| 1 | /* $Id: VBoxFBQGL.cpp 29794 2010-05-25 16:06:59Z 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 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 | #include "VBoxFrameBuffer.h"
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| 25 |
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| 26 | /* Qt includes */
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| 27 | #include <QGLWidget>
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| 28 |
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| 29 | #ifdef VBOX_WITH_VIDEOHWACCEL
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| 30 | #include <VBox/VBoxVideo.h>
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| 31 | #endif
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| 32 | #endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
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| 33 |
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| 34 |
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| 35 | /** @class VBoxQGLFrameBuffer
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| 36 | *
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| 37 | * The VBoxQImageFrameBuffer class is a class that implements the IFrameBuffer
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| 38 | * interface and uses QImage as the direct storage for VM display data. QImage
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| 39 | * is then converted to QPixmap and blitted to the console view widget.
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| 40 | */
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| 41 |
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| 42 | /** @note This method is called on EMT from under this object's lock */
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| 43 | STDMETHODIMP VBoxQGLFrameBuffer::NotifyUpdate (ULONG aX, ULONG aY,
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| 44 | ULONG aW, ULONG aH)
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| 45 | {
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| 46 | // /* We're not on the GUI thread and update() isn't thread safe in
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| 47 | // * Qt 4.3.x on the Win, Qt 3.3.x on the Mac (4.2.x is),
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| 48 | // * on Linux (didn't check Qt 4.x there) and probably on other
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| 49 | // * non-DOS platforms, so post the event instead. */
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| 50 | #ifdef VBOXQGL_PROF_BASE
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| 51 | QApplication::postEvent (mView,
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| 52 | new VBoxRepaintEvent (aX, aY, aW, aH));
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| 53 | #else
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| 54 | QRect r(aX, aY, aW, aH);
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| 55 | mCmdPipe.postCmd(VBOXVHWA_PIPECMD_PAINT, &r, 0);
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| 56 | #endif
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| 57 | return S_OK;
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| 58 | }
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| 59 |
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| 60 | #ifdef VBOXQGL_PROF_BASE
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| 61 | STDMETHODIMP VBoxQGLFrameBuffer::RequestResize (ULONG aScreenId, ULONG aPixelFormat,
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| 62 | BYTE *aVRAM, ULONG aBitsPerPixel, ULONG aBytesPerLine,
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| 63 | ULONG aWidth, ULONG aHeight,
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| 64 | BOOL *aFinished)
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| 65 | {
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| 66 | aWidth = VBOXQGL_PROF_WIDTH;
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| 67 | aHeight = VBOXQGL_PROF_HEIGHT;
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| 68 | VBoxFrameBuffer::RequestResize (aScreenId, aPixelFormat,
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| 69 | aVRAM, aBitsPerPixel, aBytesPerLine,
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| 70 | aWidth, aHeight,
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| 71 | aFinished);
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| 72 |
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| 73 | // if(aVRAM)
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| 74 | {
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| 75 | for(;;)
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| 76 | {
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| 77 | ULONG aX = 0;
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| 78 | ULONG aY = 0;
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| 79 | ULONG aW = aWidth;
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| 80 | ULONG aH = aHeight;
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| 81 | NotifyUpdate (aX, aY, aW, aH);
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| 82 | RTThreadSleep(40);
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| 83 | }
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| 84 | }
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| 85 | return S_OK;
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| 86 | }
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| 87 | #endif
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| 88 |
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| 89 | VBoxGLWidget* VBoxQGLFrameBuffer::vboxWidget()
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| 90 | {
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| 91 | return (VBoxGLWidget*)mView->viewport();
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| 92 | }
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| 93 |
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| 94 | void VBoxQGLFrameBuffer::paintEvent (QPaintEvent *pe)
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| 95 | {
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| 96 | Q_UNUSED(pe);
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| 97 | VBoxGLWidget * pw = vboxWidget();
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| 98 | pw->makeCurrent();
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| 99 |
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| 100 | QRect vp(mView->contentsX(), mView->contentsY(), pw->width(), pw->height());
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| 101 | if(vp != pw->vboxViewport())
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| 102 | {
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| 103 | pw->vboxDoUpdateViewport(vp);
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| 104 | }
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| 105 |
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| 106 | pw->performDisplayAndSwap(true);
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| 107 | }
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| 108 |
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| 109 | void VBoxQGLFrameBuffer::resizeEvent (VBoxResizeEvent *re)
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| 110 | {
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| 111 | mWdt = re->width();
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| 112 | mHgt = re->height();
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| 113 |
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| 114 | vboxWidget()->vboxResizeEvent(re);
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| 115 | }
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| 116 |
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| 117 | /* processing the VHWA command, called from the GUI thread */
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| 118 | void VBoxQGLFrameBuffer::doProcessVHWACommand(QEvent * pEvent)
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| 119 | {
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| 120 | Q_UNUSED(pEvent);
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| 121 | vboxWidget()->vboxProcessVHWACommands(&mCmdPipe);
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| 122 | }
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| 123 |
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| 124 |
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| 125 | #ifdef VBOX_WITH_VIDEOHWACCEL
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| 126 |
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| 127 | STDMETHODIMP VBoxQGLFrameBuffer::ProcessVHWACommand(BYTE *pCommand)
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| 128 | {
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| 129 | VBOXVHWACMD * pCmd = (VBOXVHWACMD*)pCommand;
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| 130 | // Assert(0);
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| 131 | /* indicate that we process and complete the command asynchronously */
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| 132 | pCmd->Flags |= VBOXVHWACMD_FLAG_HG_ASYNCH;
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| 133 | /* post the command to the GUI thread for processing */
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| 134 | // QApplication::postEvent (mView,
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| 135 | // new VBoxVHWACommandProcessEvent (pCmd));
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| 136 | mCmdPipe.postCmd(VBOXVHWA_PIPECMD_VHWA, pCmd, 0);
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| 137 | return S_OK;
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| 138 | }
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| 139 |
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| 140 | #endif
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| 141 |
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| 142 | #endif
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| 143 |
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