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 HWC2::Error DrmHwcTwo::CreateVirtualDisplay(uint32_t /*width*/,
99 hwc2_display_t * /*display*/) {
100 // TODO(nobody): Implement virtual display
101 return HWC2::Error::Unsupported;
104 HWC2::Error DrmHwcTwo::DestroyVirtualDisplay(hwc2_display_t /*display*/) {
105 // TODO(nobody): Implement virtual display
106 return HWC2::Error::Unsupported;
109 std::string DrmHwcTwo::HwcDisplay::DumpDelta(
110 DrmHwcTwo::HwcDisplay::Stats delta) {
111 if (delta.total_pixops_ == 0)
112 return "No stats yet";
113 double ratio = 1.0 - double(delta.gpu_pixops_) / double(delta.total_pixops_);
115 std::stringstream ss;
116 ss << " Total frames count: " << delta.total_frames_ << "\n"
117 << " Failed to test commit frames: " << delta.failed_kms_validate_ << "\n"
118 << " Failed to commit frames: " << delta.failed_kms_present_ << "\n"
119 << ((delta.failed_kms_present_ > 0)
120 ? " !!! Internal failure, FIX it please\n"
122 << " Flattened frames: " << delta.frames_flattened_ << "\n"
123 << " Pixel operations (free units)"
124 << " : [TOTAL: " << delta.total_pixops_ << " / GPU: " << delta.gpu_pixops_
126 << " Composition efficiency: " << ratio;
131 std::string DrmHwcTwo::HwcDisplay::Dump() {
132 std::string flattening_state_str;
133 switch (flattenning_state_) {
134 case ClientFlattenningState::Disabled:
135 flattening_state_str = "Disabled";
137 case ClientFlattenningState::NotRequired:
138 flattening_state_str = "Not needed";
140 case ClientFlattenningState::Flattened:
141 flattening_state_str = "Active";
143 case ClientFlattenningState::ClientRefreshRequested:
144 flattening_state_str = "Refresh requested";
147 flattening_state_str = std::to_string(flattenning_state_) +
151 std::stringstream ss;
152 ss << "- Display on: " << connector_->name() << "\n"
153 << " Flattening state: " << flattening_state_str << "\n"
154 << "Statistics since system boot:\n"
155 << DumpDelta(total_stats_) << "\n\n"
156 << "Statistics since last dumpsys request:\n"
157 << DumpDelta(total_stats_.minus(prev_stats_)) << "\n\n";
159 memcpy(&prev_stats_, &total_stats_, sizeof(Stats));
163 void DrmHwcTwo::Dump(uint32_t *outSize, char *outBuffer) {
164 if (outBuffer != nullptr) {
165 auto copied_bytes = mDumpString.copy(outBuffer, *outSize);
166 *outSize = static_cast<uint32_t>(copied_bytes);
170 std::stringstream output;
172 output << "-- drm_hwcomposer --\n\n";
174 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &dp : displays_)
175 output << dp.second.Dump();
177 mDumpString = output.str();
178 *outSize = static_cast<uint32_t>(mDumpString.size());
181 uint32_t DrmHwcTwo::GetMaxVirtualDisplayCount() {
182 // TODO(nobody): Implement virtual display
186 HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor,
187 hwc2_callback_data_t data,
188 hwc2_function_pointer_t function) {
189 std::unique_lock<std::mutex> lock(callback_lock_);
191 switch (static_cast<HWC2::Callback>(descriptor)) {
192 case HWC2::Callback::Hotplug: {
193 hotplug_callback_ = std::make_pair(HWC2_PFN_HOTPLUG(function), data);
195 const auto &drm_devices = resource_manager_.getDrmDevices();
196 for (const auto &device : drm_devices)
197 HandleInitialHotplugState(device.get());
200 case HWC2::Callback::Refresh: {
201 refresh_callback_ = std::make_pair(HWC2_PFN_REFRESH(function), data);
204 case HWC2::Callback::Vsync: {
205 vsync_callback_ = std::make_pair(HWC2_PFN_VSYNC(function), data);
208 #if PLATFORM_SDK_VERSION > 29
209 case HWC2::Callback::Vsync_2_4: {
210 vsync_2_4_callback_ = std::make_pair(HWC2_PFN_VSYNC_2_4(function), data);
217 return HWC2::Error::None;
220 DrmHwcTwo::HwcDisplay::HwcDisplay(ResourceManager *resource_manager,
221 DrmDevice *drm, hwc2_display_t handle,
222 HWC2::DisplayType type, DrmHwcTwo *hwc2)
224 resource_manager_(resource_manager),
228 color_transform_hint_(HAL_COLOR_TRANSFORM_IDENTITY) {
230 color_transform_matrix_ = {1.0, 0.0, 0.0, 0.0,
237 void DrmHwcTwo::HwcDisplay::ClearDisplay() {
238 AtomicCommitArgs a_args = {.clear_active_composition = true};
239 compositor_.ExecuteAtomicCommit(a_args);
242 HWC2::Error DrmHwcTwo::HwcDisplay::Init(std::vector<DrmPlane *> *planes) {
243 planner_ = Planner::CreateInstance(drm_);
245 ALOGE("Failed to create planner instance for composition");
246 return HWC2::Error::NoResources;
249 int display = static_cast<int>(handle_);
250 int ret = compositor_.Init(resource_manager_, display);
252 ALOGE("Failed display compositor init for display %d (%d)", display, ret);
253 return HWC2::Error::NoResources;
256 // Split up the given display planes into primary and overlay to properly
257 // interface with the composition
258 char use_overlay_planes_prop[PROPERTY_VALUE_MAX];
259 property_get("vendor.hwc.drm.use_overlay_planes", use_overlay_planes_prop,
261 bool use_overlay_planes = strtol(use_overlay_planes_prop, nullptr, 10);
262 for (auto &plane : *planes) {
263 if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
264 primary_planes_.push_back(plane);
265 else if (use_overlay_planes && (plane)->type() == DRM_PLANE_TYPE_OVERLAY)
266 overlay_planes_.push_back(plane);
269 crtc_ = drm_->GetCrtcForDisplay(display);
271 ALOGE("Failed to get crtc for display %d", display);
272 return HWC2::Error::BadDisplay;
275 connector_ = drm_->GetConnectorForDisplay(display);
277 ALOGE("Failed to get connector for display %d", display);
278 return HWC2::Error::BadDisplay;
281 ret = vsync_worker_.Init(drm_, display, [this](int64_t timestamp) {
282 const std::lock_guard<std::mutex> lock(hwc2_->callback_lock_);
284 #if PLATFORM_SDK_VERSION > 29
285 if (hwc2_->vsync_2_4_callback_.first != nullptr &&
286 hwc2_->vsync_2_4_callback_.second != nullptr) {
287 hwc2_vsync_period_t period_ns{};
288 GetDisplayVsyncPeriod(&period_ns);
289 hwc2_->vsync_2_4_callback_.first(hwc2_->vsync_2_4_callback_.second,
290 handle_, timestamp, period_ns);
293 if (hwc2_->vsync_callback_.first != nullptr &&
294 hwc2_->vsync_callback_.second != nullptr) {
295 hwc2_->vsync_callback_.first(hwc2_->vsync_callback_.second, handle_,
300 ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
301 return HWC2::Error::BadDisplay;
304 ret = flattening_vsync_worker_.Init(drm_, display, [this](int64_t /*timestamp*/) {
305 const std::lock_guard<std::mutex> lock(hwc2_->callback_lock_);
306 /* Frontend flattening */
307 if (flattenning_state_ > ClientFlattenningState::ClientRefreshRequested &&
308 --flattenning_state_ ==
309 ClientFlattenningState::ClientRefreshRequested &&
310 hwc2_->refresh_callback_.first != nullptr &&
311 hwc2_->refresh_callback_.second != nullptr) {
312 hwc2_->refresh_callback_.first(hwc2_->refresh_callback_.second, handle_);
313 flattening_vsync_worker_.VSyncControl(false);
317 ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
318 return HWC2::Error::BadDisplay;
321 ret = BackendManager::GetInstance().SetBackendForDisplay(this);
323 ALOGE("Failed to set backend for d=%d %d\n", display, ret);
324 return HWC2::Error::BadDisplay;
327 client_layer_.SetLayerBlendMode(HWC2_BLEND_MODE_PREMULTIPLIED);
329 return ChosePreferredConfig();
332 HWC2::Error DrmHwcTwo::HwcDisplay::ChosePreferredConfig() {
333 // Fetch the number of modes from the display
334 uint32_t num_configs = 0;
335 HWC2::Error err = GetDisplayConfigs(&num_configs, nullptr);
336 if (err != HWC2::Error::None || !num_configs)
337 return HWC2::Error::BadDisplay;
339 return SetActiveConfig(preferred_config_id_);
342 HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() {
343 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_)
344 l.second.accept_type_change();
345 return HWC2::Error::None;
348 HWC2::Error DrmHwcTwo::HwcDisplay::CreateLayer(hwc2_layer_t *layer) {
349 layers_.emplace(static_cast<hwc2_layer_t>(layer_idx_), HwcLayer());
350 *layer = static_cast<hwc2_layer_t>(layer_idx_);
352 return HWC2::Error::None;
355 HWC2::Error DrmHwcTwo::HwcDisplay::DestroyLayer(hwc2_layer_t layer) {
356 if (!get_layer(layer))
357 return HWC2::Error::BadLayer;
359 layers_.erase(layer);
360 return HWC2::Error::None;
363 HWC2::Error DrmHwcTwo::HwcDisplay::GetActiveConfig(
364 hwc2_config_t *config) const {
365 if (hwc_configs_.count(active_config_id_) == 0)
366 return HWC2::Error::BadConfig;
368 *config = active_config_id_;
369 return HWC2::Error::None;
372 HWC2::Error DrmHwcTwo::HwcDisplay::GetChangedCompositionTypes(
373 uint32_t *num_elements, hwc2_layer_t *layers, int32_t *types) {
374 uint32_t num_changes = 0;
375 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
376 if (l.second.type_changed()) {
377 if (layers && num_changes < *num_elements)
378 layers[num_changes] = l.first;
379 if (types && num_changes < *num_elements)
380 types[num_changes] = static_cast<int32_t>(l.second.validated_type());
384 if (!layers && !types)
385 *num_elements = num_changes;
386 return HWC2::Error::None;
389 HWC2::Error DrmHwcTwo::HwcDisplay::GetClientTargetSupport(uint32_t width,
393 std::pair<uint32_t, uint32_t> min = drm_->min_resolution();
394 std::pair<uint32_t, uint32_t> max = drm_->max_resolution();
396 if (width < min.first || height < min.second)
397 return HWC2::Error::Unsupported;
399 if (width > max.first || height > max.second)
400 return HWC2::Error::Unsupported;
402 if (dataspace != HAL_DATASPACE_UNKNOWN)
403 return HWC2::Error::Unsupported;
405 // TODO(nobody): Validate format can be handled by either GL or planes
406 return HWC2::Error::None;
409 HWC2::Error DrmHwcTwo::HwcDisplay::GetColorModes(uint32_t *num_modes,
415 *modes = HAL_COLOR_MODE_NATIVE;
417 return HWC2::Error::None;
420 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayAttribute(hwc2_config_t config,
421 int32_t attribute_in,
423 int conf = static_cast<int>(config);
425 if (hwc_configs_.count(conf) == 0) {
426 ALOGE("Could not find active mode for %d", conf);
427 return HWC2::Error::BadConfig;
430 auto &hwc_config = hwc_configs_[conf];
432 static const int32_t kUmPerInch = 25400;
433 uint32_t mm_width = connector_->mm_width();
434 uint32_t mm_height = connector_->mm_height();
435 auto attribute = static_cast<HWC2::Attribute>(attribute_in);
437 case HWC2::Attribute::Width:
438 *value = static_cast<int>(hwc_config.mode.h_display());
440 case HWC2::Attribute::Height:
441 *value = static_cast<int>(hwc_config.mode.v_display());
443 case HWC2::Attribute::VsyncPeriod:
445 *value = static_cast<int>(1E9 / hwc_config.mode.v_refresh());
447 case HWC2::Attribute::DpiX:
448 // Dots per 1000 inches
449 *value = mm_width ? static_cast<int>(hwc_config.mode.h_display() *
450 kUmPerInch / mm_width)
453 case HWC2::Attribute::DpiY:
454 // Dots per 1000 inches
455 *value = mm_height ? static_cast<int>(hwc_config.mode.v_display() *
456 kUmPerInch / mm_height)
459 #if PLATFORM_SDK_VERSION > 29
460 case HWC2::Attribute::ConfigGroup:
461 /* Dispite ConfigGroup is a part of HWC2.4 API, framework
462 * able to request it even if service @2.1 is used */
463 *value = hwc_config.group_id;
468 return HWC2::Error::BadConfig;
470 return HWC2::Error::None;
473 // NOLINTNEXTLINE (readability-function-cognitive-complexity): Fixme
474 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConfigs(uint32_t *num_configs,
475 hwc2_config_t *configs) {
476 // Since this callback is normally invoked twice (once to get the count, and
477 // once to populate configs), we don't really want to read the edid
478 // redundantly. Instead, only update the modes on the first invocation. While
479 // it's possible this will result in stale modes, it'll all come out in the
480 // wash when we try to set the active config later.
482 int ret = connector_->UpdateModes();
484 ALOGE("Failed to update display modes %d", ret);
485 return HWC2::Error::BadDisplay;
488 hwc_configs_.clear();
489 preferred_config_id_ = 0;
490 int preferred_config_group_id_ = 0;
492 if (connector_->modes().empty()) {
493 ALOGE("No modes reported by KMS");
494 return HWC2::Error::BadDisplay;
497 int last_config_id = 1;
498 int last_group_id = 1;
501 for (const auto &mode : connector_->modes()) {
502 /* Find group for the new mode or create new group */
504 for (auto &hwc_config : hwc_configs_) {
505 if (mode.h_display() == hwc_config.second.mode.h_display() &&
506 mode.v_display() == hwc_config.second.mode.v_display()) {
507 group_found = hwc_config.second.group_id;
510 if (group_found == 0) {
511 group_found = last_group_id++;
514 bool disabled = false;
515 if (mode.flags() & DRM_MODE_FLAG_3D_MASK) {
516 ALOGI("Disabling display mode %s (Modes with 3D flag aren't supported)",
517 mode.name().c_str());
522 hwc_configs_[last_config_id] = {
523 .id = last_config_id,
524 .group_id = group_found,
526 .disabled = disabled,
529 /* Chwck if the mode is preferred */
530 if ((mode.type() & DRM_MODE_TYPE_PREFERRED) != 0 &&
531 preferred_config_id_ == 0) {
532 preferred_config_id_ = last_config_id;
533 preferred_config_group_id_ = group_found;
539 /* We must have preferred mode. Set first mode as preferred
540 * in case KMS haven't reported anything. */
541 if (preferred_config_id_ == 0) {
542 preferred_config_id_ = 1;
543 preferred_config_group_id_ = 1;
546 for (int group = 1; group < last_group_id; group++) {
547 bool has_interlaced = false;
548 bool has_progressive = false;
549 for (auto &hwc_config : hwc_configs_) {
550 if (hwc_config.second.group_id != group || hwc_config.second.disabled) {
554 if (hwc_config.second.IsInterlaced()) {
555 has_interlaced = true;
557 has_progressive = true;
561 bool has_both = has_interlaced && has_progressive;
566 bool group_contains_preferred_interlaced = false;
567 if (group == preferred_config_group_id_ &&
568 hwc_configs_[preferred_config_id_].IsInterlaced()) {
569 group_contains_preferred_interlaced = true;
572 for (auto &hwc_config : hwc_configs_) {
573 if (hwc_config.second.group_id != group || hwc_config.second.disabled) {
577 bool disable = group_contains_preferred_interlaced
578 ? !hwc_config.second.IsInterlaced()
579 : hwc_config.second.IsInterlaced();
583 "Group %i: Disabling display mode %s (This group should consist "
585 group, hwc_config.second.mode.name().c_str(),
586 group_contains_preferred_interlaced ? "interlaced"
589 hwc_config.second.disabled = true;
594 /* Group should not contain 2 modes with FPS delta less than ~1HZ
595 * otherwise android.graphics.cts.SetFrameRateTest CTS will fail
597 for (int m1 = 1; m1 < last_config_id; m1++) {
598 for (int m2 = 1; m2 < last_config_id; m2++) {
600 hwc_configs_[m1].group_id == hwc_configs_[m2].group_id &&
601 !hwc_configs_[m1].disabled && !hwc_configs_[m2].disabled &&
602 fabsf(hwc_configs_[m1].mode.v_refresh() -
603 hwc_configs_[m2].mode.v_refresh()) < 1.0) {
605 "Group %i: Disabling display mode %s (Refresh rate value is "
606 "too close to existing mode %s)",
607 hwc_configs_[m2].group_id, hwc_configs_[m2].mode.name().c_str(),
608 hwc_configs_[m1].mode.name().c_str());
610 hwc_configs_[m2].disabled = true;
617 for (auto &hwc_config : hwc_configs_) {
618 if (hwc_config.second.disabled) {
622 if (configs != nullptr) {
623 if (idx >= *num_configs) {
626 configs[idx] = hwc_config.second.id;
632 return HWC2::Error::None;
635 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayName(uint32_t *size, char *name) {
636 std::ostringstream stream;
637 stream << "display-" << connector_->id();
638 std::string string = stream.str();
639 size_t length = string.length();
642 return HWC2::Error::None;
645 *size = std::min<uint32_t>(static_cast<uint32_t>(length - 1), *size);
646 strncpy(name, string.c_str(), *size);
647 return HWC2::Error::None;
650 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayRequests(
651 int32_t * /*display_requests*/, uint32_t *num_elements,
652 hwc2_layer_t * /*layers*/, int32_t * /*layer_requests*/) {
653 // TODO(nobody): I think virtual display should request
654 // HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here
656 return HWC2::Error::None;
659 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayType(int32_t *type) {
660 *type = static_cast<int32_t>(type_);
661 return HWC2::Error::None;
664 HWC2::Error DrmHwcTwo::HwcDisplay::GetDozeSupport(int32_t *support) {
666 return HWC2::Error::None;
669 HWC2::Error DrmHwcTwo::HwcDisplay::GetHdrCapabilities(
670 uint32_t *num_types, int32_t * /*types*/, float * /*max_luminance*/,
671 float * /*max_average_luminance*/, float * /*min_luminance*/) {
673 return HWC2::Error::None;
676 /* Find API details at:
677 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1767
679 HWC2::Error DrmHwcTwo::HwcDisplay::GetReleaseFences(uint32_t *num_elements,
680 hwc2_layer_t *layers,
682 uint32_t num_layers = 0;
684 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
686 if (layers == nullptr || fences == nullptr)
689 if (num_layers > *num_elements) {
690 ALOGW("Overflow num_elements %d/%d", num_layers, *num_elements);
691 return HWC2::Error::None;
694 layers[num_layers - 1] = l.first;
695 fences[num_layers - 1] = l.second.release_fence_.Release();
697 *num_elements = num_layers;
698 return HWC2::Error::None;
701 HWC2::Error DrmHwcTwo::HwcDisplay::CreateComposition(AtomicCommitArgs &a_args) {
702 // order the layers by z-order
703 bool use_client_layer = false;
704 uint32_t client_z_order = UINT32_MAX;
705 std::map<uint32_t, DrmHwcTwo::HwcLayer *> z_map;
706 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
707 switch (l.second.validated_type()) {
708 case HWC2::Composition::Device:
709 z_map.emplace(std::make_pair(l.second.z_order(), &l.second));
711 case HWC2::Composition::Client:
712 // Place it at the z_order of the lowest client layer
713 use_client_layer = true;
714 client_z_order = std::min(client_z_order, l.second.z_order());
720 if (use_client_layer)
721 z_map.emplace(std::make_pair(client_z_order, &client_layer_));
724 return HWC2::Error::BadLayer;
726 std::vector<DrmHwcLayer> composition_layers;
728 // now that they're ordered by z, add them to the composition
729 for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
731 l.second->PopulateDrmLayer(&layer);
732 int ret = layer.ImportBuffer(drm_);
734 ALOGE("Failed to import layer, ret=%d", ret);
735 return HWC2::Error::NoResources;
737 composition_layers.emplace_back(std::move(layer));
740 auto composition = std::make_shared<DrmDisplayComposition>(crtc_,
743 // TODO(nobody): Don't always assume geometry changed
744 int ret = composition->SetLayers(composition_layers.data(),
745 composition_layers.size());
747 ALOGE("Failed to set layers in the composition ret=%d", ret);
748 return HWC2::Error::BadLayer;
751 std::vector<DrmPlane *> primary_planes(primary_planes_);
752 std::vector<DrmPlane *> overlay_planes(overlay_planes_);
753 ret = composition->Plan(&primary_planes, &overlay_planes);
755 ALOGV("Failed to plan the composition ret=%d", ret);
756 return HWC2::Error::BadConfig;
759 a_args.composition = composition;
761 a_args.display_mode = *staged_mode;
763 ret = compositor_.ExecuteAtomicCommit(a_args);
766 if (!a_args.test_only)
767 ALOGE("Failed to apply the frame composition ret=%d", ret);
768 return HWC2::Error::BadParameter;
771 if (!a_args.test_only) {
775 return HWC2::Error::None;
778 /* Find API details at:
779 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1805
781 HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *present_fence) {
784 ++total_stats_.total_frames_;
786 AtomicCommitArgs a_args{};
787 ret = CreateComposition(a_args);
789 if (ret != HWC2::Error::None)
790 ++total_stats_.failed_kms_present_;
792 if (ret == HWC2::Error::BadLayer) {
793 // Can we really have no client or device layers?
795 return HWC2::Error::None;
797 if (ret != HWC2::Error::None)
800 *present_fence = a_args.out_fence.Release();
803 return HWC2::Error::None;
806 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) {
807 int conf = static_cast<int>(config);
809 if (hwc_configs_.count(conf) == 0) {
810 ALOGE("Could not find active mode for %d", conf);
811 return HWC2::Error::BadConfig;
814 auto &mode = hwc_configs_[conf].mode;
818 active_config_id_ = conf;
820 // Setup the client layer's dimensions
821 hwc_rect_t display_frame = {.left = 0,
823 .right = static_cast<int>(mode.h_display()),
824 .bottom = static_cast<int>(mode.v_display())};
825 client_layer_.SetLayerDisplayFrame(display_frame);
827 return HWC2::Error::None;
830 /* Find API details at:
831 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1861
833 HWC2::Error DrmHwcTwo::HwcDisplay::SetClientTarget(buffer_handle_t target,
834 int32_t acquire_fence,
836 hwc_region_t /*damage*/) {
837 client_layer_.set_buffer(target);
838 client_layer_.acquire_fence_ = UniqueFd(acquire_fence);
839 client_layer_.SetLayerDataspace(dataspace);
841 /* TODO: Do not update source_crop every call.
842 * It makes sense to do it once after every hotplug event. */
844 BufferInfoGetter::GetInstance()->ConvertBoInfo(target, &bo);
846 hwc_frect_t source_crop = {.left = 0.0F,
848 .right = static_cast<float>(bo.width),
849 .bottom = static_cast<float>(bo.height)};
850 client_layer_.SetLayerSourceCrop(source_crop);
852 return HWC2::Error::None;
855 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorMode(int32_t mode) {
856 if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG)
857 return HWC2::Error::BadParameter;
859 if (mode != HAL_COLOR_MODE_NATIVE)
860 return HWC2::Error::Unsupported;
863 return HWC2::Error::None;
866 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix,
868 if (hint < HAL_COLOR_TRANSFORM_IDENTITY ||
869 hint > HAL_COLOR_TRANSFORM_CORRECT_TRITANOPIA)
870 return HWC2::Error::BadParameter;
872 if (!matrix && hint == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX)
873 return HWC2::Error::BadParameter;
875 color_transform_hint_ = static_cast<android_color_transform_t>(hint);
876 if (color_transform_hint_ == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX)
877 std::copy(matrix, matrix + MATRIX_SIZE, color_transform_matrix_.begin());
879 return HWC2::Error::None;
882 HWC2::Error DrmHwcTwo::HwcDisplay::SetOutputBuffer(buffer_handle_t /*buffer*/,
883 int32_t /*release_fence*/) {
884 // TODO(nobody): Need virtual display support
885 return HWC2::Error::Unsupported;
888 HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) {
889 auto mode = static_cast<HWC2::PowerMode>(mode_in);
890 AtomicCommitArgs a_args{};
893 case HWC2::PowerMode::Off:
894 a_args.active = false;
896 case HWC2::PowerMode::On:
898 * Setting the display to active before we have a composition
899 * can break some drivers, so skip setting a_args.active to
900 * true, as the next composition frame will implicitly activate
903 return HWC2::Error::None;
905 case HWC2::PowerMode::Doze:
906 case HWC2::PowerMode::DozeSuspend:
907 return HWC2::Error::Unsupported;
909 ALOGI("Power mode %d is unsupported\n", mode);
910 return HWC2::Error::BadParameter;
913 int err = compositor_.ExecuteAtomicCommit(a_args);
915 ALOGE("Failed to apply the dpms composition err=%d", err);
916 return HWC2::Error::BadParameter;
918 return HWC2::Error::None;
921 HWC2::Error DrmHwcTwo::HwcDisplay::SetVsyncEnabled(int32_t enabled) {
922 vsync_worker_.VSyncControl(HWC2_VSYNC_ENABLE == enabled);
923 return HWC2::Error::None;
926 HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types,
927 uint32_t *num_requests) {
928 return backend_->ValidateDisplay(this, num_types, num_requests);
931 std::vector<DrmHwcTwo::HwcLayer *>
932 DrmHwcTwo::HwcDisplay::GetOrderLayersByZPos() {
933 std::vector<DrmHwcTwo::HwcLayer *> ordered_layers;
934 ordered_layers.reserve(layers_.size());
936 for (auto &[handle, layer] : layers_) {
937 ordered_layers.emplace_back(&layer);
940 std::sort(std::begin(ordered_layers), std::end(ordered_layers),
941 [](const DrmHwcTwo::HwcLayer *lhs, const DrmHwcTwo::HwcLayer *rhs) {
942 return lhs->z_order() < rhs->z_order();
945 return ordered_layers;
948 #if PLATFORM_SDK_VERSION > 29
949 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConnectionType(uint32_t *outType) {
950 if (connector_->internal())
951 *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::Internal);
952 else if (connector_->external())
953 *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::External);
955 return HWC2::Error::BadConfig;
957 return HWC2::Error::None;
960 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayVsyncPeriod(
961 hwc2_vsync_period_t *outVsyncPeriod /* ns */) {
962 return GetDisplayAttribute(active_config_id_, HWC2_ATTRIBUTE_VSYNC_PERIOD,
963 (int32_t *)(outVsyncPeriod));
966 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfigWithConstraints(
967 hwc2_config_t /*config*/,
968 hwc_vsync_period_change_constraints_t *vsyncPeriodChangeConstraints,
969 hwc_vsync_period_change_timeline_t *outTimeline) {
970 if (vsyncPeriodChangeConstraints == nullptr || outTimeline == nullptr) {
971 return HWC2::Error::BadParameter;
974 return HWC2::Error::BadConfig;
977 HWC2::Error DrmHwcTwo::HwcDisplay::SetAutoLowLatencyMode(bool /*on*/) {
978 return HWC2::Error::Unsupported;
981 HWC2::Error DrmHwcTwo::HwcDisplay::GetSupportedContentTypes(
982 uint32_t *outNumSupportedContentTypes,
983 const uint32_t *outSupportedContentTypes) {
984 if (outSupportedContentTypes == nullptr)
985 *outNumSupportedContentTypes = 0;
987 return HWC2::Error::None;
990 HWC2::Error DrmHwcTwo::HwcDisplay::SetContentType(int32_t contentType) {
991 if (contentType != HWC2_CONTENT_TYPE_NONE)
992 return HWC2::Error::Unsupported;
994 /* TODO: Map to the DRM Connector property:
995 * https://elixir.bootlin.com/linux/v5.4-rc5/source/drivers/gpu/drm/drm_connector.c#L809
998 return HWC2::Error::None;
1002 #if PLATFORM_SDK_VERSION > 28
1003 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayIdentificationData(
1004 uint8_t *outPort, uint32_t *outDataSize, uint8_t *outData) {
1005 auto blob = connector_->GetEdidBlob();
1008 ALOGE("Failed to get edid property value.");
1009 return HWC2::Error::Unsupported;
1013 *outDataSize = std::min(*outDataSize, blob->length);
1014 memcpy(outData, blob->data, *outDataSize);
1016 *outDataSize = blob->length;
1018 *outPort = connector_->id();
1020 return HWC2::Error::None;
1023 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayCapabilities(
1024 uint32_t *outNumCapabilities, uint32_t * /*outCapabilities*/) {
1025 if (outNumCapabilities == nullptr) {
1026 return HWC2::Error::BadParameter;
1029 *outNumCapabilities = 0;
1031 return HWC2::Error::None;
1034 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayBrightnessSupport(
1037 return HWC2::Error::None;
1040 HWC2::Error DrmHwcTwo::HwcDisplay::SetDisplayBrightness(
1041 float /* brightness */) {
1042 return HWC2::Error::Unsupported;
1045 #endif /* PLATFORM_SDK_VERSION > 28 */
1047 #if PLATFORM_SDK_VERSION > 27
1049 HWC2::Error DrmHwcTwo::HwcDisplay::GetRenderIntents(
1050 int32_t mode, uint32_t *outNumIntents,
1051 int32_t * /*android_render_intent_v1_1_t*/ outIntents) {
1052 if (mode != HAL_COLOR_MODE_NATIVE) {
1053 return HWC2::Error::BadParameter;
1056 if (outIntents == nullptr) {
1058 return HWC2::Error::None;
1061 outIntents[0] = HAL_RENDER_INTENT_COLORIMETRIC;
1062 return HWC2::Error::None;
1065 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorModeWithIntent(int32_t mode,
1067 if (intent < HAL_RENDER_INTENT_COLORIMETRIC ||
1068 intent > HAL_RENDER_INTENT_TONE_MAP_ENHANCE)
1069 return HWC2::Error::BadParameter;
1071 if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG)
1072 return HWC2::Error::BadParameter;
1074 if (mode != HAL_COLOR_MODE_NATIVE)
1075 return HWC2::Error::Unsupported;
1077 if (intent != HAL_RENDER_INTENT_COLORIMETRIC)
1078 return HWC2::Error::Unsupported;
1081 return HWC2::Error::None;
1084 #endif /* PLATFORM_SDK_VERSION > 27 */
1086 HWC2::Error DrmHwcTwo::HwcLayer::SetCursorPosition(int32_t /*x*/,
1088 return HWC2::Error::None;
1091 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBlendMode(int32_t mode) {
1092 switch (static_cast<HWC2::BlendMode>(mode)) {
1093 case HWC2::BlendMode::None:
1094 blending_ = DrmHwcBlending::kNone;
1096 case HWC2::BlendMode::Premultiplied:
1097 blending_ = DrmHwcBlending::kPreMult;
1099 case HWC2::BlendMode::Coverage:
1100 blending_ = DrmHwcBlending::kCoverage;
1103 ALOGE("Unknown blending mode b=%d", blending_);
1104 blending_ = DrmHwcBlending::kNone;
1107 return HWC2::Error::None;
1110 /* Find API details at:
1111 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=2314
1113 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBuffer(buffer_handle_t buffer,
1114 int32_t acquire_fence) {
1116 acquire_fence_ = UniqueFd(acquire_fence);
1117 return HWC2::Error::None;
1120 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t /*color*/) {
1121 // TODO(nobody): Put to client composition here?
1122 return HWC2::Error::None;
1125 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerCompositionType(int32_t type) {
1126 sf_type_ = static_cast<HWC2::Composition>(type);
1127 return HWC2::Error::None;
1130 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDataspace(int32_t dataspace) {
1131 switch (dataspace & HAL_DATASPACE_STANDARD_MASK) {
1132 case HAL_DATASPACE_STANDARD_BT709:
1133 color_space_ = DrmHwcColorSpace::kItuRec709;
1135 case HAL_DATASPACE_STANDARD_BT601_625:
1136 case HAL_DATASPACE_STANDARD_BT601_625_UNADJUSTED:
1137 case HAL_DATASPACE_STANDARD_BT601_525:
1138 case HAL_DATASPACE_STANDARD_BT601_525_UNADJUSTED:
1139 color_space_ = DrmHwcColorSpace::kItuRec601;
1141 case HAL_DATASPACE_STANDARD_BT2020:
1142 case HAL_DATASPACE_STANDARD_BT2020_CONSTANT_LUMINANCE:
1143 color_space_ = DrmHwcColorSpace::kItuRec2020;
1146 color_space_ = DrmHwcColorSpace::kUndefined;
1149 switch (dataspace & HAL_DATASPACE_RANGE_MASK) {
1150 case HAL_DATASPACE_RANGE_FULL:
1151 sample_range_ = DrmHwcSampleRange::kFullRange;
1153 case HAL_DATASPACE_RANGE_LIMITED:
1154 sample_range_ = DrmHwcSampleRange::kLimitedRange;
1157 sample_range_ = DrmHwcSampleRange::kUndefined;
1159 return HWC2::Error::None;
1162 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDisplayFrame(hwc_rect_t frame) {
1163 display_frame_ = frame;
1164 return HWC2::Error::None;
1167 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerPlaneAlpha(float alpha) {
1169 return HWC2::Error::None;
1172 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSidebandStream(
1173 const native_handle_t * /*stream*/) {
1174 // TODO(nobody): We don't support sideband
1175 return HWC2::Error::Unsupported;
1179 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSourceCrop(hwc_frect_t crop) {
1180 source_crop_ = crop;
1181 return HWC2::Error::None;
1184 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSurfaceDamage(
1185 hwc_region_t /*damage*/) {
1186 // TODO(nobody): We don't use surface damage, marking as unsupported
1187 return HWC2::Error::None;
1190 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerTransform(int32_t transform) {
1191 uint32_t l_transform = 0;
1193 // 270* and 180* cannot be combined with flips. More specifically, they
1194 // already contain both horizontal and vertical flips, so those fields are
1195 // redundant in this case. 90* rotation can be combined with either horizontal
1196 // flip or vertical flip, so treat it differently
1197 if (transform == HWC_TRANSFORM_ROT_270) {
1198 l_transform = DrmHwcTransform::kRotate270;
1199 } else if (transform == HWC_TRANSFORM_ROT_180) {
1200 l_transform = DrmHwcTransform::kRotate180;
1202 if (transform & HWC_TRANSFORM_FLIP_H)
1203 l_transform |= DrmHwcTransform::kFlipH;
1204 if (transform & HWC_TRANSFORM_FLIP_V)
1205 l_transform |= DrmHwcTransform::kFlipV;
1206 if (transform & HWC_TRANSFORM_ROT_90)
1207 l_transform |= DrmHwcTransform::kRotate90;
1210 transform_ = static_cast<DrmHwcTransform>(l_transform);
1211 return HWC2::Error::None;
1214 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerVisibleRegion(
1215 hwc_region_t /*visible*/) {
1216 // TODO(nobody): We don't use this information, marking as unsupported
1217 return HWC2::Error::None;
1220 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerZOrder(uint32_t order) {
1222 return HWC2::Error::None;
1225 void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) {
1226 layer->sf_handle = buffer_;
1227 // TODO(rsglobal): Avoid extra fd duplication
1228 layer->acquire_fence = UniqueFd(fcntl(acquire_fence_.Get(), F_DUPFD_CLOEXEC));
1229 layer->display_frame = display_frame_;
1230 layer->alpha = lround(65535.0F * alpha_);
1231 layer->blending = blending_;
1232 layer->source_crop = source_crop_;
1233 layer->transform = transform_;
1234 layer->color_space = color_space_;
1235 layer->sample_range = sample_range_;
1238 void DrmHwcTwo::HandleDisplayHotplug(hwc2_display_t displayid, int state) {
1239 const std::lock_guard<std::mutex> lock(callback_lock_);
1241 if (hotplug_callback_.first != nullptr &&
1242 hotplug_callback_.second != nullptr) {
1243 hotplug_callback_.first(hotplug_callback_.second, displayid,
1244 state == DRM_MODE_CONNECTED
1245 ? HWC2_CONNECTION_CONNECTED
1246 : HWC2_CONNECTION_DISCONNECTED);
1250 void DrmHwcTwo::HandleInitialHotplugState(DrmDevice *drmDevice) {
1251 for (const auto &conn : drmDevice->connectors()) {
1252 if (conn->state() != DRM_MODE_CONNECTED)
1254 HandleDisplayHotplug(conn->display(), conn->state());
1258 void DrmHwcTwo::HandleHotplugUEvent() {
1259 for (const auto &drm : resource_manager_.getDrmDevices()) {
1260 for (const auto &conn : drm->connectors()) {
1261 drmModeConnection old_state = conn->state();
1262 drmModeConnection cur_state = conn->UpdateModes()
1263 ? DRM_MODE_UNKNOWNCONNECTION
1266 if (cur_state == old_state)
1269 ALOGI("%s event for connector %u on display %d",
1270 cur_state == DRM_MODE_CONNECTED ? "Plug" : "Unplug", conn->id(),
1273 int display_id = conn->display();
1274 if (cur_state == DRM_MODE_CONNECTED) {
1275 auto &display = displays_.at(display_id);
1276 display.ChosePreferredConfig();
1278 auto &display = displays_.at(display_id);
1279 display.ClearDisplay();
1282 HandleDisplayHotplug(display_id, cur_state);
1288 int DrmHwcTwo::HookDevClose(hw_device_t *dev) {
1289 // NOLINTNEXTLINE (cppcoreguidelines-pro-type-reinterpret-cast): Safe
1290 auto *hwc2_dev = reinterpret_cast<hwc2_device_t *>(dev);
1291 std::unique_ptr<DrmHwcTwo> ctx(toDrmHwcTwo(hwc2_dev));
1296 void DrmHwcTwo::HookDevGetCapabilities(hwc2_device_t * /*dev*/,
1297 uint32_t *out_count,
1298 int32_t * /*out_capabilities*/) {
1303 hwc2_function_pointer_t DrmHwcTwo::HookDevGetFunction(
1304 struct hwc2_device * /*dev*/, int32_t descriptor) {
1305 auto func = static_cast<HWC2::FunctionDescriptor>(descriptor);
1308 case HWC2::FunctionDescriptor::CreateVirtualDisplay:
1309 return ToHook<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>(
1310 DeviceHook<int32_t, decltype(&DrmHwcTwo::CreateVirtualDisplay),
1311 &DrmHwcTwo::CreateVirtualDisplay, uint32_t, uint32_t,
1312 int32_t *, hwc2_display_t *>);
1313 case HWC2::FunctionDescriptor::DestroyVirtualDisplay:
1314 return ToHook<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>(
1315 DeviceHook<int32_t, decltype(&DrmHwcTwo::DestroyVirtualDisplay),
1316 &DrmHwcTwo::DestroyVirtualDisplay, hwc2_display_t>);
1317 case HWC2::FunctionDescriptor::Dump:
1318 return ToHook<HWC2_PFN_DUMP>(
1319 DeviceHook<void, decltype(&DrmHwcTwo::Dump), &DrmHwcTwo::Dump,
1320 uint32_t *, char *>);
1321 case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount:
1322 return ToHook<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>(
1323 DeviceHook<uint32_t, decltype(&DrmHwcTwo::GetMaxVirtualDisplayCount),
1324 &DrmHwcTwo::GetMaxVirtualDisplayCount>);
1325 case HWC2::FunctionDescriptor::RegisterCallback:
1326 return ToHook<HWC2_PFN_REGISTER_CALLBACK>(
1327 DeviceHook<int32_t, decltype(&DrmHwcTwo::RegisterCallback),
1328 &DrmHwcTwo::RegisterCallback, int32_t,
1329 hwc2_callback_data_t, hwc2_function_pointer_t>);
1331 // Display functions
1332 case HWC2::FunctionDescriptor::AcceptDisplayChanges:
1333 return ToHook<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>(
1334 DisplayHook<decltype(&HwcDisplay::AcceptDisplayChanges),
1335 &HwcDisplay::AcceptDisplayChanges>);
1336 case HWC2::FunctionDescriptor::CreateLayer:
1337 return ToHook<HWC2_PFN_CREATE_LAYER>(
1338 DisplayHook<decltype(&HwcDisplay::CreateLayer),
1339 &HwcDisplay::CreateLayer, hwc2_layer_t *>);
1340 case HWC2::FunctionDescriptor::DestroyLayer:
1341 return ToHook<HWC2_PFN_DESTROY_LAYER>(
1342 DisplayHook<decltype(&HwcDisplay::DestroyLayer),
1343 &HwcDisplay::DestroyLayer, hwc2_layer_t>);
1344 case HWC2::FunctionDescriptor::GetActiveConfig:
1345 return ToHook<HWC2_PFN_GET_ACTIVE_CONFIG>(
1346 DisplayHook<decltype(&HwcDisplay::GetActiveConfig),
1347 &HwcDisplay::GetActiveConfig, hwc2_config_t *>);
1348 case HWC2::FunctionDescriptor::GetChangedCompositionTypes:
1349 return ToHook<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>(
1350 DisplayHook<decltype(&HwcDisplay::GetChangedCompositionTypes),
1351 &HwcDisplay::GetChangedCompositionTypes, uint32_t *,
1352 hwc2_layer_t *, int32_t *>);
1353 case HWC2::FunctionDescriptor::GetClientTargetSupport:
1354 return ToHook<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(
1355 DisplayHook<decltype(&HwcDisplay::GetClientTargetSupport),
1356 &HwcDisplay::GetClientTargetSupport, uint32_t, uint32_t,
1358 case HWC2::FunctionDescriptor::GetColorModes:
1359 return ToHook<HWC2_PFN_GET_COLOR_MODES>(
1360 DisplayHook<decltype(&HwcDisplay::GetColorModes),
1361 &HwcDisplay::GetColorModes, uint32_t *, int32_t *>);
1362 case HWC2::FunctionDescriptor::GetDisplayAttribute:
1363 return ToHook<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(
1364 DisplayHook<decltype(&HwcDisplay::GetDisplayAttribute),
1365 &HwcDisplay::GetDisplayAttribute, hwc2_config_t, int32_t,
1367 case HWC2::FunctionDescriptor::GetDisplayConfigs:
1368 return ToHook<HWC2_PFN_GET_DISPLAY_CONFIGS>(
1369 DisplayHook<decltype(&HwcDisplay::GetDisplayConfigs),
1370 &HwcDisplay::GetDisplayConfigs, uint32_t *,
1372 case HWC2::FunctionDescriptor::GetDisplayName:
1373 return ToHook<HWC2_PFN_GET_DISPLAY_NAME>(
1374 DisplayHook<decltype(&HwcDisplay::GetDisplayName),
1375 &HwcDisplay::GetDisplayName, uint32_t *, char *>);
1376 case HWC2::FunctionDescriptor::GetDisplayRequests:
1377 return ToHook<HWC2_PFN_GET_DISPLAY_REQUESTS>(
1378 DisplayHook<decltype(&HwcDisplay::GetDisplayRequests),
1379 &HwcDisplay::GetDisplayRequests, int32_t *, uint32_t *,
1380 hwc2_layer_t *, int32_t *>);
1381 case HWC2::FunctionDescriptor::GetDisplayType:
1382 return ToHook<HWC2_PFN_GET_DISPLAY_TYPE>(
1383 DisplayHook<decltype(&HwcDisplay::GetDisplayType),
1384 &HwcDisplay::GetDisplayType, int32_t *>);
1385 case HWC2::FunctionDescriptor::GetDozeSupport:
1386 return ToHook<HWC2_PFN_GET_DOZE_SUPPORT>(
1387 DisplayHook<decltype(&HwcDisplay::GetDozeSupport),
1388 &HwcDisplay::GetDozeSupport, int32_t *>);
1389 case HWC2::FunctionDescriptor::GetHdrCapabilities:
1390 return ToHook<HWC2_PFN_GET_HDR_CAPABILITIES>(
1391 DisplayHook<decltype(&HwcDisplay::GetHdrCapabilities),
1392 &HwcDisplay::GetHdrCapabilities, uint32_t *, int32_t *,
1393 float *, float *, float *>);
1394 case HWC2::FunctionDescriptor::GetReleaseFences:
1395 return ToHook<HWC2_PFN_GET_RELEASE_FENCES>(
1396 DisplayHook<decltype(&HwcDisplay::GetReleaseFences),
1397 &HwcDisplay::GetReleaseFences, uint32_t *, hwc2_layer_t *,
1399 case HWC2::FunctionDescriptor::PresentDisplay:
1400 return ToHook<HWC2_PFN_PRESENT_DISPLAY>(
1401 DisplayHook<decltype(&HwcDisplay::PresentDisplay),
1402 &HwcDisplay::PresentDisplay, int32_t *>);
1403 case HWC2::FunctionDescriptor::SetActiveConfig:
1404 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG>(
1405 DisplayHook<decltype(&HwcDisplay::SetActiveConfig),
1406 &HwcDisplay::SetActiveConfig, hwc2_config_t>);
1407 case HWC2::FunctionDescriptor::SetClientTarget:
1408 return ToHook<HWC2_PFN_SET_CLIENT_TARGET>(
1409 DisplayHook<decltype(&HwcDisplay::SetClientTarget),
1410 &HwcDisplay::SetClientTarget, buffer_handle_t, int32_t,
1411 int32_t, hwc_region_t>);
1412 case HWC2::FunctionDescriptor::SetColorMode:
1413 return ToHook<HWC2_PFN_SET_COLOR_MODE>(
1414 DisplayHook<decltype(&HwcDisplay::SetColorMode),
1415 &HwcDisplay::SetColorMode, int32_t>);
1416 case HWC2::FunctionDescriptor::SetColorTransform:
1417 return ToHook<HWC2_PFN_SET_COLOR_TRANSFORM>(
1418 DisplayHook<decltype(&HwcDisplay::SetColorTransform),
1419 &HwcDisplay::SetColorTransform, const float *, int32_t>);
1420 case HWC2::FunctionDescriptor::SetOutputBuffer:
1421 return ToHook<HWC2_PFN_SET_OUTPUT_BUFFER>(
1422 DisplayHook<decltype(&HwcDisplay::SetOutputBuffer),
1423 &HwcDisplay::SetOutputBuffer, buffer_handle_t, int32_t>);
1424 case HWC2::FunctionDescriptor::SetPowerMode:
1425 return ToHook<HWC2_PFN_SET_POWER_MODE>(
1426 DisplayHook<decltype(&HwcDisplay::SetPowerMode),
1427 &HwcDisplay::SetPowerMode, int32_t>);
1428 case HWC2::FunctionDescriptor::SetVsyncEnabled:
1429 return ToHook<HWC2_PFN_SET_VSYNC_ENABLED>(
1430 DisplayHook<decltype(&HwcDisplay::SetVsyncEnabled),
1431 &HwcDisplay::SetVsyncEnabled, int32_t>);
1432 case HWC2::FunctionDescriptor::ValidateDisplay:
1433 return ToHook<HWC2_PFN_VALIDATE_DISPLAY>(
1434 DisplayHook<decltype(&HwcDisplay::ValidateDisplay),
1435 &HwcDisplay::ValidateDisplay, uint32_t *, uint32_t *>);
1436 #if PLATFORM_SDK_VERSION > 27
1437 case HWC2::FunctionDescriptor::GetRenderIntents:
1438 return ToHook<HWC2_PFN_GET_RENDER_INTENTS>(
1439 DisplayHook<decltype(&HwcDisplay::GetRenderIntents),
1440 &HwcDisplay::GetRenderIntents, int32_t, uint32_t *,
1442 case HWC2::FunctionDescriptor::SetColorModeWithRenderIntent:
1443 return ToHook<HWC2_PFN_SET_COLOR_MODE_WITH_RENDER_INTENT>(
1444 DisplayHook<decltype(&HwcDisplay::SetColorModeWithIntent),
1445 &HwcDisplay::SetColorModeWithIntent, int32_t, int32_t>);
1447 #if PLATFORM_SDK_VERSION > 28
1448 case HWC2::FunctionDescriptor::GetDisplayIdentificationData:
1449 return ToHook<HWC2_PFN_GET_DISPLAY_IDENTIFICATION_DATA>(
1450 DisplayHook<decltype(&HwcDisplay::GetDisplayIdentificationData),
1451 &HwcDisplay::GetDisplayIdentificationData, uint8_t *,
1452 uint32_t *, uint8_t *>);
1453 case HWC2::FunctionDescriptor::GetDisplayCapabilities:
1454 return ToHook<HWC2_PFN_GET_DISPLAY_CAPABILITIES>(
1455 DisplayHook<decltype(&HwcDisplay::GetDisplayCapabilities),
1456 &HwcDisplay::GetDisplayCapabilities, uint32_t *,
1458 case HWC2::FunctionDescriptor::GetDisplayBrightnessSupport:
1459 return ToHook<HWC2_PFN_GET_DISPLAY_BRIGHTNESS_SUPPORT>(
1460 DisplayHook<decltype(&HwcDisplay::GetDisplayBrightnessSupport),
1461 &HwcDisplay::GetDisplayBrightnessSupport, bool *>);
1462 case HWC2::FunctionDescriptor::SetDisplayBrightness:
1463 return ToHook<HWC2_PFN_SET_DISPLAY_BRIGHTNESS>(
1464 DisplayHook<decltype(&HwcDisplay::SetDisplayBrightness),
1465 &HwcDisplay::SetDisplayBrightness, float>);
1466 #endif /* PLATFORM_SDK_VERSION > 28 */
1467 #if PLATFORM_SDK_VERSION > 29
1468 case HWC2::FunctionDescriptor::GetDisplayConnectionType:
1469 return ToHook<HWC2_PFN_GET_DISPLAY_CONNECTION_TYPE>(
1470 DisplayHook<decltype(&HwcDisplay::GetDisplayConnectionType),
1471 &HwcDisplay::GetDisplayConnectionType, uint32_t *>);
1472 case HWC2::FunctionDescriptor::GetDisplayVsyncPeriod:
1473 return ToHook<HWC2_PFN_GET_DISPLAY_VSYNC_PERIOD>(
1474 DisplayHook<decltype(&HwcDisplay::GetDisplayVsyncPeriod),
1475 &HwcDisplay::GetDisplayVsyncPeriod,
1476 hwc2_vsync_period_t *>);
1477 case HWC2::FunctionDescriptor::SetActiveConfigWithConstraints:
1478 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG_WITH_CONSTRAINTS>(
1479 DisplayHook<decltype(&HwcDisplay::SetActiveConfigWithConstraints),
1480 &HwcDisplay::SetActiveConfigWithConstraints,
1481 hwc2_config_t, hwc_vsync_period_change_constraints_t *,
1482 hwc_vsync_period_change_timeline_t *>);
1483 case HWC2::FunctionDescriptor::SetAutoLowLatencyMode:
1484 return ToHook<HWC2_PFN_SET_AUTO_LOW_LATENCY_MODE>(
1485 DisplayHook<decltype(&HwcDisplay::SetAutoLowLatencyMode),
1486 &HwcDisplay::SetAutoLowLatencyMode, bool>);
1487 case HWC2::FunctionDescriptor::GetSupportedContentTypes:
1488 return ToHook<HWC2_PFN_GET_SUPPORTED_CONTENT_TYPES>(
1489 DisplayHook<decltype(&HwcDisplay::GetSupportedContentTypes),
1490 &HwcDisplay::GetSupportedContentTypes, uint32_t *,
1492 case HWC2::FunctionDescriptor::SetContentType:
1493 return ToHook<HWC2_PFN_SET_CONTENT_TYPE>(
1494 DisplayHook<decltype(&HwcDisplay::SetContentType),
1495 &HwcDisplay::SetContentType, int32_t>);
1498 case HWC2::FunctionDescriptor::SetCursorPosition:
1499 return ToHook<HWC2_PFN_SET_CURSOR_POSITION>(
1500 LayerHook<decltype(&HwcLayer::SetCursorPosition),
1501 &HwcLayer::SetCursorPosition, int32_t, int32_t>);
1502 case HWC2::FunctionDescriptor::SetLayerBlendMode:
1503 return ToHook<HWC2_PFN_SET_LAYER_BLEND_MODE>(
1504 LayerHook<decltype(&HwcLayer::SetLayerBlendMode),
1505 &HwcLayer::SetLayerBlendMode, int32_t>);
1506 case HWC2::FunctionDescriptor::SetLayerBuffer:
1507 return ToHook<HWC2_PFN_SET_LAYER_BUFFER>(
1508 LayerHook<decltype(&HwcLayer::SetLayerBuffer),
1509 &HwcLayer::SetLayerBuffer, buffer_handle_t, int32_t>);
1510 case HWC2::FunctionDescriptor::SetLayerColor:
1511 return ToHook<HWC2_PFN_SET_LAYER_COLOR>(
1512 LayerHook<decltype(&HwcLayer::SetLayerColor),
1513 &HwcLayer::SetLayerColor, hwc_color_t>);
1514 case HWC2::FunctionDescriptor::SetLayerCompositionType:
1515 return ToHook<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>(
1516 LayerHook<decltype(&HwcLayer::SetLayerCompositionType),
1517 &HwcLayer::SetLayerCompositionType, int32_t>);
1518 case HWC2::FunctionDescriptor::SetLayerDataspace:
1519 return ToHook<HWC2_PFN_SET_LAYER_DATASPACE>(
1520 LayerHook<decltype(&HwcLayer::SetLayerDataspace),
1521 &HwcLayer::SetLayerDataspace, int32_t>);
1522 case HWC2::FunctionDescriptor::SetLayerDisplayFrame:
1523 return ToHook<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>(
1524 LayerHook<decltype(&HwcLayer::SetLayerDisplayFrame),
1525 &HwcLayer::SetLayerDisplayFrame, hwc_rect_t>);
1526 case HWC2::FunctionDescriptor::SetLayerPlaneAlpha:
1527 return ToHook<HWC2_PFN_SET_LAYER_PLANE_ALPHA>(
1528 LayerHook<decltype(&HwcLayer::SetLayerPlaneAlpha),
1529 &HwcLayer::SetLayerPlaneAlpha, float>);
1530 case HWC2::FunctionDescriptor::SetLayerSidebandStream:
1531 return ToHook<HWC2_PFN_SET_LAYER_SIDEBAND_STREAM>(
1532 LayerHook<decltype(&HwcLayer::SetLayerSidebandStream),
1533 &HwcLayer::SetLayerSidebandStream,
1534 const native_handle_t *>);
1535 case HWC2::FunctionDescriptor::SetLayerSourceCrop:
1536 return ToHook<HWC2_PFN_SET_LAYER_SOURCE_CROP>(
1537 LayerHook<decltype(&HwcLayer::SetLayerSourceCrop),
1538 &HwcLayer::SetLayerSourceCrop, hwc_frect_t>);
1539 case HWC2::FunctionDescriptor::SetLayerSurfaceDamage:
1540 return ToHook<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>(
1541 LayerHook<decltype(&HwcLayer::SetLayerSurfaceDamage),
1542 &HwcLayer::SetLayerSurfaceDamage, hwc_region_t>);
1543 case HWC2::FunctionDescriptor::SetLayerTransform:
1544 return ToHook<HWC2_PFN_SET_LAYER_TRANSFORM>(
1545 LayerHook<decltype(&HwcLayer::SetLayerTransform),
1546 &HwcLayer::SetLayerTransform, int32_t>);
1547 case HWC2::FunctionDescriptor::SetLayerVisibleRegion:
1548 return ToHook<HWC2_PFN_SET_LAYER_VISIBLE_REGION>(
1549 LayerHook<decltype(&HwcLayer::SetLayerVisibleRegion),
1550 &HwcLayer::SetLayerVisibleRegion, hwc_region_t>);
1551 case HWC2::FunctionDescriptor::SetLayerZOrder:
1552 return ToHook<HWC2_PFN_SET_LAYER_Z_ORDER>(
1553 LayerHook<decltype(&HwcLayer::SetLayerZOrder),
1554 &HwcLayer::SetLayerZOrder, uint32_t>);
1555 case HWC2::FunctionDescriptor::Invalid:
1562 int DrmHwcTwo::HookDevOpen(const struct hw_module_t *module, const char *name,
1563 struct hw_device_t **dev) {
1564 if (strcmp(name, HWC_HARDWARE_COMPOSER) != 0) {
1565 ALOGE("Invalid module name- %s", name);
1569 std::unique_ptr<DrmHwcTwo> ctx(new DrmHwcTwo());
1571 ALOGE("Failed to allocate DrmHwcTwo");
1575 HWC2::Error err = ctx->Init();
1576 if (err != HWC2::Error::None) {
1577 ALOGE("Failed to initialize DrmHwcTwo err=%d\n", err);
1581 ctx->common.module = (hw_module_t *)module;
1582 *dev = &ctx.release()->common;
1586 } // namespace android
1588 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
1589 static struct hw_module_methods_t hwc2_module_methods = {
1590 .open = android::DrmHwcTwo::HookDevOpen,
1593 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
1594 hw_module_t HAL_MODULE_INFO_SYM = {
1595 .tag = HARDWARE_MODULE_TAG,
1596 .module_api_version = HARDWARE_MODULE_API_VERSION(2, 0),
1597 .id = HWC_HARDWARE_MODULE_ID,
1598 .name = "DrmHwcTwo module",
1599 .author = "The Android Open Source Project",
1600 .methods = &hwc2_module_methods,