diff options
Diffstat (limited to 'src/opengl/qgl_win.cpp')
| -rw-r--r-- | src/opengl/qgl_win.cpp | 104 |
1 files changed, 47 insertions, 57 deletions
diff --git a/src/opengl/qgl_win.cpp b/src/opengl/qgl_win.cpp index 5b5820a..ed4814f 100644 --- a/src/opengl/qgl_win.cpp +++ b/src/opengl/qgl_win.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -551,7 +551,7 @@ QGLFormat pfiToQGLFormat(HDC hdc, int pfi) QVarLengthArray<int> iAttributes(40); QVarLengthArray<int> iValues(40); int i = 0; - bool has_sample_buffers = QGLExtensions::glExtensions & QGLExtensions::SampleBuffers; + bool has_sample_buffers = QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers; iAttributes[i++] = WGL_DOUBLE_BUFFER_ARB; // 0 iAttributes[i++] = WGL_DEPTH_BITS_ARB; // 1 @@ -628,52 +628,14 @@ QGLFormat pfiToQGLFormat(HDC hdc, int pfi) /* - Creates a temporary GL context and makes it current - - cleans up when the object is destructed. + QGLTemporaryContext implementation */ Q_GUI_EXPORT const QString qt_getRegisteredWndClass(); -class QGLTempContext +class QGLTemporaryContextPrivate { public: - QGLTempContext(bool directRendering, QWidget *parent = 0) - { - QString windowClassName = qt_getRegisteredWndClass(); - if (parent && !parent->internalWinId()) - parent = parent->nativeParentWidget(); - - dmy_id = CreateWindow((const wchar_t *)windowClassName.utf16(), - 0, 0, 0, 0, 1, 1, - parent ? parent->winId() : 0, 0, qWinAppInst(), 0); - - dmy_pdc = GetDC(dmy_id); - PIXELFORMATDESCRIPTOR dmy_pfd; - memset(&dmy_pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); - dmy_pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); - dmy_pfd.nVersion = 1; - dmy_pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW; - dmy_pfd.iPixelType = PFD_TYPE_RGBA; - if (!directRendering) - dmy_pfd.dwFlags |= PFD_GENERIC_FORMAT; - - int dmy_pf = ChoosePixelFormat(dmy_pdc, &dmy_pfd); - SetPixelFormat(dmy_pdc, dmy_pf, &dmy_pfd); - dmy_rc = wglCreateContext(dmy_pdc); - old_dc = wglGetCurrentDC(); - old_context = wglGetCurrentContext(); - wglMakeCurrent(dmy_pdc, dmy_rc); - } - - ~QGLTempContext() { - wglMakeCurrent(dmy_pdc, 0); - wglDeleteContext(dmy_rc); - ReleaseDC(dmy_id, dmy_pdc); - DestroyWindow(dmy_id); - if (old_dc && old_context) - wglMakeCurrent(old_dc, old_context); - } - HDC dmy_pdc; HGLRC dmy_rc; HDC old_dc; @@ -681,6 +643,45 @@ public: WId dmy_id; }; +QGLTemporaryContext::QGLTemporaryContext(bool directRendering, QWidget *parent) + : d(new QGLTemporaryContextPrivate) +{ + QString windowClassName = qt_getRegisteredWndClass(); + if (parent && !parent->internalWinId()) + parent = parent->nativeParentWidget(); + + d->dmy_id = CreateWindow((const wchar_t *)windowClassName.utf16(), + 0, 0, 0, 0, 1, 1, + parent ? parent->winId() : 0, 0, qWinAppInst(), 0); + + d->dmy_pdc = GetDC(d->dmy_id); + PIXELFORMATDESCRIPTOR dmy_pfd; + memset(&dmy_pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); + dmy_pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); + dmy_pfd.nVersion = 1; + dmy_pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW; + dmy_pfd.iPixelType = PFD_TYPE_RGBA; + if (!directRendering) + dmy_pfd.dwFlags |= PFD_GENERIC_FORMAT; + + int dmy_pf = ChoosePixelFormat(d->dmy_pdc, &dmy_pfd); + SetPixelFormat(d->dmy_pdc, dmy_pf, &dmy_pfd); + d->dmy_rc = wglCreateContext(d->dmy_pdc); + d->old_dc = wglGetCurrentDC(); + d->old_context = wglGetCurrentContext(); + wglMakeCurrent(d->dmy_pdc, d->dmy_rc); +} + +QGLTemporaryContext::~QGLTemporaryContext() +{ + wglMakeCurrent(d->dmy_pdc, 0); + wglDeleteContext(d->dmy_rc); + ReleaseDC(d->dmy_id, d->dmy_pdc); + DestroyWindow(d->dmy_id); + if (d->old_dc && d->old_context) + wglMakeCurrent(d->old_dc, d->old_context); +} + bool QGLContext::chooseContext(const QGLContext* shareContext) { Q_D(QGLContext); @@ -721,10 +722,10 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) myDc = GetDC(d->win); } - // NB! the QGLTempContext object is needed for the + // NB! the QGLTemporaryContext object is needed for the // wglGetProcAddress() calls to succeed and are absolutely // necessary - don't remove! - QGLTempContext tmp_ctx(d->glFormat.directRendering(), widget); + QGLTemporaryContext tmp_ctx(d->glFormat.directRendering(), widget); if (!myDc) { qWarning("QGLContext::chooseContext(): Paint device cannot be null"); @@ -965,7 +966,7 @@ int QGLContext::choosePixelFormat(void* dummyPfd, HDC pdc) iAttributes[i++] = 1; } int si = 0; - bool trySampleBuffers = QGLExtensions::glExtensions & QGLExtensions::SampleBuffers; + bool trySampleBuffers = QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers; if (trySampleBuffers && d->glFormat.sampleBuffers()) { iAttributes[i++] = WGL_SAMPLE_BUFFERS_ARB; iAttributes[i++] = TRUE; @@ -1145,7 +1146,7 @@ void QGLContext::reset() delete d->cmap; d->cmap = 0; d->initDone = false; - qgl_share_reg()->removeShare(this); + QGLContextGroup::removeShare(this); } // @@ -1471,15 +1472,4 @@ void QGLWidget::setColormap(const QGLColormap & c) } } -void QGLExtensions::init() -{ - static bool init_done = false; - - if (init_done) - return; - init_done = true; - QGLTempContext temp_ctx(QGLFormat::defaultFormat().directRendering()); - init_extensions(); -} - QT_END_NAMESPACE |