Method doRender

Source/Basic/Director.cpp:328–464

}

void Director::doRender() {
	if (_paused || _stoped) return;

	/* push default view projection */
	const auto& defaultViewProj = getCurrentViewProjection();

	/* push default view projection */
	pushViewProjection(defaultViewProj, [&]() {
		/* do render */
		if (SharedView.isPostProcessNeeded()) {
			/* initialize RT */
			if (_root) {
				auto grabber = _root->grab(1, 1);
				grabber->setBlendFunc({BlendFunc::One, BlendFunc::Zero});
				grabber->setEffect(SharedView.getPostEffect());
				grabber->setCamera(getCurrentCamera());
				grabber->setClearColor(_clearColor);
				Size viewSize = SharedView.getSize();
				float w = viewSize.width / 2.0f;
				float h = viewSize.height / 2.0f;
				grabber->setPos(0, 0, {-w, h});
				grabber->setPos(1, 0, {w, h});
				grabber->setPos(0, 1, {-w, -h});
				grabber->setPos(1, 1, {w, -h});
			}

			/* render RT, post node and ui node */
			SharedView.pushBack("Main"_slice, [&]() {
				bgfx::ViewId viewId = SharedView.getId();
				/* RT */
				if (_root) {
					bgfx::setViewClear(viewId, BGFX_CLEAR_DEPTH | BGFX_CLEAR_STENCIL);
					Size viewSize = SharedView.getSize();
					Matrix ortho;
					bx::mtxOrtho(ortho.m,
						0, viewSize.width, 0, viewSize.height,
						-1000.0f, 1000.0f, 0,
						bgfx::getCaps()->homogeneousDepth);
					pushViewProjection(ortho, [&]() {
						bgfx::setViewTransform(viewId, nullptr, getViewProjection().m);
						_root->visit();
						SharedRendererManager.flush();
					});
				} else {
					bgfx::setViewClear(viewId,
						BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH | BGFX_CLEAR_STENCIL,
						_clearColor.toRGBA());
				}
				/* post node */
				if (_postNode) {
					bgfx::setViewTransform(viewId, nullptr, getViewProjection().m);
					_postNode->visit();
					SharedRendererManager.flush();
				}
				/* ui 3D node */
				if (_ui3D) {
					pushViewProjection(_ui3DCamera->getView(), [&]() {
						bgfx::setViewTransform(viewId, nullptr, getViewProjection().m);