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// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <unordered_map>
#include <QBuffer>
#include <QByteArray>
#include <QGraphicsOpacityEffect>
#include <QIODevice>
#include <QImage>
#include <QPainter>
#include <QPixmap>
#include <QPropertyAnimation>
#include <QStyleOption>
#include "core/frontend/framebuffer_layout.h"
#include "core/loader/loader.h"
#include "ui_loading_screen.h"
#include "video_core/rasterizer_interface.h"
#include "yuzu/loading_screen.h"
// Mingw seems to not have QMovie at all. If QMovie is missing then use a single frame instead of an
// showing the full animation
#if !YUZU_QT_MOVIE_MISSING
#include <QMovie>
#endif
constexpr char PROGRESSBAR_STYLE_PREPARE[] = R"(
QProgressBar {}
QProgressBar::chunk {})";
constexpr char PROGRESSBAR_STYLE_BUILD[] = R"(
QProgressBar {
background-color: black;
border: 2px solid white;
border-radius: 4px;
padding: 2px;
}
QProgressBar::chunk {
background-color: #ff3c28;
width: 1px;
})";
constexpr char PROGRESSBAR_STYLE_COMPLETE[] = R"(
QProgressBar {
background-color: #0ab9e6;
border: 2px solid white;
border-radius: 4px;
padding: 2px;
}
QProgressBar::chunk {
background-color: #ff3c28;
})";
LoadingScreen::LoadingScreen(QWidget* parent)
: QWidget(parent), ui(std::make_unique<Ui::LoadingScreen>()),
previous_stage(VideoCore::LoadCallbackStage::Complete) {
ui->setupUi(this);
setMinimumSize(Layout::MinimumSize::Width, Layout::MinimumSize::Height);
// 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>();
stage_translations = {
{VideoCore::LoadCallbackStage::Prepare, tr("Loading...")},
{VideoCore::LoadCallbackStage::Build, tr("Loading Shaders %1 / %2")},
{VideoCore::LoadCallbackStage::Complete, tr("Launching...")},
};
progressbar_style = {
{VideoCore::LoadCallbackStage::Prepare, PROGRESSBAR_STYLE_PREPARE},
{VideoCore::LoadCallbackStage::Build, PROGRESSBAR_STYLE_BUILD},
{VideoCore::LoadCallbackStage::Complete, PROGRESSBAR_STYLE_COMPLETE},
};
}
LoadingScreen::~LoadingScreen() = default;
void LoadingScreen::Prepare(Loader::AppLoader& loader) {
std::vector<u8> buffer;
if (loader.ReadBanner(buffer) == Loader::ResultStatus::Success) {
#ifdef YUZU_QT_MOVIE_MISSING
QPixmap map;
map.loadFromData(buffer.data(), buffer.size());
ui->banner->setPixmap(map);
#else
backing_mem = std::make_unique<QByteArray>(reinterpret_cast<char*>(buffer.data()),
static_cast<int>(buffer.size()));
backing_buf = std::make_unique<QBuffer>(backing_mem.get());
backing_buf->open(QIODevice::ReadOnly);
animation = std::make_unique<QMovie>(backing_buf.get(), QByteArray());
animation->start();
ui->banner->setMovie(animation.get());
#endif
buffer.clear();
}
if (loader.ReadLogo(buffer) == Loader::ResultStatus::Success) {
QPixmap map;
map.loadFromData(buffer.data(), static_cast<uint>(buffer.size()));
ui->logo->setPixmap(map);
}
slow_shader_compile_start = 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 = steady_clock::now();
// reset the timer if the stage changes
if (stage != previous_stage) {
ui->progress_bar->setStyleSheet(QString::fromUtf8(progressbar_style[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;
// reset back to fast shader compiling since the stage changed
slow_shader_compile_start = false;
}
// 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;
}
// Reset the progress bar ranges if compilation is done
if (stage == VideoCore::LoadCallbackStage::Complete) {
ui->progress_bar->setRange(0, 0);
}
QString estimate;
// If theres a drastic slowdown in the rate, then display an estimate
if (now - previous_time > milliseconds{50} || slow_shader_compile_start) {
if (!slow_shader_compile_start) {
slow_shader_start = steady_clock::now();
slow_shader_compile_start = true;
slow_shader_first_value = value;
}
// only calculate an estimate time after a second has passed since stage change
const auto diff = duration_cast<milliseconds>(now - slow_shader_start);
if (diff > seconds{1}) {
const auto eta_mseconds =
static_cast<long>(static_cast<double>(total - slow_shader_first_value) /
(value - slow_shader_first_value) * diff.count());
estimate =
tr("Estimated Time %1")
.arg(QTime(0, 0, 0, 0)
.addMSecs(std::max<long>(eta_mseconds - diff.count() + 1000, 1000))
.toString(QStringLiteral("mm:ss")));
}
}
// update labels and progress bar
if (stage == VideoCore::LoadCallbackStage::Build) {
ui->stage->setText(stage_translations[stage].arg(value).arg(total));
} else {
ui->stage->setText(stage_translations[stage]);
}
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() {
#ifndef YUZU_QT_MOVIE_MISSING
animation.reset();
backing_buf.reset();
backing_mem.reset();
#endif
}
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