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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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30
Pdf4QtLib/sources/pdfrenderer.h
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@ -22,6 +22,7 @@
#include "pdfexception.h"
#include "pdfoperationcontrol.h"
#include "pdfmeshqualitysettings.h"
#include "pdfutils.h"
#include <QMutex>
#include <QSemaphore>
@ -44,6 +45,30 @@ class PDFPrecompiledPage;
class PDFAnnotationManager;
class PDFOptionalContentActivity;
class PDF4QTLIBSHARED_EXPORT PDFRendererInfo
{
public:
PDFRendererInfo() = delete;
struct Info
{
QString vendor;
QString renderer;
QString version;
int majorOpenGLVersion = 0;
int minorOpenGLVersion = 0;
};
static const Info& getHardwareAccelerationSupportedInfo();
static bool isHardwareAccelerationSupported();
static constexpr int REQUIRED_OPENGL_MAJOR_VERSION = 3;
static constexpr int REQUIRED_OPENGL_MINOR_VERSION = 2;
private:
static PDFCachedItem<Info> s_info;
};
/// Renders the PDF page on the painter, or onto an image.
class PDF4QTLIBSHARED_EXPORT PDFRenderer
{
@ -144,8 +169,9 @@ public:
/// Resets the renderer. This function must be called from main GUI thread,
/// it cannot be called from deferred threads, because it can create hidden
/// window (offscreen surface).
/// \param useOpenGL Use OpenGL for rendering
/// window (offscreen surface). If hardware renderer is required, and
/// none is available, then software renderer is used.
/// \param useOpenGL Use OpenGL for rendering (ignored if not available)
/// \param surfaceFormat Surface format to render
void reset(bool useOpenGL, const QSurfaceFormat& surfaceFormat);