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android13/external/drm_hwcomposer/hwc2_device/HwcDisplay.cpp

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/*
* 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/Backend.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::string connector_name = IsInHeadlessMode()
? "NULL-DISPLAY"
: GetPipe().connector->Get()->GetName();
std::stringstream ss;
ss << "- Display on: " << connector_name << "\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(hwc2_display_t handle, HWC2::DisplayType type,
DrmHwcTwo *hwc2)
: hwc2_(hwc2),
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
}
HwcDisplay::~HwcDisplay() = default;
void HwcDisplay::SetPipeline(DrmDisplayPipeline *pipeline) {
pipeline_ = pipeline;
if (pipeline != nullptr) {
ChosePreferredConfig();
Init();
hwc2_->ScheduleHotplugEvent(handle_, /*connected = */ true);
} else {
backend_.reset();
vsync_worker_.Init(nullptr, [](int64_t) {});
SetClientTarget(nullptr, -1, 0, {});
if (handle_ != kPrimaryDisplay) {
hwc2_->ScheduleHotplugEvent(handle_, /*connected = */ false);
}
}
}
HWC2::Error HwcDisplay::Init() {
int ret = vsync_worker_.Init(pipeline_, [this](int64_t timestamp) {
const std::lock_guard<std::mutex> lock(hwc2_->GetResMan().GetMainLock());
if (vsync_event_en_) {
uint32_t period_ns{};
GetDisplayVsyncPeriod(&period_ns);
hwc2_->SendVsyncEventToClient(handle_, timestamp, period_ns);
}
if (vsync_flattening_en_) {
ProcessFlatenningVsyncInternal();
}
if (vsync_tracking_en_) {
last_vsync_ts_ = timestamp;
}
if (!vsync_event_en_ && !vsync_flattening_en_ && !vsync_tracking_en_) {
vsync_worker_.VSyncControl(false);
}
});
if (ret && ret != -EALREADY) {
ALOGE("Failed to create event worker for d=%d %d\n", int(handle_), ret);
return HWC2::Error::BadDisplay;
}
if (!IsInHeadlessMode()) {
ret = BackendManager::GetInstance().SetBackendForDisplay(this);
if (ret) {
ALOGE("Failed to set backend for d=%d %d\n", int(handle_), ret);
return HWC2::Error::BadDisplay;
}
}
client_layer_.SetLayerBlendMode(HWC2_BLEND_MODE_PREMULTIPLIED);
return HWC2::Error::None;
}
HWC2::Error HwcDisplay::ChosePreferredConfig() {
HWC2::Error err{};
if (!IsInHeadlessMode()) {
err = configs_.Update(*pipeline_->connector->Get());
} else {
configs_.FillHeadless();
}
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(staged_mode_config_id_) == 0)
return HWC2::Error::BadConfig;
*config = staged_mode_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) {
if (IsInHeadlessMode()) {
return HWC2::Error::None;
}
std::pair<uint32_t, uint32_t> min = pipeline_->device->GetMinResolution();
std::pair<uint32_t, uint32_t> max = pipeline_->device->GetMaxResolution();
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 mode #%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 = int(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;
if (IsInHeadlessMode()) {
stream << "null-display";
} else {
stream << "display-" << GetPipe().connector->Get()->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;
}
int PrevModeVsyncPeriodNs = static_cast<int>(
1E9 / GetPipe().connector->Get()->GetActiveMode().v_refresh());
auto mode_update_commited_ = false;
if (staged_mode_ &&
staged_mode_change_time_ <= ResourceManager::GetTimeMonotonicNs()) {
client_layer_.SetLayerDisplayFrame(
(hwc_rect_t){.left = 0,
.top = 0,
.right = static_cast<int>(staged_mode_->h_display()),
.bottom = static_cast<int>(staged_mode_->v_display())});
configs_.active_config_id = staged_mode_config_id_;
a_args.display_mode = *staged_mode_;
if (!a_args.test_only) {
mode_update_commited_ = true;
}
}
// 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(GetPipe().device);
if (ret) {
ALOGE("Failed to import layer, ret=%d", ret);
return HWC2::Error::NoResources;
}
composition_layers.emplace_back(std::move(layer));
}
/* Store plan to ensure shared planes won't be stolen by other display
* in between of ValidateDisplay() and PresentDisplay() calls
*/
current_plan_ = DrmKmsPlan::CreateDrmKmsPlan(GetPipe(),
std::move(composition_layers));
if (!current_plan_) {
if (!a_args.test_only) {
ALOGE("Failed to create DrmKmsPlan");
}
return HWC2::Error::BadConfig;
}
a_args.composition = current_plan_;
int ret = GetPipe().atomic_state_manager->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 (mode_update_commited_) {
staged_mode_.reset();
vsync_tracking_en_ = false;
if (last_vsync_ts_ != 0) {
hwc2_->SendVsyncPeriodTimingChangedEventToClient(
handle_, last_vsync_ts_ + PrevModeVsyncPeriodNs);
}
}
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::SetActiveConfigInternal(uint32_t config,
int64_t change_time) {
if (configs_.hwc_configs.count(config) == 0) {
ALOGE("Could not find active mode for %u", config);
return HWC2::Error::BadConfig;
}
staged_mode_ = configs_.hwc_configs[config].mode;
staged_mode_change_time_ = change_time;
staged_mode_config_id_ = config;
return HWC2::Error::None;
}
HWC2::Error HwcDisplay::SetActiveConfig(hwc2_config_t config) {
return SetActiveConfigInternal(config, ResourceManager::GetTimeMonotonicNs());
}
/* 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 GetPipe().atomic_state_manager->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 = GetPipe().atomic_state_manager->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_event_en_ = HWC2_VSYNC_ENABLE == enabled;
if (vsync_event_en_) {
vsync_worker_.VSyncControl(true);
}
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;
}
HWC2::Error HwcDisplay::GetDisplayVsyncPeriod(
uint32_t *outVsyncPeriod /* ns */) {
return GetDisplayAttribute(configs_.active_config_id,
HWC2_ATTRIBUTE_VSYNC_PERIOD,
(int32_t *)(outVsyncPeriod));
}
#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 (GetPipe().connector->Get()->IsInternal() || handle_ == kPrimaryDisplay)
*outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::Internal);
else if (GetPipe().connector->Get()->IsExternal())
*outType = static_cast<uint32_t>(HWC2::DisplayConnectionType::External);
else
return HWC2::Error::BadConfig;
return HWC2::Error::None;
}
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;
}
uint32_t current_vsync_period{};
GetDisplayVsyncPeriod(&current_vsync_period);
if (vsyncPeriodChangeConstraints->seamlessRequired) {
return HWC2::Error::SeamlessNotAllowed;
}
outTimeline->refreshTimeNanos = vsyncPeriodChangeConstraints
->desiredTimeNanos -
current_vsync_period;
auto ret = SetActiveConfigInternal(config, outTimeline->refreshTimeNanos);
if (ret != HWC2::Error::None) {
return ret;
}
outTimeline->refreshRequired = true;
outTimeline->newVsyncAppliedTimeNanos = vsyncPeriodChangeConstraints
->desiredTimeNanos;
last_vsync_ts_ = 0;
vsync_tracking_en_ = true;
vsync_worker_.VSyncControl(true);
return HWC2::Error::None;
}
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) {
if (IsInHeadlessMode()) {
return HWC2::Error::None;
}
auto blob = GetPipe().connector->Get()->GetEdidBlob();
*outPort = handle_ - 1;
if (!blob) {
if (outData == nullptr) {
*outDataSize = 0;
}
return HWC2::Error::None;
}
if (outData) {
*outDataSize = std::min(*outDataSize, blob->length);
memcpy(outData, blob->data, *outDataSize);
} else {
*outDataSize = blob->length;
}
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);
}
/* returns true if composition should be sent to client */
bool HwcDisplay::ProcessClientFlatteningState(bool skip) {
int flattenning_state = flattenning_state_;
if (flattenning_state == ClientFlattenningState::Disabled) {
return false;
}
if (skip) {
flattenning_state_ = ClientFlattenningState::NotRequired;
return false;
}
if (flattenning_state == ClientFlattenningState::ClientRefreshRequested) {
flattenning_state_ = ClientFlattenningState::Flattened;
return true;
}
vsync_flattening_en_ = true;
vsync_worker_.VSyncControl(true);
flattenning_state_ = ClientFlattenningState::VsyncCountdownMax;
return false;
}
void HwcDisplay::ProcessFlatenningVsyncInternal() {
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_);
vsync_flattening_en_ = false;
}
}
} // namespace android
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