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;
}
void OpenGLRendererBase::onInitializeGL()
{
DPTR_D(OpenGLRendererBase);
//makeCurrent();
QOpenGLContext *ctx = const_cast<QOpenGLContext*>(QOpenGLContext::currentContext()); //qt4 returns const
d.glv.setOpenGLContext(ctx);
//const QByteArray extensions(reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS)));
bool hasGLSL = QOpenGLShaderProgram::hasOpenGLShaderPrograms();
qDebug("OpenGL version: %d.%d hasGLSL: %d", ctx->format().majorVersion(), ctx->format().minorVersion(), hasGLSL);
initializeOpenGLFunctions();
glEnable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glClearColor(0.0, 0.0, 0.0, 0.0);
}
void tst_QOpenGL::openGLPaintDevice()
{
#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(__x86_64__)
QSKIP("QTBUG-22617");
#endif
QFETCH(int, surfaceClass);
QScopedPointer<QSurface> surface(createSurface(surfaceClass));
QOpenGLContext ctx;
QVERIFY(ctx.create());
QSurfaceFormat format = ctx.format();
if (format.majorVersion() < 2)
QSKIP("This test requires at least OpenGL 2.0");
QVERIFY(ctx.makeCurrent(surface.data()));
const QSize size(128, 128);
QImage image(size, QImage::Format_RGB32);
QPainter p(&image);
p.fillRect(0, 0, image.width() / 2, image.height() / 2, Qt::red);
p.fillRect(image.width() / 2, 0, image.width() / 2, image.height() / 2, Qt::green);
p.fillRect(image.width() / 2, image.height() / 2, image.width() / 2, image.height() / 2, Qt::blue);
p.fillRect(0, image.height() / 2, image.width() / 2, image.height() / 2, Qt::white);
p.end();
QOpenGLFramebufferObject fbo(size);
QVERIFY(fbo.bind());
QOpenGLPaintDevice device(size);
QVERIFY(p.begin(&device));
p.fillRect(0, 0, image.width() / 2, image.height() / 2, Qt::red);
p.fillRect(image.width() / 2, 0, image.width() / 2, image.height() / 2, Qt::green);
p.fillRect(image.width() / 2, image.height() / 2, image.width() / 2, image.height() / 2, Qt::blue);
p.fillRect(0, image.height() / 2, image.width() / 2, image.height() / 2, Qt::white);
p.end();
QImage actual = fbo.toImage().convertToFormat(QImage::Format_RGB32);
QCOMPARE(image.size(), actual.size());
QCOMPARE(image, actual);
QVERIFY(p.begin(&device));
p.fillRect(0, 0, image.width(), image.height(), Qt::black);
p.drawImage(0, 0, image);
p.end();
actual = fbo.toImage().convertToFormat(QImage::Format_RGB32);
QCOMPARE(image.size(), actual.size());
QCOMPARE(image, actual);
QVERIFY(p.begin(&device));
p.fillRect(0, 0, image.width(), image.height(), Qt::black);
p.fillRect(0, 0, image.width(), image.height(), QBrush(image));
p.end();
actual = fbo.toImage().convertToFormat(QImage::Format_RGB32);
QCOMPARE(image.size(), actual.size());
QCOMPARE(image, actual);
}
static bool q_supportsElementIndexUint(QSGRendererInterface::GraphicsApi api)
{
static bool elementIndexUint = true;
#if QT_CONFIG(opengl)
if (api == QSGRendererInterface::OpenGL) {
static bool elementIndexUintChecked = false;
if (!elementIndexUintChecked) {
elementIndexUintChecked = true;
QOpenGLContext *context = QOpenGLContext::currentContext();
QScopedPointer<QOpenGLContext> dummyContext;
QScopedPointer<QOffscreenSurface> dummySurface;
bool ok = true;
if (!context) {
dummyContext.reset(new QOpenGLContext);
dummyContext->create();
context = dummyContext.data();
dummySurface.reset(new QOffscreenSurface);
dummySurface->setFormat(context->format());
dummySurface->create();
ok = context->makeCurrent(dummySurface.data());
}
if (ok) {
elementIndexUint = static_cast<QOpenGLExtensions *>(context->functions())->hasOpenGLExtension(
QOpenGLExtensions::ElementIndexUint);
}
}
}
#else
Q_UNUSED(api);
#endif
return elementIndexUint;
}
void dumpGlInfo(QTextStream &str, bool listExtensions)
{
QOpenGLContext context;
if (context.create()) {
# ifdef QT_OPENGL_DYNAMIC
str << "Dynamic GL ";
# endif
switch (context.openGLModuleType()) {
case QOpenGLContext::LibGL:
str << "LibGL";
break;
case QOpenGLContext::LibGLES:
str << "LibGLES";
break;
}
QWindow window;
window.setSurfaceType(QSurface::OpenGLSurface);
window.create();
context.makeCurrent(&window);
QOpenGLFunctions functions(&context);
str << " Vendor: " << reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR))
<< "\nRenderer: " << reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER))
<< "\nVersion: " << reinterpret_cast<const char *>(functions.glGetString(GL_VERSION))
<< "\nShading language: " << reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION))
<< "\nFormat: " << context.format();
if (listExtensions) {
QList<QByteArray> extensionList = context.extensions().toList();
std::sort(extensionList.begin(), extensionList.end());
str << " \nFound " << extensionList.size() << " extensions:\n";
foreach (const QByteArray &extension, extensionList)
str << " " << extension << '\n';
}
} else {
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
}
}
int getMaxTextureSize()
{
int maxSize = 0;
// Create a temp context - required if this is called from another thread
QOpenGLContext ctx;
if ( !ctx.create() )
{
// TODO handle the error
qDebug() << "No OpenGL context could be created, this is clearly bad...";
exit(-1);
}
// rather than using a QWindow - which actually dosen't seem to work in this case either!
QOffscreenSurface surface;
surface.setFormat( ctx.format() );
surface.create();
ctx.makeCurrent(&surface);
// Now the call works
QOpenGLFunctions glFuncs(QOpenGLContext::currentContext());
glFuncs.glEnable(GL_TEXTURE_2D);
glFuncs.glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxSize);
return maxSize;
}
void MapWidget::initializeGL()
{
initializeOpenGLFunctions();
QString versionString(QLatin1String(reinterpret_cast<const char*>(glGetString(GL_VERSION))));
QOpenGLContext *ctx = QOpenGLContext::currentContext();
Q_UNUSED(ctx);
lg = new QOpenGLDebugLogger(context());
lg->initialize();
lg->startLogging(QOpenGLDebugLogger::SynchronousLogging);
lg->enableMessages();
connect(lg, SIGNAL(messageLogged(QOpenGLDebugMessage)), this, SLOT(glLog(QOpenGLDebugMessage)));
qDebug() << "Driver Version String:" << versionString;
qDebug() << "Current Context:" << ctx->format();
//glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &gpuTotalMemory);
//qDebug() << "total" << gpuTotalMemory;
m_renderer = new Renderer();
m_renderer->createStaticResources();
//m_painterOverlay = new PainterOverlay();
}
QSurfaceFormat::OpenGLContextProfile QSGShaderSourceBuilder::contextProfile() const
{
QOpenGLContext *context = QOpenGLContext::currentContext();
QSurfaceFormat::OpenGLContextProfile profile = QSurfaceFormat::NoProfile;
Q_ASSERT(context);
profile = context->format().profile();
return profile;
}
static bool checkVersion(QOpenGLContext &context, QSurfaceFormat &format)
{
QSurfaceFormat currSurface = context.format();
QPair<int,int> currVersion = currSurface.version();
QPair<int,int> reqVersion = format.version();
if (currVersion.first > reqVersion.first)
return true;
return (currVersion.first == reqVersion.first && currVersion.second >= reqVersion.second);
}
void OpenGLRenderPrivate::initialize()
{
initializeOpenGLFunctions();
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
for (int i = 0; i < 5; ++i){
const char *fShaderCode = nullptr;
switch (i){
case 0:
case 1:
fShaderCode = fShaderI420;
break;
case 2:
fShaderCode = fShaderNV12;
break;
case 3:
fShaderCode = fShaderNV21;
break;
case 4:
fShaderCode = fShaderBGRP;
break;
}
QOpenGLShaderProgram &p = program[i];
p.addShaderFromSourceCode(QOpenGLShader::Vertex, vShaderCode);
p.addShaderFromSourceCode(QOpenGLShader::Fragment, fShaderCode);
p.bindAttributeLocation("VtxCoord", 0);
p.bindAttributeLocation("TexCoord", 1);
p.bind();
switch (i){
case 0:
p.setUniformValue("SamplerY", 0);
p.setUniformValue("SamplerU", 1);
p.setUniformValue("SamplerV", 2);
break;
case 1:
p.setUniformValue("SamplerY", 0);
p.setUniformValue("SamplerV", 1);
p.setUniformValue("SamplerU", 2);
break;
case 2:
case 3:
p.setUniformValue("SamplerY", 0);
p.setUniformValue("SamplerA", 1);
break;
case 4:
p.setUniformValue("SamplerP", 0);
break;
}
}
tex[0] = 0; tex[1] = 0;
tex[2] = 1; tex[3] = 0;
tex[4] = 0; tex[5] = 1;
tex[6] = 1; tex[7] = 1;
QOpenGLContext *c = QOpenGLContext::currentContext();
timer.setInterval(c->format().swapInterval() / (double)c->screen()->refreshRate());
}
bool QOpenGLTextureBlitter::create()
{
QOpenGLContext *currentContext = QOpenGLContext::currentContext();
if (!currentContext)
return false;
Q_D(QOpenGLTextureBlitter);
d->vao->create();
d->vao->bind();
if (d->program)
return true;
d->program.reset(new QOpenGLShaderProgram());
QSurfaceFormat format = currentContext->format();
if (format.profile() == QSurfaceFormat::CoreProfile && format.version() >= qMakePair(3,2)) {
d->program->addShaderFromSourceCode(QOpenGLShader::Vertex, vertex_shader150);
d->program->addShaderFromSourceCode(QOpenGLShader::Fragment, fragment_shader150);
} else {
d->program->addShaderFromSourceCode(QOpenGLShader::Vertex, vertex_shader);
d->program->addShaderFromSourceCode(QOpenGLShader::Fragment, fragment_shader);
}
d->program->link();
if (!d->program->isLinked()) {
qWarning() << Q_FUNC_INFO << "Could not link shader program:\n" << d->program->log();
return false;
}
d->program->bind();
d->vertexBuffer.create();
d->vertexBuffer.bind();
d->vertexBuffer.allocate(vertex_buffer_data, sizeof(vertex_buffer_data));
d->vertexBuffer.release();
d->textureBuffer.create();
d->textureBuffer.bind();
d->textureBuffer.allocate(texture_buffer_data, sizeof(texture_buffer_data));
d->textureBuffer.release();
d->vertexCoordAttribPos = d->program->attributeLocation("vertexCoord");
d->vertexTransformUniformPos = d->program->uniformLocation("vertexTransform");
d->textureCoordAttribPos = d->program->attributeLocation("textureCoord");
d->textureTransformUniformPos = d->program->uniformLocation("textureTransform");
d->swizzleUniformPos = d->program->uniformLocation("swizzle");
d->program->setUniformValue(d->swizzleUniformPos,false);
d->vao->release();
return true;
}
void OpenGLRendererBase::onInitializeGL()
{
DPTR_D(OpenGLRendererBase);
//makeCurrent();
#if QT_VERSION >= QT_VERSION_CHECK(4, 8, 0)
initializeOpenGLFunctions();
#endif
QOpenGLContext *ctx = const_cast<QOpenGLContext*>(QOpenGLContext::currentContext()); //qt4 returns const
d.glv.setOpenGLContext(ctx);
//const QByteArray extensions(reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS)));
bool hasGLSL = QOpenGLShaderProgram::hasOpenGLShaderPrograms();
qDebug("OpenGL version: %d.%d hasGLSL: %d", ctx->format().majorVersion(), ctx->format().minorVersion(), hasGLSL);
static bool sInfo = true;
if (sInfo) {
sInfo = false;
qDebug("GL_VERSION: %s", DYGL(glGetString(GL_VERSION)));
qDebug("GL_VENDOR: %s", DYGL(glGetString(GL_VENDOR)));
qDebug("GL_RENDERER: %s", DYGL(glGetString(GL_RENDERER)));
qDebug("GL_SHADING_LANGUAGE_VERSION: %s", DYGL(glGetString(GL_SHADING_LANGUAGE_VERSION)));
}
}
QString openGlContext()
{
QString result;
QTextStream str(&result);
QOpenGLContext context;
if (context.create()) {
# ifdef QT_OPENGL_DYNAMIC
str << "Dynamic GL ";
# endif
switch (context.openGLModuleType()) {
case QOpenGLContext::LibGL:
str << "LibGL";
break;
case QOpenGLContext::LibGLES:
str << "LibGLES";
break;
}
QWindow window;
if (QGuiApplication::platformName() == QLatin1String("greenisland"))
window.setFlags(Qt::Desktop);
window.setSurfaceType(QSurface::OpenGLSurface);
//window.setScreen(QGuiApplication::primaryScreen());
window.create();
if (context.makeCurrent(&window)) {
QOpenGLFunctions functions(&context);
str << " Vendor: " << reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR))
<< "\nRenderer: " << reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER))
<< "\nVersion: " << reinterpret_cast<const char *>(functions.glGetString(GL_VERSION))
<< "\nGLSL version: " << reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION))
<< "\nFormat: " << context.format();
QList<QByteArray> extensionList = context.extensions().toList();
std::sort(extensionList.begin(), extensionList.end());
QByteArray extensions = extensionList.join(' ');
str << " \nFound " << extensionList.size() << " extensions:\n";
str << wordWrap(extensions, 78);
context.doneCurrent();
}
window.destroy();
} else {
str << "Unable to create an Open GL context.\n";
}
return result;
}
void GLWidget277::debugContextVersion() {
QOpenGLContext *ctx = context();
QSurfaceFormat form = format();
QSurfaceFormat ctxform = ctx->format();
QSurfaceFormat::OpenGLContextProfile prof = ctxform.profile();
const char *profile =
prof == QSurfaceFormat::CoreProfile ? "Core" :
prof == QSurfaceFormat::CompatibilityProfile ? "Compatibility" :
"None";
int ctxmajor = ctxform.majorVersion();
int ctxminor = ctxform.minorVersion();
bool valid = ctx->isValid();
int formmajor = form.majorVersion();
int formminor = form.minorVersion();
const char *vendor = glGS(GL_VENDOR);
const char *renderer = glGS(GL_RENDERER);
const char *version = glGS(GL_VERSION);
const char *s_glsl = glGS(GL_SHADING_LANGUAGE_VERSION);
printf("Widget version: %d.%d\n", ctxmajor, ctxminor);
printf("Context valid: %s\n", valid ? "yes" : "NO");
printf("Format version: %d.%d\n", formmajor, formminor);
printf("Profile: %s\n", profile);
printf(" Vendor: %s\n", vendor);
printf(" Renderer: %s\n", renderer);
printf(" Version: %s\n", version);
printf(" GLSL: %s\n", s_glsl);
QString glsl = s_glsl;
if (ctxmajor < 3 || glsl.startsWith("1.10") || glsl.startsWith("1.20")) {
printf("ERROR: "
"Unable to get an OpenGL 3.x context with GLSL 1.30 or newer. "
"If your hardware should support it, update your drivers. "
"If you have switchable graphics, make sure that you are using the discrete GPU.\n");
QApplication::exit();
} else if ((ctxmajor == 3 && ctxminor < 2) || glsl.startsWith("1.30") || glsl.startsWith("1.40")) {
printf("WARNING: "
"Unable to get an OpenGL 3.2 context with GLSL 1.50. "
"If your hardware should support it, update your drivers. "
"If you have switchable graphics, make sure that you are using the discrete GPU. "
"If you cannot get 3.2 support, it is possible to port this project....");
// Note: doing this requires at least the following actions:
// * Change the header and base class in glwidget277.h to 3.0/3.1 instead of 3.2 Core.
// * Change the shaders to require GLSL 1.30 or 1.40.
}
}
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 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();
}
void D3DPresentEngine::createOffscreenTexture()
{
// First, check if we have a context on this thread
QOpenGLContext *currentContext = QOpenGLContext::currentContext();
if (!currentContext) {
//Create OpenGL context and set share context from surface
QOpenGLContext *shareContext = qobject_cast<QOpenGLContext*>(m_surface->property("GLContext").value<QObject*>());
if (!shareContext)
return;
m_offscreenSurface = new QWindow;
m_offscreenSurface->setSurfaceType(QWindow::OpenGLSurface);
//Needs geometry to be a valid surface, but size is not important
m_offscreenSurface->setGeometry(-1, -1, 1, 1);
m_offscreenSurface->create();
m_glContext = new QOpenGLContext;
m_glContext->setFormat(m_offscreenSurface->requestedFormat());
m_glContext->setShareContext(shareContext);
if (!m_glContext->create()) {
delete m_glContext;
delete m_offscreenSurface;
m_glContext = 0;
m_offscreenSurface = 0;
return;
}
currentContext = m_glContext;
}
if (m_glContext)
m_glContext->makeCurrent(m_offscreenSurface);
if (!m_egl)
m_egl = new EGLWrapper;
QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface();
m_eglDisplay = static_cast<EGLDisplay*>(
nativeInterface->nativeResourceForContext("eglDisplay", currentContext));
m_eglConfig = static_cast<EGLConfig*>(
nativeInterface->nativeResourceForContext("eglConfig", currentContext));
currentContext->functions()->glGenTextures(1, &m_glTexture);
int w = m_surfaceFormat.frameWidth();
int h = m_surfaceFormat.frameHeight();
bool hasAlpha = currentContext->format().hasAlpha();
EGLint attribs[] = {
EGL_WIDTH, w,
EGL_HEIGHT, h,
EGL_TEXTURE_FORMAT, hasAlpha ? EGL_TEXTURE_RGBA : EGL_TEXTURE_RGB,
EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
EGL_NONE
};
EGLSurface pbuffer = m_egl->createPbufferSurface(m_eglDisplay, m_eglConfig, attribs);
HANDLE share_handle = 0;
PFNEGLQUERYSURFACEPOINTERANGLEPROC eglQuerySurfacePointerANGLE =
reinterpret_cast<PFNEGLQUERYSURFACEPOINTERANGLEPROC>(m_egl->getProcAddress("eglQuerySurfacePointerANGLE"));
Q_ASSERT(eglQuerySurfacePointerANGLE);
eglQuerySurfacePointerANGLE(
m_eglDisplay,
pbuffer,
EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE, &share_handle);
m_device->CreateTexture(w, h, 1,
D3DUSAGE_RENDERTARGET,
hasAlpha ? D3DFMT_A8R8G8B8 : D3DFMT_X8R8G8B8,
D3DPOOL_DEFAULT,
&m_texture,
&share_handle);
m_eglSurface = pbuffer;
if (m_glContext)
m_glContext->doneCurrent();
}
void Thumbnail::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *widget)
{
QRectF parentRect = parentItem()->sceneBoundingRect();
// Skip drawing thumbnails outside their parents
if (!sceneBoundingRect().intersects(parentRect)) return;
prePaint(painter, widget);
// Draw image
if(!img.isNull())
{
auto imgRect = QRectF(img.rect());
imgRect.moveCenter(rect.center());
painter->drawImage(imgRect.topLeft(), img);
}
// Draw 3D mesh
if(mesh.points.size() || auxMeshes.size())
{
if (img.isNull() || isTempImage)
{
auto glwidget = (Viewer*)widget;
if (glwidget)
{
QOpenGLContext context;
context.setShareContext(glwidget->context());
context.setFormat(glwidget->format());
context.create();
QOffscreenSurface m_offscreenSurface;
m_offscreenSurface.setFormat(context.format());
m_offscreenSurface.create();
context.makeCurrent(&m_offscreenSurface);
QOpenGLFramebufferObjectFormat fboformat;
fboformat.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
QOpenGLFramebufferObject renderFbo(rect.width() * 2, rect.height() * 2, fboformat);
renderFbo.bind();
glwidget->glEnable(GL_DEPTH_TEST);
glwidget->glEnable(GL_BLEND);
glwidget->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glwidget->glCullFace(GL_BACK);
glwidget->glClearColor(0,0,0,0);
glwidget->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glwidget->glViewport(0, 0, renderFbo.size().width(), renderFbo.size().height());
if(mesh.points.size())
glwidget->drawTriangles(mesh.color, mesh.points, mesh.normals, pvm);
// Draw aux meshes
for (auto auxmesh : auxMeshes)
glwidget->drawTriangles(auxmesh.color, auxmesh.points, auxmesh.normals, pvm);
glwidget->glDisable(GL_DEPTH_TEST);
glwidget->glFlush();
renderFbo.release();
this->setImage( renderFbo.toImage().scaledToWidth(rect.width(), Qt::SmoothTransformation) );
// Thanks for sharing!
glwidget->makeCurrent();
}
/*painter->beginNativePainting();
auto glwidget = (Viewer*)widget;
if (glwidget)
{
// Draw mesh
auto r = sceneBoundingRect();
auto v = scene()->views().first();
QPoint viewDelta = v->mapFromScene(r.topLeft());
if (viewDelta.manhattanLength() > 5) r.moveTopLeft(viewDelta);
glwidget->eyePos = eye;
glwidget->pvm = pvm;
glwidget->glViewport(r.left(), v->height() - r.height() - r.top(), r.width(), r.height());
// Clipping OpenGL
glwidget->glEnable(GL_SCISSOR_TEST);
glwidget->glScissor(parentRect.x(), v->height() - parentRect.height() - parentRect.top(), parentRect.width(), parentRect.height());
glwidget->glClear(GL_DEPTH_BUFFER_BIT);
glwidget->drawTriangles(mesh.color, mesh.points, mesh.normals, pvm);
// Draw aux meshes
for (auto auxmesh : auxMeshes)
{
glwidget->drawTriangles(auxmesh.color, auxmesh.points, auxmesh.normals, pvm);
}
glwidget->glDisable(GL_SCISSOR_TEST);
}
painter->endNativePainting();*/
}
}
// Draw the caption
if(caption.size())
{
painter->setPen(QPen(Qt::white,1));
auto textRect = rect;
textRect.setHeight(painter->fontMetrics().height() * 1.25);
textRect.moveBottom(rect.height() - textRect.height() * 0.5);
painter->drawText(textRect, caption, Qt::AlignVCenter | Qt::AlignHCenter);
}
postPaint(painter, widget);
}
void ExploreLiveView::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget * widget)
{
if(!isReady) return;
prePaint(painter);
postPaint(painter);
auto glwidget = (Viewer*)widget;
if (glwidget && meshes.size())
{
QRectF parentRect = parentItem()->sceneBoundingRect();
if (isCacheImage && cachedImage.isNull())
{
QOpenGLContext context;
context.setShareContext(glwidget->context());
context.setFormat(glwidget->format());
context.create();
QOffscreenSurface m_offscreenSurface;
m_offscreenSurface.setFormat(context.format());
m_offscreenSurface.create();
context.makeCurrent(&m_offscreenSurface);
QOpenGLFramebufferObjectFormat fboformat;
fboformat.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
QOpenGLFramebufferObject renderFbo(cacheImageSize*1.5, cacheImageSize, fboformat);
renderFbo.bind();
glwidget->glEnable(GL_DEPTH_TEST);
glwidget->glEnable(GL_BLEND);
glwidget->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glwidget->glCullFace(GL_BACK);
glwidget->glClearColor(0,0,0,0);
glwidget->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glwidget->glViewport(0, 0, cacheImageSize*1.5, cacheImageSize);
// XXX Fix
// glwidget->glPointSize(10);
// Draw aux meshes
for (auto mesh : meshes)
{
if (mesh.isPoints)
glwidget->drawOrientedPoints(mesh.points, mesh.normals, mesh.color, glwidget->pvm);
else
glwidget->drawTriangles(mesh.color, mesh.points, mesh.normals, glwidget->pvm);
}
glwidget->glDisable(GL_DEPTH_TEST);
glwidget->glFlush();
renderFbo.release();
cachedImage = renderFbo.toImage();
isReady = true;
// Thanks for sharing!
glwidget->makeCurrent();
}
// Draw as image
if(isCacheImage)
{
int w = shapeRect.width();
painter->drawImage(w * -0.5, w * -0.5, cachedImage.scaledToWidth(w));
}
if(!isCacheImage)
{
auto r = shapeRect;
// scale view
double s = 1.5;
r.setWidth(r.width() * s);
r.setHeight(r.height() * s);
r.moveCenter(this->mapToScene(boundingRect().center()));
painter->beginNativePainting();
auto v = scene()->views().first();
QPoint viewDelta = v->mapFromScene(r.topLeft());
if (viewDelta.manhattanLength() > 5) r.moveTopLeft(viewDelta);
auto camera = ExploreProcess::defaultCamera(document->extent().length());
glwidget->eyePos = camera.first;
glwidget->pvm = camera.second;
glwidget->glViewport(r.left(), v->height() - r.height() - r.top(), r.width(), r.height());
// Clipping OpenGL
glwidget->glEnable(GL_SCISSOR_TEST);
glwidget->glScissor(parentRect.x(), v->height() - parentRect.height() - parentRect.top(), parentRect.width(), parentRect.height());
glwidget->glClear(GL_DEPTH_BUFFER_BIT);
// FIX XXX
// glwidget->glPointSize(2);
// Draw aux meshes
for (auto mesh : meshes)
{
if (mesh.isPoints)
glwidget->drawOrientedPoints(mesh.points, mesh.normals, mesh.color, glwidget->pvm);
else
glwidget->drawTriangles(mesh.color, mesh.points, mesh.normals, glwidget->pvm);
}
glwidget->glDisable(GL_SCISSOR_TEST);
painter->endNativePainting();
}
}
}
QT_BEGIN_NAMESPACE
QOpenGLTextureHelper::QOpenGLTextureHelper(QOpenGLContext *context)
{
// Resolve EXT_direct_state_access entry points if present.
// However, disable it on some systems where DSA is known to be unreliable.
bool allowDSA = true;
const char *renderer = reinterpret_cast<const char *>(context->functions()->glGetString(GL_RENDERER));
// QTBUG-40653, QTBUG-44988
if (renderer && strstr(renderer, "AMD Radeon HD"))
allowDSA = false;
if (allowDSA && !context->isOpenGLES()
&& context->hasExtension(QByteArrayLiteral("GL_EXT_direct_state_access"))) {
TextureParameteriEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLenum , GLint )>(context->getProcAddress(QByteArrayLiteral("glTextureParameteriEXT")));
TextureParameterivEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLenum , const GLint *)>(context->getProcAddress(QByteArrayLiteral("glTextureParameterivEXT")));
TextureParameterfEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLenum , GLfloat )>(context->getProcAddress(QByteArrayLiteral("glTextureParameterfEXT")));
TextureParameterfvEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLenum , const GLfloat *)>(context->getProcAddress(QByteArrayLiteral("glTextureParameterfvEXT")));
GenerateTextureMipmapEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum )>(context->getProcAddress(QByteArrayLiteral("glGenerateTextureMipmapEXT")));
TextureStorage3DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLsizei , GLenum , GLsizei , GLsizei , GLsizei )>(context->getProcAddress(QByteArrayLiteral("glTextureStorage3DEXT")));
TextureStorage2DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLsizei , GLenum , GLsizei , GLsizei )>(context->getProcAddress(QByteArrayLiteral("glTextureStorage2DEXT")));
TextureStorage1DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLsizei , GLenum , GLsizei )>(context->getProcAddress(QByteArrayLiteral("glTextureStorage1DEXT")));
TextureStorage3DMultisampleEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLsizei , GLenum , GLsizei , GLsizei , GLsizei , GLboolean )>(context->getProcAddress(QByteArrayLiteral("glTextureStorage3DMultisampleEXT")));
TextureStorage2DMultisampleEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLsizei , GLenum , GLsizei , GLsizei , GLboolean )>(context->getProcAddress(QByteArrayLiteral("glTextureStorage2DMultisampleEXT")));
TextureImage3DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLenum , GLsizei , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTextureImage3DEXT")));
TextureImage2DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLenum , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTextureImage2DEXT")));
TextureImage1DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLenum , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTextureImage1DEXT")));
TextureSubImage3DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLint , GLint , GLint , GLsizei , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTextureSubImage3DEXT")));
TextureSubImage2DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTextureSubImage2DEXT")));
TextureSubImage1DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLint , GLsizei , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTextureSubImage1DEXT")));
CompressedTextureSubImage1DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLint , GLsizei , GLenum , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTextureSubImage1DEXT")));
CompressedTextureSubImage2DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTextureSubImage2DEXT")));
CompressedTextureSubImage3DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLint , GLint , GLint , GLsizei , GLsizei , GLsizei , GLenum , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTextureSubImage3DEXT")));
CompressedTextureImage1DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLenum , GLsizei , GLint , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTextureImage1DEXT")));
CompressedTextureImage2DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLenum , GLsizei , GLsizei , GLint , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTextureImage2DEXT")));
CompressedTextureImage3DEXT = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint , GLenum , GLsizei , GLsizei , GLsizei , GLint , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTextureImage3DEXT")));
// Use the real DSA functions
TextureParameteri = &QOpenGLTextureHelper::dsa_TextureParameteri;
TextureParameteriv = &QOpenGLTextureHelper::dsa_TextureParameteriv;
TextureParameterf = &QOpenGLTextureHelper::dsa_TextureParameterf;
TextureParameterfv = &QOpenGLTextureHelper::dsa_TextureParameterfv;
GenerateTextureMipmap = &QOpenGLTextureHelper::dsa_GenerateTextureMipmap;
TextureStorage3D = &QOpenGLTextureHelper::dsa_TextureStorage3D;
TextureStorage2D = &QOpenGLTextureHelper::dsa_TextureStorage2D;
TextureStorage1D = &QOpenGLTextureHelper::dsa_TextureStorage1D;
TextureStorage3DMultisample = &QOpenGLTextureHelper::dsa_TextureStorage3DMultisample;
TextureStorage2DMultisample = &QOpenGLTextureHelper::dsa_TextureStorage2DMultisample;
TextureImage3D = &QOpenGLTextureHelper::dsa_TextureImage3D;
TextureImage2D = &QOpenGLTextureHelper::dsa_TextureImage2D;
TextureImage1D = &QOpenGLTextureHelper::dsa_TextureImage1D;
TextureSubImage3D = &QOpenGLTextureHelper::dsa_TextureSubImage3D;
TextureSubImage2D = &QOpenGLTextureHelper::dsa_TextureSubImage2D;
TextureSubImage1D = &QOpenGLTextureHelper::dsa_TextureSubImage1D;
CompressedTextureSubImage1D = &QOpenGLTextureHelper::dsa_CompressedTextureSubImage1D;
CompressedTextureSubImage2D = &QOpenGLTextureHelper::dsa_CompressedTextureSubImage2D;
CompressedTextureSubImage3D = &QOpenGLTextureHelper::dsa_CompressedTextureSubImage3D;
CompressedTextureImage1D = &QOpenGLTextureHelper::dsa_CompressedTextureImage1D;
CompressedTextureImage2D = &QOpenGLTextureHelper::dsa_CompressedTextureImage2D;
CompressedTextureImage3D = &QOpenGLTextureHelper::dsa_CompressedTextureImage3D;
} else {
// Use our own DSA emulation
TextureParameteri = &QOpenGLTextureHelper::qt_TextureParameteri;
TextureParameteriv = &QOpenGLTextureHelper::qt_TextureParameteriv;
TextureParameterf = &QOpenGLTextureHelper::qt_TextureParameterf;
TextureParameterfv = &QOpenGLTextureHelper::qt_TextureParameterfv;
GenerateTextureMipmap = &QOpenGLTextureHelper::qt_GenerateTextureMipmap;
TextureStorage3D = &QOpenGLTextureHelper::qt_TextureStorage3D;
TextureStorage2D = &QOpenGLTextureHelper::qt_TextureStorage2D;
TextureStorage1D = &QOpenGLTextureHelper::qt_TextureStorage1D;
TextureStorage3DMultisample = &QOpenGLTextureHelper::qt_TextureStorage3DMultisample;
TextureStorage2DMultisample = &QOpenGLTextureHelper::qt_TextureStorage2DMultisample;
TextureImage3D = &QOpenGLTextureHelper::qt_TextureImage3D;
TextureImage2D = &QOpenGLTextureHelper::qt_TextureImage2D;
TextureImage1D = &QOpenGLTextureHelper::qt_TextureImage1D;
TextureSubImage3D = &QOpenGLTextureHelper::qt_TextureSubImage3D;
TextureSubImage2D = &QOpenGLTextureHelper::qt_TextureSubImage2D;
TextureSubImage1D = &QOpenGLTextureHelper::qt_TextureSubImage1D;
CompressedTextureSubImage1D = &QOpenGLTextureHelper::qt_CompressedTextureSubImage1D;
CompressedTextureSubImage2D = &QOpenGLTextureHelper::qt_CompressedTextureSubImage2D;
CompressedTextureSubImage3D = &QOpenGLTextureHelper::qt_CompressedTextureSubImage3D;
CompressedTextureImage1D = &QOpenGLTextureHelper::qt_CompressedTextureImage1D;
CompressedTextureImage2D = &QOpenGLTextureHelper::qt_CompressedTextureImage2D;
CompressedTextureImage3D = &QOpenGLTextureHelper::qt_CompressedTextureImage3D;
}
// Some DSA functions are part of NV_texture_multisample instead
if (!context->isOpenGLES()
&& context->hasExtension(QByteArrayLiteral("GL_NV_texture_multisample"))) {
TextureImage3DMultisampleNV = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLsizei , GLint , GLsizei , GLsizei , GLsizei , GLboolean )>(context->getProcAddress(QByteArrayLiteral("glTextureImage3DMultisampleNV")));
TextureImage2DMultisampleNV = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLsizei , GLint , GLsizei , GLsizei , GLboolean )>(context->getProcAddress(QByteArrayLiteral("glTextureImage2DMultisampleNV")));
TextureImage3DMultisample = &QOpenGLTextureHelper::dsa_TextureImage3DMultisample;
TextureImage2DMultisample = &QOpenGLTextureHelper::dsa_TextureImage2DMultisample;
} else {
TextureImage3DMultisample = &QOpenGLTextureHelper::qt_TextureImage3DMultisample;
TextureImage2DMultisample = &QOpenGLTextureHelper::qt_TextureImage2DMultisample;
}
// wglGetProcAddress should not be used to (and indeed will not) load OpenGL <= 1.1 functions.
// Hence, we resolve them "the hard way"
#if defined(Q_OS_WIN) && !defined(QT_OPENGL_ES_2)
HMODULE handle = static_cast<HMODULE>(QOpenGLContext::openGLModuleHandle());
if (!handle)
handle = GetModuleHandleA("opengl32.dll");
// OpenGL 1.0
GetIntegerv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint *)>(GetProcAddress(handle, QByteArrayLiteral("glGetIntegerv")));
GetBooleanv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLboolean *)>(GetProcAddress(handle, QByteArrayLiteral("glGetBooleanv")));
PixelStorei = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint )>(GetProcAddress(handle, QByteArrayLiteral("glPixelStorei")));
GetTexLevelParameteriv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLint *)>(GetProcAddress(handle, QByteArrayLiteral("glGetTexLevelParameteriv")));
GetTexLevelParameterfv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLfloat *)>(GetProcAddress(handle, QByteArrayLiteral("glGetTexLevelParameterfv")));
GetTexParameteriv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLint *)>(GetProcAddress(handle, QByteArrayLiteral("glGetTexParameteriv")));
GetTexParameterfv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLfloat *)>(GetProcAddress(handle, QByteArrayLiteral("glGetTexParameterfv")));
GetTexImage = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLenum , GLvoid *)>(GetProcAddress(handle, QByteArrayLiteral("glGetTexImage")));
TexImage2D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(GetProcAddress(handle, QByteArrayLiteral("glTexImage2D")));
TexImage1D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(GetProcAddress(handle, QByteArrayLiteral("glTexImage1D")));
TexParameteriv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , const GLint *)>(GetProcAddress(handle, QByteArrayLiteral("glTexParameteriv")));
TexParameteri = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLint )>(GetProcAddress(handle, QByteArrayLiteral("glTexParameteri")));
TexParameterfv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , const GLfloat *)>(GetProcAddress(handle, QByteArrayLiteral("glTexParameterfv")));
TexParameterf = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLfloat )>(GetProcAddress(handle, QByteArrayLiteral("glTexParameterf")));
// OpenGL 1.1
GenTextures = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(GetProcAddress(handle, QByteArrayLiteral("glGenTextures")));
DeleteTextures = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(GetProcAddress(handle, QByteArrayLiteral("glDeleteTextures")));
BindTexture = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLuint )>(GetProcAddress(handle, QByteArrayLiteral("glBindTexture")));
TexSubImage2D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *)>(GetProcAddress(handle, QByteArrayLiteral("glTexSubImage2D")));
TexSubImage1D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLenum , GLenum , const GLvoid *)>(GetProcAddress(handle, QByteArrayLiteral("glTexSubImage1D")));
#elif defined(QT_OPENGL_ES_2)
// Here we are targeting OpenGL ES 2.0+ only. This is likely using EGL, where,
// similarly to WGL, non-extension functions (i.e. any function that is part of the
// GLES spec) *may* not be queried via eglGetProcAddress.
// OpenGL 1.0
GetIntegerv = ::glGetIntegerv;
GetBooleanv = ::glGetBooleanv;
PixelStorei = ::glPixelStorei;
GetTexLevelParameteriv = 0;
GetTexLevelParameterfv = 0;
GetTexParameteriv = ::glGetTexParameteriv;
GetTexParameterfv = ::glGetTexParameterfv;
GetTexImage = 0;
TexImage2D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(::glTexImage2D);
TexImage1D = 0;
TexParameteriv = ::glTexParameteriv;
TexParameteri = ::glTexParameteri;
TexParameterfv = ::glTexParameterfv;
TexParameterf = ::glTexParameterf;
// OpenGL 1.1
GenTextures = ::glGenTextures;
DeleteTextures = ::glDeleteTextures;
BindTexture = ::glBindTexture;
TexSubImage2D = ::glTexSubImage2D;
TexSubImage1D = 0;
// OpenGL 1.3
GetCompressedTexImage = 0;
CompressedTexSubImage1D = 0;
CompressedTexSubImage2D = ::glCompressedTexSubImage2D;
CompressedTexImage1D = 0;
CompressedTexImage2D = ::glCompressedTexImage2D;
ActiveTexture = ::glActiveTexture;
// OpenGL 3.0
GenerateMipmap = ::glGenerateMipmap;
// OpenGL 3.2
TexImage3DMultisample = 0;
TexImage2DMultisample = 0;
// OpenGL 4.2
QOpenGLContext *ctx = QOpenGLContext::currentContext();
if (ctx->format().majorVersion() >= 3) {
// OpenGL ES 3.0+ has immutable storage for 2D and 3D at least.
QOpenGLES3Helper *es3 = static_cast<QOpenGLExtensions *>(ctx->functions())->gles3Helper();
TexStorage3D = es3->TexStorage3D;
TexStorage2D = es3->TexStorage2D;
} else {
TexStorage3D = 0;
TexStorage2D = 0;
}
TexStorage1D = 0;
// OpenGL 4.3
TexStorage3DMultisample = 0;
TexStorage2DMultisample = 0;
TexBufferRange = 0;
TextureView = 0;
#else
// OpenGL 1.0
GetIntegerv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint *)>(context->getProcAddress(QByteArrayLiteral("glGetIntegerv")));
GetBooleanv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLboolean *)>(context->getProcAddress(QByteArrayLiteral("glGetBooleanv")));
PixelStorei = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint )>(context->getProcAddress(QByteArrayLiteral("glPixelStorei")));
GetTexLevelParameteriv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLint *)>(context->getProcAddress(QByteArrayLiteral("glGetTexLevelParameteriv")));
GetTexLevelParameterfv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLfloat *)>(context->getProcAddress(QByteArrayLiteral("glGetTexLevelParameterfv")));
GetTexParameteriv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLint *)>(context->getProcAddress(QByteArrayLiteral("glGetTexParameteriv")));
GetTexParameterfv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLfloat *)>(context->getProcAddress(QByteArrayLiteral("glGetTexParameterfv")));
GetTexImage = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLenum , GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glGetTexImage")));
TexImage2D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTexImage2D")));
TexImage1D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTexImage1D")));
TexParameteriv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , const GLint *)>(context->getProcAddress(QByteArrayLiteral("glTexParameteriv")));
TexParameteri = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLint )>(context->getProcAddress(QByteArrayLiteral("glTexParameteri")));
TexParameterfv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , const GLfloat *)>(context->getProcAddress(QByteArrayLiteral("glTexParameterfv")));
TexParameterf = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLfloat )>(context->getProcAddress(QByteArrayLiteral("glTexParameterf")));
// OpenGL 1.1
GenTextures = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(context->getProcAddress(QByteArrayLiteral("glGenTextures")));
DeleteTextures = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(context->getProcAddress(QByteArrayLiteral("glDeleteTextures")));
BindTexture = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLuint )>(context->getProcAddress(QByteArrayLiteral("glBindTexture")));
TexSubImage2D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTexSubImage2D")));
TexSubImage1D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTexSubImage1D")));
#endif
if (context->isOpenGLES() && context->hasExtension(QByteArrayLiteral("GL_OES_texture_3D"))) {
TexImage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum, GLint, GLint, GLsizei, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid*)>(context->getProcAddress(QByteArrayLiteral("glTexImage3DOES")));
TexSubImage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum, GLint, GLint, GLint, GLint, GLsizei, GLsizei, GLsizei, GLenum, GLenum, const GLvoid*)>(context->getProcAddress(QByteArrayLiteral("glTexSubImage3DOES")));
CompressedTexImage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum, GLint, GLenum, GLsizei, GLsizei, GLsizei, GLint, GLsizei, const GLvoid*)>(context->getProcAddress(QByteArrayLiteral("glCompressedTexImage3DOES")));
CompressedTexSubImage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum, GLint, GLint, GLint, GLint, GLsizei, GLsizei, GLsizei, GLenum, GLsizei, const GLvoid*)>(context->getProcAddress(QByteArrayLiteral("glCompressedTexSubImage3DOES")));
} else {
QOpenGLContext *ctx = QOpenGLContext::currentContext();
if (ctx->isOpenGLES() && ctx->format().majorVersion() >= 3) {
// OpenGL ES 3.0+ has glTexImage3D.
QOpenGLES3Helper *es3 = static_cast<QOpenGLExtensions *>(ctx->functions())->gles3Helper();
TexImage3D = es3->TexImage3D;
TexSubImage3D = es3->TexSubImage3D;
CompressedTexImage3D = es3->CompressedTexImage3D;
CompressedTexSubImage3D = es3->CompressedTexSubImage3D;
} else {
// OpenGL 1.2
TexImage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLsizei , GLsizei , GLint , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTexImage3D")));
TexSubImage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLint , GLint , GLsizei , GLsizei , GLsizei , GLenum , GLenum , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glTexSubImage3D")));
// OpenGL 1.3
CompressedTexImage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLsizei , GLsizei , GLsizei , GLint , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTexImage3D")));
CompressedTexSubImage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLint , GLint , GLsizei , GLsizei , GLsizei , GLenum , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTexSubImage3D")));
}
}
#ifndef QT_OPENGL_ES_2
// OpenGL 1.3
GetCompressedTexImage = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glGetCompressedTexImage")));
CompressedTexSubImage1D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLsizei , GLenum , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTexSubImage1D")));
CompressedTexSubImage2D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLint , GLint , GLsizei , GLsizei , GLenum , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTexSubImage2D")));
CompressedTexImage1D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLsizei , GLint , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTexImage1D")));
CompressedTexImage2D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint , GLenum , GLsizei , GLsizei , GLint , GLsizei , const GLvoid *)>(context->getProcAddress(QByteArrayLiteral("glCompressedTexImage2D")));
ActiveTexture = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum )>(context->getProcAddress(QByteArrayLiteral("glActiveTexture")));
// OpenGL 3.0
GenerateMipmap = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum )>(context->getProcAddress(QByteArrayLiteral("glGenerateMipmap")));
// OpenGL 3.2
TexImage3DMultisample = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLsizei , GLint , GLsizei , GLsizei , GLsizei , GLboolean )>(context->getProcAddress(QByteArrayLiteral("glTexImage3DMultisample")));
TexImage2DMultisample = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLsizei , GLint , GLsizei , GLsizei , GLboolean )>(context->getProcAddress(QByteArrayLiteral("glTexImage2DMultisample")));
// OpenGL 4.2
TexStorage3D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLsizei , GLenum , GLsizei , GLsizei , GLsizei )>(context->getProcAddress(QByteArrayLiteral("glTexStorage3D")));
TexStorage2D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLsizei , GLenum , GLsizei , GLsizei )>(context->getProcAddress(QByteArrayLiteral("glTexStorage2D")));
TexStorage1D = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLsizei , GLenum , GLsizei )>(context->getProcAddress(QByteArrayLiteral("glTexStorage1D")));
// OpenGL 4.3
TexStorage3DMultisample = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLsizei , GLenum , GLsizei , GLsizei , GLsizei , GLboolean )>(context->getProcAddress(QByteArrayLiteral("glTexStorage3DMultisample")));
TexStorage2DMultisample = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLsizei , GLenum , GLsizei , GLsizei , GLboolean )>(context->getProcAddress(QByteArrayLiteral("glTexStorage2DMultisample")));
TexBufferRange = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLuint , GLintptr , GLsizeiptr )>(context->getProcAddress(QByteArrayLiteral("glTexBufferRange")));
TextureView = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint , GLenum , GLuint , GLuint , GLuint , GLuint )>(context->getProcAddress(QByteArrayLiteral("glTextureView")));
#endif
}
