| /* |
| * Copyright (C) 2016 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 ATRACE_TAG ATRACE_TAG_GRAPHICS |
| #define LOG_TAG "hwc-drm-two" |
| |
| #include "drmdisplaycomposition.h" |
| #include "drmhwcomposer.h" |
| #include "drmhwctwo.h" |
| #include "platform.h" |
| #include "vsyncworker.h" |
| |
| #include <inttypes.h> |
| #include <string> |
| |
| #include <cutils/log.h> |
| #include <cutils/properties.h> |
| #include <hardware/hardware.h> |
| #include <hardware/hwcomposer2.h> |
| |
| namespace android { |
| |
| class DrmVsyncCallback : public VsyncCallback { |
| public: |
| DrmVsyncCallback(hwc2_callback_data_t data, hwc2_function_pointer_t hook) |
| : data_(data), hook_(hook) { |
| } |
| |
| void Callback(int display, int64_t timestamp) { |
| auto hook = reinterpret_cast<HWC2_PFN_VSYNC>(hook_); |
| hook(data_, display, timestamp); |
| } |
| |
| private: |
| hwc2_callback_data_t data_; |
| hwc2_function_pointer_t hook_; |
| }; |
| |
| DrmHwcTwo::DrmHwcTwo() { |
| common.tag = HARDWARE_DEVICE_TAG; |
| common.version = HWC_DEVICE_API_VERSION_2_0; |
| common.close = HookDevClose; |
| getCapabilities = HookDevGetCapabilities; |
| getFunction = HookDevGetFunction; |
| } |
| |
| HWC2::Error DrmHwcTwo::Init() { |
| int ret = drm_.Init(); |
| if (ret) { |
| ALOGE("Can't initialize drm object %d", ret); |
| return HWC2::Error::NoResources; |
| } |
| |
| importer_.reset(Importer::CreateInstance(&drm_)); |
| if (!importer_) { |
| ALOGE("Failed to create importer instance"); |
| return HWC2::Error::NoResources; |
| } |
| |
| ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, |
| (const hw_module_t **)&gralloc_); |
| if (ret) { |
| ALOGE("Failed to open gralloc module %d", ret); |
| return HWC2::Error::NoResources; |
| } |
| |
| displays_.emplace(std::piecewise_construct, |
| std::forward_as_tuple(HWC_DISPLAY_PRIMARY), |
| std::forward_as_tuple(&drm_, importer_, gralloc_, |
| HWC_DISPLAY_PRIMARY, |
| HWC2::DisplayType::Physical)); |
| |
| DrmCrtc *crtc = drm_.GetCrtcForDisplay(static_cast<int>(HWC_DISPLAY_PRIMARY)); |
| if (!crtc) { |
| ALOGE("Failed to get crtc for display %d", |
| static_cast<int>(HWC_DISPLAY_PRIMARY)); |
| return HWC2::Error::BadDisplay; |
| } |
| |
| std::vector<DrmPlane *> display_planes; |
| for (auto &plane : drm_.planes()) { |
| if (plane->GetCrtcSupported(*crtc)) |
| display_planes.push_back(plane.get()); |
| } |
| displays_.at(HWC_DISPLAY_PRIMARY).Init(&display_planes); |
| return HWC2::Error::None; |
| } |
| |
| template <typename... Args> |
| static inline HWC2::Error unsupported(char const *func, Args... /*args*/) { |
| ALOGV("Unsupported function: %s", func); |
| return HWC2::Error::Unsupported; |
| } |
| |
| static inline void supported(char const *func) { |
| ALOGV("Supported function: %s", func); |
| } |
| |
| HWC2::Error DrmHwcTwo::CreateVirtualDisplay(uint32_t width, uint32_t height, |
| int32_t *format, |
| hwc2_display_t *display) { |
| // TODO: Implement virtual display |
| return unsupported(__func__, width, height, format, display); |
| } |
| |
| HWC2::Error DrmHwcTwo::DestroyVirtualDisplay(hwc2_display_t display) { |
| // TODO: Implement virtual display |
| return unsupported(__func__, display); |
| } |
| |
| void DrmHwcTwo::Dump(uint32_t *size, char *buffer) { |
| // TODO: Implement dump |
| unsupported(__func__, size, buffer); |
| } |
| |
| uint32_t DrmHwcTwo::GetMaxVirtualDisplayCount() { |
| // TODO: Implement virtual display |
| unsupported(__func__); |
| return 0; |
| } |
| |
| HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor, |
| hwc2_callback_data_t data, |
| hwc2_function_pointer_t function) { |
| supported(__func__); |
| auto callback = static_cast<HWC2::Callback>(descriptor); |
| callbacks_.emplace(callback, HwcCallback(data, function)); |
| |
| switch (callback) { |
| case HWC2::Callback::Hotplug: { |
| auto hotplug = reinterpret_cast<HWC2_PFN_HOTPLUG>(function); |
| hotplug(data, HWC_DISPLAY_PRIMARY, |
| static_cast<int32_t>(HWC2::Connection::Connected)); |
| break; |
| } |
| case HWC2::Callback::Vsync: { |
| for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d : |
| displays_) |
| d.second.RegisterVsyncCallback(data, function); |
| break; |
| } |
| default: |
| break; |
| } |
| return HWC2::Error::None; |
| } |
| |
| DrmHwcTwo::HwcDisplay::HwcDisplay(DrmResources *drm, |
| std::shared_ptr<Importer> importer, |
| const gralloc_module_t *gralloc, |
| hwc2_display_t handle, HWC2::DisplayType type) |
| : drm_(drm), |
| importer_(importer), |
| gralloc_(gralloc), |
| handle_(handle), |
| type_(type) { |
| supported(__func__); |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::Init(std::vector<DrmPlane *> *planes) { |
| supported(__func__); |
| planner_ = Planner::CreateInstance(drm_); |
| if (!planner_) { |
| ALOGE("Failed to create planner instance for composition"); |
| return HWC2::Error::NoResources; |
| } |
| |
| int display = static_cast<int>(handle_); |
| int ret = compositor_.Init(drm_, 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("hwc.drm.use_overlay_planes", use_overlay_planes_prop, "1"); |
| bool use_overlay_planes = atoi(use_overlay_planes_prop); |
| for (auto &plane : *planes) { |
| if (plane->type() == DRM_PLANE_TYPE_PRIMARY) |
| primary_planes_.push_back(plane); |
| else if (use_overlay_planes && (plane)->type() == 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; |
| } |
| |
| // Fetch the number of modes from the display |
| uint32_t num_configs; |
| HWC2::Error err = GetDisplayConfigs(&num_configs, NULL); |
| if (err != HWC2::Error::None || !num_configs) |
| return err; |
| |
| // Grab the first mode, we'll choose this as the active mode |
| // TODO: Should choose the preferred mode here |
| hwc2_config_t default_config; |
| num_configs = 1; |
| err = GetDisplayConfigs(&num_configs, &default_config); |
| if (err != HWC2::Error::None) |
| return err; |
| |
| ret = vsync_worker_.Init(drm_, display); |
| if (ret) { |
| ALOGE("Failed to create event worker for d=%d %d\n", display, ret); |
| return HWC2::Error::BadDisplay; |
| } |
| |
| return SetActiveConfig(default_config); |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::RegisterVsyncCallback( |
| hwc2_callback_data_t data, hwc2_function_pointer_t func) { |
| supported(__func__); |
| auto callback = std::make_shared<DrmVsyncCallback>(data, func); |
| vsync_worker_.RegisterCallback(std::move(callback)); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() { |
| supported(__func__); |
| uint32_t num_changes = 0; |
| for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) |
| l.second.accept_type_change(); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::CreateLayer(hwc2_layer_t *layer) { |
| supported(__func__); |
| 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 DrmHwcTwo::HwcDisplay::DestroyLayer(hwc2_layer_t layer) { |
| supported(__func__); |
| layers_.erase(layer); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetActiveConfig(hwc2_config_t *config) { |
| supported(__func__); |
| DrmMode const &mode = connector_->active_mode(); |
| if (mode.id() == 0) |
| return HWC2::Error::BadConfig; |
| |
| *config = mode.id(); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetChangedCompositionTypes( |
| uint32_t *num_elements, hwc2_layer_t *layers, int32_t *types) { |
| supported(__func__); |
| uint32_t num_changes = 0; |
| for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) { |
| if (l.second.type_changed()) { |
| 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.validated_type()); |
| ++num_changes; |
| } |
| } |
| if (!layers && !types) |
| *num_elements = num_changes; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetClientTargetSupport(uint32_t width, |
| uint32_t height, |
| int32_t /*format*/, |
| int32_t dataspace) { |
| supported(__func__); |
| std::pair<uint32_t, uint32_t> min = drm_->min_resolution(); |
| std::pair<uint32_t, uint32_t> max = drm_->max_resolution(); |
| |
| 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 && |
| dataspace != HAL_DATASPACE_STANDARD_UNSPECIFIED) |
| return HWC2::Error::Unsupported; |
| |
| // TODO: Validate format can be handled by either GL or planes |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetColorModes(uint32_t *num_modes, |
| int32_t *modes) { |
| supported(__func__); |
| if (!modes) |
| *num_modes = 1; |
| |
| if (modes) |
| *modes = HAL_COLOR_MODE_NATIVE; |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayAttribute(hwc2_config_t config, |
| int32_t attribute_in, |
| int32_t *value) { |
| supported(__func__); |
| auto mode = |
| std::find_if(connector_->modes().begin(), connector_->modes().end(), |
| [config](DrmMode const &m) { return m.id() == config; }); |
| if (mode == connector_->modes().end()) { |
| ALOGE("Could not find active mode for %d", config); |
| return HWC2::Error::BadConfig; |
| } |
| |
| static const int32_t kUmPerInch = 25400; |
| uint32_t mm_width = connector_->mm_width(); |
| uint32_t mm_height = connector_->mm_height(); |
| auto attribute = static_cast<HWC2::Attribute>(attribute_in); |
| switch (attribute) { |
| case HWC2::Attribute::Width: |
| *value = mode->h_display(); |
| break; |
| case HWC2::Attribute::Height: |
| *value = mode->v_display(); |
| break; |
| case HWC2::Attribute::VsyncPeriod: |
| // in nanoseconds |
| *value = 1000 * 1000 * 1000 / mode->v_refresh(); |
| break; |
| case HWC2::Attribute::DpiX: |
| // Dots per 1000 inches |
| *value = mm_width ? (mode->h_display() * kUmPerInch) / mm_width : -1; |
| break; |
| case HWC2::Attribute::DpiY: |
| // Dots per 1000 inches |
| *value = mm_height ? (mode->v_display() * kUmPerInch) / mm_height : -1; |
| break; |
| default: |
| *value = -1; |
| return HWC2::Error::BadConfig; |
| } |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayConfigs(uint32_t *num_configs, |
| hwc2_config_t *configs) { |
| supported(__func__); |
| // Since this callback is normally invoked twice (once to get the count, and |
| // once to populate configs), we don't really want to read the edid |
| // redundantly. Instead, only update the modes on the first invocation. While |
| // it's possible this will result in stale modes, it'll all come out in the |
| // wash when we try to set the active config later. |
| if (!configs) { |
| int ret = connector_->UpdateModes(); |
| if (ret) { |
| ALOGE("Failed to update display modes %d", ret); |
| return HWC2::Error::BadDisplay; |
| } |
| } |
| |
| auto num_modes = static_cast<uint32_t>(connector_->modes().size()); |
| if (!configs) { |
| *num_configs = num_modes; |
| return HWC2::Error::None; |
| } |
| |
| uint32_t idx = 0; |
| for (const DrmMode &mode : connector_->modes()) { |
| if (idx >= *num_configs) |
| break; |
| configs[idx++] = mode.id(); |
| } |
| *num_configs = idx; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayName(uint32_t *size, char *name) { |
| supported(__func__); |
| std::ostringstream stream; |
| stream << "display-" << connector_->id(); |
| 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 DrmHwcTwo::HwcDisplay::GetDisplayRequests(int32_t *display_requests, |
| uint32_t *num_elements, |
| hwc2_layer_t *layers, |
| int32_t *layer_requests) { |
| supported(__func__); |
| // TODO: I think virtual display should request |
| // HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT here |
| unsupported(__func__, display_requests, num_elements, layers, layer_requests); |
| *num_elements = 0; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayType(int32_t *type) { |
| supported(__func__); |
| *type = static_cast<int32_t>(type_); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetDozeSupport(int32_t *support) { |
| supported(__func__); |
| *support = 0; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetHdrCapabilities( |
| uint32_t *num_types, int32_t */*types*/, float */*max_luminance*/, |
| float */*max_average_luminance*/, float */*min_luminance*/) { |
| supported(__func__); |
| *num_types = 0; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::GetReleaseFences(uint32_t *num_elements, |
| hwc2_layer_t *layers, |
| int32_t *fences) { |
| supported(__func__); |
| uint32_t num_layers = 0; |
| |
| for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) { |
| ++num_layers; |
| if (layers == NULL || fences == NULL) { |
| continue; |
| } else 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.take_release_fence(); |
| } |
| *num_elements = num_layers; |
| return HWC2::Error::None; |
| } |
| |
| void DrmHwcTwo::HwcDisplay::AddFenceToRetireFence(int fd) { |
| supported(__func__); |
| if (fd < 0) |
| return; |
| |
| if (next_retire_fence_.get() >= 0) { |
| int old_fence = next_retire_fence_.get(); |
| next_retire_fence_.Set(sync_merge("dc_retire", old_fence, fd)); |
| } else { |
| next_retire_fence_.Set(dup(fd)); |
| } |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *retire_fence) { |
| supported(__func__); |
| std::vector<DrmCompositionDisplayLayersMap> layers_map; |
| layers_map.emplace_back(); |
| DrmCompositionDisplayLayersMap &map = layers_map.back(); |
| |
| map.display = static_cast<int>(handle_); |
| map.geometry_changed = true; // TODO: Fix this |
| |
| // order the layers by z-order |
| bool use_client_layer = false; |
| uint32_t client_z_order = 0; |
| std::map<uint32_t, DrmHwcTwo::HwcLayer *> z_map; |
| for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) { |
| switch (l.second.validated_type()) { |
| case HWC2::Composition::Device: |
| z_map.emplace(std::make_pair(l.second.z_order(), &l.second)); |
| break; |
| case HWC2::Composition::Client: |
| // Place it at the z_order of the highest client layer |
| use_client_layer = true; |
| client_z_order = std::max(client_z_order, l.second.z_order()); |
| break; |
| default: |
| continue; |
| } |
| } |
| if (use_client_layer) |
| z_map.emplace(std::make_pair(client_z_order, &client_layer_)); |
| |
| // now that they're ordered by z, add them to the composition |
| for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) { |
| DrmHwcLayer layer; |
| l.second->PopulateDrmLayer(&layer); |
| int ret = layer.ImportBuffer(importer_.get(), gralloc_); |
| if (ret) { |
| ALOGE("Failed to import layer, ret=%d", ret); |
| return HWC2::Error::NoResources; |
| } |
| map.layers.emplace_back(std::move(layer)); |
| } |
| if (map.layers.empty()) { |
| *retire_fence = -1; |
| return HWC2::Error::None; |
| } |
| |
| std::unique_ptr<DrmDisplayComposition> composition = |
| compositor_.CreateComposition(); |
| composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_); |
| |
| // TODO: Don't always assume geometry changed |
| int ret = composition->SetLayers(map.layers.data(), map.layers.size(), true); |
| 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(compositor_.squash_state(), &primary_planes, |
| &overlay_planes); |
| if (ret) { |
| ALOGE("Failed to plan the composition ret=%d", ret); |
| return HWC2::Error::BadConfig; |
| } |
| |
| // Disable the planes we're not using |
| for (auto i = primary_planes.begin(); i != primary_planes.end();) { |
| composition->AddPlaneDisable(*i); |
| i = primary_planes.erase(i); |
| } |
| for (auto i = overlay_planes.begin(); i != overlay_planes.end();) { |
| composition->AddPlaneDisable(*i); |
| i = overlay_planes.erase(i); |
| } |
| |
| ret = compositor_.QueueComposition(std::move(composition)); |
| if (ret) { |
| ALOGE("Failed to apply the frame composition ret=%d", ret); |
| return HWC2::Error::BadParameter; |
| } |
| |
| // Now that the release fences have been generated by the compositor, make |
| // sure they're managed properly |
| for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) { |
| l.second->manage_release_fence(); |
| AddFenceToRetireFence(l.second->release_fence()); |
| } |
| |
| // The retire fence returned here is for the last frame, so return it and |
| // promote the next retire fence |
| *retire_fence = retire_fence_.Release(); |
| retire_fence_ = std::move(next_retire_fence_); |
| |
| ++frame_no_; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::SetActiveConfig(hwc2_config_t config) { |
| supported(__func__); |
| auto mode = |
| std::find_if(connector_->modes().begin(), connector_->modes().end(), |
| [config](DrmMode const &m) { return m.id() == config; }); |
| if (mode == connector_->modes().end()) { |
| ALOGE("Could not find active mode for %d", config); |
| return HWC2::Error::BadConfig; |
| } |
| |
| std::unique_ptr<DrmDisplayComposition> composition = |
| compositor_.CreateComposition(); |
| composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_); |
| int ret = composition->SetDisplayMode(*mode); |
| ret = compositor_.QueueComposition(std::move(composition)); |
| if (ret) { |
| ALOGE("Failed to queue dpms composition on %d", ret); |
| return HWC2::Error::BadConfig; |
| } |
| if (connector_->active_mode().id() == 0) |
| connector_->set_active_mode(*mode); |
| |
| // 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); |
| hwc_frect_t source_crop = {.left = 0.0f, |
| .top = 0.0f, |
| .right = mode->h_display() + 0.0f, |
| .bottom = mode->v_display() + 0.0f}; |
| client_layer_.SetLayerSourceCrop(source_crop); |
| |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::SetClientTarget(buffer_handle_t target, |
| int32_t acquire_fence, |
| int32_t dataspace, |
| hwc_region_t damage) { |
| supported(__func__); |
| UniqueFd uf(acquire_fence); |
| |
| client_layer_.set_buffer(target); |
| client_layer_.set_acquire_fence(uf.get()); |
| client_layer_.SetLayerDataspace(dataspace); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::SetColorMode(int32_t mode) { |
| supported(__func__); |
| |
| if (mode != HAL_COLOR_MODE_NATIVE) |
| return HWC2::Error::Unsupported; |
| |
| color_mode_ = mode; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix, |
| int32_t hint) { |
| supported(__func__); |
| // TODO: Force client composition if we get this |
| return unsupported(__func__, matrix, hint); |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::SetOutputBuffer(buffer_handle_t buffer, |
| int32_t release_fence) { |
| supported(__func__); |
| // TODO: Need virtual display support |
| return unsupported(__func__, buffer, release_fence); |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::SetPowerMode(int32_t mode_in) { |
| supported(__func__); |
| uint64_t dpms_value = 0; |
| auto mode = static_cast<HWC2::PowerMode>(mode_in); |
| switch (mode) { |
| case HWC2::PowerMode::Off: |
| dpms_value = DRM_MODE_DPMS_OFF; |
| break; |
| case HWC2::PowerMode::On: |
| dpms_value = DRM_MODE_DPMS_ON; |
| break; |
| default: |
| ALOGI("Power mode %d is unsupported\n", mode); |
| return HWC2::Error::Unsupported; |
| }; |
| |
| std::unique_ptr<DrmDisplayComposition> composition = |
| compositor_.CreateComposition(); |
| composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_); |
| composition->SetDpmsMode(dpms_value); |
| int ret = compositor_.QueueComposition(std::move(composition)); |
| if (ret) { |
| ALOGE("Failed to apply the dpms composition ret=%d", ret); |
| return HWC2::Error::BadParameter; |
| } |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::SetVsyncEnabled(int32_t enabled) { |
| supported(__func__); |
| vsync_worker_.VSyncControl(enabled); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types, |
| uint32_t *num_requests) { |
| supported(__func__); |
| *num_types = 0; |
| *num_requests = 0; |
| for (std::pair<const hwc2_layer_t, DrmHwcTwo::HwcLayer> &l : layers_) { |
| DrmHwcTwo::HwcLayer &layer = l.second; |
| switch (layer.sf_type()) { |
| case HWC2::Composition::SolidColor: |
| case HWC2::Composition::Cursor: |
| case HWC2::Composition::Sideband: |
| layer.set_validated_type(HWC2::Composition::Client); |
| ++*num_types; |
| break; |
| default: |
| layer.set_validated_type(layer.sf_type()); |
| break; |
| } |
| } |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetCursorPosition(int32_t x, int32_t y) { |
| supported(__func__); |
| cursor_x_ = x; |
| cursor_y_ = y; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBlendMode(int32_t mode) { |
| supported(__func__); |
| blending_ = static_cast<HWC2::BlendMode>(mode); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerBuffer(buffer_handle_t buffer, |
| int32_t acquire_fence) { |
| supported(__func__); |
| UniqueFd uf(acquire_fence); |
| |
| // The buffer and acquire_fence are handled elsewhere |
| if (sf_type_ == HWC2::Composition::Client || |
| sf_type_ == HWC2::Composition::Sideband || |
| sf_type_ == HWC2::Composition::SolidColor) |
| return HWC2::Error::None; |
| |
| set_buffer(buffer); |
| set_acquire_fence(uf.get()); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t color) { |
| // TODO: Punt to client composition here? |
| return unsupported(__func__, color); |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerCompositionType(int32_t type) { |
| sf_type_ = static_cast<HWC2::Composition>(type); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDataspace(int32_t dataspace) { |
| supported(__func__); |
| dataspace_ = static_cast<android_dataspace_t>(dataspace); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerDisplayFrame(hwc_rect_t frame) { |
| supported(__func__); |
| display_frame_ = frame; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerPlaneAlpha(float alpha) { |
| supported(__func__); |
| alpha_ = alpha; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSidebandStream( |
| const native_handle_t *stream) { |
| supported(__func__); |
| // TODO: We don't support sideband |
| return unsupported(__func__, stream); |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSourceCrop(hwc_frect_t crop) { |
| supported(__func__); |
| source_crop_ = crop; |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerSurfaceDamage(hwc_region_t damage) { |
| supported(__func__); |
| // TODO: We don't use surface damage, marking as unsupported |
| unsupported(__func__, damage); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerTransform(int32_t transform) { |
| supported(__func__); |
| transform_ = static_cast<HWC2::Transform>(transform); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerVisibleRegion(hwc_region_t visible) { |
| supported(__func__); |
| // TODO: We don't use this information, marking as unsupported |
| unsupported(__func__, visible); |
| return HWC2::Error::None; |
| } |
| |
| HWC2::Error DrmHwcTwo::HwcLayer::SetLayerZOrder(uint32_t order) { |
| supported(__func__); |
| z_order_ = order; |
| return HWC2::Error::None; |
| } |
| |
| void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) { |
| supported(__func__); |
| switch (blending_) { |
| case HWC2::BlendMode::None: |
| layer->blending = DrmHwcBlending::kNone; |
| break; |
| case HWC2::BlendMode::Premultiplied: |
| layer->blending = DrmHwcBlending::kPreMult; |
| break; |
| case HWC2::BlendMode::Coverage: |
| layer->blending = DrmHwcBlending::kCoverage; |
| break; |
| default: |
| ALOGE("Unknown blending mode b=%d", blending_); |
| layer->blending = DrmHwcBlending::kNone; |
| break; |
| } |
| |
| OutputFd release_fence = release_fence_output(); |
| |
| layer->sf_handle = buffer_; |
| layer->acquire_fence = acquire_fence_.Release(); |
| layer->release_fence = std::move(release_fence); |
| layer->SetDisplayFrame(display_frame_); |
| layer->alpha = static_cast<uint8_t>(255.0f * alpha_ + 0.5f); |
| layer->SetSourceCrop(source_crop_); |
| layer->SetTransform(static_cast<int32_t>(transform_)); |
| } |
| |
| // static |
| int DrmHwcTwo::HookDevClose(hw_device_t * /*dev*/) { |
| unsupported(__func__); |
| return 0; |
| } |
| |
| // static |
| void DrmHwcTwo::HookDevGetCapabilities(hwc2_device_t * /*dev*/, |
| uint32_t *out_count, |
| int32_t * /*out_capabilities*/) { |
| supported(__func__); |
| *out_count = 0; |
| } |
| |
| // static |
| hwc2_function_pointer_t DrmHwcTwo::HookDevGetFunction( |
| struct hwc2_device * /*dev*/, int32_t descriptor) { |
| supported(__func__); |
| auto func = static_cast<HWC2::FunctionDescriptor>(descriptor); |
| switch (func) { |
| // Device functions |
| case HWC2::FunctionDescriptor::CreateVirtualDisplay: |
| return ToHook<HWC2_PFN_CREATE_VIRTUAL_DISPLAY>( |
| DeviceHook<int32_t, decltype(&DrmHwcTwo::CreateVirtualDisplay), |
| &DrmHwcTwo::CreateVirtualDisplay, uint32_t, uint32_t, |
| int32_t*, hwc2_display_t *>); |
| case HWC2::FunctionDescriptor::DestroyVirtualDisplay: |
| return ToHook<HWC2_PFN_DESTROY_VIRTUAL_DISPLAY>( |
| DeviceHook<int32_t, decltype(&DrmHwcTwo::DestroyVirtualDisplay), |
| &DrmHwcTwo::DestroyVirtualDisplay, hwc2_display_t>); |
| case HWC2::FunctionDescriptor::Dump: |
| return ToHook<HWC2_PFN_DUMP>( |
| DeviceHook<void, decltype(&DrmHwcTwo::Dump), &DrmHwcTwo::Dump, |
| uint32_t *, char *>); |
| case HWC2::FunctionDescriptor::GetMaxVirtualDisplayCount: |
| return ToHook<HWC2_PFN_GET_MAX_VIRTUAL_DISPLAY_COUNT>( |
| DeviceHook<uint32_t, decltype(&DrmHwcTwo::GetMaxVirtualDisplayCount), |
| &DrmHwcTwo::GetMaxVirtualDisplayCount>); |
| case HWC2::FunctionDescriptor::RegisterCallback: |
| return ToHook<HWC2_PFN_REGISTER_CALLBACK>( |
| DeviceHook<int32_t, decltype(&DrmHwcTwo::RegisterCallback), |
| &DrmHwcTwo::RegisterCallback, int32_t, |
| hwc2_callback_data_t, hwc2_function_pointer_t>); |
| |
| // Display functions |
| case HWC2::FunctionDescriptor::AcceptDisplayChanges: |
| return ToHook<HWC2_PFN_ACCEPT_DISPLAY_CHANGES>( |
| DisplayHook<decltype(&HwcDisplay::AcceptDisplayChanges), |
| &HwcDisplay::AcceptDisplayChanges>); |
| case HWC2::FunctionDescriptor::CreateLayer: |
| return ToHook<HWC2_PFN_CREATE_LAYER>( |
| DisplayHook<decltype(&HwcDisplay::CreateLayer), |
| &HwcDisplay::CreateLayer, hwc2_layer_t *>); |
| case HWC2::FunctionDescriptor::DestroyLayer: |
| return ToHook<HWC2_PFN_DESTROY_LAYER>( |
| DisplayHook<decltype(&HwcDisplay::DestroyLayer), |
| &HwcDisplay::DestroyLayer, hwc2_layer_t>); |
| case HWC2::FunctionDescriptor::GetActiveConfig: |
| return ToHook<HWC2_PFN_GET_ACTIVE_CONFIG>( |
| DisplayHook<decltype(&HwcDisplay::GetActiveConfig), |
| &HwcDisplay::GetActiveConfig, hwc2_config_t *>); |
| case HWC2::FunctionDescriptor::GetChangedCompositionTypes: |
| return ToHook<HWC2_PFN_GET_CHANGED_COMPOSITION_TYPES>( |
| DisplayHook<decltype(&HwcDisplay::GetChangedCompositionTypes), |
| &HwcDisplay::GetChangedCompositionTypes, uint32_t *, |
| hwc2_layer_t *, int32_t *>); |
| case HWC2::FunctionDescriptor::GetClientTargetSupport: |
| return ToHook<HWC2_PFN_GET_CLIENT_TARGET_SUPPORT>( |
| DisplayHook<decltype(&HwcDisplay::GetClientTargetSupport), |
| &HwcDisplay::GetClientTargetSupport, uint32_t, uint32_t, |
| int32_t, int32_t>); |
| case HWC2::FunctionDescriptor::GetColorModes: |
| return ToHook<HWC2_PFN_GET_COLOR_MODES>( |
| DisplayHook<decltype(&HwcDisplay::GetColorModes), |
| &HwcDisplay::GetColorModes, uint32_t *, int32_t *>); |
| case HWC2::FunctionDescriptor::GetDisplayAttribute: |
| return ToHook<HWC2_PFN_GET_DISPLAY_ATTRIBUTE>(DisplayHook< |
| decltype(&HwcDisplay::GetDisplayAttribute), |
| &HwcDisplay::GetDisplayAttribute, hwc2_config_t, int32_t, int32_t *>); |
| case HWC2::FunctionDescriptor::GetDisplayConfigs: |
| return ToHook<HWC2_PFN_GET_DISPLAY_CONFIGS>(DisplayHook< |
| decltype(&HwcDisplay::GetDisplayConfigs), |
| &HwcDisplay::GetDisplayConfigs, uint32_t *, hwc2_config_t *>); |
| case HWC2::FunctionDescriptor::GetDisplayName: |
| return ToHook<HWC2_PFN_GET_DISPLAY_NAME>( |
| DisplayHook<decltype(&HwcDisplay::GetDisplayName), |
| &HwcDisplay::GetDisplayName, uint32_t *, char *>); |
| case HWC2::FunctionDescriptor::GetDisplayRequests: |
| return ToHook<HWC2_PFN_GET_DISPLAY_REQUESTS>( |
| DisplayHook<decltype(&HwcDisplay::GetDisplayRequests), |
| &HwcDisplay::GetDisplayRequests, int32_t *, uint32_t *, |
| hwc2_layer_t *, int32_t *>); |
| case HWC2::FunctionDescriptor::GetDisplayType: |
| return ToHook<HWC2_PFN_GET_DISPLAY_TYPE>( |
| DisplayHook<decltype(&HwcDisplay::GetDisplayType), |
| &HwcDisplay::GetDisplayType, int32_t *>); |
| case HWC2::FunctionDescriptor::GetDozeSupport: |
| return ToHook<HWC2_PFN_GET_DOZE_SUPPORT>( |
| DisplayHook<decltype(&HwcDisplay::GetDozeSupport), |
| &HwcDisplay::GetDozeSupport, int32_t *>); |
| case HWC2::FunctionDescriptor::GetHdrCapabilities: |
| return ToHook<HWC2_PFN_GET_HDR_CAPABILITIES>( |
| DisplayHook<decltype(&HwcDisplay::GetHdrCapabilities), |
| &HwcDisplay::GetHdrCapabilities, uint32_t *, int32_t *, |
| float *, float *, float *>); |
| case HWC2::FunctionDescriptor::GetReleaseFences: |
| return ToHook<HWC2_PFN_GET_RELEASE_FENCES>( |
| DisplayHook<decltype(&HwcDisplay::GetReleaseFences), |
| &HwcDisplay::GetReleaseFences, uint32_t *, hwc2_layer_t *, |
| int32_t *>); |
| case HWC2::FunctionDescriptor::PresentDisplay: |
| return ToHook<HWC2_PFN_PRESENT_DISPLAY>( |
| DisplayHook<decltype(&HwcDisplay::PresentDisplay), |
| &HwcDisplay::PresentDisplay, int32_t *>); |
| case HWC2::FunctionDescriptor::SetActiveConfig: |
| return ToHook<HWC2_PFN_SET_ACTIVE_CONFIG>( |
| DisplayHook<decltype(&HwcDisplay::SetActiveConfig), |
| &HwcDisplay::SetActiveConfig, hwc2_config_t>); |
| case HWC2::FunctionDescriptor::SetClientTarget: |
| return ToHook<HWC2_PFN_SET_CLIENT_TARGET>(DisplayHook< |
| decltype(&HwcDisplay::SetClientTarget), &HwcDisplay::SetClientTarget, |
| buffer_handle_t, int32_t, int32_t, hwc_region_t>); |
| case HWC2::FunctionDescriptor::SetColorMode: |
| return ToHook<HWC2_PFN_SET_COLOR_MODE>( |
| DisplayHook<decltype(&HwcDisplay::SetColorMode), |
| &HwcDisplay::SetColorMode, int32_t>); |
| case HWC2::FunctionDescriptor::SetColorTransform: |
| return ToHook<HWC2_PFN_SET_COLOR_TRANSFORM>( |
| DisplayHook<decltype(&HwcDisplay::SetColorTransform), |
| &HwcDisplay::SetColorTransform, const float *, int32_t>); |
| case HWC2::FunctionDescriptor::SetOutputBuffer: |
| return ToHook<HWC2_PFN_SET_OUTPUT_BUFFER>( |
| DisplayHook<decltype(&HwcDisplay::SetOutputBuffer), |
| &HwcDisplay::SetOutputBuffer, buffer_handle_t, int32_t>); |
| case HWC2::FunctionDescriptor::SetPowerMode: |
| return ToHook<HWC2_PFN_SET_POWER_MODE>( |
| DisplayHook<decltype(&HwcDisplay::SetPowerMode), |
| &HwcDisplay::SetPowerMode, int32_t>); |
| case HWC2::FunctionDescriptor::SetVsyncEnabled: |
| return ToHook<HWC2_PFN_SET_VSYNC_ENABLED>( |
| DisplayHook<decltype(&HwcDisplay::SetVsyncEnabled), |
| &HwcDisplay::SetVsyncEnabled, int32_t>); |
| case HWC2::FunctionDescriptor::ValidateDisplay: |
| return ToHook<HWC2_PFN_VALIDATE_DISPLAY>( |
| DisplayHook<decltype(&HwcDisplay::ValidateDisplay), |
| &HwcDisplay::ValidateDisplay, uint32_t *, uint32_t *>); |
| |
| // Layer functions |
| case HWC2::FunctionDescriptor::SetCursorPosition: |
| return ToHook<HWC2_PFN_SET_CURSOR_POSITION>( |
| LayerHook<decltype(&HwcLayer::SetCursorPosition), |
| &HwcLayer::SetCursorPosition, int32_t, int32_t>); |
| case HWC2::FunctionDescriptor::SetLayerBlendMode: |
| return ToHook<HWC2_PFN_SET_LAYER_BLEND_MODE>( |
| LayerHook<decltype(&HwcLayer::SetLayerBlendMode), |
| &HwcLayer::SetLayerBlendMode, int32_t>); |
| case HWC2::FunctionDescriptor::SetLayerBuffer: |
| return ToHook<HWC2_PFN_SET_LAYER_BUFFER>( |
| LayerHook<decltype(&HwcLayer::SetLayerBuffer), |
| &HwcLayer::SetLayerBuffer, buffer_handle_t, int32_t>); |
| case HWC2::FunctionDescriptor::SetLayerColor: |
| return ToHook<HWC2_PFN_SET_LAYER_COLOR>( |
| LayerHook<decltype(&HwcLayer::SetLayerColor), |
| &HwcLayer::SetLayerColor, hwc_color_t>); |
| case HWC2::FunctionDescriptor::SetLayerCompositionType: |
| return ToHook<HWC2_PFN_SET_LAYER_COMPOSITION_TYPE>( |
| LayerHook<decltype(&HwcLayer::SetLayerCompositionType), |
| &HwcLayer::SetLayerCompositionType, int32_t>); |
| case HWC2::FunctionDescriptor::SetLayerDataspace: |
| return ToHook<HWC2_PFN_SET_LAYER_DATASPACE>( |
| LayerHook<decltype(&HwcLayer::SetLayerDataspace), |
| &HwcLayer::SetLayerDataspace, int32_t>); |
| case HWC2::FunctionDescriptor::SetLayerDisplayFrame: |
| return ToHook<HWC2_PFN_SET_LAYER_DISPLAY_FRAME>( |
| LayerHook<decltype(&HwcLayer::SetLayerDisplayFrame), |
| &HwcLayer::SetLayerDisplayFrame, hwc_rect_t>); |
| case HWC2::FunctionDescriptor::SetLayerPlaneAlpha: |
| return ToHook<HWC2_PFN_SET_LAYER_PLANE_ALPHA>( |
| LayerHook<decltype(&HwcLayer::SetLayerPlaneAlpha), |
| &HwcLayer::SetLayerPlaneAlpha, float>); |
| case HWC2::FunctionDescriptor::SetLayerSidebandStream: |
| return ToHook<HWC2_PFN_SET_LAYER_SIDEBAND_STREAM>(LayerHook< |
| decltype(&HwcLayer::SetLayerSidebandStream), |
| &HwcLayer::SetLayerSidebandStream, const native_handle_t *>); |
| case HWC2::FunctionDescriptor::SetLayerSourceCrop: |
| return ToHook<HWC2_PFN_SET_LAYER_SOURCE_CROP>( |
| LayerHook<decltype(&HwcLayer::SetLayerSourceCrop), |
| &HwcLayer::SetLayerSourceCrop, hwc_frect_t>); |
| case HWC2::FunctionDescriptor::SetLayerSurfaceDamage: |
| return ToHook<HWC2_PFN_SET_LAYER_SURFACE_DAMAGE>( |
| LayerHook<decltype(&HwcLayer::SetLayerSurfaceDamage), |
| &HwcLayer::SetLayerSurfaceDamage, hwc_region_t>); |
| case HWC2::FunctionDescriptor::SetLayerTransform: |
| return ToHook<HWC2_PFN_SET_LAYER_TRANSFORM>( |
| LayerHook<decltype(&HwcLayer::SetLayerTransform), |
| &HwcLayer::SetLayerTransform, int32_t>); |
| case HWC2::FunctionDescriptor::SetLayerVisibleRegion: |
| return ToHook<HWC2_PFN_SET_LAYER_VISIBLE_REGION>( |
| LayerHook<decltype(&HwcLayer::SetLayerVisibleRegion), |
| &HwcLayer::SetLayerVisibleRegion, hwc_region_t>); |
| case HWC2::FunctionDescriptor::SetLayerZOrder: |
| return ToHook<HWC2_PFN_SET_LAYER_Z_ORDER>( |
| LayerHook<decltype(&HwcLayer::SetLayerZOrder), |
| &HwcLayer::SetLayerZOrder, uint32_t>); |
| case HWC2::FunctionDescriptor::Invalid: |
| default: |
| return NULL; |
| } |
| } |
| |
| // static |
| int DrmHwcTwo::HookDevOpen(const struct hw_module_t *module, const char *name, |
| struct hw_device_t **dev) { |
| supported(__func__); |
| if (strcmp(name, HWC_HARDWARE_COMPOSER)) { |
| ALOGE("Invalid module name- %s", name); |
| return -EINVAL; |
| } |
| |
| std::unique_ptr<DrmHwcTwo> ctx(new DrmHwcTwo()); |
| if (!ctx) { |
| ALOGE("Failed to allocate DrmHwcTwo"); |
| return -ENOMEM; |
| } |
| |
| HWC2::Error err = ctx->Init(); |
| if (err != HWC2::Error::None) { |
| ALOGE("Failed to initialize DrmHwcTwo err=%d\n", err); |
| return -EINVAL; |
| } |
| |
| ctx->common.module = const_cast<hw_module_t *>(module); |
| *dev = &ctx->common; |
| ctx.release(); |
| return 0; |
| } |
| } |
| |
| static struct hw_module_methods_t hwc2_module_methods = { |
| .open = android::DrmHwcTwo::HookDevOpen, |
| }; |
| |
| hw_module_t HAL_MODULE_INFO_SYM = { |
| .tag = HARDWARE_MODULE_TAG, |
| .module_api_version = HARDWARE_MODULE_API_VERSION(2, 0), |
| .id = HWC_HARDWARE_MODULE_ID, |
| .name = "DrmHwcTwo module", |
| .author = "The Android Open Source Project", |
| .methods = &hwc2_module_methods, |
| .dso = NULL, |
| .reserved = {0}, |
| }; |