const QGLFormat& getDefaultGLFormat() {
// Specify an OpenGL 3.3 format using the Core profile.
// That is, no old-school fixed pipeline functionality
static QGLFormat glFormat;
static std::once_flag once;
std::call_once(once, [] {
setGLFormatVersion(glFormat);
glFormat.setProfile(QGLFormat::CoreProfile); // Requires >=Qt-4.8.0
glFormat.setSampleBuffers(false);
glFormat.setDepth(false);
glFormat.setStencil(false);
QGLFormat::setDefaultFormat(glFormat);
});
return glFormat;
}
QTestWindow() {
setSurfaceType(QSurface::OpenGLSurface);
QSurfaceFormat format;
// Qt Quick may need a depth and stencil buffer. Always make sure these are available.
format.setDepthBufferSize(16);
format.setStencilBufferSize(8);
setGLFormatVersion(format);
format.setProfile(QSurfaceFormat::OpenGLContextProfile::CoreProfile);
format.setOption(QSurfaceFormat::DebugContext);
setFormat(format);
_context.setFormat(format);
_context.create();
show();
makeCurrent();
gpu::Context::init<gpu::gl::GLBackend>();
qDebug() << (const char*)glGetString(GL_VERSION);
//_textRenderer[0] = TextRenderer::getInstance(SANS_FONT_FAMILY, 12, false);
//_textRenderer[1] = TextRenderer::getInstance(SERIF_FONT_FAMILY, 12, false,
// TextRenderer::SHADOW_EFFECT);
//_textRenderer[2] = TextRenderer::getInstance(MONO_FONT_FAMILY, 48, -1,
// false, TextRenderer::OUTLINE_EFFECT);
//_textRenderer[3] = TextRenderer::getInstance(INCONSOLATA_FONT_FAMILY, 24);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClearColor(0.2f, 0.2f, 0.2f, 1);
glDisable(GL_DEPTH_TEST);
makeCurrent();
resize(QSize(800, 600));
}