Beispiel #1
0
int KisOpenGL::initializeContext(QOpenGLContext* s) {
#ifdef HAVE_OPENGL
    KisConfig cfg;
    dbgUI << "OpenGL: Opening new context";

    // Double check we were given the version we requested
    QSurfaceFormat format = s->format();
    glVersion = 100 * format.majorVersion() + format.minorVersion();

    if (!SharedSurface) {
        SharedSurface = new QOffscreenSurface();
        SharedSurface->setFormat(format);
        SharedSurface->create();
    }

    if (!SharedContext) {
        SharedContext = new QOpenGLContext;
        SharedContext->setFormat(format);
        SharedContext->setShareContext(s);
        SharedContext->create();
        SharedContext->makeCurrent(SharedSurface);
    }

    QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();

    QFile log(QDesktopServices::storageLocation(QDesktopServices::TempLocation) + "/krita-opengl.txt");
    log.open(QFile::WriteOnly);
    QString vendor((const char*)f->glGetString(GL_VENDOR));
    log.write(vendor.toLatin1());
    log.write(", ");
    QString renderer((const char*)f->glGetString(GL_RENDERER));
    log.write(renderer.toLatin1());
    log.write(", ");
    QString version((const char*)f->glGetString(GL_VERSION));
    log.write(version.toLatin1());

    // Check if we have a bugged driver that needs fence workaround
    bool isOnX11 = false;
#ifdef HAVE_X11
    isOnX11 = true;
#endif

    if ((isOnX11 && renderer.startsWith("AMD")) || cfg.forceOpenGLFenceWorkaround()) {
        NeedsFenceWorkaround = true;
    }
#else
    Q_UNUSED(s);
    NeedsFenceWorkaround = false;
#endif
    return glVersion;
}
Beispiel #2
0
void KisOpenGL::initializeContext(QOpenGLContext *ctx)
{
    initialize();

    dbgUI << "OpenGL: Opening new context";

    // Double check we were given the version we requested
    QSurfaceFormat format = ctx->format();
    QOpenGLFunctions *f = ctx->functions();
    f->initializeOpenGLFunctions();

#ifndef GL_RENDERER
#  define GL_RENDERER 0x1F01
#endif
    Renderer = QString((const char*)f->glGetString(GL_RENDERER));

    QFile log(QDesktopServices::storageLocation(QDesktopServices::TempLocation) + "/krita-opengl.txt");
    log.open(QFile::WriteOnly);
    QString vendor((const char*)f->glGetString(GL_VENDOR));
    log.write(vendor.toLatin1());
    log.write(", ");
    log.write(Renderer.toLatin1());
    log.write(", ");
    QString version((const char*)f->glGetString(GL_VERSION));
    log.write(version.toLatin1());
    log.close();

    // Check if we have a bugged driver that needs fence workaround
    bool isOnX11 = false;
#ifdef HAVE_X11
    isOnX11 = true;
#endif
    KisConfig cfg;
    if ((isOnX11 && Renderer.startsWith("AMD")) || cfg.forceOpenGLFenceWorkaround()) {
        NeedsFenceWorkaround = true;
    }
}