void KisOpenGL::initialize()
{
if (initialized) return;
setDefaultFormat();
// we need a QSurface active to get our GL functions from the context
QWindow surface;
surface.setSurfaceType( QSurface::OpenGLSurface );
surface.create();
QOpenGLContext context;
context.create();
context.makeCurrent( &surface );
QOpenGLFunctions *funcs = context.functions();
funcs->initializeOpenGLFunctions();
qDebug() << "OpenGL Info";
qDebug() << " Vendor: " << reinterpret_cast<const char *>(funcs->glGetString(GL_VENDOR));
qDebug() << " Renderer: " << reinterpret_cast<const char *>(funcs->glGetString(GL_RENDERER));
qDebug() << " Version: " << reinterpret_cast<const char *>(funcs->glGetString(GL_VERSION));
qDebug() << " Shading language: " << reinterpret_cast<const char *>(funcs->glGetString(GL_SHADING_LANGUAGE_VERSION));
qDebug() << " Requested format: " << QSurfaceFormat::defaultFormat();
qDebug() << " Current format: " << context.format();
glMajorVersion = context.format().majorVersion();
glMinorVersion = context.format().minorVersion();
supportsDeprecatedFunctions = (context.format().options() & QSurfaceFormat::DeprecatedFunctions);
initialized = true;
}
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;
}
void QSGContext::renderContextInitialized(QSGRenderContext *renderContext)
{
Q_D(QSGContext);
d->mutex.lock();
if (d->antialiasingMethod == UndecidedAntialiasing) {
if (Q_UNLIKELY(qEnvironmentVariableIsSet("QSG_ANTIALIASING_METHOD"))) {
const QByteArray aaType = qgetenv("QSG_ANTIALIASING_METHOD");
if (aaType == "msaa")
d->antialiasingMethod = MsaaAntialiasing;
else if (aaType == "vertex")
d->antialiasingMethod = VertexAntialiasing;
}
if (d->antialiasingMethod == UndecidedAntialiasing) {
if (renderContext->openglContext()->format().samples() > 0)
d->antialiasingMethod = MsaaAntialiasing;
else
d->antialiasingMethod = VertexAntialiasing;
}
}
// With OpenGL ES, except for Angle on Windows, use GrayAntialiasing, unless
// some value had been requested explicitly. This could not be decided
// before without a context. Now the context is ready.
if (!d->distanceFieldAntialiasingDecided) {
d->distanceFieldAntialiasingDecided = true;
#ifndef Q_OS_WIN32
if (renderContext->openglContext()->isOpenGLES())
d->distanceFieldAntialiasing = QSGGlyphNode::GrayAntialiasing;
#endif
}
static bool dumped = false;
if (!dumped && QSG_LOG_INFO().isDebugEnabled()) {
dumped = true;
QSurfaceFormat format = renderContext->openglContext()->format();
QOpenGLFunctions *funcs = QOpenGLContext::currentContext()->functions();
qCDebug(QSG_LOG_INFO) << "R/G/B/A Buffers: " << format.redBufferSize() << format.greenBufferSize() << format.blueBufferSize() << format.alphaBufferSize();
qCDebug(QSG_LOG_INFO) << "Depth Buffer: " << format.depthBufferSize();
qCDebug(QSG_LOG_INFO) << "Stencil Buffer: " << format.stencilBufferSize();
qCDebug(QSG_LOG_INFO) << "Samples: " << format.samples();
qCDebug(QSG_LOG_INFO) << "GL_VENDOR: " << (const char *) funcs->glGetString(GL_VENDOR);
qCDebug(QSG_LOG_INFO) << "GL_RENDERER: " << (const char *) funcs->glGetString(GL_RENDERER);
qCDebug(QSG_LOG_INFO) << "GL_VERSION: " << (const char *) funcs->glGetString(GL_VERSION);
QSet<QByteArray> exts = renderContext->openglContext()->extensions();
QByteArray all; foreach (const QByteArray &e, exts) all += ' ' + e;
qCDebug(QSG_LOG_INFO) << "GL_EXTENSIONS: " << all.constData();
qCDebug(QSG_LOG_INFO) << "Max Texture Size: " << renderContext->maxTextureSize();
qCDebug(QSG_LOG_INFO) << "Debug context: " << format.testOption(QSurfaceFormat::DebugContext);
}
QOpenGLExtensionMatcher::QOpenGLExtensionMatcher()
{
QOpenGLContext *ctx = QOpenGLContext::currentContext();
QOpenGLFunctions *funcs = ctx->functions();
const char *extensionStr = 0;
if (ctx->isOpenGLES() || ctx->format().majorVersion() < 3)
extensionStr = reinterpret_cast<const char *>(funcs->glGetString(GL_EXTENSIONS));
if (extensionStr) {
QByteArray ba(extensionStr);
QList<QByteArray> extensions = ba.split(' ');
m_extensions = extensions.toSet();
} else {
#ifdef QT_OPENGL_3
// clear error state
while (funcs->glGetError()) {}
if (ctx) {
qt_glGetStringi glGetStringi = (qt_glGetStringi)ctx->getProcAddress("glGetStringi");
if (!glGetStringi)
return;
GLint numExtensions;
funcs->glGetIntegerv(GL_NUM_EXTENSIONS, &numExtensions);
for (int i = 0; i < numExtensions; ++i) {
const char *str = reinterpret_cast<const char *>(glGetStringi(GL_EXTENSIONS, i));
m_extensions.insert(str);
}
}
#endif // QT_OPENGL_3
}
}
void Widget::renderWindowReady()
{
QOpenGLContext *context = QOpenGLContext::currentContext();
Q_ASSERT(context);
QString vendor, renderer, version, glslVersion;
const GLubyte *p;
QOpenGLFunctions *f = context->functions();
if ((p = f->glGetString(GL_VENDOR)))
vendor = QString::fromLatin1(reinterpret_cast<const char *>(p));
if ((p = f->glGetString(GL_RENDERER)))
renderer = QString::fromLatin1(reinterpret_cast<const char *>(p));
if ((p = f->glGetString(GL_VERSION)))
version = QString::fromLatin1(reinterpret_cast<const char *>(p));
if ((p = f->glGetString(GL_SHADING_LANGUAGE_VERSION)))
glslVersion = QString::fromLatin1(reinterpret_cast<const char *>(p));
m_output->append(tr("*** Context information ***"));
m_output->append(tr("Vendor: %1").arg(vendor));
m_output->append(tr("Renderer: %1").arg(renderer));
m_output->append(tr("OpenGL version: %1").arg(version));
m_output->append(tr("GLSL version: %1").arg(glslVersion));
m_output->append(tr("\n*** QSurfaceFormat from context ***"));
printFormat(context->format());
m_output->append(tr("\n*** QSurfaceFormat from window surface ***"));
printFormat(m_surface->format());
m_output->append(tr("\n*** Qt build information ***"));
const char *gltype[] = { "Desktop", "GLES 2", "GLES 1" };
m_output->append(tr("Qt OpenGL configuration: %1")
.arg(QString::fromLatin1(gltype[QOpenGLContext::openGLModuleType()])));
m_output->append(tr("Qt OpenGL library handle: %1")
.arg(QString::number(qintptr(QOpenGLContext::openGLModuleHandle()), 16)));
QList<QByteArray> extensionList = context->extensions().toList();
std::sort(extensionList.begin(), extensionList.end());
m_extensions->append(tr("Found %1 extensions:").arg(extensionList.count()));
Q_FOREACH (const QByteArray &ext, extensionList)
m_extensions->append(QString::fromLatin1(ext));
m_output->moveCursor(QTextCursor::Start);
m_extensions->moveCursor(QTextCursor::Start);
}
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;
}
}
void ResultRecorder::startResults(const QString &id)
{
// sub process will get all this.
// safer that way, as then we keep OpenGL (and QGuiApplication) out of the host
if (!Options::instance.isSubProcess)
return;
m_results["id"] = id;
QString prettyProductName =
#if QT_VERSION >= 0x050400
QSysInfo::prettyProductName();
#else
# if defined(Q_OS_IOS)
QStringLiteral("iOS");
# elif defined(Q_OS_OSX)
QString::fromLatin1("OSX %d").arg(QSysInfo::macVersion());
# elif defined(Q_OS_WIN)
QString::fromLatin1("Windows %d").arg(QSysInfo::windowsVersion());
# elif defined(Q_OS_LINUX)
QStringLiteral("Linux");
# elif defined(Q_OS_ANDROID)
QStringLiteral("Android");
# else
QStringLiteral("unknown");
# endif
#endif
QVariantMap osMap;
osMap["prettyProductName"] = prettyProductName;
osMap["platformPlugin"] = QGuiApplication::platformName();
m_results["os"] = osMap;
m_results["qt"] = QT_VERSION_STR;
m_results["command-line"] = qApp->arguments().join(' ');
// The following code makes the assumption that an OpenGL context the GUI
// thread will get the same capabilities as the render thread's OpenGL
// context. Not 100% accurate, but it works...
QOpenGLContext context;
context.create();
QOffscreenSurface surface;
// In very odd cases, we can get incompatible configs here unless we pass the
// GL context's format on to the offscreen format.
surface.setFormat(context.format());
surface.create();
if (!context.makeCurrent(&surface)) {
qWarning() << "failed to acquire GL context to get version info.";
return;
}
QOpenGLFunctions *func = context.functions();
#if QT_VERSION >= 0x050300
const char *vendor = (const char *) func->glGetString(GL_VENDOR);
const char *renderer = (const char *) func->glGetString(GL_RENDERER);
const char *version = (const char *) func->glGetString(GL_VERSION);
#else
Q_UNUSED(func);
const char *vendor = (const char *) glGetString(GL_VENDOR);
const char *renderer = (const char *) glGetString(GL_RENDERER);
const char *version = (const char *) glGetString(GL_VERSION);
#endif
if (!Options::instance.printJsonToStdout) {
std::cout << "ID: " << id.toStdString() << std::endl;
std::cout << "OS: " << prettyProductName.toStdString() << std::endl;
std::cout << "QPA: " << QGuiApplication::platformName().toStdString() << std::endl;
std::cout << "GL_VENDOR: " << vendor << std::endl;
std::cout << "GL_RENDERER: " << renderer << std::endl;
std::cout << "GL_VERSION: " << version << std::endl;
}
QVariantMap glInfo;
glInfo["vendor"] = vendor;
glInfo["renderer"] = renderer;
glInfo["version"] = version;
m_results["opengl"] = glInfo;
context.doneCurrent();
}