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// Copyright 2020 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <unordered_map>
#include <QGraphicsOpacityEffect>
#include <QImage>
#include <QLabel>
#include <QPainter>
#include <QPixmap>
#include <QProgressBar>
#include <QPropertyAnimation>
#include <QString>
#include <QStyleOption>
#include <QTime>
#include <fmt/format.h>
#include "citra_qt/loading_screen.h"
#include "common/logging/log.h"
#include "core/loader/loader.h"
#include "core/loader/smdh.h"
#include "ui_loading_screen.h"
#include "video_core/rasterizer_interface.h"
constexpr char PROGRESSBAR_STYLE_PREPARE[] = R"(
QProgressBar {}
QProgressBar::chunk {})";
constexpr char PROGRESSBAR_STYLE_DECOMPILE[] = R"(
QProgressBar {
background-color: black;
border: 2px solid white;
border-radius: 4px;
padding: 2px;
}
QProgressBar::chunk {
background-color: #fd8507;
width: 1px;
})";
constexpr char PROGRESSBAR_STYLE_BUILD[] = R"(
QProgressBar {
background-color: black;
border: 2px solid white;
border-radius: 4px;
padding: 2px;
}
QProgressBar::chunk {
background-color: #ffe402;
width: 1px;
})";
constexpr char PROGRESSBAR_STYLE_COMPLETE[] = R"(
QProgressBar {
background-color: #fd8507;
border: 2px solid white;
border-radius: 4px;
padding: 2px;
}
QProgressBar::chunk {
background-color: #ffe402;
})";
// Definitions for the differences in text and styling for each stage
const static std::unordered_map<VideoCore::LoadCallbackStage, const char*> stage_translations{
{VideoCore::LoadCallbackStage::Prepare, QT_TRANSLATE_NOOP("LoadingScreen", "Loading...")},
{VideoCore::LoadCallbackStage::Preload,
QT_TRANSLATE_NOOP("LoadingScreen", "Preloading Textures %1 / %2")},
{VideoCore::LoadCallbackStage::Decompile,
QT_TRANSLATE_NOOP("LoadingScreen", "Preparing Shaders %1 / %2")},
{VideoCore::LoadCallbackStage::Build,
QT_TRANSLATE_NOOP("LoadingScreen", "Loading Shaders %1 / %2")},
{VideoCore::LoadCallbackStage::Complete, QT_TRANSLATE_NOOP("LoadingScreen", "Launching...")},
};
const static std::unordered_map<VideoCore::LoadCallbackStage, const char*> progressbar_style{
{VideoCore::LoadCallbackStage::Prepare, PROGRESSBAR_STYLE_PREPARE},
{VideoCore::LoadCallbackStage::Preload, PROGRESSBAR_STYLE_BUILD},
{VideoCore::LoadCallbackStage::Decompile, PROGRESSBAR_STYLE_DECOMPILE},
{VideoCore::LoadCallbackStage::Build, PROGRESSBAR_STYLE_BUILD},
{VideoCore::LoadCallbackStage::Complete, PROGRESSBAR_STYLE_COMPLETE},
};
static QPixmap GetQPixmapFromSMDH(std::vector<u8>& smdh_data) {
Loader::SMDH smdh;
std::memcpy(&smdh, smdh_data.data(), sizeof(Loader::SMDH));
bool large = true;
std::vector<u16> icon_data = smdh.GetIcon(large);
const uchar* data = reinterpret_cast<const uchar*>(icon_data.data());
int size = large ? 48 : 24;
QImage icon(data, size, size, QImage::Format::Format_RGB16);
return QPixmap::fromImage(icon);
}
LoadingScreen::LoadingScreen(QWidget* parent)
: QWidget(parent), ui(std::make_unique<Ui::LoadingScreen>()),
previous_stage(VideoCore::LoadCallbackStage::Complete) {
ui->setupUi(this);
setMinimumSize(400, 240);
// Create a fade out effect to hide this loading screen widget.
// When fading opacity, it will fade to the parent widgets background color, which is why we
// create an internal widget named fade_widget that we use the effect on, while keeping the
// loading screen widget's background color black. This way we can create a fade to black effect
opacity_effect = new QGraphicsOpacityEffect(this);
opacity_effect->setOpacity(1);
ui->fade_parent->setGraphicsEffect(opacity_effect);
fadeout_animation = std::make_unique<QPropertyAnimation>(opacity_effect, "opacity");
fadeout_animation->setDuration(500);
fadeout_animation->setStartValue(1);
fadeout_animation->setEndValue(0);
fadeout_animation->setEasingCurve(QEasingCurve::OutBack);
// After the fade completes, hide the widget and reset the opacity
connect(fadeout_animation.get(), &QPropertyAnimation::finished, [this] {
hide();
opacity_effect->setOpacity(1);
emit Hidden();
});
connect(this, &LoadingScreen::LoadProgress, this, &LoadingScreen::OnLoadProgress,
Qt::QueuedConnection);
qRegisterMetaType<VideoCore::LoadCallbackStage>();
}
LoadingScreen::~LoadingScreen() = default;
void LoadingScreen::Prepare(Loader::AppLoader& loader) {
std::vector<u8> buffer;
// TODO when banner becomes supported, decode it and add it as a movie
if (loader.ReadIcon(buffer) == Loader::ResultStatus::Success) {
QPixmap icon = GetQPixmapFromSMDH(buffer);
ui->icon->setPixmap(icon);
} else {
ui->icon->clear();
}
std::string title;
if (loader.ReadTitle(title) != Loader::ResultStatus::Success) {
u64 program_id;
if (loader.ReadProgramId(program_id) == Loader::ResultStatus::Success) {
title = fmt::format("{:016x}", program_id);
}
}
ui->title->setText(tr("Now Loading\n%1").arg(QString::fromStdString(title)));
eta_shown = false;
OnLoadProgress(VideoCore::LoadCallbackStage::Prepare, 0, 0);
}
void LoadingScreen::OnLoadComplete() {
fadeout_animation->start(QPropertyAnimation::KeepWhenStopped);
}
void LoadingScreen::OnLoadProgress(VideoCore::LoadCallbackStage stage, std::size_t value,
std::size_t total) {
using namespace std::chrono;
const auto now = high_resolution_clock::now();
// reset the timer if the stage changes
if (stage != previous_stage) {
ui->progress_bar->setStyleSheet(QString::fromUtf8(progressbar_style.at(stage)));
// Hide the progress bar during the prepare stage
if (stage == VideoCore::LoadCallbackStage::Prepare) {
ui->progress_bar->hide();
} else {
ui->progress_bar->show();
}
previous_stage = stage;
}
// update the max of the progress bar if the number of shaders change
if (total != previous_total) {
ui->progress_bar->setMaximum(static_cast<int>(total));
previous_total = total;
}
// calculate a simple rolling average after the first shader is loaded
if (value > 0) {
rolling_average -= rolling_average / NumberOfDataPoints;
rolling_average += (now - previous_time) / NumberOfDataPoints;
}
QString estimate;
// After 25 shader load times were put into the rolling average, determine if the ETA is long
// enough to show it
if (value > NumberOfDataPoints &&
(eta_shown || rolling_average * (total - value) > ETABreakPoint)) {
if (!eta_shown) {
eta_shown = true;
}
const auto eta_mseconds = std::chrono::duration_cast<std::chrono::milliseconds>(
rolling_average * (total - value));
const auto limited_mseconds = std::max<long>(eta_mseconds.count(), 1000);
estimate = tr("Estimated Time %1")
.arg(QTime(0, 0, 0, 0)
.addMSecs(static_cast<int>(limited_mseconds))
.toString(QStringLiteral("mm:ss")));
}
// update labels and progress bar
const auto& stg = tr(stage_translations.at(stage));
if (stage == VideoCore::LoadCallbackStage::Decompile ||
stage == VideoCore::LoadCallbackStage::Build ||
stage == VideoCore::LoadCallbackStage::Preload) {
ui->stage->setText(stg.arg(value).arg(total));
} else {
ui->stage->setText(stg);
}
ui->value->setText(estimate);
ui->progress_bar->setValue(static_cast<int>(value));
previous_time = now;
}
void LoadingScreen::paintEvent(QPaintEvent* event) {
QStyleOption opt;
opt.initFrom(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
QWidget::paintEvent(event);
}
void LoadingScreen::Clear() {}
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