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v811_spc009/hardware/qcom/sm7250/display/composer/hwc_display.cpp

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/*
* Copyright (c) 2014-2021, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright 2015 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.
*/
#include <cutils/properties.h>
#include <errno.h>
#include <math.h>
#include <sync/sync.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <utils/constants.h>
#include <utils/debug.h>
#include <utils/utils.h>
#include <utils/formats.h>
#include <utils/rect.h>
#include <qd_utils.h>
#include <vendor/qti/hardware/display/composer/3.0/IQtiComposerClient.h>
#include <algorithm>
#include <iomanip>
#include <map>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
#include "hwc_display.h"
#include "hwc_debugger.h"
#include "hwc_tonemapper.h"
#include "hwc_session.h"
#ifdef QTI_BSP
#include <hardware/display_defs.h>
#endif
#define __CLASS__ "HWCDisplay"
namespace sdm {
uint32_t HWCDisplay::throttling_refresh_rate_ = 60;
bool NeedsToneMap(const LayerStack &layer_stack) {
for (Layer *layer : layer_stack.layers) {
if (layer->request.flags.tone_map) {
return true;
}
}
return false;
}
bool IsTimeAfterOrEqualVsyncTime(int64_t time, int64_t vsync_time) {
return ((vsync_time != INT64_MAX) && ((time - vsync_time) >= 0));
}
HWCColorMode::HWCColorMode(DisplayInterface *display_intf) : display_intf_(display_intf) {}
HWC2::Error HWCColorMode::Init() {
PopulateColorModes();
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::DeInit() {
color_mode_map_.clear();
return HWC2::Error::None;
}
uint32_t HWCColorMode::GetColorModeCount() {
uint32_t count = UINT32(color_mode_map_.size());
DLOGI("Supported color mode count = %d", count);
return std::max(1U, count);
}
uint32_t HWCColorMode::GetRenderIntentCount(ColorMode mode) {
uint32_t count = UINT32(color_mode_map_[mode].size());
DLOGI("mode: %d supported rendering intent count = %d", mode, count);
return std::max(1U, count);
}
HWC2::Error HWCColorMode::GetColorModes(uint32_t *out_num_modes, ColorMode *out_modes) {
auto it = color_mode_map_.begin();
*out_num_modes = std::min(*out_num_modes, UINT32(color_mode_map_.size()));
for (uint32_t i = 0; i < *out_num_modes; it++, i++) {
out_modes[i] = it->first;
DLOGI("Color mode = %d is supported", out_modes[i]);
}
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::GetRenderIntents(ColorMode mode, uint32_t *out_num_intents,
RenderIntent *out_intents) {
if (color_mode_map_.find(mode) == color_mode_map_.end()) {
return HWC2::Error::BadParameter;
}
auto it = color_mode_map_[mode].begin();
*out_num_intents = std::min(*out_num_intents, UINT32(color_mode_map_[mode].size()));
for (uint32_t i = 0; i < *out_num_intents; it++, i++) {
out_intents[i] = it->first;
DLOGI("Color mode = %d is supported with render intent = %d", mode, out_intents[i]);
}
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::ValidateColorModeWithRenderIntent(ColorMode mode, RenderIntent intent) {
if (mode < ColorMode::NATIVE || mode > ColorMode::DISPLAY_BT2020) {
DLOGE("Invalid mode: %d", mode);
return HWC2::Error::BadParameter;
}
if (color_mode_map_.find(mode) == color_mode_map_.end()) {
DLOGE("Could not find mode: %d", mode);
return HWC2::Error::Unsupported;
}
if (color_mode_map_[mode].find(intent) == color_mode_map_[mode].end()) {
DLOGE("Could not find render intent %d in mode %d", intent, mode);
return HWC2::Error::Unsupported;
}
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::SetColorModeWithRenderIntent(ColorMode mode, RenderIntent intent) {
DTRACE_SCOPED();
HWC2::Error hwc_error = ValidateColorModeWithRenderIntent(mode, intent);
if (hwc_error != HWC2::Error::None) {
return hwc_error;
}
if (current_color_mode_ == mode && current_render_intent_ == intent) {
return HWC2::Error::None;
}
auto mode_string = color_mode_map_[mode][intent][kSdrType];
DisplayError error = display_intf_->SetColorMode(mode_string);
if (error != kErrorNone) {
DLOGE("failed for mode = %d intent = %d name = %s", mode, intent, mode_string.c_str());
return HWC2::Error::Unsupported;
}
// The mode does not have the PCC configured, restore the transform
RestoreColorTransform();
current_color_mode_ = mode;
current_render_intent_ = intent;
DLOGV_IF(kTagClient, "Successfully applied mode = %d intent = %d name = %s", mode, intent,
mode_string.c_str());
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::CacheColorModeWithRenderIntent(ColorMode mode, RenderIntent intent) {
HWC2::Error error = ValidateColorModeWithRenderIntent(mode, intent);
if (error != HWC2::Error::None) {
return error;
}
if (current_color_mode_ == mode && current_render_intent_ == intent) {
return HWC2::Error::None;
}
current_color_mode_ = mode;
current_render_intent_ = intent;
apply_mode_ = true;
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::ApplyCurrentColorModeWithRenderIntent(bool hdr_present) {
// If panel does not support color modes, do not set color mode.
if (color_mode_map_.size() <= 1) {
return HWC2::Error::None;
}
if (!apply_mode_) {
if ((hdr_present && curr_dynamic_range_ == kHdrType) ||
(!hdr_present && curr_dynamic_range_ == kSdrType))
return HWC2::Error::None;
}
apply_mode_ = false;
curr_dynamic_range_ = (hdr_present)? kHdrType : kSdrType;
// select mode according to the blend space and dynamic range
std::string mode_string = preferred_mode_[current_color_mode_][curr_dynamic_range_];
if (mode_string.empty()) {
mode_string = color_mode_map_[current_color_mode_][current_render_intent_][curr_dynamic_range_];
if (mode_string.empty() && hdr_present) {
// Use the colorimetric HDR mode, if an HDR mode with the current render intent is not present
mode_string = color_mode_map_[current_color_mode_][RenderIntent::COLORIMETRIC][kHdrType];
}
if (mode_string.empty() &&
(current_color_mode_ == ColorMode::DISPLAY_P3 ||
current_color_mode_ == ColorMode::DISPLAY_BT2020) &&
curr_dynamic_range_ == kHdrType) {
// fall back to display_p3/display_bt2020 SDR mode if there is no HDR mode
mode_string = color_mode_map_[current_color_mode_][current_render_intent_][kSdrType];
}
if (mode_string.empty() &&
(current_color_mode_ == ColorMode::BT2100_PQ) && (curr_dynamic_range_ == kSdrType)) {
// fallback to hdr mode.
mode_string = color_mode_map_[current_color_mode_][current_render_intent_][kHdrType];
DLOGI("fall back to hdr mode for ColorMode::BT2100_PQ kSdrType");
}
}
auto error = SetPreferredColorModeInternal(mode_string, false, NULL, NULL);
if (error == HWC2::Error::None) {
// The mode does not have the PCC configured, restore the transform
RestoreColorTransform();
DLOGV_IF(kTagClient, "Successfully applied mode = %d intent = %d range = %d name = %s",
current_color_mode_, current_render_intent_, curr_dynamic_range_, mode_string.c_str());
}
return error;
}
HWC2::Error HWCColorMode::SetColorModeById(int32_t color_mode_id) {
DLOGI("Applying mode: %d", color_mode_id);
DisplayError error = display_intf_->SetColorModeById(color_mode_id);
if (error != kErrorNone) {
DLOGI_IF(kTagClient, "Failed to apply mode: %d", color_mode_id);
return HWC2::Error::BadParameter;
}
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::SetPreferredColorModeInternal(const std::string &mode_string,
bool from_client, ColorMode *color_mode, DynamicRangeType *dynamic_range) {
DisplayError error = kErrorNone;
ColorMode mode = ColorMode::NATIVE;
DynamicRangeType range = kSdrType;
if (from_client) {
// get blend space and dynamic range of the mode
AttrVal attr;
std::string color_gamut_string, dynamic_range_string;
error = display_intf_->GetColorModeAttr(mode_string, &attr);
if (error) {
DLOGE("Failed to get mode attributes for mode %s", mode_string.c_str());
return HWC2::Error::BadParameter;
}
if (!attr.empty()) {
for (auto &it : attr) {
if (it.first.find(kColorGamutAttribute) != std::string::npos) {
color_gamut_string = it.second;
} else if (it.first.find(kDynamicRangeAttribute) != std::string::npos) {
dynamic_range_string = it.second;
}
}
}
if (color_gamut_string.empty() || dynamic_range_string.empty()) {
DLOGE("Invalid attributes for mode %s: color_gamut = %s, dynamic_range = %s",
mode_string.c_str(), color_gamut_string.c_str(), dynamic_range_string.c_str());
return HWC2::Error::BadParameter;
}
if (color_gamut_string == kDcip3) {
mode = ColorMode::DISPLAY_P3;
} else if (color_gamut_string == kSrgb) {
mode = ColorMode::SRGB;
}
if (dynamic_range_string == kHdr) {
range = kHdrType;
}
if (color_mode) {
*color_mode = mode;
}
if (dynamic_range) {
*dynamic_range = range;
}
}
// apply the mode from client if it matches
// the current blend space and dynamic range,
// skip the check for the mode from SF.
if ((!from_client) || (current_color_mode_ == mode && curr_dynamic_range_ == range)) {
DLOGI("Applying mode: %s", mode_string.c_str());
error = display_intf_->SetColorMode(mode_string);
if (error != kErrorNone) {
DLOGE("Failed to apply mode: %s", mode_string.c_str());
return HWC2::Error::BadParameter;
}
}
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::SetColorModeFromClientApi(std::string mode_string) {
ColorMode mode = ColorMode::NATIVE;
DynamicRangeType range = kSdrType;
auto error = SetPreferredColorModeInternal(mode_string, true, &mode, &range);
if (error == HWC2::Error::None) {
preferred_mode_[mode][range] = mode_string;
DLOGV_IF(kTagClient, "Put mode %s(mode %d, range %d) into preferred_mode",
mode_string.c_str(), mode, range);
}
return error;
}
HWC2::Error HWCColorMode::RestoreColorTransform() {
DisplayError error = display_intf_->SetColorTransform(kColorTransformMatrixCount, color_matrix_);
if (error != kErrorNone) {
DLOGE("Failed to set Color Transform");
return HWC2::Error::BadParameter;
}
return HWC2::Error::None;
}
HWC2::Error HWCColorMode::SetColorTransform(const float *matrix,
android_color_transform_t /*hint*/) {
DTRACE_SCOPED();
auto status = HWC2::Error::None;
double color_matrix[kColorTransformMatrixCount] = {0};
CopyColorTransformMatrix(matrix, color_matrix);
DisplayError error = display_intf_->SetColorTransform(kColorTransformMatrixCount, color_matrix);
if (error != kErrorNone) {
DLOGE("Failed to set Color Transform Matrix");
status = HWC2::Error::Unsupported;
}
CopyColorTransformMatrix(matrix, color_matrix_);
return status;
}
void HWCColorMode::PopulateColorModes() {
uint32_t color_mode_count = 0;
// SDM returns modes which have attributes defining mode and rendering intent
DisplayError error = display_intf_->GetColorModeCount(&color_mode_count);
if (error != kErrorNone || (color_mode_count == 0)) {
DLOGW("GetColorModeCount failed, use native color mode");
color_mode_map_[ColorMode::NATIVE][RenderIntent::COLORIMETRIC]
[kSdrType] = "hal_native_identity";
return;
}
DLOGV_IF(kTagClient, "Color Modes supported count = %d", color_mode_count);
std::vector<std::string> color_modes(color_mode_count);
error = display_intf_->GetColorModes(&color_mode_count, &color_modes);
for (uint32_t i = 0; i < color_mode_count; i++) {
std::string &mode_string = color_modes.at(i);
DLOGV_IF(kTagClient, "Color Mode[%d] = %s", i, mode_string.c_str());
AttrVal attr;
error = display_intf_->GetColorModeAttr(mode_string, &attr);
std::string color_gamut = kNative, dynamic_range = kSdr, pic_quality = kStandard, transfer;
int int_render_intent = -1;
if (!attr.empty()) {
for (auto &it : attr) {
if (it.first.find(kColorGamutAttribute) != std::string::npos) {
color_gamut = it.second;
} else if (it.first.find(kDynamicRangeAttribute) != std::string::npos) {
dynamic_range = it.second;
} else if (it.first.find(kPictureQualityAttribute) != std::string::npos) {
pic_quality = it.second;
} else if (it.first.find(kGammaTransferAttribute) != std::string::npos) {
transfer = it.second;
} else if (it.first.find(kRenderIntentAttribute) != std::string::npos) {
int_render_intent = std::stoi(it.second);
}
}
if (int_render_intent < 0 || int_render_intent > MAX_EXTENDED_RENDER_INTENT) {
DLOGW("Invalid render intent %d for mode %s", int_render_intent, mode_string.c_str());
continue;
}
DLOGV_IF(kTagClient, "color_gamut : %s, dynamic_range : %s, pic_quality : %s, "
"render_intent : %d", color_gamut.c_str(), dynamic_range.c_str(),
pic_quality.c_str(), int_render_intent);
auto render_intent = static_cast<RenderIntent>(int_render_intent);
if (color_gamut == kNative) {
color_mode_map_[ColorMode::NATIVE][render_intent][kSdrType] = mode_string;
}
if (color_gamut == kSrgb && dynamic_range == kSdr) {
color_mode_map_[ColorMode::SRGB][render_intent][kSdrType] = mode_string;
}
if (color_gamut == kDcip3 && dynamic_range == kSdr) {
color_mode_map_[ColorMode::DISPLAY_P3][render_intent][kSdrType] = mode_string;
}
if (color_gamut == kDcip3 && dynamic_range == kHdr) {
if (display_intf_->IsSupportSsppTonemap()) {
color_mode_map_[ColorMode::DISPLAY_P3][render_intent][kHdrType] = mode_string;
} else if (pic_quality == kStandard) {
color_mode_map_[ColorMode::BT2100_PQ][render_intent]
[kHdrType] = mode_string;
color_mode_map_[ColorMode::BT2100_HLG][render_intent]
[kHdrType] = mode_string;
}
} else if (color_gamut == kBt2020) {
if (transfer == kSt2084) {
color_mode_map_[ColorMode::BT2100_PQ][RenderIntent::COLORIMETRIC]
[kHdrType] = mode_string;
} else if (transfer == kHlg) {
color_mode_map_[ColorMode::BT2100_HLG][RenderIntent::COLORIMETRIC]
[kHdrType] = mode_string;
} else if (transfer == kSrgb) {
color_mode_map_[ColorMode::DISPLAY_BT2020][RenderIntent::COLORIMETRIC]
[kSdrType] = mode_string;
}
}
} else {
// Look at the mode names, if no attributes are found
if (mode_string.find("hal_native") != std::string::npos) {
color_mode_map_[ColorMode::NATIVE][RenderIntent::COLORIMETRIC]
[kSdrType] = mode_string;
}
}
}
}
void HWCColorMode::Dump(std::ostringstream* os) {
*os << "color modes supported: \n";
for (auto it : color_mode_map_) {
*os << "mode: " << static_cast<int32_t>(it.first) << " RIs { ";
for (auto render_intent_it : color_mode_map_[it.first]) {
*os << static_cast<int32_t>(render_intent_it.first) << " dynamic_range [ ";
for (auto range_it : color_mode_map_[it.first][render_intent_it.first]) {
*os << static_cast<int32_t>(range_it.first) << " ";
}
*os << "] ";
}
*os << "} \n";
}
*os << "current mode: " << static_cast<uint32_t>(current_color_mode_) << std::endl;
*os << "current render_intent: " << static_cast<uint32_t>(current_render_intent_) << std::endl;
if (curr_dynamic_range_ == kHdrType) {
*os << "current dynamic_range: HDR" << std::endl;
} else {
*os << "current dynamic_range: SDR" << std::endl;
}
*os << "current transform: ";
for (uint32_t i = 0; i < kColorTransformMatrixCount; i++) {
if (i % 4 == 0) {
*os << std::endl;
}
*os << std::fixed << std::setprecision(2) << std::setw(6) << std::setfill(' ')
<< color_matrix_[i] << " ";
}
*os << std::endl;
}
HWCDisplay::HWCDisplay(CoreInterface *core_intf, BufferAllocator *buffer_allocator,
HWCCallbacks *callbacks, HWCDisplayEventHandler* event_handler,
qService::QService *qservice, DisplayType type, hwc2_display_t id,
int32_t sdm_id, DisplayClass display_class)
: core_intf_(core_intf),
callbacks_(callbacks),
event_handler_(event_handler),
type_(type),
id_(id),
sdm_id_(sdm_id),
qservice_(qservice),
display_class_(display_class) {
buffer_allocator_ = static_cast<HWCBufferAllocator *>(buffer_allocator);
}
int HWCDisplay::Init() {
DisplayError error = kErrorNone;
HWCDebugHandler::Get()->GetProperty(ENABLE_NULL_DISPLAY_PROP, &null_display_mode_);
HWCDebugHandler::Get()->GetProperty(ENABLE_ASYNC_POWERMODE, &async_power_mode_);
if (null_display_mode_) {
DisplayNull *disp_null = new DisplayNull();
disp_null->Init();
use_metadata_refresh_rate_ = false;
display_intf_ = disp_null;
DLOGI("Enabling null display mode for display type %d", type_);
} else {
error = core_intf_->CreateDisplay(sdm_id_, this, &display_intf_);
if (error != kErrorNone) {
if (kErrorDeviceRemoved == error) {
DLOGW("Display creation cancelled. Display %d-%d removed.", sdm_id_, type_);
return -ENODEV;
} else {
DLOGE("Display create failed. Error = %d display_id = %d event_handler = %p disp_intf = %p",
error, sdm_id_, this, &display_intf_);
return -EINVAL;
}
}
}
validated_ = false;
HWCDebugHandler::Get()->GetProperty(DISABLE_HDR, &disable_hdr_handling_);
if (disable_hdr_handling_) {
DLOGI("HDR Handling disabled");
}
int property_swap_interval = 1;
HWCDebugHandler::Get()->GetProperty(ZERO_SWAP_INTERVAL, &property_swap_interval);
if (property_swap_interval == 0) {
swap_interval_zero_ = true;
}
client_target_ = new HWCLayer(id_, buffer_allocator_);
error = display_intf_->GetNumVariableInfoConfigs(&num_configs_);
if (error != kErrorNone) {
DLOGE("Getting config count failed. Error = %d", error);
return -EINVAL;
}
UpdateConfigs();
tone_mapper_ = new HWCToneMapper(buffer_allocator_);
display_intf_->GetRefreshRateRange(&min_refresh_rate_, &max_refresh_rate_);
current_refresh_rate_ = max_refresh_rate_;
GetUnderScanConfig();
DisplayConfigFixedInfo fixed_info = {};
display_intf_->GetConfig(&fixed_info);
is_cmd_mode_ = fixed_info.is_cmdmode;
partial_update_enabled_ = fixed_info.partial_update || (!fixed_info.is_cmdmode);
client_target_->SetPartialUpdate(partial_update_enabled_);
int disable_fast_path = 0;
HWCDebugHandler::Get()->GetProperty(DISABLE_FAST_PATH, &disable_fast_path);
fast_path_enabled_ = !(disable_fast_path == 1);
game_supported_ = display_intf_->GameEnhanceSupported();
SetCurrentPanelGammaSource(kGammaCalibration);
DLOGI("Display created with id: %" PRIu64 ", game_supported_: %d", id_, game_supported_);
return 0;
}
void HWCDisplay::UpdateConfigs() {
// SF doesnt care about dynamic bit clk support.
// Exposing all configs will result in getting/setting of redundant configs.
// For each config store the corresponding index which client understands.
hwc_config_map_.resize(num_configs_);
for (uint32_t i = 0; i < num_configs_; i++) {
DisplayConfigVariableInfo info = {};
GetDisplayAttributesForConfig(INT(i), &info);
bool config_exists = false;
for (auto &config : variable_config_map_) {
if (config.second == info) {
config_exists = true;
hwc_config_map_.at(i) = config.first;
break;
}
}
if (!config_exists) {
variable_config_map_[i] = info;
hwc_config_map_.at(i) = i;
}
}
if (num_configs_ != 0) {
hwc2_config_t active_config = hwc_config_map_.at(0);
GetActiveConfig(&active_config);
SetActiveConfigIndex(active_config);
}
// Update num config count.
num_configs_ = UINT32(variable_config_map_.size());
DLOGI("num_configs = %d", num_configs_);
}
int HWCDisplay::Deinit() {
if (null_display_mode_) {
delete static_cast<DisplayNull *>(display_intf_);
display_intf_ = nullptr;
} else {
DisplayError error = core_intf_->DestroyDisplay(display_intf_);
if (error != kErrorNone) {
DLOGE("Display destroy failed. Error = %d", error);
return -EINVAL;
}
}
delete client_target_;
for (auto hwc_layer : layer_set_) {
delete hwc_layer;
}
if (color_mode_) {
color_mode_->DeInit();
delete color_mode_;
}
if (tone_mapper_) {
delete tone_mapper_;
tone_mapper_ = nullptr;
}
return 0;
}
// LayerStack operations
HWC2::Error HWCDisplay::CreateLayer(hwc2_layer_t *out_layer_id) {
HWCLayer *layer = *layer_set_.emplace(new HWCLayer(id_, buffer_allocator_));
layer_map_.emplace(std::make_pair(layer->GetId(), layer));
*out_layer_id = layer->GetId();
geometry_changes_ |= GeometryChanges::kAdded;
validated_ = false;
layer_stack_invalid_ = true;
layer->SetPartialUpdate(partial_update_enabled_);
return HWC2::Error::None;
}
HWCLayer *HWCDisplay::GetHWCLayer(hwc2_layer_t layer_id) {
const auto map_layer = layer_map_.find(layer_id);
if (map_layer == layer_map_.end()) {
DLOGW("[%" PRIu64 "] GetLayer(%" PRIu64 ") failed: no such layer", id_, layer_id);
return nullptr;
} else {
return map_layer->second;
}
}
HWC2::Error HWCDisplay::DestroyLayer(hwc2_layer_t layer_id) {
const auto map_layer = layer_map_.find(layer_id);
if (map_layer == layer_map_.end()) {
DLOGW("[%" PRIu64 "] destroyLayer(%" PRIu64 ") failed: no such layer", id_, layer_id);
return HWC2::Error::BadLayer;
}
const auto layer = map_layer->second;
layer_map_.erase(map_layer);
const auto z_range = layer_set_.equal_range(layer);
for (auto current = z_range.first; current != z_range.second; ++current) {
if (*current == layer) {
current = layer_set_.erase(current);
delete layer;
break;
}
}
geometry_changes_ |= GeometryChanges::kRemoved;
validated_ = false;
layer_stack_invalid_ = true;
return HWC2::Error::None;
}
void HWCDisplay::BuildLayerStack() {
layer_stack_ = LayerStack();
display_rect_ = LayerRect();
metadata_refresh_rate_ = 0;
layer_stack_.flags.animating = animating_;
layer_stack_.flags.fast_path = fast_path_enabled_ && fast_path_composition_;
hdr_largest_layer_px_ = 0.0f;
DTRACE_SCOPED();
// Add one layer for fb target
for (auto hwc_layer : layer_set_) {
// Reset layer data which SDM may change
hwc_layer->ResetPerFrameData();
Layer *layer = hwc_layer->GetSDMLayer();
layer->flags = {}; // Reset earlier flags
// Mark all layers to skip, when client target handle is NULL
if (hwc_layer->GetClientRequestedCompositionType() == HWC2::Composition::Client ||
!client_target_->GetSDMLayer()->input_buffer.buffer_id) {
layer->flags.skip = true;
} else if (hwc_layer->GetClientRequestedCompositionType() == HWC2::Composition::SolidColor) {
layer->flags.solid_fill = true;
}
if (!hwc_layer->IsDataSpaceSupported()) {
layer->flags.skip = true;
}
if (hwc_layer->IsColorTransformSet()) {
layer->flags.skip = true;
}
// set default composition as GPU for SDM
layer->composition = kCompositionGPU;
if (swap_interval_zero_) {
layer->input_buffer.acquire_fence = nullptr;
}
bool is_secure = false;
bool is_video = false;
const private_handle_t *handle =
reinterpret_cast<const private_handle_t *>(layer->input_buffer.buffer_id);
if (handle) {
if (handle->buffer_type == BUFFER_TYPE_VIDEO) {
layer_stack_.flags.video_present = true;
is_video = true;
}
// TZ Protected Buffer - L1
// Gralloc Usage Protected Buffer - L3 - which needs to be treated as Secure & avoid fallback
if (handle->flags & private_handle_t::PRIV_FLAGS_PROTECTED_BUFFER ||
handle->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER) {
layer_stack_.flags.secure_present = true;
is_secure = true;
}
// UBWC PI format
if (handle->flags & private_handle_t::PRIV_FLAGS_UBWC_ALIGNED_PI) {
layer->input_buffer.flags.ubwc_pi = true;
}
}
if (layer->input_buffer.flags.secure_display) {
layer_stack_.flags.secure_present = true;
is_secure = true;
}
if (IS_RGB_FORMAT(layer->input_buffer.format) && hwc_layer->IsScalingPresent()) {
layer_stack_.flags.scaling_rgb_layer_present = true;
}
if (hwc_layer->IsSingleBuffered() &&
!(hwc_layer->IsRotationPresent() || hwc_layer->IsScalingPresent())) {
layer->flags.single_buffer = true;
layer_stack_.flags.single_buffered_layer_present = true;
}
bool hdr_layer = layer->input_buffer.color_metadata.colorPrimaries == ColorPrimaries_BT2020 &&
(layer->input_buffer.color_metadata.transfer == Transfer_SMPTE_ST2084 ||
layer->input_buffer.color_metadata.transfer == Transfer_HLG);
if (hdr_layer && !disable_hdr_handling_) {
// Dont honor HDR when its handling is disabled
layer->input_buffer.flags.hdr = true;
layer_stack_.flags.hdr_present = true;
// HDR area
auto hdr_layer_area = (layer->dst_rect.right - layer->dst_rect.left) *
(layer->dst_rect.bottom - layer->dst_rect.top);
hdr_largest_layer_px_ = std::max(hdr_largest_layer_px_, hdr_layer_area);
}
if (game_supported_ && (hwc_layer->GetType() == kLayerGame)) {
layer->flags.is_game = true;
layer->input_buffer.flags.game = true;
}
if (hwc_layer->IsNonIntegralSourceCrop() && !is_secure && !hdr_layer &&
!layer->flags.single_buffer && !layer->flags.solid_fill && !is_video &&
!layer->flags.is_game) {
layer->flags.skip = true;
}
if (!layer->flags.skip &&
(hwc_layer->GetClientRequestedCompositionType() == HWC2::Composition::Cursor)) {
// Currently we support only one HWCursor & only at top most z-order
if ((*layer_set_.rbegin())->GetId() == hwc_layer->GetId()) {
layer->flags.cursor = true;
layer_stack_.flags.cursor_present = true;
}
}
if (layer->flags.skip) {
layer_stack_.flags.skip_present = true;
}
// TODO(user): Move to a getter if this is needed at other places
hwc_rect_t scaled_display_frame = {INT(layer->dst_rect.left), INT(layer->dst_rect.top),
INT(layer->dst_rect.right), INT(layer->dst_rect.bottom)};
if (hwc_layer->GetGeometryChanges() & kDisplayFrame) {
ApplyScanAdjustment(&scaled_display_frame);
}
hwc_layer->SetLayerDisplayFrame(scaled_display_frame);
hwc_layer->ResetPerFrameData();
// SDM requires these details even for solid fill
if (layer->flags.solid_fill) {
LayerBuffer *layer_buffer = &layer->input_buffer;
layer_buffer->width = UINT32(layer->dst_rect.right - layer->dst_rect.left);
layer_buffer->height = UINT32(layer->dst_rect.bottom - layer->dst_rect.top);
layer_buffer->unaligned_width = layer_buffer->width;
layer_buffer->unaligned_height = layer_buffer->height;
layer->src_rect.left = 0;
layer->src_rect.top = 0;
layer->src_rect.right = layer_buffer->width;
layer->src_rect.bottom = layer_buffer->height;
}
if (hwc_layer->HasMetaDataRefreshRate() && layer->frame_rate > metadata_refresh_rate_) {
metadata_refresh_rate_ = SanitizeRefreshRate(layer->frame_rate);
}
display_rect_ = Union(display_rect_, layer->dst_rect);
geometry_changes_ |= hwc_layer->GetGeometryChanges();
layer->flags.updating = true;
if (layer_set_.size() <= kMaxLayerCount) {
layer->flags.updating = IsLayerUpdating(hwc_layer);
}
if (hwc_layer->IsColorTransformSet()) {
layer->flags.color_transform = true;
}
layer_stack_.flags.mask_present |= layer->input_buffer.flags.mask_layer;
if ((hwc_layer->GetDeviceSelectedCompositionType() != HWC2::Composition::Device) ||
(hwc_layer->GetClientRequestedCompositionType() != HWC2::Composition::Device) ||
layer->flags.skip) {
layer->update_mask.set(kClientCompRequest);
}
layer_stack_.layers.push_back(layer);
}
// If layer stack needs Client composition, HWC display gets into InternalValidate state. If
// validation gets reset by any other thread in this state, enforce Geometry change to ensure
// that Client target gets composed by SF.
bool enforce_geometry_change = (validate_state_ == kInternalValidate) && !validated_;
// TODO(user): Set correctly when SDM supports geometry_changes as bitmask
layer_stack_.flags.geometry_changed = UINT32((geometry_changes_ || enforce_geometry_change ||
geometry_changes_on_doze_suspend_) > 0);
layer_stack_.flags.config_changed = !validated_;
// Append client target to the layer stack
Layer *sdm_client_target = client_target_->GetSDMLayer();
sdm_client_target->flags.updating = IsLayerUpdating(client_target_);
// Derive client target dataspace based on the color mode - bug/115482728
int32_t client_target_dataspace = GetDataspaceFromColorMode(GetCurrentColorMode());
SetClientTargetDataSpace(client_target_dataspace);
layer_stack_.layers.push_back(sdm_client_target);
// fall back frame composition to GPU when client target is 10bit
// TODO(user): clarify the behaviour from Client(SF) and SDM Extn -
// when handling 10bit FBT, as it would affect blending
if (Is10BitFormat(sdm_client_target->input_buffer.format)) {
// Must fall back to client composition
MarkLayersForClientComposition();
}
}
void HWCDisplay::BuildSolidFillStack() {
layer_stack_ = LayerStack();
display_rect_ = LayerRect();
layer_stack_.layers.push_back(solid_fill_layer_);
layer_stack_.flags.geometry_changed = 1U;
// Append client target to the layer stack
layer_stack_.layers.push_back(client_target_->GetSDMLayer());
}
HWC2::Error HWCDisplay::SetLayerType(hwc2_layer_t layer_id, IQtiComposerClient::LayerType type) {
const auto map_layer = layer_map_.find(layer_id);
if (map_layer == layer_map_.end()) {
DLOGE("[%" PRIu64 "] SetLayerType failed to find layer", id_);
return HWC2::Error::BadLayer;
}
const auto layer = map_layer->second;
layer->SetLayerType(type);
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetLayerZOrder(hwc2_layer_t layer_id, uint32_t z) {
const auto map_layer = layer_map_.find(layer_id);
if (map_layer == layer_map_.end()) {
DLOGW("[%" PRIu64 "] updateLayerZ failed to find layer", id_);
return HWC2::Error::BadLayer;
}
const auto layer = map_layer->second;
const auto z_range = layer_set_.equal_range(layer);
bool layer_on_display = false;
for (auto current = z_range.first; current != z_range.second; ++current) {
if (*current == layer) {
if ((*current)->GetZ() == z) {
// Don't change anything if the Z hasn't changed
return HWC2::Error::None;
}
current = layer_set_.erase(current);
layer_on_display = true;
break;
}
}
if (!layer_on_display) {
DLOGE("[%" PRIu64 "] updateLayerZ failed to find layer on display", id_);
return HWC2::Error::BadLayer;
}
layer->SetLayerZOrder(z);
layer_set_.emplace(layer);
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetVsyncEnabled(HWC2::Vsync enabled) {
DLOGV("Display ID: %" PRIu64 " enabled: %s", id_, to_string(enabled).c_str());
ATRACE_INT("SetVsyncState ", enabled == HWC2::Vsync::Enable ? 1 : 0);
DisplayError error = kErrorNone;
if (shutdown_pending_ ||
(!callbacks_->VsyncCallbackRegistered() && !callbacks_->Vsync_2_4CallbackRegistered())) {
return HWC2::Error::None;
}
bool state;
if (enabled == HWC2::Vsync::Enable)
state = true;
else if (enabled == HWC2::Vsync::Disable)
state = false;
else
return HWC2::Error::BadParameter;
error = display_intf_->SetVSyncState(state);
if (error != kErrorNone) {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
return HWC2::Error::None;
}
DLOGE("Failed. enabled = %s, error = %d", to_string(enabled).c_str(), error);
return HWC2::Error::BadDisplay;
}
return HWC2::Error::None;
}
void HWCDisplay::PostPowerMode() {
if (release_fence_ == nullptr) {
return;
}
for (auto hwc_layer : layer_set_) {
shared_ptr<Fence> fence = nullptr;
shared_ptr<Fence> merged_fence = nullptr;
hwc_layer->PopBackReleaseFence(&fence);
if (fence) {
merged_fence = Fence::Merge(release_fence_, fence);
} else {
merged_fence = release_fence_;
}
hwc_layer->PushBackReleaseFence(merged_fence);
}
fbt_release_fence_ = release_fence_;
}
HWC2::Error HWCDisplay::SetPowerMode(HWC2::PowerMode mode, bool teardown) {
DLOGV("display = %" PRIu64 ", mode = %s", id_, to_string(mode).c_str());
DisplayState state = kStateOff;
bool flush_on_error = flush_on_error_;
if (shutdown_pending_) {
return HWC2::Error::None;
}
switch (mode) {
case HWC2::PowerMode::Off:
// During power off, all of the buffers are released.
// Do not flush until a buffer is successfully submitted again.
flush_on_error = false;
state = kStateOff;
if (tone_mapper_) {
tone_mapper_->Terminate();
}
break;
case HWC2::PowerMode::On:
RestoreColorTransform();
state = kStateOn;
break;
case HWC2::PowerMode::Doze:
RestoreColorTransform();
state = kStateDoze;
break;
case HWC2::PowerMode::DozeSuspend:
state = kStateDozeSuspend;
break;
default:
return HWC2::Error::BadParameter;
}
shared_ptr<Fence> release_fence = nullptr;
ATRACE_INT("SetPowerMode ", state);
DisplayError error = display_intf_->SetDisplayState(state, teardown, &release_fence);
validated_ = false;
if (error == kErrorNone) {
flush_on_error_ = flush_on_error;
} else {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
return HWC2::Error::None;
}
DLOGE("Set state failed. Error = %d", error);
return HWC2::Error::BadParameter;
}
// Update release fence.
release_fence_ = release_fence;
current_power_mode_ = mode;
// Close the release fences in synchronous power updates
if (!async_power_mode_) {
PostPowerMode();
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetClientTargetSupport(uint32_t width, uint32_t height, int32_t format,
int32_t dataspace) {
ColorMetaData color_metadata = {};
if (dataspace != HAL_DATASPACE_UNKNOWN) {
dataspace = TranslateFromLegacyDataspace(dataspace);
GetColorPrimary(dataspace, &(color_metadata.colorPrimaries));
GetTransfer(dataspace, &(color_metadata.transfer));
GetRange(dataspace, &(color_metadata.range));
}
LayerBufferFormat sdm_format = HWCLayer::GetSDMFormat(format, 0);
if (display_intf_->GetClientTargetSupport(width, height, sdm_format,
color_metadata) != kErrorNone) {
return HWC2::Error::Unsupported;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetColorModes(uint32_t *out_num_modes, ColorMode *out_modes) {
if (out_modes == nullptr) {
*out_num_modes = 1;
} else if (out_modes && *out_num_modes > 0) {
*out_num_modes = 1;
out_modes[0] = ColorMode::NATIVE;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetRenderIntents(ColorMode mode, uint32_t *out_num_intents,
RenderIntent *out_intents) {
if (mode != ColorMode::NATIVE) {
return HWC2::Error::Unsupported;
}
if (out_intents == nullptr) {
*out_num_intents = 1;
} else if (out_intents && *out_num_intents > 0) {
*out_num_intents = 1;
out_intents[0] = RenderIntent::COLORIMETRIC;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayConfigs(uint32_t *out_num_configs, hwc2_config_t *out_configs) {
if (out_num_configs == nullptr) {
return HWC2::Error::BadParameter;
}
if (out_configs == nullptr) {
*out_num_configs = num_configs_;
return HWC2::Error::None;
}
*out_num_configs = std::min(*out_num_configs, num_configs_);
// Expose all unique config ids to cleint.
uint32_t i = 0;
for (auto &info : variable_config_map_) {
if (i == *out_num_configs) {
break;
}
out_configs[i++] = info.first;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayAttribute(hwc2_config_t config, HwcAttribute attribute,
int32_t *out_value) {
if (variable_config_map_.find(config) == variable_config_map_.end()) {
DLOGE("Get variable config failed");
return HWC2::Error::BadConfig;
}
DisplayConfigVariableInfo variable_config = variable_config_map_.at(config);
uint32_t x_pixels = variable_config.x_pixels - UINT32(window_rect_.right + window_rect_.left);
uint32_t y_pixels = variable_config.y_pixels - UINT32(window_rect_.bottom + window_rect_.top);
if (x_pixels <= 0 || y_pixels <= 0) {
DLOGE("window rects are not within the supported range");
return HWC2::Error::BadDisplay;
}
switch (attribute) {
case HwcAttribute::VSYNC_PERIOD:
*out_value = INT32(variable_config.vsync_period_ns);
break;
case HwcAttribute::WIDTH:
*out_value = INT32(x_pixels);
break;
case HwcAttribute::HEIGHT:
*out_value = INT32(y_pixels);
break;
case HwcAttribute::DPI_X:
*out_value = INT32(variable_config.x_dpi * 1000.0f);
break;
case HwcAttribute::DPI_Y:
*out_value = INT32(variable_config.y_dpi * 1000.0f);
break;
case HwcAttribute::CONFIG_GROUP:
*out_value = GetDisplayConfigGroup(variable_config);
break;
default:
DLOGW("Spurious attribute type = %s", composer_V2_4::toString(attribute).c_str());
*out_value = -1;
return HWC2::Error::BadParameter;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayName(uint32_t *out_size, char *out_name) {
// TODO(user): Get panel name and EDID name and populate it here
if (out_size == nullptr) {
return HWC2::Error::BadParameter;
}
std::string name;
switch (type_) {
case kBuiltIn:
name = "Built-in Display";
break;
case kPluggable:
name = "Pluggable Display";
break;
case kVirtual:
name = "Virtual Display";
break;
default:
name = "Unknown";
break;
}
if (out_name == nullptr) {
*out_size = UINT32(name.size()) + 1;
} else {
*out_size = std::min((UINT32(name.size()) + 1), *out_size);
if (*out_size > 0) {
strlcpy(out_name, name.c_str(), *out_size);
out_name[*out_size - 1] = '\0';
} else {
DLOGW("Invalid size requested");
}
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayType(int32_t *out_type) {
if (out_type == nullptr) {
return HWC2::Error::BadParameter;
}
*out_type = HWC2_DISPLAY_TYPE_PHYSICAL;
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetPerFrameMetadataKeys(uint32_t *out_num_keys,
PerFrameMetadataKey *out_keys) {
if (out_num_keys == nullptr) {
return HWC2::Error::BadParameter;
}
DisplayConfigFixedInfo fixed_info = {};
display_intf_->GetConfig(&fixed_info);
uint32_t num_keys = 0;
if (fixed_info.hdr_plus_supported) {
num_keys = UINT32(PerFrameMetadataKey::HDR10_PLUS_SEI) + 1;
} else {
num_keys = UINT32(PerFrameMetadataKey::MAX_FRAME_AVERAGE_LIGHT_LEVEL) + 1;
}
if (out_keys == nullptr) {
*out_num_keys = num_keys;
} else {
uint32_t max_out_key_elements = std::min(*out_num_keys, num_keys);
for (int32_t i = 0; i < max_out_key_elements; i++) {
out_keys[i] = static_cast<PerFrameMetadataKey>(i);
}
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetActiveConfig(hwc2_config_t *out_config) {
if (out_config == nullptr) {
return HWC2::Error::BadDisplay;
}
if (pending_config_) {
*out_config = pending_config_index_;
} else {
GetActiveDisplayConfig(out_config);
}
if (*out_config < hwc_config_map_.size()) {
*out_config = hwc_config_map_.at(*out_config);
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetClientTarget(buffer_handle_t target, shared_ptr<Fence> acquire_fence,
int32_t dataspace, hwc_region_t damage) {
// TODO(user): SurfaceFlinger gives us a null pointer here when doing full SDE composition
// The error is problematic for layer caching as it would overwrite our cached client target.
// Reported bug 28569722 to resolve this.
// For now, continue to use the last valid buffer reported to us for layer caching.
if (target == nullptr) {
return HWC2::Error::None;
}
if (acquire_fence == nullptr) {
DLOGV_IF(kTagClient, "Re-using cached buffer");
}
Layer *sdm_layer = client_target_->GetSDMLayer();
sdm_layer->frame_rate = std::min(current_refresh_rate_, HWCDisplay::GetThrottlingRefreshRate());
client_target_->SetLayerSurfaceDamage(damage);
int translated_dataspace = TranslateFromLegacyDataspace(dataspace);
if (client_target_->GetLayerDataspace() != translated_dataspace) {
DLOGW("New Dataspace = %d not matching Dataspace from color mode = %d",
translated_dataspace, client_target_->GetLayerDataspace());
return HWC2::Error::BadParameter;
}
client_target_->SetLayerBuffer(target, acquire_fence);
client_target_handle_ = target;
client_acquire_fence_ = acquire_fence;
client_dataspace_ = dataspace;
client_damage_region_ = damage;
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetClientTarget(buffer_handle_t target, shared_ptr<Fence> acquire_fence,
int32_t dataspace, hwc_region_t damage) {
target = client_target_handle_;
acquire_fence = client_acquire_fence_;
dataspace = client_dataspace_;
damage = client_damage_region_;
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetActiveConfig(hwc2_config_t config) {
DTRACE_SCOPED();
hwc2_config_t current_config = 0;
GetActiveConfig(&current_config);
if (current_config == config) {
return HWC2::Error::None;
}
// DRM driver expects DRM_PREFERRED_MODE to be set as part of first commit.
if (!IsFirstCommitDone()) {
// Store client's config.
// Set this as part of post commit.
pending_first_commit_config_ = true;
pending_first_commit_config_index_ = config;
DLOGI("Defer config change to %d until first commit", UINT32(config));
return HWC2::Error::None;
} else if (pending_first_commit_config_) {
// Config override request from client.
// Honour latest request.
pending_first_commit_config_ = false;
}
DLOGI("Active configuration changed to: %d", config);
// Cache refresh rate set by client.
DisplayConfigVariableInfo info = {};
GetDisplayAttributesForConfig(INT(config), &info);
active_refresh_rate_ = info.fps;
// Store config index to be applied upon refresh.
pending_config_ = true;
pending_config_index_ = config;
validated_ = false;
// Trigger refresh. This config gets applied on next commit.
callbacks_->Refresh(id_);
return HWC2::Error::None;
}
DisplayError HWCDisplay::SetMixerResolution(uint32_t width, uint32_t height) {
return kErrorNotSupported;
}
HWC2::Error HWCDisplay::SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type,
int32_t format, bool post_processed) {
dump_frame_count_ = count;
dump_frame_index_ = 0;
dump_input_layers_ = ((bit_mask_layer_type & (1 << INPUT_LAYER_DUMP)) != 0);
if (tone_mapper_) {
tone_mapper_->SetFrameDumpConfig(count);
}
DLOGI("num_frame_dump %d, input_layer_dump_enable %d", dump_frame_count_, dump_input_layers_);
validated_ = false;
return HWC2::Error::None;
}
HWC2::PowerMode HWCDisplay::GetCurrentPowerMode() {
return current_power_mode_;
}
DisplayError HWCDisplay::VSync(const DisplayEventVSync &vsync) {
if (callbacks_->Vsync_2_4CallbackRegistered()) {
VsyncPeriodNanos vsync_period;
if (GetDisplayVsyncPeriod(&vsync_period) != HWC2::Error::None) {
vsync_period = 0;
}
ATRACE_INT("VsyncPeriod", INT32(vsync_period));
callbacks_->Vsync_2_4(id_, vsync.timestamp, vsync_period);
} else {
callbacks_->Vsync(id_, vsync.timestamp);
}
return kErrorNone;
}
DisplayError HWCDisplay::Refresh() {
callbacks_->Refresh(id_);
return kErrorNone;
}
DisplayError HWCDisplay::CECMessage(char *message) {
if (qservice_) {
qservice_->onCECMessageReceived(message, 0);
} else {
DLOGW("Qservice instance not available.");
}
return kErrorNone;
}
DisplayError HWCDisplay::HandleEvent(DisplayEvent event) {
switch (event) {
case kIdleTimeout: {
SCOPE_LOCK(HWCSession::locker_[id_]);
if (pending_commit_) {
// If idle timeout event comes in between prepare
// and commit, drop it since device is not really
// idle.
return kErrorNotSupported;
}
validated_ = false;
break;
}
case kSyncInvalidateDisplay:
case kIdlePowerCollapse:
case kThermalEvent: {
SEQUENCE_WAIT_SCOPE_LOCK(HWCSession::locker_[id_]);
validated_ = false;
} break;
case kPanelDeadEvent:
case kDisplayPowerResetEvent: {
// Mutex scope
{
SEQUENCE_WAIT_SCOPE_LOCK(HWCSession::locker_[id_]);
validated_ = false;
}
// TODO(user): Following scenario need to be addressed
// If panel or HW is in bad state for either ESD or HWR, there is no acquired lock between
// this scope and call to DisplayPowerReset.
// Prepare or commit could operate on the display since locker_[id_] is free and most likely
// result in a failure since ESD/HWR has been requested during this time period.
if (event_handler_) {
event_handler_->DisplayPowerReset();
} else {
DLOGW("Cannot execute DisplayPowerReset (client_id = %" PRIu64 "), event_handler_ is null",
id_);
}
} break;
case kInvalidateDisplay:
validated_ = false;
break;
case kPostIdleTimeout:
display_idle_ = true;
break;
default:
DLOGW("Unknown event: %d", event);
break;
}
return kErrorNone;
}
DisplayError HWCDisplay::HistogramEvent(int /* fd */, uint32_t /* blob_fd */) {
return kErrorNone;
}
HWC2::Error HWCDisplay::PrepareLayerStack(uint32_t *out_num_types, uint32_t *out_num_requests) {
layer_changes_.clear();
layer_requests_.clear();
has_client_composition_ = false;
display_idle_ = false;
DTRACE_SCOPED();
if (shutdown_pending_) {
validated_ = false;
return HWC2::Error::BadDisplay;
}
if (CanSkipSdmPrepare(out_num_types, out_num_requests)) {
return ((*out_num_types > 0) ? HWC2::Error::HasChanges : HWC2::Error::None);
}
UpdateRefreshRate();
UpdateActiveConfig();
DisplayError error = display_intf_->Prepare(&layer_stack_);
if (error != kErrorNone) {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
} else if (error == kErrorPermission) {
WaitOnPreviousFence();
MarkLayersForGPUBypass();
geometry_changes_on_doze_suspend_ |= geometry_changes_;
} else {
DLOGW("Prepare failed. Error = %d", error);
// To prevent surfaceflinger infinite wait, flush the previous frame during Commit()
// so that previous buffer and fences are released, and override the error.
flush_ = true;
validated_ = false;
// Prepare cycle can fail on a newly connected display if insufficient pipes
// are available at this moment. Trigger refresh so that the other displays
// can free up pipes and a valid content can be attached to virtual display.
callbacks_->Refresh(id_);
return HWC2::Error::BadDisplay;
}
} else {
// clear geometry_changes_on_doze_suspend_ on successful prepare.
geometry_changes_on_doze_suspend_ = GeometryChanges::kNone;
}
for (auto hwc_layer : layer_set_) {
Layer *layer = hwc_layer->GetSDMLayer();
LayerComposition &composition = layer->composition;
if (composition == kCompositionSDE || composition == kCompositionStitch) {
layer_requests_[hwc_layer->GetId()] = HWC2::LayerRequest::ClearClientTarget;
}
HWC2::Composition requested_composition = hwc_layer->GetClientRequestedCompositionType();
// Set SDM composition to HWC2 type in HWCLayer
hwc_layer->SetComposition(composition);
HWC2::Composition device_composition = hwc_layer->GetDeviceSelectedCompositionType();
if (device_composition == HWC2::Composition::Client) {
has_client_composition_ = true;
}
// Update the changes list only if the requested composition is different from SDM comp type
if (requested_composition != device_composition) {
layer_changes_[hwc_layer->GetId()] = device_composition;
}
hwc_layer->ResetValidation();
}
client_target_->ResetValidation();
*out_num_types = UINT32(layer_changes_.size());
*out_num_requests = UINT32(layer_requests_.size());
validate_state_ = kNormalValidate;
validated_ = true;
layer_stack_invalid_ = false;
return ((*out_num_types > 0) ? HWC2::Error::HasChanges : HWC2::Error::None);
}
HWC2::Error HWCDisplay::AcceptDisplayChanges() {
if (layer_set_.empty()) {
return HWC2::Error::None;
}
if (!validated_) {
return HWC2::Error::NotValidated;
}
for (const auto& change : layer_changes_) {
auto hwc_layer = layer_map_[change.first];
auto composition = change.second;
if (hwc_layer != nullptr) {
hwc_layer->UpdateClientCompositionType(composition);
} else {
DLOGW("Invalid layer: %" PRIu64, change.first);
}
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetChangedCompositionTypes(uint32_t *out_num_elements,
hwc2_layer_t *out_layers, int32_t *out_types) {
if (layer_set_.empty()) {
return HWC2::Error::None;
}
if (!validated_) {
DLOGW("Display is not validated");
return HWC2::Error::NotValidated;
}
*out_num_elements = UINT32(layer_changes_.size());
if (out_layers != nullptr && out_types != nullptr) {
int i = 0;
for (auto change : layer_changes_) {
out_layers[i] = change.first;
out_types[i] = INT32(change.second);
i++;
}
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetReleaseFences(uint32_t *out_num_elements, hwc2_layer_t *out_layers,
std::vector<shared_ptr<Fence>> *out_fences) {
if (out_num_elements == nullptr) {
return HWC2::Error::BadParameter;
}
if (out_layers != nullptr && out_fences != nullptr) {
*out_num_elements = std::min(*out_num_elements, UINT32(layer_set_.size()));
auto it = layer_set_.begin();
for (uint32_t i = 0; i < *out_num_elements; i++, it++) {
auto hwc_layer = *it;
out_layers[i] = hwc_layer->GetId();
shared_ptr<Fence> &fence = (*out_fences)[i];
hwc_layer->PopFrontReleaseFence(&fence);
}
} else {
*out_num_elements = UINT32(layer_set_.size());
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetDisplayRequests(int32_t *out_display_requests,
uint32_t *out_num_elements, hwc2_layer_t *out_layers,
int32_t *out_layer_requests) {
if (layer_set_.empty()) {
return HWC2::Error::None;
}
if (out_display_requests == nullptr || out_num_elements == nullptr) {
return HWC2::Error::BadParameter;
}
// No display requests for now
// Use for sharing blit buffers and
// writing wfd buffer directly to output if there is full GPU composition
// and no color conversion needed
if (!validated_) {
DLOGW("Display is not validated");
return HWC2::Error::NotValidated;
}
*out_display_requests = 0;
if (out_layers != nullptr && out_layer_requests != nullptr) {
*out_num_elements = std::min(*out_num_elements, UINT32(layer_requests_.size()));
auto it = layer_requests_.begin();
for (uint32_t i = 0; i < *out_num_elements; i++, it++) {
out_layers[i] = it->first;
out_layer_requests[i] = INT32(it->second);
}
} else {
*out_num_elements = UINT32(layer_requests_.size());
}
auto client_target_layer = client_target_->GetSDMLayer();
if (client_target_layer->request.flags.flip_buffer) {
*out_display_requests = INT32(HWC2::DisplayRequest::FlipClientTarget);
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetHdrCapabilities(uint32_t *out_num_types, int32_t *out_types,
float *out_max_luminance,
float *out_max_average_luminance,
float *out_min_luminance) {
if (out_num_types == nullptr || out_max_luminance == nullptr ||
out_max_average_luminance == nullptr || out_min_luminance == nullptr) {
return HWC2::Error::BadParameter;
}
DisplayConfigFixedInfo fixed_info = {};
display_intf_->GetConfig(&fixed_info);
if (!fixed_info.hdr_supported) {
*out_num_types = 0;
DLOGI("HDR is not supported");
return HWC2::Error::None;
}
uint32_t num_types = 0;
if (fixed_info.hdr_plus_supported) {
num_types = UINT32(Hdr::HDR10_PLUS) - 1;
} else {
num_types = UINT32(Hdr::HLG) - 1;
}
// We support HDR10, HLG and HDR10_PLUS.
if (out_types == nullptr) {
*out_num_types = num_types;
} else {
uint32_t max_out_types = std::min(*out_num_types, num_types);
int32_t type = static_cast<int32_t>(Hdr::DOLBY_VISION);
for (int32_t i = 0; i < max_out_types; i++) {
while (type == static_cast<int32_t>(Hdr::DOLBY_VISION) /* Skip list */) {
// Skip the type
type++;
}
if (type > (num_types + 1)) {
break;
}
out_types[i] = type++;
}
*out_max_luminance = fixed_info.max_luminance;
*out_max_average_luminance = fixed_info.average_luminance;
*out_min_luminance = fixed_info.min_luminance;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::CommitLayerStack(void) {
if (flush_) {
return HWC2::Error::None;
}
DTRACE_SCOPED();
if (!validated_) {
DLOGV_IF(kTagClient, "Display %" PRIu64 "is not validated", id_);
return HWC2::Error::NotValidated;
}
if (shutdown_pending_ || layer_set_.empty()) {
return HWC2::Error::None;
}
if (skip_commit_) {
DLOGV_IF(kTagClient, "Skipping Refresh on display %" PRIu64 , id_);
return HWC2::Error::None;
}
DumpInputBuffers();
DisplayError error = kErrorUndefined;
int status = 0;
if (tone_mapper_) {
if (NeedsToneMap(layer_stack_)) {
status = tone_mapper_->HandleToneMap(&layer_stack_);
if (status != 0) {
DLOGE("Error handling HDR in ToneMapper");
}
} else {
tone_mapper_->Terminate();
}
}
if (elapse_timestamp_) {
layer_stack_.elapse_timestamp = elapse_timestamp_;
}
error = display_intf_->Commit(&layer_stack_);
if (error == kErrorNone) {
// A commit is successfully submitted, start flushing on failure now onwards.
flush_on_error_ = true;
first_cycle_ = false;
} else {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
return HWC2::Error::Unsupported;
} else if (error == kErrorNotValidated) {
validated_ = false;
return HWC2::Error::NotValidated;
} else if (error != kErrorPermission) {
DLOGE("Commit failed. Error = %d", error);
// To prevent surfaceflinger infinite wait, flush the previous frame during Commit()
// so that previous buffer and fences are released, and override the error.
flush_ = true;
}
}
validate_state_ = kSkipValidate;
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::PostCommitLayerStack(shared_ptr<Fence> *out_retire_fence) {
auto status = HWC2::Error::None;
// Do no call flush on errors, if a successful buffer is never submitted.
if (flush_ && flush_on_error_) {
display_intf_->Flush(&layer_stack_);
validated_ = false;
}
if (tone_mapper_ && tone_mapper_->IsActive()) {
tone_mapper_->PostCommit(&layer_stack_);
}
// TODO(user): No way to set the client target release fence on SF
shared_ptr<Fence> client_target_release_fence =
client_target_->GetSDMLayer()->input_buffer.release_fence;
if (client_target_release_fence) {
fbt_release_fence_ = client_target_release_fence;
}
client_target_->ResetGeometryChanges();
for (auto hwc_layer : layer_set_) {
hwc_layer->ResetGeometryChanges();
Layer *layer = hwc_layer->GetSDMLayer();
LayerBuffer *layer_buffer = &layer->input_buffer;
if (!flush_) {
// If swapinterval property is set to 0 or for single buffer layers, do not update f/w
// release fences and discard fences from driver
if (!swap_interval_zero_ && !layer->flags.single_buffer) {
// It may so happen that layer gets marked to GPU & app layer gets queued
// to MDP for composition. In those scenarios, release fence of buffer should
// have mdp and gpu sync points merged.
hwc_layer->PushBackReleaseFence(layer_buffer->release_fence);
}
} else {
// In case of flush or display paused, we don't return an error to f/w, so it will
// get a release fence out of the hwc_layer's release fence queue
// We should push a -1 to preserve release fence circulation semantics.
hwc_layer->PushBackReleaseFence(nullptr);
}
layer->request.flags = {};
layer_buffer->acquire_fence = nullptr;
}
client_target_->GetSDMLayer()->request.flags = {};
// if swapinterval property is set to 0 then close and reset the list retire fence
if (!swap_interval_zero_) {
*out_retire_fence = layer_stack_.retire_fence;
}
if (dump_frame_count_) {
dump_frame_count_--;
dump_frame_index_++;
}
layer_stack_.flags.geometry_changed = false;
geometry_changes_ = GeometryChanges::kNone;
flush_ = false;
skip_commit_ = false;
// Handle pending config changes.
if (pending_first_commit_config_) {
DLOGI("Changing active config to %d", UINT32(pending_first_commit_config_));
pending_first_commit_config_ = false;
SetActiveConfig(pending_first_commit_config_index_);
}
return status;
}
void HWCDisplay::SetIdleTimeoutMs(uint32_t timeout_ms) {
return;
}
DisplayError HWCDisplay::SetMaxMixerStages(uint32_t max_mixer_stages) {
DisplayError error = kErrorNone;
if (display_intf_) {
error = display_intf_->SetMaxMixerStages(max_mixer_stages);
validated_ = false;
}
return error;
}
void HWCDisplay::DumpInputBuffers() {
char dir_path[PATH_MAX];
int status;
if (!dump_frame_count_ || flush_ || !dump_input_layers_) {
return;
}
DLOGI("dump_frame_count %d dump_input_layers %d", dump_frame_count_, dump_input_layers_);
snprintf(dir_path, sizeof(dir_path), "%s/frame_dump_disp_id_%02u_%s", HWCDebugHandler::DumpDir(),
UINT32(id_), GetDisplayString());
status = mkdir(dir_path, 777);
if ((status != 0) && errno != EEXIST) {
DLOGW("Failed to create %s directory errno = %d, desc = %s", dir_path, errno, strerror(errno));
return;
}
// Even if directory exists already, need to explicitly change the permission.
if (chmod(dir_path, 0777) != 0) {
DLOGW("Failed to change permissions on %s directory", dir_path);
return;
}
for (uint32_t i = 0; i < layer_stack_.layers.size(); i++) {
auto layer = layer_stack_.layers.at(i);
const private_handle_t *pvt_handle =
reinterpret_cast<const private_handle_t *>(layer->input_buffer.buffer_id);
Fence::Wait(layer->input_buffer.acquire_fence);
DLOGI("Dump layer[%d] of %d pvt_handle %p pvt_handle->base %" PRIx64, i,
UINT32(layer_stack_.layers.size()), pvt_handle, pvt_handle? pvt_handle->base : 0);
if (!pvt_handle) {
DLOGE("Buffer handle is null");
continue;
}
if (!pvt_handle->base) {
DisplayError error = buffer_allocator_->MapBuffer(pvt_handle, nullptr);
if (error != kErrorNone) {
DLOGE("Failed to map buffer, error = %d", error);
continue;
}
}
char dump_file_name[PATH_MAX];
size_t result = 0;
snprintf(dump_file_name, sizeof(dump_file_name), "%s/input_layer%d_%dx%d_%s_frame%d.raw",
dir_path, i, pvt_handle->width, pvt_handle->height,
qdutils::GetHALPixelFormatString(pvt_handle->format), dump_frame_index_);
FILE *fp = fopen(dump_file_name, "w+");
if (fp) {
result = fwrite(reinterpret_cast<void *>(pvt_handle->base), pvt_handle->size, 1, fp);
fclose(fp);
}
int release_fence = -1;
DisplayError error = buffer_allocator_->UnmapBuffer(pvt_handle, &release_fence);
if (error != kErrorNone) {
DLOGE("Failed to unmap buffer, error = %d", error);
continue;
}
DLOGI("Frame Dump %s: is %s", dump_file_name, result ? "Successful" : "Failed");
}
}
void HWCDisplay::DumpOutputBuffer(const BufferInfo &buffer_info, void *base,
shared_ptr<Fence> &retire_fence) {
char dir_path[PATH_MAX];
int status;
snprintf(dir_path, sizeof(dir_path), "%s/frame_dump_disp_id_%02u_%s", HWCDebugHandler::DumpDir(),
UINT32(id_), GetDisplayString());
status = mkdir(dir_path, 777);
if ((status != 0) && errno != EEXIST) {
DLOGW("Failed to create %s directory errno = %d, desc = %s", dir_path, errno, strerror(errno));
return;
}
// Even if directory exists already, need to explicitly change the permission.
if (chmod(dir_path, 0777) != 0) {
DLOGW("Failed to change permissions on %s directory", dir_path);
return;
}
if (base) {
char dump_file_name[PATH_MAX];
size_t result = 0;
if (Fence::Wait(retire_fence) != kErrorNone) {
DLOGW("sync_wait error errno = %d, desc = %s", errno, strerror(errno));
return;
}
snprintf(dump_file_name, sizeof(dump_file_name), "%s/output_layer_%dx%d_%s_frame%d.raw",
dir_path, buffer_info.alloc_buffer_info.aligned_width,
buffer_info.alloc_buffer_info.aligned_height,
GetFormatString(buffer_info.buffer_config.format), dump_frame_index_);
FILE *fp = fopen(dump_file_name, "w+");
if (fp) {
result = fwrite(base, buffer_info.alloc_buffer_info.size, 1, fp);
fclose(fp);
}
DLOGI("Frame Dump of %s is %s", dump_file_name, result ? "Successful" : "Failed");
}
}
const char *HWCDisplay::GetDisplayString() {
switch (type_) {
case kBuiltIn:
return "builtin";
case kPluggable:
return "pluggable";
case kVirtual:
return "virtual";
default:
return "invalid";
}
}
int HWCDisplay::SetFrameBufferConfig(uint32_t x_pixels, uint32_t y_pixels) {
if (x_pixels <= 0 || y_pixels <= 0) {
DLOGW("Unsupported config: x_pixels=%d, y_pixels=%d", x_pixels, y_pixels);
return -EINVAL;
}
DisplayConfigVariableInfo fb_config;
DisplayError error = display_intf_->GetFrameBufferConfig(&fb_config);
if (error != kErrorNone) {
DLOGV("Get frame buffer config failed. Error = %d", error);
return -EINVAL;
}
fb_config.x_pixels = x_pixels;
fb_config.y_pixels = y_pixels;
error = display_intf_->SetFrameBufferConfig(fb_config);
if (error != kErrorNone) {
DLOGV("Set frame buffer config failed. Error = %d", error);
return -EINVAL;
}
// Reduce the src_rect and dst_rect as per FBT config.
// SF sending reduced FBT but here the src_rect is equal to mixer which is
// higher than allocated buffer of FBT.
if (windowed_display_) {
x_pixels -= UINT32(window_rect_.right + window_rect_.left);
y_pixels -= UINT32(window_rect_.bottom + window_rect_.top);
}
if (x_pixels <= 0 || y_pixels <= 0) {
DLOGE("window rects are not within the supported range");
return -EINVAL;
}
// Create rects to represent the new source and destination crops
LayerRect crop = LayerRect(0, 0, FLOAT(x_pixels), FLOAT(y_pixels));
hwc_rect_t scaled_display_frame = {0, 0, INT(x_pixels), INT(y_pixels)};
auto client_target_layer = client_target_->GetSDMLayer();
client_target_layer->src_rect = crop;
ApplyScanAdjustment(&scaled_display_frame);
client_target_->SetLayerDisplayFrame(scaled_display_frame);
client_target_->ResetPerFrameData();
DLOGI("New framebuffer resolution (%dx%d)", fb_config.x_pixels, fb_config.y_pixels);
return 0;
}
int HWCDisplay::SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels) {
int error = SetFrameBufferConfig(x_pixels, y_pixels);
if (error < 0) {
DLOGV("SetFrameBufferConfig failed. Error = %d", error);
return error;
}
if (windowed_display_) {
x_pixels -= UINT32(window_rect_.right + window_rect_.left);
y_pixels -= UINT32(window_rect_.bottom + window_rect_.top);
}
auto client_target_layer = client_target_->GetSDMLayer();
int aligned_width;
int aligned_height;
uint32_t usage = GRALLOC_USAGE_HW_FB;
int format = HAL_PIXEL_FORMAT_RGBA_8888;
int ubwc_disabled = 0;
int flags = 0;
// By default UBWC is enabled and below property is global enable/disable for all
// buffers allocated through gralloc , including framebuffer targets.
HWCDebugHandler::Get()->GetProperty(DISABLE_UBWC_PROP, &ubwc_disabled);
if (!ubwc_disabled) {
usage |= GRALLOC_USAGE_PRIVATE_ALLOC_UBWC;
flags |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED;
}
buffer_allocator_->GetAlignedWidthAndHeight(INT(x_pixels), INT(y_pixels), format, usage,
&aligned_width, &aligned_height);
// TODO(user): How does the dirty region get set on the client target? File bug on Google
client_target_layer->composition = kCompositionGPUTarget;
client_target_layer->input_buffer.format = HWCLayer::GetSDMFormat(format, flags);
client_target_layer->input_buffer.width = UINT32(aligned_width);
client_target_layer->input_buffer.height = UINT32(aligned_height);
client_target_layer->input_buffer.unaligned_width = x_pixels;
client_target_layer->input_buffer.unaligned_height = y_pixels;
client_target_layer->plane_alpha = 255;
return 0;
}
void HWCDisplay::GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
DisplayConfigVariableInfo fb_config;
display_intf_->GetFrameBufferConfig(&fb_config);
*x_pixels = fb_config.x_pixels;
*y_pixels = fb_config.y_pixels;
}
DisplayError HWCDisplay::GetMixerResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
return display_intf_->GetMixerResolution(x_pixels, y_pixels);
}
void HWCDisplay::GetPanelResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
DisplayConfigVariableInfo display_config;
uint32_t active_index = 0;
display_intf_->GetActiveConfig(&active_index);
display_intf_->GetConfig(active_index, &display_config);
*x_pixels = display_config.x_pixels;
*y_pixels = display_config.y_pixels;
}
int HWCDisplay::SetDisplayStatus(DisplayStatus display_status) {
int status = 0;
switch (display_status) {
case kDisplayStatusResume:
display_paused_ = false;
status = INT32(SetPowerMode(HWC2::PowerMode::On, false /* teardown */));
break;
case kDisplayStatusOnline:
status = INT32(SetPowerMode(HWC2::PowerMode::On, false /* teardown */));
break;
case kDisplayStatusPause:
display_paused_ = true;
status = INT32(SetPowerMode(HWC2::PowerMode::Off, false /* teardown */));
break;
case kDisplayStatusOffline:
status = INT32(SetPowerMode(HWC2::PowerMode::Off, false /* teardown */));
break;
default:
DLOGW("Invalid display status %d", display_status);
return -EINVAL;
}
return status;
}
HWC2::Error HWCDisplay::SetCursorPosition(hwc2_layer_t layer, int x, int y) {
if (shutdown_pending_) {
return HWC2::Error::None;
}
if (!layer_stack_.flags.cursor_present) {
DLOGW("Cursor layer not present");
return HWC2::Error::BadLayer;
}
HWCLayer *hwc_layer = GetHWCLayer(layer);
if (hwc_layer == nullptr) {
return HWC2::Error::BadLayer;
}
if (hwc_layer->GetDeviceSelectedCompositionType() != HWC2::Composition::Cursor) {
return HWC2::Error::None;
}
if ((validate_state_ != kSkipValidate) && validated_) {
// the device is currently in the middle of the validate/present sequence,
// cannot set the Position(as per HWC2 spec)
return HWC2::Error::NotValidated;
}
DisplayState state;
if (display_intf_->GetDisplayState(&state) == kErrorNone) {
if (state != kStateOn) {
return HWC2::Error::None;
}
}
// TODO(user): HWC1.5 was not letting SetCursorPosition before validateDisplay,
// but HWC2.0 doesn't let setting cursor position after validate before present.
// Need to revisit.
auto error = display_intf_->SetCursorPosition(x, y);
if (error != kErrorNone) {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
return HWC2::Error::None;
}
DLOGE("Failed for x = %d y = %d, Error = %d", x, y, error);
return HWC2::Error::BadDisplay;
}
return HWC2::Error::None;
}
int HWCDisplay::OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level) {
DisplayError error = display_intf_->OnMinHdcpEncryptionLevelChange(min_enc_level);
if (error != kErrorNone) {
DLOGE("Failed. Error = %d", error);
return -1;
}
validated_ = false;
return 0;
}
void HWCDisplay::MarkLayersForGPUBypass() {
for (auto hwc_layer : layer_set_) {
auto layer = hwc_layer->GetSDMLayer();
layer->composition = kCompositionSDE;
}
validated_ = true;
}
void HWCDisplay::MarkLayersForClientComposition() {
// ClientComposition - GPU comp, to acheive this, set skip flag so that
// SDM does not handle this layer and hwc_layer composition will be
// set correctly at the end of Prepare.
DLOGV_IF(kTagClient, "HWC Layers marked for GPU comp");
for (auto hwc_layer : layer_set_) {
Layer *layer = hwc_layer->GetSDMLayer();
layer->flags.skip = true;
}
layer_stack_.flags.skip_present = true;
}
void HWCDisplay::ApplyScanAdjustment(hwc_rect_t *display_frame) {
}
int HWCDisplay::ToggleScreenUpdates(bool enable) {
display_paused_ = enable ? false : true;
callbacks_->Refresh(id_);
validated_ = false;
return 0;
}
int HWCDisplay::ColorSVCRequestRoute(const PPDisplayAPIPayload &in_payload,
PPDisplayAPIPayload *out_payload,
PPPendingParams *pending_action) {
int ret = 0;
if (display_intf_)
ret = display_intf_->ColorSVCRequestRoute(in_payload, out_payload, pending_action);
else
ret = -EINVAL;
return ret;
}
void HWCDisplay::SolidFillPrepare() {
if (solid_fill_enable_) {
if (solid_fill_layer_ == NULL) {
// Create a dummy layer here
solid_fill_layer_ = new Layer();
}
uint32_t primary_width = 0, primary_height = 0;
GetMixerResolution(&primary_width, &primary_height);
LayerBuffer *layer_buffer = &solid_fill_layer_->input_buffer;
layer_buffer->width = primary_width;
layer_buffer->height = primary_height;
layer_buffer->unaligned_width = primary_width;
layer_buffer->unaligned_height = primary_height;
solid_fill_layer_->composition = kCompositionGPU;
solid_fill_layer_->src_rect = solid_fill_rect_;
solid_fill_layer_->dst_rect = solid_fill_rect_;
solid_fill_layer_->blending = kBlendingPremultiplied;
solid_fill_layer_->solid_fill_color = 0;
solid_fill_layer_->solid_fill_info.bit_depth = solid_fill_color_.bit_depth;
solid_fill_layer_->solid_fill_info.red = solid_fill_color_.red;
solid_fill_layer_->solid_fill_info.blue = solid_fill_color_.blue;
solid_fill_layer_->solid_fill_info.green = solid_fill_color_.green;
solid_fill_layer_->solid_fill_info.alpha = solid_fill_color_.alpha;
solid_fill_layer_->frame_rate = 60;
solid_fill_layer_->visible_regions.push_back(solid_fill_layer_->dst_rect);
solid_fill_layer_->flags.updating = 1;
solid_fill_layer_->flags.solid_fill = true;
} else {
// delete the dummy layer
delete solid_fill_layer_;
solid_fill_layer_ = NULL;
}
if (solid_fill_enable_ && solid_fill_layer_) {
BuildSolidFillStack();
MarkLayersForGPUBypass();
}
return;
}
int HWCDisplay::GetVisibleDisplayRect(hwc_rect_t *visible_rect) {
if (!IsValid(display_rect_)) {
return -EINVAL;
}
visible_rect->left = INT(display_rect_.left);
visible_rect->top = INT(display_rect_.top);
visible_rect->right = INT(display_rect_.right);
visible_rect->bottom = INT(display_rect_.bottom);
DLOGI("Visible Display Rect(%d %d %d %d)", visible_rect->left, visible_rect->top,
visible_rect->right, visible_rect->bottom);
return 0;
}
int HWCDisplay::HandleSecureSession(const std::bitset<kSecureMax> &secure_sessions,
bool *power_on_pending, bool is_active_secure_display) {
if (!power_on_pending) {
return -EINVAL;
}
if (active_secure_sessions_[kSecureDisplay] != secure_sessions[kSecureDisplay]) {
if (secure_sessions[kSecureDisplay]) {
pending_power_mode_ = current_power_mode_;
HWC2::Error error = SetPowerMode(HWC2::PowerMode::Off, true /* teardown */);
if (error != HWC2::Error::None) {
DLOGE("SetPowerMode failed. Error = %d", error);
}
} else {
*power_on_pending = (pending_power_mode_ != HWC2::PowerMode::Off) ? true : false;
}
DLOGI("SecureDisplay state changed from %d to %d for display %" PRId64 " %d-%d",
active_secure_sessions_.test(kSecureDisplay), secure_sessions.test(kSecureDisplay),
id_, sdm_id_, type_);
}
active_secure_sessions_ = secure_sessions;
return 0;
}
int HWCDisplay::GetActiveSecureSession(std::bitset<kSecureMax> *secure_sessions) {
if (!secure_sessions) {
return -1;
}
secure_sessions->reset();
for (auto hwc_layer : layer_set_) {
Layer *layer = hwc_layer->GetSDMLayer();
if (layer->input_buffer.flags.secure_camera) {
secure_sessions->set(kSecureCamera);
}
if (layer->input_buffer.flags.secure_display) {
secure_sessions->set(kSecureDisplay);
}
}
return 0;
}
int HWCDisplay::SetActiveDisplayConfig(uint32_t config) {
uint32_t current_config = 0;
display_intf_->GetActiveConfig(&current_config);
if (config == current_config) {
return 0;
}
validated_ = false;
DisplayError error = display_intf_->SetActiveConfig(config);
if (error != kErrorNone) {
DLOGE("Failed to set %d config! Error: %d", config, error);
return -EINVAL;
}
SetActiveConfigIndex(config);
return 0;
}
int HWCDisplay::GetActiveDisplayConfig(uint32_t *config) {
return display_intf_->GetActiveConfig(config) == kErrorNone ? 0 : -1;
}
int HWCDisplay::GetDisplayConfigCount(uint32_t *count) {
return display_intf_->GetNumVariableInfoConfigs(count) == kErrorNone ? 0 : -1;
}
int HWCDisplay::GetDisplayAttributesForConfig(int config,
DisplayConfigVariableInfo *display_attributes) {
return display_intf_->GetConfig(UINT32(config), display_attributes) == kErrorNone ? 0 : -1;
}
uint32_t HWCDisplay::GetUpdatingLayersCount(void) {
uint32_t updating_count = 0;
for (uint i = 0; i < layer_stack_.layers.size(); i++) {
auto layer = layer_stack_.layers.at(i);
if (layer->flags.updating) {
updating_count++;
}
}
return updating_count;
}
bool HWCDisplay::IsLayerUpdating(HWCLayer *hwc_layer) {
auto layer = hwc_layer->GetSDMLayer();
// Layer should be considered updating if
// a) layer is in single buffer mode, or
// b) valid dirty_regions(android specific hint for updating status), or
// c) layer stack geometry has changed (TODO(user): Remove when SDM accepts
// geometry_changed as bit fields).
return (layer->flags.single_buffer || hwc_layer->IsSurfaceUpdated() ||
geometry_changes_);
}
uint32_t HWCDisplay::SanitizeRefreshRate(uint32_t req_refresh_rate) {
uint32_t refresh_rate = req_refresh_rate;
if (refresh_rate < min_refresh_rate_) {
// Pick the next multiple of request which is within the range
refresh_rate =
(((min_refresh_rate_ / refresh_rate) + ((min_refresh_rate_ % refresh_rate) ? 1 : 0)) *
refresh_rate);
}
if (refresh_rate > max_refresh_rate_) {
refresh_rate = max_refresh_rate_;
}
return refresh_rate;
}
DisplayClass HWCDisplay::GetDisplayClass() {
return display_class_;
}
void HWCDisplay::Dump(std::ostringstream *os) {
*os << "\n------------HWC----------------\n";
*os << "HWC2 display_id: " << id_ << std::endl;
for (auto layer : layer_set_) {
auto sdm_layer = layer->GetSDMLayer();
auto transform = sdm_layer->transform;
*os << "layer: " << std::setw(4) << layer->GetId();
*os << " z: " << layer->GetZ();
*os << " composition: " <<
to_string(layer->GetClientRequestedCompositionType()).c_str();
*os << "/" <<
to_string(layer->GetDeviceSelectedCompositionType()).c_str();
*os << " alpha: " << std::to_string(sdm_layer->plane_alpha).c_str();
*os << " format: " << std::setw(22) << GetFormatString(sdm_layer->input_buffer.format);
*os << " dataspace:" << std::hex << "0x" << std::setw(8) << std::setfill('0')
<< layer->GetLayerDataspace() << std::dec << std::setfill(' ');
*os << " transform: " << transform.rotation << "/" << transform.flip_horizontal <<
"/"<< transform.flip_vertical;
*os << " buffer_id: " << std::hex << "0x" << sdm_layer->input_buffer.buffer_id << std::dec;
*os << " secure: " << layer->IsProtected()
<< std::endl;
}
if (has_client_composition_) {
*os << "\n---------client target---------\n";
auto sdm_layer = client_target_->GetSDMLayer();
*os << "format: " << std::setw(14) << GetFormatString(sdm_layer->input_buffer.format);
*os << " dataspace:" << std::hex << "0x" << std::setw(8) << std::setfill('0')
<< client_target_->GetLayerDataspace() << std::dec << std::setfill(' ');
*os << " buffer_id: " << std::hex << "0x" << sdm_layer->input_buffer.buffer_id << std::dec;
*os << " secure: " << client_target_->IsProtected()
<< std::endl;
}
*os << "\npanel gamma source: " << GetCurrentPanelGammaSource() << std::endl;
if (layer_stack_invalid_) {
*os << "\n Layers added or removed but not reflected to SDM's layer stack yet\n";
return;
}
if (color_mode_) {
*os << "\n----------Color Modes---------\n";
color_mode_->Dump(os);
}
if (display_intf_) {
*os << "\n------------SDM----------------\n";
*os << display_intf_->Dump();
}
*os << "\n";
}
bool HWCDisplay::CanSkipValidate() {
if (!validated_ || solid_fill_enable_) {
return false;
}
if ((tone_mapper_ && tone_mapper_->IsActive()) ||
layer_stack_.flags.single_buffered_layer_present) {
DLOGV_IF(kTagClient, "Tonemapping enabled or single buffer layer present = %d"
" Returning false.", layer_stack_.flags.single_buffered_layer_present);
return false;
}
if (client_target_->NeedsValidation()) {
DLOGV_IF(kTagClient, "Framebuffer target needs validation. Returning false.");
return false;
}
for (auto hwc_layer : layer_set_) {
Layer *layer = hwc_layer->GetSDMLayer();
if (hwc_layer->NeedsValidation()) {
DLOGV_IF(kTagClient, "hwc_layer[%" PRIu64 "] needs validation. Returning false.",
hwc_layer->GetId());
return false;
}
// Do not allow Skip Validate, if any layer needs GPU Composition.
if (layer->composition == kCompositionGPU || layer->composition == kCompositionNone) {
DLOGV_IF(kTagClient, "hwc_layer[%" PRIu64 "] is %s. Returning false.", hwc_layer->GetId(),
(layer->composition == kCompositionGPU) ? "GPU composed": "Dropped");
return false;
}
}
if (!layer_set_.empty() && !display_intf_->CanSkipValidate()) {
return false;
}
return true;
}
HWC2::Error HWCDisplay::GetValidateDisplayOutput(uint32_t *out_num_types,
uint32_t *out_num_requests) {
*out_num_types = UINT32(layer_changes_.size());
*out_num_requests = UINT32(layer_requests_.size());
return ((*out_num_types > 0) ? HWC2::Error::HasChanges : HWC2::Error::None);
}
HWC2::Error HWCDisplay::GetDisplayIdentificationData(uint8_t *out_port, uint32_t *out_data_size,
uint8_t *out_data) {
DisplayError ret = display_intf_->GetDisplayIdentificationData(out_port, out_data_size, out_data);
if (ret != kErrorNone) {
DLOGE("Failed due to SDM/Driver (err = %d, disp id = %" PRIu64
" %d-%d", ret, id_, sdm_id_, type_);
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetDisplayElapseTime(uint64_t time) {
elapse_timestamp_ = time;
return HWC2::Error::None;
}
bool HWCDisplay::IsDisplayCommandMode() {
return is_cmd_mode_;
}
HWC2::Error HWCDisplay::SetDisplayedContentSamplingEnabledVndService(bool enabled) {
return HWC2::Error::Unsupported;
}
HWC2::Error HWCDisplay::SetDisplayedContentSamplingEnabled(int32_t enabled, uint8_t component_mask,
uint64_t max_frames) {
DLOGV("Request to start/stop histogram thread not supported on this display");
return HWC2::Error::Unsupported;
}
HWC2::Error HWCDisplay::GetDisplayedContentSamplingAttributes(int32_t *format, int32_t *dataspace,
uint8_t *supported_components) {
return HWC2::Error::Unsupported;
}
HWC2::Error HWCDisplay::GetDisplayedContentSample(
uint64_t max_frames, uint64_t timestamp, uint64_t *numFrames,
int32_t samples_size[NUM_HISTOGRAM_COLOR_COMPONENTS],
uint64_t *samples[NUM_HISTOGRAM_COLOR_COMPONENTS]) {
return HWC2::Error::Unsupported;
}
// Skip SDM prepare if all the layers in the current draw cycle are marked as Skip and
// previous draw cycle had GPU Composition, as the resources for GPU Target layer have
// already been validated and configured to the driver.
bool HWCDisplay::CanSkipSdmPrepare(uint32_t *num_types, uint32_t *num_requests) {
if (!validated_ || layer_set_.empty()) {
return false;
}
bool skip_prepare = true;
for (auto hwc_layer : layer_set_) {
if (!hwc_layer->GetSDMLayer()->flags.skip ||
(hwc_layer->GetDeviceSelectedCompositionType() != HWC2::Composition::Client)) {
skip_prepare = false;
layer_changes_.clear();
break;
}
if (hwc_layer->GetClientRequestedCompositionType() != HWC2::Composition::Client) {
layer_changes_[hwc_layer->GetId()] = HWC2::Composition::Client;
}
}
if (skip_prepare) {
*num_types = UINT32(layer_changes_.size());
*num_requests = 0;
layer_stack_invalid_ = false;
has_client_composition_ = true;
client_target_->ResetValidation();
validate_state_ = kNormalValidate;
}
return skip_prepare;
}
void HWCDisplay::UpdateRefreshRate() {
for (auto hwc_layer : layer_set_) {
if (hwc_layer->HasMetaDataRefreshRate()) {
continue;
}
auto layer = hwc_layer->GetSDMLayer();
layer->frame_rate = std::min(current_refresh_rate_, HWCDisplay::GetThrottlingRefreshRate());
}
}
int32_t HWCDisplay::SetClientTargetDataSpace(int32_t dataspace) {
if (client_target_->GetLayerDataspace() != dataspace) {
client_target_->SetLayerDataspace(dataspace);
Layer *sdm_layer = client_target_->GetSDMLayer();
// Data space would be validated at GetClientTargetSupport, so just use here.
sdm::GetSDMColorSpace(client_target_->GetLayerDataspace(),
&sdm_layer->input_buffer.color_metadata);
}
return 0;
}
void HWCDisplay::WaitOnPreviousFence() {
DisplayConfigFixedInfo display_config;
display_intf_->GetConfig(&display_config);
if (!display_config.is_cmdmode) {
return;
}
// Since prepare failed commit would follow the same.
// Wait for previous rel fence.
for (auto hwc_layer : layer_set_) {
shared_ptr<Fence> fence = nullptr;
hwc_layer->PopBackReleaseFence(&fence);
if (Fence::Wait(fence) != kErrorNone) {
DLOGW("sync_wait error errno = %d, desc = %s", errno, strerror(errno));
return;
}
hwc_layer->PushBackReleaseFence(fence);
}
if (Fence::Wait(fbt_release_fence_) != kErrorNone) {
DLOGW("sync_wait error errno = %d, desc = %s", errno, strerror(errno));
return;
}
}
void HWCDisplay::GetLayerStack(HWCLayerStack *stack) {
stack->client_target = client_target_;
stack->layer_map = layer_map_;
stack->layer_set = layer_set_;
}
void HWCDisplay::SetLayerStack(HWCLayerStack *stack) {
client_target_ = stack->client_target;
layer_map_ = stack->layer_map;
layer_set_ = stack->layer_set;
}
bool HWCDisplay::CheckResourceState() {
if (display_intf_) {
return display_intf_->CheckResourceState();
}
return false;
}
void HWCDisplay::UpdateActiveConfig() {
if (!pending_config_) {
return;
}
DisplayError error = display_intf_->SetActiveConfig(pending_config_index_);
if (error != kErrorNone) {
DLOGI("Failed to set %d config", INT(pending_config_index_));
} else {
SetActiveConfigIndex(pending_config_index_);
}
// Reset pending config.
pending_config_ = false;
}
int32_t HWCDisplay::GetDisplayConfigGroup(DisplayConfigGroupInfo variable_config) {
for (auto &config : variable_config_map_) {
DisplayConfigGroupInfo const &group_info = config.second;
if (group_info == variable_config) {
return INT32(config.first);
}
}
return -1;
}
HWC2::Error HWCDisplay::GetDisplayVsyncPeriod(VsyncPeriodNanos *vsync_period) {
if (GetTransientVsyncPeriod(vsync_period)) {
return HWC2::Error::None;
}
return GetVsyncPeriodByActiveConfig(vsync_period);
}
HWC2::Error HWCDisplay::SetActiveConfigWithConstraints(
hwc2_config_t config, const VsyncPeriodChangeConstraints *vsync_period_change_constraints,
VsyncPeriodChangeTimeline *out_timeline) {
if (variable_config_map_.find(config) == variable_config_map_.end()) {
DLOGE("Invalid config: %d", config);
return HWC2::Error::BadConfig;
}
if (vsync_period_change_constraints->seamlessRequired && !AllowSeamless(config)) {
DLOGE("Seamless switch to the config: %d, is not allowed!", config);
return HWC2::Error::SeamlessNotAllowed;
}
VsyncPeriodNanos vsync_period;
if (GetDisplayVsyncPeriod(&vsync_period) != HWC2::Error::None) {
return HWC2::Error::BadConfig;
}
std::tie(out_timeline->refreshTimeNanos, out_timeline->newVsyncAppliedTimeNanos) =
RequestActiveConfigChange(config, vsync_period,
vsync_period_change_constraints->desiredTimeNanos);
out_timeline->refreshRequired = true;
return HWC2::Error::None;
}
void HWCDisplay::ProcessActiveConfigChange() {
if (!IsActiveConfigReadyToSubmit(systemTime(SYSTEM_TIME_MONOTONIC))) {
return;
}
DTRACE_SCOPED();
VsyncPeriodNanos vsync_period;
if (GetVsyncPeriodByActiveConfig(&vsync_period) == HWC2::Error::None) {
SubmitActiveConfigChange(vsync_period);
}
}
HWC2::Error HWCDisplay::GetVsyncPeriodByActiveConfig(VsyncPeriodNanos *vsync_period) {
hwc2_config_t active_config;
auto error = GetCachedActiveConfig(&active_config);
if (error != HWC2::Error::None) {
DLOGE("Failed to get active config!");
return error;
}
int32_t active_vsync_period;
error = GetDisplayAttribute(active_config, HwcAttribute::VSYNC_PERIOD, &active_vsync_period);
if (error != HWC2::Error::None) {
DLOGE("Failed to get VsyncPeriod of config: %d", active_config);
return error;
}
*vsync_period = static_cast<VsyncPeriodNanos>(active_vsync_period);
return HWC2::Error::None;
}
bool HWCDisplay::GetTransientVsyncPeriod(VsyncPeriodNanos *vsync_period) {
std::lock_guard<std::mutex> lock(transient_refresh_rate_lock_);
auto now = systemTime(SYSTEM_TIME_MONOTONIC);
while (!transient_refresh_rate_info_.empty()) {
if (IsActiveConfigApplied(now, transient_refresh_rate_info_.front().vsync_applied_time)) {
transient_refresh_rate_info_.pop_front();
} else {
*vsync_period = transient_refresh_rate_info_.front().transient_vsync_period;
return true;
}
}
return false;
}
std::tuple<int64_t, int64_t> HWCDisplay::RequestActiveConfigChange(
hwc2_config_t config, VsyncPeriodNanos current_vsync_period, int64_t desired_time) {
int64_t refresh_time, applied_time;
std::tie(refresh_time, applied_time) =
EstimateVsyncPeriodChangeTimeline(current_vsync_period, desired_time);
pending_refresh_rate_config_ = config;
pending_refresh_rate_refresh_time_ = refresh_time;
pending_refresh_rate_applied_time_ = applied_time;
return std::make_tuple(refresh_time, applied_time);
}
std::tuple<int64_t, int64_t> HWCDisplay::EstimateVsyncPeriodChangeTimeline(
VsyncPeriodNanos current_vsync_period, int64_t desired_time) {
const auto now = systemTime(SYSTEM_TIME_MONOTONIC);
const auto delta = desired_time - now;
const auto refresh_rate_activate_period = current_vsync_period * vsyncs_to_apply_rate_change_;
nsecs_t refresh_time;
if (delta < 0) {
refresh_time = now + (delta % current_vsync_period);
} else if (delta < refresh_rate_activate_period) {
refresh_time = now + (delta % current_vsync_period) - current_vsync_period;
} else {
refresh_time = desired_time - refresh_rate_activate_period;
}
const auto applied_time = refresh_time + refresh_rate_activate_period;
return std::make_tuple(refresh_time, applied_time);
}
void HWCDisplay::SubmitActiveConfigChange(VsyncPeriodNanos current_vsync_period) {
HWC2::Error error = SubmitDisplayConfig(pending_refresh_rate_config_);
if (error != HWC2::Error::None) {
return;
}
std::lock_guard<std::mutex> lock(transient_refresh_rate_lock_);
hwc_vsync_period_change_timeline_t timeline;
std::tie(timeline.refreshTimeNanos, timeline.newVsyncAppliedTimeNanos) =
EstimateVsyncPeriodChangeTimeline(current_vsync_period, pending_refresh_rate_refresh_time_);
transient_refresh_rate_info_.push_back({current_vsync_period, timeline.newVsyncAppliedTimeNanos});
if (timeline.newVsyncAppliedTimeNanos != pending_refresh_rate_applied_time_) {
timeline.refreshRequired = false;
callbacks_->VsyncPeriodTimingChanged(id_, &timeline);
}
pending_refresh_rate_config_ = UINT_MAX;
pending_refresh_rate_refresh_time_ = INT64_MAX;
pending_refresh_rate_applied_time_ = INT64_MAX;
}
bool HWCDisplay::IsActiveConfigReadyToSubmit(int64_t time) {
return ((pending_refresh_rate_config_ != UINT_MAX) &&
IsTimeAfterOrEqualVsyncTime(time, pending_refresh_rate_refresh_time_));
}
bool HWCDisplay::IsActiveConfigApplied(int64_t time, int64_t vsync_applied_time) {
return IsTimeAfterOrEqualVsyncTime(time, vsync_applied_time);
}
bool HWCDisplay::IsSameGroup(hwc2_config_t config_id1, hwc2_config_t config_id2) {
const auto &variable_config1 = variable_config_map_.find(config_id1);
const auto &variable_config2 = variable_config_map_.find(config_id2);
if ((variable_config1 == variable_config_map_.end()) ||
(variable_config2 == variable_config_map_.end())) {
DLOGE("Invalid config: %u, %u", config_id1, config_id2);
return false;
}
const DisplayConfigGroupInfo &config_group1 = variable_config1->second;
const DisplayConfigGroupInfo &config_group2 = variable_config2->second;
return (config_group1 == config_group2);
}
bool HWCDisplay::AllowSeamless(hwc2_config_t config) {
hwc2_config_t active_config;
auto error = GetCachedActiveConfig(&active_config);
if (error != HWC2::Error::None) {
DLOGE("Failed to get active config!");
return false;
}
return IsSameGroup(active_config, config);
}
HWC2::Error HWCDisplay::SubmitDisplayConfig(hwc2_config_t config) {
DTRACE_SCOPED();
hwc2_config_t current_config = 0;
GetActiveConfig(&current_config);
if (current_config == config) {
return HWC2::Error::None;
}
DisplayError error = display_intf_->SetActiveConfig(config);
if (error != kErrorNone) {
DLOGE("Failed to set %d config! Error: %d", config, error);
return HWC2::Error::BadConfig;
}
validated_ = false;
SetActiveConfigIndex(config);
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::GetCachedActiveConfig(hwc2_config_t *active_config) {
int config_index = GetActiveConfigIndex();
if ((config_index < 0) || (config_index >= hwc_config_map_.size())) {
return GetActiveConfig(active_config);
}
*active_config = static_cast<hwc2_config_t>(hwc_config_map_.at(config_index));
return HWC2::Error::None;
}
void HWCDisplay::SetActiveConfigIndex(int index) {
std::lock_guard<std::mutex> lock(active_config_lock_);
active_config_index_ = index;
}
int HWCDisplay::GetActiveConfigIndex() {
std::lock_guard<std::mutex> lock(active_config_lock_);
return active_config_index_;
}
HWC2::Error HWCDisplay::GetSupportedContentTypes(hidl_vec<HwcContentType> *types) {
types = {};
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetContentType(HwcContentType type) {
if (type == HwcContentType::NONE) {
return HWC2::Error::None;
}
return HWC2::Error::Unsupported;
}
} // namespace sdm
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