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(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,
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 const auto &drm_devices = resource_manager_.getDrmDevices();
91 for (const auto &device : drm_devices) {
92 // NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
93 device->RegisterHotplugHandler(new DrmHotplugHandler(this, device.get()));
98 template <typename... Args>
99 static inline HWC2::Error unsupported(char const *func, Args... /*args*/) {
100 ALOGV("Unsupported function: %s", func);
101 return HWC2::Error::Unsupported;
104 static inline void supported(char const *func) {
105 ALOGV("Supported function: %s", func);
108 HWC2::Error DrmHwcTwo::CreateVirtualDisplay(uint32_t width, uint32_t height,
110 hwc2_display_t *display) {
111 // TODO(nobody): Implement virtual display
112 return unsupported(__func__, width, height, format, display);
115 HWC2::Error DrmHwcTwo::DestroyVirtualDisplay(hwc2_display_t display) {
116 // TODO(nobody): Implement virtual display
117 return unsupported(__func__, display);
120 std::string DrmHwcTwo::HwcDisplay::DumpDelta(
121 DrmHwcTwo::HwcDisplay::Stats delta) {
122 if (delta.total_pixops_ == 0)
123 return "No stats yet";
124 double ratio = 1.0 - double(delta.gpu_pixops_) / double(delta.total_pixops_);
126 std::stringstream ss;
127 ss << " Total frames count: " << delta.total_frames_ << "\n"
128 << " Failed to test commit frames: " << delta.failed_kms_validate_ << "\n"
129 << " Failed to commit frames: " << delta.failed_kms_present_ << "\n"
130 << ((delta.failed_kms_present_ > 0)
131 ? " !!! Internal failure, FIX it please\n"
133 << " Flattened frames: " << delta.frames_flattened_ << "\n"
134 << " Pixel operations (free units)"
135 << " : [TOTAL: " << delta.total_pixops_ << " / GPU: " << delta.gpu_pixops_
137 << " Composition efficiency: " << ratio;
142 std::string DrmHwcTwo::HwcDisplay::Dump() {
143 std::stringstream ss;
144 ss << "- Display on: " << connector_->name() << "\n"
145 << " Flattening state: " << compositor_.GetFlatteningState() << "\n"
146 << "Statistics since system boot:\n"
147 << DumpDelta(total_stats_) << "\n\n"
148 << "Statistics since last dumpsys request:\n"
149 << DumpDelta(total_stats_.minus(prev_stats_)) << "\n\n";
151 memcpy(&prev_stats_, &total_stats_, sizeof(Stats));
155 void DrmHwcTwo::Dump(uint32_t *outSize, char *outBuffer) {
158 if (outBuffer != nullptr) {
159 auto copied_bytes = mDumpString.copy(outBuffer, *outSize);
160 *outSize = static_cast<uint32_t>(copied_bytes);
164 std::stringstream output;
166 output << "-- drm_hwcomposer --\n\n";
168 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &dp : displays_)
169 output << dp.second.Dump();
171 mDumpString = output.str();
172 *outSize = static_cast<uint32_t>(mDumpString.size());
175 uint32_t DrmHwcTwo::GetMaxVirtualDisplayCount() {
176 // TODO(nobody): Implement virtual display
177 unsupported(__func__);
181 HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor,
182 hwc2_callback_data_t data,
183 hwc2_function_pointer_t function) {
186 switch (static_cast<HWC2::Callback>(descriptor)) {
187 case HWC2::Callback::Hotplug: {
188 SetHotplugCallback(data, function);
189 const auto &drm_devices = resource_manager_.getDrmDevices();
190 for (const auto &device : drm_devices)
191 HandleInitialHotplugState(device.get());
194 case HWC2::Callback::Refresh: {
195 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d :
197 d.second.RegisterRefreshCallback(data, function);
200 case HWC2::Callback::Vsync: {
201 for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d :
203 d.second.RegisterVsyncCallback(data, function);
209 return HWC2::Error::None;
212 DrmHwcTwo::HwcDisplay::HwcDisplay(ResourceManager *resource_manager,
213 DrmDevice *drm, hwc2_display_t handle,
214 HWC2::DisplayType type)
215 : resource_manager_(resource_manager),
219 color_transform_hint_(HAL_COLOR_TRANSFORM_IDENTITY) {
223 color_transform_matrix_ = {1.0, 0.0, 0.0, 0.0,
230 void DrmHwcTwo::HwcDisplay::ClearDisplay() {
231 compositor_.ClearDisplay();
234 HWC2::Error DrmHwcTwo::HwcDisplay::Init(std::vector<DrmPlane *> *planes) {
236 planner_ = Planner::CreateInstance(drm_);
238 ALOGE("Failed to create planner instance for composition");
239 return HWC2::Error::NoResources;
242 int display = static_cast<int>(handle_);
243 int ret = compositor_.Init(resource_manager_, display);
245 ALOGE("Failed display compositor init for display %d (%d)", display, ret);
246 return HWC2::Error::NoResources;
249 // Split up the given display planes into primary and overlay to properly
250 // interface with the composition
251 char use_overlay_planes_prop[PROPERTY_VALUE_MAX];
252 property_get("vendor.hwc.drm.use_overlay_planes", use_overlay_planes_prop,
254 bool use_overlay_planes = strtol(use_overlay_planes_prop, nullptr, 10);
255 for (auto &plane : *planes) {
256 if (plane->type() == DRM_PLANE_TYPE_PRIMARY)
257 primary_planes_.push_back(plane);
258 else if (use_overlay_planes && (plane)->type() == DRM_PLANE_TYPE_OVERLAY)
259 overlay_planes_.push_back(plane);
262 crtc_ = drm_->GetCrtcForDisplay(display);
264 ALOGE("Failed to get crtc for display %d", display);
265 return HWC2::Error::BadDisplay;
268 connector_ = drm_->GetConnectorForDisplay(display);
270 ALOGE("Failed to get connector for display %d", display);
271 return HWC2::Error::BadDisplay;
274 ret = vsync_worker_.Init(drm_, display);
276 ALOGE("Failed to create event worker for d=%d %d\n", display, ret);
277 return HWC2::Error::BadDisplay;
280 ret = BackendManager::GetInstance().SetBackendForDisplay(this);
282 ALOGE("Failed to set backend for d=%d %d\n", display, ret);
283 return HWC2::Error::BadDisplay;
286 return ChosePreferredConfig();
289 HWC2::Error DrmHwcTwo::HwcDisplay::ChosePreferredConfig() {
290 // Fetch the number of modes from the display
291 uint32_t num_configs = 0;
292 HWC2::Error err = GetDisplayConfigs(&num_configs, nullptr);
293 if (err != HWC2::Error::None || !num_configs)
296 return SetActiveConfig(connector_->get_preferred_mode_id());
299 void DrmHwcTwo::HwcDisplay::RegisterVsyncCallback(
300 hwc2_callback_data_t data, hwc2_function_pointer_t func) {
302 vsync_worker_.RegisterClientCallback(data, func);
305 void DrmHwcTwo::HwcDisplay::RegisterRefreshCallback(
306 hwc2_callback_data_t data, hwc2_function_pointer_t func) {
308 compositor_.SetRefreshCallback(data, func);
311 HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() {
313 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_)
314 l.second.accept_type_change();
315 return HWC2::Error::None;
318 HWC2::Error DrmHwcTwo::HwcDisplay::CreateLayer(hwc2_layer_t *layer) {
320 layers_.emplace(static_cast<hwc2_layer_t>(layer_idx_), HwcLayer());
321 *layer = static_cast<hwc2_layer_t>(layer_idx_);
323 return HWC2::Error::None;
326 HWC2::Error DrmHwcTwo::HwcDisplay::DestroyLayer(hwc2_layer_t layer) {
328 if (!get_layer(layer))
329 return HWC2::Error::BadLayer;
331 layers_.erase(layer);
332 return HWC2::Error::None;
335 HWC2::Error DrmHwcTwo::HwcDisplay::GetActiveConfig(hwc2_config_t *config) {
337 DrmMode const &mode = connector_->active_mode();
339 return HWC2::Error::BadConfig;
342 return HWC2::Error::None;
345 HWC2::Error DrmHwcTwo::HwcDisplay::GetChangedCompositionTypes(
346 uint32_t *num_elements, hwc2_layer_t *layers, int32_t *types) {
348 uint32_t num_changes = 0;
349 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
350 if (l.second.type_changed()) {
351 if (layers && num_changes < *num_elements)
352 layers[num_changes] = l.first;
353 if (types && num_changes < *num_elements)
354 types[num_changes] = static_cast<int32_t>(l.second.validated_type());
358 if (!layers && !types)
359 *num_elements = num_changes;
360 return HWC2::Error::None;
363 HWC2::Error DrmHwcTwo::HwcDisplay::GetClientTargetSupport(uint32_t width,
368 std::pair<uint32_t, uint32_t> min = drm_->min_resolution();
369 std::pair<uint32_t, uint32_t> max = drm_->max_resolution();
371 if (width < min.first || height < min.second)
372 return HWC2::Error::Unsupported;
374 if (width > max.first || height > max.second)
375 return HWC2::Error::Unsupported;
377 if (dataspace != HAL_DATASPACE_UNKNOWN)
378 return HWC2::Error::Unsupported;
380 // TODO(nobody): Validate format can be handled by either GL or planes
381 return HWC2::Error::None;
384 HWC2::Error DrmHwcTwo::HwcDisplay::GetColorModes(uint32_t *num_modes,
391 *modes = HAL_COLOR_MODE_NATIVE;
393 return HWC2::Error::None;
396 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayAttribute(hwc2_config_t config,
397 int32_t attribute_in,
400 auto mode = std::find_if(connector_->modes().begin(),
401 connector_->modes().end(),
402 [config](DrmMode const &m) {
403 return m.id() == config;
405 if (mode == connector_->modes().end()) {
406 ALOGE("Could not find active mode for %d", config);
407 return HWC2::Error::BadConfig;
410 static const int32_t kUmPerInch = 25400;
411 uint32_t mm_width = connector_->mm_width();
412 uint32_t mm_height = connector_->mm_height();
413 auto attribute = static_cast<HWC2::Attribute>(attribute_in);
415 case HWC2::Attribute::Width:
416 *value = mode->h_display();
418 case HWC2::Attribute::Height:
419 *value = mode->v_display();
421 case HWC2::Attribute::VsyncPeriod:
423 *value = 1000.0 * 1000.0 * 1000.0 / mode->v_refresh();
425 case HWC2::Attribute::DpiX:
426 // Dots per 1000 inches
427 *value = mm_width ? (mode->h_display() * kUmPerInch) / mm_width : -1;
429 case HWC2::Attribute::DpiY:
430 // Dots per 1000 inches
431 *value = mm_height ? (mode->v_display() * kUmPerInch) / mm_height : -1;
433 #if PLATFORM_SDK_VERSION > 29
434 case HWC2::Attribute::ConfigGroup:
435 *value = 0; /* TODO: Add support for config groups */
440 return HWC2::Error::BadConfig;
442 return HWC2::Error::None;
445 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConfigs(uint32_t *num_configs,
446 hwc2_config_t *configs) {
448 // Since this callback is normally invoked twice (once to get the count, and
449 // once to populate configs), we don't really want to read the edid
450 // redundantly. Instead, only update the modes on the first invocation. While
451 // it's possible this will result in stale modes, it'll all come out in the
452 // wash when we try to set the active config later.
454 int ret = connector_->UpdateModes();
456 ALOGE("Failed to update display modes %d", ret);
457 return HWC2::Error::BadDisplay;
461 // Since the upper layers only look at vactive/hactive/refresh, height and
462 // width, it doesn't differentiate interlaced from progressive and other
463 // similar modes. Depending on the order of modes we return to SF, it could
464 // end up choosing a suboptimal configuration and dropping the preferred
465 // mode. To workaround this, don't offer interlaced modes to SF if there is
466 // at least one non-interlaced alternative and only offer a single WxH@R
467 // mode with at least the prefered mode from in DrmConnector::UpdateModes()
469 // TODO(nobody): Remove the following block of code until AOSP handles all
471 std::vector<DrmMode> sel_modes;
473 // Add the preferred mode first to be sure it's not dropped
474 auto mode = std::find_if(connector_->modes().begin(),
475 connector_->modes().end(), [&](DrmMode const &m) {
477 connector_->get_preferred_mode_id();
479 if (mode != connector_->modes().end())
480 sel_modes.push_back(*mode);
482 // Add the active mode if different from preferred mode
483 if (connector_->active_mode().id() != connector_->get_preferred_mode_id())
484 sel_modes.push_back(connector_->active_mode());
486 // Cycle over the modes and filter out "similar" modes, keeping only the
487 // first ones in the order given by DRM (from CEA ids and timings order)
488 for (const DrmMode &mode : connector_->modes()) {
489 // TODO(nobody): Remove this when 3D Attributes are in AOSP
490 if (mode.flags() & DRM_MODE_FLAG_3D_MASK)
493 // TODO(nobody): Remove this when the Interlaced attribute is in AOSP
494 if (mode.flags() & DRM_MODE_FLAG_INTERLACE) {
495 auto m = std::find_if(connector_->modes().begin(),
496 connector_->modes().end(),
497 [&mode](DrmMode const &m) {
498 return !(m.flags() & DRM_MODE_FLAG_INTERLACE) &&
499 m.h_display() == mode.h_display() &&
500 m.v_display() == mode.v_display();
502 if (m == connector_->modes().end())
503 sel_modes.push_back(mode);
508 // Search for a similar WxH@R mode in the filtered list and drop it if
509 // another mode with the same WxH@R has already been selected
510 // TODO(nobody): Remove this when AOSP handles duplicates modes
511 auto m = std::find_if(sel_modes.begin(), sel_modes.end(),
512 [&mode](DrmMode const &m) {
513 return m.h_display() == mode.h_display() &&
514 m.v_display() == mode.v_display() &&
515 m.v_refresh() == mode.v_refresh();
517 if (m == sel_modes.end())
518 sel_modes.push_back(mode);
521 auto num_modes = static_cast<uint32_t>(sel_modes.size());
523 *num_configs = num_modes;
524 return HWC2::Error::None;
528 for (const DrmMode &mode : sel_modes) {
529 if (idx >= *num_configs)
531 configs[idx++] = mode.id();
534 return HWC2::Error::None;
537 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayName(uint32_t *size, char *name) {
539 std::ostringstream stream;
540 stream << "display-" << connector_->id();
541 std::string string = stream.str();
542 size_t length = string.length();
545 return HWC2::Error::None;
548 *size = std::min<uint32_t>(static_cast<uint32_t>(length - 1), *size);
549 strncpy(name, string.c_str(), *size);
550 return HWC2::Error::None;
553 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayRequests(int32_t *display_requests,
554 uint32_t *num_elements,
555 hwc2_layer_t *layers,
556 int32_t *layer_requests) {
558 // TODO(nobody): I think virtual display should request
559 // HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here
560 unsupported(__func__, display_requests, num_elements, layers, layer_requests);
562 return HWC2::Error::None;
565 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayType(int32_t *type) {
567 *type = static_cast<int32_t>(type_);
568 return HWC2::Error::None;
571 HWC2::Error DrmHwcTwo::HwcDisplay::GetDozeSupport(int32_t *support) {
574 return HWC2::Error::None;
577 HWC2::Error DrmHwcTwo::HwcDisplay::GetHdrCapabilities(
578 uint32_t *num_types, int32_t * /*types*/, float * /*max_luminance*/,
579 float * /*max_average_luminance*/, float * /*min_luminance*/) {
582 return HWC2::Error::None;
585 /* Find API details at:
586 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1767
588 HWC2::Error DrmHwcTwo::HwcDisplay::GetReleaseFences(uint32_t *num_elements,
589 hwc2_layer_t *layers,
592 uint32_t num_layers = 0;
594 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
596 if (layers == nullptr || fences == nullptr)
599 if (num_layers > *num_elements) {
600 ALOGW("Overflow num_elements %d/%d", num_layers, *num_elements);
601 return HWC2::Error::None;
604 layers[num_layers - 1] = l.first;
605 fences[num_layers - 1] = l.second.release_fence_.Release();
607 *num_elements = num_layers;
608 return HWC2::Error::None;
611 void DrmHwcTwo::HwcDisplay::AddFenceToPresentFence(UniqueFd fd) {
616 if (present_fence_) {
617 present_fence_ = UniqueFd(
618 sync_merge("dc_present", present_fence_.Get(), fd.Get()));
620 present_fence_ = std::move(fd);
624 HWC2::Error DrmHwcTwo::HwcDisplay::CreateComposition(bool test) {
625 // order the layers by z-order
626 bool use_client_layer = false;
627 uint32_t client_z_order = UINT32_MAX;
628 std::map<uint32_t, DrmHwcTwo::HwcLayer *> z_map;
629 for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) {
630 switch (l.second.validated_type()) {
631 case HWC2::Composition::Device:
632 z_map.emplace(std::make_pair(l.second.z_order(), &l.second));
634 case HWC2::Composition::Client:
635 // Place it at the z_order of the lowest client layer
636 use_client_layer = true;
637 client_z_order = std::min(client_z_order, l.second.z_order());
643 if (use_client_layer)
644 z_map.emplace(std::make_pair(client_z_order, &client_layer_));
647 return HWC2::Error::BadLayer;
649 std::vector<DrmHwcLayer> composition_layers;
651 // now that they're ordered by z, add them to the composition
652 for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
654 l.second->PopulateDrmLayer(&layer);
655 int ret = layer.ImportBuffer(drm_);
657 ALOGE("Failed to import layer, ret=%d", ret);
658 return HWC2::Error::NoResources;
660 composition_layers.emplace_back(std::move(layer));
663 auto composition = std::make_unique<DrmDisplayComposition>(crtc_,
666 // TODO(nobody): Don't always assume geometry changed
667 int ret = composition->SetLayers(composition_layers.data(),
668 composition_layers.size(), true);
670 ALOGE("Failed to set layers in the composition ret=%d", ret);
671 return HWC2::Error::BadLayer;
674 std::vector<DrmPlane *> primary_planes(primary_planes_);
675 std::vector<DrmPlane *> overlay_planes(overlay_planes_);
676 ret = composition->Plan(&primary_planes, &overlay_planes);
678 ALOGV("Failed to plan the composition ret=%d", ret);
679 return HWC2::Error::BadConfig;
682 // Disable the planes we're not using
683 for (auto i = primary_planes.begin(); i != primary_planes.end();) {
684 composition->AddPlaneDisable(*i);
685 i = primary_planes.erase(i);
687 for (auto i = overlay_planes.begin(); i != overlay_planes.end();) {
688 composition->AddPlaneDisable(*i);
689 i = overlay_planes.erase(i);
693 ret = compositor_.TestComposition(composition.get());
695 ret = compositor_.ApplyComposition(std::move(composition));
696 AddFenceToPresentFence(compositor_.TakeOutFence());
700 ALOGE("Failed to apply the frame composition ret=%d", ret);
701 return HWC2::Error::BadParameter;
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=1805
709 HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *present_fence) {
713 ++total_stats_.total_frames_;
715 ret = CreateComposition(false);
716 if (ret != HWC2::Error::None)
717 ++total_stats_.failed_kms_present_;
719 if (ret == HWC2::Error::BadLayer) {
720 // Can we really have no client or device layers?
722 return HWC2::Error::None;
724 if (ret != HWC2::Error::None)
727 *present_fence = present_fence_.Release();
730 return HWC2::Error::None;
733 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) {
735 auto mode = std::find_if(connector_->modes().begin(),
736 connector_->modes().end(),
737 [config](DrmMode const &m) {
738 return m.id() == config;
740 if (mode == connector_->modes().end()) {
741 ALOGE("Could not find active mode for %d", config);
742 return HWC2::Error::BadConfig;
745 auto composition = std::make_unique<DrmDisplayComposition>(crtc_,
747 int ret = composition->SetDisplayMode(*mode);
749 return HWC2::Error::BadConfig;
751 ret = compositor_.ApplyComposition(std::move(composition));
753 ALOGE("Failed to queue dpms composition on %d", ret);
754 return HWC2::Error::BadConfig;
757 connector_->set_active_mode(*mode);
759 // Setup the client layer's dimensions
760 hwc_rect_t display_frame = {.left = 0,
762 .right = static_cast<int>(mode->h_display()),
763 .bottom = static_cast<int>(mode->v_display())};
764 client_layer_.SetLayerDisplayFrame(display_frame);
766 return HWC2::Error::None;
769 /* Find API details at:
770 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1861
772 HWC2::Error DrmHwcTwo::HwcDisplay::SetClientTarget(buffer_handle_t target,
773 int32_t acquire_fence,
775 hwc_region_t /*damage*/) {
778 client_layer_.set_buffer(target);
779 client_layer_.acquire_fence_ = UniqueFd(acquire_fence);
780 client_layer_.SetLayerDataspace(dataspace);
782 /* TODO: Do not update source_crop every call.
783 * It makes sense to do it once after every hotplug event. */
785 BufferInfoGetter::GetInstance()->ConvertBoInfo(target, &bo);
787 hwc_frect_t source_crop = {.left = 0.0F,
789 .right = bo.width + 0.0F,
790 .bottom = bo.height + 0.0F};
791 client_layer_.SetLayerSourceCrop(source_crop);
793 return HWC2::Error::None;
796 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorMode(int32_t mode) {
799 if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG)
800 return HWC2::Error::BadParameter;
802 if (mode != HAL_COLOR_MODE_NATIVE)
803 return HWC2::Error::Unsupported;
806 return HWC2::Error::None;
809 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix,
812 if (hint < HAL_COLOR_TRANSFORM_IDENTITY ||
813 hint > HAL_COLOR_TRANSFORM_CORRECT_TRITANOPIA)
814 return HWC2::Error::BadParameter;
816 if (!matrix && hint == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX)
817 return HWC2::Error::BadParameter;
819 color_transform_hint_ = static_cast<android_color_transform_t>(hint);
820 if (color_transform_hint_ == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX)
821 std::copy(matrix, matrix + MATRIX_SIZE, color_transform_matrix_.begin());
823 return HWC2::Error::None;
826 HWC2::Error DrmHwcTwo::HwcDisplay::SetOutputBuffer(buffer_handle_t buffer,
827 int32_t release_fence) {
829 // TODO(nobody): Need virtual display support
830 return unsupported(__func__, buffer, release_fence);
833 HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) {
835 uint64_t dpms_value = 0;
836 auto mode = static_cast<HWC2::PowerMode>(mode_in);
838 case HWC2::PowerMode::Off:
839 dpms_value = DRM_MODE_DPMS_OFF;
841 case HWC2::PowerMode::On:
842 dpms_value = DRM_MODE_DPMS_ON;
844 case HWC2::PowerMode::Doze:
845 case HWC2::PowerMode::DozeSuspend:
846 return HWC2::Error::Unsupported;
848 ALOGI("Power mode %d is unsupported\n", mode);
849 return HWC2::Error::BadParameter;
852 auto composition = std::make_unique<DrmDisplayComposition>(crtc_,
854 composition->SetDpmsMode(dpms_value);
855 int ret = compositor_.ApplyComposition(std::move(composition));
857 ALOGE("Failed to apply the dpms composition ret=%d", ret);
858 return HWC2::Error::BadParameter;
860 return HWC2::Error::None;
863 HWC2::Error DrmHwcTwo::HwcDisplay::SetVsyncEnabled(int32_t enabled) {
865 vsync_worker_.VSyncControl(HWC2_VSYNC_ENABLE == enabled);
866 return HWC2::Error::None;
869 HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types,
870 uint32_t *num_requests) {
873 return backend_->ValidateDisplay(this, num_types, num_requests);
876 std::vector<DrmHwcTwo::HwcLayer *>
877 DrmHwcTwo::HwcDisplay::GetOrderLayersByZPos() {
878 std::vector<DrmHwcTwo::HwcLayer *> ordered_layers;
879 ordered_layers.reserve(layers_.size());
881 for (auto &[handle, layer] : layers_) {
882 ordered_layers.emplace_back(&layer);
885 std::sort(std::begin(ordered_layers), std::end(ordered_layers),
886 [](const DrmHwcTwo::HwcLayer *lhs, const DrmHwcTwo::HwcLayer *rhs) {
887 return lhs->z_order() < rhs->z_order();
890 return ordered_layers;
893 #if PLATFORM_SDK_VERSION > 29
894 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConnectionType(uint32_t *outType) {
895 if (connector_->internal())
896 *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::Internal);
897 else if (connector_->external())
898 *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::External);
900 return HWC2::Error::BadConfig;
902 return HWC2::Error::None;
905 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayVsyncPeriod(
906 hwc2_vsync_period_t *outVsyncPeriod /* ns */) {
908 DrmMode const &mode = connector_->active_mode();
910 return HWC2::Error::BadConfig;
912 *outVsyncPeriod = 1E9 / mode.v_refresh();
913 return HWC2::Error::None;
916 HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfigWithConstraints(
917 hwc2_config_t /*config*/,
918 hwc_vsync_period_change_constraints_t *vsyncPeriodChangeConstraints,
919 hwc_vsync_period_change_timeline_t *outTimeline) {
922 if (vsyncPeriodChangeConstraints == nullptr || outTimeline == nullptr) {
923 return HWC2::Error::BadParameter;
926 return HWC2::Error::BadConfig;
929 HWC2::Error DrmHwcTwo::HwcDisplay::SetAutoLowLatencyMode(bool /*on*/) {
930 return HWC2::Error::Unsupported;
933 HWC2::Error DrmHwcTwo::HwcDisplay::GetSupportedContentTypes(
934 uint32_t *outNumSupportedContentTypes,
935 const uint32_t *outSupportedContentTypes) {
936 if (outSupportedContentTypes == nullptr)
937 *outNumSupportedContentTypes = 0;
939 return HWC2::Error::None;
942 HWC2::Error DrmHwcTwo::HwcDisplay::SetContentType(int32_t contentType) {
945 if (contentType != HWC2_CONTENT_TYPE_NONE)
946 return HWC2::Error::Unsupported;
948 /* TODO: Map to the DRM Connector property:
949 * https://elixir.bootlin.com/linux/v5.4-rc5/source/drivers/gpu/drm/drm_connector.c#L809
952 return HWC2::Error::None;
956 #if PLATFORM_SDK_VERSION > 28
957 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayIdentificationData(
958 uint8_t *outPort, uint32_t *outDataSize, uint8_t *outData) {
961 drmModePropertyBlobPtr blob = nullptr;
963 if (connector_->GetEdidBlob(blob)) {
964 ALOGE("Failed to get edid property value.");
965 return HWC2::Error::Unsupported;
969 *outDataSize = std::min(*outDataSize, blob->length);
970 memcpy(outData, blob->data, *outDataSize);
972 *outDataSize = blob->length;
974 *outPort = connector_->id();
976 return HWC2::Error::None;
979 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayCapabilities(
980 uint32_t *outNumCapabilities, uint32_t *outCapabilities) {
981 unsupported(__func__, outCapabilities);
983 if (outNumCapabilities == nullptr) {
984 return HWC2::Error::BadParameter;
987 *outNumCapabilities = 0;
989 return HWC2::Error::None;
992 HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayBrightnessSupport(
995 return HWC2::Error::None;
998 HWC2::Error DrmHwcTwo::HwcDisplay::SetDisplayBrightness(
999 float /* brightness */) {
1000 return HWC2::Error::Unsupported;
1003 #endif /* PLATFORM_SDK_VERSION > 28 */
1005 #if PLATFORM_SDK_VERSION > 27
1007 HWC2::Error DrmHwcTwo::HwcDisplay::GetRenderIntents(
1008 int32_t mode, uint32_t *outNumIntents,
1009 int32_t * /*android_render_intent_v1_1_t*/ outIntents) {
1010 if (mode != HAL_COLOR_MODE_NATIVE) {
1011 return HWC2::Error::BadParameter;
1014 if (outIntents == nullptr) {
1016 return HWC2::Error::None;
1019 outIntents[0] = HAL_RENDER_INTENT_COLORIMETRIC;
1020 return HWC2::Error::None;
1023 HWC2::Error DrmHwcTwo::HwcDisplay::SetColorModeWithIntent(int32_t mode,
1025 if (intent < HAL_RENDER_INTENT_COLORIMETRIC ||
1026 intent > HAL_RENDER_INTENT_TONE_MAP_ENHANCE)
1027 return HWC2::Error::BadParameter;
1029 if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG)
1030 return HWC2::Error::BadParameter;
1032 if (mode != HAL_COLOR_MODE_NATIVE)
1033 return HWC2::Error::Unsupported;
1035 if (intent != HAL_RENDER_INTENT_COLORIMETRIC)
1036 return HWC2::Error::Unsupported;
1039 return HWC2::Error::None;
1042 #endif /* PLATFORM_SDK_VERSION > 27 */
1044 HWC2::Error DrmHwcTwo::HwcLayer::SetCursorPosition(int32_t x, int32_t y) {
1045 supported(__func__);
1048 return HWC2::Error::None;
1051 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBlendMode(int32_t mode) {
1052 supported(__func__);
1053 blending_ = static_cast<HWC2::BlendMode>(mode);
1054 return HWC2::Error::None;
1057 /* Find API details at:
1058 * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=2314
1060 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBuffer(buffer_handle_t buffer,
1061 int32_t acquire_fence) {
1062 supported(__func__);
1065 acquire_fence_ = UniqueFd(acquire_fence);
1066 return HWC2::Error::None;
1069 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t color) {
1070 // TODO(nobody): Put to client composition here?
1071 supported(__func__);
1072 layer_color_ = color;
1073 return HWC2::Error::None;
1076 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerCompositionType(int32_t type) {
1077 sf_type_ = static_cast<HWC2::Composition>(type);
1078 return HWC2::Error::None;
1081 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDataspace(int32_t dataspace) {
1082 supported(__func__);
1083 dataspace_ = static_cast<android_dataspace_t>(dataspace);
1084 return HWC2::Error::None;
1087 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDisplayFrame(hwc_rect_t frame) {
1088 supported(__func__);
1089 display_frame_ = frame;
1090 return HWC2::Error::None;
1093 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerPlaneAlpha(float alpha) {
1094 supported(__func__);
1096 return HWC2::Error::None;
1099 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSidebandStream(
1100 const native_handle_t *stream) {
1101 supported(__func__);
1102 // TODO(nobody): We don't support sideband
1103 return unsupported(__func__, stream);
1106 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSourceCrop(hwc_frect_t crop) {
1107 supported(__func__);
1108 source_crop_ = crop;
1109 return HWC2::Error::None;
1112 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSurfaceDamage(hwc_region_t damage) {
1113 supported(__func__);
1114 // TODO(nobody): We don't use surface damage, marking as unsupported
1115 unsupported(__func__, damage);
1116 return HWC2::Error::None;
1119 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerTransform(int32_t transform) {
1120 supported(__func__);
1121 transform_ = static_cast<HWC2::Transform>(transform);
1122 return HWC2::Error::None;
1125 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerVisibleRegion(hwc_region_t visible) {
1126 supported(__func__);
1127 // TODO(nobody): We don't use this information, marking as unsupported
1128 unsupported(__func__, visible);
1129 return HWC2::Error::None;
1132 HWC2::Error DrmHwcTwo::HwcLayer::SetLayerZOrder(uint32_t order) {
1133 supported(__func__);
1135 return HWC2::Error::None;
1138 void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) {
1139 supported(__func__);
1140 switch (blending_) {
1141 case HWC2::BlendMode::None:
1142 layer->blending = DrmHwcBlending::kNone;
1144 case HWC2::BlendMode::Premultiplied:
1145 layer->blending = DrmHwcBlending::kPreMult;
1147 case HWC2::BlendMode::Coverage:
1148 layer->blending = DrmHwcBlending::kCoverage;
1151 ALOGE("Unknown blending mode b=%d", blending_);
1152 layer->blending = DrmHwcBlending::kNone;
1156 layer->sf_handle = buffer_;
1157 // TODO(rsglobal): Avoid extra fd duplication
1158 layer->acquire_fence = UniqueFd(fcntl(acquire_fence_.Get(), F_DUPFD_CLOEXEC));
1159 layer->display_frame = display_frame_;
1160 layer->alpha = lround(65535.0F * alpha_);
1161 layer->source_crop = source_crop_;
1162 layer->SetTransform(static_cast<int32_t>(transform_));
1163 layer->dataspace = dataspace_;
1166 void DrmHwcTwo::HandleDisplayHotplug(hwc2_display_t displayid, int state) {
1167 const std::lock_guard<std::mutex> lock(hotplug_callback_lock);
1169 if (hotplug_callback_hook_ && hotplug_callback_data_)
1170 hotplug_callback_hook_(hotplug_callback_data_, displayid,
1171 state == DRM_MODE_CONNECTED
1172 ? HWC2_CONNECTION_CONNECTED
1173 : HWC2_CONNECTION_DISCONNECTED);
1176 void DrmHwcTwo::HandleInitialHotplugState(DrmDevice *drmDevice) {
1177 for (const auto &conn : drmDevice->connectors()) {
1178 if (conn->state() != DRM_MODE_CONNECTED)
1180 HandleDisplayHotplug(conn->display(), conn->state());
1184 void DrmHwcTwo::DrmHotplugHandler::HandleEvent(uint64_t timestamp_us) {
1185 for (const auto &conn : drm_->connectors()) {
1186 drmModeConnection old_state = conn->state();
1187 drmModeConnection cur_state = conn->UpdateModes()
1188 ? DRM_MODE_UNKNOWNCONNECTION
1191 if (cur_state == old_state)
1194 ALOGI("%s event @%" PRIu64 " for connector %u on display %d",
1195 cur_state == DRM_MODE_CONNECTED ? "Plug" : "Unplug", timestamp_us,
1196 conn->id(), conn->display());
1198 int display_id = conn->display();
1199 if (cur_state == DRM_MODE_CONNECTED) {
1200 auto &display = hwc2_->displays_.at(display_id);
1201 display.ChosePreferredConfig();
1203 auto &display = hwc2_->displays_.at(display_id);
1204 display.ClearDisplay();
1207 hwc2_->HandleDisplayHotplug(display_id, cur_state);
1212 int DrmHwcTwo::HookDevClose(hw_device_t * /*dev*/) {
1213 unsupported(__func__);
1218 void DrmHwcTwo::HookDevGetCapabilities(hwc2_device_t * /*dev*/,
1219 uint32_t *out_count,
1220 int32_t * /*out_capabilities*/) {
1221 supported(__func__);
1226 hwc2_function_pointer_t DrmHwcTwo::HookDevGetFunction(
1227 struct hwc2_device * /*dev*/, int32_t descriptor) {
1228 supported(__func__);
1229 auto func = static_cast<HWC2::FunctionDescriptor>(descriptor);
1232 case HWC2::FunctionDescriptor::CreateVirtualDisplay:
1233 return ToHook<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>(
1234 DeviceHook<int32_t, decltype(&DrmHwcTwo::CreateVirtualDisplay),
1235 &DrmHwcTwo::CreateVirtualDisplay, uint32_t, uint32_t,
1236 int32_t *, hwc2_display_t *>);
1237 case HWC2::FunctionDescriptor::DestroyVirtualDisplay:
1238 return ToHook<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>(
1239 DeviceHook<int32_t, decltype(&DrmHwcTwo::DestroyVirtualDisplay),
1240 &DrmHwcTwo::DestroyVirtualDisplay, hwc2_display_t>);
1241 case HWC2::FunctionDescriptor::Dump:
1242 return ToHook<HWC2_PFN_DUMP>(
1243 DeviceHook<void, decltype(&DrmHwcTwo::Dump), &DrmHwcTwo::Dump,
1244 uint32_t *, char *>);
1245 case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount:
1246 return ToHook<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>(
1247 DeviceHook<uint32_t, decltype(&DrmHwcTwo::GetMaxVirtualDisplayCount),
1248 &DrmHwcTwo::GetMaxVirtualDisplayCount>);
1249 case HWC2::FunctionDescriptor::RegisterCallback:
1250 return ToHook<HWC2_PFN_REGISTER_CALLBACK>(
1251 DeviceHook<int32_t, decltype(&DrmHwcTwo::RegisterCallback),
1252 &DrmHwcTwo::RegisterCallback, int32_t,
1253 hwc2_callback_data_t, hwc2_function_pointer_t>);
1255 // Display functions
1256 case HWC2::FunctionDescriptor::AcceptDisplayChanges:
1257 return ToHook<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>(
1258 DisplayHook<decltype(&HwcDisplay::AcceptDisplayChanges),
1259 &HwcDisplay::AcceptDisplayChanges>);
1260 case HWC2::FunctionDescriptor::CreateLayer:
1261 return ToHook<HWC2_PFN_CREATE_LAYER>(
1262 DisplayHook<decltype(&HwcDisplay::CreateLayer),
1263 &HwcDisplay::CreateLayer, hwc2_layer_t *>);
1264 case HWC2::FunctionDescriptor::DestroyLayer:
1265 return ToHook<HWC2_PFN_DESTROY_LAYER>(
1266 DisplayHook<decltype(&HwcDisplay::DestroyLayer),
1267 &HwcDisplay::DestroyLayer, hwc2_layer_t>);
1268 case HWC2::FunctionDescriptor::GetActiveConfig:
1269 return ToHook<HWC2_PFN_GET_ACTIVE_CONFIG>(
1270 DisplayHook<decltype(&HwcDisplay::GetActiveConfig),
1271 &HwcDisplay::GetActiveConfig, hwc2_config_t *>);
1272 case HWC2::FunctionDescriptor::GetChangedCompositionTypes:
1273 return ToHook<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>(
1274 DisplayHook<decltype(&HwcDisplay::GetChangedCompositionTypes),
1275 &HwcDisplay::GetChangedCompositionTypes, uint32_t *,
1276 hwc2_layer_t *, int32_t *>);
1277 case HWC2::FunctionDescriptor::GetClientTargetSupport:
1278 return ToHook<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>(
1279 DisplayHook<decltype(&HwcDisplay::GetClientTargetSupport),
1280 &HwcDisplay::GetClientTargetSupport, uint32_t, uint32_t,
1282 case HWC2::FunctionDescriptor::GetColorModes:
1283 return ToHook<HWC2_PFN_GET_COLOR_MODES>(
1284 DisplayHook<decltype(&HwcDisplay::GetColorModes),
1285 &HwcDisplay::GetColorModes, uint32_t *, int32_t *>);
1286 case HWC2::FunctionDescriptor::GetDisplayAttribute:
1287 return ToHook<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(
1288 DisplayHook<decltype(&HwcDisplay::GetDisplayAttribute),
1289 &HwcDisplay::GetDisplayAttribute, hwc2_config_t, int32_t,
1291 case HWC2::FunctionDescriptor::GetDisplayConfigs:
1292 return ToHook<HWC2_PFN_GET_DISPLAY_CONFIGS>(
1293 DisplayHook<decltype(&HwcDisplay::GetDisplayConfigs),
1294 &HwcDisplay::GetDisplayConfigs, uint32_t *,
1296 case HWC2::FunctionDescriptor::GetDisplayName:
1297 return ToHook<HWC2_PFN_GET_DISPLAY_NAME>(
1298 DisplayHook<decltype(&HwcDisplay::GetDisplayName),
1299 &HwcDisplay::GetDisplayName, uint32_t *, char *>);
1300 case HWC2::FunctionDescriptor::GetDisplayRequests:
1301 return ToHook<HWC2_PFN_GET_DISPLAY_REQUESTS>(
1302 DisplayHook<decltype(&HwcDisplay::GetDisplayRequests),
1303 &HwcDisplay::GetDisplayRequests, int32_t *, uint32_t *,
1304 hwc2_layer_t *, int32_t *>);
1305 case HWC2::FunctionDescriptor::GetDisplayType:
1306 return ToHook<HWC2_PFN_GET_DISPLAY_TYPE>(
1307 DisplayHook<decltype(&HwcDisplay::GetDisplayType),
1308 &HwcDisplay::GetDisplayType, int32_t *>);
1309 case HWC2::FunctionDescriptor::GetDozeSupport:
1310 return ToHook<HWC2_PFN_GET_DOZE_SUPPORT>(
1311 DisplayHook<decltype(&HwcDisplay::GetDozeSupport),
1312 &HwcDisplay::GetDozeSupport, int32_t *>);
1313 case HWC2::FunctionDescriptor::GetHdrCapabilities:
1314 return ToHook<HWC2_PFN_GET_HDR_CAPABILITIES>(
1315 DisplayHook<decltype(&HwcDisplay::GetHdrCapabilities),
1316 &HwcDisplay::GetHdrCapabilities, uint32_t *, int32_t *,
1317 float *, float *, float *>);
1318 case HWC2::FunctionDescriptor::GetReleaseFences:
1319 return ToHook<HWC2_PFN_GET_RELEASE_FENCES>(
1320 DisplayHook<decltype(&HwcDisplay::GetReleaseFences),
1321 &HwcDisplay::GetReleaseFences, uint32_t *, hwc2_layer_t *,
1323 case HWC2::FunctionDescriptor::PresentDisplay:
1324 return ToHook<HWC2_PFN_PRESENT_DISPLAY>(
1325 DisplayHook<decltype(&HwcDisplay::PresentDisplay),
1326 &HwcDisplay::PresentDisplay, int32_t *>);
1327 case HWC2::FunctionDescriptor::SetActiveConfig:
1328 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG>(
1329 DisplayHook<decltype(&HwcDisplay::SetActiveConfig),
1330 &HwcDisplay::SetActiveConfig, hwc2_config_t>);
1331 case HWC2::FunctionDescriptor::SetClientTarget:
1332 return ToHook<HWC2_PFN_SET_CLIENT_TARGET>(
1333 DisplayHook<decltype(&HwcDisplay::SetClientTarget),
1334 &HwcDisplay::SetClientTarget, buffer_handle_t, int32_t,
1335 int32_t, hwc_region_t>);
1336 case HWC2::FunctionDescriptor::SetColorMode:
1337 return ToHook<HWC2_PFN_SET_COLOR_MODE>(
1338 DisplayHook<decltype(&HwcDisplay::SetColorMode),
1339 &HwcDisplay::SetColorMode, int32_t>);
1340 case HWC2::FunctionDescriptor::SetColorTransform:
1341 return ToHook<HWC2_PFN_SET_COLOR_TRANSFORM>(
1342 DisplayHook<decltype(&HwcDisplay::SetColorTransform),
1343 &HwcDisplay::SetColorTransform, const float *, int32_t>);
1344 case HWC2::FunctionDescriptor::SetOutputBuffer:
1345 return ToHook<HWC2_PFN_SET_OUTPUT_BUFFER>(
1346 DisplayHook<decltype(&HwcDisplay::SetOutputBuffer),
1347 &HwcDisplay::SetOutputBuffer, buffer_handle_t, int32_t>);
1348 case HWC2::FunctionDescriptor::SetPowerMode:
1349 return ToHook<HWC2_PFN_SET_POWER_MODE>(
1350 DisplayHook<decltype(&HwcDisplay::SetPowerMode),
1351 &HwcDisplay::SetPowerMode, int32_t>);
1352 case HWC2::FunctionDescriptor::SetVsyncEnabled:
1353 return ToHook<HWC2_PFN_SET_VSYNC_ENABLED>(
1354 DisplayHook<decltype(&HwcDisplay::SetVsyncEnabled),
1355 &HwcDisplay::SetVsyncEnabled, int32_t>);
1356 case HWC2::FunctionDescriptor::ValidateDisplay:
1357 return ToHook<HWC2_PFN_VALIDATE_DISPLAY>(
1358 DisplayHook<decltype(&HwcDisplay::ValidateDisplay),
1359 &HwcDisplay::ValidateDisplay, uint32_t *, uint32_t *>);
1360 #if PLATFORM_SDK_VERSION > 27
1361 case HWC2::FunctionDescriptor::GetRenderIntents:
1362 return ToHook<HWC2_PFN_GET_RENDER_INTENTS>(
1363 DisplayHook<decltype(&HwcDisplay::GetRenderIntents),
1364 &HwcDisplay::GetRenderIntents, int32_t, uint32_t *,
1366 case HWC2::FunctionDescriptor::SetColorModeWithRenderIntent:
1367 return ToHook<HWC2_PFN_SET_COLOR_MODE_WITH_RENDER_INTENT>(
1368 DisplayHook<decltype(&HwcDisplay::SetColorModeWithIntent),
1369 &HwcDisplay::SetColorModeWithIntent, int32_t, int32_t>);
1371 #if PLATFORM_SDK_VERSION > 28
1372 case HWC2::FunctionDescriptor::GetDisplayIdentificationData:
1373 return ToHook<HWC2_PFN_GET_DISPLAY_IDENTIFICATION_DATA>(
1374 DisplayHook<decltype(&HwcDisplay::GetDisplayIdentificationData),
1375 &HwcDisplay::GetDisplayIdentificationData, uint8_t *,
1376 uint32_t *, uint8_t *>);
1377 case HWC2::FunctionDescriptor::GetDisplayCapabilities:
1378 return ToHook<HWC2_PFN_GET_DISPLAY_CAPABILITIES>(
1379 DisplayHook<decltype(&HwcDisplay::GetDisplayCapabilities),
1380 &HwcDisplay::GetDisplayCapabilities, uint32_t *,
1382 case HWC2::FunctionDescriptor::GetDisplayBrightnessSupport:
1383 return ToHook<HWC2_PFN_GET_DISPLAY_BRIGHTNESS_SUPPORT>(
1384 DisplayHook<decltype(&HwcDisplay::GetDisplayBrightnessSupport),
1385 &HwcDisplay::GetDisplayBrightnessSupport, bool *>);
1386 case HWC2::FunctionDescriptor::SetDisplayBrightness:
1387 return ToHook<HWC2_PFN_SET_DISPLAY_BRIGHTNESS>(
1388 DisplayHook<decltype(&HwcDisplay::SetDisplayBrightness),
1389 &HwcDisplay::SetDisplayBrightness, float>);
1390 #endif /* PLATFORM_SDK_VERSION > 28 */
1391 #if PLATFORM_SDK_VERSION > 29
1392 case HWC2::FunctionDescriptor::GetDisplayConnectionType:
1393 return ToHook<HWC2_PFN_GET_DISPLAY_CONNECTION_TYPE>(
1394 DisplayHook<decltype(&HwcDisplay::GetDisplayConnectionType),
1395 &HwcDisplay::GetDisplayConnectionType, uint32_t *>);
1396 case HWC2::FunctionDescriptor::GetDisplayVsyncPeriod:
1397 return ToHook<HWC2_PFN_GET_DISPLAY_VSYNC_PERIOD>(
1398 DisplayHook<decltype(&HwcDisplay::GetDisplayVsyncPeriod),
1399 &HwcDisplay::GetDisplayVsyncPeriod,
1400 hwc2_vsync_period_t *>);
1401 case HWC2::FunctionDescriptor::SetActiveConfigWithConstraints:
1402 return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG_WITH_CONSTRAINTS>(
1403 DisplayHook<decltype(&HwcDisplay::SetActiveConfigWithConstraints),
1404 &HwcDisplay::SetActiveConfigWithConstraints,
1405 hwc2_config_t, hwc_vsync_period_change_constraints_t *,
1406 hwc_vsync_period_change_timeline_t *>);
1407 case HWC2::FunctionDescriptor::SetAutoLowLatencyMode:
1408 return ToHook<HWC2_PFN_SET_AUTO_LOW_LATENCY_MODE>(
1409 DisplayHook<decltype(&HwcDisplay::SetAutoLowLatencyMode),
1410 &HwcDisplay::SetAutoLowLatencyMode, bool>);
1411 case HWC2::FunctionDescriptor::GetSupportedContentTypes:
1412 return ToHook<HWC2_PFN_GET_SUPPORTED_CONTENT_TYPES>(
1413 DisplayHook<decltype(&HwcDisplay::GetSupportedContentTypes),
1414 &HwcDisplay::GetSupportedContentTypes, uint32_t *,
1416 case HWC2::FunctionDescriptor::SetContentType:
1417 return ToHook<HWC2_PFN_SET_CONTENT_TYPE>(
1418 DisplayHook<decltype(&HwcDisplay::SetContentType),
1419 &HwcDisplay::SetContentType, int32_t>);
1422 case HWC2::FunctionDescriptor::SetCursorPosition:
1423 return ToHook<HWC2_PFN_SET_CURSOR_POSITION>(
1424 LayerHook<decltype(&HwcLayer::SetCursorPosition),
1425 &HwcLayer::SetCursorPosition, int32_t, int32_t>);
1426 case HWC2::FunctionDescriptor::SetLayerBlendMode:
1427 return ToHook<HWC2_PFN_SET_LAYER_BLEND_MODE>(
1428 LayerHook<decltype(&HwcLayer::SetLayerBlendMode),
1429 &HwcLayer::SetLayerBlendMode, int32_t>);
1430 case HWC2::FunctionDescriptor::SetLayerBuffer:
1431 return ToHook<HWC2_PFN_SET_LAYER_BUFFER>(
1432 LayerHook<decltype(&HwcLayer::SetLayerBuffer),
1433 &HwcLayer::SetLayerBuffer, buffer_handle_t, int32_t>);
1434 case HWC2::FunctionDescriptor::SetLayerColor:
1435 return ToHook<HWC2_PFN_SET_LAYER_COLOR>(
1436 LayerHook<decltype(&HwcLayer::SetLayerColor),
1437 &HwcLayer::SetLayerColor, hwc_color_t>);
1438 case HWC2::FunctionDescriptor::SetLayerCompositionType:
1439 return ToHook<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>(
1440 LayerHook<decltype(&HwcLayer::SetLayerCompositionType),
1441 &HwcLayer::SetLayerCompositionType, int32_t>);
1442 case HWC2::FunctionDescriptor::SetLayerDataspace:
1443 return ToHook<HWC2_PFN_SET_LAYER_DATASPACE>(
1444 LayerHook<decltype(&HwcLayer::SetLayerDataspace),
1445 &HwcLayer::SetLayerDataspace, int32_t>);
1446 case HWC2::FunctionDescriptor::SetLayerDisplayFrame:
1447 return ToHook<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>(
1448 LayerHook<decltype(&HwcLayer::SetLayerDisplayFrame),
1449 &HwcLayer::SetLayerDisplayFrame, hwc_rect_t>);
1450 case HWC2::FunctionDescriptor::SetLayerPlaneAlpha:
1451 return ToHook<HWC2_PFN_SET_LAYER_PLANE_ALPHA>(
1452 LayerHook<decltype(&HwcLayer::SetLayerPlaneAlpha),
1453 &HwcLayer::SetLayerPlaneAlpha, float>);
1454 case HWC2::FunctionDescriptor::SetLayerSidebandStream:
1455 return ToHook<HWC2_PFN_SET_LAYER_SIDEBAND_STREAM>(
1456 LayerHook<decltype(&HwcLayer::SetLayerSidebandStream),
1457 &HwcLayer::SetLayerSidebandStream,
1458 const native_handle_t *>);
1459 case HWC2::FunctionDescriptor::SetLayerSourceCrop:
1460 return ToHook<HWC2_PFN_SET_LAYER_SOURCE_CROP>(
1461 LayerHook<decltype(&HwcLayer::SetLayerSourceCrop),
1462 &HwcLayer::SetLayerSourceCrop, hwc_frect_t>);
1463 case HWC2::FunctionDescriptor::SetLayerSurfaceDamage:
1464 return ToHook<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>(
1465 LayerHook<decltype(&HwcLayer::SetLayerSurfaceDamage),
1466 &HwcLayer::SetLayerSurfaceDamage, hwc_region_t>);
1467 case HWC2::FunctionDescriptor::SetLayerTransform:
1468 return ToHook<HWC2_PFN_SET_LAYER_TRANSFORM>(
1469 LayerHook<decltype(&HwcLayer::SetLayerTransform),
1470 &HwcLayer::SetLayerTransform, int32_t>);
1471 case HWC2::FunctionDescriptor::SetLayerVisibleRegion:
1472 return ToHook<HWC2_PFN_SET_LAYER_VISIBLE_REGION>(
1473 LayerHook<decltype(&HwcLayer::SetLayerVisibleRegion),
1474 &HwcLayer::SetLayerVisibleRegion, hwc_region_t>);
1475 case HWC2::FunctionDescriptor::SetLayerZOrder:
1476 return ToHook<HWC2_PFN_SET_LAYER_Z_ORDER>(
1477 LayerHook<decltype(&HwcLayer::SetLayerZOrder),
1478 &HwcLayer::SetLayerZOrder, uint32_t>);
1479 case HWC2::FunctionDescriptor::Invalid:
1486 int DrmHwcTwo::HookDevOpen(const struct hw_module_t *module, const char *name,
1487 struct hw_device_t **dev) {
1488 supported(__func__);
1489 if (strcmp(name, HWC_HARDWARE_COMPOSER) != 0) {
1490 ALOGE("Invalid module name- %s", name);
1494 std::unique_ptr<DrmHwcTwo> ctx(new DrmHwcTwo());
1496 ALOGE("Failed to allocate DrmHwcTwo");
1500 HWC2::Error err = ctx->Init();
1501 if (err != HWC2::Error::None) {
1502 ALOGE("Failed to initialize DrmHwcTwo err=%d\n", err);
1506 ctx->common.module = (hw_module_t *)module;
1507 *dev = &ctx->common;
1508 ctx.release(); // NOLINT(bugprone-unused-return-value)
1511 } // namespace android
1513 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
1514 static struct hw_module_methods_t hwc2_module_methods = {
1515 .open = android::DrmHwcTwo::HookDevOpen,
1518 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
1519 hw_module_t HAL_MODULE_INFO_SYM = {
1520 .tag = HARDWARE_MODULE_TAG,
1521 .module_api_version = HARDWARE_MODULE_API_VERSION(2, 0),
1522 .id = HWC_HARDWARE_MODULE_ID,
1523 .name = "DrmHwcTwo module",
1524 .author = "The Android Open Source Project",
1525 .methods = &hwc2_module_methods,