diff options
Diffstat (limited to 'src/opengl/qgl.cpp')
| -rw-r--r-- | src/opengl/qgl.cpp | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index 0d1a66e..9e74e04 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -509,6 +509,9 @@ QGLFormat::~QGLFormat() exchange the screen contents with the buffer. The result is flicker-free drawing and often better performance. + Note that single buffered contexts are currently not supported + with EGL. + \sa doubleBuffer(), QGLContext::swapBuffers(), QGLWidget::swapBuffers() */ @@ -1689,6 +1692,9 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format) workaround_brokenFBOReadBack = false; workaroundsCached = false; + workaround_brokenTextureFromPixmap = false; + workaround_brokenTextureFromPixmap_init = false; + for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) vertexAttributeArraysEnabledState[i] = false; } @@ -2574,18 +2580,34 @@ QGLTexture *QGLContextPrivate::bindTexture(const QPixmap &pixmap, GLenum target, } } -#if defined(Q_WS_X11) && !defined(QT_NO_EGL) - // Only try to use texture_from_pixmap under X11/EGL +#if defined(Q_WS_X11) + // Try to use texture_from_pixmap const QX11Info *xinfo = qt_x11Info(paintDevice); if (pd->classId() == QPixmapData::X11Class && pd->pixelType() == QPixmapData::PixmapType && xinfo && xinfo->screen() == pixmap.x11Info().screen() && target == GL_TEXTURE_2D) { - texture = bindTextureFromNativePixmap(const_cast<QPixmap*>(&pixmap), key, options); - if (texture) { - texture->options |= QGLContext::MemoryManagedBindOption; - texture->boundPixmap = pd; - boundPixmaps.insert(pd, QPixmap(pixmap)); + if (!workaround_brokenTextureFromPixmap_init) { + workaround_brokenTextureFromPixmap_init = true; + + const QByteArray versionString(reinterpret_cast<const char*>(glGetString(GL_VERSION))); + const int pos = versionString.indexOf("NVIDIA "); + + if (pos >= 0) { + const QByteArray nvidiaVersionString = versionString.mid(pos + strlen("NVIDIA ")); + + if (nvidiaVersionString.startsWith("195") || nvidiaVersionString.startsWith("256")) + workaround_brokenTextureFromPixmap = true; + } + } + + if (!workaround_brokenTextureFromPixmap) { + texture = bindTextureFromNativePixmap(const_cast<QPixmap*>(&pixmap), key, options); + if (texture) { + texture->options |= QGLContext::MemoryManagedBindOption; + texture->boundPixmap = pd; + boundPixmaps.insert(pd, QPixmap(pixmap)); + } } } #endif |