source/src/qt/gui/draw_thread.cpp

   1 /*
   2         Skelton for retropc emulator
   3         Author : Takeda.Toshiya
   4         Port to Qt : K.Ohta <whatisthis.sowhat _at_ gmail.com>
   5         Date   : 2006.08.18 -
   6         License : GPLv2
   7         History : 2015.11.10 Split from qt_main.cpp
   8         [ win32 main ] -> [ Qt main ] -> [Drawing]
   9 */
  10
  11 #include <Qt>
  12 #include <QApplication>
  13 #include <QImage>
  14 #include <QGuiApplication>
  15
  16 #include <SDL.h>
  17 #include "emu.h"
  18 #include "osd.h"
  19 #include "vm/vm.h"
  20
  21 #include "qt_main.h"
  22 #include "agar_logger.h"
  23 #include "mainwidget_base.h"
  24 #include "draw_thread.h"
  25 #include "qt_glutil_gl2_0.h"
  26
  27 DrawThreadClass::DrawThreadClass(EMU *p, OSD *o, QObject *parent) : QThread(parent) {
  28         MainWindow = (Ui_MainWindowBase *)parent;
  29         glv = MainWindow->getGraphicsView();
  30         p_emu = emu;
  31         p_osd = o;
  32         screen = QGuiApplication::primaryScreen();
  33
  34         draw_screen_buffer = NULL;
  35
  36         do_change_refresh_rate(screen->refreshRate());
  37         connect(screen, SIGNAL(refreshRateChanged(qreal)), this, SLOT(do_change_refresh_rate(qreal)));
  38         connect(this, SIGNAL(sig_update_screen(bitmap_t *)), glv, SLOT(update_screen(bitmap_t *)));
  39         connect(this, SIGNAL(sig_push_frames_to_avio(int, int, int)), glv->extfunc, SLOT(paintGL_OffScreen(int, int, int)));
  40         rec_frame_width = 640;
  41         rec_frame_height = 480;
  42         rec_frame_count = -1;
  43
  44         bDrawReq = false;
  45 }
  46
  47 DrawThreadClass::~DrawThreadClass()
  48 {
  49 }
  50
  51 void DrawThreadClass::SetEmu(EMU *p)
  52 {
  53                 p_emu = p;
  54                 p_osd = p->get_osd();
  55 }
  56
  57
  58 void DrawThreadClass::doDraw(bool flag)
  59 {
  60         QImage *p;
  61         if(flag) {
  62                 emit sig_draw_timing(true);
  63                 draw_frames = p_osd->draw_screen();
  64         } else {
  65                 draw_frames = 1;
  66         }
  67         emit sig_draw_frames(draw_frames);
  68 }
  69
  70 void DrawThreadClass::doExit(void)
  71 {
  72         //AGAR_DebugLog(AGAR_LOG_DEBUG, "DrawThread : Exit.");
  73         bRunThread = false;
  74         //this->exit(0);
  75 }
  76
  77 void DrawThreadClass::doWork(const QString &param)
  78 {
  79         bRunThread = true;
  80         do {
  81                 if(bDrawReq) {
  82                         if(draw_screen_buffer != NULL) {
  83                                 bDrawReq = false;
  84                                 emit sig_update_screen(draw_screen_buffer);
  85                         }
  86                 }
  87                 if(rec_frame_count > 0) {
  88                         emit sig_push_frames_to_avio(rec_frame_count,
  89                                                                                  rec_frame_width, rec_frame_height);
  90                         rec_frame_count = -1;
  91                 }
  92                 if(wait_count < 1.0f) {
  93                         msleep(1);
  94                         wait_count = wait_count + wait_refresh - 1.0f;
  95                 } else {
  96                         wait_factor = (int)wait_count;
  97                         msleep(wait_factor);
  98                         wait_count -= (qreal)wait_factor;
  99                 }
 100         } while(bRunThread);
 101         AGAR_DebugLog(AGAR_LOG_DEBUG, "DrawThread : Exit.");
 102         this->exit(0);
 103 }
 104
 105 void DrawThreadClass::do_change_refresh_rate(qreal rate)
 106 {
 107         refresh_rate = rate;
 108         wait_refresh = 1000.0f / (refresh_rate * 2.0);
 109         wait_count = wait_refresh * 1.0;
 110 }
 111
 112 void DrawThreadClass::do_update_screen(bitmap_t *p)
 113 {
 114         draw_screen_buffer = p;
 115         bDrawReq = true;
 116 }
 117
 118 void DrawThreadClass::do_req_encueue_video(int count, int width, int height)
 119 {
 120         rec_frame_width = width;
 121         rec_frame_height = height;
 122         rec_frame_count = count;
 123 }