drm_hwcomposer: use CamelCase in source/header files related to class
Main goal is to increase readability of file names.
AOSP uses camelcase for files in many projects.
Lets do the same for drm_hwcomposer.
Keep platform/ directory as is, since class names is different from file names.
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
Change-Id: I7e992357851c2a86711f4da1241c4d507359e56b
diff --git a/DrmHwcTwo.cpp b/DrmHwcTwo.cpp
new file mode 100644
index 0000000..15fa324
--- /dev/null
+++ b/DrmHwcTwo.cpp
@@ -0,0 +1,1448 @@
+/*
+ * 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 "DrmHwcTwo.h"
+
+#include <cutils/properties.h>
+#include <hardware/hardware.h>
+#include <hardware/hwcomposer2.h>
+#include <inttypes.h>
+#include <log/log.h>
+
+#include <string>
+
+#include "backend/BackendManager.h"
+#include "compositor/DrmDisplayComposition.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::CreateDisplay(hwc2_display_t displ,
+ HWC2::DisplayType type) {
+ DrmDevice *drm = resource_manager_.GetDrmDevice(displ);
+ std::shared_ptr<Importer> importer = resource_manager_.GetImporter(displ);
+ if (!drm || !importer) {
+ ALOGE("Failed to get a valid drmresource and importer");
+ return HWC2::Error::NoResources;
+ }
+ displays_.emplace(std::piecewise_construct, std::forward_as_tuple(displ),
+ std::forward_as_tuple(&resource_manager_, drm, importer,
+ displ, type));
+
+ DrmCrtc *crtc = drm->GetCrtcForDisplay(static_cast<int>(displ));
+ if (!crtc) {
+ ALOGE("Failed to get crtc for display %d", static_cast<int>(displ));
+ 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(displ).Init(&display_planes);
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::Init() {
+ int rv = resource_manager_.Init();
+ if (rv) {
+ ALOGE("Can't initialize the resource manager %d", rv);
+ return HWC2::Error::NoResources;
+ }
+
+ HWC2::Error ret = HWC2::Error::None;
+ for (int i = 0; i < resource_manager_.getDisplayCount(); i++) {
+ ret = CreateDisplay(i, HWC2::DisplayType::Physical);
+ if (ret != HWC2::Error::None) {
+ ALOGE("Failed to create display %d with error %d", i, ret);
+ return ret;
+ }
+ }
+
+ auto &drmDevices = resource_manager_.getDrmDevices();
+ for (auto &device : drmDevices) {
+ device->RegisterHotplugHandler(new DrmHotplugHandler(this, device.get()));
+ }
+ return ret;
+}
+
+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);
+}
+
+std::string DrmHwcTwo::HwcDisplay::DumpDelta(
+ DrmHwcTwo::HwcDisplay::Stats delta) {
+ if (delta.total_pixops_ == 0)
+ return "No stats yet";
+ double Ratio = 1.0 - double(delta.gpu_pixops_) / double(delta.total_pixops_);
+
+ return (std::stringstream()
+ << " 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)
+ .str();
+}
+
+std::string DrmHwcTwo::HwcDisplay::Dump() {
+ auto out = (std::stringstream()
+ << "- Display on: " << connector_->name() << "\n"
+ << " Flattening state: " << compositor_.GetFlatteningState()
+ << "\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")
+ .str();
+
+ memcpy(&prev_stats_, &total_stats_, sizeof(Stats));
+ return out;
+}
+
+void DrmHwcTwo::Dump(uint32_t *outSize, char *outBuffer) {
+ supported(__func__);
+
+ if (outBuffer != nullptr) {
+ auto copiedBytes = mDumpString.copy(outBuffer, *outSize);
+ *outSize = static_cast<uint32_t>(copiedBytes);
+ return;
+ }
+
+ std::stringstream output;
+
+ output << "-- drm_hwcomposer --\n\n";
+
+ for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &dp : displays_)
+ output << dp.second.Dump();
+
+ mDumpString = output.str();
+ *outSize = static_cast<uint32_t>(mDumpString.size());
+}
+
+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);
+
+ if (!function) {
+ callbacks_.erase(callback);
+ return HWC2::Error::None;
+ }
+
+ callbacks_.emplace(callback, HwcCallback(data, function));
+
+ switch (callback) {
+ case HWC2::Callback::Hotplug: {
+ auto &drmDevices = resource_manager_.getDrmDevices();
+ for (auto &device : drmDevices)
+ HandleInitialHotplugState(device.get());
+ break;
+ }
+ case HWC2::Callback::Refresh: {
+ for (std::pair<const hwc2_display_t, DrmHwcTwo::HwcDisplay> &d :
+ displays_)
+ d.second.RegisterRefreshCallback(data, function);
+ 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(ResourceManager *resource_manager,
+ DrmDevice *drm,
+ std::shared_ptr<Importer> importer,
+ hwc2_display_t handle, HWC2::DisplayType type)
+ : resource_manager_(resource_manager),
+ drm_(drm),
+ importer_(importer),
+ handle_(handle),
+ type_(type),
+ color_transform_hint_(HAL_COLOR_TRANSFORM_IDENTITY) {
+ supported(__func__);
+
+ // 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 DrmHwcTwo::HwcDisplay::ClearDisplay() {
+ compositor_.ClearDisplay();
+}
+
+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(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 = 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;
+ }
+
+ 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;
+ }
+
+ ret = BackendManager::GetInstance().SetBackendForDisplay(this);
+ if (ret) {
+ ALOGE("Failed to set backend for d=%d %d\n", display, ret);
+ return HWC2::Error::BadDisplay;
+ }
+
+ return ChosePreferredConfig();
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::ChosePreferredConfig() {
+ // 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;
+
+ return SetActiveConfig(connector_->get_preferred_mode_id());
+}
+
+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;
+}
+
+void DrmHwcTwo::HwcDisplay::RegisterRefreshCallback(
+ hwc2_callback_data_t data, hwc2_function_pointer_t func) {
+ supported(__func__);
+ auto hook = reinterpret_cast<HWC2_PFN_REFRESH>(func);
+ compositor_.SetRefreshCallback([data, hook](int display) {
+ hook(data, static_cast<hwc2_display_t>(display));
+ });
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::AcceptDisplayChanges() {
+ supported(__func__);
+ 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__);
+ if (!get_layer(layer))
+ return HWC2::Error::BadLayer;
+
+ 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;
+ }
+ }
+
+ // Since the upper layers only look at vactive/hactive/refresh, height and
+ // width, it doesn't differentiate interlaced from progressive and other
+ // similar modes. Depending on the order of modes we return to SF, it could
+ // end up choosing a suboptimal configuration and dropping the preferred
+ // mode. To workaround this, don't offer interlaced modes to SF if there is
+ // at least one non-interlaced alternative and only offer a single WxH@R
+ // mode with at least the prefered mode from in DrmConnector::UpdateModes()
+
+ // TODO: Remove the following block of code until AOSP handles all modes
+ std::vector<DrmMode> sel_modes;
+
+ // Add the preferred mode first to be sure it's not dropped
+ auto mode = std::find_if(connector_->modes().begin(),
+ connector_->modes().end(), [&](DrmMode const &m) {
+ return m.id() ==
+ connector_->get_preferred_mode_id();
+ });
+ if (mode != connector_->modes().end())
+ sel_modes.push_back(*mode);
+
+ // Add the active mode if different from preferred mode
+ if (connector_->active_mode().id() != connector_->get_preferred_mode_id())
+ sel_modes.push_back(connector_->active_mode());
+
+ // Cycle over the modes and filter out "similar" modes, keeping only the
+ // first ones in the order given by DRM (from CEA ids and timings order)
+ for (const DrmMode &mode : connector_->modes()) {
+ // TODO: Remove this when 3D Attributes are in AOSP
+ if (mode.flags() & DRM_MODE_FLAG_3D_MASK)
+ continue;
+
+ // TODO: Remove this when the Interlaced attribute is in AOSP
+ if (mode.flags() & DRM_MODE_FLAG_INTERLACE) {
+ auto m = std::find_if(connector_->modes().begin(),
+ connector_->modes().end(),
+ [&mode](DrmMode const &m) {
+ return !(m.flags() & DRM_MODE_FLAG_INTERLACE) &&
+ m.h_display() == mode.h_display() &&
+ m.v_display() == mode.v_display();
+ });
+ if (m == connector_->modes().end())
+ sel_modes.push_back(mode);
+
+ continue;
+ }
+
+ // Search for a similar WxH@R mode in the filtered list and drop it if
+ // another mode with the same WxH@R has already been selected
+ // TODO: Remove this when AOSP handles duplicates modes
+ auto m = std::find_if(sel_modes.begin(), sel_modes.end(),
+ [&mode](DrmMode const &m) {
+ return m.h_display() == mode.h_display() &&
+ m.v_display() == mode.v_display() &&
+ m.v_refresh() == mode.v_refresh();
+ });
+ if (m == sel_modes.end())
+ sel_modes.push_back(mode);
+ }
+
+ auto num_modes = static_cast<uint32_t>(sel_modes.size());
+ if (!configs) {
+ *num_configs = num_modes;
+ return HWC2::Error::None;
+ }
+
+ uint32_t idx = 0;
+ for (const DrmMode &mode : sel_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::AddFenceToPresentFence(int fd) {
+ if (fd < 0)
+ return;
+
+ if (present_fence_.get() >= 0) {
+ int old_fence = present_fence_.get();
+ present_fence_.Set(sync_merge("dc_present", old_fence, fd));
+ close(fd);
+ } else {
+ present_fence_.Set(fd);
+ }
+}
+
+bool DrmHwcTwo::HwcDisplay::HardwareSupportsLayerType(
+ HWC2::Composition comp_type) {
+ return comp_type == HWC2::Composition::Device ||
+ comp_type == HWC2::Composition::Cursor;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::CreateComposition(bool test) {
+ 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 = UINT32_MAX;
+ 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 lowest client layer
+ use_client_layer = true;
+ client_z_order = std::min(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_));
+
+ if (z_map.empty())
+ return HWC2::Error::BadLayer;
+
+ // 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());
+ if (ret) {
+ ALOGE("Failed to import layer, ret=%d", ret);
+ return HWC2::Error::NoResources;
+ }
+ map.layers.emplace_back(std::move(layer));
+ }
+
+ 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(&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);
+ }
+
+ if (test) {
+ ret = compositor_.TestComposition(composition.get());
+ } else {
+ ret = compositor_.ApplyComposition(std::move(composition));
+ AddFenceToPresentFence(compositor_.TakeOutFence());
+ }
+ if (ret) {
+ if (!test)
+ ALOGE("Failed to apply the frame composition ret=%d", ret);
+ return HWC2::Error::BadParameter;
+ }
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::PresentDisplay(int32_t *present_fence) {
+ supported(__func__);
+ HWC2::Error ret;
+
+ ++total_stats_.total_frames_;
+
+ ret = CreateComposition(false);
+ 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 = present_fence_.Release();
+
+ ++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_.ApplyComposition(std::move(composition));
+ if (ret) {
+ ALOGE("Failed to queue dpms composition on %d", ret);
+ return HWC2::Error::BadConfig;
+ }
+
+ 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::BadParameter;
+
+ color_mode_ = mode;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetColorTransform(const float *matrix,
+ int32_t hint) {
+ supported(__func__);
+ 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 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;
+ 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;
+ };
+
+ std::unique_ptr<DrmDisplayComposition> composition = compositor_
+ .CreateComposition();
+ composition->Init(drm_, crtc_, importer_.get(), planner_.get(), frame_no_);
+ composition->SetDpmsMode(dpms_value);
+ int ret = compositor_.ApplyComposition(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(HWC2_VSYNC_ENABLE == enabled);
+ return HWC2::Error::None;
+}
+
+uint32_t DrmHwcTwo::HwcDisplay::CalcPixOps(
+ std::map<uint32_t, DrmHwcTwo::HwcLayer *> &z_map, size_t first_z,
+ size_t size) {
+ uint32_t pixops = 0;
+ for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
+ if (l.first >= first_z && l.first < first_z + size) {
+ hwc_rect_t df = l.second->display_frame();
+ pixops += (df.right - df.left) * (df.bottom - df.top);
+ }
+ }
+ return pixops;
+}
+
+void DrmHwcTwo::HwcDisplay::MarkValidated(
+ std::map<uint32_t, DrmHwcTwo::HwcLayer *> &z_map, size_t client_first_z,
+ size_t client_size) {
+ for (std::pair<const uint32_t, DrmHwcTwo::HwcLayer *> &l : z_map) {
+ if (l.first >= client_first_z && l.first < client_first_z + client_size)
+ l.second->set_validated_type(HWC2::Composition::Client);
+ else
+ l.second->set_validated_type(HWC2::Composition::Device);
+ }
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::ValidateDisplay(uint32_t *num_types,
+ uint32_t *num_requests) {
+ supported(__func__);
+
+ return backend_->ValidateDisplay(this, num_types, num_requests);
+}
+
+#if PLATFORM_SDK_VERSION > 28
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayIdentificationData(
+ uint8_t *outPort, uint32_t *outDataSize, uint8_t *outData) {
+ supported(__func__);
+
+ drmModePropertyBlobPtr blob;
+ int ret;
+ uint64_t blob_id;
+
+ std::tie(ret, blob_id) = connector_->edid_property().value();
+ if (ret) {
+ ALOGE("Failed to get edid property value.");
+ return HWC2::Error::Unsupported;
+ }
+
+ blob = drmModeGetPropertyBlob(drm_->fd(), blob_id);
+
+ if (outData) {
+ *outDataSize = std::min(*outDataSize, blob->length);
+ memcpy(outData, blob->data, *outDataSize);
+ } else {
+ *outDataSize = blob->length;
+ }
+ *outPort = connector_->id();
+
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayCapabilities(
+ uint32_t *outNumCapabilities, uint32_t *outCapabilities) {
+ unsupported(__func__, outCapabilities);
+
+ if (outNumCapabilities == NULL) {
+ return HWC2::Error::BadParameter;
+ }
+
+ *outNumCapabilities = 0;
+
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::GetDisplayBrightnessSupport(
+ bool *supported) {
+ *supported = false;
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcDisplay::SetDisplayBrightness(
+ float /* brightness */) {
+ return HWC2::Error::Unsupported;
+}
+
+#endif /* PLATFORM_SDK_VERSION > 28 */
+
+#if PLATFORM_SDK_VERSION > 27
+
+HWC2::Error DrmHwcTwo::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 DrmHwcTwo::HwcDisplay::SetColorModeWithIntent(int32_t mode,
+ int32_t intent) {
+ if (mode != HAL_COLOR_MODE_NATIVE)
+ return HWC2::Error::BadParameter;
+ if (intent != HAL_RENDER_INTENT_COLORIMETRIC)
+ return HWC2::Error::BadParameter;
+ color_mode_ = mode;
+ return HWC2::Error::None;
+}
+
+#endif /* PLATFORM_SDK_VERSION > 27 */
+
+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);
+
+ set_buffer(buffer);
+ set_acquire_fence(uf.get());
+ return HWC2::Error::None;
+}
+
+HWC2::Error DrmHwcTwo::HwcLayer::SetLayerColor(hwc_color_t color) {
+ // TODO: Put to client composition here?
+ supported(__func__);
+ layer_color_ = color;
+ return HWC2::Error::None;
+}
+
+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<uint16_t>(65535.0f * alpha_ + 0.5f);
+ layer->SetSourceCrop(source_crop_);
+ layer->SetTransform(static_cast<int32_t>(transform_));
+}
+
+void DrmHwcTwo::HandleDisplayHotplug(hwc2_display_t displayid, int state) {
+ auto cb = callbacks_.find(HWC2::Callback::Hotplug);
+ if (cb == callbacks_.end())
+ return;
+
+ auto hotplug = reinterpret_cast<HWC2_PFN_HOTPLUG>(cb->second.func);
+ hotplug(cb->second.data, displayid,
+ (state == DRM_MODE_CONNECTED ? HWC2_CONNECTION_CONNECTED
+ : HWC2_CONNECTION_DISCONNECTED));
+}
+
+void DrmHwcTwo::HandleInitialHotplugState(DrmDevice *drmDevice) {
+ for (auto &conn : drmDevice->connectors()) {
+ if (conn->state() != DRM_MODE_CONNECTED)
+ continue;
+ HandleDisplayHotplug(conn->display(), conn->state());
+ }
+}
+
+void DrmHwcTwo::DrmHotplugHandler::HandleEvent(uint64_t timestamp_us) {
+ for (auto &conn : drm_->connectors()) {
+ drmModeConnection old_state = conn->state();
+ drmModeConnection cur_state = conn->UpdateModes()
+ ? DRM_MODE_UNKNOWNCONNECTION
+ : conn->state();
+
+ if (cur_state == old_state)
+ continue;
+
+ ALOGI("%s event @%" PRIu64 " for connector %u on display %d",
+ cur_state == DRM_MODE_CONNECTED ? "Plug" : "Unplug", timestamp_us,
+ conn->id(), conn->display());
+
+ int display_id = conn->display();
+ if (cur_state == DRM_MODE_CONNECTED) {
+ auto &display = hwc2_->displays_.at(display_id);
+ display.ChosePreferredConfig();
+ } else {
+ auto &display = hwc2_->displays_.at(display_id);
+ display.ClearDisplay();
+ }
+
+ hwc2_->HandleDisplayHotplug(display_id, cur_state);
+ }
+}
+
+// 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 *>);
+#if PLATFORM_SDK_VERSION > 27
+ case HWC2::FunctionDescriptor::GetRenderIntents:
+ return ToHook<HWC2_PFN_GET_RENDER_INTENTS>(
+ DisplayHook<decltype(&HwcDisplay::GetRenderIntents),
+ &HwcDisplay::GetRenderIntents, int32_t, uint32_t *,
+ int32_t *>);
+ case HWC2::FunctionDescriptor::SetColorModeWithRenderIntent:
+ return ToHook<HWC2_PFN_SET_COLOR_MODE_WITH_RENDER_INTENT>(
+ DisplayHook<decltype(&HwcDisplay::SetColorModeWithIntent),
+ &HwcDisplay::SetColorModeWithIntent, int32_t, int32_t>);
+#endif
+#if PLATFORM_SDK_VERSION > 28
+ case HWC2::FunctionDescriptor::GetDisplayIdentificationData:
+ return ToHook<HWC2_PFN_GET_DISPLAY_IDENTIFICATION_DATA>(
+ DisplayHook<decltype(&HwcDisplay::GetDisplayIdentificationData),
+ &HwcDisplay::GetDisplayIdentificationData, uint8_t *,
+ uint32_t *, uint8_t *>);
+ case HWC2::FunctionDescriptor::GetDisplayCapabilities:
+ return ToHook<HWC2_PFN_GET_DISPLAY_CAPABILITIES>(
+ DisplayHook<decltype(&HwcDisplay::GetDisplayCapabilities),
+ &HwcDisplay::GetDisplayCapabilities, uint32_t *,
+ uint32_t *>);
+ case HWC2::FunctionDescriptor::GetDisplayBrightnessSupport:
+ return ToHook<HWC2_PFN_GET_DISPLAY_BRIGHTNESS_SUPPORT>(
+ DisplayHook<decltype(&HwcDisplay::GetDisplayBrightnessSupport),
+ &HwcDisplay::GetDisplayBrightnessSupport, bool *>);
+ case HWC2::FunctionDescriptor::SetDisplayBrightness:
+ return ToHook<HWC2_PFN_SET_DISPLAY_BRIGHTNESS>(
+ DisplayHook<decltype(&HwcDisplay::SetDisplayBrightness),
+ &HwcDisplay::SetDisplayBrightness, float>);
+#endif /* PLATFORM_SDK_VERSION > 28 */
+ // 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;
+}
+} // namespace android
+
+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},
+};