1 | /* $Id: UIFrameBufferQGL.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
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2 | /** @file
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3 | * VBoxFBQGL Opengl-based FrameBuffer implementation
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2009-2010 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 | #if defined (VBOX_GUI_USE_QGLFB)
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18 |
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19 | #ifdef VBOX_WITH_PRECOMPILED_HEADERS
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20 | # include "precomp.h"
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21 | #else /* !VBOX_WITH_PRECOMPILED_HEADERS */
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22 | #define LOG_GROUP LOG_GROUP_GUI
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23 |
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24 | /* Global includes */
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25 | #include "UIFrameBufferQGL.h"
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26 | #include "UIMachineView.h"
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27 |
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28 | /* Qt includes */
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29 | #include <QGLWidget>
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30 |
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31 | #ifdef VBOX_WITH_VIDEOHWACCEL
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32 | #include <VBox/VBoxVideo.h>
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33 | #endif
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34 | #endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
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35 |
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36 |
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37 | /** @class UIFrameBufferQGL
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38 | *
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39 | * The VBoxQImageFrameBuffer class is a class that implements the IFrameBuffer
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40 | * interface and uses QImage as the direct storage for VM display data. QImage
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41 | * is then converted to QPixmap and blitted to the console view widget.
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42 | */
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43 |
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44 | UIFrameBufferQGL::UIFrameBufferQGL (UIMachineView *pMachineView) :
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45 | UIFrameBuffer(pMachineView),
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46 | m_cmdPipe(pMachineView)
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47 | {
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48 | // mWidget = new GLWidget(aView->viewport());
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49 | #ifndef VBOXQGL_PROF_BASE
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50 | UIResizeEvent event(FramebufferPixelFormat_Opaque, NULL, 0, 0, 640, 480);
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51 | resizeEvent(&event);
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52 | #else
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53 | UIResizeEvent event(FramebufferPixelFormat_Opaque, NULL, 0, 0, VBOXQGL_PROF_WIDTH, VBOXQGL_PROF_HEIGHT);
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54 | resizeEvent(&event);
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55 | #endif
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56 | }
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57 |
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58 | /** @note This method is called on EMT from under this object's lock */
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59 | STDMETHODIMP UIFrameBufferQGL::NotifyUpdate (ULONG aX, ULONG aY,
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60 | ULONG aW, ULONG aH)
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61 | {
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62 | // /* We're not on the GUI thread and update() isn't thread safe in
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63 | // * Qt 4.3.x on the Win, Qt 3.3.x on the Mac (4.2.x is),
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64 | // * on Linux (didn't check Qt 4.x there) and probably on other
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65 | // * non-DOS platforms, so post the event instead. */
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66 | #ifdef VBOXQGL_PROF_BASE
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67 | QApplication::postEvent (m_pMachineView,
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68 | new VBoxRepaintEvent (aX, aY, aW, aH));
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69 | #else
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70 | QRect r(aX, aY, aW, aH);
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71 | m_cmdPipe.postCmd(VBOXVHWA_PIPECMD_PAINT, &r, 0);
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72 | #endif
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73 | return S_OK;
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74 | }
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75 |
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76 | #ifdef VBOXQGL_PROF_BASE
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77 | STDMETHODIMP UIFrameBufferQGL::RequestResize (ULONG aScreenId, ULONG aPixelFormat,
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78 | BYTE *aVRAM, ULONG aBitsPerPixel, ULONG aBytesPerLine,
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79 | ULONG aWidth, ULONG aHeight,
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80 | BOOL *aFinished)
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81 | {
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82 | aWidth = VBOXQGL_PROF_WIDTH;
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83 | aHeight = VBOXQGL_PROF_HEIGHT;
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84 | VBoxFrameBuffer::RequestResize (aScreenId, aPixelFormat,
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85 | aVRAM, aBitsPerPixel, aBytesPerLine,
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86 | aWidth, aHeight,
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87 | aFinished);
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88 |
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89 | // if(aVRAM)
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90 | {
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91 | for(;;)
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92 | {
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93 | ULONG aX = 0;
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94 | ULONG aY = 0;
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95 | ULONG aW = aWidth;
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96 | ULONG aH = aHeight;
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97 | NotifyUpdate (aX, aY, aW, aH);
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98 | RTThreadSleep(40);
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99 | }
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100 | }
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101 | return S_OK;
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102 | }
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103 | #endif
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104 |
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105 | VBoxGLWidget* UIFrameBufferQGL::vboxWidget()
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106 | {
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107 | return (VBoxGLWidget*)m_pMachineView->viewport();
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108 | }
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109 |
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110 | void UIFrameBufferQGL::paintEvent (QPaintEvent *pe)
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111 | {
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112 | Q_UNUSED(pe);
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113 | VBoxGLWidget * pw = vboxWidget();
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114 | pw->makeCurrent();
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115 |
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116 | QRect vp(m_pMachineView->contentsX(), m_pMachineView->contentsY(), pw->width(), pw->height());
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117 | if(vp != pw->vboxViewport())
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118 | {
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119 | pw->vboxDoUpdateViewport(vp);
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120 | }
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121 |
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122 | pw->performDisplayAndSwap(true);
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123 | }
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124 |
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125 | void UIFrameBufferQGL::resizeEvent (UIResizeEvent *re)
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126 | {
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127 | m_width = re->width();
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128 | m_height = re->height();
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129 |
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130 | vboxWidget()->vboxResizeEvent(re);
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131 | }
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132 |
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133 | /* processing the VHWA command, called from the GUI thread */
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134 | void UIFrameBufferQGL::doProcessVHWACommand(QEvent * pEvent)
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135 | {
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136 | Q_UNUSED(pEvent);
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137 | vboxWidget()->vboxProcessVHWACommands(&m_cmdPipe);
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138 | }
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139 |
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140 |
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141 | #ifdef VBOX_WITH_VIDEOHWACCEL
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142 |
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143 | STDMETHODIMP UIFrameBufferQGL::ProcessVHWACommand(BYTE *pCommand)
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144 | {
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145 | VBOXVHWACMD * pCmd = (VBOXVHWACMD*)pCommand;
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146 | // Assert(0);
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147 | /* indicate that we process and complete the command asynchronously */
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148 | pCmd->Flags |= VBOXVHWACMD_FLAG_HG_ASYNCH;
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149 | /* post the command to the GUI thread for processing */
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150 | // QApplication::postEvent (m_pMachineView,
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151 | // new VBoxVHWACommandProcessEvent (pCmd));
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152 | m_cmdPipe.postCmd(VBOXVHWA_PIPECMD_VHWA, pCmd, 0);
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153 | return S_OK;
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154 | }
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155 |
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156 | #endif
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157 |
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158 | #endif
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159 |
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