Introduce a Qt UI for RPCS3

rpcs3/rpcs3qt/.qmake.conf

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+# P is project dir, B is build dir
+P = $$PWD/..
+B = $$shadowed($$PWD)

rpcs3/rpcs3qt/glviewer.cpp

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+#include "glviewer.h"
+#include <QQuickWindow>
+#include <QOpenGLContext>
+#include <QSGSimpleTextureNode>
+#include <QCoreApplication>
+
+GLViewer::GLViewer(QQuickItem* parent)
+	: QQuickItem(parent),
+	  m_timerID(0),
+	  m_fbo(0)
+{
+	this->setFlag(QQuickItem::ItemHasContents);
+}
+
+GLViewer::~GLViewer()
+{
+	this->cleanup();
+}
+
+void GLViewer::timerEvent(QTimerEvent* evt)
+{
+	if (evt && evt->timerId() == m_timerID)
+		this->update();
+}
+
+QSGNode* GLViewer::updatePaintNode(QSGNode* node, UpdatePaintNodeData* data)
+{
+	QSGSimpleTextureNode* textureNode = static_cast<QSGSimpleTextureNode*>(node);
+	if (!textureNode)
+		textureNode = new QSGSimpleTextureNode();
+	// Push Qt state.
+	glPushClientAttrib(GL_CLIENT_ALL_ATTRIB_BITS);
+	glPushAttrib(GL_ALL_ATTRIB_BITS);
+	glMatrixMode(GL_TEXTURE);
+	glPushMatrix();
+	glLoadIdentity();
+	glMatrixMode(GL_PROJECTION);
+	glPushMatrix();
+	glMatrixMode(GL_MODELVIEW);
+	glPushMatrix();
+
+	glShadeModel(GL_FLAT);
+	glDisable(GL_CULL_FACE);
+	glDisable(GL_LIGHTING);
+	glDisable(GL_STENCIL_TEST);
+	glDisable(GL_DEPTH_TEST);
+	glEnable(GL_BLEND);
+	glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+
+	delete m_fbo;
+	m_fbo = 0;
+	int width = this->width();
+	int height = this->height();
+	if (width && height) {
+		m_fbo = new QOpenGLFramebufferObject(width, height);
+		textureNode->setTexture(this->window()->createTextureFromId(m_fbo->texture(), m_fbo->size()));
+	}
+	else
+	{
+		textureNode->setTexture(this->window()->createTextureFromId(0, QSize(0,0)));
+	}
+	textureNode->setRect(this->boundingRect());
+
+	if (m_fbo) {
+		m_fbo->bind();
+	}
+	// Restore (pop) Qt state.
+	glMatrixMode(GL_TEXTURE);
+	glPopMatrix();
+	glMatrixMode(GL_PROJECTION);
+	glPopMatrix();
+	glMatrixMode(GL_MODELVIEW);
+	glPopMatrix();
+	glPopAttrib();
+	glPopClientAttrib();
+
+	if (!m_timerID)
+		m_timerID = this->startTimer(16);
+
+	return textureNode;
+}
+
+void GLViewer::cleanup() {
+	this->killTimer(m_timerID);
+	m_timerID = 0;
+	if (m_fbo) {
+		delete m_fbo;
+		m_fbo = 0;
+	}
+}

rpcs3/rpcs3qt/glviewer.h

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+#pragma once
+
+#include <QQuickItem>
+#include <QOpenGLFramebufferObject>
+
+class GLViewer : public QQuickItem
+{
+    Q_OBJECT
+public:
+    GLViewer(QQuickItem* parent = 0);
+    virtual ~GLViewer();
+
+protected:
+    QSGNode* updatePaintNode(QSGNode* old, UpdatePaintNodeData* data);
+    void timerEvent(QTimerEvent* evt);
+
+private slots:
+    void cleanup();
+
+private:
+    int m_timerID;
+    QOpenGLFramebufferObject* m_fbo;
+};

rpcs3/rpcs3qt/main.cpp

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+// Qt5.1+ frontend implementation for rpcs3. Known to work on Windows, Linux, Mac
+// by Sacha Refshauge
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+#include "glviewer.h"
+
+int main(int argc, char *argv[])
+{
+	QGuiApplication app(argc, argv);
+
+	qmlRegisterType<GLViewer>("GLViewer", 1, 0, "GLViewer");
+	QQmlApplicationEngine engine(QUrl("qrc:/qml/main.qml"));
+
+	return app.exec();
+	Q_UNUSED(engine)
+}

rpcs3/rpcs3qt/qml.qrc

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+<RCC>
+    <qresource prefix="/">
+        <file>qml/main.qml</file>
+    </qresource>
+</RCC>

rpcs3/rpcs3qt/qml/main.qml

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+import QtQuick 2.1
+import QtQuick.Controls 1.0
+import QtQuick.Window 2.0
+import GLViewer 1.0
+
+ApplicationWindow {
+	visible: true
+	title: qsTr("RPCS3 Qt")
+	width: 500
+	height: 500
+	menuBar: MenuBar {
+		Menu {
+			title: qsTr("&Boot")
+			MenuItem { text: qsTr("&Boot Game...") }
+			MenuItem { text: qsTr("&Install PKG") }
+			MenuSeparator {}
+			MenuItem { text: qsTr("Boot &ELF") }
+			MenuItem { text: qsTr("Boot &SELF") }
+			MenuSeparator {}
+			MenuItem { text: qsTr("E\&xit"); onTriggered: Qt.quit() }
+		}
+		Menu {
+			title: qsTr("&System")
+			MenuItem { text: qsTr("&Pause") }
+			MenuItem { text: qsTr("&Stop") }
+			MenuSeparator {}
+			MenuItem { text: qsTr("Send '&Open System Menu' command") }
+			MenuItem { text: qsTr("Send 'E&xit' command") }
+		}
+		Menu {
+			title: qsTr("&Config")
+			MenuItem { text: qsTr("&Settings") }
+			MenuSeparator {}
+			MenuItem { text: qsTr("Virtual &File System Manager") }
+			MenuItem { text: qsTr("Virtual &HDD Manager") }
+		}
+		Menu {
+			title: qsTr("&Tools")
+			MenuItem { text: qsTr("&ELF Compiler") }
+			MenuItem { text: qsTr("&Memory Viewer") }
+		}
+		Menu {
+			title: qsTr("&Help")
+			MenuItem { text: qsTr("&About...") }
+		}
+	}
+	GLViewer {
+		anchors.fill: parent
+		Rectangle {
+			color: Qt.rgba(0, 0.5, 0.35);
+			height: Math.round(parent.height / 2)
+			width: height
+			radius: width
+			anchors.centerIn: parent
+			Text {
+				anchors.centerIn: parent
+				font.pixelSize: parent.height / 2
+				text: "Qt"
+			}
+		}
+	}
+}

rpcs3/rpcs3qt/rpcs3qt.pro

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+# Qt5.1+ project for rpcs3. Works on Windows, Linux and Mac OSX
+QT += gui opengl quick
+CONFIG += c++11
+
+# Qt UI
+SOURCES += $$P/rpcs3qt/*.cpp
+HEADERS += $$P/rpcs3qt/*.h
+
+# RPCS3
+HEADERS += $$P/stdafx.h
+INCLUDEPATH += $$P $$P/..
+DEFINES += QT_UI
+
+# Installation path
+# target.path =
+
+OTHER_FILES += $$P/rpcs3qt/qml/*
+
+RESOURCES += $$P/rpcs3qt/qml.qrc