Viewport::~Viewport() {
for (ListenerList::iterator i = mListeners.begin(); i != mListeners.end(); ++i) {
(*i)->viewportDestroyed(this);
}
RenderSystem* rs = Root::get().getRenderSystem();
if (rs && (rs->getViewport() == this)) {
rs->setViewport(NULL);
}
}
void Viewport::clear(u32 buffers/* = FBT_COLOUR | FBT_DEPTH*/, const Color& color/* = Color::Black*/, f32 depth/* = 1.f*/, u16 stencil/* = 0*/) {
RenderSystem* rs = Root::get().getRenderSystem();
if (rs) {
Viewport* currentvp = rs->getViewport();
if (currentvp && currentvp == this) {
rs->clearFrameBuffer(buffers, color, depth, stencil);
} else if (currentvp) {
rs->setViewport(this);
rs->clearFrameBuffer(buffers, color, depth, stencil);
rs->setViewport(currentvp);
}
}
}
void Viewport::clear(uint32_t buffers /* = FBT_COLOUR | FBT_DEPTH */, const ColourValue& colour /* = ColourValue::Black */, float depth /* = 1.0f */, uint16_t stencil /* = 0 */)
{
RenderSystem* rs = Engine::getSingleton().getRenderSystem();
if (rs)
{
Viewport* currentvp = rs->getViewport();
if (currentvp && currentvp == this)
{
rs->clearFrameBuffer(buffers, colour, depth, stencil);
}
else
{
rs->setViewport(this);
rs->clearFrameBuffer(buffers, colour, depth, stencil);
rs->setViewport(currentvp);
}
}
}