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Issue #46: Program does not launch/freezes on Windows 10/Windows Server 2022 (x64)

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Jakub Melka
2023-04-22 13:17:42 +02:00
parent 66c6e23346
commit 6224f226b2
8 changed files with 148 additions and 6 deletions
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81
Pdf4QtLib/sources/pdfrenderer.cpp
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@ -29,6 +29,7 @@
#include <QOffscreenSurface>
#include <QOpenGLPaintDevice>
#include <QOpenGLFramebufferObject>
#include <QOpenGLFunctions>
namespace pdf
{
@ -204,6 +205,12 @@ PDFRasterizer::~PDFRasterizer()
void PDFRasterizer::reset(bool useOpenGL, const QSurfaceFormat& surfaceFormat)
{
if (!PDFRendererInfo::isHardwareAccelerationSupported())
{
m_features.setFlag(FailedOpenGL, true);
m_features.setFlag(ValidOpenGL, false);
}
if (useOpenGL != m_features.testFlag(UseOpenGL) || surfaceFormat != m_surfaceFormat)
{
// In either case, we must reset OpenGL
@ -927,4 +934,78 @@ PDFRasterizerPool::PDFRasterizerPool(const PDFDocument* document,
}
}
PDFCachedItem<PDFRendererInfo::Info> PDFRendererInfo::s_info;
const PDFRendererInfo::Info& PDFRendererInfo::getHardwareAccelerationSupportedInfo()
{
auto getInfo = []()
{
Info info;
QOffscreenSurface surface;
surface.create();
if (!surface.isValid())
{
info.renderer = PDFTranslationContext::tr("Unknown Device");
info.version = PDFTranslationContext::tr("?.?");
info.vendor = PDFTranslationContext::tr("Generic");
return info;
}
QOpenGLContext context;
if (!context.create())
{
info.renderer = PDFTranslationContext::tr("Unknown Device");
info.version = PDFTranslationContext::tr("?.?");
info.vendor = PDFTranslationContext::tr("Generic");
surface.destroy();
return info;
}
if (!context.makeCurrent(&surface))
{
info.renderer = PDFTranslationContext::tr("Unknown Device");
info.version = PDFTranslationContext::tr("?.?");
info.vendor = PDFTranslationContext::tr("Generic");
surface.destroy();
return info;
}
const char* versionStr = reinterpret_cast<const char*>(context.functions()->glGetString(GL_VERSION));
const char* vendorStr = reinterpret_cast<const char*>(context.functions()->glGetString(GL_VENDOR));
const char* rendererStr = reinterpret_cast<const char*>(context.functions()->glGetString(GL_RENDERER));
QString versionString = QString::fromLocal8Bit(versionStr, std::strlen(versionStr));
QString vendorString = QString::fromLocal8Bit(vendorStr, std::strlen(vendorStr));
QString rendererString = QString::fromLocal8Bit(rendererStr, std::strlen(rendererStr));
context.doneCurrent();
surface.destroy();
info.vendor = vendorString;
info.renderer = rendererString;
info.version = versionString;
QStringList versionStrSplitted = versionString.split('.', Qt::KeepEmptyParts);
if (versionStrSplitted.size() >= 2)
{
info.majorOpenGLVersion = versionStrSplitted[0].toInt();
info.minorOpenGLVersion = versionStrSplitted[1].toInt();
}
return info;
};
return s_info.get(getInfo);
}
bool PDFRendererInfo::isHardwareAccelerationSupported()
{
const Info& info = getHardwareAccelerationSupportedInfo();
return std::make_pair(info.majorOpenGLVersion, info.minorOpenGLVersion) >= std::make_pair(REQUIRED_OPENGL_MAJOR_VERSION, REQUIRED_OPENGL_MINOR_VERSION);
}
} // namespace pdf