1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#pragma once
  7
  8#if defined(BUILD_GL) || defined(BUILD_GLES2)
  9
 10#include "Display.h"
 11
 12#ifdef USE_EPOXY
 13#include <epoxy/gl.h>
 14#ifndef GLdouble
 15#define GLdouble GLdouble
 16#endif
 17#endif
 18
 19#include <QElapsedTimer>
 20#include <QOpenGLContext>
 21#include <QList>
 22#include <QMouseEvent>
 23#include <QPainter>
 24#include <QQueue>
 25#include <QThread>
 26#include <QTimer>
 27
 28#include "VideoProxy.h"
 29
 30#include "platform/video-backend.h"
 31
 32namespace QGBA {
 33
 34class PainterGL;
 35class DisplayGL : public Display {
 36Q_OBJECT
 37
 38public:
 39	DisplayGL(const QSurfaceFormat& format, QWidget* parent = nullptr);
 40	~DisplayGL();
 41
 42	void startDrawing(std::shared_ptr<CoreController>) override;
 43	bool isDrawing() const override { return m_isDrawing; }
 44	bool supportsShaders() const override;
 45	VideoShader* shaders() override;
 46	void setVideoProxy(std::shared_ptr<VideoProxy>) override;
 47	int framebufferHandle() override;
 48
 49public slots:
 50	void stopDrawing() override;
 51	void pauseDrawing() override;
 52	void unpauseDrawing() override;
 53	void forceDraw() override;
 54	void lockAspectRatio(bool lock) override;
 55	void lockIntegerScaling(bool lock) override;
 56	void interframeBlending(bool enable) override;
 57	void filter(bool filter) override;
 58	void framePosted() override;
 59	void setShaders(struct VDir*) override;
 60	void clearShaders() override;
 61	void resizeContext() override;
 62
 63protected:
 64	virtual void paintEvent(QPaintEvent*) override { forceDraw(); }
 65	virtual void resizeEvent(QResizeEvent*) override;
 66
 67private:
 68	void resizePainter();
 69
 70	bool m_isDrawing = false;
 71	QOpenGLContext* m_gl;
 72	PainterGL* m_painter;
 73	QThread* m_drawThread = nullptr;
 74	std::shared_ptr<CoreController> m_context;
 75};
 76
 77class PainterGL : public QObject {
 78Q_OBJECT
 79
 80public:
 81	PainterGL(QWindow* surface, QOpenGLContext* parent, int forceVersion = 0);
 82	~PainterGL();
 83
 84	void setContext(std::shared_ptr<CoreController>);
 85	void setMessagePainter(MessagePainter*);
 86	void enqueue(const uint32_t* backing);
 87
 88	bool supportsShaders() const { return m_supportsShaders; }
 89
 90	void setVideoProxy(std::shared_ptr<VideoProxy>);
 91
 92public slots:
 93	void forceDraw();
 94	void draw();
 95	void start();
 96	void stop();
 97	void pause();
 98	void unpause();
 99	void resize(const QSize& size);
100	void lockAspectRatio(bool lock);
101	void lockIntegerScaling(bool lock);
102	void interframeBlending(bool enable);
103	void filter(bool filter);
104	void resizeContext();
105
106	void setShaders(struct VDir*);
107	void clearShaders();
108	VideoShader* shaders();
109
110	int glTex();
111
112private:
113	void performDraw();
114	void dequeue();
115	void dequeueAll();
116
117	QList<uint32_t*> m_free;
118	QQueue<uint32_t*> m_queue;
119	QPainter m_painter;
120	QMutex m_mutex;
121	QWindow* m_surface;
122	QPaintDevice* m_window;
123	QOpenGLContext* m_gl;
124	bool m_active = false;
125	bool m_started = false;
126	std::shared_ptr<CoreController> m_context = nullptr;
127	bool m_supportsShaders;
128	VideoShader m_shader{};
129	VideoBackend* m_backend = nullptr;
130	QSize m_size;
131	MessagePainter* m_messagePainter = nullptr;
132	QElapsedTimer m_delayTimer;
133	std::shared_ptr<VideoProxy> m_videoProxy;
134};
135
136}
137
138#endif