summaryrefslogtreecommitdiffstats
path: root/src/citra_qt/bootmanager.cpp
blob: 9d36364ddb3a426ae91ed276ade2cea04484d9d9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
#include <QHBoxLayout>
#include <QKeyEvent>
#include <QApplication>

#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
// Required for screen DPI information
#include <QScreen>
#include <QWindow>
#endif

#include "bootmanager.h"
#include "main.h"

#include "common/string_util.h"
#include "common/scm_rev.h"
#include "common/key_map.h"

#include "core/core.h"
#include "core/settings.h"
#include "core/system.h"

#include "video_core/debug_utils/debug_utils.h"

#include "video_core/video_core.h"

#include "citra_qt/version.h"

#define APP_NAME        "citra"
#define APP_VERSION     "0.1-" VERSION
#define APP_TITLE       APP_NAME " " APP_VERSION
#define COPYRIGHT       "Copyright (C) 2013-2014 Citra Team"

EmuThread::EmuThread(GRenderWindow* render_window) :
    exec_step(false), running(false), stop_run(false), render_window(render_window) {
}

void EmuThread::run() {
    render_window->MakeCurrent();

    stop_run = false;

    // holds whether the cpu was running during the last iteration,
    // so that the DebugModeLeft signal can be emitted before the
    // next execution step
    bool was_active = false;
    while (!stop_run) {
        if (running) {
            if (!was_active)
                emit DebugModeLeft();

            Core::RunLoop();

            was_active = running || exec_step;
            if (!was_active && !stop_run)
                emit DebugModeEntered();
        } else if (exec_step) {
            if (!was_active)
                emit DebugModeLeft();

            exec_step = false;
            Core::SingleStep();
            emit DebugModeEntered();
            yieldCurrentThread();

            was_active = false;
        } else {
            std::unique_lock<std::mutex> lock(running_mutex);
            running_cv.wait(lock, [this]{ return IsRunning() || stop_run; });
        }
    }

    render_window->moveContext();
}

// This class overrides paintEvent and resizeEvent to prevent the GUI thread from stealing GL context.
// The corresponding functionality is handled in EmuThread instead
class GGLWidgetInternal : public QGLWidget
{
public:
    GGLWidgetInternal(QGLFormat fmt, GRenderWindow* parent)
                     : QGLWidget(fmt, parent), parent(parent) {
    }

    void paintEvent(QPaintEvent* ev) override {
    }

    void resizeEvent(QResizeEvent* ev) override {
        parent->OnClientAreaResized(ev->size().width(), ev->size().height());
        parent->OnFramebufferSizeChanged();
    }

private:
    GRenderWindow* parent;
};

GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread) :
    QWidget(parent), emu_thread(emu_thread), keyboard_id(0) {

    std::string window_title = Common::StringFromFormat("Citra | %s-%s", Common::g_scm_branch, Common::g_scm_desc);
    setWindowTitle(QString::fromStdString(window_title));

    keyboard_id = KeyMap::NewDeviceId();
    ReloadSetKeymaps();

    // TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground, WA_DontShowOnScreen, WA_DeleteOnClose
    QGLFormat fmt;
    fmt.setVersion(3,2);
    fmt.setProfile(QGLFormat::CoreProfile);
    // Requests a forward-compatible context, which is required to get a 3.2+ context on OS X
    fmt.setOption(QGL::NoDeprecatedFunctions);

    child = new GGLWidgetInternal(fmt, this);
    QBoxLayout* layout = new QHBoxLayout(this);

    resize(VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight + VideoCore::kScreenBottomHeight);
    layout->addWidget(child);
    layout->setMargin(0);
    setLayout(layout);

    OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);

    OnFramebufferSizeChanged();
    NotifyClientAreaSizeChanged(std::pair<unsigned,unsigned>(child->width(), child->height()));

    BackupGeometry();

#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
    connect(this->windowHandle(), SIGNAL(screenChanged(QScreen*)), this, SLOT(OnFramebufferSizeChanged()));
#endif
}

void GRenderWindow::moveContext()
{
    DoneCurrent();
    // We need to move GL context to the swapping thread in Qt5
#if QT_VERSION > QT_VERSION_CHECK(5, 0, 0)
    // If the thread started running, move the GL Context to the new thread. Otherwise, move it back.
    auto thread = (QThread::currentThread() == qApp->thread() && emu_thread != nullptr) ? emu_thread : qApp->thread();
    child->context()->moveToThread(thread);
#endif
}

void GRenderWindow::SwapBuffers()
{
#if !defined(QT_NO_DEBUG)
    // Qt debug runtime prints a bogus warning on the console if you haven't called makeCurrent
    // since the last time you called swapBuffers. This presumably means something if you're using
    // QGLWidget the "regular" way, but in our multi-threaded use case is harmless since we never
    // call doneCurrent in this thread.
    child->makeCurrent();
#endif
    child->swapBuffers();
}

void GRenderWindow::MakeCurrent()
{
    child->makeCurrent();
}

void GRenderWindow::DoneCurrent()
{
    child->doneCurrent();
}

void GRenderWindow::PollEvents() {
}

// On Qt 5.0+, this correctly gets the size of the framebuffer (pixels).
//
// Older versions get the window size (density independent pixels),
// and hence, do not support DPI scaling ("retina" displays).
// The result will be a viewport that is smaller than the extent of the window.
void GRenderWindow::OnFramebufferSizeChanged()
{
    // Screen changes potentially incur a change in screen DPI, hence we should update the framebuffer size
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
    // windowHandle() might not be accessible until the window is displayed to screen.
    auto pixel_ratio = windowHandle() ? (windowHandle()->screen()->devicePixelRatio()) : 1.0;

    unsigned width = child->QPaintDevice::width() * pixel_ratio;
    unsigned height = child->QPaintDevice::height() * pixel_ratio;
#else
    unsigned width = child->QPaintDevice::width();
    unsigned height = child->QPaintDevice::height();
#endif

    NotifyFramebufferLayoutChanged(EmuWindow::FramebufferLayout::DefaultScreenLayout(width, height));
}

void GRenderWindow::BackupGeometry()
{
    geometry = ((QGLWidget*)this)->saveGeometry();
}

void GRenderWindow::RestoreGeometry()
{
    // We don't want to back up the geometry here (obviously)
    QWidget::restoreGeometry(geometry);
}

void GRenderWindow::restoreGeometry(const QByteArray& geometry)
{
    // Make sure users of this class don't need to deal with backing up the geometry themselves
    QWidget::restoreGeometry(geometry);
    BackupGeometry();
}

QByteArray GRenderWindow::saveGeometry()
{
    // If we are a top-level widget, store the current geometry
    // otherwise, store the last backup
    if (parent() == nullptr)
        return ((QGLWidget*)this)->saveGeometry();
    else
        return geometry;
}

void GRenderWindow::keyPressEvent(QKeyEvent* event)
{
    this->KeyPressed({event->key(), keyboard_id});
}

void GRenderWindow::keyReleaseEvent(QKeyEvent* event)
{
    this->KeyReleased({event->key(), keyboard_id});
}

void GRenderWindow::mousePressEvent(QMouseEvent *event)
{
    if (event->button() == Qt::LeftButton)
    {
        auto pos = event->pos();
        this->TouchPressed(static_cast<unsigned>(pos.x()), static_cast<unsigned>(pos.y()));
    }
}

void GRenderWindow::mouseMoveEvent(QMouseEvent *event)
{
    auto pos = event->pos();
    this->TouchMoved(static_cast<unsigned>(std::max(pos.x(), 0)), static_cast<unsigned>(std::max(pos.y(), 0)));
}

void GRenderWindow::mouseReleaseEvent(QMouseEvent *event)
{
    if (event->button() == Qt::LeftButton)
        this->TouchReleased();
}

void GRenderWindow::ReloadSetKeymaps()
{
    KeyMap::SetKeyMapping({Settings::values.pad_a_key,      keyboard_id}, Service::HID::PAD_A);
    KeyMap::SetKeyMapping({Settings::values.pad_b_key,      keyboard_id}, Service::HID::PAD_B);
    KeyMap::SetKeyMapping({Settings::values.pad_select_key, keyboard_id}, Service::HID::PAD_SELECT);
    KeyMap::SetKeyMapping({Settings::values.pad_start_key,  keyboard_id}, Service::HID::PAD_START);
    KeyMap::SetKeyMapping({Settings::values.pad_dright_key, keyboard_id}, Service::HID::PAD_RIGHT);
    KeyMap::SetKeyMapping({Settings::values.pad_dleft_key,  keyboard_id}, Service::HID::PAD_LEFT);
    KeyMap::SetKeyMapping({Settings::values.pad_dup_key,    keyboard_id}, Service::HID::PAD_UP);
    KeyMap::SetKeyMapping({Settings::values.pad_ddown_key,  keyboard_id}, Service::HID::PAD_DOWN);
    KeyMap::SetKeyMapping({Settings::values.pad_r_key,      keyboard_id}, Service::HID::PAD_R);
    KeyMap::SetKeyMapping({Settings::values.pad_l_key,      keyboard_id}, Service::HID::PAD_L);
    KeyMap::SetKeyMapping({Settings::values.pad_x_key,      keyboard_id}, Service::HID::PAD_X);
    KeyMap::SetKeyMapping({Settings::values.pad_y_key,      keyboard_id}, Service::HID::PAD_Y);

    KeyMap::SetKeyMapping({Settings::values.pad_zl_key,     keyboard_id}, Service::HID::PAD_ZL);
    KeyMap::SetKeyMapping({Settings::values.pad_zr_key,     keyboard_id}, Service::HID::PAD_ZR);

    // KeyMap::SetKeyMapping({Settings::values.pad_touch_key,  keyboard_id}, Service::HID::PAD_TOUCH);

    KeyMap::SetKeyMapping({Settings::values.pad_cright_key, keyboard_id}, Service::HID::PAD_C_RIGHT);
    KeyMap::SetKeyMapping({Settings::values.pad_cleft_key,  keyboard_id}, Service::HID::PAD_C_LEFT);
    KeyMap::SetKeyMapping({Settings::values.pad_cup_key,    keyboard_id}, Service::HID::PAD_C_UP);
    KeyMap::SetKeyMapping({Settings::values.pad_cdown_key,  keyboard_id}, Service::HID::PAD_C_DOWN);
    KeyMap::SetKeyMapping({Settings::values.pad_sright_key, keyboard_id}, Service::HID::PAD_CIRCLE_RIGHT);
    KeyMap::SetKeyMapping({Settings::values.pad_sleft_key,  keyboard_id}, Service::HID::PAD_CIRCLE_LEFT);
    KeyMap::SetKeyMapping({Settings::values.pad_sup_key,    keyboard_id}, Service::HID::PAD_CIRCLE_UP);
    KeyMap::SetKeyMapping({Settings::values.pad_sdown_key,  keyboard_id}, Service::HID::PAD_CIRCLE_DOWN);
}

void GRenderWindow::OnClientAreaResized(unsigned width, unsigned height)
{
    NotifyClientAreaSizeChanged(std::make_pair(width, height));
}

void GRenderWindow::OnMinimalClientAreaChangeRequest(const std::pair<unsigned,unsigned>& minimal_size) {
    setMinimumSize(minimal_size.first, minimal_size.second);
}

void GRenderWindow::OnEmulationStarting(EmuThread* emu_thread) {
    this->emu_thread = emu_thread;
}

void GRenderWindow::OnEmulationStopping() {
    emu_thread = nullptr;
}