALOGE("Failed to set layers in the composition ret=%d", ret);
779 return HWC2::Error::BadLayer;
782 std::vector<DrmPlane *> primary_planes(primary_planes_);
783 std::vector<DrmPlane *> overlay_planes(overlay_planes_);
784 ret = composition->Plan(&primary_planes, &overlay_planes);
786 ALOGV("Failed to plan the composition ret=%d", ret);
787 return HWC2::Error::BadConfig;
790 // Disable the planes we're not using
791 for (auto i = primary_planes.begin(); i != primary_planes.end();) {
792 composition->AddPlaneDisable(*i);
793 i = primary_planes.erase(i);
795 for (auto i = overlay_planes.begin(); i != overlay_planes.end();) {
796 composition->AddPlaneDisable(*i);
797 i = overlay_planes.erase(i);
800 a_args.composition = composition;
801 ret = compositor_.ExecuteAtomicCommit(a_args);
804 if (!a_args.test_only)
805 ALOGE("Failed to apply the frame composition ret=%d", ret);
806 return HWC2::Error::BadParameter;
808 return HWC2::Error::None;
811 /* Find API details at:
812 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1805
814 HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *present_fence) {
818 ++total_stats_.total_frames_;
820 AtomicCommitArgs a_args{};
821 ret = CreateComposition(a_args);
823 if (ret != HWC2::Error::None)
824 ++total_stats_.failed_kms_present_;
826 if (ret == HWC2::Error::BadLayer) {
827 // Can we really have no client or device layers?
829 return HWC2::Error::None;
831 if (ret != HWC2::Error::None)
834 *present_fence = a_args.out_fence.Release();
837 return HWC2::Error::None;
840 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) {
843 int conf = static_cast<int>(config);
845 if (hwc_configs_.count(conf) == 0) {
846 ALOGE("Could not find active mode for %d", conf);
847 return HWC2::Error::BadConfig;
850 auto &mode = hwc_configs_[conf].mode;
852 AtomicCommitArgs a_args = {
853 .display_mode = mode,
854 .clear_active_composition = true,
857 int err = compositor_.ExecuteAtomicCommit(a_args);
859 ALOGE("Failed to queue mode changing commit %d", err);
860 return HWC2::Error::BadConfig;
863 active_config_id_ = conf;
865 // Setup the client layer's dimensions
866 hwc_rect_t display_frame = {.left = 0,
868 .right = static_cast<int>(mode.h_display()),
869 .bottom = static_cast<int>(mode.v_display())};
870 client_layer_.SetLayerDisplayFrame(display_frame);
872 return HWC2::Error::None;
875 /* Find API details at:
876 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1861
878 HWC2::Error DrmHwcTwo::HwcDisplay::SetClientTarget(buffer_handle_t target,
879 int32_t acquire_fence,
881 hwc_region_t /*damage*/) {
884 client_layer_.set_buffer(target);
885 client_layer_.acquire_fence_ = UniqueFd(acquire_fence);
886 client_layer_.SetLayerDataspace(dataspace);
888 /* TODO: Do not update source_crop every call.
889 * It makes sense to do it once after every hotplug event. */
891 BufferInfoGetter::GetInstance()->ConvertBoInfo(target, &bo);
893 hwc_frect_t source_crop = {.left = 0.0F,
895 .right = static_cast<float>(bo.width),
896 .bottom = static_cast<float>(bo.height)};
897 client_layer_.SetLayerSourceCrop(source_crop);
899 return HWC2::Error::None;
902 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorMode(int32_t mode) {
905 if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG)
906 return HWC2::Error::BadParameter;
908 if (mode != HAL_COLOR_MODE_NATIVE)
909 return HWC2::Error::Unsupported;
912 return HWC2::Error::None;
915 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix,
918 if (hint < HAL_COLOR_TRANSFORM_IDENTITY ||
919 hint > HAL_COLOR_TRANSFORM_CORRECT_TRITANOPIA)
920 return HWC2::Error::BadParameter;
922 if (!matrix && hint == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX)
923 return HWC2::Error::BadParameter;
925 color_transform_hint_ = static_cast<android_color_transform_t>(hint);
926 if (color_transform_hint_ == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX)
927 std::copy(matrix, matrix + MATRIX_SIZE, color_transform_matrix_.begin());
929 return HWC2::Error::None;
932 HWC2::Error DrmHwcTwo::HwcDisplay::SetOutputBuffer(buffer_handle_t buffer,
933 int32_t release_fence) {
935 // TODO(nobody): Need virtual display support
936 return unsupported(__func__, buffer, release_fence);
939 HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) {
941 auto mode = static_cast<HWC2::PowerMode>(mode_in);
942 AtomicCommitArgs a_args{};
945 case HWC2::PowerMode::Off:
946 a_args.active = false;
948 case HWC2::PowerMode::On:
949 a_args.active = true;
951 case HWC2::PowerMode::Doze:
952 case HWC2::PowerMode::DozeSuspend:
953 return HWC2::Error::Unsupported;
955 ALOGI("Power mode %d is unsupported\n", mode);
956 return HWC2::Error::BadParameter;
959 int err = compositor_.ExecuteAtomicCommit(a_args);
961 ALOGE("Failed to apply the dpms composition err=%d", err);
962 return HWC2::Error::BadParameter;
964 return HWC2::Error::None;
967 HWC2::Error DrmHwcTwo::HwcDisplay::SetVsyncEnabled(int32_t enabled) {
969 vsync_worker_.VSyncControl(HWC2_VSYNC_ENABLE == enabled);
970 return HWC2::Error::None;
973 HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types,
974 uint32_t *num_requests) {
977 return backend_->ValidateDisplay(this, num_types, num_requests);
980 std::vector<DrmHwcTwo::HwcLayer *>
981 DrmHwcTwo::HwcDisplay::GetOrderLayersByZPos() {
982 std::vector<DrmHwcTwo::HwcLayer *> ordered_layers;
983 ordered_layers.reserve(layers_.size());
985 for (auto &[handle, layer] : layers_) {
986 ordered_layers.emplace_back(&layer);
989 std::sort(std::begin(ordered_layers), std::end(ordered_layers),
990 [](const DrmHwcTwo::HwcLayer *lhs, const DrmHwcTwo::HwcLayer *rhs) {
991 return lhs->z_order() < rhs->z_order();
994 return ordered_layers;
997 #if PLATFORM_SDK_VERSION > 29
998 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConnectionType(uint32_t *outType) {
999 if (connector_->internal())
1000 *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::Internal);
1001 else if (connector_->external())
1002 *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::External);
1004 return HWC2::Error::BadConfig;
1006 return HWC2::Error::None;
1009 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayVsyncPeriod(
1010 hwc2_vsync_period_t *outVsyncPeriod /* ns */) {
1011 supported(__func__);
1012 return GetDisplayAttribute(active_config_id_, HWC2_ATTRIBUTE_VSYNC_PERIOD,
1013 (int32_t *)(outVsyncPeriod));
1016 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfigWithConstraints(
1017 hwc2_config_t /*config*/,
1018 hwc_vsync_period_change_constraints_t *vsyncPeriodChangeConstraints,
1019 hwc_vsync_period_change_timeline_t *outTimeline) {
1020 supported(__func__);
1022 if (vsyncPeriodChangeConstraints == nullptr || outTimeline == nullptr) {
1023 return HWC2::Error::BadParameter;
1026 return HWC2::Error::BadConfig;
1029 HWC2::Error DrmHwcTwo::HwcDisplay::SetAutoLowLatencyMode(bool /*on*/) {
1030 return HWC2::Error::Unsupported;
1033 HWC2::Error DrmHwcTwo::HwcDisplay::GetSupportedContentTypes(
1034 uint32_t *outNumSupportedContentTypes,
1035 const uint32_t *outSupportedContentTypes) {
1036 if (outSupportedContentTypes == nullptr)
1037 *outNumSupportedContentTypes = 0;
1039 return HWC2::Error::None;
1042 HWC2::Error DrmHwcTwo::HwcDisplay::SetContentType(int32_t contentType) {
1043 supported(__func__);
1045 if (contentType != HWC2_CONTENT_TYPE_NONE)
1046 return HWC2::Error::Unsupported;
1048 /* TODO: Map to the DRM Connector property:
1049 * https://elixir.bootlin.com/linux/v5.4-rc5/source/drivers/gpu/drm/drm_connector.c#L809
1052 return HWC2::Error::None;
1056 #if PLATFORM_SDK_VERSION > 28
1057 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayIdentificationData(
1058 uint8_t *outPort, uint32_t *outDataSize, uint8_t *outData) {
1059 supported(__func__);
1061 auto blob = connector_->GetEdidBlob();
1064 ALOGE("Failed to get edid property value.");
1065 return HWC2::Error::Unsupported;
1069 *outDataSize = std::min(*outDataSize, blob->length);
1070 memcpy(outData, blob->data, *outDataSize);
1072 *outDataSize = blob->length;
1074 *outPort = connector_->id();
1076 return HWC2::Error::None;
1079 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayCapabilities(
1080 uint32_t *outNumCapabilities, uint32_t *outCapabilities) {
1081 unsupported(__func__, outCapabilities);
1083 if (outNumCapabilities == nullptr) {
1084 return HWC2::Error::BadParameter;
1087 *outNumCapabilities = 0;
1089 return HWC2::Error::None;
1092 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayBrightnessSupport(
1095 return HWC2::Error::None;
1098 HWC2::Error DrmHwcTwo::HwcDisplay::SetDisplayBrightness(
1099 float /* brightness */) {
1100 return HWC2::Error::Unsupported;
1103 #endif /* PLATFORM_SDK_VERSION > 28 */
1105 #if PLATFORM_SDK_VERSION > 27
1107 HWC2::Error DrmHwcTwo::HwcDisplay::GetRenderIntents(
1108 int32_t mode, uint32_t *outNumIntents,
1109 int32_t * /*android_render_intent_v1_1_t*/ outIntents) {
1110 if (mode != HAL_COLOR_MODE_NATIVE) {
1111 return HWC2::Error::BadParameter;
1114 if (outIntents == nullptr) {
1116 return HWC2::Error::None;
1119 outIntents[0] = HAL_RENDER_INTENT_COLORIMETRIC;
1120 return HWC2::Error::None;
1123 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorModeWithIntent(int32_t mode,
1125 if (intent < HAL_RENDER_INTENT_COLORIMETRIC ||
1126 intent > HAL_RENDER_INTENT_TONE_MAP_ENHANCE)
1127 return HWC2::Error::BadParameter;
1129 if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG)
1130 return HWC2::Error::BadParameter;
1132 if (mode != HAL_COLOR_MODE_NATIVE)
1133 return HWC2::Error::Unsupported;
1135 if (intent != HAL_RENDER_INTENT_COLORIMETRIC)
1136 return HWC2::Error::Unsupported;
1139 return HWC2::Error::None;
1142 #endif /* PLATFORM_SDK_VERSION > 27 */
1144 HWC2::Error DrmHwcTwo::HwcLayer::SetCursorPosition(int32_t /*x*/,
1146 supported(__func__);
1147 return HWC2::Error::None;
1150 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBlendMode(int32_t mode) {
1151 supported(__func__);
1152 switch (static_cast<HWC2::BlendMode>(mode)) {
1153 case HWC2::BlendMode::None:
1154 blending_ = DrmHwcBlending::kNone;
1156 case HWC2::BlendMode::Premultiplied:
1157 blending_ = DrmHwcBlending::kPreMult;
1159 case HWC2::BlendMode::Coverage:
1160 blending_ = DrmHwcBlending::kCoverage;
1163 ALOGE("Unknown blending mode b=%d", blending_);
1164 blending_ = DrmHwcBlending::kNone;
1167 return HWC2::Error::None;
1170 /* Find API details at:
1171 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=2314
1173 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBuffer(buffer_handle_t buffer,
1174 int32_t acquire_fence) {
1175 supported(__func__);
1178 acquire_fence_ = UniqueFd(acquire_fence);
1179 return HWC2::Error::None;
1182 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t /*color*/) {
1183 // TODO(nobody): Put to client composition here?
1184 supported(__func__);
1185 return HWC2::Error::None;
1188 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerCompositionType(int32_t type) {
1189 sf_type_ = static_cast<HWC2::Composition>(type);
1190 return HWC2::Error::None;
1193 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDataspace(int32_t dataspace) {
1194 supported(__func__);
1195 switch (dataspace & HAL_DATASPACE_STANDARD_MASK) {
1196 case HAL_DATASPACE_STANDARD_BT709:
1197 color_space_ = DrmHwcColorSpace::kItuRec709;
1199 case HAL_DATASPACE_STANDARD_BT601_625:
1200 case HAL_DATASPACE_STANDARD_BT601_625_UNADJUSTED:
1201 case HAL_DATASPACE_STANDARD_BT601_525:
1202 case HAL_DATASPACE_STANDARD_BT601_525_UNADJUSTED:
1203 color_space_ = DrmHwcColorSpace::kItuRec601;
1205 case HAL_DATASPACE_STANDARD_BT2020:
1206 case HAL_DATASPACE_STANDARD_BT2020_CONSTANT_LUMINANCE:
1207 color_space_ = DrmHwcColorSpace::kItuRec2020;
1210 color_space_ = DrmHwcColorSpace::kUndefined;
1213 switch (dataspace & HAL_DATASPACE_RANGE_MASK) {
1214 case HAL_DATASPACE_RANGE_FULL:
1215 sample_range_ = DrmHwcSampleRange::kFullRange;
1217 case HAL_DATASPACE_RANGE_LIMITED:
1218 sample_range_ = DrmHwcSampleRange::kLimitedRange;
1221 sample_range_ = DrmHwcSampleRange::kUndefined;
1223 return HWC2::Error::None;
1226 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDisplayFrame(hwc_rect_t frame) {
1227 supported(__func__);
1228 display_frame_ = frame;
1229 return HWC2::Error::None;
1232 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerPlaneAlpha(float alpha) {
1233 supported(__func__);
1235 return HWC2::Error::None;
1238 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSidebandStream(
1239 const native_handle_t *stream) {
1240 supported(__func__);
1241 // TODO(nobody): We don't support sideband
1242 return unsupported(__func__, stream);
1245 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSourceCrop(hwc_frect_t crop) {
1246 supported(__func__);
1247 source_crop_ = crop;
1248 return HWC2::Error::None;
1251 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSurfaceDamage(hwc_region_t damage) {
1252 supported(__func__);
1253 // TODO(nobody): We don't use surface damage, marking as unsupported
1254 unsupported(__func__, damage);
1255 return HWC2::Error::None;
1258 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerTransform(int32_t transform) {
1259 supported(__func__);
1261 uint32_t l_transform = 0;
1263 // 270* and 180* cannot be combined with flips. More specifically, they
1264 // already contain both horizontal and vertical flips, so those fields are
1265 // redundant in this case. 90* rotation can be combined with either horizontal
1266 // flip or vertical flip, so treat it differently
1267 if (transform == HWC_TRANSFORM_ROT_270) {
1268 l_transform = DrmHwcTransform::kRotate270;
1269 } else if (transform == HWC_TRANSFORM_ROT_180) {
1270 l_transform = DrmHwcTransform::kRotate180;
1272 if (transform & HWC_TRANSFORM_FLIP_H)
1273 l_transform |= DrmHwcTransform::kFlipH;
1274 if (transform & HWC_TRANSFORM_FLIP_V)
1275 l_transform |= DrmHwcTransform::kFlipV;
1276 if (transform & HWC_TRANSFORM_ROT_90)
1277 l_transform |= DrmHwcTransform::kRotate90;
1280 transform_ = static_cast<DrmHwcTransform>(l_transform);
1281 return HWC2::Error::None;
1284 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerVisibleRegion(hwc_region_t visible) {
1285 supported(__func__);
1286 // TODO(nobody): We don't use this information, marking as unsupported
1287 unsupported(__func__, visible);
1288 return HWC2::Error::None;
1291 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerZOrder(uint32_t order) {
1292 supported(__func__);
1294 return HWC2::Error::None;
1297 void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) {
1298 supported(__func__);
1299 layer->sf_handle = buffer_;
1300 // TODO(rsglobal): Avoid extra fd duplication
1301 layer->acquire_fence = UniqueFd(fcntl(acquire_fence_.Get(), F_DUPFD_CLOEXEC));
1302 layer->display_frame = display_frame_;
1303 layer->alpha = lround(65535.0F * alpha_);
1304 layer->blending = blending_;
1305 layer->source_crop = source_crop_;
1306 layer->transform = transform_;
1307 layer->color_space = color_space_;
1308 layer->sample_range = sample_range_;
1311 void DrmHwcTwo::HandleDisplayHotplug(hwc2_display_t displayid, int state) {
1312 const std::lock_guard<std::mutex> lock(callback_lock_);
1314 if (hotplug_callback_.first != nullptr &&
1315 hotplug_callback_.second != nullptr) {
1316 hotplug_callback_.first(hotplug_callback_.second, displayid,
1317 state == DRM_MODE_CONNECTED
1318 ? HWC2_CONNECTION_CONNECTED
1319 : HWC2_CONNECTION_DISCONNECTED);
1323 void DrmHwcTwo::HandleInitialHotplugState(DrmDevice *drmDevice) {
1324 for (const auto &conn : drmDevice->connectors()) {
1325 if (conn->state() != DRM_MODE_CONNECTED)
1327 HandleDisplayHotplug(conn->display(), conn->state());
1331 void DrmHwcTwo::HandleHotplugUEvent() {
1332 for (const auto &drm : resource_manager_.getDrmDevices()) {
1333 for (const auto &conn : drm->connectors()) {
1334 drmModeConnection old_state = conn->state();
1335 drmModeConnection cur_state = conn->UpdateModes()
1336 ? DRM_MODE_UNKNOWNCONNECTION
1339 if (cur_state == old_state)
1342 ALOGI("%s event for connector %u on display %d",
1343 cur_state == DRM_MODE_CONNECTED ? "Plug" : "Unplug", conn->id(),
1346 int display_id = conn->display();
1347 if (cur_state == DRM_MODE_CONNECTED) {
1348 auto &display = displays_.at(display_id);
1349 display.ChosePreferredConfig();
1351 auto &display = displays_.at(display_id);
1352 display.ClearDisplay();
1355 HandleDisplayHotplug(display_id, cur_state);
1361 int DrmHwcTwo::HookDevClose(hw_device_t * /*dev*/) {
1362 unsupported(__func__);
1367 void DrmHwcTwo::HookDevGetCapabilities(hwc2_device_t * /*dev*/,
1368 uint32_t *out_count,
1369 int32_t * /*out_capabilities*/) {
1370 supported(__func__);
1375 hwc2_function_pointer_t DrmHwcTwo::HookDevGetFunction(
1376 struct hwc2_device * /*dev*/, int32_t descriptor) {
1377 supported(__func__);
1378 auto func = static_cast<HWC2::FunctionDescriptor>(descriptor);
1381 case HWC2::FunctionDescriptor::CreateVirtualDisplay:
1382 return ToHook<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>(
1383 DeviceHook<int32_t, decltype(&DrmHwcTwo::CreateVirtualDisplay),
1384 &DrmHwcTwo::CreateVirtualDisplay, uint32_t, uint32_t,
1385 int32_t *, hwc2_display_t *>);
1386 case HWC2::FunctionDescriptor::DestroyVirtualDisplay:
1387 return ToHook<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>(
1388 DeviceHook<int32_t, decltype(&DrmHwcTwo::DestroyVirtualDisplay),
1389 &DrmHwcTwo::DestroyVirtualDisplay, hwc2_display_t>);
1390 case HWC2::FunctionDescriptor::Dump:
1391 return ToHook<HWC2_PFN_DUMP>(
1392 DeviceHook<void, decltype(&DrmHwcTwo::Dump), &DrmHwcTwo::Dump,
1393 uint32_t *, char *>);
1394 case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount:
1395 return ToHook<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>(
1396 DeviceHook<uint32_t, decltype(&DrmHwcTwo::GetMaxVirtualDisplayCount),
1397 &DrmHwcTwo::GetMaxVirtualDisplayCount>);
1398 case HWC2::FunctionDescriptor::RegisterCallback:
1399 return ToHook<HWC2_PFN_REGISTER_CALLBACK>(
1400 DeviceHook<int32_t, decltype(&DrmHwcTwo::RegisterCallback),
1401 &DrmHwcTwo::RegisterCallback, int32_t,
1402 hwc2_callback_data_t, hwc2_function_pointer_t>);
1404 // Display functions
1405 case HWC2::FunctionDescriptor::AcceptDisplayChanges:
1406 return ToHook<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>(
1407 DisplayHook<decltype(&HwcDisplay::AcceptDisplayChanges),
1408 &HwcDisplay::AcceptDisplayChanges>);
1409 case HWC2::FunctionDescriptor::CreateLayer:
1410 return ToHook<HWC2_PFN_CREATE_LAYER>(
1411 DisplayHook<decltype(&HwcDisplay::CreateLayer),
1412 &HwcDisplay::CreateLayer, hwc2_layer_t *>);
1413 case HWC2::FunctionDescriptor::DestroyLayer:
1414 return ToHook<HWC2_PFN_DESTROY_LAYER>(
1415 DisplayHook<decltype(&HwcDisplay::DestroyLayer),
1416 &HwcDisplay::DestroyLayer, hwc2_layer_t>);
1417 case HWC2::FunctionDescriptor::GetActiveConfig:
1418 return ToHook<HWC2_PFN_GET_ACTIVE_CONFIG>(
1419 DisplayHook<decltype(&HwcDisplay::GetActiveConfig),
1420 &HwcDisplay::GetActiveConfig, hwc2_config_t *>);
1421 case HWC2::FunctionDescriptor::GetChangedCompositionTypes:
1422 return ToHook<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>(
1423 DisplayHook<decltype(&HwcDisplay::GetChangedCompositionTypes),
1424 &HwcDisplay::GetChangedCompositionTypes, uint32_t *,
1425 hwc2_layer_t *, int32_t *>);
1426 case HWC2::FunctionDescriptor::GetClientTargetSupport:
1427 return ToHook<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(
1428 DisplayHook<decltype(&HwcDisplay::GetClientTargetSupport),
1429 &HwcDisplay::GetClientTargetSupport, uint32_t, uint32_t,
1431 case HWC2::FunctionDescriptor::GetColorModes:
1432 return ToHook<HWC2_PFN_GET_COLOR_MODES>(
1433 DisplayHook<decltype(&HwcDisplay::GetColorModes),
1434 &HwcDisplay::GetColorModes, uint32_t *, int32_t *>);
1435 case HWC2::FunctionDescriptor::GetDisplayAttribute:
1436 return ToHook<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(
1437 DisplayHook<decltype(&HwcDisplay::GetDisplayAttribute),
1438 &HwcDisplay::GetDisplayAttribute, hwc2_config_t, int32_t,
1440 case HWC2::FunctionDescriptor::GetDisplayConfigs:
1441 return ToHook<HWC2_PFN_GET_DISPLAY_CONFIGS>(
1442 DisplayHook<decltype(&HwcDisplay::GetDisplayConfigs),
1443 &HwcDisplay::GetDisplayConfigs, uint32_t *,
1445 case HWC2::FunctionDescriptor::GetDisplayName:
1446 return ToHook<HWC2_PFN_GET_DISPLAY_NAME>(
1447 DisplayHook<decltype(&HwcDisplay::GetDisplayName),
1448 &HwcDisplay::GetDisplayName, uint32_t *, char *>);
1449 case HWC2::FunctionDescriptor::GetDisplayRequests:
1450 return ToHook<HWC2_PFN_GET_DISPLAY_REQUESTS>(
1451 DisplayHook<decltype(&HwcDisplay::GetDisplayRequests),
1452 &HwcDisplay::GetDisplayRequests, int32_t *, uint32_t *,
1453 hwc2_layer_t *, int32_t *>);
1454 case HWC2::FunctionDescriptor::GetDisplayType:
1455 return ToHook<HWC2_PFN_GET_DISPLAY_TYPE>(
1456 DisplayHook<decltype(&HwcDisplay::GetDisplayType),
1457 &HwcDisplay::GetDisplayType, int32_t *>);
1458 case HWC2::FunctionDescriptor::GetDozeSupport:
1459 return ToHook<HWC2_PFN_GET_DOZE_SUPPORT>(
1460 DisplayHook<decltype(&HwcDisplay::GetDozeSupport),
1461 &HwcDisplay::GetDozeSupport, int32_t *>);
1462 case HWC2::FunctionDescriptor::GetHdrCapabilities:
1463 return ToHook<HWC2_PFN_GET_HDR_CAPABILITIES>(
1464 DisplayHook<decltype(&HwcDisplay::GetHdrCapabilities),
1465 &HwcDisplay::GetHdrCapabilities, uint32_t *, int32_t *,
1466 float *, float *, float *>);
1467 case HWC2::FunctionDescriptor::GetReleaseFences:
1468 return ToHook<HWC2_PFN_GET_RELEASE_FENCES>(
1469 DisplayHook<decltype(&HwcDisplay::GetReleaseFences),
1470 &HwcDisplay::GetReleaseFences, uint32_t *, hwc2_layer_t *,
1472 case HWC2::FunctionDescriptor::PresentDisplay:
1473 return ToHook<HWC2_PFN_PRESENT_DISPLAY>(
1474 DisplayHook<decltype(&HwcDisplay::PresentDisplay),
1475 &HwcDisplay::PresentDisplay, int32_t *>);
1476 case HWC2::FunctionDescriptor::SetActiveConfig:
1477 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG>(
1478 DisplayHook<decltype(&HwcDisplay::SetActiveConfig),
1479 &HwcDisplay::SetActiveConfig, hwc2_config_t>);
1480 case HWC2::FunctionDescriptor::SetClientTarget:
1481 return ToHook<HWC2_PFN_SET_CLIENT_TARGET>(
1482 DisplayHook<decltype(&HwcDisplay::SetClientTarget),
1483 &HwcDisplay::SetClientTarget, buffer_handle_t, int32_t,
1484 int32_t, hwc_region_t>);
1485 case HWC2::FunctionDescriptor::SetColorMode:
1486 return ToHook<HWC2_PFN_SET_COLOR_MODE>(
1487 DisplayHook<decltype(&HwcDisplay::SetColorMode),
1488 &HwcDisplay::SetColorMode, int32_t>);
1489 case HWC2::FunctionDescriptor::SetColorTransform:
1490 return ToHook<HWC2_PFN_SET_COLOR_TRANSFORM>(
1491 DisplayHook<decltype(&HwcDisplay::SetColorTransform),
1492 &HwcDisplay::SetColorTransform, const float *, int32_t>);
1493 case HWC2::FunctionDescriptor::SetOutputBuffer:
1494 return ToHook<HWC2_PFN_SET_OUTPUT_BUFFER>(
1495 DisplayHook<decltype(&HwcDisplay::SetOutputBuffer),
1496 &HwcDisplay::SetOutputBuffer, buffer_handle_t, int32_t>);
1497 case HWC2::FunctionDescriptor::SetPowerMode:
1498 return ToHook<HWC2_PFN_SET_POWER_MODE>(
1499 DisplayHook<decltype(&HwcDisplay::SetPowerMode),
1500 &HwcDisplay::SetPowerMode, int32_t>);
1501 case HWC2::FunctionDescriptor::SetVsyncEnabled:
1502 return ToHook<HWC2_PFN_SET_VSYNC_ENABLED>(
1503 DisplayHook<decltype(&HwcDisplay::SetVsyncEnabled),
1504 &HwcDisplay::SetVsyncEnabled, int32_t>);
1505 case HWC2::FunctionDescriptor::ValidateDisplay:
1506 return ToHook<HWC2_PFN_VALIDATE_DISPLAY>(
1507 DisplayHook<decltype(&HwcDisplay::ValidateDisplay),
1508 &HwcDisplay::ValidateDisplay, uint32_t *, uint32_t *>);
1509 #if PLATFORM_SDK_VERSION > 27
1510 case HWC2::FunctionDescriptor::GetRenderIntents:
1511 return ToHook<HWC2_PFN_GET_RENDER_INTENTS>(
1512 DisplayHook<decltype(&HwcDisplay::GetRenderIntents),
1513 &HwcDisplay::GetRenderIntents, int32_t, uint32_t *,
1515 case HWC2::FunctionDescriptor::SetColorModeWithRenderIntent:
1516 return ToHook<HWC2_PFN_SET_COLOR_MODE_WITH_RENDER_INTENT>(
1517 DisplayHook<decltype(&HwcDisplay::SetColorModeWithIntent),
1518 &HwcDisplay::SetColorModeWithIntent, int32_t, int32_t>);
1520 #if PLATFORM_SDK_VERSION > 28
1521 case HWC2::FunctionDescriptor::GetDisplayIdentificationData:
1522 return ToHook<HWC2_PFN_GET_DISPLAY_IDENTIFICATION_DATA>(
1523 DisplayHook<decltype(&HwcDisplay::GetDisplayIdentificationData),
1524 &HwcDisplay::GetDisplayIdentificationData, uint8_t *,
1525 uint32_t *, uint8_t *>);
1526 case HWC2::FunctionDescriptor::GetDisplayCapabilities:
1527 return ToHook<HWC2_PFN_GET_DISPLAY_CAPABILITIES>(
1528 DisplayHook<decltype(&HwcDisplay::GetDisplayCapabilities),
1529 &HwcDisplay::GetDisplayCapabilities, uint32_t *,
1531 case HWC2::FunctionDescriptor::GetDisplayBrightnessSupport:
1532 return ToHook<HWC2_PFN_GET_DISPLAY_BRIGHTNESS_SUPPORT>(
1533 DisplayHook<decltype(&HwcDisplay::GetDisplayBrightnessSupport),
1534 &HwcDisplay::GetDisplayBrightnessSupport, bool *>);
1535 case HWC2::FunctionDescriptor::SetDisplayBrightness:
1536 return ToHook<HWC2_PFN_SET_DISPLAY_BRIGHTNESS>(
1537 DisplayHook<decltype(&HwcDisplay::SetDisplayBrightness),
1538 &HwcDisplay::SetDisplayBrightness, float>);
1539 #endif /* PLATFORM_SDK_VERSION > 28 */
1540 #if PLATFORM_SDK_VERSION > 29
1541 case HWC2::FunctionDescriptor::GetDisplayConnectionType:
1542 return ToHook<HWC2_PFN_GET_DISPLAY_CONNECTION_TYPE>(
1543 DisplayHook<decltype(&HwcDisplay::GetDisplayConnectionType),
1544 &HwcDisplay::GetDisplayConnectionType, uint32_t *>);
1545 case HWC2::FunctionDescriptor::GetDisplayVsyncPeriod:
1546 return ToHook<HWC2_PFN_GET_DISPLAY_VSYNC_PERIOD>(
1547 DisplayHook<decltype(&HwcDisplay::GetDisplayVsyncPeriod),
1548 &HwcDisplay::GetDisplayVsyncPeriod,
1549 hwc2_vsync_period_t *>);
1550 case HWC2::FunctionDescriptor::SetActiveConfigWithConstraints:
1551 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG_WITH_CONSTRAINTS>(
1552 DisplayHook<decltype(&HwcDisplay::SetActiveConfigWithConstraints),
1553 &HwcDisplay::SetActiveConfigWithConstraints,
1554 hwc2_config_t, hwc_vsync_period_change_constraints_t *,
1555 hwc_vsync_period_change_timeline_t *>);
1556 case HWC2::FunctionDescriptor::SetAutoLowLatencyMode:
1557 return ToHook<HWC2_PFN_SET_AUTO_LOW_LATENCY_MODE>(
1558 DisplayHook<decltype(&HwcDisplay::SetAutoLowLatencyMode),
1559 &HwcDisplay::SetAutoLowLatencyMode, bool>);
1560 case HWC2::FunctionDescriptor::GetSupportedContentTypes:
1561 return ToHook<HWC2_PFN_GET_SUPPORTED_CONTENT_TYPES>(
1562 DisplayHook<decltype(&HwcDisplay::GetSupportedContentTypes),
1563 &HwcDisplay::GetSupportedContentTypes, uint32_t *,
1565 case HWC2::FunctionDescriptor::SetContentType:
1566 return ToHook<HWC2_PFN_SET_CONTENT_TYPE>(
1567 DisplayHook<decltype(&HwcDisplay::SetContentType),
1568 &HwcDisplay::SetContentType, int32_t>);
1571 case HWC2::FunctionDescriptor::SetCursorPosition:
1572 return ToHook<HWC2_PFN_SET_CURSOR_POSITION>(
1573 LayerHook<decltype(&HwcLayer::SetCursorPosition),
1574 &HwcLayer::SetCursorPosition, int32_t, int32_t>);
1575 case HWC2::FunctionDescriptor::SetLayerBlendMode:
1576 return ToHook<HWC2_PFN_SET_LAYER_BLEND_MODE>(
1577 LayerHook<decltype(&HwcLayer::SetLayerBlendMode),
1578 &HwcLayer::SetLayerBlendMode, int32_t>);
1579 case HWC2::FunctionDescriptor::SetLayerBuffer:
1580 return ToHook<HWC2_PFN_SET_LAYER_BUFFER>(
1581 LayerHook<decltype(&HwcLayer::SetLayerBuffer),
1582 &HwcLayer::SetLayerBuffer, buffer_handle_t, int32_t>);
1583 case HWC2::FunctionDescriptor::SetLayerColor:
1584 return ToHook<HWC2_PFN_SET_LAYER_COLOR>(
1585 LayerHook<decltype(&HwcLayer::SetLayerColor),
1586 &HwcLayer::SetLayerColor, hwc_color_t>);
1587 case HWC2::FunctionDescriptor::SetLayerCompositionType:
1588 return ToHook<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>(
1589 LayerHook<decltype(&HwcLayer::SetLayerCompositionType),
1590 &HwcLayer::SetLayerCompositionType, int32_t>);
1591 case HWC2::FunctionDescriptor::SetLayerDataspace:
1592 return ToHook<HWC2_PFN_SET_LAYER_DATASPACE>(
1593 LayerHook<decltype(&HwcLayer::SetLayerDataspace),
1594 &HwcLayer::SetLayerDataspace, int32_t>);
1595 case HWC2::FunctionDescriptor::SetLayerDisplayFrame:
1596 return ToHook<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>(
1597 LayerHook<decltype(&HwcLayer::SetLayerDisplayFrame),
1598 &HwcLayer::SetLayerDisplayFrame, hwc_rect_t>);
1599 case HWC2::FunctionDescriptor::SetLayerPlaneAlpha:
1600 return ToHook<HWC2_PFN_SET_LAYER_PLANE_ALPHA>(
1601 LayerHook<decltype(&HwcLayer::SetLayerPlaneAlpha),
1602 &HwcLayer::SetLayerPlaneAlpha, float>);
1603 case HWC2::FunctionDescriptor::SetLayerSidebandStream:
1604 return ToHook<HWC2_PFN_SET_LAYER_SIDEBAND_STREAM>(
1605 LayerHook<decltype(&HwcLayer::SetLayerSidebandStream),
1606 &HwcLayer::SetLayerSidebandStream,
1607 const native_handle_t *>);
1608 case HWC2::FunctionDescriptor::SetLayerSourceCrop:
1609 return ToHook<HWC2_PFN_SET_LAYER_SOURCE_CROP>(
1610 LayerHook<decltype(&HwcLayer::SetLayerSourceCrop),
1611 &HwcLayer::SetLayerSourceCrop, hwc_frect_t>);
1612 case HWC2::FunctionDescriptor::SetLayerSurfaceDamage:
1613 return ToHook<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>(
1614 LayerHook<decltype(&HwcLayer::SetLayerSurfaceDamage),
1615 &HwcLayer::SetLayerSurfaceDamage, hwc_region_t>);
1616 case HWC2::FunctionDescriptor::SetLayerTransform:
1617 return ToHook<HWC2_PFN_SET_LAYER_TRANSFORM>(
1618 LayerHook<decltype(&HwcLayer::SetLayerTransform),
1619 &HwcLayer::SetLayerTransform, int32_t>);
1620 case HWC2::FunctionDescriptor::SetLayerVisibleRegion:
1621 return ToHook<HWC2_PFN_SET_LAYER_VISIBLE_REGION>(
1622 LayerHook<decltype(&HwcLayer::SetLayerVisibleRegion),
1623 &HwcLayer::SetLayerVisibleRegion, hwc_region_t>);
1624 case HWC2::FunctionDescriptor::SetLayerZOrder:
1625 return ToHook<HWC2_PFN_SET_LAYER_Z_ORDER>(
1626 LayerHook<decltype(&HwcLayer::SetLayerZOrder),
1627 &HwcLayer::SetLayerZOrder, uint32_t>);
1628 case HWC2::FunctionDescriptor::Invalid:
1635 int DrmHwcTwo::HookDevOpen(const struct hw_module_t *module, const char *name,
1636 struct hw_device_t **dev) {
1637 supported(__func__);
1638 if (strcmp(name, HWC_HARDWARE_COMPOSER) != 0) {
1639 ALOGE("Invalid module name- %s", name);
1643 std::unique_ptr<DrmHwcTwo> ctx(new DrmHwcTwo());
1645 ALOGE("Failed to allocate DrmHwcTwo");
1649 HWC2::Error err = ctx->Init();
1650 if (err != HWC2::Error::None) {
1651 ALOGE("Failed to initialize DrmHwcTwo err=%d\n", err);
1655 ctx->common.module = (hw_module_t *)module;
1656 *dev = &ctx->common;
1657 ctx.release(); // NOLINT(bugprone-unused-return-value)
1660 } // namespace android
1662 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
1663 static struct hw_module_methods_t hwc2_module_methods = {
1664 .open = android::DrmHwcTwo::HookDevOpen,
1667 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
1668 hw_module_t HAL_MODULE_INFO_SYM = {
1669 .tag = HARDWARE_MODULE_TAG,
1670 .module_api_version = HARDWARE_MODULE_API_VERSION(2, 0),
1671 .id = HWC_HARDWARE_MODULE_ID,
1672 .name = "DrmHwcTwo module",
1673 .author = "The Android Open Source Project",
1674 .methods = &hwc2_module_methods,