Files
MapLibreParticleLab/platform/qt/test/headless_backend_qt.cpp
2016-10-25 13:52:36 -07:00

47 lines
1.1 KiB
C++

#include <mbgl/platform/default/headless_backend.hpp>
#include <mbgl/platform/default/headless_display.hpp>
#include <QApplication>
#include <QGLContext>
#include <QGLWidget>
#if QT_VERSION >= 0x050000
#include <QOpenGLContext>
#endif
namespace mbgl {
gl::glProc HeadlessBackend::initializeExtension(const char* name) {
#if QT_VERSION >= 0x050000
QOpenGLContext* thisContext = QOpenGLContext::currentContext();
return thisContext->getProcAddress(name);
#else
const QGLContext* thisContext = QGLContext::currentContext();
return reinterpret_cast<mbgl::gl::glProc>(thisContext->getProcAddress(name));
#endif
}
void HeadlessBackend::createContext() {
static const char* argv[] = { "mbgl" };
static int argc = 1;
static auto* app = new QApplication(argc, const_cast<char**>(argv));
Q_UNUSED(app);
glContext = new QGLWidget;
}
void HeadlessBackend::destroyContext() {
delete glContext;
}
void HeadlessBackend::activateContext() {
glContext->makeCurrent();
}
void HeadlessBackend::deactivateContext() {
glContext->doneCurrent();
}
} // namespace mbgl