Play-/Source/ui_qt/GSH_OpenGLQt.cpp
2021-01-07 21:47:32 +00:00

73 lines
1.7 KiB
C++

#if !defined(GLES_COMPATIBILITY)
#include "GSH_OpenGLQt.h"
#endif
#include <QSurface>
#include <QWindow>
#include <QOpenGLContext>
#if defined(GLES_COMPATIBILITY)
#include "GSH_OpenGLQt.h"
#endif
#ifdef __APPLE__
#include <CoreFoundation/CoreFoundation.h>
#endif
CGSH_OpenGLQt::CGSH_OpenGLQt(QSurface* renderSurface)
: m_renderSurface(renderSurface)
{
}
CGSH_OpenGL::FactoryFunction CGSH_OpenGLQt::GetFactoryFunction(QSurface* renderSurface)
{
return [renderSurface]() { return new CGSH_OpenGLQt(renderSurface); };
}
void CGSH_OpenGLQt::InitializeImpl()
{
#ifdef __APPLE__
//When building against macOS SDK 10.15+ and running on macOS 10.15+, the system will trigger an assert because we
//are not using NSOpenGLContext on the main thread. Disable this assert since it doesn't cause any problem if we do.
CFPreferencesSetAppValue(CFSTR("NSOpenGLContextSuppressThreadAssertions"), kCFBooleanTrue, kCFPreferencesCurrentApplication);
#endif
m_context = new QOpenGLContext();
m_context->setFormat(m_renderSurface->format());
bool succeeded = m_context->create();
Q_ASSERT(succeeded);
succeeded = m_context->makeCurrent(m_renderSurface);
Q_ASSERT(succeeded);
#ifdef USE_GLEW
glewExperimental = GL_TRUE;
auto result = glewInit();
Q_ASSERT(result == GLEW_OK);
#endif
CGSH_OpenGL::InitializeImpl();
}
void CGSH_OpenGLQt::ReleaseImpl()
{
CGSH_OpenGL::ReleaseImpl();
delete m_context;
}
void CGSH_OpenGLQt::PresentBackbuffer()
{
bool swapBuffer = true;
if(m_renderSurface->surfaceClass() == QSurface::Window)
{
swapBuffer = static_cast<QWindow*>(m_renderSurface)->isExposed();
}
if(swapBuffer)
{
m_context->swapBuffers(m_renderSurface);
m_context->makeCurrent(m_renderSurface);
}
}