Method render

Source/Node/VGNode.cpp:54–83

}

void VGNode::render(const std::function<void()>& func) {
	AssertIf(_flags.isOn(Node::Cleanup), "can not operate on an invalid VGNode");
	VGTexture* texture = s_cast<VGTexture*>(_surface->getTexture());
	NVGLUframebuffer* framebuffer = texture->getFramebuffer();
	NVGcontext* context = texture->getContext();
	SharedView.pushFront("VGNode"_slice, [&]() {
		bgfx::ViewId viewId = SharedView.getId();
		bgfx::setViewClear(viewId,
			BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH | BGFX_CLEAR_STENCIL,
			0x0);
		nvgluSetViewFramebuffer(viewId, framebuffer);
		bgfx::setViewRect(viewId, 0, 0, texture->getWidth(), texture->getHeight());
		nvgluBindFramebuffer(framebuffer);
		nvgBeginFrame(context, _frameWidth, _frameHeight, _frameScale);
		nvg::BindContext(context);
		switch (bgfx::getCaps()->rendererType) {
			case bgfx::RendererType::OpenGL:
			case bgfx::RendererType::OpenGLES:
				nvgScale(context, 1.0f, -1.0f);
				nvgTranslate(context, 0.0f, -_frameHeight);
				break;
			default:
				break;
		}
		func();
		nvg::BindContext(nullptr);
		nvgEndFrame(context);
		nvgluBindFramebuffer(nullptr);
	});
}

NS_DORA_END