| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "hwc-display" |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| |
| #include "HwcDisplay.h" |
| |
| #include "DrmHwcTwo.h" |
| #include "backend/BackendManager.h" |
| #include "bufferinfo/BufferInfoGetter.h" |
| #include "utils/log.h" |
| #include "utils/properties.h" |
| |
| namespace android { |
| |
| std::string HwcDisplay::DumpDelta(HwcDisplay::Stats delta) { |
| if (delta.total_pixops_ == 0) |
| return "No stats yet"; |
| double ratio = 1.0 - double(delta.gpu_pixops_) / double(delta.total_pixops_); |
| |
| std::stringstream ss; |
| ss << " Total frames count: " << delta.total_frames_ << "\n" |
| << " Failed to test commit frames: " << delta.failed_kms_validate_ << "\n" |
| << " Failed to commit frames: " << delta.failed_kms_present_ << "\n" |
| << ((delta.failed_kms_present_ > 0) |
| ? " !!! Internal failure, FIX it please\n" |
| : "") |
| << " Flattened frames: " << delta.frames_flattened_ << "\n" |
| << " Pixel operations (free units)" |
| << " : [TOTAL: " << delta.total_pixops_ << " / GPU: " << delta.gpu_pixops_ |
| << "]\n" |
| << " Composition efficiency: " << ratio; |
| |
| return ss.str(); |
| } |
| |
| std::string HwcDisplay::Dump() { |
| std::string flattening_state_str; |
| switch (flattenning_state_) { |
| case ClientFlattenningState::Disabled: |
| flattening_state_str = "Disabled"; |
| break; |
| case ClientFlattenningState::NotRequired: |
| flattening_state_str = "Not needed"; |
| break; |
| case ClientFlattenningState::Flattened: |
| flattening_state_str = "Active"; |
| break; |
| case ClientFlattenningState::ClientRefreshRequested: |
| flattening_state_str = "Refresh requested"; |
| break; |
| default: |
| flattening_state_str = std::to_string(flattenning_state_) + |
| " VSync remains"; |
| } |
| |
| std::stringstream ss; |
| ss << "- Display on: " << connector_->GetName() << "\n" |
| << " Flattening state: " << flattening_state_str << "\n" |
| << "Statistics since system boot:\n" |
| << DumpDelta(total_stats_) << "\n\n" |
| << "Statistics since last dumpsys request:\n" |
| << DumpDelta(total_stats_.minus(prev_stats_)) << "\n\n"; |
| |
| memcpy(&prev_stats_, &total_stats_, sizeof(Stats)); |
| return ss.str(); |
| } |
| |
| HwcDisplay::HwcDisplay(ResourceManager *resource_manager, DrmDevice *drm, |
| hwc2_display_t handle, HWC2::DisplayType type, |
| DrmHwcTwo *hwc2) |
| : hwc2_(hwc2), |
| resource_manager_(resource_manager), |
| drm_(drm), |
| handle_(handle), |
| type_(type), |
| color_transform_hint_(HAL_COLOR_TRANSFORM_IDENTITY) { |
| // clang-format off |
| color_transform_matrix_ = {1.0, 0.0, 0.0, 0.0, |
| 0.0, 1.0, 0.0, 0.0, |
| 0.0, 0.0, 1.0, 0.0, |
| 0.0, 0.0, 0.0, 1.0}; |
| // clang-format on |
| } |
| |
| void HwcDisplay::ClearDisplay() { |
| if (IsInHeadlessMode()) { |
| ALOGE("%s: Headless mode, should never reach here: ", __func__); |
| return; |
| } |
| |
| AtomicCommitArgs a_args = {.clear_active_composition = true}; |
| compositor_.ExecuteAtomicCommit(a_args); |
| } |
| |
| HWC2::Error HwcDisplay::Init(std::vector<DrmPlane *> *planes) { |
| int display = static_cast<int>(handle_); |
| int ret = compositor_.Init(resource_manager_, display); |
| if (ret) { |
| ALOGE("Failed display compositor init for display %d (%d)", display, ret); |
| return HWC2::Error::NoResources; |
| } |
| |
| // Split up the given display planes into primary and overlay to properly |
| // interface with the composition |
| char use_overlay_planes_prop[PROPERTY_VALUE_MAX]; |
| property_get("vendor.hwc.drm.use_overlay_planes", use_overlay_planes_prop, |
| "1"); |
| bool use_overlay_planes = strtol(use_overlay_planes_prop, nullptr, 10); |
| for (auto &plane : *planes) { |
| if (plane->GetType() == DRM_PLANE_TYPE_PRIMARY) |
| primary_planes_.push_back(plane); |
| else if (use_overlay_planes && (plane)->GetType() == DRM_PLANE_TYPE_OVERLAY) |
| overlay_planes_.push_back(plane); |
| } |
| |
| crtc_ = drm_->GetCrtcForDisplay(display); |
| if (!crtc_) { |
| ALOGE("Failed to get crtc for display %d", display); |
| return HWC2::Error::BadDisplay; |
| } |
| |
| connector_ = drm_->GetConnectorForDisplay(display); |
| if (!connector_) { |
| ALOGE("Failed to get connector for display %d", display); |
| return HWC2::Error::BadDisplay; |
| } |
| |
| ret = vsync_worker_.Init(drm_, display, [this](int64_t timestamp) { |
| const std::lock_guard<std::mutex> lock(hwc2_->GetResMan().GetMainLock()); |
| /* vsync callback */ |
| #if PLATFORM_SDK_VERSION > 29 |
| if (hwc2_->vsync_2_4_callback_.first != nullptr && |
| hwc2_->vsync_2_4_callback_.second != nullptr) { |
| hwc2_vsync_period_t period_ns{}; |
| GetDisplayVsyncPeriod(&period_ns); |
| hwc2_->vsync_2_4_callback_.first(hwc2_->vsync_2_4_callback_.second, |
| handle_, timestamp, period_ns); |
| } else |
| #endif |
| if (hwc2_->vsync_callback_.first != nullptr && |
| hwc2_->vsync_callback_.second != nullptr) { |
| hwc2_->vsync_callback_.first(hwc2_->vsync_callback_.second, handle_, |
| timestamp); |
| } |
| }); |
| if (ret) { |
| ALOGE("Failed to create event worker for d=%d %d\n", display, ret); |
| return HWC2::Error::BadDisplay; |
| } |
| |
| ret = flattening_vsync_worker_ |
| .Init(drm_, display, [this](int64_t /*timestamp*/) { |
| const std::lock_guard<std::mutex> lock( |
| hwc2_->GetResMan().GetMainLock()); |
| /* Frontend flattening */ |
| if (flattenning_state_ > |
| ClientFlattenningState::ClientRefreshRequested && |
| --flattenning_state_ == |
| ClientFlattenningState::ClientRefreshRequested && |
| hwc2_->refresh_callback_.first != nullptr && |
| hwc2_->refresh_callback_.second != nullptr) { |
| hwc2_->refresh_callback_.first(hwc2_->refresh_callback_.second, |
| handle_); |
| flattening_vsync_worker_.VSyncControl(false); |
| } |
| }); |
| if (ret) { |
| ALOGE("Failed to create event worker for d=%d %d\n", display, ret); |
| return HWC2::Error::BadDisplay; |
| } |
| |
| ret = BackendManager::GetInstance().SetBackendForDisplay(this); |
| if (ret) { |
| ALOGE("Failed to set backend for d=%d %d\n", display, ret); |
| return HWC2::Error::BadDisplay; |
| } |
| |
| client_layer_.SetLayerBlendMode(HWC2_BLEND_MODE_PREMULTIPLIED); |
| |
| return ChosePreferredConfig(); |
| } |
| |
| HWC2::Error HwcDisplay::ChosePreferredConfig() { |
| HWC2::Error err = configs_.Update(*connector_); |
| if (!IsInHeadlessMode() && err != HWC2::Error::None) |
| return HWC2::Error::BadDisplay; |
| |
| return SetActiveConfig(configs_.preferred_config_id); |
| } |
| |
| HWC2::Error HwcDisplay::AcceptDisplayChanges() { |
| for (std::pair<const hwc2_layer_t, HwcLayer> &l : layers_) |
| l.second.AcceptTypeChange(); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::CreateLayer(hwc2_layer_t *layer) { |
| layers_.emplace(static_cast<hwc2_layer_t>(layer_idx_), HwcLayer()); |
| *layer = static_cast<hwc2_layer_t>(layer_idx_); |
| ++layer_idx_; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::DestroyLayer(hwc2_layer_t layer) { |
| if (!get_layer(layer)) |
| return HWC2::Error::BadLayer; |
| |
| layers_.erase(layer); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetActiveConfig(hwc2_config_t *config) const { |
| if (configs_.hwc_configs.count(configs_.active_config_id) == 0) |
| return HWC2::Error::BadConfig; |
| |
| *config = configs_.active_config_id; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetChangedCompositionTypes(uint32_t *num_elements, |
| hwc2_layer_t *layers, |
| int32_t *types) { |
| if (IsInHeadlessMode()) { |
| *num_elements = 0; |
| return HWC2::Error::None; |
| } |
| |
| uint32_t num_changes = 0; |
| for (std::pair<const hwc2_layer_t, HwcLayer> &l : layers_) { |
| if (l.second.IsTypeChanged()) { |
| if (layers && num_changes < *num_elements) |
| layers[num_changes] = l.first; |
| if (types && num_changes < *num_elements) |
| types[num_changes] = static_cast<int32_t>(l.second.GetValidatedType()); |
| ++num_changes; |
| } |
| } |
| if (!layers && !types) |
| *num_elements = num_changes; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetClientTargetSupport(uint32_t width, uint32_t height, |
| int32_t /*format*/, |
| int32_t dataspace) { |
| std::pair<uint32_t, uint32_t> min = drm_->min_resolution(); |
| std::pair<uint32_t, uint32_t> max = drm_->max_resolution(); |
| if (IsInHeadlessMode()) { |
| return HWC2::Error::None; |
| } |
| |
| if (width < min.first || height < min.second) |
| return HWC2::Error::Unsupported; |
| |
| if (width > max.first || height > max.second) |
| return HWC2::Error::Unsupported; |
| |
| if (dataspace != HAL_DATASPACE_UNKNOWN) |
| return HWC2::Error::Unsupported; |
| |
| // TODO(nobody): Validate format can be handled by either GL or planes |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetColorModes(uint32_t *num_modes, int32_t *modes) { |
| if (!modes) |
| *num_modes = 1; |
| |
| if (modes) |
| *modes = HAL_COLOR_MODE_NATIVE; |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDisplayAttribute(hwc2_config_t config, |
| int32_t attribute_in, |
| int32_t *value) { |
| int conf = static_cast<int>(config); |
| |
| if (configs_.hwc_configs.count(conf) == 0) { |
| ALOGE("Could not find active mode for %d", conf); |
| return HWC2::Error::BadConfig; |
| } |
| |
| auto &hwc_config = configs_.hwc_configs[conf]; |
| |
| static const int32_t kUmPerInch = 25400; |
| uint32_t mm_width = configs_.mm_width; |
| uint32_t mm_height = configs_.mm_height; |
| auto attribute = static_cast<HWC2::Attribute>(attribute_in); |
| switch (attribute) { |
| case HWC2::Attribute::Width: |
| *value = static_cast<int>(hwc_config.mode.h_display()); |
| break; |
| case HWC2::Attribute::Height: |
| *value = static_cast<int>(hwc_config.mode.v_display()); |
| break; |
| case HWC2::Attribute::VsyncPeriod: |
| // in nanoseconds |
| *value = static_cast<int>(1E9 / hwc_config.mode.v_refresh()); |
| break; |
| case HWC2::Attribute::DpiX: |
| // Dots per 1000 inches |
| *value = mm_width ? static_cast<int>(hwc_config.mode.h_display() * |
| kUmPerInch / mm_width) |
| : -1; |
| break; |
| case HWC2::Attribute::DpiY: |
| // Dots per 1000 inches |
| *value = mm_height ? static_cast<int>(hwc_config.mode.v_display() * |
| kUmPerInch / mm_height) |
| : -1; |
| break; |
| #if PLATFORM_SDK_VERSION > 29 |
| case HWC2::Attribute::ConfigGroup: |
| /* Dispite ConfigGroup is a part of HWC2.4 API, framework |
| * able to request it even if service @2.1 is used */ |
| *value = hwc_config.group_id; |
| break; |
| #endif |
| default: |
| *value = -1; |
| return HWC2::Error::BadConfig; |
| } |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDisplayConfigs(uint32_t *num_configs, |
| hwc2_config_t *configs) { |
| uint32_t idx = 0; |
| for (auto &hwc_config : configs_.hwc_configs) { |
| if (hwc_config.second.disabled) { |
| continue; |
| } |
| |
| if (configs != nullptr) { |
| if (idx >= *num_configs) { |
| break; |
| } |
| configs[idx] = hwc_config.second.id; |
| } |
| |
| idx++; |
| } |
| *num_configs = idx; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDisplayName(uint32_t *size, char *name) { |
| std::ostringstream stream; |
| stream << "display-" << connector_->GetId(); |
| std::string string = stream.str(); |
| size_t length = string.length(); |
| if (!name) { |
| *size = length; |
| return HWC2::Error::None; |
| } |
| |
| *size = std::min<uint32_t>(static_cast<uint32_t>(length - 1), *size); |
| strncpy(name, string.c_str(), *size); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDisplayRequests(int32_t * /*display_requests*/, |
| uint32_t *num_elements, |
| hwc2_layer_t * /*layers*/, |
| int32_t * /*layer_requests*/) { |
| // TODO(nobody): I think virtual display should request |
| // HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here |
| *num_elements = 0; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDisplayType(int32_t *type) { |
| *type = static_cast<int32_t>(type_); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDozeSupport(int32_t *support) { |
| *support = 0; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetHdrCapabilities(uint32_t *num_types, |
| int32_t * /*types*/, |
| float * /*max_luminance*/, |
| float * /*max_average_luminance*/, |
| float * /*min_luminance*/) { |
| *num_types = 0; |
| return HWC2::Error::None; |
| } |
| |
| /* Find API details at: |
| * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1767 |
| */ |
| HWC2::Error HwcDisplay::GetReleaseFences(uint32_t *num_elements, |
| hwc2_layer_t *layers, |
| int32_t *fences) { |
| if (IsInHeadlessMode()) { |
| *num_elements = 0; |
| return HWC2::Error::None; |
| } |
| |
| uint32_t num_layers = 0; |
| |
| for (std::pair<const hwc2_layer_t, HwcLayer> &l : layers_) { |
| ++num_layers; |
| if (layers == nullptr || fences == nullptr) |
| continue; |
| |
| if (num_layers > *num_elements) { |
| ALOGW("Overflow num_elements %d/%d", num_layers, *num_elements); |
| return HWC2::Error::None; |
| } |
| |
| layers[num_layers - 1] = l.first; |
| fences[num_layers - 1] = l.second.GetReleaseFence().Release(); |
| } |
| *num_elements = num_layers; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::CreateComposition(AtomicCommitArgs &a_args) { |
| if (IsInHeadlessMode()) { |
| ALOGE("%s: Display is in headless mode, should never reach here", __func__); |
| return HWC2::Error::None; |
| } |
| |
| // order the layers by z-order |
| bool use_client_layer = false; |
| uint32_t client_z_order = UINT32_MAX; |
| std::map<uint32_t, HwcLayer *> z_map; |
| for (std::pair<const hwc2_layer_t, HwcLayer> &l : layers_) { |
| switch (l.second.GetValidatedType()) { |
| case HWC2::Composition::Device: |
| z_map.emplace(std::make_pair(l.second.GetZOrder(), &l.second)); |
| break; |
| case HWC2::Composition::Client: |
| // Place it at the z_order of the lowest client layer |
| use_client_layer = true; |
| client_z_order = std::min(client_z_order, l.second.GetZOrder()); |
| break; |
| default: |
| continue; |
| } |
| } |
| if (use_client_layer) |
| z_map.emplace(std::make_pair(client_z_order, &client_layer_)); |
| |
| if (z_map.empty()) |
| return HWC2::Error::BadLayer; |
| |
| std::vector<DrmHwcLayer> composition_layers; |
| |
| // now that they're ordered by z, add them to the composition |
| for (std::pair<const uint32_t, HwcLayer *> &l : z_map) { |
| DrmHwcLayer layer; |
| l.second->PopulateDrmLayer(&layer); |
| int ret = layer.ImportBuffer(drm_); |
| if (ret) { |
| ALOGE("Failed to import layer, ret=%d", ret); |
| return HWC2::Error::NoResources; |
| } |
| composition_layers.emplace_back(std::move(layer)); |
| } |
| |
| auto composition = std::make_shared<DrmDisplayComposition>(crtc_); |
| |
| // TODO(nobody): Don't always assume geometry changed |
| int ret = composition->SetLayers(composition_layers.data(), |
| composition_layers.size()); |
| if (ret) { |
| ALOGE("Failed to set layers in the composition ret=%d", ret); |
| return HWC2::Error::BadLayer; |
| } |
| |
| std::vector<DrmPlane *> primary_planes(primary_planes_); |
| std::vector<DrmPlane *> overlay_planes(overlay_planes_); |
| ret = composition->Plan(&primary_planes, &overlay_planes); |
| if (ret) { |
| ALOGV("Failed to plan the composition ret=%d", ret); |
| return HWC2::Error::BadConfig; |
| } |
| |
| a_args.composition = composition; |
| if (staged_mode) { |
| a_args.display_mode = *staged_mode; |
| } |
| ret = compositor_.ExecuteAtomicCommit(a_args); |
| |
| if (ret) { |
| if (!a_args.test_only) |
| ALOGE("Failed to apply the frame composition ret=%d", ret); |
| return HWC2::Error::BadParameter; |
| } |
| |
| if (!a_args.test_only) { |
| staged_mode.reset(); |
| } |
| |
| return HWC2::Error::None; |
| } |
| |
| /* Find API details at: |
| * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1805 |
| */ |
| HWC2::Error HwcDisplay::PresentDisplay(int32_t *present_fence) { |
| if (IsInHeadlessMode()) { |
| *present_fence = -1; |
| return HWC2::Error::None; |
| } |
| HWC2::Error ret{}; |
| |
| ++total_stats_.total_frames_; |
| |
| AtomicCommitArgs a_args{}; |
| ret = CreateComposition(a_args); |
| |
| if (ret != HWC2::Error::None) |
| ++total_stats_.failed_kms_present_; |
| |
| if (ret == HWC2::Error::BadLayer) { |
| // Can we really have no client or device layers? |
| *present_fence = -1; |
| return HWC2::Error::None; |
| } |
| if (ret != HWC2::Error::None) |
| return ret; |
| |
| *present_fence = a_args.out_fence.Release(); |
| |
| ++frame_no_; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::SetActiveConfig(hwc2_config_t config) { |
| int conf = static_cast<int>(config); |
| |
| if (configs_.hwc_configs.count(conf) == 0) { |
| ALOGE("Could not find active mode for %d", conf); |
| return HWC2::Error::BadConfig; |
| } |
| |
| auto &mode = configs_.hwc_configs[conf].mode; |
| |
| staged_mode = mode; |
| |
| configs_.active_config_id = conf; |
| |
| // Setup the client layer's dimensions |
| hwc_rect_t display_frame = {.left = 0, |
| .top = 0, |
| .right = static_cast<int>(mode.h_display()), |
| .bottom = static_cast<int>(mode.v_display())}; |
| client_layer_.SetLayerDisplayFrame(display_frame); |
| |
| return HWC2::Error::None; |
| } |
| |
| /* Find API details at: |
| * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:hardware/libhardware/include/hardware/hwcomposer2.h;l=1861 |
| */ |
| HWC2::Error HwcDisplay::SetClientTarget(buffer_handle_t target, |
| int32_t acquire_fence, |
| int32_t dataspace, |
| hwc_region_t /*damage*/) { |
| client_layer_.SetLayerBuffer(target, acquire_fence); |
| client_layer_.SetLayerDataspace(dataspace); |
| |
| /* |
| * target can be nullptr, this does mean the Composer Service is calling |
| * cleanDisplayResources() on after receiving HOTPLUG event. See more at: |
| * https://cs.android.com/android/platform/superproject/+/master:hardware/interfaces/graphics/composer/2.1/utils/hal/include/composer-hal/2.1/ComposerClient.h;l=350;drc=944b68180b008456ed2eb4d4d329e33b19bd5166 |
| */ |
| if (target == nullptr) { |
| return HWC2::Error::None; |
| } |
| |
| /* TODO: Do not update source_crop every call. |
| * It makes sense to do it once after every hotplug event. */ |
| HwcDrmBo bo{}; |
| BufferInfoGetter::GetInstance()->ConvertBoInfo(target, &bo); |
| |
| hwc_frect_t source_crop = {.left = 0.0F, |
| .top = 0.0F, |
| .right = static_cast<float>(bo.width), |
| .bottom = static_cast<float>(bo.height)}; |
| client_layer_.SetLayerSourceCrop(source_crop); |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::SetColorMode(int32_t mode) { |
| if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG) |
| return HWC2::Error::BadParameter; |
| |
| if (mode != HAL_COLOR_MODE_NATIVE) |
| return HWC2::Error::Unsupported; |
| |
| color_mode_ = mode; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::SetColorTransform(const float *matrix, int32_t hint) { |
| if (hint < HAL_COLOR_TRANSFORM_IDENTITY || |
| hint > HAL_COLOR_TRANSFORM_CORRECT_TRITANOPIA) |
| return HWC2::Error::BadParameter; |
| |
| if (!matrix && hint == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX) |
| return HWC2::Error::BadParameter; |
| |
| color_transform_hint_ = static_cast<android_color_transform_t>(hint); |
| if (color_transform_hint_ == HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX) |
| std::copy(matrix, matrix + MATRIX_SIZE, color_transform_matrix_.begin()); |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::SetOutputBuffer(buffer_handle_t /*buffer*/, |
| int32_t /*release_fence*/) { |
| // TODO(nobody): Need virtual display support |
| return HWC2::Error::Unsupported; |
| } |
| |
| HWC2::Error HwcDisplay::SetPowerMode(int32_t mode_in) { |
| if (IsInHeadlessMode()) { |
| return HWC2::Error::None; |
| } |
| |
| auto mode = static_cast<HWC2::PowerMode>(mode_in); |
| AtomicCommitArgs a_args{}; |
| |
| switch (mode) { |
| case HWC2::PowerMode::Off: |
| a_args.active = false; |
| break; |
| case HWC2::PowerMode::On: |
| /* |
| * Setting the display to active before we have a composition |
| * can break some drivers, so skip setting a_args.active to |
| * true, as the next composition frame will implicitly activate |
| * the display |
| */ |
| return compositor_.ActivateDisplayUsingDPMS() == 0 |
| ? HWC2::Error::None |
| : HWC2::Error::BadParameter; |
| break; |
| case HWC2::PowerMode::Doze: |
| case HWC2::PowerMode::DozeSuspend: |
| return HWC2::Error::Unsupported; |
| default: |
| ALOGI("Power mode %d is unsupported\n", mode); |
| return HWC2::Error::BadParameter; |
| }; |
| |
| int err = compositor_.ExecuteAtomicCommit(a_args); |
| if (err) { |
| ALOGE("Failed to apply the dpms composition err=%d", err); |
| return HWC2::Error::BadParameter; |
| } |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::SetVsyncEnabled(int32_t enabled) { |
| vsync_worker_.VSyncControl(HWC2_VSYNC_ENABLE == enabled); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::ValidateDisplay(uint32_t *num_types, |
| uint32_t *num_requests) { |
| if (IsInHeadlessMode()) { |
| *num_types = *num_requests = 0; |
| return HWC2::Error::None; |
| } |
| return backend_->ValidateDisplay(this, num_types, num_requests); |
| } |
| |
| std::vector<HwcLayer *> HwcDisplay::GetOrderLayersByZPos() { |
| std::vector<HwcLayer *> ordered_layers; |
| ordered_layers.reserve(layers_.size()); |
| |
| for (auto &[handle, layer] : layers_) { |
| ordered_layers.emplace_back(&layer); |
| } |
| |
| std::sort(std::begin(ordered_layers), std::end(ordered_layers), |
| [](const HwcLayer *lhs, const HwcLayer *rhs) { |
| return lhs->GetZOrder() < rhs->GetZOrder(); |
| }); |
| |
| return ordered_layers; |
| } |
| |
| #if PLATFORM_SDK_VERSION > 29 |
| HWC2::Error HwcDisplay::GetDisplayConnectionType(uint32_t *outType) { |
| if (IsInHeadlessMode()) { |
| *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::Internal); |
| return HWC2::Error::None; |
| } |
| /* Primary display should be always internal, |
| * otherwise SF will be unhappy and will crash |
| */ |
| if (connector_->IsInternal() || handle_ == kPrimaryDisplay) |
| *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::Internal); |
| else if (connector_->IsExternal()) |
| *outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::External); |
| else |
| return HWC2::Error::BadConfig; |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDisplayVsyncPeriod( |
| hwc2_vsync_period_t *outVsyncPeriod /* ns */) { |
| return GetDisplayAttribute(configs_.active_config_id, |
| HWC2_ATTRIBUTE_VSYNC_PERIOD, |
| (int32_t *)(outVsyncPeriod)); |
| } |
| |
| HWC2::Error HwcDisplay::SetActiveConfigWithConstraints( |
| hwc2_config_t /*config*/, |
| hwc_vsync_period_change_constraints_t *vsyncPeriodChangeConstraints, |
| hwc_vsync_period_change_timeline_t *outTimeline) { |
| if (vsyncPeriodChangeConstraints == nullptr || outTimeline == nullptr) { |
| return HWC2::Error::BadParameter; |
| } |
| |
| return HWC2::Error::BadConfig; |
| } |
| |
| HWC2::Error HwcDisplay::SetAutoLowLatencyMode(bool /*on*/) { |
| return HWC2::Error::Unsupported; |
| } |
| |
| HWC2::Error HwcDisplay::GetSupportedContentTypes( |
| uint32_t *outNumSupportedContentTypes, |
| const uint32_t *outSupportedContentTypes) { |
| if (outSupportedContentTypes == nullptr) |
| *outNumSupportedContentTypes = 0; |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::SetContentType(int32_t contentType) { |
| if (contentType != HWC2_CONTENT_TYPE_NONE) |
| return HWC2::Error::Unsupported; |
| |
| /* TODO: Map to the DRM Connector property: |
| * https://elixir.bootlin.com/linux/v5.4-rc5/source/drivers/gpu/drm/drm_connector.c#L809 |
| */ |
| |
| return HWC2::Error::None; |
| } |
| #endif |
| |
| #if PLATFORM_SDK_VERSION > 28 |
| HWC2::Error HwcDisplay::GetDisplayIdentificationData(uint8_t *outPort, |
| uint32_t *outDataSize, |
| uint8_t *outData) { |
| auto blob = connector_->GetEdidBlob(); |
| |
| if (!blob) { |
| ALOGE("Failed to get edid property value."); |
| return HWC2::Error::Unsupported; |
| } |
| |
| if (outData) { |
| *outDataSize = std::min(*outDataSize, blob->length); |
| memcpy(outData, blob->data, *outDataSize); |
| } else { |
| *outDataSize = blob->length; |
| } |
| *outPort = connector_->GetId(); |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDisplayCapabilities(uint32_t *outNumCapabilities, |
| uint32_t * /*outCapabilities*/) { |
| if (outNumCapabilities == nullptr) { |
| return HWC2::Error::BadParameter; |
| } |
| |
| *outNumCapabilities = 0; |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::GetDisplayBrightnessSupport(bool *supported) { |
| *supported = false; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::SetDisplayBrightness(float /* brightness */) { |
| return HWC2::Error::Unsupported; |
| } |
| |
| #endif /* PLATFORM_SDK_VERSION > 28 */ |
| |
| #if PLATFORM_SDK_VERSION > 27 |
| |
| HWC2::Error HwcDisplay::GetRenderIntents( |
| int32_t mode, uint32_t *outNumIntents, |
| int32_t * /*android_render_intent_v1_1_t*/ outIntents) { |
| if (mode != HAL_COLOR_MODE_NATIVE) { |
| return HWC2::Error::BadParameter; |
| } |
| |
| if (outIntents == nullptr) { |
| *outNumIntents = 1; |
| return HWC2::Error::None; |
| } |
| *outNumIntents = 1; |
| outIntents[0] = HAL_RENDER_INTENT_COLORIMETRIC; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error HwcDisplay::SetColorModeWithIntent(int32_t mode, int32_t intent) { |
| if (intent < HAL_RENDER_INTENT_COLORIMETRIC || |
| intent > HAL_RENDER_INTENT_TONE_MAP_ENHANCE) |
| return HWC2::Error::BadParameter; |
| |
| if (mode < HAL_COLOR_MODE_NATIVE || mode > HAL_COLOR_MODE_BT2100_HLG) |
| return HWC2::Error::BadParameter; |
| |
| if (mode != HAL_COLOR_MODE_NATIVE) |
| return HWC2::Error::Unsupported; |
| |
| if (intent != HAL_RENDER_INTENT_COLORIMETRIC) |
| return HWC2::Error::Unsupported; |
| |
| color_mode_ = mode; |
| return HWC2::Error::None; |
| } |
| |
| #endif /* PLATFORM_SDK_VERSION > 27 */ |
| |
| const Backend *HwcDisplay::backend() const { |
| return backend_.get(); |
| } |
| |
| void HwcDisplay::set_backend(std::unique_ptr<Backend> backend) { |
| backend_ = std::move(backend); |
| } |
| |
| } // namespace android |
