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Merge pull request #13308 from jherico/fix/13677

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Fix for black text rendering white in web elements
This commit is contained in:
Sam Gateau 2018-06-11 16:17:31 -07:00 committed by GitHub
commit f769b63c3d
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1 changed files with 54 additions and 38 deletions
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92
interface/src/Application.cpp
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@ -2607,10 +2607,55 @@ void Application::initializeGL() {
_isGLInitialized = true;
}
_glWidget->makeCurrent();
glClearColor(0.2f, 0.2f, 0.2f, 1);
glClear(GL_COLOR_BUFFER_BIT);
_glWidget->swapBuffers();
if (!_glWidget->makeCurrent()) {
qCWarning(interfaceapp, "Unable to make window context current");
}
#if !defined(DISABLE_QML)
// Build a shared canvas / context for the Chromium processes
{
// Disable signed distance field font rendering on ATI/AMD GPUs, due to
// https://highfidelity.manuscript.com/f/cases/13677/Text-showing-up-white-on-Marketplace-app
std::string vendor{ (const char*)glGetString(GL_VENDOR) };
if ((vendor.find("AMD") != std::string::npos) || (vendor.find("ATI") != std::string::npos)) {
qputenv("QTWEBENGINE_CHROMIUM_FLAGS", QByteArray("--disable-distance-field-text"));
}
// Chromium rendering uses some GL functions that prevent nSight from capturing
// frames, so we only create the shared context if nsight is NOT active.
if (!nsightActive()) {
_chromiumShareContext = new OffscreenGLCanvas();
_chromiumShareContext->setObjectName("ChromiumShareContext");
_chromiumShareContext->create(_glWidget->qglContext());
if (!_chromiumShareContext->makeCurrent()) {
qCWarning(interfaceapp, "Unable to make chromium shared context current");
}
qt_gl_set_global_share_context(_chromiumShareContext->getContext());
_chromiumShareContext->doneCurrent();
// Restore the GL widget context
if (!_glWidget->makeCurrent()) {
qCWarning(interfaceapp, "Unable to make window context current");
}
} else {
qCWarning(interfaceapp) << "nSight detected, disabling chrome rendering";
}
}
#endif
// Build a shared canvas / context for the QML rendering
{
_qmlShareContext = new OffscreenGLCanvas();
_qmlShareContext->setObjectName("QmlShareContext");
_qmlShareContext->create(_glWidget->qglContext());
if (!_qmlShareContext->makeCurrent()) {
qCWarning(interfaceapp, "Unable to make QML shared context current");
}
OffscreenQmlSurface::setSharedContext(_qmlShareContext->getContext());
_qmlShareContext->doneCurrent();
if (!_glWidget->makeCurrent()) {
qCWarning(interfaceapp, "Unable to make window context current");
}
}
// Build an offscreen GL context for the main thread.
_offscreenContext = new OffscreenGLCanvas();
@ -2622,6 +2667,11 @@ void Application::initializeGL() {
_offscreenContext->doneCurrent();
_offscreenContext->setThreadContext();
_glWidget->makeCurrent();
glClearColor(0.2f, 0.2f, 0.2f, 1);
glClear(GL_COLOR_BUFFER_BIT);
_glWidget->swapBuffers();
// Move the GL widget context to the render event handler thread
_renderEventHandler = new RenderEventHandler(_glWidget->qglContext());
if (!_offscreenContext->makeCurrent()) {
@ -2744,40 +2794,6 @@ extern void setupPreferences();
static void addDisplayPluginToMenu(const DisplayPluginPointer& displayPlugin, int index, bool active = false);
void Application::initializeUi() {
// Build a shared canvas / context for the Chromium processes
#if !defined(DISABLE_QML)
// Chromium rendering uses some GL functions that prevent nSight from capturing
// frames, so we only create the shared context if nsight is NOT active.
if (!nsightActive()) {
_chromiumShareContext = new OffscreenGLCanvas();
_chromiumShareContext->setObjectName("ChromiumShareContext");
_chromiumShareContext->create(_offscreenContext->getContext());
if (!_chromiumShareContext->makeCurrent()) {
qCWarning(interfaceapp, "Unable to make chromium shared context current");
}
qt_gl_set_global_share_context(_chromiumShareContext->getContext());
_chromiumShareContext->doneCurrent();
// Restore the GL widget context
_offscreenContext->makeCurrent();
} else {
qCWarning(interfaceapp) << "nSIGHT detected, disabling chrome rendering";
}
#endif
// Build a shared canvas / context for the QML rendering
_qmlShareContext = new OffscreenGLCanvas();
_qmlShareContext->setObjectName("QmlShareContext");
_qmlShareContext->create(_offscreenContext->getContext());
if (!_qmlShareContext->makeCurrent()) {
qCWarning(interfaceapp, "Unable to make QML shared context current");
}
OffscreenQmlSurface::setSharedContext(_qmlShareContext->getContext());
_qmlShareContext->doneCurrent();
// Restore the GL widget context
_offscreenContext->makeCurrent();
// Make sure all QML surfaces share the main thread GL context
OffscreenQmlSurface::setSharedContext(_offscreenContext->getContext());
AddressBarDialog::registerType();
ErrorDialog::registerType();
LoginDialog::registerType();