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LeafOS / LeafOS-Project / android_hardware_qcom_display / 21a21773d8679531e695266a6095bfa82288c6c0 / . / 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
*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*
* 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.
*/
/*
* Changes from Qualcomm Innovation Center are provided under the following license:
*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
* disclaimer below) provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Qualcomm Innovation Center, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* Changes from Qualcomm Innovation Center are provided under the following license:
*
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause-Clear
*/
#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 <vendor/qti/hardware/display/composer/3.0/IQtiComposerClient.h>
#include <QtiGralloc.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"
using aidl::android::hardware::graphics::common::StandardMetadataType;
namespace sdm {
bool HWCDisplay::mmrm_restricted_ = false;
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 ||
current_color_mode_ == ColorMode::NATIVE) &&
curr_dynamic_range_ == kHdrType) {
// fall back to display_p3/display_bt2020/native 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());
} else {
DLOGE("Failed to apply 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();
layer_stack_.flags.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;
}
}
}
HWCDebugHandler::Get()->GetProperty(DISABLE_HDR, &disable_hdr_handling_);
if (disable_hdr_handling_) {
DLOGI("HDR Handling disabled");
}
HWCDebugHandler::Get()->GetProperty(DISABLE_SDR_HISTOGRAM, &disable_sdr_histogram_);
if (disable_sdr_histogram_) {
DLOGI("Non-HDR histogram 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();
int enable_gpu_tonemapper = 0;
HWCDebugHandler::Get()->GetProperty(ENABLE_GPU_TONEMAPPER_PROP, &enable_gpu_tonemapper);
// Disable instantiating HWCTonemapper when GPU tonemapping is not used.
if (enable_gpu_tonemapper) {
tone_mapper_ = new HWCToneMapper(buffer_allocator_);
}
display_intf_->GetQsyncFps(&qsync_fps_);
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;
game_supported_ = display_intf_->GameEnhanceSupported();
DLOGI("Display created with id: %d, game_supported_: %d", UINT32(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_));
if (disable_sdr_histogram_)
layer->IgnoreSdrHistogramMetadata(true);
layer_map_.emplace(std::make_pair(layer->GetId(), layer));
*out_layer_id = layer->GetId();
geometry_changes_ |= GeometryChanges::kAdded;
layer_stack_invalid_ = true;
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) {
// ToDo: Replace layer destroy with smart pointer.
// Work around to block main thread execution until async commit finishes.
display_intf_->DestroyLayer();
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;
layer_stack_invalid_ = true;
return HWC2::Error::None;
}
static bool IsHDRLayerPresent(Layer *layer) {
if (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)) {
return true;
} else if (IsExtendedRange(layer->input_buffer)) {
// Treat input format FP16 with extended range as HDR layer
return true;
}
return false;
}
void HWCDisplay::BuildLayerStack() {
layer_stack_ = LayerStack();
display_rect_ = LayerRect();
layer_stack_.flags.use_metadata_refresh_rate = false;
layer_stack_.flags.animating = animating_;
layer_stack_.flags.layer_id_support = true;
layer_stack_.solid_fill_enabled = solid_fill_enable_;
layer_stack_.tonemapper_active = tone_mapper_ && tone_mapper_->IsActive();
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 (swap_interval_zero_) {
layer->input_buffer.acquire_fence = nullptr;
}
bool is_secure = false;
bool is_video = false;
void *hdl = reinterpret_cast<native_handle_t *>(layer->input_buffer.buffer_id);
if (hdl) {
int buffer_type;
gralloc::GetMetaDataValue(hdl, QTI_BUFFER_TYPE, &buffer_type);
if (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
int32_t handle_flags;
gralloc::GetMetaDataValue(hdl, QTI_PRIVATE_FLAGS, &handle_flags);
if (handle_flags & qtigralloc::PRIV_FLAGS_SECURE_BUFFER) {
layer_stack_.flags.secure_present = true;
is_secure = true;
}
// UBWC PI format
if (handle_flags & qtigralloc::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 = IsHDRLayerPresent(layer);
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;
}
if (game_supported_ && (hwc_layer->GetType() == kLayerGame) && !hdr_layer) {
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->flags.has_metadata_refresh_rate = true;
}
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;
layer->flags.compatible = hwc_layer->IsLayerCompatible();
layer->layer_id = hwc_layer->GetId();
layer->layer_name = hwc_layer->GetName();
layer->geometry_changes = hwc_layer->GetGeometryChanges();
layer_stack_.layers.push_back(layer);
}
// TODO(user): Set correctly when SDM supports geometry_changes as bitmask
layer_stack_.flags.geometry_changed = UINT32((geometry_changes_ ||
geometry_changes_on_doze_suspend_) > 0);
layer_stack_.flags.advance_fb_present = client_target_3_1_set_;
// Append client target to the layer stack
Layer *sdm_client_target = client_target_->GetSDMLayer();
sdm_client_target->layer_id = client_target_->GetId();
sdm_client_target->geometry_changes = client_target_->GetGeometryChanges();
sdm_client_target->flags.updating = IsLayerUpdating(client_target_);
sdm_client_target->layer_name = client_target_->GetName();
// 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);
layer_stack_.elapse_timestamp = elapse_timestamp_;
layer_stack_.client_incompatible =
dump_frame_count_ && (dump_output_to_file_ || dump_input_layers_);
DLOGV_IF(kTagClient, "layer_stack_.client_incompatible : %d", layer_stack_.client_incompatible);
ATRACE_INT("HDRPresent ", layer_stack_.flags.hdr_present ? 1 : 0);
}
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());
layer_stack_.client_incompatible =
dump_frame_count_ && (dump_output_to_file_ || dump_input_layers_);
DLOGV_IF(kTagClient, "layer_stack_.client_incompatible : %d", layer_stack_.client_incompatible);
}
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()) {
DLOGW("display [%" PRIu64"]-[%" PRIu64 "] SetLayerType (%" PRIu64 ") failed to find layer",
id_, type_, 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: %" PRId64 " 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_) {
hwc_layer->SetReleaseFence(release_fence_);
}
}
HWC2::Error HWCDisplay::SetPowerMode(HWC2::PowerMode mode, bool teardown) {
DLOGI("display = %" PRId64 ", 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:
if (mmrm_restricted_ && (display_class_ != DISPLAY_CLASS_BUILTIN) &&
(current_power_mode_ == HWC2::PowerMode::Off ||
current_power_mode_ == HWC2::PowerMode::DozeSuspend)) {
return HWC2::Error::None;
}
RestoreColorTransform();
state = kStateOn;
break;
case HWC2::PowerMode::Doze:
if (mmrm_restricted_ && (display_class_ != DISPLAY_CLASS_BUILTIN) &&
(current_power_mode_ == HWC2::PowerMode::Off ||
current_power_mode_ == HWC2::PowerMode::DozeSuspend)) {
return HWC2::Error::None;
}
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);
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);
variable_config.x_pixels -= UINT32(window_rect_.right + window_rect_.left);
variable_config.y_pixels -= UINT32(window_rect_.bottom + window_rect_.top);
if (variable_config.x_pixels <= 0 || variable_config.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(variable_config.x_pixels);
break;
case HwcAttribute::HEIGHT:
*out_value = INT32(variable_config.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) {
DTRACE_SCOPED();
// 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());
SetClientTargetDataSpace(dataspace);
client_target_->SetLayerSurfaceDamage(damage);
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::SetClientTarget_3_1(buffer_handle_t target, shared_ptr<Fence> acquire_fence,
int32_t dataspace, hwc_region_t damage) {
DTRACE_SCOPED();
auto status = SetClientTarget(target, acquire_fence, dataspace, damage);
if (status != HWC2::Error::None) {
return status;
}
client_target_3_1_set_ = true;
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;
}
if (!IsModeSwitchAllowed(config)) {
return HWC2::Error::BadConfig;
}
// 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;
// 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) {
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_);
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type,
int32_t format, CwbConfig &cwb_config) {
bool dump_output_to_file = bit_mask_layer_type & (1 << OUTPUT_LAYER_DUMP);
DLOGI("Requested o/p dump enable = %d", dump_output_to_file);
if (!count || (dump_output_to_file && (output_buffer_info_.alloc_buffer_info.fd >= 0))) {
DLOGW("FrameDump Not enabled Framecount = %d dump_output_to_file = %d o/p fd = %d", count,
dump_output_to_file, output_buffer_info_.alloc_buffer_info.fd);
return HWC2::Error::None;
}
SetFrameDumpConfig(count, bit_mask_layer_type, format);
if (!dump_output_to_file) {
// output(cwb) not requested, return
return HWC2::Error::None;
}
// Allocate and map output buffer
const CwbTapPoint &tap_point = cwb_config.tap_point;
if (GetCwbBufferResolution(&cwb_config, &output_buffer_info_.buffer_config.width,
&output_buffer_info_.buffer_config.height)) {
DLOGW("Buffer Resolution setting failed.");
return HWC2::Error::BadConfig;
}
DLOGV_IF(kTagQDCM, "CWB output buffer resolution: width:%d height:%d tap point:%s",
output_buffer_info_.buffer_config.width, output_buffer_info_.buffer_config.height,
UINT32(tap_point) ? (UINT32(tap_point) == 1) ? "DSPP" : "DEMURA" : "LM");
output_buffer_info_.buffer_config.format = HWCLayer::GetSDMFormat(format, 0);
output_buffer_info_.buffer_config.buffer_count = 1;
if (buffer_allocator_->AllocateBuffer(&output_buffer_info_) != 0) {
DLOGE("Buffer allocation failed");
output_buffer_info_ = {};
return HWC2::Error::NoResources;
}
void *buffer = mmap(NULL, output_buffer_info_.alloc_buffer_info.size, PROT_READ | PROT_WRITE,
MAP_SHARED, output_buffer_info_.alloc_buffer_info.fd, 0);
if (buffer == MAP_FAILED) {
DLOGE("mmap failed with err %d", errno);
buffer_allocator_->FreeBuffer(&output_buffer_info_);
output_buffer_info_ = {};
dump_frame_count_ = 0;
return HWC2::Error::NoResources;
}
const native_handle_t *handle = static_cast<native_handle_t *>(output_buffer_info_.private_data);
HWC2::Error err = SetReadbackBuffer(handle, nullptr, cwb_config, kCWBClientFrameDump);
if (err != HWC2::Error::None) {
munmap(buffer, output_buffer_info_.alloc_buffer_info.size);
buffer_allocator_->FreeBuffer(&output_buffer_info_);
output_buffer_info_ = {};
dump_frame_count_ = 0;
return err;
}
dump_output_to_file_ = dump_output_to_file;
output_buffer_base_ = buffer;
output_buffer_cwb_config_ = cwb_config;
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 kPanelDeadEvent:
case kDisplayPowerResetEvent: {
// 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 = %" PRId64 "), event_handler_ is null",
id_);
}
} break;
case kPostIdleTimeout:
display_idle_ = true;
break;
case kVmReleaseDone: {
if (event_handler_) {
event_handler_->VmReleaseDone(id_);
} else {
DLOGW("Cannot execute VmReleaseDone (client_id = %" PRId64 "), event_handler_ is null",
id_);
}
} break;
case kIdleTimeout:
ReqPerfHintRelease();
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_) {
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_);
auto status = HandlePrepareError(error);
if (status != HWC2::Error::None) {
return status;
}
return PostPrepareLayerStack(out_num_types, out_num_requests);
}
HWC2::Error HWCDisplay::HandlePrepareError(DisplayError error) {
if (error == kErrorNone || error == kErrorNeedsCommit) {
return HWC2::Error::None;
}
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);
// 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;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::PostPrepareLayerStack(uint32_t *out_num_types, uint32_t *out_num_requests) {
DTRACE_SCOPED();
// clear geometry_changes_on_doze_suspend_ on successful prepare.
geometry_changes_on_doze_suspend_ = GeometryChanges::kNone;
layer_changes_.clear();
layer_requests_.clear();
has_client_composition_ = false;
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());
layer_stack_invalid_ = false;
layer_stack_.client_incompatible = false;
validate_done_ = true;
return (((*out_num_types > 0) || (has_client_composition_ && *out_num_requests > 0))
? HWC2::Error::HasChanges : HWC2::Error::None);
}
HWC2::Error HWCDisplay::AcceptDisplayChanges() {
if (layer_set_.empty()) {
return HWC2::Error::None;
}
if (!validate_done_) {
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 (!validate_done_) {
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];
fence = hwc_layer->GetReleaseFence();
}
} 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 (!validate_done_) {
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) {
int32_t supported_types[static_cast<int32_t>(Hdr::HDR10_PLUS)];
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) {
supported_types[num_types] = static_cast<int32_t>(Hdr::HDR10_PLUS);
num_types++;
}
if (fixed_info.dolby_vision_supported) {
supported_types[num_types] = static_cast<int32_t>(Hdr::DOLBY_VISION);
num_types++;
}
if (fixed_info.hdr_supported) {
supported_types[num_types] = static_cast<int32_t>(Hdr::HDR10);
num_types++;
}
supported_types[num_types] = static_cast<int32_t>(Hdr::HLG);
num_types++;
if (out_types == nullptr) {
*out_num_types = num_types;
} else {
uint32_t max_out_types = std::min(*out_num_types, num_types);
for (int32_t i = 0; i < max_out_types; i++) {
out_types[i] = supported_types[i];
}
*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::CommitOrPrepare(bool validate_only, shared_ptr<Fence> *out_retire_fence,
uint32_t *out_num_types, uint32_t *out_num_requests,
bool *needs_commit) {
DTRACE_SCOPED();
if (shutdown_pending_) {
return HWC2::Error::BadDisplay;
}
UpdateRefreshRate();
UpdateActiveConfig();
validate_done_ = false;
bool exit_validate = false;
PreValidateDisplay(&exit_validate);
if (exit_validate) {
validate_done_ = true;
client_target_3_1_set_ = false;
return HWC2::Error::None;
}
layer_stack_.validate_only = validate_only;
DisplayError error = display_intf_->CommitOrPrepare(&layer_stack_);
// Mask error if needed.
auto status = HandlePrepareError(error);
if (status != HWC2::Error::None) {
client_target_3_1_set_ = false;
return status;
}
*needs_commit = error == kErrorNeedsCommit;
if (!(*needs_commit)) {
PostCommitLayerStack(out_retire_fence);
}
return PostPrepareLayerStack(out_num_types, out_num_requests);
}
HWC2::Error HWCDisplay::CommitLayerStack(void) {
if (flush_) {
return HWC2::Error::None;
}
DTRACE_SCOPED();
if (shutdown_pending_ || layer_set_.empty()) {
return HWC2::Error::None;
}
if (!validate_done_) {
DLOGV_IF(kTagClient, "Display %" PRIu64 "is not validated", id_);
return HWC2::Error::NotValidated;
}
if (skip_commit_) {
DLOGV_IF(kTagClient, "Skipping Refresh on display %" PRIu64 , id_);
return HWC2::Error::None;
}
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();
}
}
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;
} else if (error == kErrorNotValidated) {
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;
}
return HWC2::Error::Unsupported;
}
return HWC2::Error::None;
}
HWC2::Error HWCDisplay::PostCommitLayerStack(shared_ptr<Fence> *out_retire_fence) {
DTRACE_SCOPED();
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_);
}
if (tone_mapper_ && tone_mapper_->IsActive()) {
tone_mapper_->PostCommit(&layer_stack_);
}
DumpInputBuffers();
RetrieveFences(out_retire_fence);
client_target_->ResetGeometryChanges();
for (auto hwc_layer : layer_set_) {
hwc_layer->ResetGeometryChanges();
Layer *layer = hwc_layer->GetSDMLayer();
LayerBuffer *layer_buffer = &layer->input_buffer;
layer->request.flags = {};
layer_buffer->acquire_fence = nullptr;
}
client_target_->GetSDMLayer()->request.flags = {};
layer_stack_.flags.geometry_changed = false;
geometry_changes_ = GeometryChanges::kNone;
flush_ = false;
skip_commit_ = false;
layer_stack_.flags.geometry_changed = false;
geometry_changes_ = GeometryChanges::kNone;
flush_ = false;
skip_commit_ = false;
client_target_3_1_set_ = false;
if (display_pause_pending_) {
DLOGI("Pause display %d-%d", sdm_id_, type_);
display_paused_ = true;
display_pause_pending_ = false;
}
if (secure_event_ == kTUITransitionEnd || secure_event_ == kSecureDisplayEnd ||
secure_event_ == kTUITransitionUnPrepare) {
secure_event_ = kSecureEventMax;
}
// 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::RetrieveFences(shared_ptr<Fence> *out_retire_fence) {
// TODO(user): No way to set the client target release fence on SvF
for (auto hwc_layer : layer_set_) {
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->SetReleaseFence(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->SetReleaseFence(nullptr);
}
layer_buffer->acquire_fence = nullptr;
}
// 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;
}
}
void HWCDisplay::SetIdleTimeoutMs(uint32_t timeout_ms, uint32_t inactive_ms) {
return;
}
DisplayError HWCDisplay::SetMaxMixerStages(uint32_t max_mixer_stages) {
DisplayError error = kErrorNone;
if (display_intf_) {
error = display_intf_->SetMaxMixerStages(max_mixer_stages);
}
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;
}
bool dump_gpu_target = false; // whether to dump GPU Target layer.
for (uint32_t i = 0; i < layer_stack_.layers.size(); i++) {
auto layer = layer_stack_.layers.at(i);
if (!dump_gpu_target) {
if (layer->composition == kCompositionGPU) {
dump_gpu_target = true; // Dump GPU Target layer only if its not a full MDP composition.
} else if (layer->composition == kCompositionGPUTarget) {
DLOGI("Skipping dumping target layer. dump_gpu_target : %d", dump_gpu_target);
break; // Skip dumping GPU Target layer.
}
}
const native_handle_t *handle =
reinterpret_cast<const native_handle_t *>(layer->input_buffer.buffer_id);
Fence::Wait(layer->input_buffer.acquire_fence);
if (!handle) {
DLOGW("Buffer handle is detected as null for layer: %s(%d) out of %lu layers with layer "
"flag value: %u", layer->layer_name.c_str(), layer->layer_id,
layer_stack_.layers.size(), layer->flags);
continue;
}
DLOGI("Dump layer[%d] of %lu handle %p", i, layer_stack_.layers.size(), handle);
void *base_ptr = NULL;
int error = buffer_allocator_->MapBuffer(handle, nullptr, &base_ptr);
if (error != kErrorNone) {
DLOGE("Failed to map buffer, error = %d", error);
continue;
}
char dump_file_name[PATH_MAX];
size_t result = 0;
uint32_t width = 0, height = 0, alloc_size = 0;
int32_t format = 0;
buffer_allocator_->GetWidth((void *)handle, width);
buffer_allocator_->GetHeight((void *)handle, height);
buffer_allocator_->GetFormat((void *)handle, format);
buffer_allocator_->GetAllocationSize((void *)handle, alloc_size);
snprintf(dump_file_name, sizeof(dump_file_name), "%s/input_layer%d_%dx%d_format%d_frame%d.raw",
dir_path, i, width, height, format, dump_frame_index_);
if (base_ptr != nullptr) {
FILE *fp = fopen(dump_file_name, "w+");
if (fp) {
result = fwrite(base_ptr, alloc_size, 1, fp);
fclose(fp);
}
}
int release_fence = -1;
error = buffer_allocator_->UnmapBuffer(handle, &release_fence);
if (error != 0) {
DLOGE("Failed to unmap buffer, error = %d", error);
continue;
}
DLOGI("Frame Dump %s: is %s", dump_file_name, result ? "Successful" : "Failed");
if (layer->composition == kCompositionGPUTarget) { // Skip dumping the layers that follow
// follow GPU Target layer in layers list (i.e. stitch layers, noise layer, demura layer).
break;
}
}
}
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);
}
// Need to clear buffer after dumping of current frame to provide empty buffer for next frame.
memset(base, 0, buffer_info.alloc_buffer_info.size);
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) {
DTRACE_SCOPED();
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 = static_cast<int>(PixelFormat::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 |= qtigralloc::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) {
DTRACE_SCOPED();
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);
}
uint32_t HWCDisplay::GetAvailableMixerCount() {
return display_intf_->GetAvailableMixerCount();
}
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;
}
void HWCDisplay::GetRealPanelResolution(uint32_t *x_pixels, uint32_t *y_pixels) {
DisplayConfigVariableInfo display_config;
uint32_t active_index = 0;
display_intf_->GetActiveConfig(&active_index);
display_intf_->GetRealConfig(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;
if (secure_event_ != kSecureEventMax) {
DLOGW("SetDisplayStatus is not supported when TUI transition in progress");
return -ENOTSUP;
}
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 (display_intf_->IsValidated()) {
// 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;
}
return 0;
}
void HWCDisplay::MarkLayersForGPUBypass() {
for (auto hwc_layer : layer_set_) {
auto layer = hwc_layer->GetSDMLayer();
layer->composition = kCompositionSDE;
}
}
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) {
if (secure_event_ != kSecureEventMax) {
DLOGW("Toggle screen updates is not supported when TUI transition in progress");
return -ENOTSUP;
}
display_paused_ = enable ? false : true;
callbacks_->Refresh(id_);
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_);
}
if (active_secure_sessions_[kSecureCamera] != secure_sessions[kSecureCamera]) {
if (secure_sessions[kSecureCamera]) {
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("SecureCamera state changed from %d to %d for display %" PRId64 " %d-%d",
active_secure_sessions_.test(kSecureCamera), secure_sessions.test(kSecureCamera),
id_, sdm_id_, type_);
}
active_secure_sessions_ = secure_sessions;
return 0;
}
int HWCDisplay::SetActiveDisplayConfig(uint32_t config) {
uint32_t current_config = 0;
display_intf_->GetActiveConfig(&current_config);
if (config == current_config) {
return 0;
}
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::SetNoisePlugInOverride(bool override_en, int32_t attn, int32_t noise_zpos) {
DisplayError error = display_intf_->SetNoisePlugInOverride(override_en, attn, noise_zpos);
if (error != kErrorNone) {
DLOGE("Display ID: %" PRId64 " failed to override NoisePlugIn! Error: %d", id_, error);
return -EINVAL;
}
callbacks_->Refresh(id_);
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;
}
int HWCDisplay::GetSupportedDisplayRefreshRates(std::vector<uint32_t> *supported_refresh_rates) {
if (!supported_refresh_rates) {
return -1;
}
hwc2_config_t active_config = 0;
GetActiveConfig(&active_config);
int32_t config_group, active_config_group;
auto error = GetDisplayAttribute(active_config, HwcAttribute::CONFIG_GROUP, &active_config_group);
if (error != HWC2::Error::None) {
DLOGE("Failed to get config group of active config");
return -1;
}
supported_refresh_rates->resize(0);
for (auto &config : variable_config_map_) {
error = GetDisplayAttribute(config.first, HwcAttribute::CONFIG_GROUP, &config_group);
if (error != HWC2::Error::None) {
DLOGE("Failed to get config group for config index: %u", config.first);
return -1;
}
if (active_config_group == config_group) {
DisplayConfigVariableInfo const &config_info = config.second;
supported_refresh_rates->push_back(config_info.fps);
}
}
DLOGI("Count of supported refresh rates = %u for active config group = %d",
UINT32(supported_refresh_rates->size()), active_config_group);
return 0;
}
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() ||
hwc_layer->GetGeometryChanges());
}
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 << " name: " << std::setw(100) << layer->GetName();
*os << " z: " << layer->GetZ();
*os << " composition: " <<
to_string(layer->GetOrigClientRequestedCompositionType()).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;
}
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";
}
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 (!display_intf_->IsValidated() || layer_set_.empty()) {
return false;
}
if (display_intf_->HasDemura()) {
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;
}
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;
}
if (Fence::Wait(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(bool *res_exhausted) {
if (display_intf_) {
return display_intf_->CheckResourceState(res_exhausted);
}
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;
}
bool HWCDisplay::IsModeSwitchAllowed(uint32_t config) {
DisplayError error = kErrorNone;
uint32_t allowed_mode_switch = 0;
error = display_intf_->IsSupportedOnDisplay(kSupportedModeSwitch, &allowed_mode_switch);
if (error != kErrorNone) {
if (error == kErrorResources) {
DLOGW("Not allowed to switch to mode:%d", config);
return false;
}
DLOGW("Unable to retrieve supported modes for the current device configuration.");
}
if (allowed_mode_switch == 0 || (allowed_mode_switch & (1 << config))) {
DLOGV_IF(kTagClient, "Allowed to switch to mode:%d", config);
return true;
}
DLOGW("Not allowed to switch to mode:%d", config);
return false;
}
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) {
DTRACE_SCOPED();
if (variable_config_map_.find(config) == variable_config_map_.end()) {
DLOGE("Invalid config: %d", config);
return HWC2::Error::BadConfig;
}
if (!IsModeSwitchAllowed(config)) {
return HWC2::Error::BadConfig;
}
// 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;
}
// Cache refresh rate set by client.
DisplayConfigVariableInfo info = {};
GetDisplayAttributesForConfig(INT(config), &info);
active_refresh_rate_ = info.fps;
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;
if (is_client_up_ && (info.x_pixels != fb_width_ || info.y_pixels != fb_height_)) {
out_timeline->refreshRequired = false;
fb_width_ = info.x_pixels;
fb_height_ = info.y_pixels;
}
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 = 0;
int64_t applied_time = 0;
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);
DisplayError error = display_intf_->SetActiveConfig(config);
if (error == kErrorDeferred) {
DLOGW("Failed to set new config:%d from current config:%d! Error: %d",
config, current_config, error);
return HWC2::Error::BadConfig;
} else if (error != kErrorNone) {
DLOGE("Failed to set new config:%d from current config:%d! Error: %d",
config, current_config, error);
return HWC2::Error::BadConfig;
}
SetActiveConfigIndex(config);
DLOGI("Active configuration changed from config %d to %d", current_config, config);
// Cache refresh rate set by client.
DisplayConfigVariableInfo info = {};
GetDisplayAttributesForConfig(INT(config), &info);
active_refresh_rate_ = info.fps;
DisplayConfigVariableInfo current_config_info = {};
GetDisplayAttributesForConfig(INT(current_config), &current_config_info);
// Set fb config if new resolution differs
if (info.x_pixels != current_config_info.x_pixels ||
info.y_pixels != current_config_info.y_pixels) {
if (SetFrameBufferResolution(info.x_pixels, info.y_pixels)) {
return HWC2::Error::BadParameter;
}
}
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_;
}
DisplayError HWCDisplay::ValidateTUITransition (SecureEvent secure_event) {
switch (secure_event) {
case kTUITransitionPrepare:
if (secure_event_ != kSecureEventMax) {
DLOGE("Invalid TUI transition from %d to %d", secure_event_, secure_event);
return kErrorParameters;
}
break;
case kTUITransitionUnPrepare:
if (secure_event_ != kTUITransitionPrepare) {
DLOGE("Invalid TUI transition from %d to %d", secure_event_, secure_event);
return kErrorParameters;
}
break;
case kTUITransitionStart:
if (secure_event_ != kTUITransitionPrepare) {
DLOGE("Invalid TUI transition from %d to %d", secure_event_, secure_event);
return kErrorParameters;
}
break;
case kTUITransitionEnd:
if (secure_event_ != kTUITransitionStart) {
DLOGE("Invalid TUI transition from %d to %d", secure_event_, secure_event);
return kErrorParameters;
}
break;
default:
DLOGE("Invalid secure event %d", secure_event);
return kErrorParameters;
}
return kErrorNone;
}
DisplayError HWCDisplay::HandleSecureEvent(SecureEvent secure_event, bool *needs_refresh,
bool update_event_only) {
if (secure_event == secure_event_) {
return kErrorNone;
}
if (update_event_only) {
secure_event_ = secure_event;
return kErrorNone;
}
DisplayError err = ValidateTUITransition(secure_event);
if (err != kErrorNone) {
return err;
}
err = display_intf_->HandleSecureEvent(secure_event, needs_refresh);
if (err != kErrorNone) {
DLOGE("Handle secure event failed");
return err;
}
if (secure_event == kTUITransitionEnd)
color_mode_->ReapplyMode();
if (secure_event == kTUITransitionEnd || secure_event == kTUITransitionUnPrepare) {
DLOGI("Resume display %d-%d", sdm_id_, type_);
display_paused_ = false;
if (*needs_refresh == false) {
secure_event_ = kSecureEventMax;
return kErrorNone;
}
} else if (secure_event == kTUITransitionPrepare || secure_event == kTUITransitionStart) {
if (*needs_refresh) {
display_pause_pending_ = true;
} else {
DLOGI("Pause display %d-%d", sdm_id_, type_);
display_paused_ = true;
}
}
secure_event_ = secure_event;
return kErrorNone;
}
DisplayError HWCDisplay::PostHandleSecureEvent(SecureEvent secure_event) {
DisplayError err = display_intf_->PostHandleSecureEvent(secure_event);
if (err == kErrorNone) {
if (secure_event == kTUITransitionEnd || secure_event == kTUITransitionUnPrepare) {
return kErrorNone;
}
secure_event_ = secure_event;
}
return err;
}
int HWCDisplay::GetCwbBufferResolution(CwbConfig *cwb_config, uint32_t *x_pixels,
uint32_t *y_pixels) {
if (!x_pixels || !y_pixels) {
return -1;
}
DisplayError ret = display_intf_->GetCwbBufferResolution(cwb_config, x_pixels,
y_pixels);
if (ret != kErrorNone) {
DLOGE("Failed to get Output buffer resolution.");
return -1;
}
return 0;
}
DisplayError HWCDisplay::TeardownConcurrentWriteback(bool *needs_refresh) {
if (!needs_refresh) {
return kErrorParameters;
}
bool pending_cwb_request = false;
{
std::unique_lock<std::mutex> lock(cwb_mutex_);
pending_cwb_request = !!cwb_buffer_map_.size();
}
*needs_refresh = true;
display_intf_->HandleCwbTeardown();
if (!pending_cwb_request) {
dump_frame_count_ = 0;
dump_frame_index_ = 0;
dump_output_to_file_ = false;
if (output_buffer_base_ != nullptr) {
if (munmap(output_buffer_base_, output_buffer_info_.alloc_buffer_info.size) != 0) {
DLOGW("unmap failed with err %d", errno);
}
}
if (buffer_allocator_ && buffer_allocator_->FreeBuffer(&output_buffer_info_) != 0) {
DLOGW("FreeBuffer failed");
}
output_buffer_info_ = {};
output_buffer_base_ = nullptr;
frame_capture_buffer_queued_ = false;
frame_capture_status_ = 0;
}
return kErrorNone;
}
void HWCDisplay::MMRMEvent(bool restricted) {
mmrm_restricted_ = restricted;
callbacks_->Refresh(id_);
}
void HWCDisplay::SetDrawMethod() {
if (draw_method_set_) {
return;
}
// Default behaviour.
// Init draw method from fixed config.
// Update it if client supports setting next FBT.
DisplayConfigFixedInfo fixed_info = {};
display_intf_->GetConfig(&fixed_info);
draw_method_ = kDrawDefault;
if (fixed_info.supports_unified_draw) {
// Composer extn is not present.
draw_method_ = kDrawUnified;
}
DLOGI("Set draw method: %d", draw_method_);
display_intf_->SetDrawMethod(draw_method_);
draw_method_set_ = true;
}
HWC2::Error HWCDisplay::TryDrawMethod(IQtiComposerClient::DrawMethod client_drawMethod) {
auto status = HWC2::Error::None;
DisplayConfigFixedInfo fixed_config;
display_intf_->GetConfig(&fixed_config);
bool supports_unified_draw = fixed_config.supports_unified_draw;
if (!supports_unified_draw) {
// Check if driver support is present.
// If driver doesn't support return unsupported and set default method.
draw_method_ = kDrawDefault;
status = HWC2::Error::Unsupported;
DLOGI("Enabling default draw method");
} else if (client_drawMethod != IQtiComposerClient::DrawMethod::UNIFIED_DRAW) {
// Driver supports unified draw.
// If client doesnt support unified draw, limit to kDrawUnified.
draw_method_ = kDrawUnified;
status = HWC2::Error::Unsupported;
DLOGI("Enabling unified draw");
} else {
// Driver and client supports unified draw.
draw_method_ = kDrawUnifiedWithGPUTarget;
status = HWC2::Error::None;
DLOGI("Enabling unified draw with GPU target");
}
display_intf_->SetDrawMethod(draw_method_);
draw_method_set_ = true;
return status;
}
HWC2::Error HWCDisplay::SetReadbackBuffer(const native_handle_t *buffer,
shared_ptr<Fence> acquire_fence,
CwbConfig cwb_config, CWBClient client) {
if (current_power_mode_ == HWC2::PowerMode::Off ||
current_power_mode_ == HWC2::PowerMode::DozeSuspend) {
DLOGW("CWB requested on either Powered-Off or Doze-Suspended display.");
return HWC2::Error::BadDisplay;
}
if (secure_event_ != kSecureEventMax) {
DLOGW("CWB is not supported as TUI transition is in progress");
return HWC2::Error::Unsupported;
}
void *hdl = const_cast<native_handle_t *>(buffer);
if (!buffer) {
DLOGE("Bad parameter: handle is null");
return HWC2::Error::BadParameter;
}
int fd;
gralloc::GetMetaDataValue(hdl, (int64_t)qtigralloc::MetadataType_FD.value, &fd);
if (fd < 0) {
DLOGE("Bad parameter: fd is null");
return HWC2::Error::BadParameter;
}
LayerBuffer output_buffer = {};
// Configure the output buffer as Readback buffer
auto err = gralloc::GetMetaDataValue(
hdl, (int64_t)qtigralloc::MetadataType_AlignedWidthInPixels.value, &output_buffer.width);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve aligned width");
}
err = gralloc::GetMetaDataValue(
hdl, (int64_t)qtigralloc::MetadataType_AlignedHeightInPixels.value, &output_buffer.height);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve aligned height");
}
err = gralloc::GetMetaDataValue(hdl, (int64_t)StandardMetadataType::WIDTH,
&output_buffer.unaligned_width);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve unaligned width");
}
err = gralloc::GetMetaDataValue(hdl, (int64_t)StandardMetadataType::HEIGHT,
&output_buffer.unaligned_height);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve unaligned height");
}
int format, flag;
err = gralloc::GetMetaDataValue(hdl, (int64_t)StandardMetadataType::PIXEL_FORMAT_REQUESTED,
&format);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve format");
}
err = gralloc::GetMetaDataValue(hdl, (int64_t)QTI_PRIVATE_FLAGS, &flag);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve flag");
}
output_buffer.format = HWCLayer::GetSDMFormat(format, flag);
err = gralloc::GetMetaDataValue(hdl, (int64_t)QTI_FD, &output_buffer.planes[0].fd);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve file descriptor");
}
err = gralloc::GetMetaDataValue(hdl, (int64_t)QTI_ALIGNED_WIDTH_IN_PIXELS,
&output_buffer.planes[0].stride);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve stride");
}
err = gralloc::GetMetaDataValue(hdl, (int64_t)StandardMetadataType::BUFFER_ID,
&output_buffer.handle_id);
if (err != gralloc::Error::NONE) {
DLOGE("Failed to retrieve buffer id");
}
output_buffer.acquire_fence = acquire_fence;
if (output_buffer.format == kFormatInvalid) {
DLOGW("Format %d is not supported by SDM", format);
return HWC2::Error::BadParameter;
} else if (!display_intf_->IsWriteBackSupportedFormat(output_buffer.format)) {
DLOGW("WB doesn't support color format : %s .", GetFormatString(output_buffer.format));
return HWC2::Error::BadParameter;
}
CwbConfig config = cwb_config;
LayerRect &roi = config.cwb_roi;
LayerRect &full_rect = config.cwb_full_rect;
CwbTapPoint &tap_point = config.tap_point;
LayerRect full_rect_with_window_rect = full_rect;
LayerRect cwb_roi_with_window_rect = roi;
full_rect_with_window_rect.left += window_rect_.left;
full_rect_with_window_rect.top += window_rect_.top;
full_rect_with_window_rect.right -= window_rect_.right;
full_rect_with_window_rect.bottom -= window_rect_.bottom;
cwb_roi_with_window_rect.left += window_rect_.left;
cwb_roi_with_window_rect.top += window_rect_.top;
cwb_roi_with_window_rect.right += window_rect_.left;
cwb_roi_with_window_rect.bottom += window_rect_.top;
if (windowed_display_ && (!(Contains(full_rect_with_window_rect, cwb_roi_with_window_rect)))) {
DLOGW("Requested CWB ROI is out of bounds");
return HWC2::Error::Unsupported;
}
DisplayError error = kErrorNone;
error = display_intf_->CaptureCwb(output_buffer, config);
if (error) {
DLOGE("CaptureCwb failed");
if (error == kErrorParameters) {
return HWC2::Error::BadParameter;
} else {
return HWC2::Error::Unsupported;
}
}
{
std::unique_lock<std::mutex> lock(cwb_mutex_);
cwb_buffer_map_.emplace(output_buffer.handle_id, client);
if (cwb_capture_status_map_[client].handle_id == output_buffer.handle_id) {
cwb_capture_status_map_.erase(client);
}
}
DLOGV_IF(kTagClient, "CWB config from client: tap_point %d, CWB ROI Rect(%f %f %f %f), "
"PU_as_CWB_ROI %d, Cwb full rect : (%f %f %f %f)", tap_point,
roi.left, roi.top, roi.right, roi.bottom, config.pu_as_cwb_roi,
full_rect.left, full_rect.top, full_rect.right, full_rect.bottom);
DLOGV_IF(kTagClient, "Successfully configured the output buffer: cwb_client %d", client);
return HWC2::Error::None;
}
CWBReleaseFenceError HWCDisplay::GetReadbackBufferFenceForClient(CWBClient client,
shared_ptr<Fence> *release_fence) {
if (client == kCWBClientNone) {
DLOGE("Invalid CWB client(%d) as argument detected!", client);
return kCWBReleaseFenceUnknownError;
}
if (!release_fence) {
DLOGE("Null storage for shared pointer of release_fence argument detected, for client: %d",
client);
return kCWBReleaseFenceUnknownError;
}
auto status = kCWBReleaseFenceErrorNone;
uint64_t handle_id = 0;
*release_fence = nullptr;
// If release fence is available, then try to get it first and keep it out of lock to avoid
// deadlock with GetOutputBufferAcquireFence call, and validate it later with handle id.
display_intf_->GetOutputBufferAcquireFence(release_fence);
{
std::unique_lock<std::mutex> lock(cwb_mutex_);
auto &cwb_resp = cwb_capture_status_map_[client];
if (cwb_resp.handle_id != 0) {
// If this function is called after either PostCommitLayerStack or NotifyCwbDone call,
// then release fence can be successfully retrieved from cwb_capture_status_map_.
handle_id = cwb_resp.handle_id;
if (cwb_resp.status != kCWBReleaseFenceNotChecked) {
*release_fence = cwb_resp.release_fence;
}
status = cwb_resp.status;
} else if (layer_stack_.output_buffer != nullptr) {
// If this function is called before both PostCommitLayerStack and NotifyCwbDone call,
// then handle_id may be retrieved directly from layer_stack_.output_buffer corresponding
// to available release fence.
const auto map_cwb_buffer = cwb_buffer_map_.find(layer_stack_.output_buffer->handle_id);
if (map_cwb_buffer != cwb_buffer_map_.end() && client == map_cwb_buffer->second) {
handle_id = layer_stack_.output_buffer->handle_id;
status = kCWBReleaseFenceNotChecked;
}
} else {
// If this function is called too early, then just need to check that cwb request is
// persisting, which helps to decide the return status.
for (auto [id, cl] : cwb_buffer_map_) {
if (cl == client) {
handle_id = id;
break;
}
}
// Avoid to return old release fence, in case of too early call of this function.
*release_fence = nullptr;
}
if (*release_fence != nullptr) {
// If release fence is successfully retrieved, then no need to keep buffer-client map
// for this fence any more.
cwb_buffer_map_.erase(handle_id);
cwb_capture_status_map_.erase(client);
}
}
if (handle_id != 0) {
if (*release_fence == nullptr) {
// If this function is called before commit call or during prepare call, and layer_stack
// output_buffer is configured, then need to call this function again after few
// milliseconds, such that commit could execute during this period to get updated
// release fence.
DLOGV_IF(kTagQDCM, "Need to wait for release fence, and retry to get it for client:%d, "
"buffer_id: %u", client, handle_id);
status = kCWBReleaseFencePending;
}
} else {
DLOGV_IF(kTagQDCM, "There is no anymore readback buffer fence available for client = %d.",
client);
status = kCWBReleaseFenceNotAvailable;
}
// Add logs out of sync locked section instead of inline at status update location to avoid
// unnecessary increment in latency for execution of another resource dependent threads.
if (status == kCWBReleaseFenceNotChecked || status == kCWBReleaseFenceWaitTimedOut) {
DLOGV_IF(kTagQDCM, "Fence is available, but either fence wait is timed-out, or "
"CWB Manager is not yet notified for client:%d, buffer_id: %u", client, handle_id);
} else if (status == kCWBReleaseFenceUnknownError) {
DLOGE("CWB Manager notified unknown error for client:%d, buffer_id: %u", client, handle_id);
}
return status;
}
HWC2::Error HWCDisplay::GetReadbackBufferFence(shared_ptr<Fence> *release_fence) {
auto status = HWC2::Error::None;
// Get the release fence for kCWBClientComposer only, because this function is designed for
// accessing through composer interface, for which, it is following standard prototype and
// return type provided by HWC2+ interface. According to HWC2+ interface, only two supported
// return types are provided, where one is HWC2::Error::None and another is
// HWC2::Error::Unsupported.
auto error = GetReadbackBufferFenceForClient(kCWBClientComposer, release_fence);
// if release fence is null pointer, then just return with error.
if (!release_fence || *release_fence == nullptr) {
status = HWC2::Error::Unsupported;
DLOGW("Readback buffer fence is not available! CWBReleaseFenceError: %d", error);
}
return status;
}
void HWCDisplay::HandleFrameOutput() {
// Block on output buffer fence if client is internal.
// External clients will wait on their thread.
CWBClient client = kCWBClientNone;
uint64_t handle_id = 0;
{
std::unique_lock<std::mutex> lock(cwb_mutex_);
if (layer_stack_.output_buffer != nullptr) {
handle_id = layer_stack_.output_buffer->handle_id;
const auto map_cwb_buffer = cwb_buffer_map_.find(handle_id);
if (map_cwb_buffer != cwb_buffer_map_.end()) {
client = map_cwb_buffer->second;
auto &cwb_resp = cwb_capture_status_map_[client];
cwb_resp.handle_id = handle_id;
cwb_resp.client = client;
cwb_resp.status = kCWBReleaseFenceNotChecked; // CWB request status is not yet notified
} else {
for (auto& [_, ccs] : cwb_capture_status_map_) {
if (ccs.handle_id == handle_id) {
client = ccs.client;
break;
}
}
}
} else {
for (auto& [_, ccs] : cwb_capture_status_map_) {
if (ccs.handle_id != 0) {
client = ccs.client;
handle_id = ccs.handle_id;
break;
}
}
}
}
if (client == kCWBClientColor) {
DLOGV_IF(kTagQDCM, "frame_capture_buffer_queued_ is in use. Handle frame capture.");
HandleFrameCapture();
} else if (client == kCWBClientFrameDump) {
DLOGV_IF(kTagQDCM, "dump_output_to_file is in use. Handle frame dump.");
HandleFrameDump();
}
}
void HWCDisplay::HandleFrameDump() {
if (!dump_frame_count_) {
return;
}
auto ret = kCWBReleaseFenceErrorNone;
{
std::unique_lock<std::mutex> lock(cwb_mutex_);
auto &cwb_resp = cwb_capture_status_map_[kCWBClientFrameDump];
// If CWB request status is not notified, then need to wait for the notification.
if (cwb_resp.status == kCWBReleaseFenceNotChecked) {
if (cwb_cv_.wait_until(
lock, std::chrono::system_clock::now() + std::chrono::milliseconds(kCwbWaitMs)) ==
std::cv_status::timeout) {
DLOGW("CWB notification wait timed out, it would be handled in next cycle.");
// Return to handle the notification in next cycle, if release fence is not yet notified.
return;
}
}
ret = cwb_resp.status;
cwb_capture_status_map_.erase(kCWBClientFrameDump);
}
if (!ret || ret == kCWBReleaseFenceWaitTimedOut) {
// On fence wait timeout, we could dump the frame, because timeout means it waited for
// one second for signal, and which might got delayed due to some flushing and resource
// releasing operations during certain power glitch event. So, we can assume that buffer
// writing operation is over after timeout.
DumpOutputBuffer(output_buffer_info_, output_buffer_base_, layer_stack_.retire_fence);
if (ret == kCWBReleaseFenceWaitTimedOut) {
DLOGW("CWB frame-%d dump may be empty due to fence timeout on any unexpected event!",
dump_frame_index_);
}
} else {
// CwbManager notifies -1 (unknown error) on power down or tear down, where -1 means, last
// request is not processed by CwbManager and tried to flush the CWB pending requests from
// CWB request queue.
DLOGW("Probably, power/tear down occured during the cwb request. So, dropped off frame-%d.",
dump_frame_index_);
}
bool stop_frame_dump = false;
if (0 == (dump_frame_count_ - 1)) {
stop_frame_dump = true;
} else {
const native_handle_t *hnd = static_cast<native_handle_t *>(output_buffer_info_.private_data);
HWC2::Error err = SetReadbackBuffer(hnd, nullptr, output_buffer_cwb_config_,
kCWBClientFrameDump);
if (err != HWC2::Error::None) {
stop_frame_dump = true;
DLOGE("Unexpectedly stopped dumping of remaining %d frames for frame indices %d onwards!",
dump_frame_count_, dump_frame_index_);
} else {
dump_frame_count_--;
dump_frame_index_++;
}
}
if (stop_frame_dump) {
dump_output_to_file_ = false;
// Unmap and Free buffer
if (munmap(output_buffer_base_, output_buffer_info_.alloc_buffer_info.size) != 0) {
DLOGE("unmap failed with err %d", errno);
}
if (buffer_allocator_->FreeBuffer(&output_buffer_info_) != 0) {
DLOGE("FreeBuffer failed");
}
output_buffer_info_ = {};
output_buffer_base_ = nullptr;
output_buffer_cwb_config_ = {};
dump_frame_count_ = 0;
dump_frame_index_ = 0;
}
}
DisplayError HWCDisplay::HandleQsyncState(const QsyncEventData &qsync_data) {
event_handler_->PerformQsyncCallback(id_, qsync_data.enabled,
qsync_data.refresh_rate,
qsync_data.qsync_refresh_rate);
return kErrorNone;
}
HWC2::Error HWCDisplay::GetClientTargetProperty(ClientTargetProperty *out_client_target_property) {
Layer *client_layer = client_target_->GetSDMLayer();
if (!client_layer->request.flags.update_format) {
return HWC2::Error::None;
}
int32_t format = 0;
uint64_t flags = 0;
auto err = buffer_allocator_->SetBufferInfo(client_layer->request.format, &format, &flags);
if (err) {
DLOGE("Invalid format: %s requested", GetFormatString(client_layer->request.format));
return HWC2::Error::BadParameter;
}
Dataspace dataspace;
DisplayError error = ColorMetadataToDataspace(client_layer->request.color_metadata, &dataspace);
if (error != kErrorNone) {
DLOGE("Invalid Dataspace requested: Primaries = %d Transfer = %d ds = %d",
client_layer->request.color_metadata.colorPrimaries,
client_layer->request.color_metadata.transfer, dataspace);
return HWC2::Error::BadParameter;
}
out_client_target_property->dataspace = dataspace;
out_client_target_property->pixelFormat =
(android::hardware::graphics::common::V1_2::PixelFormat)format;
return HWC2::Error::None;
}
void HWCDisplay::GetConfigInfo(std::map<uint32_t, DisplayConfigVariableInfo> *variable_config_map,
int *active_config_index, uint32_t *num_configs) {
*variable_config_map = variable_config_map_;
*active_config_index = active_config_index_;
*num_configs = num_configs_;
}
void HWCDisplay::NotifyCwbDone(int32_t status, const LayerBuffer& buffer) {
CWBClient client = kCWBClientNone;
uint64_t handle_id = buffer.handle_id;
{
std::unique_lock<std::mutex> lock(cwb_mutex_);
const auto map_cwb_buffer = cwb_buffer_map_.find(handle_id);
if (map_cwb_buffer == cwb_buffer_map_.end()) {
DLOGV_IF(kTagClient, "CWB Buffer(id = %u) not found in buffer-client map", handle_id);
return;
}
client = map_cwb_buffer->second;
auto &cwb_cap_status = cwb_capture_status_map_[client];
cwb_cap_status.handle_id = handle_id;
cwb_cap_status.client = client;
cwb_cap_status.release_fence = buffer.release_fence;
if (!status) {
cwb_cap_status.status = kCWBReleaseFenceSignaled;
} else if (status == -ETIME) {
cwb_cap_status.status = kCWBReleaseFenceWaitTimedOut;
} else {
cwb_cap_status.status = kCWBReleaseFenceUnknownError;
}
cwb_buffer_map_.erase(handle_id);
if (client == kCWBClientFrameDump || client == kCWBClientColor) {
cwb_cv_.notify_one();
} else if (client == kCWBClientExternal && event_handler_) {
// Clear the backup data like release fence and status corresponding to handle id,
// when successfully notified to client.
if (!event_handler_->NotifyCwbDone(id_, status, handle_id)) {
cwb_capture_status_map_.erase(client);
}
}
}
DLOGV_IF(kTagClient, "CWB notified for client = %d with buffer = %u, return status = %s(%d)",
client, handle_id, (!status) ? "Handled" : (status == -ETIME) ? "Timedout" : "Error",
status);
}
void HWCDisplay::Abort() {
display_intf_->Abort();
}
void HWCDisplay::MarkClientActive(bool is_client_up) {
is_client_up_ = is_client_up ;
}
} // namespace sdm